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));
227 extern void ConsoleCreate();
230 ChessProgramState *WhitePlayer();
231 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
232 int VerifyDisplayMode P(());
234 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
235 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
236 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
237 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
238 void ics_update_width P((int new_width));
239 extern char installDir[MSG_SIZ];
240 VariantClass startVariant; /* [HGM] nicks: initial variant */
243 extern int tinyLayout, smallLayout;
244 ChessProgramStats programStats;
245 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
247 static int exiting = 0; /* [HGM] moved to top */
248 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
249 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
250 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
251 int partnerHighlight[2];
252 Boolean partnerBoardValid = 0;
253 char partnerStatus[MSG_SIZ];
255 Boolean originalFlip;
256 Boolean twoBoards = 0;
257 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
258 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
259 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
260 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
261 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
262 int opponentKibitzes;
263 int lastSavedGame; /* [HGM] save: ID of game */
264 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
265 extern int chatCount;
267 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
268 char lastMsg[MSG_SIZ];
269 ChessSquare pieceSweep = EmptySquare;
270 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
271 int promoDefaultAltered;
273 /* States for ics_getting_history */
275 #define H_REQUESTED 1
276 #define H_GOT_REQ_HEADER 2
277 #define H_GOT_UNREQ_HEADER 3
278 #define H_GETTING_MOVES 4
279 #define H_GOT_UNWANTED_HEADER 5
281 /* whosays values for GameEnds */
290 /* Maximum number of games in a cmail message */
291 #define CMAIL_MAX_GAMES 20
293 /* Different types of move when calling RegisterMove */
295 #define CMAIL_RESIGN 1
297 #define CMAIL_ACCEPT 3
299 /* Different types of result to remember for each game */
300 #define CMAIL_NOT_RESULT 0
301 #define CMAIL_OLD_RESULT 1
302 #define CMAIL_NEW_RESULT 2
304 /* Telnet protocol constants */
315 safeStrCpy (char *dst, const char *src, size_t count)
318 assert( dst != NULL );
319 assert( src != NULL );
322 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
323 if( i == count && dst[count-1] != NULLCHAR)
325 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
326 if(appData.debugMode)
327 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
333 /* Some compiler can't cast u64 to double
334 * This function do the job for us:
336 * We use the highest bit for cast, this only
337 * works if the highest bit is not
338 * in use (This should not happen)
340 * We used this for all compiler
343 u64ToDouble (u64 value)
346 u64 tmp = value & u64Const(0x7fffffffffffffff);
347 r = (double)(s64)tmp;
348 if (value & u64Const(0x8000000000000000))
349 r += 9.2233720368547758080e18; /* 2^63 */
353 /* Fake up flags for now, as we aren't keeping track of castling
354 availability yet. [HGM] Change of logic: the flag now only
355 indicates the type of castlings allowed by the rule of the game.
356 The actual rights themselves are maintained in the array
357 castlingRights, as part of the game history, and are not probed
363 int flags = F_ALL_CASTLE_OK;
364 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
365 switch (gameInfo.variant) {
367 flags &= ~F_ALL_CASTLE_OK;
368 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
369 flags |= F_IGNORE_CHECK;
371 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
374 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
376 case VariantKriegspiel:
377 flags |= F_KRIEGSPIEL_CAPTURE;
379 case VariantCapaRandom:
380 case VariantFischeRandom:
381 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
382 case VariantNoCastle:
383 case VariantShatranj:
387 flags &= ~F_ALL_CASTLE_OK;
395 FILE *gameFileFP, *debugFP, *serverFP;
396 char *currentDebugFile; // [HGM] debug split: to remember name
399 [AS] Note: sometimes, the sscanf() function is used to parse the input
400 into a fixed-size buffer. Because of this, we must be prepared to
401 receive strings as long as the size of the input buffer, which is currently
402 set to 4K for Windows and 8K for the rest.
403 So, we must either allocate sufficiently large buffers here, or
404 reduce the size of the input buffer in the input reading part.
407 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
408 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
409 char thinkOutput1[MSG_SIZ*10];
411 ChessProgramState first, second, pairing;
413 /* premove variables */
416 int premoveFromX = 0;
417 int premoveFromY = 0;
418 int premovePromoChar = 0;
420 Boolean alarmSounded;
421 /* end premove variables */
423 char *ics_prefix = "$";
424 enum ICS_TYPE ics_type = ICS_GENERIC;
426 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
427 int pauseExamForwardMostMove = 0;
428 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
429 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
430 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
431 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
432 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
433 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
434 int whiteFlag = FALSE, blackFlag = FALSE;
435 int userOfferedDraw = FALSE;
436 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
437 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
438 int cmailMoveType[CMAIL_MAX_GAMES];
439 long ics_clock_paused = 0;
440 ProcRef icsPR = NoProc, cmailPR = NoProc;
441 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
442 GameMode gameMode = BeginningOfGame;
443 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
444 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
445 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
446 int hiddenThinkOutputState = 0; /* [AS] */
447 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
448 int adjudicateLossPlies = 6;
449 char white_holding[64], black_holding[64];
450 TimeMark lastNodeCountTime;
451 long lastNodeCount=0;
452 int shiftKey, controlKey; // [HGM] set by mouse handler
454 int have_sent_ICS_logon = 0;
456 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
457 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
458 Boolean adjustedClock;
459 long timeControl_2; /* [AS] Allow separate time controls */
460 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
461 long timeRemaining[2][MAX_MOVES];
462 int matchGame = 0, nextGame = 0, roundNr = 0;
463 Boolean waitingForGame = FALSE;
464 TimeMark programStartTime, pauseStart;
465 char ics_handle[MSG_SIZ];
466 int have_set_title = 0;
468 /* animateTraining preserves the state of appData.animate
469 * when Training mode is activated. This allows the
470 * response to be animated when appData.animate == TRUE and
471 * appData.animateDragging == TRUE.
473 Boolean animateTraining;
479 Board boards[MAX_MOVES];
480 /* [HGM] Following 7 needed for accurate legality tests: */
481 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
482 signed char initialRights[BOARD_FILES];
483 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
484 int initialRulePlies, FENrulePlies;
485 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
487 Boolean shuffleOpenings;
488 int mute; // mute all sounds
490 // [HGM] vari: next 12 to save and restore variations
491 #define MAX_VARIATIONS 10
492 int framePtr = MAX_MOVES-1; // points to free stack entry
494 int savedFirst[MAX_VARIATIONS];
495 int savedLast[MAX_VARIATIONS];
496 int savedFramePtr[MAX_VARIATIONS];
497 char *savedDetails[MAX_VARIATIONS];
498 ChessMove savedResult[MAX_VARIATIONS];
500 void PushTail P((int firstMove, int lastMove));
501 Boolean PopTail P((Boolean annotate));
502 void PushInner P((int firstMove, int lastMove));
503 void PopInner P((Boolean annotate));
504 void CleanupTail P((void));
506 ChessSquare FIDEArray[2][BOARD_FILES] = {
507 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
508 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
509 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
510 BlackKing, BlackBishop, BlackKnight, BlackRook }
513 ChessSquare twoKingsArray[2][BOARD_FILES] = {
514 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
515 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
516 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
517 BlackKing, BlackKing, BlackKnight, BlackRook }
520 ChessSquare KnightmateArray[2][BOARD_FILES] = {
521 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
522 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
523 { BlackRook, BlackMan, BlackBishop, BlackQueen,
524 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
527 ChessSquare SpartanArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
529 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
530 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
531 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
534 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
538 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
541 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
542 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
543 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
544 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
545 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
548 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
549 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
550 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
551 { BlackRook, BlackKnight, BlackMan, BlackFerz,
552 BlackKing, BlackMan, BlackKnight, BlackRook }
556 #if (BOARD_FILES>=10)
557 ChessSquare ShogiArray[2][BOARD_FILES] = {
558 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
559 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
560 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
561 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
564 ChessSquare XiangqiArray[2][BOARD_FILES] = {
565 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
566 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
567 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
568 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
571 ChessSquare CapablancaArray[2][BOARD_FILES] = {
572 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
573 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
574 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
575 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
578 ChessSquare GreatArray[2][BOARD_FILES] = {
579 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
580 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
581 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
582 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
585 ChessSquare JanusArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
587 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
588 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
589 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
592 ChessSquare GrandArray[2][BOARD_FILES] = {
593 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
594 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
595 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
596 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
600 ChessSquare GothicArray[2][BOARD_FILES] = {
601 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
602 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
603 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
604 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
607 #define GothicArray CapablancaArray
611 ChessSquare FalconArray[2][BOARD_FILES] = {
612 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
613 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
614 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
615 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
618 #define FalconArray CapablancaArray
621 #else // !(BOARD_FILES>=10)
622 #define XiangqiPosition FIDEArray
623 #define CapablancaArray FIDEArray
624 #define GothicArray FIDEArray
625 #define GreatArray FIDEArray
626 #endif // !(BOARD_FILES>=10)
628 #if (BOARD_FILES>=12)
629 ChessSquare CourierArray[2][BOARD_FILES] = {
630 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
631 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
632 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
633 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
635 #else // !(BOARD_FILES>=12)
636 #define CourierArray CapablancaArray
637 #endif // !(BOARD_FILES>=12)
640 Board initialPosition;
643 /* Convert str to a rating. Checks for special cases of "----",
645 "++++", etc. Also strips ()'s */
647 string_to_rating (char *str)
649 while(*str && !isdigit(*str)) ++str;
651 return 0; /* One of the special "no rating" cases */
659 /* Init programStats */
660 programStats.movelist[0] = 0;
661 programStats.depth = 0;
662 programStats.nr_moves = 0;
663 programStats.moves_left = 0;
664 programStats.nodes = 0;
665 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
666 programStats.score = 0;
667 programStats.got_only_move = 0;
668 programStats.got_fail = 0;
669 programStats.line_is_book = 0;
674 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
675 if (appData.firstPlaysBlack) {
676 first.twoMachinesColor = "black\n";
677 second.twoMachinesColor = "white\n";
679 first.twoMachinesColor = "white\n";
680 second.twoMachinesColor = "black\n";
683 first.other = &second;
684 second.other = &first;
687 if(appData.timeOddsMode) {
688 norm = appData.timeOdds[0];
689 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
691 first.timeOdds = appData.timeOdds[0]/norm;
692 second.timeOdds = appData.timeOdds[1]/norm;
695 if(programVersion) free(programVersion);
696 if (appData.noChessProgram) {
697 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
698 sprintf(programVersion, "%s", PACKAGE_STRING);
700 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
701 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
702 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
707 UnloadEngine (ChessProgramState *cps)
709 /* Kill off first chess program */
710 if (cps->isr != NULL)
711 RemoveInputSource(cps->isr);
714 if (cps->pr != NoProc) {
716 DoSleep( appData.delayBeforeQuit );
717 SendToProgram("quit\n", cps);
718 DoSleep( appData.delayAfterQuit );
719 DestroyChildProcess(cps->pr, cps->useSigterm);
722 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
726 ClearOptions (ChessProgramState *cps)
729 cps->nrOptions = cps->comboCnt = 0;
730 for(i=0; i<MAX_OPTIONS; i++) {
731 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
732 cps->option[i].textValue = 0;
736 char *engineNames[] = {
737 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
738 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
740 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
741 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
746 InitEngine (ChessProgramState *cps, int n)
747 { // [HGM] all engine initialiation put in a function that does one engine
751 cps->which = engineNames[n];
752 cps->maybeThinking = FALSE;
756 cps->sendDrawOffers = 1;
758 cps->program = appData.chessProgram[n];
759 cps->host = appData.host[n];
760 cps->dir = appData.directory[n];
761 cps->initString = appData.engInitString[n];
762 cps->computerString = appData.computerString[n];
763 cps->useSigint = TRUE;
764 cps->useSigterm = TRUE;
765 cps->reuse = appData.reuse[n];
766 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
767 cps->useSetboard = FALSE;
769 cps->usePing = FALSE;
772 cps->usePlayother = FALSE;
773 cps->useColors = TRUE;
774 cps->useUsermove = FALSE;
775 cps->sendICS = FALSE;
776 cps->sendName = appData.icsActive;
777 cps->sdKludge = FALSE;
778 cps->stKludge = FALSE;
779 TidyProgramName(cps->program, cps->host, cps->tidy);
781 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
782 cps->analysisSupport = 2; /* detect */
783 cps->analyzing = FALSE;
784 cps->initDone = FALSE;
786 /* New features added by Tord: */
787 cps->useFEN960 = FALSE;
788 cps->useOOCastle = TRUE;
789 /* End of new features added by Tord. */
790 cps->fenOverride = appData.fenOverride[n];
792 /* [HGM] time odds: set factor for each machine */
793 cps->timeOdds = appData.timeOdds[n];
795 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
796 cps->accumulateTC = appData.accumulateTC[n];
797 cps->maxNrOfSessions = 1;
802 cps->supportsNPS = UNKNOWN;
803 cps->memSize = FALSE;
804 cps->maxCores = FALSE;
805 cps->egtFormats[0] = NULLCHAR;
808 cps->optionSettings = appData.engOptions[n];
810 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
811 cps->isUCI = appData.isUCI[n]; /* [AS] */
812 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
814 if (appData.protocolVersion[n] > PROTOVER
815 || appData.protocolVersion[n] < 1)
820 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
821 appData.protocolVersion[n]);
822 if( (len >= MSG_SIZ) && appData.debugMode )
823 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
825 DisplayFatalError(buf, 0, 2);
829 cps->protocolVersion = appData.protocolVersion[n];
832 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
833 ParseFeatures(appData.featureDefaults, cps);
836 ChessProgramState *savCps;
842 if(WaitForEngine(savCps, LoadEngine)) return;
843 CommonEngineInit(); // recalculate time odds
844 if(gameInfo.variant != StringToVariant(appData.variant)) {
845 // we changed variant when loading the engine; this forces us to reset
846 Reset(TRUE, savCps != &first);
847 EditGameEvent(); // for consistency with other path, as Reset changes mode
849 InitChessProgram(savCps, FALSE);
850 SendToProgram("force\n", savCps);
851 DisplayMessage("", "");
852 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
853 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
859 ReplaceEngine (ChessProgramState *cps, int n)
863 appData.noChessProgram = FALSE;
864 appData.clockMode = TRUE;
867 if(n) return; // only startup first engine immediately; second can wait
868 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
872 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
873 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
875 static char resetOptions[] =
876 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
877 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
878 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
879 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
882 FloatToFront(char **list, char *engineLine)
884 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
886 if(appData.recentEngines <= 0) return;
887 TidyProgramName(engineLine, "localhost", tidy+1);
888 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
889 strncpy(buf+1, *list, MSG_SIZ-50);
890 if(p = strstr(buf, tidy)) { // tidy name appears in list
891 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
892 while(*p++ = *++q); // squeeze out
894 strcat(tidy, buf+1); // put list behind tidy name
895 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
896 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
897 ASSIGN(*list, tidy+1);
900 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
903 Load (ChessProgramState *cps, int i)
905 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
906 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
907 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
908 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
909 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
910 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
911 appData.firstProtocolVersion = PROTOVER;
912 ParseArgsFromString(buf);
914 ReplaceEngine(cps, i);
915 FloatToFront(&appData.recentEngineList, engineLine);
919 while(q = strchr(p, SLASH)) p = q+1;
920 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
921 if(engineDir[0] != NULLCHAR) {
922 ASSIGN(appData.directory[i], engineDir); p = engineName;
923 } else if(p != engineName) { // derive directory from engine path, when not given
925 ASSIGN(appData.directory[i], engineName);
927 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
928 } else { ASSIGN(appData.directory[i], "."); }
930 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
931 snprintf(command, MSG_SIZ, "%s %s", p, params);
934 ASSIGN(appData.chessProgram[i], p);
935 appData.isUCI[i] = isUCI;
936 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
937 appData.hasOwnBookUCI[i] = hasBook;
938 if(!nickName[0]) useNick = FALSE;
939 if(useNick) ASSIGN(appData.pgnName[i], nickName);
943 q = firstChessProgramNames;
944 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
945 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
946 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
947 quote, p, quote, appData.directory[i],
948 useNick ? " -fn \"" : "",
949 useNick ? nickName : "",
951 v1 ? " -firstProtocolVersion 1" : "",
952 hasBook ? "" : " -fNoOwnBookUCI",
953 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
954 storeVariant ? " -variant " : "",
955 storeVariant ? VariantName(gameInfo.variant) : "");
956 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
957 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
958 if(insert != q) insert[-1] = NULLCHAR;
959 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
961 FloatToFront(&appData.recentEngineList, buf);
963 ReplaceEngine(cps, i);
969 int matched, min, sec;
971 * Parse timeControl resource
973 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
974 appData.movesPerSession)) {
976 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
977 DisplayFatalError(buf, 0, 2);
981 * Parse searchTime resource
983 if (*appData.searchTime != NULLCHAR) {
984 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
986 searchTime = min * 60;
987 } else if (matched == 2) {
988 searchTime = min * 60 + sec;
991 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
992 DisplayFatalError(buf, 0, 2);
1001 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1002 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1004 GetTimeMark(&programStartTime);
1005 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1006 appData.seedBase = random() + (random()<<15);
1007 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1009 ClearProgramStats();
1010 programStats.ok_to_send = 1;
1011 programStats.seen_stat = 0;
1014 * Initialize game list
1020 * Internet chess server status
1022 if (appData.icsActive) {
1023 appData.matchMode = FALSE;
1024 appData.matchGames = 0;
1026 appData.noChessProgram = !appData.zippyPlay;
1028 appData.zippyPlay = FALSE;
1029 appData.zippyTalk = FALSE;
1030 appData.noChessProgram = TRUE;
1032 if (*appData.icsHelper != NULLCHAR) {
1033 appData.useTelnet = TRUE;
1034 appData.telnetProgram = appData.icsHelper;
1037 appData.zippyTalk = appData.zippyPlay = FALSE;
1040 /* [AS] Initialize pv info list [HGM] and game state */
1044 for( i=0; i<=framePtr; i++ ) {
1045 pvInfoList[i].depth = -1;
1046 boards[i][EP_STATUS] = EP_NONE;
1047 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1053 /* [AS] Adjudication threshold */
1054 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1056 InitEngine(&first, 0);
1057 InitEngine(&second, 1);
1060 pairing.which = "pairing"; // pairing engine
1061 pairing.pr = NoProc;
1063 pairing.program = appData.pairingEngine;
1064 pairing.host = "localhost";
1067 if (appData.icsActive) {
1068 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1069 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1070 appData.clockMode = FALSE;
1071 first.sendTime = second.sendTime = 0;
1075 /* Override some settings from environment variables, for backward
1076 compatibility. Unfortunately it's not feasible to have the env
1077 vars just set defaults, at least in xboard. Ugh.
1079 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1084 if (!appData.icsActive) {
1088 /* Check for variants that are supported only in ICS mode,
1089 or not at all. Some that are accepted here nevertheless
1090 have bugs; see comments below.
1092 VariantClass variant = StringToVariant(appData.variant);
1094 case VariantBughouse: /* need four players and two boards */
1095 case VariantKriegspiel: /* need to hide pieces and move details */
1096 /* case VariantFischeRandom: (Fabien: moved below) */
1097 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1098 if( (len >= MSG_SIZ) && appData.debugMode )
1099 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1101 DisplayFatalError(buf, 0, 2);
1104 case VariantUnknown:
1105 case VariantLoadable:
1115 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1116 if( (len >= MSG_SIZ) && appData.debugMode )
1117 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1119 DisplayFatalError(buf, 0, 2);
1122 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1123 case VariantFairy: /* [HGM] TestLegality definitely off! */
1124 case VariantGothic: /* [HGM] should work */
1125 case VariantCapablanca: /* [HGM] should work */
1126 case VariantCourier: /* [HGM] initial forced moves not implemented */
1127 case VariantShogi: /* [HGM] could still mate with pawn drop */
1128 case VariantKnightmate: /* [HGM] should work */
1129 case VariantCylinder: /* [HGM] untested */
1130 case VariantFalcon: /* [HGM] untested */
1131 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1132 offboard interposition not understood */
1133 case VariantNormal: /* definitely works! */
1134 case VariantWildCastle: /* pieces not automatically shuffled */
1135 case VariantNoCastle: /* pieces not automatically shuffled */
1136 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1137 case VariantLosers: /* should work except for win condition,
1138 and doesn't know captures are mandatory */
1139 case VariantSuicide: /* should work except for win condition,
1140 and doesn't know captures are mandatory */
1141 case VariantGiveaway: /* should work except for win condition,
1142 and doesn't know captures are mandatory */
1143 case VariantTwoKings: /* should work */
1144 case VariantAtomic: /* should work except for win condition */
1145 case Variant3Check: /* should work except for win condition */
1146 case VariantShatranj: /* should work except for all win conditions */
1147 case VariantMakruk: /* should work except for draw countdown */
1148 case VariantBerolina: /* might work if TestLegality is off */
1149 case VariantCapaRandom: /* should work */
1150 case VariantJanus: /* should work */
1151 case VariantSuper: /* experimental */
1152 case VariantGreat: /* experimental, requires legality testing to be off */
1153 case VariantSChess: /* S-Chess, should work */
1154 case VariantGrand: /* should work */
1155 case VariantSpartan: /* should work */
1163 NextIntegerFromString (char ** str, long * value)
1168 while( *s == ' ' || *s == '\t' ) {
1174 if( *s >= '0' && *s <= '9' ) {
1175 while( *s >= '0' && *s <= '9' ) {
1176 *value = *value * 10 + (*s - '0');
1189 NextTimeControlFromString (char ** str, long * value)
1192 int result = NextIntegerFromString( str, &temp );
1195 *value = temp * 60; /* Minutes */
1196 if( **str == ':' ) {
1198 result = NextIntegerFromString( str, &temp );
1199 *value += temp; /* Seconds */
1207 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1208 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1209 int result = -1, type = 0; long temp, temp2;
1211 if(**str != ':') return -1; // old params remain in force!
1213 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1214 if( NextIntegerFromString( str, &temp ) ) return -1;
1215 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1218 /* time only: incremental or sudden-death time control */
1219 if(**str == '+') { /* increment follows; read it */
1221 if(**str == '!') type = *(*str)++; // Bronstein TC
1222 if(result = NextIntegerFromString( str, &temp2)) return -1;
1223 *inc = temp2 * 1000;
1224 if(**str == '.') { // read fraction of increment
1225 char *start = ++(*str);
1226 if(result = NextIntegerFromString( str, &temp2)) return -1;
1228 while(start++ < *str) temp2 /= 10;
1232 *moves = 0; *tc = temp * 1000; *incType = type;
1236 (*str)++; /* classical time control */
1237 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1249 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1250 { /* [HGM] get time to add from the multi-session time-control string */
1251 int incType, moves=1; /* kludge to force reading of first session */
1252 long time, increment;
1255 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1257 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1258 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1259 if(movenr == -1) return time; /* last move before new session */
1260 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1261 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1262 if(!moves) return increment; /* current session is incremental */
1263 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1264 } while(movenr >= -1); /* try again for next session */
1266 return 0; // no new time quota on this move
1270 ParseTimeControl (char *tc, float ti, int mps)
1274 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1277 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1278 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1279 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1283 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1285 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1288 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1290 snprintf(buf, MSG_SIZ, ":%s", mytc);
1292 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1294 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1299 /* Parse second time control */
1302 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1310 timeControl_2 = tc2 * 1000;
1320 timeControl = tc1 * 1000;
1323 timeIncrement = ti * 1000; /* convert to ms */
1324 movesPerSession = 0;
1327 movesPerSession = mps;
1335 if (appData.debugMode) {
1336 fprintf(debugFP, "%s\n", programVersion);
1338 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1340 set_cont_sequence(appData.wrapContSeq);
1341 if (appData.matchGames > 0) {
1342 appData.matchMode = TRUE;
1343 } else if (appData.matchMode) {
1344 appData.matchGames = 1;
1346 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1347 appData.matchGames = appData.sameColorGames;
1348 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1349 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1350 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1353 if (appData.noChessProgram || first.protocolVersion == 1) {
1356 /* kludge: allow timeout for initial "feature" commands */
1358 DisplayMessage("", _("Starting chess program"));
1359 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1364 CalculateIndex (int index, int gameNr)
1365 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1367 if(index > 0) return index; // fixed nmber
1368 if(index == 0) return 1;
1369 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1370 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1375 LoadGameOrPosition (int gameNr)
1376 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1377 if (*appData.loadGameFile != NULLCHAR) {
1378 if (!LoadGameFromFile(appData.loadGameFile,
1379 CalculateIndex(appData.loadGameIndex, gameNr),
1380 appData.loadGameFile, FALSE)) {
1381 DisplayFatalError(_("Bad game file"), 0, 1);
1384 } else if (*appData.loadPositionFile != NULLCHAR) {
1385 if (!LoadPositionFromFile(appData.loadPositionFile,
1386 CalculateIndex(appData.loadPositionIndex, gameNr),
1387 appData.loadPositionFile)) {
1388 DisplayFatalError(_("Bad position file"), 0, 1);
1396 ReserveGame (int gameNr, char resChar)
1398 FILE *tf = fopen(appData.tourneyFile, "r+");
1399 char *p, *q, c, buf[MSG_SIZ];
1400 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1401 safeStrCpy(buf, lastMsg, MSG_SIZ);
1402 DisplayMessage(_("Pick new game"), "");
1403 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1404 ParseArgsFromFile(tf);
1405 p = q = appData.results;
1406 if(appData.debugMode) {
1407 char *r = appData.participants;
1408 fprintf(debugFP, "results = '%s'\n", p);
1409 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1410 fprintf(debugFP, "\n");
1412 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1414 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1415 safeStrCpy(q, p, strlen(p) + 2);
1416 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1417 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1418 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1419 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1422 fseek(tf, -(strlen(p)+4), SEEK_END);
1424 if(c != '"') // depending on DOS or Unix line endings we can be one off
1425 fseek(tf, -(strlen(p)+2), SEEK_END);
1426 else fseek(tf, -(strlen(p)+3), SEEK_END);
1427 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1428 DisplayMessage(buf, "");
1429 free(p); appData.results = q;
1430 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1431 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1432 int round = appData.defaultMatchGames * appData.tourneyType;
1433 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1434 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1435 UnloadEngine(&first); // next game belongs to other pairing;
1436 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1438 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1442 MatchEvent (int mode)
1443 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1445 if(matchMode) { // already in match mode: switch it off
1447 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1450 // if(gameMode != BeginningOfGame) {
1451 // DisplayError(_("You can only start a match from the initial position."), 0);
1455 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1456 /* Set up machine vs. machine match */
1458 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1459 if(appData.tourneyFile[0]) {
1461 if(nextGame > appData.matchGames) {
1463 if(strchr(appData.results, '*') == NULL) {
1465 appData.tourneyCycles++;
1466 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1468 NextTourneyGame(-1, &dummy);
1470 if(nextGame <= appData.matchGames) {
1471 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1473 ScheduleDelayedEvent(NextMatchGame, 10000);
1478 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1479 DisplayError(buf, 0);
1480 appData.tourneyFile[0] = 0;
1484 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1485 DisplayFatalError(_("Can't have a match with no chess programs"),
1490 matchGame = roundNr = 1;
1491 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1495 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1498 InitBackEnd3 P((void))
1500 GameMode initialMode;
1504 InitChessProgram(&first, startedFromSetupPosition);
1506 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1507 free(programVersion);
1508 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1509 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1510 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1513 if (appData.icsActive) {
1515 /* [DM] Make a console window if needed [HGM] merged ifs */
1521 if (*appData.icsCommPort != NULLCHAR)
1522 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1523 appData.icsCommPort);
1525 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1526 appData.icsHost, appData.icsPort);
1528 if( (len >= MSG_SIZ) && appData.debugMode )
1529 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1531 DisplayFatalError(buf, err, 1);
1536 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1538 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1539 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1540 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1541 } else if (appData.noChessProgram) {
1547 if (*appData.cmailGameName != NULLCHAR) {
1549 OpenLoopback(&cmailPR);
1551 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1555 DisplayMessage("", "");
1556 if (StrCaseCmp(appData.initialMode, "") == 0) {
1557 initialMode = BeginningOfGame;
1558 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1559 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1560 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1561 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1564 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1565 initialMode = TwoMachinesPlay;
1566 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1567 initialMode = AnalyzeFile;
1568 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1569 initialMode = AnalyzeMode;
1570 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1571 initialMode = MachinePlaysWhite;
1572 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1573 initialMode = MachinePlaysBlack;
1574 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1575 initialMode = EditGame;
1576 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1577 initialMode = EditPosition;
1578 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1579 initialMode = Training;
1581 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1582 if( (len >= MSG_SIZ) && appData.debugMode )
1583 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1585 DisplayFatalError(buf, 0, 2);
1589 if (appData.matchMode) {
1590 if(appData.tourneyFile[0]) { // start tourney from command line
1592 if(f = fopen(appData.tourneyFile, "r")) {
1593 ParseArgsFromFile(f); // make sure tourney parmeters re known
1595 appData.clockMode = TRUE;
1597 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1600 } else if (*appData.cmailGameName != NULLCHAR) {
1601 /* Set up cmail mode */
1602 ReloadCmailMsgEvent(TRUE);
1604 /* Set up other modes */
1605 if (initialMode == AnalyzeFile) {
1606 if (*appData.loadGameFile == NULLCHAR) {
1607 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1611 if (*appData.loadGameFile != NULLCHAR) {
1612 (void) LoadGameFromFile(appData.loadGameFile,
1613 appData.loadGameIndex,
1614 appData.loadGameFile, TRUE);
1615 } else if (*appData.loadPositionFile != NULLCHAR) {
1616 (void) LoadPositionFromFile(appData.loadPositionFile,
1617 appData.loadPositionIndex,
1618 appData.loadPositionFile);
1619 /* [HGM] try to make self-starting even after FEN load */
1620 /* to allow automatic setup of fairy variants with wtm */
1621 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1622 gameMode = BeginningOfGame;
1623 setboardSpoiledMachineBlack = 1;
1625 /* [HGM] loadPos: make that every new game uses the setup */
1626 /* from file as long as we do not switch variant */
1627 if(!blackPlaysFirst) {
1628 startedFromPositionFile = TRUE;
1629 CopyBoard(filePosition, boards[0]);
1632 if (initialMode == AnalyzeMode) {
1633 if (appData.noChessProgram) {
1634 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1637 if (appData.icsActive) {
1638 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1642 } else if (initialMode == AnalyzeFile) {
1643 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1644 ShowThinkingEvent();
1646 AnalysisPeriodicEvent(1);
1647 } else if (initialMode == MachinePlaysWhite) {
1648 if (appData.noChessProgram) {
1649 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1653 if (appData.icsActive) {
1654 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1658 MachineWhiteEvent();
1659 } else if (initialMode == MachinePlaysBlack) {
1660 if (appData.noChessProgram) {
1661 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1665 if (appData.icsActive) {
1666 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1670 MachineBlackEvent();
1671 } else if (initialMode == TwoMachinesPlay) {
1672 if (appData.noChessProgram) {
1673 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1677 if (appData.icsActive) {
1678 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1683 } else if (initialMode == EditGame) {
1685 } else if (initialMode == EditPosition) {
1686 EditPositionEvent();
1687 } else if (initialMode == Training) {
1688 if (*appData.loadGameFile == NULLCHAR) {
1689 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1698 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1700 DisplayBook(current+1);
1702 MoveHistorySet( movelist, first, last, current, pvInfoList );
1704 EvalGraphSet( first, last, current, pvInfoList );
1706 MakeEngineOutputTitle();
1710 * Establish will establish a contact to a remote host.port.
1711 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1712 * used to talk to the host.
1713 * Returns 0 if okay, error code if not.
1720 if (*appData.icsCommPort != NULLCHAR) {
1721 /* Talk to the host through a serial comm port */
1722 return OpenCommPort(appData.icsCommPort, &icsPR);
1724 } else if (*appData.gateway != NULLCHAR) {
1725 if (*appData.remoteShell == NULLCHAR) {
1726 /* Use the rcmd protocol to run telnet program on a gateway host */
1727 snprintf(buf, sizeof(buf), "%s %s %s",
1728 appData.telnetProgram, appData.icsHost, appData.icsPort);
1729 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1732 /* Use the rsh program to run telnet program on a gateway host */
1733 if (*appData.remoteUser == NULLCHAR) {
1734 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1735 appData.gateway, appData.telnetProgram,
1736 appData.icsHost, appData.icsPort);
1738 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1739 appData.remoteShell, appData.gateway,
1740 appData.remoteUser, appData.telnetProgram,
1741 appData.icsHost, appData.icsPort);
1743 return StartChildProcess(buf, "", &icsPR);
1746 } else if (appData.useTelnet) {
1747 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1750 /* TCP socket interface differs somewhat between
1751 Unix and NT; handle details in the front end.
1753 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1758 EscapeExpand (char *p, char *q)
1759 { // [HGM] initstring: routine to shape up string arguments
1760 while(*p++ = *q++) if(p[-1] == '\\')
1762 case 'n': p[-1] = '\n'; break;
1763 case 'r': p[-1] = '\r'; break;
1764 case 't': p[-1] = '\t'; break;
1765 case '\\': p[-1] = '\\'; break;
1766 case 0: *p = 0; return;
1767 default: p[-1] = q[-1]; break;
1772 show_bytes (FILE *fp, char *buf, int count)
1775 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1776 fprintf(fp, "\\%03o", *buf & 0xff);
1785 /* Returns an errno value */
1787 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1789 char buf[8192], *p, *q, *buflim;
1790 int left, newcount, outcount;
1792 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1793 *appData.gateway != NULLCHAR) {
1794 if (appData.debugMode) {
1795 fprintf(debugFP, ">ICS: ");
1796 show_bytes(debugFP, message, count);
1797 fprintf(debugFP, "\n");
1799 return OutputToProcess(pr, message, count, outError);
1802 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1809 if (appData.debugMode) {
1810 fprintf(debugFP, ">ICS: ");
1811 show_bytes(debugFP, buf, newcount);
1812 fprintf(debugFP, "\n");
1814 outcount = OutputToProcess(pr, buf, newcount, outError);
1815 if (outcount < newcount) return -1; /* to be sure */
1822 } else if (((unsigned char) *p) == TN_IAC) {
1823 *q++ = (char) TN_IAC;
1830 if (appData.debugMode) {
1831 fprintf(debugFP, ">ICS: ");
1832 show_bytes(debugFP, buf, newcount);
1833 fprintf(debugFP, "\n");
1835 outcount = OutputToProcess(pr, buf, newcount, outError);
1836 if (outcount < newcount) return -1; /* to be sure */
1841 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1843 int outError, outCount;
1844 static int gotEof = 0;
1846 /* Pass data read from player on to ICS */
1849 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1850 if (outCount < count) {
1851 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1853 } else if (count < 0) {
1854 RemoveInputSource(isr);
1855 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1856 } else if (gotEof++ > 0) {
1857 RemoveInputSource(isr);
1858 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1864 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1865 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1866 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1867 SendToICS("date\n");
1868 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1871 /* added routine for printf style output to ics */
1873 ics_printf (char *format, ...)
1875 char buffer[MSG_SIZ];
1878 va_start(args, format);
1879 vsnprintf(buffer, sizeof(buffer), format, args);
1880 buffer[sizeof(buffer)-1] = '\0';
1888 int count, outCount, outError;
1890 if (icsPR == NoProc) return;
1893 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1894 if (outCount < count) {
1895 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1899 /* This is used for sending logon scripts to the ICS. Sending
1900 without a delay causes problems when using timestamp on ICC
1901 (at least on my machine). */
1903 SendToICSDelayed (char *s, long msdelay)
1905 int count, outCount, outError;
1907 if (icsPR == NoProc) return;
1910 if (appData.debugMode) {
1911 fprintf(debugFP, ">ICS: ");
1912 show_bytes(debugFP, s, count);
1913 fprintf(debugFP, "\n");
1915 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1917 if (outCount < count) {
1918 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1923 /* Remove all highlighting escape sequences in s
1924 Also deletes any suffix starting with '('
1927 StripHighlightAndTitle (char *s)
1929 static char retbuf[MSG_SIZ];
1932 while (*s != NULLCHAR) {
1933 while (*s == '\033') {
1934 while (*s != NULLCHAR && !isalpha(*s)) s++;
1935 if (*s != NULLCHAR) s++;
1937 while (*s != NULLCHAR && *s != '\033') {
1938 if (*s == '(' || *s == '[') {
1949 /* Remove all highlighting escape sequences in s */
1951 StripHighlight (char *s)
1953 static char retbuf[MSG_SIZ];
1956 while (*s != NULLCHAR) {
1957 while (*s == '\033') {
1958 while (*s != NULLCHAR && !isalpha(*s)) s++;
1959 if (*s != NULLCHAR) s++;
1961 while (*s != NULLCHAR && *s != '\033') {
1969 char *variantNames[] = VARIANT_NAMES;
1971 VariantName (VariantClass v)
1973 return variantNames[v];
1977 /* Identify a variant from the strings the chess servers use or the
1978 PGN Variant tag names we use. */
1980 StringToVariant (char *e)
1984 VariantClass v = VariantNormal;
1985 int i, found = FALSE;
1991 /* [HGM] skip over optional board-size prefixes */
1992 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1993 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1994 while( *e++ != '_');
1997 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2001 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2002 if (StrCaseStr(e, variantNames[i])) {
2003 v = (VariantClass) i;
2010 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2011 || StrCaseStr(e, "wild/fr")
2012 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2013 v = VariantFischeRandom;
2014 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2015 (i = 1, p = StrCaseStr(e, "w"))) {
2017 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2024 case 0: /* FICS only, actually */
2026 /* Castling legal even if K starts on d-file */
2027 v = VariantWildCastle;
2032 /* Castling illegal even if K & R happen to start in
2033 normal positions. */
2034 v = VariantNoCastle;
2047 /* Castling legal iff K & R start in normal positions */
2053 /* Special wilds for position setup; unclear what to do here */
2054 v = VariantLoadable;
2057 /* Bizarre ICC game */
2058 v = VariantTwoKings;
2061 v = VariantKriegspiel;
2067 v = VariantFischeRandom;
2070 v = VariantCrazyhouse;
2073 v = VariantBughouse;
2079 /* Not quite the same as FICS suicide! */
2080 v = VariantGiveaway;
2086 v = VariantShatranj;
2089 /* Temporary names for future ICC types. The name *will* change in
2090 the next xboard/WinBoard release after ICC defines it. */
2128 v = VariantCapablanca;
2131 v = VariantKnightmate;
2137 v = VariantCylinder;
2143 v = VariantCapaRandom;
2146 v = VariantBerolina;
2158 /* Found "wild" or "w" in the string but no number;
2159 must assume it's normal chess. */
2163 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2164 if( (len >= MSG_SIZ) && appData.debugMode )
2165 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2167 DisplayError(buf, 0);
2173 if (appData.debugMode) {
2174 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2175 e, wnum, VariantName(v));
2180 static int leftover_start = 0, leftover_len = 0;
2181 char star_match[STAR_MATCH_N][MSG_SIZ];
2183 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2184 advance *index beyond it, and set leftover_start to the new value of
2185 *index; else return FALSE. If pattern contains the character '*', it
2186 matches any sequence of characters not containing '\r', '\n', or the
2187 character following the '*' (if any), and the matched sequence(s) are
2188 copied into star_match.
2191 looking_at ( char *buf, int *index, char *pattern)
2193 char *bufp = &buf[*index], *patternp = pattern;
2195 char *matchp = star_match[0];
2198 if (*patternp == NULLCHAR) {
2199 *index = leftover_start = bufp - buf;
2203 if (*bufp == NULLCHAR) return FALSE;
2204 if (*patternp == '*') {
2205 if (*bufp == *(patternp + 1)) {
2207 matchp = star_match[++star_count];
2211 } else if (*bufp == '\n' || *bufp == '\r') {
2213 if (*patternp == NULLCHAR)
2218 *matchp++ = *bufp++;
2222 if (*patternp != *bufp) return FALSE;
2229 SendToPlayer (char *data, int length)
2231 int error, outCount;
2232 outCount = OutputToProcess(NoProc, data, length, &error);
2233 if (outCount < length) {
2234 DisplayFatalError(_("Error writing to display"), error, 1);
2239 PackHolding (char packed[], char *holding)
2249 switch (runlength) {
2260 sprintf(q, "%d", runlength);
2272 /* Telnet protocol requests from the front end */
2274 TelnetRequest (unsigned char ddww, unsigned char option)
2276 unsigned char msg[3];
2277 int outCount, outError;
2279 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2281 if (appData.debugMode) {
2282 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2298 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2307 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2310 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2315 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2317 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2324 if (!appData.icsActive) return;
2325 TelnetRequest(TN_DO, TN_ECHO);
2331 if (!appData.icsActive) return;
2332 TelnetRequest(TN_DONT, TN_ECHO);
2336 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2338 /* put the holdings sent to us by the server on the board holdings area */
2339 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2343 if(gameInfo.holdingsWidth < 2) return;
2344 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2345 return; // prevent overwriting by pre-board holdings
2347 if( (int)lowestPiece >= BlackPawn ) {
2350 holdingsStartRow = BOARD_HEIGHT-1;
2353 holdingsColumn = BOARD_WIDTH-1;
2354 countsColumn = BOARD_WIDTH-2;
2355 holdingsStartRow = 0;
2359 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2360 board[i][holdingsColumn] = EmptySquare;
2361 board[i][countsColumn] = (ChessSquare) 0;
2363 while( (p=*holdings++) != NULLCHAR ) {
2364 piece = CharToPiece( ToUpper(p) );
2365 if(piece == EmptySquare) continue;
2366 /*j = (int) piece - (int) WhitePawn;*/
2367 j = PieceToNumber(piece);
2368 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2369 if(j < 0) continue; /* should not happen */
2370 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2371 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2372 board[holdingsStartRow+j*direction][countsColumn]++;
2378 VariantSwitch (Board board, VariantClass newVariant)
2380 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2381 static Board oldBoard;
2383 startedFromPositionFile = FALSE;
2384 if(gameInfo.variant == newVariant) return;
2386 /* [HGM] This routine is called each time an assignment is made to
2387 * gameInfo.variant during a game, to make sure the board sizes
2388 * are set to match the new variant. If that means adding or deleting
2389 * holdings, we shift the playing board accordingly
2390 * This kludge is needed because in ICS observe mode, we get boards
2391 * of an ongoing game without knowing the variant, and learn about the
2392 * latter only later. This can be because of the move list we requested,
2393 * in which case the game history is refilled from the beginning anyway,
2394 * but also when receiving holdings of a crazyhouse game. In the latter
2395 * case we want to add those holdings to the already received position.
2399 if (appData.debugMode) {
2400 fprintf(debugFP, "Switch board from %s to %s\n",
2401 VariantName(gameInfo.variant), VariantName(newVariant));
2402 setbuf(debugFP, NULL);
2404 shuffleOpenings = 0; /* [HGM] shuffle */
2405 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2409 newWidth = 9; newHeight = 9;
2410 gameInfo.holdingsSize = 7;
2411 case VariantBughouse:
2412 case VariantCrazyhouse:
2413 newHoldingsWidth = 2; break;
2417 newHoldingsWidth = 2;
2418 gameInfo.holdingsSize = 8;
2421 case VariantCapablanca:
2422 case VariantCapaRandom:
2425 newHoldingsWidth = gameInfo.holdingsSize = 0;
2428 if(newWidth != gameInfo.boardWidth ||
2429 newHeight != gameInfo.boardHeight ||
2430 newHoldingsWidth != gameInfo.holdingsWidth ) {
2432 /* shift position to new playing area, if needed */
2433 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2434 for(i=0; i<BOARD_HEIGHT; i++)
2435 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2436 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2438 for(i=0; i<newHeight; i++) {
2439 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2440 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2442 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2443 for(i=0; i<BOARD_HEIGHT; i++)
2444 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2445 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2448 board[HOLDINGS_SET] = 0;
2449 gameInfo.boardWidth = newWidth;
2450 gameInfo.boardHeight = newHeight;
2451 gameInfo.holdingsWidth = newHoldingsWidth;
2452 gameInfo.variant = newVariant;
2453 InitDrawingSizes(-2, 0);
2454 } else gameInfo.variant = newVariant;
2455 CopyBoard(oldBoard, board); // remember correctly formatted board
2456 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2457 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2460 static int loggedOn = FALSE;
2462 /*-- Game start info cache: --*/
2464 char gs_kind[MSG_SIZ];
2465 static char player1Name[128] = "";
2466 static char player2Name[128] = "";
2467 static char cont_seq[] = "\n\\ ";
2468 static int player1Rating = -1;
2469 static int player2Rating = -1;
2470 /*----------------------------*/
2472 ColorClass curColor = ColorNormal;
2473 int suppressKibitz = 0;
2476 Boolean soughtPending = FALSE;
2477 Boolean seekGraphUp;
2478 #define MAX_SEEK_ADS 200
2480 char *seekAdList[MAX_SEEK_ADS];
2481 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2482 float tcList[MAX_SEEK_ADS];
2483 char colorList[MAX_SEEK_ADS];
2484 int nrOfSeekAds = 0;
2485 int minRating = 1010, maxRating = 2800;
2486 int hMargin = 10, vMargin = 20, h, w;
2487 extern int squareSize, lineGap;
2492 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2493 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2494 if(r < minRating+100 && r >=0 ) r = minRating+100;
2495 if(r > maxRating) r = maxRating;
2496 if(tc < 1.f) tc = 1.f;
2497 if(tc > 95.f) tc = 95.f;
2498 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2499 y = ((double)r - minRating)/(maxRating - minRating)
2500 * (h-vMargin-squareSize/8-1) + vMargin;
2501 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2502 if(strstr(seekAdList[i], " u ")) color = 1;
2503 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2504 !strstr(seekAdList[i], "bullet") &&
2505 !strstr(seekAdList[i], "blitz") &&
2506 !strstr(seekAdList[i], "standard") ) color = 2;
2507 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2508 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2512 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2514 char buf[MSG_SIZ], *ext = "";
2515 VariantClass v = StringToVariant(type);
2516 if(strstr(type, "wild")) {
2517 ext = type + 4; // append wild number
2518 if(v == VariantFischeRandom) type = "chess960"; else
2519 if(v == VariantLoadable) type = "setup"; else
2520 type = VariantName(v);
2522 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2523 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2524 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2525 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2526 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2527 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2528 seekNrList[nrOfSeekAds] = nr;
2529 zList[nrOfSeekAds] = 0;
2530 seekAdList[nrOfSeekAds++] = StrSave(buf);
2531 if(plot) PlotSeekAd(nrOfSeekAds-1);
2536 EraseSeekDot (int i)
2538 int x = xList[i], y = yList[i], d=squareSize/4, k;
2539 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2540 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2541 // now replot every dot that overlapped
2542 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2543 int xx = xList[k], yy = yList[k];
2544 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2545 DrawSeekDot(xx, yy, colorList[k]);
2550 RemoveSeekAd (int nr)
2553 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2555 if(seekAdList[i]) free(seekAdList[i]);
2556 seekAdList[i] = seekAdList[--nrOfSeekAds];
2557 seekNrList[i] = seekNrList[nrOfSeekAds];
2558 ratingList[i] = ratingList[nrOfSeekAds];
2559 colorList[i] = colorList[nrOfSeekAds];
2560 tcList[i] = tcList[nrOfSeekAds];
2561 xList[i] = xList[nrOfSeekAds];
2562 yList[i] = yList[nrOfSeekAds];
2563 zList[i] = zList[nrOfSeekAds];
2564 seekAdList[nrOfSeekAds] = NULL;
2570 MatchSoughtLine (char *line)
2572 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2573 int nr, base, inc, u=0; char dummy;
2575 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2576 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2578 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2579 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2580 // match: compact and save the line
2581 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2591 if(!seekGraphUp) return FALSE;
2592 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2593 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2595 DrawSeekBackground(0, 0, w, h);
2596 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2597 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2598 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2599 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2601 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2604 snprintf(buf, MSG_SIZ, "%d", i);
2605 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2608 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2609 for(i=1; i<100; i+=(i<10?1:5)) {
2610 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2611 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2612 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2614 snprintf(buf, MSG_SIZ, "%d", i);
2615 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2618 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2623 SeekGraphClick (ClickType click, int x, int y, int moving)
2625 static int lastDown = 0, displayed = 0, lastSecond;
2626 if(y < 0) return FALSE;
2627 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2628 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2629 if(!seekGraphUp) return FALSE;
2630 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2631 DrawPosition(TRUE, NULL);
2634 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2635 if(click == Release || moving) return FALSE;
2637 soughtPending = TRUE;
2638 SendToICS(ics_prefix);
2639 SendToICS("sought\n"); // should this be "sought all"?
2640 } else { // issue challenge based on clicked ad
2641 int dist = 10000; int i, closest = 0, second = 0;
2642 for(i=0; i<nrOfSeekAds; i++) {
2643 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2644 if(d < dist) { dist = d; closest = i; }
2645 second += (d - zList[i] < 120); // count in-range ads
2646 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2650 second = (second > 1);
2651 if(displayed != closest || second != lastSecond) {
2652 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2653 lastSecond = second; displayed = closest;
2655 if(click == Press) {
2656 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2659 } // on press 'hit', only show info
2660 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2661 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2662 SendToICS(ics_prefix);
2664 return TRUE; // let incoming board of started game pop down the graph
2665 } else if(click == Release) { // release 'miss' is ignored
2666 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2667 if(moving == 2) { // right up-click
2668 nrOfSeekAds = 0; // refresh graph
2669 soughtPending = TRUE;
2670 SendToICS(ics_prefix);
2671 SendToICS("sought\n"); // should this be "sought all"?
2674 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2675 // press miss or release hit 'pop down' seek graph
2676 seekGraphUp = FALSE;
2677 DrawPosition(TRUE, NULL);
2683 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2685 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2686 #define STARTED_NONE 0
2687 #define STARTED_MOVES 1
2688 #define STARTED_BOARD 2
2689 #define STARTED_OBSERVE 3
2690 #define STARTED_HOLDINGS 4
2691 #define STARTED_CHATTER 5
2692 #define STARTED_COMMENT 6
2693 #define STARTED_MOVES_NOHIDE 7
2695 static int started = STARTED_NONE;
2696 static char parse[20000];
2697 static int parse_pos = 0;
2698 static char buf[BUF_SIZE + 1];
2699 static int firstTime = TRUE, intfSet = FALSE;
2700 static ColorClass prevColor = ColorNormal;
2701 static int savingComment = FALSE;
2702 static int cmatch = 0; // continuation sequence match
2709 int backup; /* [DM] For zippy color lines */
2711 char talker[MSG_SIZ]; // [HGM] chat
2714 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2716 if (appData.debugMode) {
2718 fprintf(debugFP, "<ICS: ");
2719 show_bytes(debugFP, data, count);
2720 fprintf(debugFP, "\n");
2724 if (appData.debugMode) { int f = forwardMostMove;
2725 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2726 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2727 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2730 /* If last read ended with a partial line that we couldn't parse,
2731 prepend it to the new read and try again. */
2732 if (leftover_len > 0) {
2733 for (i=0; i<leftover_len; i++)
2734 buf[i] = buf[leftover_start + i];
2737 /* copy new characters into the buffer */
2738 bp = buf + leftover_len;
2739 buf_len=leftover_len;
2740 for (i=0; i<count; i++)
2743 if (data[i] == '\r')
2746 // join lines split by ICS?
2747 if (!appData.noJoin)
2750 Joining just consists of finding matches against the
2751 continuation sequence, and discarding that sequence
2752 if found instead of copying it. So, until a match
2753 fails, there's nothing to do since it might be the
2754 complete sequence, and thus, something we don't want
2757 if (data[i] == cont_seq[cmatch])
2760 if (cmatch == strlen(cont_seq))
2762 cmatch = 0; // complete match. just reset the counter
2765 it's possible for the ICS to not include the space
2766 at the end of the last word, making our [correct]
2767 join operation fuse two separate words. the server
2768 does this when the space occurs at the width setting.
2770 if (!buf_len || buf[buf_len-1] != ' ')
2781 match failed, so we have to copy what matched before
2782 falling through and copying this character. In reality,
2783 this will only ever be just the newline character, but
2784 it doesn't hurt to be precise.
2786 strncpy(bp, cont_seq, cmatch);
2798 buf[buf_len] = NULLCHAR;
2799 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2804 while (i < buf_len) {
2805 /* Deal with part of the TELNET option negotiation
2806 protocol. We refuse to do anything beyond the
2807 defaults, except that we allow the WILL ECHO option,
2808 which ICS uses to turn off password echoing when we are
2809 directly connected to it. We reject this option
2810 if localLineEditing mode is on (always on in xboard)
2811 and we are talking to port 23, which might be a real
2812 telnet server that will try to keep WILL ECHO on permanently.
2814 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2815 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2816 unsigned char option;
2818 switch ((unsigned char) buf[++i]) {
2820 if (appData.debugMode)
2821 fprintf(debugFP, "\n<WILL ");
2822 switch (option = (unsigned char) buf[++i]) {
2824 if (appData.debugMode)
2825 fprintf(debugFP, "ECHO ");
2826 /* Reply only if this is a change, according
2827 to the protocol rules. */
2828 if (remoteEchoOption) break;
2829 if (appData.localLineEditing &&
2830 atoi(appData.icsPort) == TN_PORT) {
2831 TelnetRequest(TN_DONT, TN_ECHO);
2834 TelnetRequest(TN_DO, TN_ECHO);
2835 remoteEchoOption = TRUE;
2839 if (appData.debugMode)
2840 fprintf(debugFP, "%d ", option);
2841 /* Whatever this is, we don't want it. */
2842 TelnetRequest(TN_DONT, option);
2847 if (appData.debugMode)
2848 fprintf(debugFP, "\n<WONT ");
2849 switch (option = (unsigned char) buf[++i]) {
2851 if (appData.debugMode)
2852 fprintf(debugFP, "ECHO ");
2853 /* Reply only if this is a change, according
2854 to the protocol rules. */
2855 if (!remoteEchoOption) break;
2857 TelnetRequest(TN_DONT, TN_ECHO);
2858 remoteEchoOption = FALSE;
2861 if (appData.debugMode)
2862 fprintf(debugFP, "%d ", (unsigned char) option);
2863 /* Whatever this is, it must already be turned
2864 off, because we never agree to turn on
2865 anything non-default, so according to the
2866 protocol rules, we don't reply. */
2871 if (appData.debugMode)
2872 fprintf(debugFP, "\n<DO ");
2873 switch (option = (unsigned char) buf[++i]) {
2875 /* Whatever this is, we refuse to do it. */
2876 if (appData.debugMode)
2877 fprintf(debugFP, "%d ", option);
2878 TelnetRequest(TN_WONT, option);
2883 if (appData.debugMode)
2884 fprintf(debugFP, "\n<DONT ");
2885 switch (option = (unsigned char) buf[++i]) {
2887 if (appData.debugMode)
2888 fprintf(debugFP, "%d ", option);
2889 /* Whatever this is, we are already not doing
2890 it, because we never agree to do anything
2891 non-default, so according to the protocol
2892 rules, we don't reply. */
2897 if (appData.debugMode)
2898 fprintf(debugFP, "\n<IAC ");
2899 /* Doubled IAC; pass it through */
2903 if (appData.debugMode)
2904 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2905 /* Drop all other telnet commands on the floor */
2908 if (oldi > next_out)
2909 SendToPlayer(&buf[next_out], oldi - next_out);
2915 /* OK, this at least will *usually* work */
2916 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2920 if (loggedOn && !intfSet) {
2921 if (ics_type == ICS_ICC) {
2922 snprintf(str, MSG_SIZ,
2923 "/set-quietly interface %s\n/set-quietly style 12\n",
2925 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2926 strcat(str, "/set-2 51 1\n/set seek 1\n");
2927 } else if (ics_type == ICS_CHESSNET) {
2928 snprintf(str, MSG_SIZ, "/style 12\n");
2930 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2931 strcat(str, programVersion);
2932 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2933 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2934 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2936 strcat(str, "$iset nohighlight 1\n");
2938 strcat(str, "$iset lock 1\n$style 12\n");
2941 NotifyFrontendLogin();
2945 if (started == STARTED_COMMENT) {
2946 /* Accumulate characters in comment */
2947 parse[parse_pos++] = buf[i];
2948 if (buf[i] == '\n') {
2949 parse[parse_pos] = NULLCHAR;
2950 if(chattingPartner>=0) {
2952 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2953 OutputChatMessage(chattingPartner, mess);
2954 chattingPartner = -1;
2955 next_out = i+1; // [HGM] suppress printing in ICS window
2957 if(!suppressKibitz) // [HGM] kibitz
2958 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2959 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2960 int nrDigit = 0, nrAlph = 0, j;
2961 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2962 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2963 parse[parse_pos] = NULLCHAR;
2964 // try to be smart: if it does not look like search info, it should go to
2965 // ICS interaction window after all, not to engine-output window.
2966 for(j=0; j<parse_pos; j++) { // count letters and digits
2967 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2968 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2969 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2971 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2972 int depth=0; float score;
2973 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2974 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2975 pvInfoList[forwardMostMove-1].depth = depth;
2976 pvInfoList[forwardMostMove-1].score = 100*score;
2978 OutputKibitz(suppressKibitz, parse);
2981 if(gameMode == IcsObserving) // restore original ICS messages
2982 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2984 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2985 SendToPlayer(tmp, strlen(tmp));
2987 next_out = i+1; // [HGM] suppress printing in ICS window
2989 started = STARTED_NONE;
2991 /* Don't match patterns against characters in comment */
2996 if (started == STARTED_CHATTER) {
2997 if (buf[i] != '\n') {
2998 /* Don't match patterns against characters in chatter */
3002 started = STARTED_NONE;
3003 if(suppressKibitz) next_out = i+1;
3006 /* Kludge to deal with rcmd protocol */
3007 if (firstTime && looking_at(buf, &i, "\001*")) {
3008 DisplayFatalError(&buf[1], 0, 1);
3014 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3017 if (appData.debugMode)
3018 fprintf(debugFP, "ics_type %d\n", ics_type);
3021 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3022 ics_type = ICS_FICS;
3024 if (appData.debugMode)
3025 fprintf(debugFP, "ics_type %d\n", ics_type);
3028 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3029 ics_type = ICS_CHESSNET;
3031 if (appData.debugMode)
3032 fprintf(debugFP, "ics_type %d\n", ics_type);
3037 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3038 looking_at(buf, &i, "Logging you in as \"*\"") ||
3039 looking_at(buf, &i, "will be \"*\""))) {
3040 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3044 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3046 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3047 DisplayIcsInteractionTitle(buf);
3048 have_set_title = TRUE;
3051 /* skip finger notes */
3052 if (started == STARTED_NONE &&
3053 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3054 (buf[i] == '1' && buf[i+1] == '0')) &&
3055 buf[i+2] == ':' && buf[i+3] == ' ') {
3056 started = STARTED_CHATTER;
3062 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3063 if(appData.seekGraph) {
3064 if(soughtPending && MatchSoughtLine(buf+i)) {
3065 i = strstr(buf+i, "rated") - buf;
3066 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3067 next_out = leftover_start = i;
3068 started = STARTED_CHATTER;
3069 suppressKibitz = TRUE;
3072 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3073 && looking_at(buf, &i, "* ads displayed")) {
3074 soughtPending = FALSE;
3079 if(appData.autoRefresh) {
3080 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3081 int s = (ics_type == ICS_ICC); // ICC format differs
3083 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3084 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3085 looking_at(buf, &i, "*% "); // eat prompt
3086 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3087 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3088 next_out = i; // suppress
3091 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3092 char *p = star_match[0];
3094 if(seekGraphUp) RemoveSeekAd(atoi(p));
3095 while(*p && *p++ != ' '); // next
3097 looking_at(buf, &i, "*% "); // eat prompt
3098 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3105 /* skip formula vars */
3106 if (started == STARTED_NONE &&
3107 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3108 started = STARTED_CHATTER;
3113 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3114 if (appData.autoKibitz && started == STARTED_NONE &&
3115 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3116 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3117 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3118 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3119 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3120 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3121 suppressKibitz = TRUE;
3122 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3124 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3125 && (gameMode == IcsPlayingWhite)) ||
3126 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3127 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3128 started = STARTED_CHATTER; // own kibitz we simply discard
3130 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3131 parse_pos = 0; parse[0] = NULLCHAR;
3132 savingComment = TRUE;
3133 suppressKibitz = gameMode != IcsObserving ? 2 :
3134 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3138 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3139 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3140 && atoi(star_match[0])) {
3141 // suppress the acknowledgements of our own autoKibitz
3143 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3144 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3145 SendToPlayer(star_match[0], strlen(star_match[0]));
3146 if(looking_at(buf, &i, "*% ")) // eat prompt
3147 suppressKibitz = FALSE;
3151 } // [HGM] kibitz: end of patch
3153 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3155 // [HGM] chat: intercept tells by users for which we have an open chat window
3157 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3158 looking_at(buf, &i, "* whispers:") ||
3159 looking_at(buf, &i, "* kibitzes:") ||
3160 looking_at(buf, &i, "* shouts:") ||
3161 looking_at(buf, &i, "* c-shouts:") ||
3162 looking_at(buf, &i, "--> * ") ||
3163 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3164 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3165 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3166 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3168 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3169 chattingPartner = -1;
3171 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3172 for(p=0; p<MAX_CHAT; p++) {
3173 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3174 talker[0] = '['; strcat(talker, "] ");
3175 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3176 chattingPartner = p; break;
3179 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3180 for(p=0; p<MAX_CHAT; p++) {
3181 if(!strcmp("kibitzes", chatPartner[p])) {
3182 talker[0] = '['; strcat(talker, "] ");
3183 chattingPartner = p; break;
3186 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3187 for(p=0; p<MAX_CHAT; p++) {
3188 if(!strcmp("whispers", chatPartner[p])) {
3189 talker[0] = '['; strcat(talker, "] ");
3190 chattingPartner = p; break;
3193 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3194 if(buf[i-8] == '-' && buf[i-3] == 't')
3195 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3196 if(!strcmp("c-shouts", chatPartner[p])) {
3197 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3198 chattingPartner = p; break;
3201 if(chattingPartner < 0)
3202 for(p=0; p<MAX_CHAT; p++) {
3203 if(!strcmp("shouts", chatPartner[p])) {
3204 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3205 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3206 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3207 chattingPartner = p; break;
3211 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3212 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3213 talker[0] = 0; Colorize(ColorTell, FALSE);
3214 chattingPartner = p; break;
3216 if(chattingPartner<0) i = oldi; else {
3217 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3218 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3219 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3220 started = STARTED_COMMENT;
3221 parse_pos = 0; parse[0] = NULLCHAR;
3222 savingComment = 3 + chattingPartner; // counts as TRUE
3223 suppressKibitz = TRUE;
3226 } // [HGM] chat: end of patch
3229 if (appData.zippyTalk || appData.zippyPlay) {
3230 /* [DM] Backup address for color zippy lines */
3232 if (loggedOn == TRUE)
3233 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3234 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3236 } // [DM] 'else { ' deleted
3238 /* Regular tells and says */
3239 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3240 looking_at(buf, &i, "* (your partner) tells you: ") ||
3241 looking_at(buf, &i, "* says: ") ||
3242 /* Don't color "message" or "messages" output */
3243 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3244 looking_at(buf, &i, "*. * at *:*: ") ||
3245 looking_at(buf, &i, "--* (*:*): ") ||
3246 /* Message notifications (same color as tells) */
3247 looking_at(buf, &i, "* has left a message ") ||
3248 looking_at(buf, &i, "* just sent you a message:\n") ||
3249 /* Whispers and kibitzes */
3250 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3251 looking_at(buf, &i, "* kibitzes: ") ||
3253 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3255 if (tkind == 1 && strchr(star_match[0], ':')) {
3256 /* Avoid "tells you:" spoofs in channels */
3259 if (star_match[0][0] == NULLCHAR ||
3260 strchr(star_match[0], ' ') ||
3261 (tkind == 3 && strchr(star_match[1], ' '))) {
3262 /* Reject bogus matches */
3265 if (appData.colorize) {
3266 if (oldi > next_out) {
3267 SendToPlayer(&buf[next_out], oldi - next_out);
3272 Colorize(ColorTell, FALSE);
3273 curColor = ColorTell;
3276 Colorize(ColorKibitz, FALSE);
3277 curColor = ColorKibitz;
3280 p = strrchr(star_match[1], '(');
3287 Colorize(ColorChannel1, FALSE);
3288 curColor = ColorChannel1;
3290 Colorize(ColorChannel, FALSE);
3291 curColor = ColorChannel;
3295 curColor = ColorNormal;
3299 if (started == STARTED_NONE && appData.autoComment &&
3300 (gameMode == IcsObserving ||
3301 gameMode == IcsPlayingWhite ||
3302 gameMode == IcsPlayingBlack)) {
3303 parse_pos = i - oldi;
3304 memcpy(parse, &buf[oldi], parse_pos);
3305 parse[parse_pos] = NULLCHAR;
3306 started = STARTED_COMMENT;
3307 savingComment = TRUE;
3309 started = STARTED_CHATTER;
3310 savingComment = FALSE;
3317 if (looking_at(buf, &i, "* s-shouts: ") ||
3318 looking_at(buf, &i, "* c-shouts: ")) {
3319 if (appData.colorize) {
3320 if (oldi > next_out) {
3321 SendToPlayer(&buf[next_out], oldi - next_out);
3324 Colorize(ColorSShout, FALSE);
3325 curColor = ColorSShout;
3328 started = STARTED_CHATTER;
3332 if (looking_at(buf, &i, "--->")) {
3337 if (looking_at(buf, &i, "* shouts: ") ||
3338 looking_at(buf, &i, "--> ")) {
3339 if (appData.colorize) {
3340 if (oldi > next_out) {
3341 SendToPlayer(&buf[next_out], oldi - next_out);
3344 Colorize(ColorShout, FALSE);
3345 curColor = ColorShout;
3348 started = STARTED_CHATTER;
3352 if (looking_at( buf, &i, "Challenge:")) {
3353 if (appData.colorize) {
3354 if (oldi > next_out) {
3355 SendToPlayer(&buf[next_out], oldi - next_out);
3358 Colorize(ColorChallenge, FALSE);
3359 curColor = ColorChallenge;
3365 if (looking_at(buf, &i, "* offers you") ||
3366 looking_at(buf, &i, "* offers to be") ||
3367 looking_at(buf, &i, "* would like to") ||
3368 looking_at(buf, &i, "* requests to") ||
3369 looking_at(buf, &i, "Your opponent offers") ||
3370 looking_at(buf, &i, "Your opponent requests")) {
3372 if (appData.colorize) {
3373 if (oldi > next_out) {
3374 SendToPlayer(&buf[next_out], oldi - next_out);
3377 Colorize(ColorRequest, FALSE);
3378 curColor = ColorRequest;
3383 if (looking_at(buf, &i, "* (*) seeking")) {
3384 if (appData.colorize) {
3385 if (oldi > next_out) {
3386 SendToPlayer(&buf[next_out], oldi - next_out);
3389 Colorize(ColorSeek, FALSE);
3390 curColor = ColorSeek;
3395 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3397 if (looking_at(buf, &i, "\\ ")) {
3398 if (prevColor != ColorNormal) {
3399 if (oldi > next_out) {
3400 SendToPlayer(&buf[next_out], oldi - next_out);
3403 Colorize(prevColor, TRUE);
3404 curColor = prevColor;
3406 if (savingComment) {
3407 parse_pos = i - oldi;
3408 memcpy(parse, &buf[oldi], parse_pos);
3409 parse[parse_pos] = NULLCHAR;
3410 started = STARTED_COMMENT;
3411 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3412 chattingPartner = savingComment - 3; // kludge to remember the box
3414 started = STARTED_CHATTER;
3419 if (looking_at(buf, &i, "Black Strength :") ||
3420 looking_at(buf, &i, "<<< style 10 board >>>") ||
3421 looking_at(buf, &i, "<10>") ||
3422 looking_at(buf, &i, "#@#")) {
3423 /* Wrong board style */
3425 SendToICS(ics_prefix);
3426 SendToICS("set style 12\n");
3427 SendToICS(ics_prefix);
3428 SendToICS("refresh\n");
3432 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3434 have_sent_ICS_logon = 1;
3438 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3439 (looking_at(buf, &i, "\n<12> ") ||
3440 looking_at(buf, &i, "<12> "))) {
3442 if (oldi > next_out) {
3443 SendToPlayer(&buf[next_out], oldi - next_out);
3446 started = STARTED_BOARD;
3451 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3452 looking_at(buf, &i, "<b1> ")) {
3453 if (oldi > next_out) {
3454 SendToPlayer(&buf[next_out], oldi - next_out);
3457 started = STARTED_HOLDINGS;
3462 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3464 /* Header for a move list -- first line */
3466 switch (ics_getting_history) {
3470 case BeginningOfGame:
3471 /* User typed "moves" or "oldmoves" while we
3472 were idle. Pretend we asked for these
3473 moves and soak them up so user can step
3474 through them and/or save them.
3477 gameMode = IcsObserving;
3480 ics_getting_history = H_GOT_UNREQ_HEADER;
3482 case EditGame: /*?*/
3483 case EditPosition: /*?*/
3484 /* Should above feature work in these modes too? */
3485 /* For now it doesn't */
3486 ics_getting_history = H_GOT_UNWANTED_HEADER;
3489 ics_getting_history = H_GOT_UNWANTED_HEADER;
3494 /* Is this the right one? */
3495 if (gameInfo.white && gameInfo.black &&
3496 strcmp(gameInfo.white, star_match[0]) == 0 &&
3497 strcmp(gameInfo.black, star_match[2]) == 0) {
3499 ics_getting_history = H_GOT_REQ_HEADER;
3502 case H_GOT_REQ_HEADER:
3503 case H_GOT_UNREQ_HEADER:
3504 case H_GOT_UNWANTED_HEADER:
3505 case H_GETTING_MOVES:
3506 /* Should not happen */
3507 DisplayError(_("Error gathering move list: two headers"), 0);
3508 ics_getting_history = H_FALSE;
3512 /* Save player ratings into gameInfo if needed */
3513 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3514 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3515 (gameInfo.whiteRating == -1 ||
3516 gameInfo.blackRating == -1)) {
3518 gameInfo.whiteRating = string_to_rating(star_match[1]);
3519 gameInfo.blackRating = string_to_rating(star_match[3]);
3520 if (appData.debugMode)
3521 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3522 gameInfo.whiteRating, gameInfo.blackRating);
3527 if (looking_at(buf, &i,
3528 "* * match, initial time: * minute*, increment: * second")) {
3529 /* Header for a move list -- second line */
3530 /* Initial board will follow if this is a wild game */
3531 if (gameInfo.event != NULL) free(gameInfo.event);
3532 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3533 gameInfo.event = StrSave(str);
3534 /* [HGM] we switched variant. Translate boards if needed. */
3535 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3539 if (looking_at(buf, &i, "Move ")) {
3540 /* Beginning of a move list */
3541 switch (ics_getting_history) {
3543 /* Normally should not happen */
3544 /* Maybe user hit reset while we were parsing */
3547 /* Happens if we are ignoring a move list that is not
3548 * the one we just requested. Common if the user
3549 * tries to observe two games without turning off
3552 case H_GETTING_MOVES:
3553 /* Should not happen */
3554 DisplayError(_("Error gathering move list: nested"), 0);
3555 ics_getting_history = H_FALSE;
3557 case H_GOT_REQ_HEADER:
3558 ics_getting_history = H_GETTING_MOVES;
3559 started = STARTED_MOVES;
3561 if (oldi > next_out) {
3562 SendToPlayer(&buf[next_out], oldi - next_out);
3565 case H_GOT_UNREQ_HEADER:
3566 ics_getting_history = H_GETTING_MOVES;
3567 started = STARTED_MOVES_NOHIDE;
3570 case H_GOT_UNWANTED_HEADER:
3571 ics_getting_history = H_FALSE;
3577 if (looking_at(buf, &i, "% ") ||
3578 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3579 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3580 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3581 soughtPending = FALSE;
3585 if(suppressKibitz) next_out = i;
3586 savingComment = FALSE;
3590 case STARTED_MOVES_NOHIDE:
3591 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3592 parse[parse_pos + i - oldi] = NULLCHAR;
3593 ParseGameHistory(parse);
3595 if (appData.zippyPlay && first.initDone) {
3596 FeedMovesToProgram(&first, forwardMostMove);
3597 if (gameMode == IcsPlayingWhite) {
3598 if (WhiteOnMove(forwardMostMove)) {
3599 if (first.sendTime) {
3600 if (first.useColors) {
3601 SendToProgram("black\n", &first);
3603 SendTimeRemaining(&first, TRUE);
3605 if (first.useColors) {
3606 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3608 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3609 first.maybeThinking = TRUE;
3611 if (first.usePlayother) {
3612 if (first.sendTime) {
3613 SendTimeRemaining(&first, TRUE);
3615 SendToProgram("playother\n", &first);
3621 } else if (gameMode == IcsPlayingBlack) {
3622 if (!WhiteOnMove(forwardMostMove)) {
3623 if (first.sendTime) {
3624 if (first.useColors) {
3625 SendToProgram("white\n", &first);
3627 SendTimeRemaining(&first, FALSE);
3629 if (first.useColors) {
3630 SendToProgram("black\n", &first);
3632 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3633 first.maybeThinking = TRUE;
3635 if (first.usePlayother) {
3636 if (first.sendTime) {
3637 SendTimeRemaining(&first, FALSE);
3639 SendToProgram("playother\n", &first);
3648 if (gameMode == IcsObserving && ics_gamenum == -1) {
3649 /* Moves came from oldmoves or moves command
3650 while we weren't doing anything else.
3652 currentMove = forwardMostMove;
3653 ClearHighlights();/*!!could figure this out*/
3654 flipView = appData.flipView;
3655 DrawPosition(TRUE, boards[currentMove]);
3656 DisplayBothClocks();
3657 snprintf(str, MSG_SIZ, "%s %s %s",
3658 gameInfo.white, _("vs."), gameInfo.black);
3662 /* Moves were history of an active game */
3663 if (gameInfo.resultDetails != NULL) {
3664 free(gameInfo.resultDetails);
3665 gameInfo.resultDetails = NULL;
3668 HistorySet(parseList, backwardMostMove,
3669 forwardMostMove, currentMove-1);
3670 DisplayMove(currentMove - 1);
3671 if (started == STARTED_MOVES) next_out = i;
3672 started = STARTED_NONE;
3673 ics_getting_history = H_FALSE;
3676 case STARTED_OBSERVE:
3677 started = STARTED_NONE;
3678 SendToICS(ics_prefix);
3679 SendToICS("refresh\n");
3685 if(bookHit) { // [HGM] book: simulate book reply
3686 static char bookMove[MSG_SIZ]; // a bit generous?
3688 programStats.nodes = programStats.depth = programStats.time =
3689 programStats.score = programStats.got_only_move = 0;
3690 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3692 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3693 strcat(bookMove, bookHit);
3694 HandleMachineMove(bookMove, &first);
3699 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3700 started == STARTED_HOLDINGS ||
3701 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3702 /* Accumulate characters in move list or board */
3703 parse[parse_pos++] = buf[i];
3706 /* Start of game messages. Mostly we detect start of game
3707 when the first board image arrives. On some versions
3708 of the ICS, though, we need to do a "refresh" after starting
3709 to observe in order to get the current board right away. */
3710 if (looking_at(buf, &i, "Adding game * to observation list")) {
3711 started = STARTED_OBSERVE;
3715 /* Handle auto-observe */
3716 if (appData.autoObserve &&
3717 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3718 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3720 /* Choose the player that was highlighted, if any. */
3721 if (star_match[0][0] == '\033' ||
3722 star_match[1][0] != '\033') {
3723 player = star_match[0];
3725 player = star_match[2];
3727 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3728 ics_prefix, StripHighlightAndTitle(player));
3731 /* Save ratings from notify string */
3732 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3733 player1Rating = string_to_rating(star_match[1]);
3734 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3735 player2Rating = string_to_rating(star_match[3]);
3737 if (appData.debugMode)
3739 "Ratings from 'Game notification:' %s %d, %s %d\n",
3740 player1Name, player1Rating,
3741 player2Name, player2Rating);
3746 /* Deal with automatic examine mode after a game,
3747 and with IcsObserving -> IcsExamining transition */
3748 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3749 looking_at(buf, &i, "has made you an examiner of game *")) {
3751 int gamenum = atoi(star_match[0]);
3752 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3753 gamenum == ics_gamenum) {
3754 /* We were already playing or observing this game;
3755 no need to refetch history */
3756 gameMode = IcsExamining;
3758 pauseExamForwardMostMove = forwardMostMove;
3759 } else if (currentMove < forwardMostMove) {
3760 ForwardInner(forwardMostMove);
3763 /* I don't think this case really can happen */
3764 SendToICS(ics_prefix);
3765 SendToICS("refresh\n");
3770 /* Error messages */
3771 // if (ics_user_moved) {
3772 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3773 if (looking_at(buf, &i, "Illegal move") ||
3774 looking_at(buf, &i, "Not a legal move") ||
3775 looking_at(buf, &i, "Your king is in check") ||
3776 looking_at(buf, &i, "It isn't your turn") ||
3777 looking_at(buf, &i, "It is not your move")) {
3779 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3780 currentMove = forwardMostMove-1;
3781 DisplayMove(currentMove - 1); /* before DMError */
3782 DrawPosition(FALSE, boards[currentMove]);
3783 SwitchClocks(forwardMostMove-1); // [HGM] race
3784 DisplayBothClocks();
3786 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3792 if (looking_at(buf, &i, "still have time") ||
3793 looking_at(buf, &i, "not out of time") ||
3794 looking_at(buf, &i, "either player is out of time") ||
3795 looking_at(buf, &i, "has timeseal; checking")) {
3796 /* We must have called his flag a little too soon */
3797 whiteFlag = blackFlag = FALSE;
3801 if (looking_at(buf, &i, "added * seconds to") ||
3802 looking_at(buf, &i, "seconds were added to")) {
3803 /* Update the clocks */
3804 SendToICS(ics_prefix);
3805 SendToICS("refresh\n");
3809 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3810 ics_clock_paused = TRUE;
3815 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3816 ics_clock_paused = FALSE;
3821 /* Grab player ratings from the Creating: message.
3822 Note we have to check for the special case when
3823 the ICS inserts things like [white] or [black]. */
3824 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3825 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3827 0 player 1 name (not necessarily white)
3829 2 empty, white, or black (IGNORED)
3830 3 player 2 name (not necessarily black)
3833 The names/ratings are sorted out when the game
3834 actually starts (below).
3836 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3837 player1Rating = string_to_rating(star_match[1]);
3838 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3839 player2Rating = string_to_rating(star_match[4]);
3841 if (appData.debugMode)
3843 "Ratings from 'Creating:' %s %d, %s %d\n",
3844 player1Name, player1Rating,
3845 player2Name, player2Rating);
3850 /* Improved generic start/end-of-game messages */
3851 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3852 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3853 /* If tkind == 0: */
3854 /* star_match[0] is the game number */
3855 /* [1] is the white player's name */
3856 /* [2] is the black player's name */
3857 /* For end-of-game: */
3858 /* [3] is the reason for the game end */
3859 /* [4] is a PGN end game-token, preceded by " " */
3860 /* For start-of-game: */
3861 /* [3] begins with "Creating" or "Continuing" */
3862 /* [4] is " *" or empty (don't care). */
3863 int gamenum = atoi(star_match[0]);
3864 char *whitename, *blackname, *why, *endtoken;
3865 ChessMove endtype = EndOfFile;
3868 whitename = star_match[1];
3869 blackname = star_match[2];
3870 why = star_match[3];
3871 endtoken = star_match[4];
3873 whitename = star_match[1];
3874 blackname = star_match[3];
3875 why = star_match[5];
3876 endtoken = star_match[6];
3879 /* Game start messages */
3880 if (strncmp(why, "Creating ", 9) == 0 ||
3881 strncmp(why, "Continuing ", 11) == 0) {
3882 gs_gamenum = gamenum;
3883 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3884 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3885 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3887 if (appData.zippyPlay) {
3888 ZippyGameStart(whitename, blackname);
3891 partnerBoardValid = FALSE; // [HGM] bughouse
3895 /* Game end messages */
3896 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3897 ics_gamenum != gamenum) {
3900 while (endtoken[0] == ' ') endtoken++;
3901 switch (endtoken[0]) {
3904 endtype = GameUnfinished;
3907 endtype = BlackWins;
3910 if (endtoken[1] == '/')
3911 endtype = GameIsDrawn;
3913 endtype = WhiteWins;
3916 GameEnds(endtype, why, GE_ICS);
3918 if (appData.zippyPlay && first.initDone) {
3919 ZippyGameEnd(endtype, why);
3920 if (first.pr == NoProc) {
3921 /* Start the next process early so that we'll
3922 be ready for the next challenge */
3923 StartChessProgram(&first);
3925 /* Send "new" early, in case this command takes
3926 a long time to finish, so that we'll be ready
3927 for the next challenge. */
3928 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3932 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3936 if (looking_at(buf, &i, "Removing game * from observation") ||
3937 looking_at(buf, &i, "no longer observing game *") ||
3938 looking_at(buf, &i, "Game * (*) has no examiners")) {
3939 if (gameMode == IcsObserving &&
3940 atoi(star_match[0]) == ics_gamenum)
3942 /* icsEngineAnalyze */
3943 if (appData.icsEngineAnalyze) {
3950 ics_user_moved = FALSE;
3955 if (looking_at(buf, &i, "no longer examining game *")) {
3956 if (gameMode == IcsExamining &&
3957 atoi(star_match[0]) == ics_gamenum)
3961 ics_user_moved = FALSE;
3966 /* Advance leftover_start past any newlines we find,
3967 so only partial lines can get reparsed */
3968 if (looking_at(buf, &i, "\n")) {
3969 prevColor = curColor;
3970 if (curColor != ColorNormal) {
3971 if (oldi > next_out) {
3972 SendToPlayer(&buf[next_out], oldi - next_out);
3975 Colorize(ColorNormal, FALSE);
3976 curColor = ColorNormal;
3978 if (started == STARTED_BOARD) {
3979 started = STARTED_NONE;
3980 parse[parse_pos] = NULLCHAR;
3981 ParseBoard12(parse);
3984 /* Send premove here */
3985 if (appData.premove) {
3987 if (currentMove == 0 &&
3988 gameMode == IcsPlayingWhite &&
3989 appData.premoveWhite) {
3990 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3991 if (appData.debugMode)
3992 fprintf(debugFP, "Sending premove:\n");
3994 } else if (currentMove == 1 &&
3995 gameMode == IcsPlayingBlack &&
3996 appData.premoveBlack) {
3997 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3998 if (appData.debugMode)
3999 fprintf(debugFP, "Sending premove:\n");
4001 } else if (gotPremove) {
4003 ClearPremoveHighlights();
4004 if (appData.debugMode)
4005 fprintf(debugFP, "Sending premove:\n");
4006 UserMoveEvent(premoveFromX, premoveFromY,
4007 premoveToX, premoveToY,
4012 /* Usually suppress following prompt */
4013 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4014 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4015 if (looking_at(buf, &i, "*% ")) {
4016 savingComment = FALSE;
4021 } else if (started == STARTED_HOLDINGS) {
4023 char new_piece[MSG_SIZ];
4024 started = STARTED_NONE;
4025 parse[parse_pos] = NULLCHAR;
4026 if (appData.debugMode)
4027 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4028 parse, currentMove);
4029 if (sscanf(parse, " game %d", &gamenum) == 1) {
4030 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4031 if (gameInfo.variant == VariantNormal) {
4032 /* [HGM] We seem to switch variant during a game!
4033 * Presumably no holdings were displayed, so we have
4034 * to move the position two files to the right to
4035 * create room for them!
4037 VariantClass newVariant;
4038 switch(gameInfo.boardWidth) { // base guess on board width
4039 case 9: newVariant = VariantShogi; break;
4040 case 10: newVariant = VariantGreat; break;
4041 default: newVariant = VariantCrazyhouse; break;
4043 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4044 /* Get a move list just to see the header, which
4045 will tell us whether this is really bug or zh */
4046 if (ics_getting_history == H_FALSE) {
4047 ics_getting_history = H_REQUESTED;
4048 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4052 new_piece[0] = NULLCHAR;
4053 sscanf(parse, "game %d white [%s black [%s <- %s",
4054 &gamenum, white_holding, black_holding,
4056 white_holding[strlen(white_holding)-1] = NULLCHAR;
4057 black_holding[strlen(black_holding)-1] = NULLCHAR;
4058 /* [HGM] copy holdings to board holdings area */
4059 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4060 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4061 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4063 if (appData.zippyPlay && first.initDone) {
4064 ZippyHoldings(white_holding, black_holding,
4068 if (tinyLayout || smallLayout) {
4069 char wh[16], bh[16];
4070 PackHolding(wh, white_holding);
4071 PackHolding(bh, black_holding);
4072 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4073 gameInfo.white, gameInfo.black);
4075 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4076 gameInfo.white, white_holding, _("vs."),
4077 gameInfo.black, black_holding);
4079 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4080 DrawPosition(FALSE, boards[currentMove]);
4082 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4083 sscanf(parse, "game %d white [%s black [%s <- %s",
4084 &gamenum, white_holding, black_holding,
4086 white_holding[strlen(white_holding)-1] = NULLCHAR;
4087 black_holding[strlen(black_holding)-1] = NULLCHAR;
4088 /* [HGM] copy holdings to partner-board holdings area */
4089 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4090 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4091 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4092 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4093 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4096 /* Suppress following prompt */
4097 if (looking_at(buf, &i, "*% ")) {
4098 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4099 savingComment = FALSE;
4107 i++; /* skip unparsed character and loop back */
4110 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4111 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4112 // SendToPlayer(&buf[next_out], i - next_out);
4113 started != STARTED_HOLDINGS && leftover_start > next_out) {
4114 SendToPlayer(&buf[next_out], leftover_start - next_out);
4118 leftover_len = buf_len - leftover_start;
4119 /* if buffer ends with something we couldn't parse,
4120 reparse it after appending the next read */
4122 } else if (count == 0) {
4123 RemoveInputSource(isr);
4124 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4126 DisplayFatalError(_("Error reading from ICS"), error, 1);
4131 /* Board style 12 looks like this:
4133 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4135 * The "<12> " is stripped before it gets to this routine. The two
4136 * trailing 0's (flip state and clock ticking) are later addition, and
4137 * some chess servers may not have them, or may have only the first.
4138 * Additional trailing fields may be added in the future.
4141 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4143 #define RELATION_OBSERVING_PLAYED 0
4144 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4145 #define RELATION_PLAYING_MYMOVE 1
4146 #define RELATION_PLAYING_NOTMYMOVE -1
4147 #define RELATION_EXAMINING 2
4148 #define RELATION_ISOLATED_BOARD -3
4149 #define RELATION_STARTING_POSITION -4 /* FICS only */
4152 ParseBoard12 (char *string)
4154 GameMode newGameMode;
4155 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4156 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4157 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4158 char to_play, board_chars[200];
4159 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4160 char black[32], white[32];
4162 int prevMove = currentMove;
4165 int fromX, fromY, toX, toY;
4167 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4168 char *bookHit = NULL; // [HGM] book
4169 Boolean weird = FALSE, reqFlag = FALSE;
4171 fromX = fromY = toX = toY = -1;
4175 if (appData.debugMode)
4176 fprintf(debugFP, _("Parsing board: %s\n"), string);
4178 move_str[0] = NULLCHAR;
4179 elapsed_time[0] = NULLCHAR;
4180 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4182 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4183 if(string[i] == ' ') { ranks++; files = 0; }
4185 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4188 for(j = 0; j <i; j++) board_chars[j] = string[j];
4189 board_chars[i] = '\0';
4192 n = sscanf(string, PATTERN, &to_play, &double_push,
4193 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4194 &gamenum, white, black, &relation, &basetime, &increment,
4195 &white_stren, &black_stren, &white_time, &black_time,
4196 &moveNum, str, elapsed_time, move_str, &ics_flip,
4200 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4201 DisplayError(str, 0);
4205 /* Convert the move number to internal form */
4206 moveNum = (moveNum - 1) * 2;
4207 if (to_play == 'B') moveNum++;
4208 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4209 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4215 case RELATION_OBSERVING_PLAYED:
4216 case RELATION_OBSERVING_STATIC:
4217 if (gamenum == -1) {
4218 /* Old ICC buglet */
4219 relation = RELATION_OBSERVING_STATIC;
4221 newGameMode = IcsObserving;
4223 case RELATION_PLAYING_MYMOVE:
4224 case RELATION_PLAYING_NOTMYMOVE:
4226 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4227 IcsPlayingWhite : IcsPlayingBlack;
4228 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4230 case RELATION_EXAMINING:
4231 newGameMode = IcsExamining;
4233 case RELATION_ISOLATED_BOARD:
4235 /* Just display this board. If user was doing something else,
4236 we will forget about it until the next board comes. */
4237 newGameMode = IcsIdle;
4239 case RELATION_STARTING_POSITION:
4240 newGameMode = gameMode;
4244 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4245 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4246 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4247 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4248 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4249 static int lastBgGame = -1;
4251 for (k = 0; k < ranks; k++) {
4252 for (j = 0; j < files; j++)
4253 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4254 if(gameInfo.holdingsWidth > 1) {
4255 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4256 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4259 CopyBoard(partnerBoard, board);
4260 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4261 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4262 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4263 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4264 if(toSqr = strchr(str, '-')) {
4265 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4266 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4267 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4268 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4269 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4270 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4272 DisplayWhiteClock(white_time*fac, to_play == 'W');
4273 DisplayBlackClock(black_time*fac, to_play != 'W');
4274 activePartner = to_play;
4275 if(gamenum != lastBgGame) {
4277 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4280 lastBgGame = gamenum;
4281 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4282 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4283 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4284 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4285 DisplayMessage(partnerStatus, "");
4286 partnerBoardValid = TRUE;
4290 if(appData.dualBoard && appData.bgObserve) {
4291 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4292 SendToICS(ics_prefix), SendToICS("pobserve\n");
4293 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4295 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4300 /* Modify behavior for initial board display on move listing
4303 switch (ics_getting_history) {
4307 case H_GOT_REQ_HEADER:
4308 case H_GOT_UNREQ_HEADER:
4309 /* This is the initial position of the current game */
4310 gamenum = ics_gamenum;
4311 moveNum = 0; /* old ICS bug workaround */
4312 if (to_play == 'B') {
4313 startedFromSetupPosition = TRUE;
4314 blackPlaysFirst = TRUE;
4316 if (forwardMostMove == 0) forwardMostMove = 1;
4317 if (backwardMostMove == 0) backwardMostMove = 1;
4318 if (currentMove == 0) currentMove = 1;
4320 newGameMode = gameMode;
4321 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4323 case H_GOT_UNWANTED_HEADER:
4324 /* This is an initial board that we don't want */
4326 case H_GETTING_MOVES:
4327 /* Should not happen */
4328 DisplayError(_("Error gathering move list: extra board"), 0);
4329 ics_getting_history = H_FALSE;
4333 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4334 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4335 weird && (int)gameInfo.variant < (int)VariantShogi) {
4336 /* [HGM] We seem to have switched variant unexpectedly
4337 * Try to guess new variant from board size
4339 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4340 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4341 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4342 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4343 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4344 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4345 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4346 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4347 /* Get a move list just to see the header, which
4348 will tell us whether this is really bug or zh */
4349 if (ics_getting_history == H_FALSE) {
4350 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4351 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4356 /* Take action if this is the first board of a new game, or of a
4357 different game than is currently being displayed. */
4358 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4359 relation == RELATION_ISOLATED_BOARD) {
4361 /* Forget the old game and get the history (if any) of the new one */
4362 if (gameMode != BeginningOfGame) {
4366 if (appData.autoRaiseBoard) BoardToTop();
4368 if (gamenum == -1) {
4369 newGameMode = IcsIdle;
4370 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4371 appData.getMoveList && !reqFlag) {
4372 /* Need to get game history */
4373 ics_getting_history = H_REQUESTED;
4374 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4378 /* Initially flip the board to have black on the bottom if playing
4379 black or if the ICS flip flag is set, but let the user change
4380 it with the Flip View button. */
4381 flipView = appData.autoFlipView ?
4382 (newGameMode == IcsPlayingBlack) || ics_flip :
4385 /* Done with values from previous mode; copy in new ones */
4386 gameMode = newGameMode;
4388 ics_gamenum = gamenum;
4389 if (gamenum == gs_gamenum) {
4390 int klen = strlen(gs_kind);
4391 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4392 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4393 gameInfo.event = StrSave(str);
4395 gameInfo.event = StrSave("ICS game");
4397 gameInfo.site = StrSave(appData.icsHost);
4398 gameInfo.date = PGNDate();
4399 gameInfo.round = StrSave("-");
4400 gameInfo.white = StrSave(white);
4401 gameInfo.black = StrSave(black);
4402 timeControl = basetime * 60 * 1000;
4404 timeIncrement = increment * 1000;
4405 movesPerSession = 0;
4406 gameInfo.timeControl = TimeControlTagValue();
4407 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4408 if (appData.debugMode) {
4409 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4410 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4411 setbuf(debugFP, NULL);
4414 gameInfo.outOfBook = NULL;
4416 /* Do we have the ratings? */
4417 if (strcmp(player1Name, white) == 0 &&
4418 strcmp(player2Name, black) == 0) {
4419 if (appData.debugMode)
4420 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4421 player1Rating, player2Rating);
4422 gameInfo.whiteRating = player1Rating;
4423 gameInfo.blackRating = player2Rating;
4424 } else if (strcmp(player2Name, white) == 0 &&
4425 strcmp(player1Name, black) == 0) {
4426 if (appData.debugMode)
4427 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4428 player2Rating, player1Rating);
4429 gameInfo.whiteRating = player2Rating;
4430 gameInfo.blackRating = player1Rating;
4432 player1Name[0] = player2Name[0] = NULLCHAR;
4434 /* Silence shouts if requested */
4435 if (appData.quietPlay &&
4436 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4437 SendToICS(ics_prefix);
4438 SendToICS("set shout 0\n");
4442 /* Deal with midgame name changes */
4444 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4445 if (gameInfo.white) free(gameInfo.white);
4446 gameInfo.white = StrSave(white);
4448 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4449 if (gameInfo.black) free(gameInfo.black);
4450 gameInfo.black = StrSave(black);
4454 /* Throw away game result if anything actually changes in examine mode */
4455 if (gameMode == IcsExamining && !newGame) {
4456 gameInfo.result = GameUnfinished;
4457 if (gameInfo.resultDetails != NULL) {
4458 free(gameInfo.resultDetails);
4459 gameInfo.resultDetails = NULL;
4463 /* In pausing && IcsExamining mode, we ignore boards coming
4464 in if they are in a different variation than we are. */
4465 if (pauseExamInvalid) return;
4466 if (pausing && gameMode == IcsExamining) {
4467 if (moveNum <= pauseExamForwardMostMove) {
4468 pauseExamInvalid = TRUE;
4469 forwardMostMove = pauseExamForwardMostMove;
4474 if (appData.debugMode) {
4475 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4477 /* Parse the board */
4478 for (k = 0; k < ranks; k++) {
4479 for (j = 0; j < files; j++)
4480 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4481 if(gameInfo.holdingsWidth > 1) {
4482 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4483 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4486 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4487 board[5][BOARD_RGHT+1] = WhiteAngel;
4488 board[6][BOARD_RGHT+1] = WhiteMarshall;
4489 board[1][0] = BlackMarshall;
4490 board[2][0] = BlackAngel;
4491 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4493 CopyBoard(boards[moveNum], board);
4494 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4496 startedFromSetupPosition =
4497 !CompareBoards(board, initialPosition);
4498 if(startedFromSetupPosition)
4499 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4502 /* [HGM] Set castling rights. Take the outermost Rooks,
4503 to make it also work for FRC opening positions. Note that board12
4504 is really defective for later FRC positions, as it has no way to
4505 indicate which Rook can castle if they are on the same side of King.
4506 For the initial position we grant rights to the outermost Rooks,
4507 and remember thos rights, and we then copy them on positions
4508 later in an FRC game. This means WB might not recognize castlings with
4509 Rooks that have moved back to their original position as illegal,
4510 but in ICS mode that is not its job anyway.
4512 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4513 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4515 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4516 if(board[0][i] == WhiteRook) j = i;
4517 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4518 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4519 if(board[0][i] == WhiteRook) j = i;
4520 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4521 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4522 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4523 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4524 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4525 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4526 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4528 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4529 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4530 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4531 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4532 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4533 if(board[BOARD_HEIGHT-1][k] == bKing)
4534 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4535 if(gameInfo.variant == VariantTwoKings) {
4536 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4537 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4538 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4541 r = boards[moveNum][CASTLING][0] = initialRights[0];
4542 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4543 r = boards[moveNum][CASTLING][1] = initialRights[1];
4544 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4545 r = boards[moveNum][CASTLING][3] = initialRights[3];
4546 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4547 r = boards[moveNum][CASTLING][4] = initialRights[4];
4548 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4549 /* wildcastle kludge: always assume King has rights */
4550 r = boards[moveNum][CASTLING][2] = initialRights[2];
4551 r = boards[moveNum][CASTLING][5] = initialRights[5];
4553 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4554 boards[moveNum][EP_STATUS] = EP_NONE;
4555 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4556 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4557 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4560 if (ics_getting_history == H_GOT_REQ_HEADER ||
4561 ics_getting_history == H_GOT_UNREQ_HEADER) {
4562 /* This was an initial position from a move list, not
4563 the current position */
4567 /* Update currentMove and known move number limits */
4568 newMove = newGame || moveNum > forwardMostMove;
4571 forwardMostMove = backwardMostMove = currentMove = moveNum;
4572 if (gameMode == IcsExamining && moveNum == 0) {
4573 /* Workaround for ICS limitation: we are not told the wild
4574 type when starting to examine a game. But if we ask for
4575 the move list, the move list header will tell us */
4576 ics_getting_history = H_REQUESTED;
4577 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4580 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4581 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4583 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4584 /* [HGM] applied this also to an engine that is silently watching */
4585 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4586 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4587 gameInfo.variant == currentlyInitializedVariant) {
4588 takeback = forwardMostMove - moveNum;
4589 for (i = 0; i < takeback; i++) {
4590 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4591 SendToProgram("undo\n", &first);
4596 forwardMostMove = moveNum;
4597 if (!pausing || currentMove > forwardMostMove)
4598 currentMove = forwardMostMove;
4600 /* New part of history that is not contiguous with old part */
4601 if (pausing && gameMode == IcsExamining) {
4602 pauseExamInvalid = TRUE;
4603 forwardMostMove = pauseExamForwardMostMove;
4606 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4608 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4609 // [HGM] when we will receive the move list we now request, it will be
4610 // fed to the engine from the first move on. So if the engine is not
4611 // in the initial position now, bring it there.
4612 InitChessProgram(&first, 0);
4615 ics_getting_history = H_REQUESTED;
4616 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4619 forwardMostMove = backwardMostMove = currentMove = moveNum;
4622 /* Update the clocks */
4623 if (strchr(elapsed_time, '.')) {
4625 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4626 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4628 /* Time is in seconds */
4629 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4630 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4635 if (appData.zippyPlay && newGame &&
4636 gameMode != IcsObserving && gameMode != IcsIdle &&
4637 gameMode != IcsExamining)
4638 ZippyFirstBoard(moveNum, basetime, increment);
4641 /* Put the move on the move list, first converting
4642 to canonical algebraic form. */
4644 if (appData.debugMode) {
4645 if (appData.debugMode) { int f = forwardMostMove;
4646 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4647 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4648 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4650 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4651 fprintf(debugFP, "moveNum = %d\n", moveNum);
4652 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4653 setbuf(debugFP, NULL);
4655 if (moveNum <= backwardMostMove) {
4656 /* We don't know what the board looked like before
4658 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4659 strcat(parseList[moveNum - 1], " ");
4660 strcat(parseList[moveNum - 1], elapsed_time);
4661 moveList[moveNum - 1][0] = NULLCHAR;
4662 } else if (strcmp(move_str, "none") == 0) {
4663 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4664 /* Again, we don't know what the board looked like;
4665 this is really the start of the game. */
4666 parseList[moveNum - 1][0] = NULLCHAR;
4667 moveList[moveNum - 1][0] = NULLCHAR;
4668 backwardMostMove = moveNum;
4669 startedFromSetupPosition = TRUE;
4670 fromX = fromY = toX = toY = -1;
4672 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4673 // So we parse the long-algebraic move string in stead of the SAN move
4674 int valid; char buf[MSG_SIZ], *prom;
4676 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4677 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4678 // str looks something like "Q/a1-a2"; kill the slash
4680 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4681 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4682 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4683 strcat(buf, prom); // long move lacks promo specification!
4684 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4685 if(appData.debugMode)
4686 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4687 safeStrCpy(move_str, buf, MSG_SIZ);
4689 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4690 &fromX, &fromY, &toX, &toY, &promoChar)
4691 || ParseOneMove(buf, moveNum - 1, &moveType,
4692 &fromX, &fromY, &toX, &toY, &promoChar);
4693 // end of long SAN patch
4695 (void) CoordsToAlgebraic(boards[moveNum - 1],
4696 PosFlags(moveNum - 1),
4697 fromY, fromX, toY, toX, promoChar,
4698 parseList[moveNum-1]);
4699 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4705 if(gameInfo.variant != VariantShogi)
4706 strcat(parseList[moveNum - 1], "+");
4709 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4710 strcat(parseList[moveNum - 1], "#");
4713 strcat(parseList[moveNum - 1], " ");
4714 strcat(parseList[moveNum - 1], elapsed_time);
4715 /* currentMoveString is set as a side-effect of ParseOneMove */
4716 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4717 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4718 strcat(moveList[moveNum - 1], "\n");
4720 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4721 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4722 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4723 ChessSquare old, new = boards[moveNum][k][j];
4724 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4725 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4726 if(old == new) continue;
4727 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4728 else if(new == WhiteWazir || new == BlackWazir) {
4729 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4730 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4731 else boards[moveNum][k][j] = old; // preserve type of Gold
4732 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4733 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4736 /* Move from ICS was illegal!? Punt. */
4737 if (appData.debugMode) {
4738 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4739 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4741 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4742 strcat(parseList[moveNum - 1], " ");
4743 strcat(parseList[moveNum - 1], elapsed_time);
4744 moveList[moveNum - 1][0] = NULLCHAR;
4745 fromX = fromY = toX = toY = -1;
4748 if (appData.debugMode) {
4749 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4750 setbuf(debugFP, NULL);
4754 /* Send move to chess program (BEFORE animating it). */
4755 if (appData.zippyPlay && !newGame && newMove &&
4756 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4758 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4759 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4760 if (moveList[moveNum - 1][0] == NULLCHAR) {
4761 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4763 DisplayError(str, 0);
4765 if (first.sendTime) {
4766 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4768 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4769 if (firstMove && !bookHit) {
4771 if (first.useColors) {
4772 SendToProgram(gameMode == IcsPlayingWhite ?
4774 "black\ngo\n", &first);
4776 SendToProgram("go\n", &first);
4778 first.maybeThinking = TRUE;
4781 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4782 if (moveList[moveNum - 1][0] == NULLCHAR) {
4783 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4784 DisplayError(str, 0);
4786 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4787 SendMoveToProgram(moveNum - 1, &first);
4794 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4795 /* If move comes from a remote source, animate it. If it
4796 isn't remote, it will have already been animated. */
4797 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4798 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4800 if (!pausing && appData.highlightLastMove) {
4801 SetHighlights(fromX, fromY, toX, toY);
4805 /* Start the clocks */
4806 whiteFlag = blackFlag = FALSE;
4807 appData.clockMode = !(basetime == 0 && increment == 0);
4809 ics_clock_paused = TRUE;
4811 } else if (ticking == 1) {
4812 ics_clock_paused = FALSE;
4814 if (gameMode == IcsIdle ||
4815 relation == RELATION_OBSERVING_STATIC ||
4816 relation == RELATION_EXAMINING ||
4818 DisplayBothClocks();
4822 /* Display opponents and material strengths */
4823 if (gameInfo.variant != VariantBughouse &&
4824 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4825 if (tinyLayout || smallLayout) {
4826 if(gameInfo.variant == VariantNormal)
4827 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4828 gameInfo.white, white_stren, gameInfo.black, black_stren,
4829 basetime, increment);
4831 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4832 gameInfo.white, white_stren, gameInfo.black, black_stren,
4833 basetime, increment, (int) gameInfo.variant);
4835 if(gameInfo.variant == VariantNormal)
4836 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4837 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4838 basetime, increment);
4840 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4841 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4842 basetime, increment, VariantName(gameInfo.variant));
4845 if (appData.debugMode) {
4846 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4851 /* Display the board */
4852 if (!pausing && !appData.noGUI) {
4854 if (appData.premove)
4856 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4857 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4858 ClearPremoveHighlights();
4860 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4861 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4862 DrawPosition(j, boards[currentMove]);
4864 DisplayMove(moveNum - 1);
4865 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4866 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4867 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4868 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4872 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4874 if(bookHit) { // [HGM] book: simulate book reply
4875 static char bookMove[MSG_SIZ]; // a bit generous?
4877 programStats.nodes = programStats.depth = programStats.time =
4878 programStats.score = programStats.got_only_move = 0;
4879 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4881 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4882 strcat(bookMove, bookHit);
4883 HandleMachineMove(bookMove, &first);
4892 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4893 ics_getting_history = H_REQUESTED;
4894 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4900 AnalysisPeriodicEvent (int force)
4902 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4903 && !force) || !appData.periodicUpdates)
4906 /* Send . command to Crafty to collect stats */
4907 SendToProgram(".\n", &first);
4909 /* Don't send another until we get a response (this makes
4910 us stop sending to old Crafty's which don't understand
4911 the "." command (sending illegal cmds resets node count & time,
4912 which looks bad)) */
4913 programStats.ok_to_send = 0;
4917 ics_update_width (int new_width)
4919 ics_printf("set width %d\n", new_width);
4923 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4927 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4928 // null move in variant where engine does not understand it (for analysis purposes)
4929 SendBoard(cps, moveNum + 1); // send position after move in stead.
4932 if (cps->useUsermove) {
4933 SendToProgram("usermove ", cps);
4937 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4938 int len = space - parseList[moveNum];
4939 memcpy(buf, parseList[moveNum], len);
4941 buf[len] = NULLCHAR;
4943 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4945 SendToProgram(buf, cps);
4947 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4948 AlphaRank(moveList[moveNum], 4);
4949 SendToProgram(moveList[moveNum], cps);
4950 AlphaRank(moveList[moveNum], 4); // and back
4952 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4953 * the engine. It would be nice to have a better way to identify castle
4955 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4956 && cps->useOOCastle) {
4957 int fromX = moveList[moveNum][0] - AAA;
4958 int fromY = moveList[moveNum][1] - ONE;
4959 int toX = moveList[moveNum][2] - AAA;
4960 int toY = moveList[moveNum][3] - ONE;
4961 if((boards[moveNum][fromY][fromX] == WhiteKing
4962 && boards[moveNum][toY][toX] == WhiteRook)
4963 || (boards[moveNum][fromY][fromX] == BlackKing
4964 && boards[moveNum][toY][toX] == BlackRook)) {
4965 if(toX > fromX) SendToProgram("O-O\n", cps);
4966 else SendToProgram("O-O-O\n", cps);
4968 else SendToProgram(moveList[moveNum], cps);
4970 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4971 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4972 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4973 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4974 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4976 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4977 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4978 SendToProgram(buf, cps);
4980 else SendToProgram(moveList[moveNum], cps);
4981 /* End of additions by Tord */
4984 /* [HGM] setting up the opening has brought engine in force mode! */
4985 /* Send 'go' if we are in a mode where machine should play. */
4986 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4987 (gameMode == TwoMachinesPlay ||
4989 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4991 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4992 SendToProgram("go\n", cps);
4993 if (appData.debugMode) {
4994 fprintf(debugFP, "(extra)\n");
4997 setboardSpoiledMachineBlack = 0;
5001 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5003 char user_move[MSG_SIZ];
5006 if(gameInfo.variant == VariantSChess && promoChar) {
5007 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5008 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5009 } else suffix[0] = NULLCHAR;
5013 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5014 (int)moveType, fromX, fromY, toX, toY);
5015 DisplayError(user_move + strlen("say "), 0);
5017 case WhiteKingSideCastle:
5018 case BlackKingSideCastle:
5019 case WhiteQueenSideCastleWild:
5020 case BlackQueenSideCastleWild:
5022 case WhiteHSideCastleFR:
5023 case BlackHSideCastleFR:
5025 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5027 case WhiteQueenSideCastle:
5028 case BlackQueenSideCastle:
5029 case WhiteKingSideCastleWild:
5030 case BlackKingSideCastleWild:
5032 case WhiteASideCastleFR:
5033 case BlackASideCastleFR:
5035 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5037 case WhiteNonPromotion:
5038 case BlackNonPromotion:
5039 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5041 case WhitePromotion:
5042 case BlackPromotion:
5043 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5044 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5045 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5046 PieceToChar(WhiteFerz));
5047 else if(gameInfo.variant == VariantGreat)
5048 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5049 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5050 PieceToChar(WhiteMan));
5052 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5053 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5059 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5060 ToUpper(PieceToChar((ChessSquare) fromX)),
5061 AAA + toX, ONE + toY);
5063 case IllegalMove: /* could be a variant we don't quite understand */
5064 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5066 case WhiteCapturesEnPassant:
5067 case BlackCapturesEnPassant:
5068 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5069 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5072 SendToICS(user_move);
5073 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5074 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5079 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5080 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5081 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5082 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5083 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5086 if(gameMode != IcsExamining) { // is this ever not the case?
5087 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5089 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5090 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5091 } else { // on FICS we must first go to general examine mode
5092 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5094 if(gameInfo.variant != VariantNormal) {
5095 // try figure out wild number, as xboard names are not always valid on ICS
5096 for(i=1; i<=36; i++) {
5097 snprintf(buf, MSG_SIZ, "wild/%d", i);
5098 if(StringToVariant(buf) == gameInfo.variant) break;
5100 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5101 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5102 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5103 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5104 SendToICS(ics_prefix);
5106 if(startedFromSetupPosition || backwardMostMove != 0) {
5107 fen = PositionToFEN(backwardMostMove, NULL);
5108 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5109 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5111 } else { // FICS: everything has to set by separate bsetup commands
5112 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5113 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5115 if(!WhiteOnMove(backwardMostMove)) {
5116 SendToICS("bsetup tomove black\n");
5118 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5119 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5121 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5122 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5124 i = boards[backwardMostMove][EP_STATUS];
5125 if(i >= 0) { // set e.p.
5126 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5132 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5133 SendToICS("bsetup done\n"); // switch to normal examining.
5135 for(i = backwardMostMove; i<last; i++) {
5137 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5138 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5139 int len = strlen(moveList[i]);
5140 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5141 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5145 SendToICS(ics_prefix);
5146 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5150 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5152 if (rf == DROP_RANK) {
5153 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5154 sprintf(move, "%c@%c%c\n",
5155 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5157 if (promoChar == 'x' || promoChar == NULLCHAR) {
5158 sprintf(move, "%c%c%c%c\n",
5159 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5161 sprintf(move, "%c%c%c%c%c\n",
5162 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5168 ProcessICSInitScript (FILE *f)
5172 while (fgets(buf, MSG_SIZ, f)) {
5173 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5180 static int lastX, lastY, selectFlag, dragging;
5185 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5186 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5187 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5188 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5189 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5190 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5193 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5194 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5195 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5196 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5197 if(!step) step = -1;
5198 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5199 appData.testLegality && (promoSweep == king ||
5200 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5202 int victim = boards[currentMove][toY][toX];
5203 boards[currentMove][toY][toX] = promoSweep;
5204 DrawPosition(FALSE, boards[currentMove]);
5205 boards[currentMove][toY][toX] = victim;
5207 ChangeDragPiece(promoSweep);
5211 PromoScroll (int x, int y)
5215 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5216 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5217 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5218 if(!step) return FALSE;
5219 lastX = x; lastY = y;
5220 if((promoSweep < BlackPawn) == flipView) step = -step;
5221 if(step > 0) selectFlag = 1;
5222 if(!selectFlag) Sweep(step);
5227 NextPiece (int step)
5229 ChessSquare piece = boards[currentMove][toY][toX];
5232 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5233 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5234 if(!step) step = -1;
5235 } while(PieceToChar(pieceSweep) == '.');
5236 boards[currentMove][toY][toX] = pieceSweep;
5237 DrawPosition(FALSE, boards[currentMove]);
5238 boards[currentMove][toY][toX] = piece;
5240 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5242 AlphaRank (char *move, int n)
5244 // char *p = move, c; int x, y;
5246 if (appData.debugMode) {
5247 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5251 move[2]>='0' && move[2]<='9' &&
5252 move[3]>='a' && move[3]<='x' ) {
5254 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5255 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5257 if(move[0]>='0' && move[0]<='9' &&
5258 move[1]>='a' && move[1]<='x' &&
5259 move[2]>='0' && move[2]<='9' &&
5260 move[3]>='a' && move[3]<='x' ) {
5261 /* input move, Shogi -> normal */
5262 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5263 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5264 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5265 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5268 move[3]>='0' && move[3]<='9' &&
5269 move[2]>='a' && move[2]<='x' ) {
5271 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5272 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5275 move[0]>='a' && move[0]<='x' &&
5276 move[3]>='0' && move[3]<='9' &&
5277 move[2]>='a' && move[2]<='x' ) {
5278 /* output move, normal -> Shogi */
5279 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5280 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5281 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5282 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5283 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5285 if (appData.debugMode) {
5286 fprintf(debugFP, " out = '%s'\n", move);
5290 char yy_textstr[8000];
5292 /* Parser for moves from gnuchess, ICS, or user typein box */
5294 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5296 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5298 switch (*moveType) {
5299 case WhitePromotion:
5300 case BlackPromotion:
5301 case WhiteNonPromotion:
5302 case BlackNonPromotion:
5304 case WhiteCapturesEnPassant:
5305 case BlackCapturesEnPassant:
5306 case WhiteKingSideCastle:
5307 case WhiteQueenSideCastle:
5308 case BlackKingSideCastle:
5309 case BlackQueenSideCastle:
5310 case WhiteKingSideCastleWild:
5311 case WhiteQueenSideCastleWild:
5312 case BlackKingSideCastleWild:
5313 case BlackQueenSideCastleWild:
5314 /* Code added by Tord: */
5315 case WhiteHSideCastleFR:
5316 case WhiteASideCastleFR:
5317 case BlackHSideCastleFR:
5318 case BlackASideCastleFR:
5319 /* End of code added by Tord */
5320 case IllegalMove: /* bug or odd chess variant */
5321 *fromX = currentMoveString[0] - AAA;
5322 *fromY = currentMoveString[1] - ONE;
5323 *toX = currentMoveString[2] - AAA;
5324 *toY = currentMoveString[3] - ONE;
5325 *promoChar = currentMoveString[4];
5326 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5327 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5328 if (appData.debugMode) {
5329 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5331 *fromX = *fromY = *toX = *toY = 0;
5334 if (appData.testLegality) {
5335 return (*moveType != IllegalMove);
5337 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5338 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5343 *fromX = *moveType == WhiteDrop ?
5344 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5345 (int) CharToPiece(ToLower(currentMoveString[0]));
5347 *toX = currentMoveString[2] - AAA;
5348 *toY = currentMoveString[3] - ONE;
5349 *promoChar = NULLCHAR;
5353 case ImpossibleMove:
5363 if (appData.debugMode) {
5364 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5367 *fromX = *fromY = *toX = *toY = 0;
5368 *promoChar = NULLCHAR;
5373 Boolean pushed = FALSE;
5374 char *lastParseAttempt;
5377 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5378 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5379 int fromX, fromY, toX, toY; char promoChar;
5384 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5385 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5388 endPV = forwardMostMove;
5390 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5391 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5392 lastParseAttempt = pv;
5393 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5394 if(!valid && nr == 0 &&
5395 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5396 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5397 // Hande case where played move is different from leading PV move
5398 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5399 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5400 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5401 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5402 endPV += 2; // if position different, keep this
5403 moveList[endPV-1][0] = fromX + AAA;
5404 moveList[endPV-1][1] = fromY + ONE;
5405 moveList[endPV-1][2] = toX + AAA;
5406 moveList[endPV-1][3] = toY + ONE;
5407 parseList[endPV-1][0] = NULLCHAR;
5408 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5411 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5412 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5413 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5414 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5415 valid++; // allow comments in PV
5419 if(endPV+1 > framePtr) break; // no space, truncate
5422 CopyBoard(boards[endPV], boards[endPV-1]);
5423 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5424 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5425 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5426 CoordsToAlgebraic(boards[endPV - 1],
5427 PosFlags(endPV - 1),
5428 fromY, fromX, toY, toX, promoChar,
5429 parseList[endPV - 1]);
5431 if(atEnd == 2) return; // used hidden, for PV conversion
5432 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5433 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5434 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5435 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5436 DrawPosition(TRUE, boards[currentMove]);
5440 MultiPV (ChessProgramState *cps)
5441 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5443 for(i=0; i<cps->nrOptions; i++)
5444 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5450 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5452 int startPV, multi, lineStart, origIndex = index;
5453 char *p, buf2[MSG_SIZ];
5455 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5456 lastX = x; lastY = y;
5457 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5458 lineStart = startPV = index;
5459 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5460 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5462 do{ while(buf[index] && buf[index] != '\n') index++;
5463 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5465 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5466 int n = first.option[multi].value;
5467 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5468 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5469 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5470 first.option[multi].value = n;
5473 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5474 ExcludeClick(origIndex - lineStart);
5477 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5478 *start = startPV; *end = index-1;
5485 static char buf[10*MSG_SIZ];
5486 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5488 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5489 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5490 for(i = forwardMostMove; i<endPV; i++){
5491 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5492 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5495 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5496 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5502 LoadPV (int x, int y)
5503 { // called on right mouse click to load PV
5504 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5505 lastX = x; lastY = y;
5506 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5513 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5514 if(endPV < 0) return;
5515 if(appData.autoCopyPV) CopyFENToClipboard();
5517 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5518 Boolean saveAnimate = appData.animate;
5520 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5521 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5522 } else storedGames--; // abandon shelved tail of original game
5525 forwardMostMove = currentMove;
5526 currentMove = oldFMM;
5527 appData.animate = FALSE;
5528 ToNrEvent(forwardMostMove);
5529 appData.animate = saveAnimate;
5531 currentMove = forwardMostMove;
5532 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5533 ClearPremoveHighlights();
5534 DrawPosition(TRUE, boards[currentMove]);
5538 MovePV (int x, int y, int h)
5539 { // step through PV based on mouse coordinates (called on mouse move)
5540 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5542 // we must somehow check if right button is still down (might be released off board!)
5543 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5544 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5545 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5547 lastX = x; lastY = y;
5549 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5550 if(endPV < 0) return;
5551 if(y < margin) step = 1; else
5552 if(y > h - margin) step = -1;
5553 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5554 currentMove += step;
5555 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5556 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5557 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5558 DrawPosition(FALSE, boards[currentMove]);
5562 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5563 // All positions will have equal probability, but the current method will not provide a unique
5564 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5570 int piecesLeft[(int)BlackPawn];
5571 int seed, nrOfShuffles;
5574 GetPositionNumber ()
5575 { // sets global variable seed
5578 seed = appData.defaultFrcPosition;
5579 if(seed < 0) { // randomize based on time for negative FRC position numbers
5580 for(i=0; i<50; i++) seed += random();
5581 seed = random() ^ random() >> 8 ^ random() << 8;
5582 if(seed<0) seed = -seed;
5587 put (Board board, int pieceType, int rank, int n, int shade)
5588 // put the piece on the (n-1)-th empty squares of the given shade
5592 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5593 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5594 board[rank][i] = (ChessSquare) pieceType;
5595 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5597 piecesLeft[pieceType]--;
5606 AddOnePiece (Board board, int pieceType, int rank, int shade)
5607 // calculate where the next piece goes, (any empty square), and put it there
5611 i = seed % squaresLeft[shade];
5612 nrOfShuffles *= squaresLeft[shade];
5613 seed /= squaresLeft[shade];
5614 put(board, pieceType, rank, i, shade);
5618 AddTwoPieces (Board board, int pieceType, int rank)
5619 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5621 int i, n=squaresLeft[ANY], j=n-1, k;
5623 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5624 i = seed % k; // pick one
5627 while(i >= j) i -= j--;
5628 j = n - 1 - j; i += j;
5629 put(board, pieceType, rank, j, ANY);
5630 put(board, pieceType, rank, i, ANY);
5634 SetUpShuffle (Board board, int number)
5638 GetPositionNumber(); nrOfShuffles = 1;
5640 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5641 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5642 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5644 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5646 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5647 p = (int) board[0][i];
5648 if(p < (int) BlackPawn) piecesLeft[p] ++;
5649 board[0][i] = EmptySquare;
5652 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5653 // shuffles restricted to allow normal castling put KRR first
5654 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5655 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5656 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5657 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5658 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5659 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5660 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5661 put(board, WhiteRook, 0, 0, ANY);
5662 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5665 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5666 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5667 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5668 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5669 while(piecesLeft[p] >= 2) {
5670 AddOnePiece(board, p, 0, LITE);
5671 AddOnePiece(board, p, 0, DARK);
5673 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5676 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5677 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5678 // but we leave King and Rooks for last, to possibly obey FRC restriction
5679 if(p == (int)WhiteRook) continue;
5680 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5681 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5684 // now everything is placed, except perhaps King (Unicorn) and Rooks
5686 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5687 // Last King gets castling rights
5688 while(piecesLeft[(int)WhiteUnicorn]) {
5689 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5690 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5693 while(piecesLeft[(int)WhiteKing]) {
5694 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5695 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5700 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5701 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5704 // Only Rooks can be left; simply place them all
5705 while(piecesLeft[(int)WhiteRook]) {
5706 i = put(board, WhiteRook, 0, 0, ANY);
5707 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5710 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5712 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5715 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5716 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5719 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5723 SetCharTable (char *table, const char * map)
5724 /* [HGM] moved here from winboard.c because of its general usefulness */
5725 /* Basically a safe strcpy that uses the last character as King */
5727 int result = FALSE; int NrPieces;
5729 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5730 && NrPieces >= 12 && !(NrPieces&1)) {
5731 int i; /* [HGM] Accept even length from 12 to 34 */
5733 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5734 for( i=0; i<NrPieces/2-1; i++ ) {
5736 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5738 table[(int) WhiteKing] = map[NrPieces/2-1];
5739 table[(int) BlackKing] = map[NrPieces-1];
5748 Prelude (Board board)
5749 { // [HGM] superchess: random selection of exo-pieces
5750 int i, j, k; ChessSquare p;
5751 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5753 GetPositionNumber(); // use FRC position number
5755 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5756 SetCharTable(pieceToChar, appData.pieceToCharTable);
5757 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5758 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5761 j = seed%4; seed /= 4;
5762 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5763 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5764 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5765 j = seed%3 + (seed%3 >= j); seed /= 3;
5766 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5767 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5768 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5769 j = seed%3; seed /= 3;
5770 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5771 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5772 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5773 j = seed%2 + (seed%2 >= j); seed /= 2;
5774 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5775 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5776 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5777 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5778 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5779 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5780 put(board, exoPieces[0], 0, 0, ANY);
5781 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5785 InitPosition (int redraw)
5787 ChessSquare (* pieces)[BOARD_FILES];
5788 int i, j, pawnRow, overrule,
5789 oldx = gameInfo.boardWidth,
5790 oldy = gameInfo.boardHeight,
5791 oldh = gameInfo.holdingsWidth;
5794 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5796 /* [AS] Initialize pv info list [HGM] and game status */
5798 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5799 pvInfoList[i].depth = 0;
5800 boards[i][EP_STATUS] = EP_NONE;
5801 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5804 initialRulePlies = 0; /* 50-move counter start */
5806 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5807 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5811 /* [HGM] logic here is completely changed. In stead of full positions */
5812 /* the initialized data only consist of the two backranks. The switch */
5813 /* selects which one we will use, which is than copied to the Board */
5814 /* initialPosition, which for the rest is initialized by Pawns and */
5815 /* empty squares. This initial position is then copied to boards[0], */
5816 /* possibly after shuffling, so that it remains available. */
5818 gameInfo.holdingsWidth = 0; /* default board sizes */
5819 gameInfo.boardWidth = 8;
5820 gameInfo.boardHeight = 8;
5821 gameInfo.holdingsSize = 0;
5822 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5823 for(i=0; i<BOARD_FILES-2; i++)
5824 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5825 initialPosition[EP_STATUS] = EP_NONE;
5826 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5827 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5828 SetCharTable(pieceNickName, appData.pieceNickNames);
5829 else SetCharTable(pieceNickName, "............");
5832 switch (gameInfo.variant) {
5833 case VariantFischeRandom:
5834 shuffleOpenings = TRUE;
5837 case VariantShatranj:
5838 pieces = ShatranjArray;
5839 nrCastlingRights = 0;
5840 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5843 pieces = makrukArray;
5844 nrCastlingRights = 0;
5845 startedFromSetupPosition = TRUE;
5846 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5848 case VariantTwoKings:
5849 pieces = twoKingsArray;
5852 pieces = GrandArray;
5853 nrCastlingRights = 0;
5854 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5855 gameInfo.boardWidth = 10;
5856 gameInfo.boardHeight = 10;
5857 gameInfo.holdingsSize = 7;
5859 case VariantCapaRandom:
5860 shuffleOpenings = TRUE;
5861 case VariantCapablanca:
5862 pieces = CapablancaArray;
5863 gameInfo.boardWidth = 10;
5864 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5867 pieces = GothicArray;
5868 gameInfo.boardWidth = 10;
5869 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5872 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5873 gameInfo.holdingsSize = 7;
5874 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5877 pieces = JanusArray;
5878 gameInfo.boardWidth = 10;
5879 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5880 nrCastlingRights = 6;
5881 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5882 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5883 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5884 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5885 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5886 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5889 pieces = FalconArray;
5890 gameInfo.boardWidth = 10;
5891 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5893 case VariantXiangqi:
5894 pieces = XiangqiArray;
5895 gameInfo.boardWidth = 9;
5896 gameInfo.boardHeight = 10;
5897 nrCastlingRights = 0;
5898 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5901 pieces = ShogiArray;
5902 gameInfo.boardWidth = 9;
5903 gameInfo.boardHeight = 9;
5904 gameInfo.holdingsSize = 7;
5905 nrCastlingRights = 0;
5906 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5908 case VariantCourier:
5909 pieces = CourierArray;
5910 gameInfo.boardWidth = 12;
5911 nrCastlingRights = 0;
5912 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5914 case VariantKnightmate:
5915 pieces = KnightmateArray;
5916 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5918 case VariantSpartan:
5919 pieces = SpartanArray;
5920 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5923 pieces = fairyArray;
5924 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5927 pieces = GreatArray;
5928 gameInfo.boardWidth = 10;
5929 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5930 gameInfo.holdingsSize = 8;
5934 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5935 gameInfo.holdingsSize = 8;
5936 startedFromSetupPosition = TRUE;
5938 case VariantCrazyhouse:
5939 case VariantBughouse:
5941 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5942 gameInfo.holdingsSize = 5;
5944 case VariantWildCastle:
5946 /* !!?shuffle with kings guaranteed to be on d or e file */
5947 shuffleOpenings = 1;
5949 case VariantNoCastle:
5951 nrCastlingRights = 0;
5952 /* !!?unconstrained back-rank shuffle */
5953 shuffleOpenings = 1;
5958 if(appData.NrFiles >= 0) {
5959 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5960 gameInfo.boardWidth = appData.NrFiles;
5962 if(appData.NrRanks >= 0) {
5963 gameInfo.boardHeight = appData.NrRanks;
5965 if(appData.holdingsSize >= 0) {
5966 i = appData.holdingsSize;
5967 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5968 gameInfo.holdingsSize = i;
5970 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5971 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5972 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5974 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5975 if(pawnRow < 1) pawnRow = 1;
5976 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5978 /* User pieceToChar list overrules defaults */
5979 if(appData.pieceToCharTable != NULL)
5980 SetCharTable(pieceToChar, appData.pieceToCharTable);
5982 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5984 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5985 s = (ChessSquare) 0; /* account holding counts in guard band */
5986 for( i=0; i<BOARD_HEIGHT; i++ )
5987 initialPosition[i][j] = s;
5989 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5990 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5991 initialPosition[pawnRow][j] = WhitePawn;
5992 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5993 if(gameInfo.variant == VariantXiangqi) {
5995 initialPosition[pawnRow][j] =
5996 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5997 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5998 initialPosition[2][j] = WhiteCannon;
5999 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6003 if(gameInfo.variant == VariantGrand) {
6004 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6005 initialPosition[0][j] = WhiteRook;
6006 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6009 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6011 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6014 initialPosition[1][j] = WhiteBishop;
6015 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6017 initialPosition[1][j] = WhiteRook;
6018 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6021 if( nrCastlingRights == -1) {
6022 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6023 /* This sets default castling rights from none to normal corners */
6024 /* Variants with other castling rights must set them themselves above */
6025 nrCastlingRights = 6;
6027 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6028 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6029 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6030 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6031 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6032 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6035 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6036 if(gameInfo.variant == VariantGreat) { // promotion commoners
6037 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6038 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6039 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6040 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6042 if( gameInfo.variant == VariantSChess ) {
6043 initialPosition[1][0] = BlackMarshall;
6044 initialPosition[2][0] = BlackAngel;
6045 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6046 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6047 initialPosition[1][1] = initialPosition[2][1] =
6048 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6050 if (appData.debugMode) {
6051 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6053 if(shuffleOpenings) {
6054 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6055 startedFromSetupPosition = TRUE;
6057 if(startedFromPositionFile) {
6058 /* [HGM] loadPos: use PositionFile for every new game */
6059 CopyBoard(initialPosition, filePosition);
6060 for(i=0; i<nrCastlingRights; i++)
6061 initialRights[i] = filePosition[CASTLING][i];
6062 startedFromSetupPosition = TRUE;
6065 CopyBoard(boards[0], initialPosition);
6067 if(oldx != gameInfo.boardWidth ||
6068 oldy != gameInfo.boardHeight ||
6069 oldv != gameInfo.variant ||
6070 oldh != gameInfo.holdingsWidth
6072 InitDrawingSizes(-2 ,0);
6074 oldv = gameInfo.variant;
6076 DrawPosition(TRUE, boards[currentMove]);
6080 SendBoard (ChessProgramState *cps, int moveNum)
6082 char message[MSG_SIZ];
6084 if (cps->useSetboard) {
6085 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6086 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6087 SendToProgram(message, cps);
6092 int i, j, left=0, right=BOARD_WIDTH;
6093 /* Kludge to set black to move, avoiding the troublesome and now
6094 * deprecated "black" command.
6096 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6097 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6099 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6101 SendToProgram("edit\n", cps);
6102 SendToProgram("#\n", cps);
6103 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6104 bp = &boards[moveNum][i][left];
6105 for (j = left; j < right; j++, bp++) {
6106 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6107 if ((int) *bp < (int) BlackPawn) {
6108 if(j == BOARD_RGHT+1)
6109 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6110 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6111 if(message[0] == '+' || message[0] == '~') {
6112 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6113 PieceToChar((ChessSquare)(DEMOTED *bp)),
6116 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6117 message[1] = BOARD_RGHT - 1 - j + '1';
6118 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6120 SendToProgram(message, cps);
6125 SendToProgram("c\n", cps);
6126 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6127 bp = &boards[moveNum][i][left];
6128 for (j = left; j < right; j++, bp++) {
6129 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6130 if (((int) *bp != (int) EmptySquare)
6131 && ((int) *bp >= (int) BlackPawn)) {
6132 if(j == BOARD_LEFT-2)
6133 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6134 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6136 if(message[0] == '+' || message[0] == '~') {
6137 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6138 PieceToChar((ChessSquare)(DEMOTED *bp)),
6141 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6142 message[1] = BOARD_RGHT - 1 - j + '1';
6143 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6145 SendToProgram(message, cps);
6150 SendToProgram(".\n", cps);
6152 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6155 char exclusionHeader[MSG_SIZ];
6156 int exCnt, excludePtr;
6157 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6158 static Exclusion excluTab[200];
6159 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6165 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6166 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6172 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6173 excludePtr = 24; exCnt = 0;
6178 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6179 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6180 char buf[2*MOVE_LEN], *p;
6181 Exclusion *e = excluTab;
6183 for(i=0; i<exCnt; i++)
6184 if(e[i].ff == fromX && e[i].fr == fromY &&
6185 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6186 if(i == exCnt) { // was not in exclude list; add it
6187 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6188 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6189 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6192 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6193 excludePtr++; e[i].mark = excludePtr++;
6194 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6197 exclusionHeader[e[i].mark] = state;
6201 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6202 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6206 if((signed char)promoChar == -1) { // kludge to indicate best move
6207 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6208 return 1; // if unparsable, abort
6210 // update exclusion map (resolving toggle by consulting existing state)
6211 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6213 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6214 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6215 excludeMap[k] |= 1<<j;
6216 else excludeMap[k] &= ~(1<<j);
6218 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6220 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6221 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6222 SendToProgram(buf, &first);
6223 return (state == '+');
6227 ExcludeClick (int index)
6230 Exclusion *e = excluTab;
6231 if(index < 25) { // none, best or tail clicked
6232 if(index < 13) { // none: include all
6233 WriteMap(0); // clear map
6234 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6235 SendToProgram("include all\n", &first); // and inform engine
6236 } else if(index > 18) { // tail
6237 if(exclusionHeader[19] == '-') { // tail was excluded
6238 SendToProgram("include all\n", &first);
6239 WriteMap(0); // clear map completely
6240 // now re-exclude selected moves
6241 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6242 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6243 } else { // tail was included or in mixed state
6244 SendToProgram("exclude all\n", &first);
6245 WriteMap(0xFF); // fill map completely
6246 // now re-include selected moves
6247 j = 0; // count them
6248 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6249 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6250 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6253 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6256 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6257 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6258 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6265 DefaultPromoChoice (int white)
6268 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6269 result = WhiteFerz; // no choice
6270 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6271 result= WhiteKing; // in Suicide Q is the last thing we want
6272 else if(gameInfo.variant == VariantSpartan)
6273 result = white ? WhiteQueen : WhiteAngel;
6274 else result = WhiteQueen;
6275 if(!white) result = WHITE_TO_BLACK result;
6279 static int autoQueen; // [HGM] oneclick
6282 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6284 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6285 /* [HGM] add Shogi promotions */
6286 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6291 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6292 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6294 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6295 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6298 piece = boards[currentMove][fromY][fromX];
6299 if(gameInfo.variant == VariantShogi) {
6300 promotionZoneSize = BOARD_HEIGHT/3;
6301 highestPromotingPiece = (int)WhiteFerz;
6302 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6303 promotionZoneSize = 3;
6306 // Treat Lance as Pawn when it is not representing Amazon
6307 if(gameInfo.variant != VariantSuper) {
6308 if(piece == WhiteLance) piece = WhitePawn; else
6309 if(piece == BlackLance) piece = BlackPawn;
6312 // next weed out all moves that do not touch the promotion zone at all
6313 if((int)piece >= BlackPawn) {
6314 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6316 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6318 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6319 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6322 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6324 // weed out mandatory Shogi promotions
6325 if(gameInfo.variant == VariantShogi) {
6326 if(piece >= BlackPawn) {
6327 if(toY == 0 && piece == BlackPawn ||
6328 toY == 0 && piece == BlackQueen ||
6329 toY <= 1 && piece == BlackKnight) {
6334 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6335 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6336 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6343 // weed out obviously illegal Pawn moves
6344 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6345 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6346 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6347 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6348 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6349 // note we are not allowed to test for valid (non-)capture, due to premove
6352 // we either have a choice what to promote to, or (in Shogi) whether to promote
6353 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6354 *promoChoice = PieceToChar(BlackFerz); // no choice
6357 // no sense asking what we must promote to if it is going to explode...
6358 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6359 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6362 // give caller the default choice even if we will not make it
6363 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6364 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6365 if( sweepSelect && gameInfo.variant != VariantGreat
6366 && gameInfo.variant != VariantGrand
6367 && gameInfo.variant != VariantSuper) return FALSE;
6368 if(autoQueen) return FALSE; // predetermined
6370 // suppress promotion popup on illegal moves that are not premoves
6371 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6372 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6373 if(appData.testLegality && !premove) {
6374 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6375 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6376 if(moveType != WhitePromotion && moveType != BlackPromotion)
6384 InPalace (int row, int column)
6385 { /* [HGM] for Xiangqi */
6386 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6387 column < (BOARD_WIDTH + 4)/2 &&
6388 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6393 PieceForSquare (int x, int y)
6395 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6398 return boards[currentMove][y][x];
6402 OKToStartUserMove (int x, int y)
6404 ChessSquare from_piece;
6407 if (matchMode) return FALSE;
6408 if (gameMode == EditPosition) return TRUE;
6410 if (x >= 0 && y >= 0)
6411 from_piece = boards[currentMove][y][x];
6413 from_piece = EmptySquare;
6415 if (from_piece == EmptySquare) return FALSE;
6417 white_piece = (int)from_piece >= (int)WhitePawn &&
6418 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6422 case TwoMachinesPlay:
6430 case MachinePlaysWhite:
6431 case IcsPlayingBlack:
6432 if (appData.zippyPlay) return FALSE;
6434 DisplayMoveError(_("You are playing Black"));
6439 case MachinePlaysBlack:
6440 case IcsPlayingWhite:
6441 if (appData.zippyPlay) return FALSE;
6443 DisplayMoveError(_("You are playing White"));
6448 case PlayFromGameFile:
6449 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6451 if (!white_piece && WhiteOnMove(currentMove)) {
6452 DisplayMoveError(_("It is White's turn"));
6455 if (white_piece && !WhiteOnMove(currentMove)) {
6456 DisplayMoveError(_("It is Black's turn"));
6459 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6460 /* Editing correspondence game history */
6461 /* Could disallow this or prompt for confirmation */
6466 case BeginningOfGame:
6467 if (appData.icsActive) return FALSE;
6468 if (!appData.noChessProgram) {
6470 DisplayMoveError(_("You are playing White"));
6477 if (!white_piece && WhiteOnMove(currentMove)) {
6478 DisplayMoveError(_("It is White's turn"));
6481 if (white_piece && !WhiteOnMove(currentMove)) {
6482 DisplayMoveError(_("It is Black's turn"));
6491 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6492 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6493 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6494 && gameMode != AnalyzeFile && gameMode != Training) {
6495 DisplayMoveError(_("Displayed position is not current"));
6502 OnlyMove (int *x, int *y, Boolean captures)
6504 DisambiguateClosure cl;
6505 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6507 case MachinePlaysBlack:
6508 case IcsPlayingWhite:
6509 case BeginningOfGame:
6510 if(!WhiteOnMove(currentMove)) return FALSE;
6512 case MachinePlaysWhite:
6513 case IcsPlayingBlack:
6514 if(WhiteOnMove(currentMove)) return FALSE;
6521 cl.pieceIn = EmptySquare;
6526 cl.promoCharIn = NULLCHAR;
6527 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6528 if( cl.kind == NormalMove ||
6529 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6530 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6531 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6538 if(cl.kind != ImpossibleMove) return FALSE;
6539 cl.pieceIn = EmptySquare;
6544 cl.promoCharIn = NULLCHAR;
6545 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6546 if( cl.kind == NormalMove ||
6547 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6548 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6549 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6554 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6560 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6561 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6562 int lastLoadGameUseList = FALSE;
6563 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6564 ChessMove lastLoadGameStart = EndOfFile;
6568 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6572 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6574 /* Check if the user is playing in turn. This is complicated because we
6575 let the user "pick up" a piece before it is his turn. So the piece he
6576 tried to pick up may have been captured by the time he puts it down!
6577 Therefore we use the color the user is supposed to be playing in this
6578 test, not the color of the piece that is currently on the starting
6579 square---except in EditGame mode, where the user is playing both
6580 sides; fortunately there the capture race can't happen. (It can
6581 now happen in IcsExamining mode, but that's just too bad. The user
6582 will get a somewhat confusing message in that case.)
6587 case TwoMachinesPlay:
6591 /* We switched into a game mode where moves are not accepted,
6592 perhaps while the mouse button was down. */
6595 case MachinePlaysWhite:
6596 /* User is moving for Black */
6597 if (WhiteOnMove(currentMove)) {
6598 DisplayMoveError(_("It is White's turn"));
6603 case MachinePlaysBlack:
6604 /* User is moving for White */
6605 if (!WhiteOnMove(currentMove)) {
6606 DisplayMoveError(_("It is Black's turn"));
6611 case PlayFromGameFile:
6612 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6615 case BeginningOfGame:
6618 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6619 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6620 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6621 /* User is moving for Black */
6622 if (WhiteOnMove(currentMove)) {
6623 DisplayMoveError(_("It is White's turn"));
6627 /* User is moving for White */
6628 if (!WhiteOnMove(currentMove)) {
6629 DisplayMoveError(_("It is Black's turn"));
6635 case IcsPlayingBlack:
6636 /* User is moving for Black */
6637 if (WhiteOnMove(currentMove)) {
6638 if (!appData.premove) {
6639 DisplayMoveError(_("It is White's turn"));
6640 } else if (toX >= 0 && toY >= 0) {
6643 premoveFromX = fromX;
6644 premoveFromY = fromY;
6645 premovePromoChar = promoChar;
6647 if (appData.debugMode)
6648 fprintf(debugFP, "Got premove: fromX %d,"
6649 "fromY %d, toX %d, toY %d\n",
6650 fromX, fromY, toX, toY);
6656 case IcsPlayingWhite:
6657 /* User is moving for White */
6658 if (!WhiteOnMove(currentMove)) {
6659 if (!appData.premove) {
6660 DisplayMoveError(_("It is Black's turn"));
6661 } else if (toX >= 0 && toY >= 0) {
6664 premoveFromX = fromX;
6665 premoveFromY = fromY;
6666 premovePromoChar = promoChar;
6668 if (appData.debugMode)
6669 fprintf(debugFP, "Got premove: fromX %d,"
6670 "fromY %d, toX %d, toY %d\n",
6671 fromX, fromY, toX, toY);
6681 /* EditPosition, empty square, or different color piece;
6682 click-click move is possible */
6683 if (toX == -2 || toY == -2) {
6684 boards[0][fromY][fromX] = EmptySquare;
6685 DrawPosition(FALSE, boards[currentMove]);
6687 } else if (toX >= 0 && toY >= 0) {
6688 boards[0][toY][toX] = boards[0][fromY][fromX];
6689 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6690 if(boards[0][fromY][0] != EmptySquare) {
6691 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6692 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6695 if(fromX == BOARD_RGHT+1) {
6696 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6697 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6698 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6701 boards[0][fromY][fromX] = gatingPiece;
6702 DrawPosition(FALSE, boards[currentMove]);
6708 if(toX < 0 || toY < 0) return;
6709 pup = boards[currentMove][toY][toX];
6711 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6712 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6713 if( pup != EmptySquare ) return;
6714 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6715 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6716 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6717 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6718 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6719 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6720 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6724 /* [HGM] always test for legality, to get promotion info */
6725 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6726 fromY, fromX, toY, toX, promoChar);
6728 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6730 /* [HGM] but possibly ignore an IllegalMove result */
6731 if (appData.testLegality) {
6732 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6733 DisplayMoveError(_("Illegal move"));
6738 if(doubleClick) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6739 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6740 ClearPremoveHighlights(); // was included
6741 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6745 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6748 /* Common tail of UserMoveEvent and DropMenuEvent */
6750 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6754 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6755 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6756 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6757 if(WhiteOnMove(currentMove)) {
6758 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6760 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6764 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6765 move type in caller when we know the move is a legal promotion */
6766 if(moveType == NormalMove && promoChar)
6767 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6769 /* [HGM] <popupFix> The following if has been moved here from
6770 UserMoveEvent(). Because it seemed to belong here (why not allow
6771 piece drops in training games?), and because it can only be
6772 performed after it is known to what we promote. */
6773 if (gameMode == Training) {
6774 /* compare the move played on the board to the next move in the
6775 * game. If they match, display the move and the opponent's response.
6776 * If they don't match, display an error message.
6780 CopyBoard(testBoard, boards[currentMove]);
6781 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6783 if (CompareBoards(testBoard, boards[currentMove+1])) {
6784 ForwardInner(currentMove+1);
6786 /* Autoplay the opponent's response.
6787 * if appData.animate was TRUE when Training mode was entered,
6788 * the response will be animated.
6790 saveAnimate = appData.animate;
6791 appData.animate = animateTraining;
6792 ForwardInner(currentMove+1);
6793 appData.animate = saveAnimate;
6795 /* check for the end of the game */
6796 if (currentMove >= forwardMostMove) {
6797 gameMode = PlayFromGameFile;
6799 SetTrainingModeOff();
6800 DisplayInformation(_("End of game"));
6803 DisplayError(_("Incorrect move"), 0);
6808 /* Ok, now we know that the move is good, so we can kill
6809 the previous line in Analysis Mode */
6810 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6811 && currentMove < forwardMostMove) {
6812 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6813 else forwardMostMove = currentMove;
6818 /* If we need the chess program but it's dead, restart it */
6819 ResurrectChessProgram();
6821 /* A user move restarts a paused game*/
6825 thinkOutput[0] = NULLCHAR;
6827 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6829 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6830 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6834 if (gameMode == BeginningOfGame) {
6835 if (appData.noChessProgram) {
6836 gameMode = EditGame;
6840 gameMode = MachinePlaysBlack;
6843 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6845 if (first.sendName) {
6846 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6847 SendToProgram(buf, &first);
6854 /* Relay move to ICS or chess engine */
6855 if (appData.icsActive) {
6856 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6857 gameMode == IcsExamining) {
6858 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6859 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6861 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6863 // also send plain move, in case ICS does not understand atomic claims
6864 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6868 if (first.sendTime && (gameMode == BeginningOfGame ||
6869 gameMode == MachinePlaysWhite ||
6870 gameMode == MachinePlaysBlack)) {
6871 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6873 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6874 // [HGM] book: if program might be playing, let it use book
6875 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6876 first.maybeThinking = TRUE;
6877 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6878 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6879 SendBoard(&first, currentMove+1);
6880 } else SendMoveToProgram(forwardMostMove-1, &first);
6881 if (currentMove == cmailOldMove + 1) {
6882 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6886 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6890 if(appData.testLegality)
6891 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6897 if (WhiteOnMove(currentMove)) {
6898 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6900 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6904 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6909 case MachinePlaysBlack:
6910 case MachinePlaysWhite:
6911 /* disable certain menu options while machine is thinking */
6912 SetMachineThinkingEnables();
6919 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6920 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6922 if(bookHit) { // [HGM] book: simulate book reply
6923 static char bookMove[MSG_SIZ]; // a bit generous?
6925 programStats.nodes = programStats.depth = programStats.time =
6926 programStats.score = programStats.got_only_move = 0;
6927 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6929 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6930 strcat(bookMove, bookHit);
6931 HandleMachineMove(bookMove, &first);
6937 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6939 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6940 Markers *m = (Markers *) closure;
6941 if(rf == fromY && ff == fromX)
6942 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6943 || kind == WhiteCapturesEnPassant
6944 || kind == BlackCapturesEnPassant);
6945 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6949 MarkTargetSquares (int clear)
6952 if(clear) // no reason to ever suppress clearing
6953 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6954 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6955 !appData.testLegality || gameMode == EditPosition) return;
6958 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6959 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6960 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6962 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6965 DrawPosition(FALSE, NULL);
6969 Explode (Board board, int fromX, int fromY, int toX, int toY)
6971 if(gameInfo.variant == VariantAtomic &&
6972 (board[toY][toX] != EmptySquare || // capture?
6973 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6974 board[fromY][fromX] == BlackPawn )
6976 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6982 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6985 CanPromote (ChessSquare piece, int y)
6987 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6988 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6989 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6990 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6991 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6992 gameInfo.variant == VariantMakruk) return FALSE;
6993 return (piece == BlackPawn && y == 1 ||
6994 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6995 piece == BlackLance && y == 1 ||
6996 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7000 LeftClick (ClickType clickType, int xPix, int yPix)
7003 Boolean saveAnimate;
7004 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7005 char promoChoice = NULLCHAR;
7007 static TimeMark lastClickTime, prevClickTime;
7009 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7011 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7013 if (clickType == Press) ErrorPopDown();
7015 x = EventToSquare(xPix, BOARD_WIDTH);
7016 y = EventToSquare(yPix, BOARD_HEIGHT);
7017 if (!flipView && y >= 0) {
7018 y = BOARD_HEIGHT - 1 - y;
7020 if (flipView && x >= 0) {
7021 x = BOARD_WIDTH - 1 - x;
7024 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7025 defaultPromoChoice = promoSweep;
7026 promoSweep = EmptySquare; // terminate sweep
7027 promoDefaultAltered = TRUE;
7028 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7031 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7032 if(clickType == Release) return; // ignore upclick of click-click destination
7033 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7034 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7035 if(gameInfo.holdingsWidth &&
7036 (WhiteOnMove(currentMove)
7037 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7038 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7039 // click in right holdings, for determining promotion piece
7040 ChessSquare p = boards[currentMove][y][x];
7041 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7042 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7043 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7044 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7049 DrawPosition(FALSE, boards[currentMove]);
7053 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7054 if(clickType == Press
7055 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7056 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7057 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7060 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7061 // could be static click on premove from-square: abort premove
7063 ClearPremoveHighlights();
7066 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7067 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7069 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7070 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7071 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7072 defaultPromoChoice = DefaultPromoChoice(side);
7075 autoQueen = appData.alwaysPromoteToQueen;
7079 gatingPiece = EmptySquare;
7080 if (clickType != Press) {
7081 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7082 DragPieceEnd(xPix, yPix); dragging = 0;
7083 DrawPosition(FALSE, NULL);
7087 doubleClick = FALSE;
7088 fromX = x; fromY = y; toX = toY = -1;
7089 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7090 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7091 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7093 if (OKToStartUserMove(fromX, fromY)) {
7095 MarkTargetSquares(0);
7096 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7097 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7098 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7099 promoSweep = defaultPromoChoice;
7100 selectFlag = 0; lastX = xPix; lastY = yPix;
7101 Sweep(0); // Pawn that is going to promote: preview promotion piece
7102 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7104 if (appData.highlightDragging) {
7105 SetHighlights(fromX, fromY, -1, -1);
7109 } else fromX = fromY = -1;
7115 if (clickType == Press && gameMode != EditPosition) {
7120 // ignore off-board to clicks
7121 if(y < 0 || x < 0) return;
7123 /* Check if clicking again on the same color piece */
7124 fromP = boards[currentMove][fromY][fromX];
7125 toP = boards[currentMove][y][x];
7126 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7127 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7128 WhitePawn <= toP && toP <= WhiteKing &&
7129 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7130 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7131 (BlackPawn <= fromP && fromP <= BlackKing &&
7132 BlackPawn <= toP && toP <= BlackKing &&
7133 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7134 !(fromP == BlackKing && toP == BlackRook && frc))) {
7135 /* Clicked again on same color piece -- changed his mind */
7136 second = (x == fromX && y == fromY);
7137 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7138 second = FALSE; // first double-click rather than scond click
7139 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7141 promoDefaultAltered = FALSE;
7142 MarkTargetSquares(1);
7143 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7144 if (appData.highlightDragging) {
7145 SetHighlights(x, y, -1, -1);
7149 if (OKToStartUserMove(x, y)) {
7150 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7151 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7152 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7153 gatingPiece = boards[currentMove][fromY][fromX];
7154 else gatingPiece = doubleClick ? fromP : EmptySquare;
7156 fromY = y; dragging = 1;
7157 MarkTargetSquares(0);
7158 DragPieceBegin(xPix, yPix, FALSE);
7159 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7160 promoSweep = defaultPromoChoice;
7161 selectFlag = 0; lastX = xPix; lastY = yPix;
7162 Sweep(0); // Pawn that is going to promote: preview promotion piece
7166 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7169 // ignore clicks on holdings
7170 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7173 if (clickType == Release && x == fromX && y == fromY) {
7174 DragPieceEnd(xPix, yPix); dragging = 0;
7176 // a deferred attempt to click-click move an empty square on top of a piece
7177 boards[currentMove][y][x] = EmptySquare;
7179 DrawPosition(FALSE, boards[currentMove]);
7180 fromX = fromY = -1; clearFlag = 0;
7183 if (appData.animateDragging) {
7184 /* Undo animation damage if any */
7185 DrawPosition(FALSE, NULL);
7187 if (second || sweepSelecting) {
7188 /* Second up/down in same square; just abort move */
7189 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7190 second = sweepSelecting = 0;
7192 gatingPiece = EmptySquare;
7195 ClearPremoveHighlights();
7197 /* First upclick in same square; start click-click mode */
7198 SetHighlights(x, y, -1, -1);
7205 /* we now have a different from- and (possibly off-board) to-square */
7206 /* Completed move */
7207 if(!sweepSelecting) {
7210 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7212 saveAnimate = appData.animate;
7213 if (clickType == Press) {
7214 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7215 // must be Edit Position mode with empty-square selected
7216 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7217 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7220 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7221 if(appData.sweepSelect) {
7222 ChessSquare piece = boards[currentMove][fromY][fromX];
7223 promoSweep = defaultPromoChoice;
7224 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7225 selectFlag = 0; lastX = xPix; lastY = yPix;
7226 Sweep(0); // Pawn that is going to promote: preview promotion piece
7228 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7229 MarkTargetSquares(1);
7231 return; // promo popup appears on up-click
7233 /* Finish clickclick move */
7234 if (appData.animate || appData.highlightLastMove) {
7235 SetHighlights(fromX, fromY, toX, toY);
7240 /* Finish drag move */
7241 if (appData.highlightLastMove) {
7242 SetHighlights(fromX, fromY, toX, toY);
7246 DragPieceEnd(xPix, yPix); dragging = 0;
7247 /* Don't animate move and drag both */
7248 appData.animate = FALSE;
7250 MarkTargetSquares(1);
7252 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7253 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7254 ChessSquare piece = boards[currentMove][fromY][fromX];
7255 if(gameMode == EditPosition && piece != EmptySquare &&
7256 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7259 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7260 n = PieceToNumber(piece - (int)BlackPawn);
7261 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7262 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7263 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7265 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7266 n = PieceToNumber(piece);
7267 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7268 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7269 boards[currentMove][n][BOARD_WIDTH-2]++;
7271 boards[currentMove][fromY][fromX] = EmptySquare;
7275 DrawPosition(TRUE, boards[currentMove]);
7279 // off-board moves should not be highlighted
7280 if(x < 0 || y < 0) ClearHighlights();
7282 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7284 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7285 SetHighlights(fromX, fromY, toX, toY);
7286 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7287 // [HGM] super: promotion to captured piece selected from holdings
7288 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7289 promotionChoice = TRUE;
7290 // kludge follows to temporarily execute move on display, without promoting yet
7291 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7292 boards[currentMove][toY][toX] = p;
7293 DrawPosition(FALSE, boards[currentMove]);
7294 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7295 boards[currentMove][toY][toX] = q;
7296 DisplayMessage("Click in holdings to choose piece", "");
7301 int oldMove = currentMove;
7302 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7303 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7304 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7305 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7306 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7307 DrawPosition(TRUE, boards[currentMove]);
7310 appData.animate = saveAnimate;
7311 if (appData.animate || appData.animateDragging) {
7312 /* Undo animation damage if needed */
7313 DrawPosition(FALSE, NULL);
7318 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7319 { // front-end-free part taken out of PieceMenuPopup
7320 int whichMenu; int xSqr, ySqr;
7322 if(seekGraphUp) { // [HGM] seekgraph
7323 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7324 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7328 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7329 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7330 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7331 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7332 if(action == Press) {
7333 originalFlip = flipView;
7334 flipView = !flipView; // temporarily flip board to see game from partners perspective
7335 DrawPosition(TRUE, partnerBoard);
7336 DisplayMessage(partnerStatus, "");
7338 } else if(action == Release) {
7339 flipView = originalFlip;
7340 DrawPosition(TRUE, boards[currentMove]);
7346 xSqr = EventToSquare(x, BOARD_WIDTH);
7347 ySqr = EventToSquare(y, BOARD_HEIGHT);
7348 if (action == Release) {
7349 if(pieceSweep != EmptySquare) {
7350 EditPositionMenuEvent(pieceSweep, toX, toY);
7351 pieceSweep = EmptySquare;
7352 } else UnLoadPV(); // [HGM] pv
7354 if (action != Press) return -2; // return code to be ignored
7357 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7359 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7360 if (xSqr < 0 || ySqr < 0) return -1;
7361 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7362 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7363 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7364 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7368 if(!appData.icsEngineAnalyze) return -1;
7369 case IcsPlayingWhite:
7370 case IcsPlayingBlack:
7371 if(!appData.zippyPlay) goto noZip;
7374 case MachinePlaysWhite:
7375 case MachinePlaysBlack:
7376 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7377 if (!appData.dropMenu) {
7379 return 2; // flag front-end to grab mouse events
7381 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7382 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7385 if (xSqr < 0 || ySqr < 0) return -1;
7386 if (!appData.dropMenu || appData.testLegality &&
7387 gameInfo.variant != VariantBughouse &&
7388 gameInfo.variant != VariantCrazyhouse) return -1;
7389 whichMenu = 1; // drop menu
7395 if (((*fromX = xSqr) < 0) ||
7396 ((*fromY = ySqr) < 0)) {
7397 *fromX = *fromY = -1;
7401 *fromX = BOARD_WIDTH - 1 - *fromX;
7403 *fromY = BOARD_HEIGHT - 1 - *fromY;
7409 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7411 // char * hint = lastHint;
7412 FrontEndProgramStats stats;
7414 stats.which = cps == &first ? 0 : 1;
7415 stats.depth = cpstats->depth;
7416 stats.nodes = cpstats->nodes;
7417 stats.score = cpstats->score;
7418 stats.time = cpstats->time;
7419 stats.pv = cpstats->movelist;
7420 stats.hint = lastHint;
7421 stats.an_move_index = 0;
7422 stats.an_move_count = 0;
7424 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7425 stats.hint = cpstats->move_name;
7426 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7427 stats.an_move_count = cpstats->nr_moves;
7430 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
7432 SetProgramStats( &stats );
7436 ClearEngineOutputPane (int which)
7438 static FrontEndProgramStats dummyStats;
7439 dummyStats.which = which;
7440 dummyStats.pv = "#";
7441 SetProgramStats( &dummyStats );
7444 #define MAXPLAYERS 500
7447 TourneyStandings (int display)
7449 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7450 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7451 char result, *p, *names[MAXPLAYERS];
7453 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7454 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7455 names[0] = p = strdup(appData.participants);
7456 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7458 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7460 while(result = appData.results[nr]) {
7461 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7462 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7463 wScore = bScore = 0;
7465 case '+': wScore = 2; break;
7466 case '-': bScore = 2; break;
7467 case '=': wScore = bScore = 1; break;
7469 case '*': return strdup("busy"); // tourney not finished
7477 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7478 for(w=0; w<nPlayers; w++) {
7480 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7481 ranking[w] = b; points[w] = bScore; score[b] = -2;
7483 p = malloc(nPlayers*34+1);
7484 for(w=0; w<nPlayers && w<display; w++)
7485 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7491 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7492 { // count all piece types
7494 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7495 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7496 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7499 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7500 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7501 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7502 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7503 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7504 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7509 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7511 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7512 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7514 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7515 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7516 if(myPawns == 2 && nMine == 3) // KPP
7517 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7518 if(myPawns == 1 && nMine == 2) // KP
7519 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7520 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7521 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7522 if(myPawns) return FALSE;
7523 if(pCnt[WhiteRook+side])
7524 return pCnt[BlackRook-side] ||
7525 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7526 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7527 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7528 if(pCnt[WhiteCannon+side]) {
7529 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7530 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7532 if(pCnt[WhiteKnight+side])
7533 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7538 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7540 VariantClass v = gameInfo.variant;
7542 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7543 if(v == VariantShatranj) return TRUE; // always winnable through baring
7544 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7545 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7547 if(v == VariantXiangqi) {
7548 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7550 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7551 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7552 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7553 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7554 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7555 if(stale) // we have at least one last-rank P plus perhaps C
7556 return majors // KPKX
7557 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7559 return pCnt[WhiteFerz+side] // KCAK
7560 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7561 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7562 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7564 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7565 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7567 if(nMine == 1) return FALSE; // bare King
7568 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
7569 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7570 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7571 // by now we have King + 1 piece (or multiple Bishops on the same color)
7572 if(pCnt[WhiteKnight+side])
7573 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7574 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7575 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7577 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7578 if(pCnt[WhiteAlfil+side])
7579 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7580 if(pCnt[WhiteWazir+side])
7581 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7588 CompareWithRights (Board b1, Board b2)
7591 if(!CompareBoards(b1, b2)) return FALSE;
7592 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7593 /* compare castling rights */
7594 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7595 rights++; /* King lost rights, while rook still had them */
7596 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7597 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7598 rights++; /* but at least one rook lost them */
7600 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7602 if( b1[CASTLING][5] != NoRights ) {
7603 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7610 Adjudicate (ChessProgramState *cps)
7611 { // [HGM] some adjudications useful with buggy engines
7612 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7613 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7614 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7615 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7616 int k, count = 0; static int bare = 1;
7617 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7618 Boolean canAdjudicate = !appData.icsActive;
7620 // most tests only when we understand the game, i.e. legality-checking on
7621 if( appData.testLegality )
7622 { /* [HGM] Some more adjudications for obstinate engines */
7623 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7624 static int moveCount = 6;
7626 char *reason = NULL;
7628 /* Count what is on board. */
7629 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7631 /* Some material-based adjudications that have to be made before stalemate test */
7632 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7633 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7634 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7635 if(canAdjudicate && appData.checkMates) {
7637 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7638 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7639 "Xboard adjudication: King destroyed", GE_XBOARD );
7644 /* Bare King in Shatranj (loses) or Losers (wins) */
7645 if( nrW == 1 || nrB == 1) {
7646 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7647 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7648 if(canAdjudicate && appData.checkMates) {
7650 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7651 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7652 "Xboard adjudication: Bare king", GE_XBOARD );
7656 if( gameInfo.variant == VariantShatranj && --bare < 0)
7658 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7659 if(canAdjudicate && appData.checkMates) {
7660 /* but only adjudicate if adjudication enabled */
7662 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7663 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7664 "Xboard adjudication: Bare king", GE_XBOARD );
7671 // don't wait for engine to announce game end if we can judge ourselves
7672 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7674 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7675 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7676 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7677 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7680 reason = "Xboard adjudication: 3rd check";
7681 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7691 reason = "Xboard adjudication: Stalemate";
7692 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7693 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7694 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7695 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7696 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7697 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7698 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7699 EP_CHECKMATE : EP_WINS);
7700 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7701 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7705 reason = "Xboard adjudication: Checkmate";
7706 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7710 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7712 result = GameIsDrawn; break;
7714 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7716 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7720 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7722 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7723 GameEnds( result, reason, GE_XBOARD );
7727 /* Next absolutely insufficient mating material. */
7728 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7729 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7730 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7732 /* always flag draws, for judging claims */
7733 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7735 if(canAdjudicate && appData.materialDraws) {
7736 /* but only adjudicate them if adjudication enabled */
7737 if(engineOpponent) {
7738 SendToProgram("force\n", engineOpponent); // suppress reply
7739 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7741 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7746 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7747 if(gameInfo.variant == VariantXiangqi ?
7748 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7750 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7751 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7752 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7753 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7755 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7756 { /* if the first 3 moves do not show a tactical win, declare draw */
7757 if(engineOpponent) {
7758 SendToProgram("force\n", engineOpponent); // suppress reply
7759 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7761 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7764 } else moveCount = 6;
7767 // Repetition draws and 50-move rule can be applied independently of legality testing
7769 /* Check for rep-draws */
7771 for(k = forwardMostMove-2;
7772 k>=backwardMostMove && k>=forwardMostMove-100 &&
7773 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7774 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7777 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7778 /* compare castling rights */
7779 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7780 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7781 rights++; /* King lost rights, while rook still had them */
7782 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7783 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7784 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7785 rights++; /* but at least one rook lost them */
7787 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7788 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7790 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7791 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7792 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7795 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7796 && appData.drawRepeats > 1) {
7797 /* adjudicate after user-specified nr of repeats */
7798 int result = GameIsDrawn;
7799 char *details = "XBoard adjudication: repetition draw";
7800 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7801 // [HGM] xiangqi: check for forbidden perpetuals
7802 int m, ourPerpetual = 1, hisPerpetual = 1;
7803 for(m=forwardMostMove; m>k; m-=2) {
7804 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7805 ourPerpetual = 0; // the current mover did not always check
7806 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7807 hisPerpetual = 0; // the opponent did not always check
7809 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7810 ourPerpetual, hisPerpetual);
7811 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7812 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7813 details = "Xboard adjudication: perpetual checking";
7815 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7816 break; // (or we would have caught him before). Abort repetition-checking loop.
7818 // Now check for perpetual chases
7819 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7820 hisPerpetual = PerpetualChase(k, forwardMostMove);
7821 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7822 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7823 static char resdet[MSG_SIZ];
7824 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7826 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7828 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7829 break; // Abort repetition-checking loop.
7831 // if neither of us is checking or chasing all the time, or both are, it is draw
7833 if(engineOpponent) {
7834 SendToProgram("force\n", engineOpponent); // suppress reply
7835 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7837 GameEnds( result, details, GE_XBOARD );
7840 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7841 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7845 /* Now we test for 50-move draws. Determine ply count */
7846 count = forwardMostMove;
7847 /* look for last irreversble move */
7848 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7850 /* if we hit starting position, add initial plies */
7851 if( count == backwardMostMove )
7852 count -= initialRulePlies;
7853 count = forwardMostMove - count;
7854 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7855 // adjust reversible move counter for checks in Xiangqi
7856 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7857 if(i < backwardMostMove) i = backwardMostMove;
7858 while(i <= forwardMostMove) {
7859 lastCheck = inCheck; // check evasion does not count
7860 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7861 if(inCheck || lastCheck) count--; // check does not count
7866 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7867 /* this is used to judge if draw claims are legal */
7868 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7869 if(engineOpponent) {
7870 SendToProgram("force\n", engineOpponent); // suppress reply
7871 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7873 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7877 /* if draw offer is pending, treat it as a draw claim
7878 * when draw condition present, to allow engines a way to
7879 * claim draws before making their move to avoid a race
7880 * condition occurring after their move
7882 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7884 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7885 p = "Draw claim: 50-move rule";
7886 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7887 p = "Draw claim: 3-fold repetition";
7888 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7889 p = "Draw claim: insufficient mating material";
7890 if( p != NULL && canAdjudicate) {
7891 if(engineOpponent) {
7892 SendToProgram("force\n", engineOpponent); // suppress reply
7893 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7895 GameEnds( GameIsDrawn, p, GE_XBOARD );
7900 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7901 if(engineOpponent) {
7902 SendToProgram("force\n", engineOpponent); // suppress reply
7903 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7905 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7912 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7913 { // [HGM] book: this routine intercepts moves to simulate book replies
7914 char *bookHit = NULL;
7916 //first determine if the incoming move brings opponent into his book
7917 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7918 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7919 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7920 if(bookHit != NULL && !cps->bookSuspend) {
7921 // make sure opponent is not going to reply after receiving move to book position
7922 SendToProgram("force\n", cps);
7923 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7925 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7926 // now arrange restart after book miss
7928 // after a book hit we never send 'go', and the code after the call to this routine
7929 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7930 char buf[MSG_SIZ], *move = bookHit;
7932 int fromX, fromY, toX, toY;
7936 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7937 &fromX, &fromY, &toX, &toY, &promoChar)) {
7938 (void) CoordsToAlgebraic(boards[forwardMostMove],
7939 PosFlags(forwardMostMove),
7940 fromY, fromX, toY, toX, promoChar, move);
7942 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7946 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7947 SendToProgram(buf, cps);
7948 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7949 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7950 SendToProgram("go\n", cps);
7951 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7952 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7953 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7954 SendToProgram("go\n", cps);
7955 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7957 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7961 LoadError (char *errmess, ChessProgramState *cps)
7962 { // unloads engine and switches back to -ncp mode if it was first
7963 if(cps->initDone) return FALSE;
7964 cps->isr = NULL; // this should suppress further error popups from breaking pipes
7965 DestroyChildProcess(cps->pr, 9 ); // just to be sure
7968 appData.noChessProgram = TRUE;
7969 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
7970 gameMode = BeginningOfGame; ModeHighlight();
7973 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
7974 DisplayMessage("", ""); // erase waiting message
7975 if(errmess) DisplayError(errmess, 0); // announce reason, if given
7980 ChessProgramState *savedState;
7982 DeferredBookMove (void)
7984 if(savedState->lastPing != savedState->lastPong)
7985 ScheduleDelayedEvent(DeferredBookMove, 10);
7987 HandleMachineMove(savedMessage, savedState);
7990 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7993 HandleMachineMove (char *message, ChessProgramState *cps)
7995 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7996 char realname[MSG_SIZ];
7997 int fromX, fromY, toX, toY;
8001 int machineWhite, oldError;
8004 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8005 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8006 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8007 DisplayError(_("Invalid pairing from pairing engine"), 0);
8010 pairingReceived = 1;
8012 return; // Skim the pairing messages here.
8015 oldError = cps->userError; cps->userError = 0;
8017 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8019 * Kludge to ignore BEL characters
8021 while (*message == '\007') message++;
8024 * [HGM] engine debug message: ignore lines starting with '#' character
8026 if(cps->debug && *message == '#') return;
8029 * Look for book output
8031 if (cps == &first && bookRequested) {
8032 if (message[0] == '\t' || message[0] == ' ') {
8033 /* Part of the book output is here; append it */
8034 strcat(bookOutput, message);
8035 strcat(bookOutput, " \n");
8037 } else if (bookOutput[0] != NULLCHAR) {
8038 /* All of book output has arrived; display it */
8039 char *p = bookOutput;
8040 while (*p != NULLCHAR) {
8041 if (*p == '\t') *p = ' ';
8044 DisplayInformation(bookOutput);
8045 bookRequested = FALSE;
8046 /* Fall through to parse the current output */
8051 * Look for machine move.
8053 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8054 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8056 /* This method is only useful on engines that support ping */
8057 if (cps->lastPing != cps->lastPong) {
8058 if (gameMode == BeginningOfGame) {
8059 /* Extra move from before last new; ignore */
8060 if (appData.debugMode) {
8061 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8064 if (appData.debugMode) {
8065 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8066 cps->which, gameMode);
8069 SendToProgram("undo\n", cps);
8075 case BeginningOfGame:
8076 /* Extra move from before last reset; ignore */
8077 if (appData.debugMode) {
8078 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8085 /* Extra move after we tried to stop. The mode test is
8086 not a reliable way of detecting this problem, but it's
8087 the best we can do on engines that don't support ping.
8089 if (appData.debugMode) {
8090 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8091 cps->which, gameMode);
8093 SendToProgram("undo\n", cps);
8096 case MachinePlaysWhite:
8097 case IcsPlayingWhite:
8098 machineWhite = TRUE;
8101 case MachinePlaysBlack:
8102 case IcsPlayingBlack:
8103 machineWhite = FALSE;
8106 case TwoMachinesPlay:
8107 machineWhite = (cps->twoMachinesColor[0] == 'w');
8110 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8111 if (appData.debugMode) {
8113 "Ignoring move out of turn by %s, gameMode %d"
8114 ", forwardMost %d\n",
8115 cps->which, gameMode, forwardMostMove);
8120 if(cps->alphaRank) AlphaRank(machineMove, 4);
8121 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8122 &fromX, &fromY, &toX, &toY, &promoChar)) {
8123 /* Machine move could not be parsed; ignore it. */
8124 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8125 machineMove, _(cps->which));
8126 DisplayError(buf1, 0);
8127 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8128 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8129 if (gameMode == TwoMachinesPlay) {
8130 GameEnds(machineWhite ? BlackWins : WhiteWins,
8136 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8137 /* So we have to redo legality test with true e.p. status here, */
8138 /* to make sure an illegal e.p. capture does not slip through, */
8139 /* to cause a forfeit on a justified illegal-move complaint */
8140 /* of the opponent. */
8141 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8143 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8144 fromY, fromX, toY, toX, promoChar);
8145 if(moveType == IllegalMove) {
8146 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8147 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8148 GameEnds(machineWhite ? BlackWins : WhiteWins,
8151 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8152 /* [HGM] Kludge to handle engines that send FRC-style castling
8153 when they shouldn't (like TSCP-Gothic) */
8155 case WhiteASideCastleFR:
8156 case BlackASideCastleFR:
8158 currentMoveString[2]++;
8160 case WhiteHSideCastleFR:
8161 case BlackHSideCastleFR:
8163 currentMoveString[2]--;
8165 default: ; // nothing to do, but suppresses warning of pedantic compilers
8168 hintRequested = FALSE;
8169 lastHint[0] = NULLCHAR;
8170 bookRequested = FALSE;
8171 /* Program may be pondering now */
8172 cps->maybeThinking = TRUE;
8173 if (cps->sendTime == 2) cps->sendTime = 1;
8174 if (cps->offeredDraw) cps->offeredDraw--;
8176 /* [AS] Save move info*/
8177 pvInfoList[ forwardMostMove ].score = programStats.score;
8178 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8179 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8181 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8183 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8184 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8187 while( count < adjudicateLossPlies ) {
8188 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8191 score = -score; /* Flip score for winning side */
8194 if( score > adjudicateLossThreshold ) {
8201 if( count >= adjudicateLossPlies ) {
8202 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8204 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8205 "Xboard adjudication",
8212 if(Adjudicate(cps)) {
8213 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8214 return; // [HGM] adjudicate: for all automatic game ends
8218 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8220 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8221 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8223 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8225 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8227 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8228 char buf[3*MSG_SIZ];
8230 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8231 programStats.score / 100.,
8233 programStats.time / 100.,
8234 (unsigned int)programStats.nodes,
8235 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8236 programStats.movelist);
8238 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8243 /* [AS] Clear stats for next move */
8244 ClearProgramStats();
8245 thinkOutput[0] = NULLCHAR;
8246 hiddenThinkOutputState = 0;
8249 if (gameMode == TwoMachinesPlay) {
8250 /* [HGM] relaying draw offers moved to after reception of move */
8251 /* and interpreting offer as claim if it brings draw condition */
8252 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8253 SendToProgram("draw\n", cps->other);
8255 if (cps->other->sendTime) {
8256 SendTimeRemaining(cps->other,
8257 cps->other->twoMachinesColor[0] == 'w');
8259 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8260 if (firstMove && !bookHit) {
8262 if (cps->other->useColors) {
8263 SendToProgram(cps->other->twoMachinesColor, cps->other);
8265 SendToProgram("go\n", cps->other);
8267 cps->other->maybeThinking = TRUE;
8270 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8272 if (!pausing && appData.ringBellAfterMoves) {
8277 * Reenable menu items that were disabled while
8278 * machine was thinking
8280 if (gameMode != TwoMachinesPlay)
8281 SetUserThinkingEnables();
8283 // [HGM] book: after book hit opponent has received move and is now in force mode
8284 // force the book reply into it, and then fake that it outputted this move by jumping
8285 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8287 static char bookMove[MSG_SIZ]; // a bit generous?
8289 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8290 strcat(bookMove, bookHit);
8293 programStats.nodes = programStats.depth = programStats.time =
8294 programStats.score = programStats.got_only_move = 0;
8295 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8297 if(cps->lastPing != cps->lastPong) {
8298 savedMessage = message; // args for deferred call
8300 ScheduleDelayedEvent(DeferredBookMove, 10);
8309 /* Set special modes for chess engines. Later something general
8310 * could be added here; for now there is just one kludge feature,
8311 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8312 * when "xboard" is given as an interactive command.
8314 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8315 cps->useSigint = FALSE;
8316 cps->useSigterm = FALSE;
8318 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8319 ParseFeatures(message+8, cps);
8320 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8323 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8324 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8325 int dummy, s=6; char buf[MSG_SIZ];
8326 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8327 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8328 if(startedFromSetupPosition) return;
8329 ParseFEN(boards[0], &dummy, message+s);
8330 DrawPosition(TRUE, boards[0]);
8331 startedFromSetupPosition = TRUE;
8334 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8335 * want this, I was asked to put it in, and obliged.
8337 if (!strncmp(message, "setboard ", 9)) {
8338 Board initial_position;
8340 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8342 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8343 DisplayError(_("Bad FEN received from engine"), 0);
8347 CopyBoard(boards[0], initial_position);
8348 initialRulePlies = FENrulePlies;
8349 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8350 else gameMode = MachinePlaysBlack;
8351 DrawPosition(FALSE, boards[currentMove]);
8357 * Look for communication commands
8359 if (!strncmp(message, "telluser ", 9)) {
8360 if(message[9] == '\\' && message[10] == '\\')
8361 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8363 DisplayNote(message + 9);
8366 if (!strncmp(message, "tellusererror ", 14)) {
8368 if(message[14] == '\\' && message[15] == '\\')
8369 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8371 DisplayError(message + 14, 0);
8374 if (!strncmp(message, "tellopponent ", 13)) {
8375 if (appData.icsActive) {
8377 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8381 DisplayNote(message + 13);
8385 if (!strncmp(message, "tellothers ", 11)) {
8386 if (appData.icsActive) {
8388 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8394 if (!strncmp(message, "tellall ", 8)) {
8395 if (appData.icsActive) {
8397 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8401 DisplayNote(message + 8);
8405 if (strncmp(message, "warning", 7) == 0) {
8406 /* Undocumented feature, use tellusererror in new code */
8407 DisplayError(message, 0);
8410 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8411 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8412 strcat(realname, " query");
8413 AskQuestion(realname, buf2, buf1, cps->pr);
8416 /* Commands from the engine directly to ICS. We don't allow these to be
8417 * sent until we are logged on. Crafty kibitzes have been known to
8418 * interfere with the login process.
8421 if (!strncmp(message, "tellics ", 8)) {
8422 SendToICS(message + 8);
8426 if (!strncmp(message, "tellicsnoalias ", 15)) {
8427 SendToICS(ics_prefix);
8428 SendToICS(message + 15);
8432 /* The following are for backward compatibility only */
8433 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8434 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8435 SendToICS(ics_prefix);
8441 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8445 * If the move is illegal, cancel it and redraw the board.
8446 * Also deal with other error cases. Matching is rather loose
8447 * here to accommodate engines written before the spec.
8449 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8450 strncmp(message, "Error", 5) == 0) {
8451 if (StrStr(message, "name") ||
8452 StrStr(message, "rating") || StrStr(message, "?") ||
8453 StrStr(message, "result") || StrStr(message, "board") ||
8454 StrStr(message, "bk") || StrStr(message, "computer") ||
8455 StrStr(message, "variant") || StrStr(message, "hint") ||
8456 StrStr(message, "random") || StrStr(message, "depth") ||
8457 StrStr(message, "accepted")) {
8460 if (StrStr(message, "protover")) {
8461 /* Program is responding to input, so it's apparently done
8462 initializing, and this error message indicates it is
8463 protocol version 1. So we don't need to wait any longer
8464 for it to initialize and send feature commands. */
8465 FeatureDone(cps, 1);
8466 cps->protocolVersion = 1;
8469 cps->maybeThinking = FALSE;
8471 if (StrStr(message, "draw")) {
8472 /* Program doesn't have "draw" command */
8473 cps->sendDrawOffers = 0;
8476 if (cps->sendTime != 1 &&
8477 (StrStr(message, "time") || StrStr(message, "otim"))) {
8478 /* Program apparently doesn't have "time" or "otim" command */
8482 if (StrStr(message, "analyze")) {
8483 cps->analysisSupport = FALSE;
8484 cps->analyzing = FALSE;
8485 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8486 EditGameEvent(); // [HGM] try to preserve loaded game
8487 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8488 DisplayError(buf2, 0);
8491 if (StrStr(message, "(no matching move)st")) {
8492 /* Special kludge for GNU Chess 4 only */
8493 cps->stKludge = TRUE;
8494 SendTimeControl(cps, movesPerSession, timeControl,
8495 timeIncrement, appData.searchDepth,
8499 if (StrStr(message, "(no matching move)sd")) {
8500 /* Special kludge for GNU Chess 4 only */
8501 cps->sdKludge = TRUE;
8502 SendTimeControl(cps, movesPerSession, timeControl,
8503 timeIncrement, appData.searchDepth,
8507 if (!StrStr(message, "llegal")) {
8510 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8511 gameMode == IcsIdle) return;
8512 if (forwardMostMove <= backwardMostMove) return;
8513 if (pausing) PauseEvent();
8514 if(appData.forceIllegal) {
8515 // [HGM] illegal: machine refused move; force position after move into it
8516 SendToProgram("force\n", cps);
8517 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8518 // we have a real problem now, as SendBoard will use the a2a3 kludge
8519 // when black is to move, while there might be nothing on a2 or black
8520 // might already have the move. So send the board as if white has the move.
8521 // But first we must change the stm of the engine, as it refused the last move
8522 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8523 if(WhiteOnMove(forwardMostMove)) {
8524 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8525 SendBoard(cps, forwardMostMove); // kludgeless board
8527 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8528 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8529 SendBoard(cps, forwardMostMove+1); // kludgeless board
8531 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8532 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8533 gameMode == TwoMachinesPlay)
8534 SendToProgram("go\n", cps);
8537 if (gameMode == PlayFromGameFile) {
8538 /* Stop reading this game file */
8539 gameMode = EditGame;
8542 /* [HGM] illegal-move claim should forfeit game when Xboard */
8543 /* only passes fully legal moves */
8544 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8545 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8546 "False illegal-move claim", GE_XBOARD );
8547 return; // do not take back move we tested as valid
8549 currentMove = forwardMostMove-1;
8550 DisplayMove(currentMove-1); /* before DisplayMoveError */
8551 SwitchClocks(forwardMostMove-1); // [HGM] race
8552 DisplayBothClocks();
8553 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8554 parseList[currentMove], _(cps->which));
8555 DisplayMoveError(buf1);
8556 DrawPosition(FALSE, boards[currentMove]);
8558 SetUserThinkingEnables();
8561 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8562 /* Program has a broken "time" command that
8563 outputs a string not ending in newline.
8569 * If chess program startup fails, exit with an error message.
8570 * Attempts to recover here are futile. [HGM] Well, we try anyway
8572 if ((StrStr(message, "unknown host") != NULL)
8573 || (StrStr(message, "No remote directory") != NULL)
8574 || (StrStr(message, "not found") != NULL)
8575 || (StrStr(message, "No such file") != NULL)
8576 || (StrStr(message, "can't alloc") != NULL)
8577 || (StrStr(message, "Permission denied") != NULL)) {
8579 cps->maybeThinking = FALSE;
8580 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8581 _(cps->which), cps->program, cps->host, message);
8582 RemoveInputSource(cps->isr);
8583 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8584 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8585 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8591 * Look for hint output
8593 if (sscanf(message, "Hint: %s", buf1) == 1) {
8594 if (cps == &first && hintRequested) {
8595 hintRequested = FALSE;
8596 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8597 &fromX, &fromY, &toX, &toY, &promoChar)) {
8598 (void) CoordsToAlgebraic(boards[forwardMostMove],
8599 PosFlags(forwardMostMove),
8600 fromY, fromX, toY, toX, promoChar, buf1);
8601 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8602 DisplayInformation(buf2);
8604 /* Hint move could not be parsed!? */
8605 snprintf(buf2, sizeof(buf2),
8606 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8607 buf1, _(cps->which));
8608 DisplayError(buf2, 0);
8611 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8617 * Ignore other messages if game is not in progress
8619 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8620 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8623 * look for win, lose, draw, or draw offer
8625 if (strncmp(message, "1-0", 3) == 0) {
8626 char *p, *q, *r = "";
8627 p = strchr(message, '{');
8635 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8637 } else if (strncmp(message, "0-1", 3) == 0) {
8638 char *p, *q, *r = "";
8639 p = strchr(message, '{');
8647 /* Kludge for Arasan 4.1 bug */
8648 if (strcmp(r, "Black resigns") == 0) {
8649 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8652 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8654 } else if (strncmp(message, "1/2", 3) == 0) {
8655 char *p, *q, *r = "";
8656 p = strchr(message, '{');
8665 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8668 } else if (strncmp(message, "White resign", 12) == 0) {
8669 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8671 } else if (strncmp(message, "Black resign", 12) == 0) {
8672 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8674 } else if (strncmp(message, "White matches", 13) == 0 ||
8675 strncmp(message, "Black matches", 13) == 0 ) {
8676 /* [HGM] ignore GNUShogi noises */
8678 } else if (strncmp(message, "White", 5) == 0 &&
8679 message[5] != '(' &&
8680 StrStr(message, "Black") == NULL) {
8681 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8683 } else if (strncmp(message, "Black", 5) == 0 &&
8684 message[5] != '(') {
8685 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8687 } else if (strcmp(message, "resign") == 0 ||
8688 strcmp(message, "computer resigns") == 0) {
8690 case MachinePlaysBlack:
8691 case IcsPlayingBlack:
8692 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8694 case MachinePlaysWhite:
8695 case IcsPlayingWhite:
8696 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8698 case TwoMachinesPlay:
8699 if (cps->twoMachinesColor[0] == 'w')
8700 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8702 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8709 } else if (strncmp(message, "opponent mates", 14) == 0) {
8711 case MachinePlaysBlack:
8712 case IcsPlayingBlack:
8713 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8715 case MachinePlaysWhite:
8716 case IcsPlayingWhite:
8717 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8719 case TwoMachinesPlay:
8720 if (cps->twoMachinesColor[0] == 'w')
8721 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8723 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8730 } else if (strncmp(message, "computer mates", 14) == 0) {
8732 case MachinePlaysBlack:
8733 case IcsPlayingBlack:
8734 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8736 case MachinePlaysWhite:
8737 case IcsPlayingWhite:
8738 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8740 case TwoMachinesPlay:
8741 if (cps->twoMachinesColor[0] == 'w')
8742 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8744 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8751 } else if (strncmp(message, "checkmate", 9) == 0) {
8752 if (WhiteOnMove(forwardMostMove)) {
8753 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8755 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8758 } else if (strstr(message, "Draw") != NULL ||
8759 strstr(message, "game is a draw") != NULL) {
8760 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8762 } else if (strstr(message, "offer") != NULL &&
8763 strstr(message, "draw") != NULL) {
8765 if (appData.zippyPlay && first.initDone) {
8766 /* Relay offer to ICS */
8767 SendToICS(ics_prefix);
8768 SendToICS("draw\n");
8771 cps->offeredDraw = 2; /* valid until this engine moves twice */
8772 if (gameMode == TwoMachinesPlay) {
8773 if (cps->other->offeredDraw) {
8774 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8775 /* [HGM] in two-machine mode we delay relaying draw offer */
8776 /* until after we also have move, to see if it is really claim */
8778 } else if (gameMode == MachinePlaysWhite ||
8779 gameMode == MachinePlaysBlack) {
8780 if (userOfferedDraw) {
8781 DisplayInformation(_("Machine accepts your draw offer"));
8782 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8784 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8791 * Look for thinking output
8793 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8794 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8796 int plylev, mvleft, mvtot, curscore, time;
8797 char mvname[MOVE_LEN];
8801 int prefixHint = FALSE;
8802 mvname[0] = NULLCHAR;
8805 case MachinePlaysBlack:
8806 case IcsPlayingBlack:
8807 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8809 case MachinePlaysWhite:
8810 case IcsPlayingWhite:
8811 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8816 case IcsObserving: /* [DM] icsEngineAnalyze */
8817 if (!appData.icsEngineAnalyze) ignore = TRUE;
8819 case TwoMachinesPlay:
8820 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8830 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8832 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8833 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8835 if (plyext != ' ' && plyext != '\t') {
8839 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8840 if( cps->scoreIsAbsolute &&
8841 ( gameMode == MachinePlaysBlack ||
8842 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8843 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8844 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8845 !WhiteOnMove(currentMove)
8848 curscore = -curscore;
8851 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8853 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8856 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8857 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8858 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8859 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8860 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8861 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8863 } else DisplayError(_("failed writing PV"), 0);
8866 tempStats.depth = plylev;
8867 tempStats.nodes = nodes;
8868 tempStats.time = time;
8869 tempStats.score = curscore;
8870 tempStats.got_only_move = 0;
8872 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8875 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8876 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8877 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8878 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8879 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8880 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8881 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8882 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8885 /* Buffer overflow protection */
8886 if (pv[0] != NULLCHAR) {
8887 if (strlen(pv) >= sizeof(tempStats.movelist)
8888 && appData.debugMode) {
8890 "PV is too long; using the first %u bytes.\n",
8891 (unsigned) sizeof(tempStats.movelist) - 1);
8894 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8896 sprintf(tempStats.movelist, " no PV\n");
8899 if (tempStats.seen_stat) {
8900 tempStats.ok_to_send = 1;
8903 if (strchr(tempStats.movelist, '(') != NULL) {
8904 tempStats.line_is_book = 1;
8905 tempStats.nr_moves = 0;
8906 tempStats.moves_left = 0;
8908 tempStats.line_is_book = 0;
8911 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8912 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8914 SendProgramStatsToFrontend( cps, &tempStats );
8917 [AS] Protect the thinkOutput buffer from overflow... this
8918 is only useful if buf1 hasn't overflowed first!
8920 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8922 (gameMode == TwoMachinesPlay ?
8923 ToUpper(cps->twoMachinesColor[0]) : ' '),
8924 ((double) curscore) / 100.0,
8925 prefixHint ? lastHint : "",
8926 prefixHint ? " " : "" );
8928 if( buf1[0] != NULLCHAR ) {
8929 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8931 if( strlen(pv) > max_len ) {
8932 if( appData.debugMode) {
8933 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8935 pv[max_len+1] = '\0';
8938 strcat( thinkOutput, pv);
8941 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8942 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8943 DisplayMove(currentMove - 1);
8947 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8948 /* crafty (9.25+) says "(only move) <move>"
8949 * if there is only 1 legal move
8951 sscanf(p, "(only move) %s", buf1);
8952 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8953 sprintf(programStats.movelist, "%s (only move)", buf1);
8954 programStats.depth = 1;
8955 programStats.nr_moves = 1;
8956 programStats.moves_left = 1;
8957 programStats.nodes = 1;
8958 programStats.time = 1;
8959 programStats.got_only_move = 1;
8961 /* Not really, but we also use this member to
8962 mean "line isn't going to change" (Crafty
8963 isn't searching, so stats won't change) */
8964 programStats.line_is_book = 1;
8966 SendProgramStatsToFrontend( cps, &programStats );
8968 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8969 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8970 DisplayMove(currentMove - 1);
8973 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8974 &time, &nodes, &plylev, &mvleft,
8975 &mvtot, mvname) >= 5) {
8976 /* The stat01: line is from Crafty (9.29+) in response
8977 to the "." command */
8978 programStats.seen_stat = 1;
8979 cps->maybeThinking = TRUE;
8981 if (programStats.got_only_move || !appData.periodicUpdates)
8984 programStats.depth = plylev;
8985 programStats.time = time;
8986 programStats.nodes = nodes;
8987 programStats.moves_left = mvleft;
8988 programStats.nr_moves = mvtot;
8989 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8990 programStats.ok_to_send = 1;
8991 programStats.movelist[0] = '\0';
8993 SendProgramStatsToFrontend( cps, &programStats );
8997 } else if (strncmp(message,"++",2) == 0) {
8998 /* Crafty 9.29+ outputs this */
8999 programStats.got_fail = 2;
9002 } else if (strncmp(message,"--",2) == 0) {
9003 /* Crafty 9.29+ outputs this */
9004 programStats.got_fail = 1;
9007 } else if (thinkOutput[0] != NULLCHAR &&
9008 strncmp(message, " ", 4) == 0) {
9009 unsigned message_len;
9012 while (*p && *p == ' ') p++;
9014 message_len = strlen( p );
9016 /* [AS] Avoid buffer overflow */
9017 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9018 strcat(thinkOutput, " ");
9019 strcat(thinkOutput, p);
9022 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9023 strcat(programStats.movelist, " ");
9024 strcat(programStats.movelist, p);
9027 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9028 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9029 DisplayMove(currentMove - 1);
9037 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9038 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9040 ChessProgramStats cpstats;
9042 if (plyext != ' ' && plyext != '\t') {
9046 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9047 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9048 curscore = -curscore;
9051 cpstats.depth = plylev;
9052 cpstats.nodes = nodes;
9053 cpstats.time = time;
9054 cpstats.score = curscore;
9055 cpstats.got_only_move = 0;
9056 cpstats.movelist[0] = '\0';
9058 if (buf1[0] != NULLCHAR) {
9059 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9062 cpstats.ok_to_send = 0;
9063 cpstats.line_is_book = 0;
9064 cpstats.nr_moves = 0;
9065 cpstats.moves_left = 0;
9067 SendProgramStatsToFrontend( cps, &cpstats );
9074 /* Parse a game score from the character string "game", and
9075 record it as the history of the current game. The game
9076 score is NOT assumed to start from the standard position.
9077 The display is not updated in any way.
9080 ParseGameHistory (char *game)
9083 int fromX, fromY, toX, toY, boardIndex;
9088 if (appData.debugMode)
9089 fprintf(debugFP, "Parsing game history: %s\n", game);
9091 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9092 gameInfo.site = StrSave(appData.icsHost);
9093 gameInfo.date = PGNDate();
9094 gameInfo.round = StrSave("-");
9096 /* Parse out names of players */
9097 while (*game == ' ') game++;
9099 while (*game != ' ') *p++ = *game++;
9101 gameInfo.white = StrSave(buf);
9102 while (*game == ' ') game++;
9104 while (*game != ' ' && *game != '\n') *p++ = *game++;
9106 gameInfo.black = StrSave(buf);
9109 boardIndex = blackPlaysFirst ? 1 : 0;
9112 yyboardindex = boardIndex;
9113 moveType = (ChessMove) Myylex();
9115 case IllegalMove: /* maybe suicide chess, etc. */
9116 if (appData.debugMode) {
9117 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9118 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9119 setbuf(debugFP, NULL);
9121 case WhitePromotion:
9122 case BlackPromotion:
9123 case WhiteNonPromotion:
9124 case BlackNonPromotion:
9126 case WhiteCapturesEnPassant:
9127 case BlackCapturesEnPassant:
9128 case WhiteKingSideCastle:
9129 case WhiteQueenSideCastle:
9130 case BlackKingSideCastle:
9131 case BlackQueenSideCastle:
9132 case WhiteKingSideCastleWild:
9133 case WhiteQueenSideCastleWild:
9134 case BlackKingSideCastleWild:
9135 case BlackQueenSideCastleWild:
9137 case WhiteHSideCastleFR:
9138 case WhiteASideCastleFR:
9139 case BlackHSideCastleFR:
9140 case BlackASideCastleFR:
9142 fromX = currentMoveString[0] - AAA;
9143 fromY = currentMoveString[1] - ONE;
9144 toX = currentMoveString[2] - AAA;
9145 toY = currentMoveString[3] - ONE;
9146 promoChar = currentMoveString[4];
9150 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9151 fromX = moveType == WhiteDrop ?
9152 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9153 (int) CharToPiece(ToLower(currentMoveString[0]));
9155 toX = currentMoveString[2] - AAA;
9156 toY = currentMoveString[3] - ONE;
9157 promoChar = NULLCHAR;
9161 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9162 if (appData.debugMode) {
9163 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9164 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9165 setbuf(debugFP, NULL);
9167 DisplayError(buf, 0);
9169 case ImpossibleMove:
9171 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9172 if (appData.debugMode) {
9173 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9174 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9175 setbuf(debugFP, NULL);
9177 DisplayError(buf, 0);
9180 if (boardIndex < backwardMostMove) {
9181 /* Oops, gap. How did that happen? */
9182 DisplayError(_("Gap in move list"), 0);
9185 backwardMostMove = blackPlaysFirst ? 1 : 0;
9186 if (boardIndex > forwardMostMove) {
9187 forwardMostMove = boardIndex;
9191 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9192 strcat(parseList[boardIndex-1], " ");
9193 strcat(parseList[boardIndex-1], yy_text);
9205 case GameUnfinished:
9206 if (gameMode == IcsExamining) {
9207 if (boardIndex < backwardMostMove) {
9208 /* Oops, gap. How did that happen? */
9211 backwardMostMove = blackPlaysFirst ? 1 : 0;
9214 gameInfo.result = moveType;
9215 p = strchr(yy_text, '{');
9216 if (p == NULL) p = strchr(yy_text, '(');
9219 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9221 q = strchr(p, *p == '{' ? '}' : ')');
9222 if (q != NULL) *q = NULLCHAR;
9225 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9226 gameInfo.resultDetails = StrSave(p);
9229 if (boardIndex >= forwardMostMove &&
9230 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9231 backwardMostMove = blackPlaysFirst ? 1 : 0;
9234 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9235 fromY, fromX, toY, toX, promoChar,
9236 parseList[boardIndex]);
9237 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9238 /* currentMoveString is set as a side-effect of yylex */
9239 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9240 strcat(moveList[boardIndex], "\n");
9242 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9243 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9249 if(gameInfo.variant != VariantShogi)
9250 strcat(parseList[boardIndex - 1], "+");
9254 strcat(parseList[boardIndex - 1], "#");
9261 /* Apply a move to the given board */
9263 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9265 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9266 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9268 /* [HGM] compute & store e.p. status and castling rights for new position */
9269 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9271 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9272 oldEP = (signed char)board[EP_STATUS];
9273 board[EP_STATUS] = EP_NONE;
9275 if (fromY == DROP_RANK) {
9277 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9278 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9281 piece = board[toY][toX] = (ChessSquare) fromX;
9285 if( board[toY][toX] != EmptySquare )
9286 board[EP_STATUS] = EP_CAPTURE;
9288 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9289 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9290 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9292 if( board[fromY][fromX] == WhitePawn ) {
9293 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9294 board[EP_STATUS] = EP_PAWN_MOVE;
9296 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9297 gameInfo.variant != VariantBerolina || toX < fromX)
9298 board[EP_STATUS] = toX | berolina;
9299 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9300 gameInfo.variant != VariantBerolina || toX > fromX)
9301 board[EP_STATUS] = toX;
9304 if( board[fromY][fromX] == BlackPawn ) {
9305 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9306 board[EP_STATUS] = EP_PAWN_MOVE;
9307 if( toY-fromY== -2) {
9308 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9309 gameInfo.variant != VariantBerolina || toX < fromX)
9310 board[EP_STATUS] = toX | berolina;
9311 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9312 gameInfo.variant != VariantBerolina || toX > fromX)
9313 board[EP_STATUS] = toX;
9317 for(i=0; i<nrCastlingRights; i++) {
9318 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9319 board[CASTLING][i] == toX && castlingRank[i] == toY
9320 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9323 if(gameInfo.variant == VariantSChess) { // update virginity
9324 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9325 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9326 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9327 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9330 if (fromX == toX && fromY == toY) return;
9332 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9333 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9334 if(gameInfo.variant == VariantKnightmate)
9335 king += (int) WhiteUnicorn - (int) WhiteKing;
9337 /* Code added by Tord: */
9338 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9339 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9340 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9341 board[fromY][fromX] = EmptySquare;
9342 board[toY][toX] = EmptySquare;
9343 if((toX > fromX) != (piece == WhiteRook)) {
9344 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9346 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9348 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9349 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9350 board[fromY][fromX] = EmptySquare;
9351 board[toY][toX] = EmptySquare;
9352 if((toX > fromX) != (piece == BlackRook)) {
9353 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9355 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9357 /* End of code added by Tord */
9359 } else if (board[fromY][fromX] == king
9360 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9361 && toY == fromY && toX > fromX+1) {
9362 board[fromY][fromX] = EmptySquare;
9363 board[toY][toX] = king;
9364 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9365 board[fromY][BOARD_RGHT-1] = EmptySquare;
9366 } else if (board[fromY][fromX] == king
9367 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9368 && toY == fromY && toX < fromX-1) {
9369 board[fromY][fromX] = EmptySquare;
9370 board[toY][toX] = king;
9371 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9372 board[fromY][BOARD_LEFT] = EmptySquare;
9373 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9374 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9375 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9377 /* white pawn promotion */
9378 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9379 if(gameInfo.variant==VariantBughouse ||
9380 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9381 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9382 board[fromY][fromX] = EmptySquare;
9383 } else if ((fromY >= BOARD_HEIGHT>>1)
9385 && gameInfo.variant != VariantXiangqi
9386 && gameInfo.variant != VariantBerolina
9387 && (board[fromY][fromX] == WhitePawn)
9388 && (board[toY][toX] == EmptySquare)) {
9389 board[fromY][fromX] = EmptySquare;
9390 board[toY][toX] = WhitePawn;
9391 captured = board[toY - 1][toX];
9392 board[toY - 1][toX] = EmptySquare;
9393 } else if ((fromY == BOARD_HEIGHT-4)
9395 && gameInfo.variant == VariantBerolina
9396 && (board[fromY][fromX] == WhitePawn)
9397 && (board[toY][toX] == EmptySquare)) {
9398 board[fromY][fromX] = EmptySquare;
9399 board[toY][toX] = WhitePawn;
9400 if(oldEP & EP_BEROLIN_A) {
9401 captured = board[fromY][fromX-1];
9402 board[fromY][fromX-1] = EmptySquare;
9403 }else{ captured = board[fromY][fromX+1];
9404 board[fromY][fromX+1] = EmptySquare;
9406 } else if (board[fromY][fromX] == king
9407 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9408 && toY == fromY && toX > fromX+1) {
9409 board[fromY][fromX] = EmptySquare;
9410 board[toY][toX] = king;
9411 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9412 board[fromY][BOARD_RGHT-1] = EmptySquare;
9413 } else if (board[fromY][fromX] == king
9414 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9415 && toY == fromY && toX < fromX-1) {
9416 board[fromY][fromX] = EmptySquare;
9417 board[toY][toX] = king;
9418 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9419 board[fromY][BOARD_LEFT] = EmptySquare;
9420 } else if (fromY == 7 && fromX == 3
9421 && board[fromY][fromX] == BlackKing
9422 && toY == 7 && toX == 5) {
9423 board[fromY][fromX] = EmptySquare;
9424 board[toY][toX] = BlackKing;
9425 board[fromY][7] = EmptySquare;
9426 board[toY][4] = BlackRook;
9427 } else if (fromY == 7 && fromX == 3
9428 && board[fromY][fromX] == BlackKing
9429 && toY == 7 && toX == 1) {
9430 board[fromY][fromX] = EmptySquare;
9431 board[toY][toX] = BlackKing;
9432 board[fromY][0] = EmptySquare;
9433 board[toY][2] = BlackRook;
9434 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9435 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9436 && toY < promoRank && promoChar
9438 /* black pawn promotion */
9439 board[toY][toX] = CharToPiece(ToLower(promoChar));
9440 if(gameInfo.variant==VariantBughouse ||
9441 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9442 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9443 board[fromY][fromX] = EmptySquare;
9444 } else if ((fromY < BOARD_HEIGHT>>1)
9446 && gameInfo.variant != VariantXiangqi
9447 && gameInfo.variant != VariantBerolina
9448 && (board[fromY][fromX] == BlackPawn)
9449 && (board[toY][toX] == EmptySquare)) {
9450 board[fromY][fromX] = EmptySquare;
9451 board[toY][toX] = BlackPawn;
9452 captured = board[toY + 1][toX];
9453 board[toY + 1][toX] = EmptySquare;
9454 } else if ((fromY == 3)
9456 && gameInfo.variant == VariantBerolina
9457 && (board[fromY][fromX] == BlackPawn)
9458 && (board[toY][toX] == EmptySquare)) {
9459 board[fromY][fromX] = EmptySquare;
9460 board[toY][toX] = BlackPawn;
9461 if(oldEP & EP_BEROLIN_A) {
9462 captured = board[fromY][fromX-1];
9463 board[fromY][fromX-1] = EmptySquare;
9464 }else{ captured = board[fromY][fromX+1];
9465 board[fromY][fromX+1] = EmptySquare;
9468 board[toY][toX] = board[fromY][fromX];
9469 board[fromY][fromX] = EmptySquare;
9473 if (gameInfo.holdingsWidth != 0) {
9475 /* !!A lot more code needs to be written to support holdings */
9476 /* [HGM] OK, so I have written it. Holdings are stored in the */
9477 /* penultimate board files, so they are automaticlly stored */
9478 /* in the game history. */
9479 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9480 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9481 /* Delete from holdings, by decreasing count */
9482 /* and erasing image if necessary */
9483 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9484 if(p < (int) BlackPawn) { /* white drop */
9485 p -= (int)WhitePawn;
9486 p = PieceToNumber((ChessSquare)p);
9487 if(p >= gameInfo.holdingsSize) p = 0;
9488 if(--board[p][BOARD_WIDTH-2] <= 0)
9489 board[p][BOARD_WIDTH-1] = EmptySquare;
9490 if((int)board[p][BOARD_WIDTH-2] < 0)
9491 board[p][BOARD_WIDTH-2] = 0;
9492 } else { /* black drop */
9493 p -= (int)BlackPawn;
9494 p = PieceToNumber((ChessSquare)p);
9495 if(p >= gameInfo.holdingsSize) p = 0;
9496 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9497 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9498 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9499 board[BOARD_HEIGHT-1-p][1] = 0;
9502 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9503 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9504 /* [HGM] holdings: Add to holdings, if holdings exist */
9505 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9506 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9507 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9510 if (p >= (int) BlackPawn) {
9511 p -= (int)BlackPawn;
9512 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9513 /* in Shogi restore piece to its original first */
9514 captured = (ChessSquare) (DEMOTED captured);
9517 p = PieceToNumber((ChessSquare)p);
9518 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9519 board[p][BOARD_WIDTH-2]++;
9520 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9522 p -= (int)WhitePawn;
9523 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9524 captured = (ChessSquare) (DEMOTED captured);
9527 p = PieceToNumber((ChessSquare)p);
9528 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9529 board[BOARD_HEIGHT-1-p][1]++;
9530 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9533 } else if (gameInfo.variant == VariantAtomic) {
9534 if (captured != EmptySquare) {
9536 for (y = toY-1; y <= toY+1; y++) {
9537 for (x = toX-1; x <= toX+1; x++) {
9538 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9539 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9540 board[y][x] = EmptySquare;
9544 board[toY][toX] = EmptySquare;
9547 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9548 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9550 if(promoChar == '+') {
9551 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9552 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9553 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9554 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9555 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9556 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9557 board[toY][toX] = newPiece;
9559 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9560 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9561 // [HGM] superchess: take promotion piece out of holdings
9562 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9563 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9564 if(!--board[k][BOARD_WIDTH-2])
9565 board[k][BOARD_WIDTH-1] = EmptySquare;
9567 if(!--board[BOARD_HEIGHT-1-k][1])
9568 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9574 /* Updates forwardMostMove */
9576 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9578 // forwardMostMove++; // [HGM] bare: moved downstream
9580 (void) CoordsToAlgebraic(boards[forwardMostMove],
9581 PosFlags(forwardMostMove),
9582 fromY, fromX, toY, toX, promoChar,
9583 parseList[forwardMostMove]);
9585 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9586 int timeLeft; static int lastLoadFlag=0; int king, piece;
9587 piece = boards[forwardMostMove][fromY][fromX];
9588 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9589 if(gameInfo.variant == VariantKnightmate)
9590 king += (int) WhiteUnicorn - (int) WhiteKing;
9591 if(forwardMostMove == 0) {
9592 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9593 fprintf(serverMoves, "%s;", UserName());
9594 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9595 fprintf(serverMoves, "%s;", second.tidy);
9596 fprintf(serverMoves, "%s;", first.tidy);
9597 if(gameMode == MachinePlaysWhite)
9598 fprintf(serverMoves, "%s;", UserName());
9599 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9600 fprintf(serverMoves, "%s;", second.tidy);
9601 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9602 lastLoadFlag = loadFlag;
9604 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9605 // print castling suffix
9606 if( toY == fromY && piece == king ) {
9608 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9610 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9613 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9614 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9615 boards[forwardMostMove][toY][toX] == EmptySquare
9616 && fromX != toX && fromY != toY)
9617 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9619 if(promoChar != NULLCHAR) {
9620 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9621 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9622 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9623 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9626 char buf[MOVE_LEN*2], *p; int len;
9627 fprintf(serverMoves, "/%d/%d",
9628 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9629 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9630 else timeLeft = blackTimeRemaining/1000;
9631 fprintf(serverMoves, "/%d", timeLeft);
9632 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9633 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9634 if(p = strchr(buf, '=')) *p = NULLCHAR;
9635 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9636 fprintf(serverMoves, "/%s", buf);
9638 fflush(serverMoves);
9641 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9642 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9645 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9646 if (commentList[forwardMostMove+1] != NULL) {
9647 free(commentList[forwardMostMove+1]);
9648 commentList[forwardMostMove+1] = NULL;
9650 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9651 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9652 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9653 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9654 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9655 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9656 adjustedClock = FALSE;
9657 gameInfo.result = GameUnfinished;
9658 if (gameInfo.resultDetails != NULL) {
9659 free(gameInfo.resultDetails);
9660 gameInfo.resultDetails = NULL;
9662 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9663 moveList[forwardMostMove - 1]);
9664 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9670 if(gameInfo.variant != VariantShogi)
9671 strcat(parseList[forwardMostMove - 1], "+");
9675 strcat(parseList[forwardMostMove - 1], "#");
9681 /* Updates currentMove if not pausing */
9683 ShowMove (int fromX, int fromY, int toX, int toY)
9685 int instant = (gameMode == PlayFromGameFile) ?
9686 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9687 if(appData.noGUI) return;
9688 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9690 if (forwardMostMove == currentMove + 1) {
9691 AnimateMove(boards[forwardMostMove - 1],
9692 fromX, fromY, toX, toY);
9694 if (appData.highlightLastMove) {
9695 SetHighlights(fromX, fromY, toX, toY);
9698 currentMove = forwardMostMove;
9701 if (instant) return;
9703 DisplayMove(currentMove - 1);
9704 DrawPosition(FALSE, boards[currentMove]);
9705 DisplayBothClocks();
9706 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9710 SendEgtPath (ChessProgramState *cps)
9711 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9712 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9714 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9717 char c, *q = name+1, *r, *s;
9719 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9720 while(*p && *p != ',') *q++ = *p++;
9722 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9723 strcmp(name, ",nalimov:") == 0 ) {
9724 // take nalimov path from the menu-changeable option first, if it is defined
9725 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9726 SendToProgram(buf,cps); // send egtbpath command for nalimov
9728 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9729 (s = StrStr(appData.egtFormats, name)) != NULL) {
9730 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9731 s = r = StrStr(s, ":") + 1; // beginning of path info
9732 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9733 c = *r; *r = 0; // temporarily null-terminate path info
9734 *--q = 0; // strip of trailig ':' from name
9735 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9737 SendToProgram(buf,cps); // send egtbpath command for this format
9739 if(*p == ',') p++; // read away comma to position for next format name
9744 InitChessProgram (ChessProgramState *cps, int setup)
9745 /* setup needed to setup FRC opening position */
9747 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9748 if (appData.noChessProgram) return;
9749 hintRequested = FALSE;
9750 bookRequested = FALSE;
9752 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9753 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9754 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9755 if(cps->memSize) { /* [HGM] memory */
9756 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9757 SendToProgram(buf, cps);
9759 SendEgtPath(cps); /* [HGM] EGT */
9760 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9761 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9762 SendToProgram(buf, cps);
9765 SendToProgram(cps->initString, cps);
9766 if (gameInfo.variant != VariantNormal &&
9767 gameInfo.variant != VariantLoadable
9768 /* [HGM] also send variant if board size non-standard */
9769 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9771 char *v = VariantName(gameInfo.variant);
9772 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9773 /* [HGM] in protocol 1 we have to assume all variants valid */
9774 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9775 DisplayFatalError(buf, 0, 1);
9779 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9780 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9781 if( gameInfo.variant == VariantXiangqi )
9782 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9783 if( gameInfo.variant == VariantShogi )
9784 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9785 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9786 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9787 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9788 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9789 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9790 if( gameInfo.variant == VariantCourier )
9791 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9792 if( gameInfo.variant == VariantSuper )
9793 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9794 if( gameInfo.variant == VariantGreat )
9795 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9796 if( gameInfo.variant == VariantSChess )
9797 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9798 if( gameInfo.variant == VariantGrand )
9799 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9802 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9803 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9804 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9805 if(StrStr(cps->variants, b) == NULL) {
9806 // specific sized variant not known, check if general sizing allowed
9807 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9808 if(StrStr(cps->variants, "boardsize") == NULL) {
9809 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9810 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9811 DisplayFatalError(buf, 0, 1);
9814 /* [HGM] here we really should compare with the maximum supported board size */
9817 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9818 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9819 SendToProgram(buf, cps);
9821 currentlyInitializedVariant = gameInfo.variant;
9823 /* [HGM] send opening position in FRC to first engine */
9825 SendToProgram("force\n", cps);
9827 /* engine is now in force mode! Set flag to wake it up after first move. */
9828 setboardSpoiledMachineBlack = 1;
9832 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9833 SendToProgram(buf, cps);
9835 cps->maybeThinking = FALSE;
9836 cps->offeredDraw = 0;
9837 if (!appData.icsActive) {
9838 SendTimeControl(cps, movesPerSession, timeControl,
9839 timeIncrement, appData.searchDepth,
9842 if (appData.showThinking
9843 // [HGM] thinking: four options require thinking output to be sent
9844 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9846 SendToProgram("post\n", cps);
9848 SendToProgram("hard\n", cps);
9849 if (!appData.ponderNextMove) {
9850 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9851 it without being sure what state we are in first. "hard"
9852 is not a toggle, so that one is OK.
9854 SendToProgram("easy\n", cps);
9857 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9858 SendToProgram(buf, cps);
9860 cps->initDone = TRUE;
9861 ClearEngineOutputPane(cps == &second);
9866 StartChessProgram (ChessProgramState *cps)
9871 if (appData.noChessProgram) return;
9872 cps->initDone = FALSE;
9874 if (strcmp(cps->host, "localhost") == 0) {
9875 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9876 } else if (*appData.remoteShell == NULLCHAR) {
9877 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9879 if (*appData.remoteUser == NULLCHAR) {
9880 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9883 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9884 cps->host, appData.remoteUser, cps->program);
9886 err = StartChildProcess(buf, "", &cps->pr);
9890 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9891 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9892 if(cps != &first) return;
9893 appData.noChessProgram = TRUE;
9896 // DisplayFatalError(buf, err, 1);
9897 // cps->pr = NoProc;
9902 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9903 if (cps->protocolVersion > 1) {
9904 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9905 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9906 cps->comboCnt = 0; // and values of combo boxes
9907 SendToProgram(buf, cps);
9909 SendToProgram("xboard\n", cps);
9914 TwoMachinesEventIfReady P((void))
9916 static int curMess = 0;
9917 if (first.lastPing != first.lastPong) {
9918 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9919 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9922 if (second.lastPing != second.lastPong) {
9923 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9924 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9927 DisplayMessage("", ""); curMess = 0;
9933 MakeName (char *template)
9937 static char buf[MSG_SIZ];
9941 clock = time((time_t *)NULL);
9942 tm = localtime(&clock);
9944 while(*p++ = *template++) if(p[-1] == '%') {
9945 switch(*template++) {
9946 case 0: *p = 0; return buf;
9947 case 'Y': i = tm->tm_year+1900; break;
9948 case 'y': i = tm->tm_year-100; break;
9949 case 'M': i = tm->tm_mon+1; break;
9950 case 'd': i = tm->tm_mday; break;
9951 case 'h': i = tm->tm_hour; break;
9952 case 'm': i = tm->tm_min; break;
9953 case 's': i = tm->tm_sec; break;
9956 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9962 CountPlayers (char *p)
9965 while(p = strchr(p, '\n')) p++, n++; // count participants
9970 WriteTourneyFile (char *results, FILE *f)
9971 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9972 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9973 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9974 // create a file with tournament description
9975 fprintf(f, "-participants {%s}\n", appData.participants);
9976 fprintf(f, "-seedBase %d\n", appData.seedBase);
9977 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9978 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9979 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9980 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9981 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9982 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9983 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9984 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9985 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9986 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9987 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9988 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9990 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9992 fprintf(f, "-mps %d\n", appData.movesPerSession);
9993 fprintf(f, "-tc %s\n", appData.timeControl);
9994 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9996 fprintf(f, "-results \"%s\"\n", results);
10001 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10004 Substitute (char *participants, int expunge)
10006 int i, changed, changes=0, nPlayers=0;
10007 char *p, *q, *r, buf[MSG_SIZ];
10008 if(participants == NULL) return;
10009 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10010 r = p = participants; q = appData.participants;
10011 while(*p && *p == *q) {
10012 if(*p == '\n') r = p+1, nPlayers++;
10015 if(*p) { // difference
10016 while(*p && *p++ != '\n');
10017 while(*q && *q++ != '\n');
10018 changed = nPlayers;
10019 changes = 1 + (strcmp(p, q) != 0);
10021 if(changes == 1) { // a single engine mnemonic was changed
10022 q = r; while(*q) nPlayers += (*q++ == '\n');
10023 p = buf; while(*r && (*p = *r++) != '\n') p++;
10025 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10026 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10027 if(mnemonic[i]) { // The substitute is valid
10029 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10030 flock(fileno(f), LOCK_EX);
10031 ParseArgsFromFile(f);
10032 fseek(f, 0, SEEK_SET);
10033 FREE(appData.participants); appData.participants = participants;
10034 if(expunge) { // erase results of replaced engine
10035 int len = strlen(appData.results), w, b, dummy;
10036 for(i=0; i<len; i++) {
10037 Pairing(i, nPlayers, &w, &b, &dummy);
10038 if((w == changed || b == changed) && appData.results[i] == '*') {
10039 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10044 for(i=0; i<len; i++) {
10045 Pairing(i, nPlayers, &w, &b, &dummy);
10046 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10049 WriteTourneyFile(appData.results, f);
10050 fclose(f); // release lock
10053 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10055 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10056 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10057 free(participants);
10062 CreateTourney (char *name)
10065 if(matchMode && strcmp(name, appData.tourneyFile)) {
10066 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10068 if(name[0] == NULLCHAR) {
10069 if(appData.participants[0])
10070 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10073 f = fopen(name, "r");
10074 if(f) { // file exists
10075 ASSIGN(appData.tourneyFile, name);
10076 ParseArgsFromFile(f); // parse it
10078 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10079 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10080 DisplayError(_("Not enough participants"), 0);
10083 ASSIGN(appData.tourneyFile, name);
10084 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10085 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10088 appData.noChessProgram = FALSE;
10089 appData.clockMode = TRUE;
10095 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10097 char buf[MSG_SIZ], *p, *q;
10098 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10099 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10100 skip = !all && group[0]; // if group requested, we start in skip mode
10101 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10102 p = names; q = buf; header = 0;
10103 while(*p && *p != '\n') *q++ = *p++;
10105 if(*p == '\n') p++;
10106 if(buf[0] == '#') {
10107 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10108 depth++; // we must be entering a new group
10109 if(all) continue; // suppress printing group headers when complete list requested
10111 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10113 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10114 if(engineList[i]) free(engineList[i]);
10115 engineList[i] = strdup(buf);
10116 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10117 if(engineMnemonic[i]) free(engineMnemonic[i]);
10118 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10120 sscanf(q + 8, "%s", buf + strlen(buf));
10123 engineMnemonic[i] = strdup(buf);
10126 engineList[i] = engineMnemonic[i] = NULL;
10130 // following implemented as macro to avoid type limitations
10131 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10134 SwapEngines (int n)
10135 { // swap settings for first engine and other engine (so far only some selected options)
10140 SWAP(chessProgram, p)
10142 SWAP(hasOwnBookUCI, h)
10143 SWAP(protocolVersion, h)
10145 SWAP(scoreIsAbsolute, h)
10150 SWAP(engOptions, p)
10151 SWAP(engInitString, p)
10152 SWAP(computerString, p)
10154 SWAP(fenOverride, p)
10156 SWAP(accumulateTC, h)
10161 SetPlayer (int player, char *p)
10162 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10164 char buf[MSG_SIZ], *engineName;
10165 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10166 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10167 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10169 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10170 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10171 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10172 ParseArgsFromString(buf);
10178 char *recentEngines;
10181 RecentEngineEvent (int nr)
10184 // SwapEngines(1); // bump first to second
10185 // ReplaceEngine(&second, 1); // and load it there
10186 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10187 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10188 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10189 ReplaceEngine(&first, 0);
10190 FloatToFront(&appData.recentEngineList, command[n]);
10195 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10196 { // determine players from game number
10197 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10199 if(appData.tourneyType == 0) {
10200 roundsPerCycle = (nPlayers - 1) | 1;
10201 pairingsPerRound = nPlayers / 2;
10202 } else if(appData.tourneyType > 0) {
10203 roundsPerCycle = nPlayers - appData.tourneyType;
10204 pairingsPerRound = appData.tourneyType;
10206 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10207 gamesPerCycle = gamesPerRound * roundsPerCycle;
10208 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10209 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10210 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10211 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10212 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10213 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10215 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10216 if(appData.roundSync) *syncInterval = gamesPerRound;
10218 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10220 if(appData.tourneyType == 0) {
10221 if(curPairing == (nPlayers-1)/2 ) {
10222 *whitePlayer = curRound;
10223 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10225 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10226 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10227 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10228 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10230 } else if(appData.tourneyType > 1) {
10231 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10232 *whitePlayer = curRound + appData.tourneyType;
10233 } else if(appData.tourneyType > 0) {
10234 *whitePlayer = curPairing;
10235 *blackPlayer = curRound + appData.tourneyType;
10238 // take care of white/black alternation per round.
10239 // For cycles and games this is already taken care of by default, derived from matchGame!
10240 return curRound & 1;
10244 NextTourneyGame (int nr, int *swapColors)
10245 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10247 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10249 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10250 tf = fopen(appData.tourneyFile, "r");
10251 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10252 ParseArgsFromFile(tf); fclose(tf);
10253 InitTimeControls(); // TC might be altered from tourney file
10255 nPlayers = CountPlayers(appData.participants); // count participants
10256 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10257 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10260 p = q = appData.results;
10261 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10262 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10263 DisplayMessage(_("Waiting for other game(s)"),"");
10264 waitingForGame = TRUE;
10265 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10268 waitingForGame = FALSE;
10271 if(appData.tourneyType < 0) {
10272 if(nr>=0 && !pairingReceived) {
10274 if(pairing.pr == NoProc) {
10275 if(!appData.pairingEngine[0]) {
10276 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10279 StartChessProgram(&pairing); // starts the pairing engine
10281 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10282 SendToProgram(buf, &pairing);
10283 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10284 SendToProgram(buf, &pairing);
10285 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10287 pairingReceived = 0; // ... so we continue here
10289 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10290 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10291 matchGame = 1; roundNr = nr / syncInterval + 1;
10294 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10296 // redefine engines, engine dir, etc.
10297 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10298 if(first.pr == NoProc) {
10299 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10300 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10302 if(second.pr == NoProc) {
10304 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10305 SwapEngines(1); // and make that valid for second engine by swapping
10306 InitEngine(&second, 1);
10308 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10309 UpdateLogos(FALSE); // leave display to ModeHiglight()
10315 { // performs game initialization that does not invoke engines, and then tries to start the game
10316 int res, firstWhite, swapColors = 0;
10317 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10318 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
10320 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10321 if(strcmp(buf, currentDebugFile)) { // name has changed
10322 FILE *f = fopen(buf, "w");
10323 if(f) { // if opening the new file failed, just keep using the old one
10324 ASSIGN(currentDebugFile, buf);
10328 if(appData.serverFileName) {
10329 if(serverFP) fclose(serverFP);
10330 serverFP = fopen(appData.serverFileName, "w");
10331 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10332 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10336 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10337 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10338 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10339 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10340 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10341 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10342 Reset(FALSE, first.pr != NoProc);
10343 res = LoadGameOrPosition(matchGame); // setup game
10344 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10345 if(!res) return; // abort when bad game/pos file
10346 TwoMachinesEvent();
10350 UserAdjudicationEvent (int result)
10352 ChessMove gameResult = GameIsDrawn;
10355 gameResult = WhiteWins;
10357 else if( result < 0 ) {
10358 gameResult = BlackWins;
10361 if( gameMode == TwoMachinesPlay ) {
10362 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10367 // [HGM] save: calculate checksum of game to make games easily identifiable
10369 StringCheckSum (char *s)
10372 if(s==NULL) return 0;
10373 while(*s) i = i*259 + *s++;
10381 for(i=backwardMostMove; i<forwardMostMove; i++) {
10382 sum += pvInfoList[i].depth;
10383 sum += StringCheckSum(parseList[i]);
10384 sum += StringCheckSum(commentList[i]);
10387 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10388 return sum + StringCheckSum(commentList[i]);
10389 } // end of save patch
10392 GameEnds (ChessMove result, char *resultDetails, int whosays)
10394 GameMode nextGameMode;
10396 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10398 if(endingGame) return; /* [HGM] crash: forbid recursion */
10400 if(twoBoards) { // [HGM] dual: switch back to one board
10401 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10402 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10404 if (appData.debugMode) {
10405 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10406 result, resultDetails ? resultDetails : "(null)", whosays);
10409 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10411 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10412 /* If we are playing on ICS, the server decides when the
10413 game is over, but the engine can offer to draw, claim
10417 if (appData.zippyPlay && first.initDone) {
10418 if (result == GameIsDrawn) {
10419 /* In case draw still needs to be claimed */
10420 SendToICS(ics_prefix);
10421 SendToICS("draw\n");
10422 } else if (StrCaseStr(resultDetails, "resign")) {
10423 SendToICS(ics_prefix);
10424 SendToICS("resign\n");
10428 endingGame = 0; /* [HGM] crash */
10432 /* If we're loading the game from a file, stop */
10433 if (whosays == GE_FILE) {
10434 (void) StopLoadGameTimer();
10438 /* Cancel draw offers */
10439 first.offeredDraw = second.offeredDraw = 0;
10441 /* If this is an ICS game, only ICS can really say it's done;
10442 if not, anyone can. */
10443 isIcsGame = (gameMode == IcsPlayingWhite ||
10444 gameMode == IcsPlayingBlack ||
10445 gameMode == IcsObserving ||
10446 gameMode == IcsExamining);
10448 if (!isIcsGame || whosays == GE_ICS) {
10449 /* OK -- not an ICS game, or ICS said it was done */
10451 if (!isIcsGame && !appData.noChessProgram)
10452 SetUserThinkingEnables();
10454 /* [HGM] if a machine claims the game end we verify this claim */
10455 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10456 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10458 ChessMove trueResult = (ChessMove) -1;
10460 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10461 first.twoMachinesColor[0] :
10462 second.twoMachinesColor[0] ;
10464 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10465 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10466 /* [HGM] verify: engine mate claims accepted if they were flagged */
10467 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10469 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10470 /* [HGM] verify: engine mate claims accepted if they were flagged */
10471 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10473 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10474 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10477 // now verify win claims, but not in drop games, as we don't understand those yet
10478 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10479 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10480 (result == WhiteWins && claimer == 'w' ||
10481 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10482 if (appData.debugMode) {
10483 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10484 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10486 if(result != trueResult) {
10487 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10488 result = claimer == 'w' ? BlackWins : WhiteWins;
10489 resultDetails = buf;
10492 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10493 && (forwardMostMove <= backwardMostMove ||
10494 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10495 (claimer=='b')==(forwardMostMove&1))
10497 /* [HGM] verify: draws that were not flagged are false claims */
10498 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10499 result = claimer == 'w' ? BlackWins : WhiteWins;
10500 resultDetails = buf;
10502 /* (Claiming a loss is accepted no questions asked!) */
10504 /* [HGM] bare: don't allow bare King to win */
10505 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10506 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10507 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10508 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10509 && result != GameIsDrawn)
10510 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10511 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10512 int p = (signed char)boards[forwardMostMove][i][j] - color;
10513 if(p >= 0 && p <= (int)WhiteKing) k++;
10515 if (appData.debugMode) {
10516 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10517 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10520 result = GameIsDrawn;
10521 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10522 resultDetails = buf;
10528 if(serverMoves != NULL && !loadFlag) { char c = '=';
10529 if(result==WhiteWins) c = '+';
10530 if(result==BlackWins) c = '-';
10531 if(resultDetails != NULL)
10532 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10534 if (resultDetails != NULL) {
10535 gameInfo.result = result;
10536 gameInfo.resultDetails = StrSave(resultDetails);
10538 /* display last move only if game was not loaded from file */
10539 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10540 DisplayMove(currentMove - 1);
10542 if (forwardMostMove != 0) {
10543 if (gameMode != PlayFromGameFile && gameMode != EditGame
10544 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10546 if (*appData.saveGameFile != NULLCHAR) {
10547 SaveGameToFile(appData.saveGameFile, TRUE);
10548 } else if (appData.autoSaveGames) {
10551 if (*appData.savePositionFile != NULLCHAR) {
10552 SavePositionToFile(appData.savePositionFile);
10557 /* Tell program how game ended in case it is learning */
10558 /* [HGM] Moved this to after saving the PGN, just in case */
10559 /* engine died and we got here through time loss. In that */
10560 /* case we will get a fatal error writing the pipe, which */
10561 /* would otherwise lose us the PGN. */
10562 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10563 /* output during GameEnds should never be fatal anymore */
10564 if (gameMode == MachinePlaysWhite ||
10565 gameMode == MachinePlaysBlack ||
10566 gameMode == TwoMachinesPlay ||
10567 gameMode == IcsPlayingWhite ||
10568 gameMode == IcsPlayingBlack ||
10569 gameMode == BeginningOfGame) {
10571 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10573 if (first.pr != NoProc) {
10574 SendToProgram(buf, &first);
10576 if (second.pr != NoProc &&
10577 gameMode == TwoMachinesPlay) {
10578 SendToProgram(buf, &second);
10583 if (appData.icsActive) {
10584 if (appData.quietPlay &&
10585 (gameMode == IcsPlayingWhite ||
10586 gameMode == IcsPlayingBlack)) {
10587 SendToICS(ics_prefix);
10588 SendToICS("set shout 1\n");
10590 nextGameMode = IcsIdle;
10591 ics_user_moved = FALSE;
10592 /* clean up premove. It's ugly when the game has ended and the
10593 * premove highlights are still on the board.
10596 gotPremove = FALSE;
10597 ClearPremoveHighlights();
10598 DrawPosition(FALSE, boards[currentMove]);
10600 if (whosays == GE_ICS) {
10603 if (gameMode == IcsPlayingWhite)
10605 else if(gameMode == IcsPlayingBlack)
10606 PlayIcsLossSound();
10609 if (gameMode == IcsPlayingBlack)
10611 else if(gameMode == IcsPlayingWhite)
10612 PlayIcsLossSound();
10615 PlayIcsDrawSound();
10618 PlayIcsUnfinishedSound();
10621 } else if (gameMode == EditGame ||
10622 gameMode == PlayFromGameFile ||
10623 gameMode == AnalyzeMode ||
10624 gameMode == AnalyzeFile) {
10625 nextGameMode = gameMode;
10627 nextGameMode = EndOfGame;
10632 nextGameMode = gameMode;
10635 if (appData.noChessProgram) {
10636 gameMode = nextGameMode;
10638 endingGame = 0; /* [HGM] crash */
10643 /* Put first chess program into idle state */
10644 if (first.pr != NoProc &&
10645 (gameMode == MachinePlaysWhite ||
10646 gameMode == MachinePlaysBlack ||
10647 gameMode == TwoMachinesPlay ||
10648 gameMode == IcsPlayingWhite ||
10649 gameMode == IcsPlayingBlack ||
10650 gameMode == BeginningOfGame)) {
10651 SendToProgram("force\n", &first);
10652 if (first.usePing) {
10654 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10655 SendToProgram(buf, &first);
10658 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10659 /* Kill off first chess program */
10660 if (first.isr != NULL)
10661 RemoveInputSource(first.isr);
10664 if (first.pr != NoProc) {
10666 DoSleep( appData.delayBeforeQuit );
10667 SendToProgram("quit\n", &first);
10668 DoSleep( appData.delayAfterQuit );
10669 DestroyChildProcess(first.pr, first.useSigterm);
10673 if (second.reuse) {
10674 /* Put second chess program into idle state */
10675 if (second.pr != NoProc &&
10676 gameMode == TwoMachinesPlay) {
10677 SendToProgram("force\n", &second);
10678 if (second.usePing) {
10680 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10681 SendToProgram(buf, &second);
10684 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10685 /* Kill off second chess program */
10686 if (second.isr != NULL)
10687 RemoveInputSource(second.isr);
10690 if (second.pr != NoProc) {
10691 DoSleep( appData.delayBeforeQuit );
10692 SendToProgram("quit\n", &second);
10693 DoSleep( appData.delayAfterQuit );
10694 DestroyChildProcess(second.pr, second.useSigterm);
10696 second.pr = NoProc;
10699 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10700 char resChar = '=';
10704 if (first.twoMachinesColor[0] == 'w') {
10707 second.matchWins++;
10712 if (first.twoMachinesColor[0] == 'b') {
10715 second.matchWins++;
10718 case GameUnfinished:
10724 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10725 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10726 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10727 ReserveGame(nextGame, resChar); // sets nextGame
10728 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10729 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10730 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10732 if (nextGame <= appData.matchGames && !abortMatch) {
10733 gameMode = nextGameMode;
10734 matchGame = nextGame; // this will be overruled in tourney mode!
10735 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10736 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10737 endingGame = 0; /* [HGM] crash */
10740 gameMode = nextGameMode;
10741 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10742 first.tidy, second.tidy,
10743 first.matchWins, second.matchWins,
10744 appData.matchGames - (first.matchWins + second.matchWins));
10745 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10746 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10747 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10748 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10749 first.twoMachinesColor = "black\n";
10750 second.twoMachinesColor = "white\n";
10752 first.twoMachinesColor = "white\n";
10753 second.twoMachinesColor = "black\n";
10757 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10758 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10760 gameMode = nextGameMode;
10762 endingGame = 0; /* [HGM] crash */
10763 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10764 if(matchMode == TRUE) { // match through command line: exit with or without popup
10766 ToNrEvent(forwardMostMove);
10767 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10769 } else DisplayFatalError(buf, 0, 0);
10770 } else { // match through menu; just stop, with or without popup
10771 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10774 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10775 } else DisplayNote(buf);
10777 if(ranking) free(ranking);
10781 /* Assumes program was just initialized (initString sent).
10782 Leaves program in force mode. */
10784 FeedMovesToProgram (ChessProgramState *cps, int upto)
10788 if (appData.debugMode)
10789 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10790 startedFromSetupPosition ? "position and " : "",
10791 backwardMostMove, upto, cps->which);
10792 if(currentlyInitializedVariant != gameInfo.variant) {
10794 // [HGM] variantswitch: make engine aware of new variant
10795 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10796 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10797 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10798 SendToProgram(buf, cps);
10799 currentlyInitializedVariant = gameInfo.variant;
10801 SendToProgram("force\n", cps);
10802 if (startedFromSetupPosition) {
10803 SendBoard(cps, backwardMostMove);
10804 if (appData.debugMode) {
10805 fprintf(debugFP, "feedMoves\n");
10808 for (i = backwardMostMove; i < upto; i++) {
10809 SendMoveToProgram(i, cps);
10815 ResurrectChessProgram ()
10817 /* The chess program may have exited.
10818 If so, restart it and feed it all the moves made so far. */
10819 static int doInit = 0;
10821 if (appData.noChessProgram) return 1;
10823 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10824 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10825 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10826 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10828 if (first.pr != NoProc) return 1;
10829 StartChessProgram(&first);
10831 InitChessProgram(&first, FALSE);
10832 FeedMovesToProgram(&first, currentMove);
10834 if (!first.sendTime) {
10835 /* can't tell gnuchess what its clock should read,
10836 so we bow to its notion. */
10838 timeRemaining[0][currentMove] = whiteTimeRemaining;
10839 timeRemaining[1][currentMove] = blackTimeRemaining;
10842 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10843 appData.icsEngineAnalyze) && first.analysisSupport) {
10844 SendToProgram("analyze\n", &first);
10845 first.analyzing = TRUE;
10851 * Button procedures
10854 Reset (int redraw, int init)
10858 if (appData.debugMode) {
10859 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10860 redraw, init, gameMode);
10862 CleanupTail(); // [HGM] vari: delete any stored variations
10863 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10864 pausing = pauseExamInvalid = FALSE;
10865 startedFromSetupPosition = blackPlaysFirst = FALSE;
10867 whiteFlag = blackFlag = FALSE;
10868 userOfferedDraw = FALSE;
10869 hintRequested = bookRequested = FALSE;
10870 first.maybeThinking = FALSE;
10871 second.maybeThinking = FALSE;
10872 first.bookSuspend = FALSE; // [HGM] book
10873 second.bookSuspend = FALSE;
10874 thinkOutput[0] = NULLCHAR;
10875 lastHint[0] = NULLCHAR;
10876 ClearGameInfo(&gameInfo);
10877 gameInfo.variant = StringToVariant(appData.variant);
10878 ics_user_moved = ics_clock_paused = FALSE;
10879 ics_getting_history = H_FALSE;
10881 white_holding[0] = black_holding[0] = NULLCHAR;
10882 ClearProgramStats();
10883 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10887 flipView = appData.flipView;
10888 ClearPremoveHighlights();
10889 gotPremove = FALSE;
10890 alarmSounded = FALSE;
10892 GameEnds(EndOfFile, NULL, GE_PLAYER);
10893 if(appData.serverMovesName != NULL) {
10894 /* [HGM] prepare to make moves file for broadcasting */
10895 clock_t t = clock();
10896 if(serverMoves != NULL) fclose(serverMoves);
10897 serverMoves = fopen(appData.serverMovesName, "r");
10898 if(serverMoves != NULL) {
10899 fclose(serverMoves);
10900 /* delay 15 sec before overwriting, so all clients can see end */
10901 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10903 serverMoves = fopen(appData.serverMovesName, "w");
10907 gameMode = BeginningOfGame;
10909 if(appData.icsActive) gameInfo.variant = VariantNormal;
10910 currentMove = forwardMostMove = backwardMostMove = 0;
10911 MarkTargetSquares(1);
10912 InitPosition(redraw);
10913 for (i = 0; i < MAX_MOVES; i++) {
10914 if (commentList[i] != NULL) {
10915 free(commentList[i]);
10916 commentList[i] = NULL;
10920 timeRemaining[0][0] = whiteTimeRemaining;
10921 timeRemaining[1][0] = blackTimeRemaining;
10923 if (first.pr == NoProc) {
10924 StartChessProgram(&first);
10927 InitChessProgram(&first, startedFromSetupPosition);
10930 DisplayMessage("", "");
10931 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10932 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10933 ClearMap(); // [HGM] exclude: invalidate map
10937 AutoPlayGameLoop ()
10940 if (!AutoPlayOneMove())
10942 if (matchMode || appData.timeDelay == 0)
10944 if (appData.timeDelay < 0)
10946 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
10955 int fromX, fromY, toX, toY;
10957 if (appData.debugMode) {
10958 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10961 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10964 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10965 pvInfoList[currentMove].depth = programStats.depth;
10966 pvInfoList[currentMove].score = programStats.score;
10967 pvInfoList[currentMove].time = 0;
10968 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10971 if (currentMove >= forwardMostMove) {
10972 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10973 // gameMode = EndOfGame;
10974 // ModeHighlight();
10976 /* [AS] Clear current move marker at the end of a game */
10977 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10982 toX = moveList[currentMove][2] - AAA;
10983 toY = moveList[currentMove][3] - ONE;
10985 if (moveList[currentMove][1] == '@') {
10986 if (appData.highlightLastMove) {
10987 SetHighlights(-1, -1, toX, toY);
10990 fromX = moveList[currentMove][0] - AAA;
10991 fromY = moveList[currentMove][1] - ONE;
10993 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10995 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10997 if (appData.highlightLastMove) {
10998 SetHighlights(fromX, fromY, toX, toY);
11001 DisplayMove(currentMove);
11002 SendMoveToProgram(currentMove++, &first);
11003 DisplayBothClocks();
11004 DrawPosition(FALSE, boards[currentMove]);
11005 // [HGM] PV info: always display, routine tests if empty
11006 DisplayComment(currentMove - 1, commentList[currentMove]);
11012 LoadGameOneMove (ChessMove readAhead)
11014 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11015 char promoChar = NULLCHAR;
11016 ChessMove moveType;
11017 char move[MSG_SIZ];
11020 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11021 gameMode != AnalyzeMode && gameMode != Training) {
11026 yyboardindex = forwardMostMove;
11027 if (readAhead != EndOfFile) {
11028 moveType = readAhead;
11030 if (gameFileFP == NULL)
11032 moveType = (ChessMove) Myylex();
11036 switch (moveType) {
11038 if (appData.debugMode)
11039 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11042 /* append the comment but don't display it */
11043 AppendComment(currentMove, p, FALSE);
11046 case WhiteCapturesEnPassant:
11047 case BlackCapturesEnPassant:
11048 case WhitePromotion:
11049 case BlackPromotion:
11050 case WhiteNonPromotion:
11051 case BlackNonPromotion:
11053 case WhiteKingSideCastle:
11054 case WhiteQueenSideCastle:
11055 case BlackKingSideCastle:
11056 case BlackQueenSideCastle:
11057 case WhiteKingSideCastleWild:
11058 case WhiteQueenSideCastleWild:
11059 case BlackKingSideCastleWild:
11060 case BlackQueenSideCastleWild:
11062 case WhiteHSideCastleFR:
11063 case WhiteASideCastleFR:
11064 case BlackHSideCastleFR:
11065 case BlackASideCastleFR:
11067 if (appData.debugMode)
11068 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11069 fromX = currentMoveString[0] - AAA;
11070 fromY = currentMoveString[1] - ONE;
11071 toX = currentMoveString[2] - AAA;
11072 toY = currentMoveString[3] - ONE;
11073 promoChar = currentMoveString[4];
11078 if (appData.debugMode)
11079 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11080 fromX = moveType == WhiteDrop ?
11081 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11082 (int) CharToPiece(ToLower(currentMoveString[0]));
11084 toX = currentMoveString[2] - AAA;
11085 toY = currentMoveString[3] - ONE;
11091 case GameUnfinished:
11092 if (appData.debugMode)
11093 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11094 p = strchr(yy_text, '{');
11095 if (p == NULL) p = strchr(yy_text, '(');
11098 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11100 q = strchr(p, *p == '{' ? '}' : ')');
11101 if (q != NULL) *q = NULLCHAR;
11104 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11105 GameEnds(moveType, p, GE_FILE);
11107 if (cmailMsgLoaded) {
11109 flipView = WhiteOnMove(currentMove);
11110 if (moveType == GameUnfinished) flipView = !flipView;
11111 if (appData.debugMode)
11112 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11117 if (appData.debugMode)
11118 fprintf(debugFP, "Parser hit end of file\n");
11119 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11125 if (WhiteOnMove(currentMove)) {
11126 GameEnds(BlackWins, "Black mates", GE_FILE);
11128 GameEnds(WhiteWins, "White mates", GE_FILE);
11132 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11138 case MoveNumberOne:
11139 if (lastLoadGameStart == GNUChessGame) {
11140 /* GNUChessGames have numbers, but they aren't move numbers */
11141 if (appData.debugMode)
11142 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11143 yy_text, (int) moveType);
11144 return LoadGameOneMove(EndOfFile); /* tail recursion */
11146 /* else fall thru */
11151 /* Reached start of next game in file */
11152 if (appData.debugMode)
11153 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11154 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11160 if (WhiteOnMove(currentMove)) {
11161 GameEnds(BlackWins, "Black mates", GE_FILE);
11163 GameEnds(WhiteWins, "White mates", GE_FILE);
11167 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11173 case PositionDiagram: /* should not happen; ignore */
11174 case ElapsedTime: /* ignore */
11175 case NAG: /* ignore */
11176 if (appData.debugMode)
11177 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11178 yy_text, (int) moveType);
11179 return LoadGameOneMove(EndOfFile); /* tail recursion */
11182 if (appData.testLegality) {
11183 if (appData.debugMode)
11184 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11185 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11186 (forwardMostMove / 2) + 1,
11187 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11188 DisplayError(move, 0);
11191 if (appData.debugMode)
11192 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11193 yy_text, currentMoveString);
11194 fromX = currentMoveString[0] - AAA;
11195 fromY = currentMoveString[1] - ONE;
11196 toX = currentMoveString[2] - AAA;
11197 toY = currentMoveString[3] - ONE;
11198 promoChar = currentMoveString[4];
11202 case AmbiguousMove:
11203 if (appData.debugMode)
11204 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11205 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11206 (forwardMostMove / 2) + 1,
11207 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11208 DisplayError(move, 0);
11213 case ImpossibleMove:
11214 if (appData.debugMode)
11215 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11216 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11217 (forwardMostMove / 2) + 1,
11218 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11219 DisplayError(move, 0);
11225 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11226 DrawPosition(FALSE, boards[currentMove]);
11227 DisplayBothClocks();
11228 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11229 DisplayComment(currentMove - 1, commentList[currentMove]);
11231 (void) StopLoadGameTimer();
11233 cmailOldMove = forwardMostMove;
11236 /* currentMoveString is set as a side-effect of yylex */
11238 thinkOutput[0] = NULLCHAR;
11239 MakeMove(fromX, fromY, toX, toY, promoChar);
11240 currentMove = forwardMostMove;
11245 /* Load the nth game from the given file */
11247 LoadGameFromFile (char *filename, int n, char *title, int useList)
11252 if (strcmp(filename, "-") == 0) {
11256 f = fopen(filename, "rb");
11258 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11259 DisplayError(buf, errno);
11263 if (fseek(f, 0, 0) == -1) {
11264 /* f is not seekable; probably a pipe */
11267 if (useList && n == 0) {
11268 int error = GameListBuild(f);
11270 DisplayError(_("Cannot build game list"), error);
11271 } else if (!ListEmpty(&gameList) &&
11272 ((ListGame *) gameList.tailPred)->number > 1) {
11273 GameListPopUp(f, title);
11280 return LoadGame(f, n, title, FALSE);
11285 MakeRegisteredMove ()
11287 int fromX, fromY, toX, toY;
11289 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11290 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11293 if (appData.debugMode)
11294 fprintf(debugFP, "Restoring %s for game %d\n",
11295 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11297 thinkOutput[0] = NULLCHAR;
11298 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11299 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11300 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11301 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11302 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11303 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11304 MakeMove(fromX, fromY, toX, toY, promoChar);
11305 ShowMove(fromX, fromY, toX, toY);
11307 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11314 if (WhiteOnMove(currentMove)) {
11315 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11317 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11322 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11329 if (WhiteOnMove(currentMove)) {
11330 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11332 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11337 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11348 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11350 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11354 if (gameNumber > nCmailGames) {
11355 DisplayError(_("No more games in this message"), 0);
11358 if (f == lastLoadGameFP) {
11359 int offset = gameNumber - lastLoadGameNumber;
11361 cmailMsg[0] = NULLCHAR;
11362 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11363 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11364 nCmailMovesRegistered--;
11366 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11367 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11368 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11371 if (! RegisterMove()) return FALSE;
11375 retVal = LoadGame(f, gameNumber, title, useList);
11377 /* Make move registered during previous look at this game, if any */
11378 MakeRegisteredMove();
11380 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11381 commentList[currentMove]
11382 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11383 DisplayComment(currentMove - 1, commentList[currentMove]);
11389 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11391 ReloadGame (int offset)
11393 int gameNumber = lastLoadGameNumber + offset;
11394 if (lastLoadGameFP == NULL) {
11395 DisplayError(_("No game has been loaded yet"), 0);
11398 if (gameNumber <= 0) {
11399 DisplayError(_("Can't back up any further"), 0);
11402 if (cmailMsgLoaded) {
11403 return CmailLoadGame(lastLoadGameFP, gameNumber,
11404 lastLoadGameTitle, lastLoadGameUseList);
11406 return LoadGame(lastLoadGameFP, gameNumber,
11407 lastLoadGameTitle, lastLoadGameUseList);
11411 int keys[EmptySquare+1];
11414 PositionMatches (Board b1, Board b2)
11417 switch(appData.searchMode) {
11418 case 1: return CompareWithRights(b1, b2);
11420 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11421 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11425 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11426 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11427 sum += keys[b1[r][f]] - keys[b2[r][f]];
11431 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11432 sum += keys[b1[r][f]] - keys[b2[r][f]];
11444 int pieceList[256], quickBoard[256];
11445 ChessSquare pieceType[256] = { EmptySquare };
11446 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11447 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11448 int soughtTotal, turn;
11449 Boolean epOK, flipSearch;
11452 unsigned char piece, to;
11455 #define DSIZE (250000)
11457 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11458 Move *moveDatabase = initialSpace;
11459 unsigned int movePtr, dataSize = DSIZE;
11462 MakePieceList (Board board, int *counts)
11464 int r, f, n=Q_PROMO, total=0;
11465 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11466 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11467 int sq = f + (r<<4);
11468 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11469 quickBoard[sq] = ++n;
11471 pieceType[n] = board[r][f];
11472 counts[board[r][f]]++;
11473 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11474 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11478 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11483 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11485 int sq = fromX + (fromY<<4);
11486 int piece = quickBoard[sq];
11487 quickBoard[sq] = 0;
11488 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11489 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11490 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11491 moveDatabase[movePtr++].piece = Q_WCASTL;
11492 quickBoard[sq] = piece;
11493 piece = quickBoard[from]; quickBoard[from] = 0;
11494 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11496 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11497 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11498 moveDatabase[movePtr++].piece = Q_BCASTL;
11499 quickBoard[sq] = piece;
11500 piece = quickBoard[from]; quickBoard[from] = 0;
11501 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11503 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11504 quickBoard[(fromY<<4)+toX] = 0;
11505 moveDatabase[movePtr].piece = Q_EP;
11506 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11507 moveDatabase[movePtr].to = sq;
11509 if(promoPiece != pieceType[piece]) {
11510 moveDatabase[movePtr++].piece = Q_PROMO;
11511 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11513 moveDatabase[movePtr].piece = piece;
11514 quickBoard[sq] = piece;
11519 PackGame (Board board)
11521 Move *newSpace = NULL;
11522 moveDatabase[movePtr].piece = 0; // terminate previous game
11523 if(movePtr > dataSize) {
11524 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11525 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11526 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11529 Move *p = moveDatabase, *q = newSpace;
11530 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11531 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11532 moveDatabase = newSpace;
11533 } else { // calloc failed, we must be out of memory. Too bad...
11534 dataSize = 0; // prevent calloc events for all subsequent games
11535 return 0; // and signal this one isn't cached
11539 MakePieceList(board, counts);
11544 QuickCompare (Board board, int *minCounts, int *maxCounts)
11545 { // compare according to search mode
11547 switch(appData.searchMode)
11549 case 1: // exact position match
11550 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11551 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11552 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11555 case 2: // can have extra material on empty squares
11556 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11557 if(board[r][f] == EmptySquare) continue;
11558 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11561 case 3: // material with exact Pawn structure
11562 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11563 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11564 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11565 } // fall through to material comparison
11566 case 4: // exact material
11567 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11569 case 6: // material range with given imbalance
11570 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11571 // fall through to range comparison
11572 case 5: // material range
11573 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11579 QuickScan (Board board, Move *move)
11580 { // reconstruct game,and compare all positions in it
11581 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11583 int piece = move->piece;
11584 int to = move->to, from = pieceList[piece];
11585 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11586 if(!piece) return -1;
11587 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11588 piece = (++move)->piece;
11589 from = pieceList[piece];
11590 counts[pieceType[piece]]--;
11591 pieceType[piece] = (ChessSquare) move->to;
11592 counts[move->to]++;
11593 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11594 counts[pieceType[quickBoard[to]]]--;
11595 quickBoard[to] = 0; total--;
11598 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11599 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11600 from = pieceList[piece]; // so this must be King
11601 quickBoard[from] = 0;
11602 pieceList[piece] = to;
11603 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11604 quickBoard[from] = 0; // rook
11605 quickBoard[to] = piece;
11606 to = move->to; piece = move->piece;
11610 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11611 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11612 quickBoard[from] = 0;
11614 quickBoard[to] = piece;
11615 pieceList[piece] = to;
11617 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11618 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11619 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11620 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11622 static int lastCounts[EmptySquare+1];
11624 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11625 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11626 } else stretch = 0;
11627 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11636 flipSearch = FALSE;
11637 CopyBoard(soughtBoard, boards[currentMove]);
11638 soughtTotal = MakePieceList(soughtBoard, maxSought);
11639 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11640 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11641 CopyBoard(reverseBoard, boards[currentMove]);
11642 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11643 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11644 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11645 reverseBoard[r][f] = piece;
11647 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11648 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11649 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11650 || (boards[currentMove][CASTLING][2] == NoRights ||
11651 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11652 && (boards[currentMove][CASTLING][5] == NoRights ||
11653 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11656 CopyBoard(flipBoard, soughtBoard);
11657 CopyBoard(rotateBoard, reverseBoard);
11658 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11659 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11660 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11663 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11664 if(appData.searchMode >= 5) {
11665 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11666 MakePieceList(soughtBoard, minSought);
11667 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11669 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11670 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11673 GameInfo dummyInfo;
11676 GameContainsPosition (FILE *f, ListGame *lg)
11678 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11679 int fromX, fromY, toX, toY;
11681 static int initDone=FALSE;
11683 // weed out games based on numerical tag comparison
11684 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11685 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11686 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11687 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11689 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11692 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11693 else CopyBoard(boards[scratch], initialPosition); // default start position
11696 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11697 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11700 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11701 fseek(f, lg->offset, 0);
11704 yyboardindex = scratch;
11705 quickFlag = plyNr+1;
11710 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11716 if(plyNr) return -1; // after we have seen moves, this is for new game
11719 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11720 case ImpossibleMove:
11721 case WhiteWins: // game ends here with these four
11724 case GameUnfinished:
11728 if(appData.testLegality) return -1;
11729 case WhiteCapturesEnPassant:
11730 case BlackCapturesEnPassant:
11731 case WhitePromotion:
11732 case BlackPromotion:
11733 case WhiteNonPromotion:
11734 case BlackNonPromotion:
11736 case WhiteKingSideCastle:
11737 case WhiteQueenSideCastle:
11738 case BlackKingSideCastle:
11739 case BlackQueenSideCastle:
11740 case WhiteKingSideCastleWild:
11741 case WhiteQueenSideCastleWild:
11742 case BlackKingSideCastleWild:
11743 case BlackQueenSideCastleWild:
11744 case WhiteHSideCastleFR:
11745 case WhiteASideCastleFR:
11746 case BlackHSideCastleFR:
11747 case BlackASideCastleFR:
11748 fromX = currentMoveString[0] - AAA;
11749 fromY = currentMoveString[1] - ONE;
11750 toX = currentMoveString[2] - AAA;
11751 toY = currentMoveString[3] - ONE;
11752 promoChar = currentMoveString[4];
11756 fromX = next == WhiteDrop ?
11757 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11758 (int) CharToPiece(ToLower(currentMoveString[0]));
11760 toX = currentMoveString[2] - AAA;
11761 toY = currentMoveString[3] - ONE;
11765 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11767 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11768 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11769 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11770 if(appData.findMirror) {
11771 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11772 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11777 /* Load the nth game from open file f */
11779 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11783 int gn = gameNumber;
11784 ListGame *lg = NULL;
11785 int numPGNTags = 0;
11787 GameMode oldGameMode;
11788 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11790 if (appData.debugMode)
11791 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11793 if (gameMode == Training )
11794 SetTrainingModeOff();
11796 oldGameMode = gameMode;
11797 if (gameMode != BeginningOfGame) {
11798 Reset(FALSE, TRUE);
11802 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11803 fclose(lastLoadGameFP);
11807 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11810 fseek(f, lg->offset, 0);
11811 GameListHighlight(gameNumber);
11812 pos = lg->position;
11816 DisplayError(_("Game number out of range"), 0);
11821 if (fseek(f, 0, 0) == -1) {
11822 if (f == lastLoadGameFP ?
11823 gameNumber == lastLoadGameNumber + 1 :
11827 DisplayError(_("Can't seek on game file"), 0);
11832 lastLoadGameFP = f;
11833 lastLoadGameNumber = gameNumber;
11834 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11835 lastLoadGameUseList = useList;
11839 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11840 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11841 lg->gameInfo.black);
11843 } else if (*title != NULLCHAR) {
11844 if (gameNumber > 1) {
11845 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11848 DisplayTitle(title);
11852 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11853 gameMode = PlayFromGameFile;
11857 currentMove = forwardMostMove = backwardMostMove = 0;
11858 CopyBoard(boards[0], initialPosition);
11862 * Skip the first gn-1 games in the file.
11863 * Also skip over anything that precedes an identifiable
11864 * start of game marker, to avoid being confused by
11865 * garbage at the start of the file. Currently
11866 * recognized start of game markers are the move number "1",
11867 * the pattern "gnuchess .* game", the pattern
11868 * "^[#;%] [^ ]* game file", and a PGN tag block.
11869 * A game that starts with one of the latter two patterns
11870 * will also have a move number 1, possibly
11871 * following a position diagram.
11872 * 5-4-02: Let's try being more lenient and allowing a game to
11873 * start with an unnumbered move. Does that break anything?
11875 cm = lastLoadGameStart = EndOfFile;
11877 yyboardindex = forwardMostMove;
11878 cm = (ChessMove) Myylex();
11881 if (cmailMsgLoaded) {
11882 nCmailGames = CMAIL_MAX_GAMES - gn;
11885 DisplayError(_("Game not found in file"), 0);
11892 lastLoadGameStart = cm;
11895 case MoveNumberOne:
11896 switch (lastLoadGameStart) {
11901 case MoveNumberOne:
11903 gn--; /* count this game */
11904 lastLoadGameStart = cm;
11913 switch (lastLoadGameStart) {
11916 case MoveNumberOne:
11918 gn--; /* count this game */
11919 lastLoadGameStart = cm;
11922 lastLoadGameStart = cm; /* game counted already */
11930 yyboardindex = forwardMostMove;
11931 cm = (ChessMove) Myylex();
11932 } while (cm == PGNTag || cm == Comment);
11939 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11940 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11941 != CMAIL_OLD_RESULT) {
11943 cmailResult[ CMAIL_MAX_GAMES
11944 - gn - 1] = CMAIL_OLD_RESULT;
11950 /* Only a NormalMove can be at the start of a game
11951 * without a position diagram. */
11952 if (lastLoadGameStart == EndOfFile ) {
11954 lastLoadGameStart = MoveNumberOne;
11963 if (appData.debugMode)
11964 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11966 if (cm == XBoardGame) {
11967 /* Skip any header junk before position diagram and/or move 1 */
11969 yyboardindex = forwardMostMove;
11970 cm = (ChessMove) Myylex();
11972 if (cm == EndOfFile ||
11973 cm == GNUChessGame || cm == XBoardGame) {
11974 /* Empty game; pretend end-of-file and handle later */
11979 if (cm == MoveNumberOne || cm == PositionDiagram ||
11980 cm == PGNTag || cm == Comment)
11983 } else if (cm == GNUChessGame) {
11984 if (gameInfo.event != NULL) {
11985 free(gameInfo.event);
11987 gameInfo.event = StrSave(yy_text);
11990 startedFromSetupPosition = FALSE;
11991 while (cm == PGNTag) {
11992 if (appData.debugMode)
11993 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11994 err = ParsePGNTag(yy_text, &gameInfo);
11995 if (!err) numPGNTags++;
11997 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11998 if(gameInfo.variant != oldVariant) {
11999 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12000 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12001 InitPosition(TRUE);
12002 oldVariant = gameInfo.variant;
12003 if (appData.debugMode)
12004 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12008 if (gameInfo.fen != NULL) {
12009 Board initial_position;
12010 startedFromSetupPosition = TRUE;
12011 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12013 DisplayError(_("Bad FEN position in file"), 0);
12016 CopyBoard(boards[0], initial_position);
12017 if (blackPlaysFirst) {
12018 currentMove = forwardMostMove = backwardMostMove = 1;
12019 CopyBoard(boards[1], initial_position);
12020 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12021 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12022 timeRemaining[0][1] = whiteTimeRemaining;
12023 timeRemaining[1][1] = blackTimeRemaining;
12024 if (commentList[0] != NULL) {
12025 commentList[1] = commentList[0];
12026 commentList[0] = NULL;
12029 currentMove = forwardMostMove = backwardMostMove = 0;
12031 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12033 initialRulePlies = FENrulePlies;
12034 for( i=0; i< nrCastlingRights; i++ )
12035 initialRights[i] = initial_position[CASTLING][i];
12037 yyboardindex = forwardMostMove;
12038 free(gameInfo.fen);
12039 gameInfo.fen = NULL;
12042 yyboardindex = forwardMostMove;
12043 cm = (ChessMove) Myylex();
12045 /* Handle comments interspersed among the tags */
12046 while (cm == Comment) {
12048 if (appData.debugMode)
12049 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12051 AppendComment(currentMove, p, FALSE);
12052 yyboardindex = forwardMostMove;
12053 cm = (ChessMove) Myylex();
12057 /* don't rely on existence of Event tag since if game was
12058 * pasted from clipboard the Event tag may not exist
12060 if (numPGNTags > 0){
12062 if (gameInfo.variant == VariantNormal) {
12063 VariantClass v = StringToVariant(gameInfo.event);
12064 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12065 if(v < VariantShogi) gameInfo.variant = v;
12068 if( appData.autoDisplayTags ) {
12069 tags = PGNTags(&gameInfo);
12070 TagsPopUp(tags, CmailMsg());
12075 /* Make something up, but don't display it now */
12080 if (cm == PositionDiagram) {
12083 Board initial_position;
12085 if (appData.debugMode)
12086 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12088 if (!startedFromSetupPosition) {
12090 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12091 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12102 initial_position[i][j++] = CharToPiece(*p);
12105 while (*p == ' ' || *p == '\t' ||
12106 *p == '\n' || *p == '\r') p++;
12108 if (strncmp(p, "black", strlen("black"))==0)
12109 blackPlaysFirst = TRUE;
12111 blackPlaysFirst = FALSE;
12112 startedFromSetupPosition = TRUE;
12114 CopyBoard(boards[0], initial_position);
12115 if (blackPlaysFirst) {
12116 currentMove = forwardMostMove = backwardMostMove = 1;
12117 CopyBoard(boards[1], initial_position);
12118 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12119 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12120 timeRemaining[0][1] = whiteTimeRemaining;
12121 timeRemaining[1][1] = blackTimeRemaining;
12122 if (commentList[0] != NULL) {
12123 commentList[1] = commentList[0];
12124 commentList[0] = NULL;
12127 currentMove = forwardMostMove = backwardMostMove = 0;
12130 yyboardindex = forwardMostMove;
12131 cm = (ChessMove) Myylex();
12134 if (first.pr == NoProc) {
12135 StartChessProgram(&first);
12137 InitChessProgram(&first, FALSE);
12138 SendToProgram("force\n", &first);
12139 if (startedFromSetupPosition) {
12140 SendBoard(&first, forwardMostMove);
12141 if (appData.debugMode) {
12142 fprintf(debugFP, "Load Game\n");
12144 DisplayBothClocks();
12147 /* [HGM] server: flag to write setup moves in broadcast file as one */
12148 loadFlag = appData.suppressLoadMoves;
12150 while (cm == Comment) {
12152 if (appData.debugMode)
12153 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12155 AppendComment(currentMove, p, FALSE);
12156 yyboardindex = forwardMostMove;
12157 cm = (ChessMove) Myylex();
12160 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12161 cm == WhiteWins || cm == BlackWins ||
12162 cm == GameIsDrawn || cm == GameUnfinished) {
12163 DisplayMessage("", _("No moves in game"));
12164 if (cmailMsgLoaded) {
12165 if (appData.debugMode)
12166 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12170 DrawPosition(FALSE, boards[currentMove]);
12171 DisplayBothClocks();
12172 gameMode = EditGame;
12179 // [HGM] PV info: routine tests if comment empty
12180 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12181 DisplayComment(currentMove - 1, commentList[currentMove]);
12183 if (!matchMode && appData.timeDelay != 0)
12184 DrawPosition(FALSE, boards[currentMove]);
12186 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12187 programStats.ok_to_send = 1;
12190 /* if the first token after the PGN tags is a move
12191 * and not move number 1, retrieve it from the parser
12193 if (cm != MoveNumberOne)
12194 LoadGameOneMove(cm);
12196 /* load the remaining moves from the file */
12197 while (LoadGameOneMove(EndOfFile)) {
12198 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12199 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12202 /* rewind to the start of the game */
12203 currentMove = backwardMostMove;
12205 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12207 if (oldGameMode == AnalyzeFile ||
12208 oldGameMode == AnalyzeMode) {
12209 AnalyzeFileEvent();
12212 if (!matchMode && pos > 0) {
12213 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12215 if (matchMode || appData.timeDelay == 0) {
12217 } else if (appData.timeDelay > 0) {
12218 AutoPlayGameLoop();
12221 if (appData.debugMode)
12222 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12224 loadFlag = 0; /* [HGM] true game starts */
12228 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12230 ReloadPosition (int offset)
12232 int positionNumber = lastLoadPositionNumber + offset;
12233 if (lastLoadPositionFP == NULL) {
12234 DisplayError(_("No position has been loaded yet"), 0);
12237 if (positionNumber <= 0) {
12238 DisplayError(_("Can't back up any further"), 0);
12241 return LoadPosition(lastLoadPositionFP, positionNumber,
12242 lastLoadPositionTitle);
12245 /* Load the nth position from the given file */
12247 LoadPositionFromFile (char *filename, int n, char *title)
12252 if (strcmp(filename, "-") == 0) {
12253 return LoadPosition(stdin, n, "stdin");
12255 f = fopen(filename, "rb");
12257 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12258 DisplayError(buf, errno);
12261 return LoadPosition(f, n, title);
12266 /* Load the nth position from the given open file, and close it */
12268 LoadPosition (FILE *f, int positionNumber, char *title)
12270 char *p, line[MSG_SIZ];
12271 Board initial_position;
12272 int i, j, fenMode, pn;
12274 if (gameMode == Training )
12275 SetTrainingModeOff();
12277 if (gameMode != BeginningOfGame) {
12278 Reset(FALSE, TRUE);
12280 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12281 fclose(lastLoadPositionFP);
12283 if (positionNumber == 0) positionNumber = 1;
12284 lastLoadPositionFP = f;
12285 lastLoadPositionNumber = positionNumber;
12286 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12287 if (first.pr == NoProc && !appData.noChessProgram) {
12288 StartChessProgram(&first);
12289 InitChessProgram(&first, FALSE);
12291 pn = positionNumber;
12292 if (positionNumber < 0) {
12293 /* Negative position number means to seek to that byte offset */
12294 if (fseek(f, -positionNumber, 0) == -1) {
12295 DisplayError(_("Can't seek on position file"), 0);
12300 if (fseek(f, 0, 0) == -1) {
12301 if (f == lastLoadPositionFP ?
12302 positionNumber == lastLoadPositionNumber + 1 :
12303 positionNumber == 1) {
12306 DisplayError(_("Can't seek on position file"), 0);
12311 /* See if this file is FEN or old-style xboard */
12312 if (fgets(line, MSG_SIZ, f) == NULL) {
12313 DisplayError(_("Position not found in file"), 0);
12316 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12317 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12320 if (fenMode || line[0] == '#') pn--;
12322 /* skip positions before number pn */
12323 if (fgets(line, MSG_SIZ, f) == NULL) {
12325 DisplayError(_("Position not found in file"), 0);
12328 if (fenMode || line[0] == '#') pn--;
12333 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12334 DisplayError(_("Bad FEN position in file"), 0);
12338 (void) fgets(line, MSG_SIZ, f);
12339 (void) fgets(line, MSG_SIZ, f);
12341 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12342 (void) fgets(line, MSG_SIZ, f);
12343 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12346 initial_position[i][j++] = CharToPiece(*p);
12350 blackPlaysFirst = FALSE;
12352 (void) fgets(line, MSG_SIZ, f);
12353 if (strncmp(line, "black", strlen("black"))==0)
12354 blackPlaysFirst = TRUE;
12357 startedFromSetupPosition = TRUE;
12359 CopyBoard(boards[0], initial_position);
12360 if (blackPlaysFirst) {
12361 currentMove = forwardMostMove = backwardMostMove = 1;
12362 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12363 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12364 CopyBoard(boards[1], initial_position);
12365 DisplayMessage("", _("Black to play"));
12367 currentMove = forwardMostMove = backwardMostMove = 0;
12368 DisplayMessage("", _("White to play"));
12370 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12371 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12372 SendToProgram("force\n", &first);
12373 SendBoard(&first, forwardMostMove);
12375 if (appData.debugMode) {
12377 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12378 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12379 fprintf(debugFP, "Load Position\n");
12382 if (positionNumber > 1) {
12383 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12384 DisplayTitle(line);
12386 DisplayTitle(title);
12388 gameMode = EditGame;
12391 timeRemaining[0][1] = whiteTimeRemaining;
12392 timeRemaining[1][1] = blackTimeRemaining;
12393 DrawPosition(FALSE, boards[currentMove]);
12400 CopyPlayerNameIntoFileName (char **dest, char *src)
12402 while (*src != NULLCHAR && *src != ',') {
12407 *(*dest)++ = *src++;
12413 DefaultFileName (char *ext)
12415 static char def[MSG_SIZ];
12418 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12420 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12422 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12424 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12431 /* Save the current game to the given file */
12433 SaveGameToFile (char *filename, int append)
12437 int result, i, t,tot=0;
12439 if (strcmp(filename, "-") == 0) {
12440 return SaveGame(stdout, 0, NULL);
12442 for(i=0; i<10; i++) { // upto 10 tries
12443 f = fopen(filename, append ? "a" : "w");
12444 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12445 if(f || errno != 13) break;
12446 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12450 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12451 DisplayError(buf, errno);
12454 safeStrCpy(buf, lastMsg, MSG_SIZ);
12455 DisplayMessage(_("Waiting for access to save file"), "");
12456 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12457 DisplayMessage(_("Saving game"), "");
12458 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12459 result = SaveGame(f, 0, NULL);
12460 DisplayMessage(buf, "");
12467 SavePart (char *str)
12469 static char buf[MSG_SIZ];
12472 p = strchr(str, ' ');
12473 if (p == NULL) return str;
12474 strncpy(buf, str, p - str);
12475 buf[p - str] = NULLCHAR;
12479 #define PGN_MAX_LINE 75
12481 #define PGN_SIDE_WHITE 0
12482 #define PGN_SIDE_BLACK 1
12485 FindFirstMoveOutOfBook (int side)
12489 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12490 int index = backwardMostMove;
12491 int has_book_hit = 0;
12493 if( (index % 2) != side ) {
12497 while( index < forwardMostMove ) {
12498 /* Check to see if engine is in book */
12499 int depth = pvInfoList[index].depth;
12500 int score = pvInfoList[index].score;
12506 else if( score == 0 && depth == 63 ) {
12507 in_book = 1; /* Zappa */
12509 else if( score == 2 && depth == 99 ) {
12510 in_book = 1; /* Abrok */
12513 has_book_hit += in_book;
12529 GetOutOfBookInfo (char * buf)
12533 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12535 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12536 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12540 if( oob[0] >= 0 || oob[1] >= 0 ) {
12541 for( i=0; i<2; i++ ) {
12545 if( i > 0 && oob[0] >= 0 ) {
12546 strcat( buf, " " );
12549 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12550 sprintf( buf+strlen(buf), "%s%.2f",
12551 pvInfoList[idx].score >= 0 ? "+" : "",
12552 pvInfoList[idx].score / 100.0 );
12558 /* Save game in PGN style and close the file */
12560 SaveGamePGN (FILE *f)
12562 int i, offset, linelen, newblock;
12565 int movelen, numlen, blank;
12566 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12568 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12570 PrintPGNTags(f, &gameInfo);
12572 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12574 if (backwardMostMove > 0 || startedFromSetupPosition) {
12575 char *fen = PositionToFEN(backwardMostMove, NULL);
12576 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12577 fprintf(f, "\n{--------------\n");
12578 PrintPosition(f, backwardMostMove);
12579 fprintf(f, "--------------}\n");
12583 /* [AS] Out of book annotation */
12584 if( appData.saveOutOfBookInfo ) {
12587 GetOutOfBookInfo( buf );
12589 if( buf[0] != '\0' ) {
12590 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12597 i = backwardMostMove;
12601 while (i < forwardMostMove) {
12602 /* Print comments preceding this move */
12603 if (commentList[i] != NULL) {
12604 if (linelen > 0) fprintf(f, "\n");
12605 fprintf(f, "%s", commentList[i]);
12610 /* Format move number */
12612 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12615 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12617 numtext[0] = NULLCHAR;
12619 numlen = strlen(numtext);
12622 /* Print move number */
12623 blank = linelen > 0 && numlen > 0;
12624 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12633 fprintf(f, "%s", numtext);
12637 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12638 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12641 blank = linelen > 0 && movelen > 0;
12642 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12651 fprintf(f, "%s", move_buffer);
12652 linelen += movelen;
12654 /* [AS] Add PV info if present */
12655 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12656 /* [HGM] add time */
12657 char buf[MSG_SIZ]; int seconds;
12659 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12665 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12668 seconds = (seconds + 4)/10; // round to full seconds
12670 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12672 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12675 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12676 pvInfoList[i].score >= 0 ? "+" : "",
12677 pvInfoList[i].score / 100.0,
12678 pvInfoList[i].depth,
12681 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12683 /* Print score/depth */
12684 blank = linelen > 0 && movelen > 0;
12685 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12694 fprintf(f, "%s", move_buffer);
12695 linelen += movelen;
12701 /* Start a new line */
12702 if (linelen > 0) fprintf(f, "\n");
12704 /* Print comments after last move */
12705 if (commentList[i] != NULL) {
12706 fprintf(f, "%s\n", commentList[i]);
12710 if (gameInfo.resultDetails != NULL &&
12711 gameInfo.resultDetails[0] != NULLCHAR) {
12712 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12713 PGNResult(gameInfo.result));
12715 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12719 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12723 /* Save game in old style and close the file */
12725 SaveGameOldStyle (FILE *f)
12730 tm = time((time_t *) NULL);
12732 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12735 if (backwardMostMove > 0 || startedFromSetupPosition) {
12736 fprintf(f, "\n[--------------\n");
12737 PrintPosition(f, backwardMostMove);
12738 fprintf(f, "--------------]\n");
12743 i = backwardMostMove;
12744 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12746 while (i < forwardMostMove) {
12747 if (commentList[i] != NULL) {
12748 fprintf(f, "[%s]\n", commentList[i]);
12751 if ((i % 2) == 1) {
12752 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12755 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12757 if (commentList[i] != NULL) {
12761 if (i >= forwardMostMove) {
12765 fprintf(f, "%s\n", parseList[i]);
12770 if (commentList[i] != NULL) {
12771 fprintf(f, "[%s]\n", commentList[i]);
12774 /* This isn't really the old style, but it's close enough */
12775 if (gameInfo.resultDetails != NULL &&
12776 gameInfo.resultDetails[0] != NULLCHAR) {
12777 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12778 gameInfo.resultDetails);
12780 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12787 /* Save the current game to open file f and close the file */
12789 SaveGame (FILE *f, int dummy, char *dummy2)
12791 if (gameMode == EditPosition) EditPositionDone(TRUE);
12792 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12793 if (appData.oldSaveStyle)
12794 return SaveGameOldStyle(f);
12796 return SaveGamePGN(f);
12799 /* Save the current position to the given file */
12801 SavePositionToFile (char *filename)
12806 if (strcmp(filename, "-") == 0) {
12807 return SavePosition(stdout, 0, NULL);
12809 f = fopen(filename, "a");
12811 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12812 DisplayError(buf, errno);
12815 safeStrCpy(buf, lastMsg, MSG_SIZ);
12816 DisplayMessage(_("Waiting for access to save file"), "");
12817 flock(fileno(f), LOCK_EX); // [HGM] lock
12818 DisplayMessage(_("Saving position"), "");
12819 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12820 SavePosition(f, 0, NULL);
12821 DisplayMessage(buf, "");
12827 /* Save the current position to the given open file and close the file */
12829 SavePosition (FILE *f, int dummy, char *dummy2)
12834 if (gameMode == EditPosition) EditPositionDone(TRUE);
12835 if (appData.oldSaveStyle) {
12836 tm = time((time_t *) NULL);
12838 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12840 fprintf(f, "[--------------\n");
12841 PrintPosition(f, currentMove);
12842 fprintf(f, "--------------]\n");
12844 fen = PositionToFEN(currentMove, NULL);
12845 fprintf(f, "%s\n", fen);
12853 ReloadCmailMsgEvent (int unregister)
12856 static char *inFilename = NULL;
12857 static char *outFilename;
12859 struct stat inbuf, outbuf;
12862 /* Any registered moves are unregistered if unregister is set, */
12863 /* i.e. invoked by the signal handler */
12865 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12866 cmailMoveRegistered[i] = FALSE;
12867 if (cmailCommentList[i] != NULL) {
12868 free(cmailCommentList[i]);
12869 cmailCommentList[i] = NULL;
12872 nCmailMovesRegistered = 0;
12875 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12876 cmailResult[i] = CMAIL_NOT_RESULT;
12880 if (inFilename == NULL) {
12881 /* Because the filenames are static they only get malloced once */
12882 /* and they never get freed */
12883 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12884 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12886 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12887 sprintf(outFilename, "%s.out", appData.cmailGameName);
12890 status = stat(outFilename, &outbuf);
12892 cmailMailedMove = FALSE;
12894 status = stat(inFilename, &inbuf);
12895 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12898 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12899 counts the games, notes how each one terminated, etc.
12901 It would be nice to remove this kludge and instead gather all
12902 the information while building the game list. (And to keep it
12903 in the game list nodes instead of having a bunch of fixed-size
12904 parallel arrays.) Note this will require getting each game's
12905 termination from the PGN tags, as the game list builder does
12906 not process the game moves. --mann
12908 cmailMsgLoaded = TRUE;
12909 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12911 /* Load first game in the file or popup game menu */
12912 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12914 #endif /* !WIN32 */
12922 char string[MSG_SIZ];
12924 if ( cmailMailedMove
12925 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12926 return TRUE; /* Allow free viewing */
12929 /* Unregister move to ensure that we don't leave RegisterMove */
12930 /* with the move registered when the conditions for registering no */
12932 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12933 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12934 nCmailMovesRegistered --;
12936 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12938 free(cmailCommentList[lastLoadGameNumber - 1]);
12939 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12943 if (cmailOldMove == -1) {
12944 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12948 if (currentMove > cmailOldMove + 1) {
12949 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12953 if (currentMove < cmailOldMove) {
12954 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12958 if (forwardMostMove > currentMove) {
12959 /* Silently truncate extra moves */
12963 if ( (currentMove == cmailOldMove + 1)
12964 || ( (currentMove == cmailOldMove)
12965 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12966 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12967 if (gameInfo.result != GameUnfinished) {
12968 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12971 if (commentList[currentMove] != NULL) {
12972 cmailCommentList[lastLoadGameNumber - 1]
12973 = StrSave(commentList[currentMove]);
12975 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12977 if (appData.debugMode)
12978 fprintf(debugFP, "Saving %s for game %d\n",
12979 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12981 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12983 f = fopen(string, "w");
12984 if (appData.oldSaveStyle) {
12985 SaveGameOldStyle(f); /* also closes the file */
12987 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12988 f = fopen(string, "w");
12989 SavePosition(f, 0, NULL); /* also closes the file */
12991 fprintf(f, "{--------------\n");
12992 PrintPosition(f, currentMove);
12993 fprintf(f, "--------------}\n\n");
12995 SaveGame(f, 0, NULL); /* also closes the file*/
12998 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12999 nCmailMovesRegistered ++;
13000 } else if (nCmailGames == 1) {
13001 DisplayError(_("You have not made a move yet"), 0);
13012 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13013 FILE *commandOutput;
13014 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13015 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13021 if (! cmailMsgLoaded) {
13022 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13026 if (nCmailGames == nCmailResults) {
13027 DisplayError(_("No unfinished games"), 0);
13031 #if CMAIL_PROHIBIT_REMAIL
13032 if (cmailMailedMove) {
13033 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);
13034 DisplayError(msg, 0);
13039 if (! (cmailMailedMove || RegisterMove())) return;
13041 if ( cmailMailedMove
13042 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13043 snprintf(string, MSG_SIZ, partCommandString,
13044 appData.debugMode ? " -v" : "", appData.cmailGameName);
13045 commandOutput = popen(string, "r");
13047 if (commandOutput == NULL) {
13048 DisplayError(_("Failed to invoke cmail"), 0);
13050 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13051 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13053 if (nBuffers > 1) {
13054 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13055 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13056 nBytes = MSG_SIZ - 1;
13058 (void) memcpy(msg, buffer, nBytes);
13060 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13062 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13063 cmailMailedMove = TRUE; /* Prevent >1 moves */
13066 for (i = 0; i < nCmailGames; i ++) {
13067 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13072 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13074 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13076 appData.cmailGameName,
13078 LoadGameFromFile(buffer, 1, buffer, FALSE);
13079 cmailMsgLoaded = FALSE;
13083 DisplayInformation(msg);
13084 pclose(commandOutput);
13087 if ((*cmailMsg) != '\0') {
13088 DisplayInformation(cmailMsg);
13093 #endif /* !WIN32 */
13102 int prependComma = 0;
13104 char string[MSG_SIZ]; /* Space for game-list */
13107 if (!cmailMsgLoaded) return "";
13109 if (cmailMailedMove) {
13110 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13112 /* Create a list of games left */
13113 snprintf(string, MSG_SIZ, "[");
13114 for (i = 0; i < nCmailGames; i ++) {
13115 if (! ( cmailMoveRegistered[i]
13116 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13117 if (prependComma) {
13118 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13120 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13124 strcat(string, number);
13127 strcat(string, "]");
13129 if (nCmailMovesRegistered + nCmailResults == 0) {
13130 switch (nCmailGames) {
13132 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13136 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13140 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13145 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13147 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13152 if (nCmailResults == nCmailGames) {
13153 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13155 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13160 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13172 if (gameMode == Training)
13173 SetTrainingModeOff();
13176 cmailMsgLoaded = FALSE;
13177 if (appData.icsActive) {
13178 SendToICS(ics_prefix);
13179 SendToICS("refresh\n");
13184 ExitEvent (int status)
13188 /* Give up on clean exit */
13192 /* Keep trying for clean exit */
13196 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13198 if (telnetISR != NULL) {
13199 RemoveInputSource(telnetISR);
13201 if (icsPR != NoProc) {
13202 DestroyChildProcess(icsPR, TRUE);
13205 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13206 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13208 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13209 /* make sure this other one finishes before killing it! */
13210 if(endingGame) { int count = 0;
13211 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13212 while(endingGame && count++ < 10) DoSleep(1);
13213 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13216 /* Kill off chess programs */
13217 if (first.pr != NoProc) {
13220 DoSleep( appData.delayBeforeQuit );
13221 SendToProgram("quit\n", &first);
13222 DoSleep( appData.delayAfterQuit );
13223 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13225 if (second.pr != NoProc) {
13226 DoSleep( appData.delayBeforeQuit );
13227 SendToProgram("quit\n", &second);
13228 DoSleep( appData.delayAfterQuit );
13229 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13231 if (first.isr != NULL) {
13232 RemoveInputSource(first.isr);
13234 if (second.isr != NULL) {
13235 RemoveInputSource(second.isr);
13238 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13239 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13241 ShutDownFrontEnd();
13248 if (appData.debugMode)
13249 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13253 if (gameMode == MachinePlaysWhite ||
13254 gameMode == MachinePlaysBlack) {
13257 DisplayBothClocks();
13259 if (gameMode == PlayFromGameFile) {
13260 if (appData.timeDelay >= 0)
13261 AutoPlayGameLoop();
13262 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13263 Reset(FALSE, TRUE);
13264 SendToICS(ics_prefix);
13265 SendToICS("refresh\n");
13266 } else if (currentMove < forwardMostMove) {
13267 ForwardInner(forwardMostMove);
13269 pauseExamInvalid = FALSE;
13271 switch (gameMode) {
13275 pauseExamForwardMostMove = forwardMostMove;
13276 pauseExamInvalid = FALSE;
13279 case IcsPlayingWhite:
13280 case IcsPlayingBlack:
13284 case PlayFromGameFile:
13285 (void) StopLoadGameTimer();
13289 case BeginningOfGame:
13290 if (appData.icsActive) return;
13291 /* else fall through */
13292 case MachinePlaysWhite:
13293 case MachinePlaysBlack:
13294 case TwoMachinesPlay:
13295 if (forwardMostMove == 0)
13296 return; /* don't pause if no one has moved */
13297 if ((gameMode == MachinePlaysWhite &&
13298 !WhiteOnMove(forwardMostMove)) ||
13299 (gameMode == MachinePlaysBlack &&
13300 WhiteOnMove(forwardMostMove))) {
13311 EditCommentEvent ()
13313 char title[MSG_SIZ];
13315 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13316 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13318 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13319 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13320 parseList[currentMove - 1]);
13323 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13330 char *tags = PGNTags(&gameInfo);
13332 EditTagsPopUp(tags, NULL);
13337 AnalyzeModeEvent ()
13339 if (appData.noChessProgram || gameMode == AnalyzeMode)
13342 if (gameMode != AnalyzeFile) {
13343 if (!appData.icsEngineAnalyze) {
13345 if (gameMode != EditGame) return;
13347 ResurrectChessProgram();
13348 SendToProgram("analyze\n", &first);
13349 first.analyzing = TRUE;
13350 /*first.maybeThinking = TRUE;*/
13351 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13352 EngineOutputPopUp();
13354 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13359 StartAnalysisClock();
13360 GetTimeMark(&lastNodeCountTime);
13365 AnalyzeFileEvent ()
13367 if (appData.noChessProgram || gameMode == AnalyzeFile)
13370 if (gameMode != AnalyzeMode) {
13372 if (gameMode != EditGame) return;
13373 ResurrectChessProgram();
13374 SendToProgram("analyze\n", &first);
13375 first.analyzing = TRUE;
13376 /*first.maybeThinking = TRUE;*/
13377 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13378 EngineOutputPopUp();
13380 gameMode = AnalyzeFile;
13385 StartAnalysisClock();
13386 GetTimeMark(&lastNodeCountTime);
13388 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13392 MachineWhiteEvent ()
13395 char *bookHit = NULL;
13397 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13401 if (gameMode == PlayFromGameFile ||
13402 gameMode == TwoMachinesPlay ||
13403 gameMode == Training ||
13404 gameMode == AnalyzeMode ||
13405 gameMode == EndOfGame)
13408 if (gameMode == EditPosition)
13409 EditPositionDone(TRUE);
13411 if (!WhiteOnMove(currentMove)) {
13412 DisplayError(_("It is not White's turn"), 0);
13416 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13419 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13420 gameMode == AnalyzeFile)
13423 ResurrectChessProgram(); /* in case it isn't running */
13424 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13425 gameMode = MachinePlaysWhite;
13428 gameMode = MachinePlaysWhite;
13432 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13434 if (first.sendName) {
13435 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13436 SendToProgram(buf, &first);
13438 if (first.sendTime) {
13439 if (first.useColors) {
13440 SendToProgram("black\n", &first); /*gnu kludge*/
13442 SendTimeRemaining(&first, TRUE);
13444 if (first.useColors) {
13445 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13447 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13448 SetMachineThinkingEnables();
13449 first.maybeThinking = TRUE;
13453 if (appData.autoFlipView && !flipView) {
13454 flipView = !flipView;
13455 DrawPosition(FALSE, NULL);
13456 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13459 if(bookHit) { // [HGM] book: simulate book reply
13460 static char bookMove[MSG_SIZ]; // a bit generous?
13462 programStats.nodes = programStats.depth = programStats.time =
13463 programStats.score = programStats.got_only_move = 0;
13464 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13466 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13467 strcat(bookMove, bookHit);
13468 HandleMachineMove(bookMove, &first);
13473 MachineBlackEvent ()
13476 char *bookHit = NULL;
13478 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13482 if (gameMode == PlayFromGameFile ||
13483 gameMode == TwoMachinesPlay ||
13484 gameMode == Training ||
13485 gameMode == AnalyzeMode ||
13486 gameMode == EndOfGame)
13489 if (gameMode == EditPosition)
13490 EditPositionDone(TRUE);
13492 if (WhiteOnMove(currentMove)) {
13493 DisplayError(_("It is not Black's turn"), 0);
13497 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13500 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13501 gameMode == AnalyzeFile)
13504 ResurrectChessProgram(); /* in case it isn't running */
13505 gameMode = MachinePlaysBlack;
13509 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13511 if (first.sendName) {
13512 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13513 SendToProgram(buf, &first);
13515 if (first.sendTime) {
13516 if (first.useColors) {
13517 SendToProgram("white\n", &first); /*gnu kludge*/
13519 SendTimeRemaining(&first, FALSE);
13521 if (first.useColors) {
13522 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13524 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13525 SetMachineThinkingEnables();
13526 first.maybeThinking = TRUE;
13529 if (appData.autoFlipView && flipView) {
13530 flipView = !flipView;
13531 DrawPosition(FALSE, NULL);
13532 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13534 if(bookHit) { // [HGM] book: simulate book reply
13535 static char bookMove[MSG_SIZ]; // a bit generous?
13537 programStats.nodes = programStats.depth = programStats.time =
13538 programStats.score = programStats.got_only_move = 0;
13539 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13541 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13542 strcat(bookMove, bookHit);
13543 HandleMachineMove(bookMove, &first);
13549 DisplayTwoMachinesTitle ()
13552 if (appData.matchGames > 0) {
13553 if(appData.tourneyFile[0]) {
13554 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13555 gameInfo.white, _("vs."), gameInfo.black,
13556 nextGame+1, appData.matchGames+1,
13557 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13559 if (first.twoMachinesColor[0] == 'w') {
13560 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13561 gameInfo.white, _("vs."), gameInfo.black,
13562 first.matchWins, second.matchWins,
13563 matchGame - 1 - (first.matchWins + second.matchWins));
13565 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13566 gameInfo.white, _("vs."), gameInfo.black,
13567 second.matchWins, first.matchWins,
13568 matchGame - 1 - (first.matchWins + second.matchWins));
13571 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13577 SettingsMenuIfReady ()
13579 if (second.lastPing != second.lastPong) {
13580 DisplayMessage("", _("Waiting for second chess program"));
13581 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13585 DisplayMessage("", "");
13586 SettingsPopUp(&second);
13590 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13593 if (cps->pr == NoProc) {
13594 StartChessProgram(cps);
13595 if (cps->protocolVersion == 1) {
13598 /* kludge: allow timeout for initial "feature" command */
13600 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13601 DisplayMessage("", buf);
13602 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13610 TwoMachinesEvent P((void))
13614 ChessProgramState *onmove;
13615 char *bookHit = NULL;
13616 static int stalling = 0;
13620 if (appData.noChessProgram) return;
13622 switch (gameMode) {
13623 case TwoMachinesPlay:
13625 case MachinePlaysWhite:
13626 case MachinePlaysBlack:
13627 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13628 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13632 case BeginningOfGame:
13633 case PlayFromGameFile:
13636 if (gameMode != EditGame) return;
13639 EditPositionDone(TRUE);
13650 // forwardMostMove = currentMove;
13651 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13653 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13655 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13656 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13657 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13661 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13662 DisplayError("second engine does not play this", 0);
13667 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13668 SendToProgram("force\n", &second);
13670 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13673 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13674 if(appData.matchPause>10000 || appData.matchPause<10)
13675 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13676 wait = SubtractTimeMarks(&now, &pauseStart);
13677 if(wait < appData.matchPause) {
13678 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13681 // we are now committed to starting the game
13683 DisplayMessage("", "");
13684 if (startedFromSetupPosition) {
13685 SendBoard(&second, backwardMostMove);
13686 if (appData.debugMode) {
13687 fprintf(debugFP, "Two Machines\n");
13690 for (i = backwardMostMove; i < forwardMostMove; i++) {
13691 SendMoveToProgram(i, &second);
13694 gameMode = TwoMachinesPlay;
13696 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13698 DisplayTwoMachinesTitle();
13700 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13705 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13706 SendToProgram(first.computerString, &first);
13707 if (first.sendName) {
13708 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13709 SendToProgram(buf, &first);
13711 SendToProgram(second.computerString, &second);
13712 if (second.sendName) {
13713 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13714 SendToProgram(buf, &second);
13718 if (!first.sendTime || !second.sendTime) {
13719 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13720 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13722 if (onmove->sendTime) {
13723 if (onmove->useColors) {
13724 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13726 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13728 if (onmove->useColors) {
13729 SendToProgram(onmove->twoMachinesColor, onmove);
13731 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13732 // SendToProgram("go\n", onmove);
13733 onmove->maybeThinking = TRUE;
13734 SetMachineThinkingEnables();
13738 if(bookHit) { // [HGM] book: simulate book reply
13739 static char bookMove[MSG_SIZ]; // a bit generous?
13741 programStats.nodes = programStats.depth = programStats.time =
13742 programStats.score = programStats.got_only_move = 0;
13743 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13745 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13746 strcat(bookMove, bookHit);
13747 savedMessage = bookMove; // args for deferred call
13748 savedState = onmove;
13749 ScheduleDelayedEvent(DeferredBookMove, 1);
13756 if (gameMode == Training) {
13757 SetTrainingModeOff();
13758 gameMode = PlayFromGameFile;
13759 DisplayMessage("", _("Training mode off"));
13761 gameMode = Training;
13762 animateTraining = appData.animate;
13764 /* make sure we are not already at the end of the game */
13765 if (currentMove < forwardMostMove) {
13766 SetTrainingModeOn();
13767 DisplayMessage("", _("Training mode on"));
13769 gameMode = PlayFromGameFile;
13770 DisplayError(_("Already at end of game"), 0);
13779 if (!appData.icsActive) return;
13780 switch (gameMode) {
13781 case IcsPlayingWhite:
13782 case IcsPlayingBlack:
13785 case BeginningOfGame:
13793 EditPositionDone(TRUE);
13806 gameMode = IcsIdle;
13816 switch (gameMode) {
13818 SetTrainingModeOff();
13820 case MachinePlaysWhite:
13821 case MachinePlaysBlack:
13822 case BeginningOfGame:
13823 SendToProgram("force\n", &first);
13824 SetUserThinkingEnables();
13826 case PlayFromGameFile:
13827 (void) StopLoadGameTimer();
13828 if (gameFileFP != NULL) {
13833 EditPositionDone(TRUE);
13838 SendToProgram("force\n", &first);
13840 case TwoMachinesPlay:
13841 GameEnds(EndOfFile, NULL, GE_PLAYER);
13842 ResurrectChessProgram();
13843 SetUserThinkingEnables();
13846 ResurrectChessProgram();
13848 case IcsPlayingBlack:
13849 case IcsPlayingWhite:
13850 DisplayError(_("Warning: You are still playing a game"), 0);
13853 DisplayError(_("Warning: You are still observing a game"), 0);
13856 DisplayError(_("Warning: You are still examining a game"), 0);
13867 first.offeredDraw = second.offeredDraw = 0;
13869 if (gameMode == PlayFromGameFile) {
13870 whiteTimeRemaining = timeRemaining[0][currentMove];
13871 blackTimeRemaining = timeRemaining[1][currentMove];
13875 if (gameMode == MachinePlaysWhite ||
13876 gameMode == MachinePlaysBlack ||
13877 gameMode == TwoMachinesPlay ||
13878 gameMode == EndOfGame) {
13879 i = forwardMostMove;
13880 while (i > currentMove) {
13881 SendToProgram("undo\n", &first);
13884 if(!adjustedClock) {
13885 whiteTimeRemaining = timeRemaining[0][currentMove];
13886 blackTimeRemaining = timeRemaining[1][currentMove];
13887 DisplayBothClocks();
13889 if (whiteFlag || blackFlag) {
13890 whiteFlag = blackFlag = 0;
13895 gameMode = EditGame;
13902 EditPositionEvent ()
13904 if (gameMode == EditPosition) {
13910 if (gameMode != EditGame) return;
13912 gameMode = EditPosition;
13915 if (currentMove > 0)
13916 CopyBoard(boards[0], boards[currentMove]);
13918 blackPlaysFirst = !WhiteOnMove(currentMove);
13920 currentMove = forwardMostMove = backwardMostMove = 0;
13921 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13923 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
13929 /* [DM] icsEngineAnalyze - possible call from other functions */
13930 if (appData.icsEngineAnalyze) {
13931 appData.icsEngineAnalyze = FALSE;
13933 DisplayMessage("",_("Close ICS engine analyze..."));
13935 if (first.analysisSupport && first.analyzing) {
13936 SendToProgram("exit\n", &first);
13937 first.analyzing = FALSE;
13939 thinkOutput[0] = NULLCHAR;
13943 EditPositionDone (Boolean fakeRights)
13945 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13947 startedFromSetupPosition = TRUE;
13948 InitChessProgram(&first, FALSE);
13949 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13950 boards[0][EP_STATUS] = EP_NONE;
13951 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13952 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13953 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
13954 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13955 } else boards[0][CASTLING][2] = NoRights;
13956 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13957 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
13958 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13959 } else boards[0][CASTLING][5] = NoRights;
13960 if(gameInfo.variant == VariantSChess) {
13962 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
13963 boards[0][VIRGIN][i] = 0;
13964 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
13965 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
13969 SendToProgram("force\n", &first);
13970 if (blackPlaysFirst) {
13971 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13972 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13973 currentMove = forwardMostMove = backwardMostMove = 1;
13974 CopyBoard(boards[1], boards[0]);
13976 currentMove = forwardMostMove = backwardMostMove = 0;
13978 SendBoard(&first, forwardMostMove);
13979 if (appData.debugMode) {
13980 fprintf(debugFP, "EditPosDone\n");
13983 DisplayMessage("", "");
13984 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13985 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13986 gameMode = EditGame;
13988 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13989 ClearHighlights(); /* [AS] */
13992 /* Pause for `ms' milliseconds */
13993 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13995 TimeDelay (long ms)
14002 } while (SubtractTimeMarks(&m2, &m1) < ms);
14005 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14007 SendMultiLineToICS (char *buf)
14009 char temp[MSG_SIZ+1], *p;
14016 strncpy(temp, buf, len);
14021 if (*p == '\n' || *p == '\r')
14026 strcat(temp, "\n");
14028 SendToPlayer(temp, strlen(temp));
14032 SetWhiteToPlayEvent ()
14034 if (gameMode == EditPosition) {
14035 blackPlaysFirst = FALSE;
14036 DisplayBothClocks(); /* works because currentMove is 0 */
14037 } else if (gameMode == IcsExamining) {
14038 SendToICS(ics_prefix);
14039 SendToICS("tomove white\n");
14044 SetBlackToPlayEvent ()
14046 if (gameMode == EditPosition) {
14047 blackPlaysFirst = TRUE;
14048 currentMove = 1; /* kludge */
14049 DisplayBothClocks();
14051 } else if (gameMode == IcsExamining) {
14052 SendToICS(ics_prefix);
14053 SendToICS("tomove black\n");
14058 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14061 ChessSquare piece = boards[0][y][x];
14063 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14065 switch (selection) {
14067 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14068 SendToICS(ics_prefix);
14069 SendToICS("bsetup clear\n");
14070 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14071 SendToICS(ics_prefix);
14072 SendToICS("clearboard\n");
14074 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14075 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14076 for (y = 0; y < BOARD_HEIGHT; y++) {
14077 if (gameMode == IcsExamining) {
14078 if (boards[currentMove][y][x] != EmptySquare) {
14079 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14084 boards[0][y][x] = p;
14089 if (gameMode == EditPosition) {
14090 DrawPosition(FALSE, boards[0]);
14095 SetWhiteToPlayEvent();
14099 SetBlackToPlayEvent();
14103 if (gameMode == IcsExamining) {
14104 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14105 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14108 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14109 if(x == BOARD_LEFT-2) {
14110 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14111 boards[0][y][1] = 0;
14113 if(x == BOARD_RGHT+1) {
14114 if(y >= gameInfo.holdingsSize) break;
14115 boards[0][y][BOARD_WIDTH-2] = 0;
14118 boards[0][y][x] = EmptySquare;
14119 DrawPosition(FALSE, boards[0]);
14124 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14125 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14126 selection = (ChessSquare) (PROMOTED piece);
14127 } else if(piece == EmptySquare) selection = WhiteSilver;
14128 else selection = (ChessSquare)((int)piece - 1);
14132 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14133 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14134 selection = (ChessSquare) (DEMOTED piece);
14135 } else if(piece == EmptySquare) selection = BlackSilver;
14136 else selection = (ChessSquare)((int)piece + 1);
14141 if(gameInfo.variant == VariantShatranj ||
14142 gameInfo.variant == VariantXiangqi ||
14143 gameInfo.variant == VariantCourier ||
14144 gameInfo.variant == VariantMakruk )
14145 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14150 if(gameInfo.variant == VariantXiangqi)
14151 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14152 if(gameInfo.variant == VariantKnightmate)
14153 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14156 if (gameMode == IcsExamining) {
14157 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14158 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14159 PieceToChar(selection), AAA + x, ONE + y);
14162 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14164 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14165 n = PieceToNumber(selection - BlackPawn);
14166 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14167 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14168 boards[0][BOARD_HEIGHT-1-n][1]++;
14170 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14171 n = PieceToNumber(selection);
14172 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14173 boards[0][n][BOARD_WIDTH-1] = selection;
14174 boards[0][n][BOARD_WIDTH-2]++;
14177 boards[0][y][x] = selection;
14178 DrawPosition(TRUE, boards[0]);
14180 fromX = fromY = -1;
14188 DropMenuEvent (ChessSquare selection, int x, int y)
14190 ChessMove moveType;
14192 switch (gameMode) {
14193 case IcsPlayingWhite:
14194 case MachinePlaysBlack:
14195 if (!WhiteOnMove(currentMove)) {
14196 DisplayMoveError(_("It is Black's turn"));
14199 moveType = WhiteDrop;
14201 case IcsPlayingBlack:
14202 case MachinePlaysWhite:
14203 if (WhiteOnMove(currentMove)) {
14204 DisplayMoveError(_("It is White's turn"));
14207 moveType = BlackDrop;
14210 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14216 if (moveType == BlackDrop && selection < BlackPawn) {
14217 selection = (ChessSquare) ((int) selection
14218 + (int) BlackPawn - (int) WhitePawn);
14220 if (boards[currentMove][y][x] != EmptySquare) {
14221 DisplayMoveError(_("That square is occupied"));
14225 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14231 /* Accept a pending offer of any kind from opponent */
14233 if (appData.icsActive) {
14234 SendToICS(ics_prefix);
14235 SendToICS("accept\n");
14236 } else if (cmailMsgLoaded) {
14237 if (currentMove == cmailOldMove &&
14238 commentList[cmailOldMove] != NULL &&
14239 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14240 "Black offers a draw" : "White offers a draw")) {
14242 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14243 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14245 DisplayError(_("There is no pending offer on this move"), 0);
14246 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14249 /* Not used for offers from chess program */
14256 /* Decline a pending offer of any kind from opponent */
14258 if (appData.icsActive) {
14259 SendToICS(ics_prefix);
14260 SendToICS("decline\n");
14261 } else if (cmailMsgLoaded) {
14262 if (currentMove == cmailOldMove &&
14263 commentList[cmailOldMove] != NULL &&
14264 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14265 "Black offers a draw" : "White offers a draw")) {
14267 AppendComment(cmailOldMove, "Draw declined", TRUE);
14268 DisplayComment(cmailOldMove - 1, "Draw declined");
14271 DisplayError(_("There is no pending offer on this move"), 0);
14274 /* Not used for offers from chess program */
14281 /* Issue ICS rematch command */
14282 if (appData.icsActive) {
14283 SendToICS(ics_prefix);
14284 SendToICS("rematch\n");
14291 /* Call your opponent's flag (claim a win on time) */
14292 if (appData.icsActive) {
14293 SendToICS(ics_prefix);
14294 SendToICS("flag\n");
14296 switch (gameMode) {
14299 case MachinePlaysWhite:
14302 GameEnds(GameIsDrawn, "Both players ran out of time",
14305 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14307 DisplayError(_("Your opponent is not out of time"), 0);
14310 case MachinePlaysBlack:
14313 GameEnds(GameIsDrawn, "Both players ran out of time",
14316 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14318 DisplayError(_("Your opponent is not out of time"), 0);
14326 ClockClick (int which)
14327 { // [HGM] code moved to back-end from winboard.c
14328 if(which) { // black clock
14329 if (gameMode == EditPosition || gameMode == IcsExamining) {
14330 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14331 SetBlackToPlayEvent();
14332 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14333 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14334 } else if (shiftKey) {
14335 AdjustClock(which, -1);
14336 } else if (gameMode == IcsPlayingWhite ||
14337 gameMode == MachinePlaysBlack) {
14340 } else { // white clock
14341 if (gameMode == EditPosition || gameMode == IcsExamining) {
14342 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14343 SetWhiteToPlayEvent();
14344 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14345 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14346 } else if (shiftKey) {
14347 AdjustClock(which, -1);
14348 } else if (gameMode == IcsPlayingBlack ||
14349 gameMode == MachinePlaysWhite) {
14358 /* Offer draw or accept pending draw offer from opponent */
14360 if (appData.icsActive) {
14361 /* Note: tournament rules require draw offers to be
14362 made after you make your move but before you punch
14363 your clock. Currently ICS doesn't let you do that;
14364 instead, you immediately punch your clock after making
14365 a move, but you can offer a draw at any time. */
14367 SendToICS(ics_prefix);
14368 SendToICS("draw\n");
14369 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14370 } else if (cmailMsgLoaded) {
14371 if (currentMove == cmailOldMove &&
14372 commentList[cmailOldMove] != NULL &&
14373 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14374 "Black offers a draw" : "White offers a draw")) {
14375 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14376 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14377 } else if (currentMove == cmailOldMove + 1) {
14378 char *offer = WhiteOnMove(cmailOldMove) ?
14379 "White offers a draw" : "Black offers a draw";
14380 AppendComment(currentMove, offer, TRUE);
14381 DisplayComment(currentMove - 1, offer);
14382 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14384 DisplayError(_("You must make your move before offering a draw"), 0);
14385 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14387 } else if (first.offeredDraw) {
14388 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14390 if (first.sendDrawOffers) {
14391 SendToProgram("draw\n", &first);
14392 userOfferedDraw = TRUE;
14400 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14402 if (appData.icsActive) {
14403 SendToICS(ics_prefix);
14404 SendToICS("adjourn\n");
14406 /* Currently GNU Chess doesn't offer or accept Adjourns */
14414 /* Offer Abort or accept pending Abort offer from opponent */
14416 if (appData.icsActive) {
14417 SendToICS(ics_prefix);
14418 SendToICS("abort\n");
14420 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14427 /* Resign. You can do this even if it's not your turn. */
14429 if (appData.icsActive) {
14430 SendToICS(ics_prefix);
14431 SendToICS("resign\n");
14433 switch (gameMode) {
14434 case MachinePlaysWhite:
14435 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14437 case MachinePlaysBlack:
14438 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14441 if (cmailMsgLoaded) {
14443 if (WhiteOnMove(cmailOldMove)) {
14444 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14446 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14448 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14459 StopObservingEvent ()
14461 /* Stop observing current games */
14462 SendToICS(ics_prefix);
14463 SendToICS("unobserve\n");
14467 StopExaminingEvent ()
14469 /* Stop observing current game */
14470 SendToICS(ics_prefix);
14471 SendToICS("unexamine\n");
14475 ForwardInner (int target)
14477 int limit; int oldSeekGraphUp = seekGraphUp;
14479 if (appData.debugMode)
14480 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14481 target, currentMove, forwardMostMove);
14483 if (gameMode == EditPosition)
14486 seekGraphUp = FALSE;
14487 MarkTargetSquares(1);
14489 if (gameMode == PlayFromGameFile && !pausing)
14492 if (gameMode == IcsExamining && pausing)
14493 limit = pauseExamForwardMostMove;
14495 limit = forwardMostMove;
14497 if (target > limit) target = limit;
14499 if (target > 0 && moveList[target - 1][0]) {
14500 int fromX, fromY, toX, toY;
14501 toX = moveList[target - 1][2] - AAA;
14502 toY = moveList[target - 1][3] - ONE;
14503 if (moveList[target - 1][1] == '@') {
14504 if (appData.highlightLastMove) {
14505 SetHighlights(-1, -1, toX, toY);
14508 fromX = moveList[target - 1][0] - AAA;
14509 fromY = moveList[target - 1][1] - ONE;
14510 if (target == currentMove + 1) {
14511 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14513 if (appData.highlightLastMove) {
14514 SetHighlights(fromX, fromY, toX, toY);
14518 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14519 gameMode == Training || gameMode == PlayFromGameFile ||
14520 gameMode == AnalyzeFile) {
14521 while (currentMove < target) {
14522 SendMoveToProgram(currentMove++, &first);
14525 currentMove = target;
14528 if (gameMode == EditGame || gameMode == EndOfGame) {
14529 whiteTimeRemaining = timeRemaining[0][currentMove];
14530 blackTimeRemaining = timeRemaining[1][currentMove];
14532 DisplayBothClocks();
14533 DisplayMove(currentMove - 1);
14534 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14535 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14536 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14537 DisplayComment(currentMove - 1, commentList[currentMove]);
14539 ClearMap(); // [HGM] exclude: invalidate map
14546 if (gameMode == IcsExamining && !pausing) {
14547 SendToICS(ics_prefix);
14548 SendToICS("forward\n");
14550 ForwardInner(currentMove + 1);
14557 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14558 /* to optimze, we temporarily turn off analysis mode while we feed
14559 * the remaining moves to the engine. Otherwise we get analysis output
14562 if (first.analysisSupport) {
14563 SendToProgram("exit\nforce\n", &first);
14564 first.analyzing = FALSE;
14568 if (gameMode == IcsExamining && !pausing) {
14569 SendToICS(ics_prefix);
14570 SendToICS("forward 999999\n");
14572 ForwardInner(forwardMostMove);
14575 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14576 /* we have fed all the moves, so reactivate analysis mode */
14577 SendToProgram("analyze\n", &first);
14578 first.analyzing = TRUE;
14579 /*first.maybeThinking = TRUE;*/
14580 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14585 BackwardInner (int target)
14587 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14589 if (appData.debugMode)
14590 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14591 target, currentMove, forwardMostMove);
14593 if (gameMode == EditPosition) return;
14594 seekGraphUp = FALSE;
14595 MarkTargetSquares(1);
14596 if (currentMove <= backwardMostMove) {
14598 DrawPosition(full_redraw, boards[currentMove]);
14601 if (gameMode == PlayFromGameFile && !pausing)
14604 if (moveList[target][0]) {
14605 int fromX, fromY, toX, toY;
14606 toX = moveList[target][2] - AAA;
14607 toY = moveList[target][3] - ONE;
14608 if (moveList[target][1] == '@') {
14609 if (appData.highlightLastMove) {
14610 SetHighlights(-1, -1, toX, toY);
14613 fromX = moveList[target][0] - AAA;
14614 fromY = moveList[target][1] - ONE;
14615 if (target == currentMove - 1) {
14616 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14618 if (appData.highlightLastMove) {
14619 SetHighlights(fromX, fromY, toX, toY);
14623 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14624 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14625 while (currentMove > target) {
14626 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14627 // null move cannot be undone. Reload program with move history before it.
14629 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14630 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14632 SendBoard(&first, i);
14633 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14636 SendToProgram("undo\n", &first);
14640 currentMove = target;
14643 if (gameMode == EditGame || gameMode == EndOfGame) {
14644 whiteTimeRemaining = timeRemaining[0][currentMove];
14645 blackTimeRemaining = timeRemaining[1][currentMove];
14647 DisplayBothClocks();
14648 DisplayMove(currentMove - 1);
14649 DrawPosition(full_redraw, boards[currentMove]);
14650 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14651 // [HGM] PV info: routine tests if comment empty
14652 DisplayComment(currentMove - 1, commentList[currentMove]);
14653 ClearMap(); // [HGM] exclude: invalidate map
14659 if (gameMode == IcsExamining && !pausing) {
14660 SendToICS(ics_prefix);
14661 SendToICS("backward\n");
14663 BackwardInner(currentMove - 1);
14670 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14671 /* to optimize, we temporarily turn off analysis mode while we undo
14672 * all the moves. Otherwise we get analysis output after each undo.
14674 if (first.analysisSupport) {
14675 SendToProgram("exit\nforce\n", &first);
14676 first.analyzing = FALSE;
14680 if (gameMode == IcsExamining && !pausing) {
14681 SendToICS(ics_prefix);
14682 SendToICS("backward 999999\n");
14684 BackwardInner(backwardMostMove);
14687 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14688 /* we have fed all the moves, so reactivate analysis mode */
14689 SendToProgram("analyze\n", &first);
14690 first.analyzing = TRUE;
14691 /*first.maybeThinking = TRUE;*/
14692 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14699 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14700 if (to >= forwardMostMove) to = forwardMostMove;
14701 if (to <= backwardMostMove) to = backwardMostMove;
14702 if (to < currentMove) {
14710 RevertEvent (Boolean annotate)
14712 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14715 if (gameMode != IcsExamining) {
14716 DisplayError(_("You are not examining a game"), 0);
14720 DisplayError(_("You can't revert while pausing"), 0);
14723 SendToICS(ics_prefix);
14724 SendToICS("revert\n");
14728 RetractMoveEvent ()
14730 switch (gameMode) {
14731 case MachinePlaysWhite:
14732 case MachinePlaysBlack:
14733 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14734 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14737 if (forwardMostMove < 2) return;
14738 currentMove = forwardMostMove = forwardMostMove - 2;
14739 whiteTimeRemaining = timeRemaining[0][currentMove];
14740 blackTimeRemaining = timeRemaining[1][currentMove];
14741 DisplayBothClocks();
14742 DisplayMove(currentMove - 1);
14743 ClearHighlights();/*!! could figure this out*/
14744 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14745 SendToProgram("remove\n", &first);
14746 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14749 case BeginningOfGame:
14753 case IcsPlayingWhite:
14754 case IcsPlayingBlack:
14755 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14756 SendToICS(ics_prefix);
14757 SendToICS("takeback 2\n");
14759 SendToICS(ics_prefix);
14760 SendToICS("takeback 1\n");
14769 ChessProgramState *cps;
14771 switch (gameMode) {
14772 case MachinePlaysWhite:
14773 if (!WhiteOnMove(forwardMostMove)) {
14774 DisplayError(_("It is your turn"), 0);
14779 case MachinePlaysBlack:
14780 if (WhiteOnMove(forwardMostMove)) {
14781 DisplayError(_("It is your turn"), 0);
14786 case TwoMachinesPlay:
14787 if (WhiteOnMove(forwardMostMove) ==
14788 (first.twoMachinesColor[0] == 'w')) {
14794 case BeginningOfGame:
14798 SendToProgram("?\n", cps);
14802 TruncateGameEvent ()
14805 if (gameMode != EditGame) return;
14812 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14813 if (forwardMostMove > currentMove) {
14814 if (gameInfo.resultDetails != NULL) {
14815 free(gameInfo.resultDetails);
14816 gameInfo.resultDetails = NULL;
14817 gameInfo.result = GameUnfinished;
14819 forwardMostMove = currentMove;
14820 HistorySet(parseList, backwardMostMove, forwardMostMove,
14828 if (appData.noChessProgram) return;
14829 switch (gameMode) {
14830 case MachinePlaysWhite:
14831 if (WhiteOnMove(forwardMostMove)) {
14832 DisplayError(_("Wait until your turn"), 0);
14836 case BeginningOfGame:
14837 case MachinePlaysBlack:
14838 if (!WhiteOnMove(forwardMostMove)) {
14839 DisplayError(_("Wait until your turn"), 0);
14844 DisplayError(_("No hint available"), 0);
14847 SendToProgram("hint\n", &first);
14848 hintRequested = TRUE;
14854 if (appData.noChessProgram) return;
14855 switch (gameMode) {
14856 case MachinePlaysWhite:
14857 if (WhiteOnMove(forwardMostMove)) {
14858 DisplayError(_("Wait until your turn"), 0);
14862 case BeginningOfGame:
14863 case MachinePlaysBlack:
14864 if (!WhiteOnMove(forwardMostMove)) {
14865 DisplayError(_("Wait until your turn"), 0);
14870 EditPositionDone(TRUE);
14872 case TwoMachinesPlay:
14877 SendToProgram("bk\n", &first);
14878 bookOutput[0] = NULLCHAR;
14879 bookRequested = TRUE;
14885 char *tags = PGNTags(&gameInfo);
14886 TagsPopUp(tags, CmailMsg());
14890 /* end button procedures */
14893 PrintPosition (FILE *fp, int move)
14897 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14898 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14899 char c = PieceToChar(boards[move][i][j]);
14900 fputc(c == 'x' ? '.' : c, fp);
14901 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14904 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14905 fprintf(fp, "white to play\n");
14907 fprintf(fp, "black to play\n");
14911 PrintOpponents (FILE *fp)
14913 if (gameInfo.white != NULL) {
14914 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14920 /* Find last component of program's own name, using some heuristics */
14922 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14925 int local = (strcmp(host, "localhost") == 0);
14926 while (!local && (p = strchr(prog, ';')) != NULL) {
14928 while (*p == ' ') p++;
14931 if (*prog == '"' || *prog == '\'') {
14932 q = strchr(prog + 1, *prog);
14934 q = strchr(prog, ' ');
14936 if (q == NULL) q = prog + strlen(prog);
14938 while (p >= prog && *p != '/' && *p != '\\') p--;
14940 if(p == prog && *p == '"') p++;
14942 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14943 memcpy(buf, p, q - p);
14944 buf[q - p] = NULLCHAR;
14952 TimeControlTagValue ()
14955 if (!appData.clockMode) {
14956 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14957 } else if (movesPerSession > 0) {
14958 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14959 } else if (timeIncrement == 0) {
14960 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14962 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14964 return StrSave(buf);
14970 /* This routine is used only for certain modes */
14971 VariantClass v = gameInfo.variant;
14972 ChessMove r = GameUnfinished;
14975 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14976 r = gameInfo.result;
14977 p = gameInfo.resultDetails;
14978 gameInfo.resultDetails = NULL;
14980 ClearGameInfo(&gameInfo);
14981 gameInfo.variant = v;
14983 switch (gameMode) {
14984 case MachinePlaysWhite:
14985 gameInfo.event = StrSave( appData.pgnEventHeader );
14986 gameInfo.site = StrSave(HostName());
14987 gameInfo.date = PGNDate();
14988 gameInfo.round = StrSave("-");
14989 gameInfo.white = StrSave(first.tidy);
14990 gameInfo.black = StrSave(UserName());
14991 gameInfo.timeControl = TimeControlTagValue();
14994 case MachinePlaysBlack:
14995 gameInfo.event = StrSave( appData.pgnEventHeader );
14996 gameInfo.site = StrSave(HostName());
14997 gameInfo.date = PGNDate();
14998 gameInfo.round = StrSave("-");
14999 gameInfo.white = StrSave(UserName());
15000 gameInfo.black = StrSave(first.tidy);
15001 gameInfo.timeControl = TimeControlTagValue();
15004 case TwoMachinesPlay:
15005 gameInfo.event = StrSave( appData.pgnEventHeader );
15006 gameInfo.site = StrSave(HostName());
15007 gameInfo.date = PGNDate();
15010 snprintf(buf, MSG_SIZ, "%d", roundNr);
15011 gameInfo.round = StrSave(buf);
15013 gameInfo.round = StrSave("-");
15015 if (first.twoMachinesColor[0] == 'w') {
15016 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15017 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15019 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15020 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15022 gameInfo.timeControl = TimeControlTagValue();
15026 gameInfo.event = StrSave("Edited game");
15027 gameInfo.site = StrSave(HostName());
15028 gameInfo.date = PGNDate();
15029 gameInfo.round = StrSave("-");
15030 gameInfo.white = StrSave("-");
15031 gameInfo.black = StrSave("-");
15032 gameInfo.result = r;
15033 gameInfo.resultDetails = p;
15037 gameInfo.event = StrSave("Edited position");
15038 gameInfo.site = StrSave(HostName());
15039 gameInfo.date = PGNDate();
15040 gameInfo.round = StrSave("-");
15041 gameInfo.white = StrSave("-");
15042 gameInfo.black = StrSave("-");
15045 case IcsPlayingWhite:
15046 case IcsPlayingBlack:
15051 case PlayFromGameFile:
15052 gameInfo.event = StrSave("Game from non-PGN file");
15053 gameInfo.site = StrSave(HostName());
15054 gameInfo.date = PGNDate();
15055 gameInfo.round = StrSave("-");
15056 gameInfo.white = StrSave("?");
15057 gameInfo.black = StrSave("?");
15066 ReplaceComment (int index, char *text)
15072 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15073 pvInfoList[index-1].depth == len &&
15074 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15075 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15076 while (*text == '\n') text++;
15077 len = strlen(text);
15078 while (len > 0 && text[len - 1] == '\n') len--;
15080 if (commentList[index] != NULL)
15081 free(commentList[index]);
15084 commentList[index] = NULL;
15087 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15088 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15089 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15090 commentList[index] = (char *) malloc(len + 2);
15091 strncpy(commentList[index], text, len);
15092 commentList[index][len] = '\n';
15093 commentList[index][len + 1] = NULLCHAR;
15095 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15097 commentList[index] = (char *) malloc(len + 7);
15098 safeStrCpy(commentList[index], "{\n", 3);
15099 safeStrCpy(commentList[index]+2, text, len+1);
15100 commentList[index][len+2] = NULLCHAR;
15101 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15102 strcat(commentList[index], "\n}\n");
15107 CrushCRs (char *text)
15115 if (ch == '\r') continue;
15117 } while (ch != '\0');
15121 AppendComment (int index, char *text, Boolean addBraces)
15122 /* addBraces tells if we should add {} */
15127 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15128 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15131 while (*text == '\n') text++;
15132 len = strlen(text);
15133 while (len > 0 && text[len - 1] == '\n') len--;
15134 text[len] = NULLCHAR;
15136 if (len == 0) return;
15138 if (commentList[index] != NULL) {
15139 Boolean addClosingBrace = addBraces;
15140 old = commentList[index];
15141 oldlen = strlen(old);
15142 while(commentList[index][oldlen-1] == '\n')
15143 commentList[index][--oldlen] = NULLCHAR;
15144 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15145 safeStrCpy(commentList[index], old, oldlen + len + 6);
15147 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15148 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15149 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15150 while (*text == '\n') { text++; len--; }
15151 commentList[index][--oldlen] = NULLCHAR;
15153 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15154 else strcat(commentList[index], "\n");
15155 strcat(commentList[index], text);
15156 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15157 else strcat(commentList[index], "\n");
15159 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15161 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15162 else commentList[index][0] = NULLCHAR;
15163 strcat(commentList[index], text);
15164 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15165 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15170 FindStr (char * text, char * sub_text)
15172 char * result = strstr( text, sub_text );
15174 if( result != NULL ) {
15175 result += strlen( sub_text );
15181 /* [AS] Try to extract PV info from PGN comment */
15182 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15184 GetInfoFromComment (int index, char * text)
15186 char * sep = text, *p;
15188 if( text != NULL && index > 0 ) {
15191 int time = -1, sec = 0, deci;
15192 char * s_eval = FindStr( text, "[%eval " );
15193 char * s_emt = FindStr( text, "[%emt " );
15195 if( s_eval != NULL || s_emt != NULL ) {
15199 if( s_eval != NULL ) {
15200 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15204 if( delim != ']' ) {
15209 if( s_emt != NULL ) {
15214 /* We expect something like: [+|-]nnn.nn/dd */
15217 if(*text != '{') return text; // [HGM] braces: must be normal comment
15219 sep = strchr( text, '/' );
15220 if( sep == NULL || sep < (text+4) ) {
15225 if(p[1] == '(') { // comment starts with PV
15226 p = strchr(p, ')'); // locate end of PV
15227 if(p == NULL || sep < p+5) return text;
15228 // at this point we have something like "{(.*) +0.23/6 ..."
15229 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15230 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15231 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15233 time = -1; sec = -1; deci = -1;
15234 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15235 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15236 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15237 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15241 if( score_lo < 0 || score_lo >= 100 ) {
15245 if(sec >= 0) time = 600*time + 10*sec; else
15246 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15248 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15250 /* [HGM] PV time: now locate end of PV info */
15251 while( *++sep >= '0' && *sep <= '9'); // strip depth
15253 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15255 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15257 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15258 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15269 pvInfoList[index-1].depth = depth;
15270 pvInfoList[index-1].score = score;
15271 pvInfoList[index-1].time = 10*time; // centi-sec
15272 if(*sep == '}') *sep = 0; else *--sep = '{';
15273 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15279 SendToProgram (char *message, ChessProgramState *cps)
15281 int count, outCount, error;
15284 if (cps->pr == NoProc) return;
15287 if (appData.debugMode) {
15290 fprintf(debugFP, "%ld >%-6s: %s",
15291 SubtractTimeMarks(&now, &programStartTime),
15292 cps->which, message);
15294 fprintf(serverFP, "%ld >%-6s: %s",
15295 SubtractTimeMarks(&now, &programStartTime),
15296 cps->which, message), fflush(serverFP);
15299 count = strlen(message);
15300 outCount = OutputToProcess(cps->pr, message, count, &error);
15301 if (outCount < count && !exiting
15302 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15303 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15304 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15305 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15306 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15307 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15308 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15309 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15311 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15312 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15313 gameInfo.result = res;
15315 gameInfo.resultDetails = StrSave(buf);
15317 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15318 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15323 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15327 ChessProgramState *cps = (ChessProgramState *)closure;
15329 if (isr != cps->isr) return; /* Killed intentionally */
15332 RemoveInputSource(cps->isr);
15333 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15334 _(cps->which), cps->program);
15335 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15336 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15337 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15338 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15339 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15340 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15342 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15343 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15344 gameInfo.result = res;
15346 gameInfo.resultDetails = StrSave(buf);
15348 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15349 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15351 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15352 _(cps->which), cps->program);
15353 RemoveInputSource(cps->isr);
15355 /* [AS] Program is misbehaving badly... kill it */
15356 if( count == -2 ) {
15357 DestroyChildProcess( cps->pr, 9 );
15361 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15366 if ((end_str = strchr(message, '\r')) != NULL)
15367 *end_str = NULLCHAR;
15368 if ((end_str = strchr(message, '\n')) != NULL)
15369 *end_str = NULLCHAR;
15371 if (appData.debugMode) {
15372 TimeMark now; int print = 1;
15373 char *quote = ""; char c; int i;
15375 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15376 char start = message[0];
15377 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15378 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15379 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15380 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15381 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15382 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15383 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15384 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15385 sscanf(message, "hint: %c", &c)!=1 &&
15386 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15387 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15388 print = (appData.engineComments >= 2);
15390 message[0] = start; // restore original message
15394 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15395 SubtractTimeMarks(&now, &programStartTime), cps->which,
15399 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15400 SubtractTimeMarks(&now, &programStartTime), cps->which,
15402 message), fflush(serverFP);
15406 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15407 if (appData.icsEngineAnalyze) {
15408 if (strstr(message, "whisper") != NULL ||
15409 strstr(message, "kibitz") != NULL ||
15410 strstr(message, "tellics") != NULL) return;
15413 HandleMachineMove(message, cps);
15418 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15423 if( timeControl_2 > 0 ) {
15424 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15425 tc = timeControl_2;
15428 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15429 inc /= cps->timeOdds;
15430 st /= cps->timeOdds;
15432 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15435 /* Set exact time per move, normally using st command */
15436 if (cps->stKludge) {
15437 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15439 if (seconds == 0) {
15440 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15442 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15445 snprintf(buf, MSG_SIZ, "st %d\n", st);
15448 /* Set conventional or incremental time control, using level command */
15449 if (seconds == 0) {
15450 /* Note old gnuchess bug -- minutes:seconds used to not work.
15451 Fixed in later versions, but still avoid :seconds
15452 when seconds is 0. */
15453 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15455 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15456 seconds, inc/1000.);
15459 SendToProgram(buf, cps);
15461 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15462 /* Orthogonally, limit search to given depth */
15464 if (cps->sdKludge) {
15465 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15467 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15469 SendToProgram(buf, cps);
15472 if(cps->nps >= 0) { /* [HGM] nps */
15473 if(cps->supportsNPS == FALSE)
15474 cps->nps = -1; // don't use if engine explicitly says not supported!
15476 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15477 SendToProgram(buf, cps);
15482 ChessProgramState *
15484 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15486 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15487 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15493 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15495 char message[MSG_SIZ];
15498 /* Note: this routine must be called when the clocks are stopped
15499 or when they have *just* been set or switched; otherwise
15500 it will be off by the time since the current tick started.
15502 if (machineWhite) {
15503 time = whiteTimeRemaining / 10;
15504 otime = blackTimeRemaining / 10;
15506 time = blackTimeRemaining / 10;
15507 otime = whiteTimeRemaining / 10;
15509 /* [HGM] translate opponent's time by time-odds factor */
15510 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15512 if (time <= 0) time = 1;
15513 if (otime <= 0) otime = 1;
15515 snprintf(message, MSG_SIZ, "time %ld\n", time);
15516 SendToProgram(message, cps);
15518 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15519 SendToProgram(message, cps);
15523 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15526 int len = strlen(name);
15529 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15531 sscanf(*p, "%d", &val);
15533 while (**p && **p != ' ')
15535 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15536 SendToProgram(buf, cps);
15543 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15546 int len = strlen(name);
15547 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15549 sscanf(*p, "%d", loc);
15550 while (**p && **p != ' ') (*p)++;
15551 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15552 SendToProgram(buf, cps);
15559 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15562 int len = strlen(name);
15563 if (strncmp((*p), name, len) == 0
15564 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15566 sscanf(*p, "%[^\"]", loc);
15567 while (**p && **p != '\"') (*p)++;
15568 if (**p == '\"') (*p)++;
15569 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15570 SendToProgram(buf, cps);
15577 ParseOption (Option *opt, ChessProgramState *cps)
15578 // [HGM] options: process the string that defines an engine option, and determine
15579 // name, type, default value, and allowed value range
15581 char *p, *q, buf[MSG_SIZ];
15582 int n, min = (-1)<<31, max = 1<<31, def;
15584 if(p = strstr(opt->name, " -spin ")) {
15585 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15586 if(max < min) max = min; // enforce consistency
15587 if(def < min) def = min;
15588 if(def > max) def = max;
15593 } else if((p = strstr(opt->name, " -slider "))) {
15594 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15595 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15596 if(max < min) max = min; // enforce consistency
15597 if(def < min) def = min;
15598 if(def > max) def = max;
15602 opt->type = Spin; // Slider;
15603 } else if((p = strstr(opt->name, " -string "))) {
15604 opt->textValue = p+9;
15605 opt->type = TextBox;
15606 } else if((p = strstr(opt->name, " -file "))) {
15607 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15608 opt->textValue = p+7;
15609 opt->type = FileName; // FileName;
15610 } else if((p = strstr(opt->name, " -path "))) {
15611 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15612 opt->textValue = p+7;
15613 opt->type = PathName; // PathName;
15614 } else if(p = strstr(opt->name, " -check ")) {
15615 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15616 opt->value = (def != 0);
15617 opt->type = CheckBox;
15618 } else if(p = strstr(opt->name, " -combo ")) {
15619 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15620 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15621 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15622 opt->value = n = 0;
15623 while(q = StrStr(q, " /// ")) {
15624 n++; *q = 0; // count choices, and null-terminate each of them
15626 if(*q == '*') { // remember default, which is marked with * prefix
15630 cps->comboList[cps->comboCnt++] = q;
15632 cps->comboList[cps->comboCnt++] = NULL;
15634 opt->type = ComboBox;
15635 } else if(p = strstr(opt->name, " -button")) {
15636 opt->type = Button;
15637 } else if(p = strstr(opt->name, " -save")) {
15638 opt->type = SaveButton;
15639 } else return FALSE;
15640 *p = 0; // terminate option name
15641 // now look if the command-line options define a setting for this engine option.
15642 if(cps->optionSettings && cps->optionSettings[0])
15643 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15644 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15645 snprintf(buf, MSG_SIZ, "option %s", p);
15646 if(p = strstr(buf, ",")) *p = 0;
15647 if(q = strchr(buf, '=')) switch(opt->type) {
15649 for(n=0; n<opt->max; n++)
15650 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15653 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15657 opt->value = atoi(q+1);
15662 SendToProgram(buf, cps);
15668 FeatureDone (ChessProgramState *cps, int val)
15670 DelayedEventCallback cb = GetDelayedEvent();
15671 if ((cb == InitBackEnd3 && cps == &first) ||
15672 (cb == SettingsMenuIfReady && cps == &second) ||
15673 (cb == LoadEngine) ||
15674 (cb == TwoMachinesEventIfReady)) {
15675 CancelDelayedEvent();
15676 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15678 cps->initDone = val;
15681 /* Parse feature command from engine */
15683 ParseFeatures (char *args, ChessProgramState *cps)
15691 while (*p == ' ') p++;
15692 if (*p == NULLCHAR) return;
15694 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15695 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15696 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15697 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15698 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15699 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15700 if (BoolFeature(&p, "reuse", &val, cps)) {
15701 /* Engine can disable reuse, but can't enable it if user said no */
15702 if (!val) cps->reuse = FALSE;
15705 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15706 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15707 if (gameMode == TwoMachinesPlay) {
15708 DisplayTwoMachinesTitle();
15714 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15715 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15716 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15717 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15718 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15719 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15720 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
15721 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15722 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15723 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15724 if (IntFeature(&p, "done", &val, cps)) {
15725 FeatureDone(cps, val);
15728 /* Added by Tord: */
15729 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15730 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15731 /* End of additions by Tord */
15733 /* [HGM] added features: */
15734 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15735 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15736 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15737 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15738 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15739 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15740 if (StringFeature(&p, "option", buf, cps)) {
15741 FREE(cps->option[cps->nrOptions].name);
15742 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
15743 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
15744 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15745 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15746 SendToProgram(buf, cps);
15749 if(cps->nrOptions >= MAX_OPTIONS) {
15751 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15752 DisplayError(buf, 0);
15756 /* End of additions by HGM */
15758 /* unknown feature: complain and skip */
15760 while (*q && *q != '=') q++;
15761 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15762 SendToProgram(buf, cps);
15768 while (*p && *p != '\"') p++;
15769 if (*p == '\"') p++;
15771 while (*p && *p != ' ') p++;
15779 PeriodicUpdatesEvent (int newState)
15781 if (newState == appData.periodicUpdates)
15784 appData.periodicUpdates=newState;
15786 /* Display type changes, so update it now */
15787 // DisplayAnalysis();
15789 /* Get the ball rolling again... */
15791 AnalysisPeriodicEvent(1);
15792 StartAnalysisClock();
15797 PonderNextMoveEvent (int newState)
15799 if (newState == appData.ponderNextMove) return;
15800 if (gameMode == EditPosition) EditPositionDone(TRUE);
15802 SendToProgram("hard\n", &first);
15803 if (gameMode == TwoMachinesPlay) {
15804 SendToProgram("hard\n", &second);
15807 SendToProgram("easy\n", &first);
15808 thinkOutput[0] = NULLCHAR;
15809 if (gameMode == TwoMachinesPlay) {
15810 SendToProgram("easy\n", &second);
15813 appData.ponderNextMove = newState;
15817 NewSettingEvent (int option, int *feature, char *command, int value)
15821 if (gameMode == EditPosition) EditPositionDone(TRUE);
15822 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15823 if(feature == NULL || *feature) SendToProgram(buf, &first);
15824 if (gameMode == TwoMachinesPlay) {
15825 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15830 ShowThinkingEvent ()
15831 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15833 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15834 int newState = appData.showThinking
15835 // [HGM] thinking: other features now need thinking output as well
15836 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15838 if (oldState == newState) return;
15839 oldState = newState;
15840 if (gameMode == EditPosition) EditPositionDone(TRUE);
15842 SendToProgram("post\n", &first);
15843 if (gameMode == TwoMachinesPlay) {
15844 SendToProgram("post\n", &second);
15847 SendToProgram("nopost\n", &first);
15848 thinkOutput[0] = NULLCHAR;
15849 if (gameMode == TwoMachinesPlay) {
15850 SendToProgram("nopost\n", &second);
15853 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15857 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15859 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15860 if (pr == NoProc) return;
15861 AskQuestion(title, question, replyPrefix, pr);
15865 TypeInEvent (char firstChar)
15867 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15868 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15869 gameMode == AnalyzeMode || gameMode == EditGame ||
15870 gameMode == EditPosition || gameMode == IcsExamining ||
15871 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15872 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15873 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15874 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15875 gameMode == Training) PopUpMoveDialog(firstChar);
15879 TypeInDoneEvent (char *move)
15882 int n, fromX, fromY, toX, toY;
15884 ChessMove moveType;
15887 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15888 EditPositionPasteFEN(move);
15891 // [HGM] movenum: allow move number to be typed in any mode
15892 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15896 // undocumented kludge: allow command-line option to be typed in!
15897 // (potentially fatal, and does not implement the effect of the option.)
15898 // should only be used for options that are values on which future decisions will be made,
15899 // and definitely not on options that would be used during initialization.
15900 if(strstr(move, "!!! -") == move) {
15901 ParseArgsFromString(move+4);
15905 if (gameMode != EditGame && currentMove != forwardMostMove &&
15906 gameMode != Training) {
15907 DisplayMoveError(_("Displayed move is not current"));
15909 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15910 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15911 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15912 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15913 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15914 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15916 DisplayMoveError(_("Could not parse move"));
15922 DisplayMove (int moveNumber)
15924 char message[MSG_SIZ];
15926 char cpThinkOutput[MSG_SIZ];
15928 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15930 if (moveNumber == forwardMostMove - 1 ||
15931 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15933 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15935 if (strchr(cpThinkOutput, '\n')) {
15936 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15939 *cpThinkOutput = NULLCHAR;
15942 /* [AS] Hide thinking from human user */
15943 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15944 *cpThinkOutput = NULLCHAR;
15945 if( thinkOutput[0] != NULLCHAR ) {
15948 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15949 cpThinkOutput[i] = '.';
15951 cpThinkOutput[i] = NULLCHAR;
15952 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15956 if (moveNumber == forwardMostMove - 1 &&
15957 gameInfo.resultDetails != NULL) {
15958 if (gameInfo.resultDetails[0] == NULLCHAR) {
15959 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15961 snprintf(res, MSG_SIZ, " {%s} %s",
15962 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15968 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15969 DisplayMessage(res, cpThinkOutput);
15971 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15972 WhiteOnMove(moveNumber) ? " " : ".. ",
15973 parseList[moveNumber], res);
15974 DisplayMessage(message, cpThinkOutput);
15979 DisplayComment (int moveNumber, char *text)
15981 char title[MSG_SIZ];
15983 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15984 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15986 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15987 WhiteOnMove(moveNumber) ? " " : ".. ",
15988 parseList[moveNumber]);
15990 if (text != NULL && (appData.autoDisplayComment || commentUp))
15991 CommentPopUp(title, text);
15994 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15995 * might be busy thinking or pondering. It can be omitted if your
15996 * gnuchess is configured to stop thinking immediately on any user
15997 * input. However, that gnuchess feature depends on the FIONREAD
15998 * ioctl, which does not work properly on some flavors of Unix.
16001 Attention (ChessProgramState *cps)
16004 if (!cps->useSigint) return;
16005 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16006 switch (gameMode) {
16007 case MachinePlaysWhite:
16008 case MachinePlaysBlack:
16009 case TwoMachinesPlay:
16010 case IcsPlayingWhite:
16011 case IcsPlayingBlack:
16014 /* Skip if we know it isn't thinking */
16015 if (!cps->maybeThinking) return;
16016 if (appData.debugMode)
16017 fprintf(debugFP, "Interrupting %s\n", cps->which);
16018 InterruptChildProcess(cps->pr);
16019 cps->maybeThinking = FALSE;
16024 #endif /*ATTENTION*/
16030 if (whiteTimeRemaining <= 0) {
16033 if (appData.icsActive) {
16034 if (appData.autoCallFlag &&
16035 gameMode == IcsPlayingBlack && !blackFlag) {
16036 SendToICS(ics_prefix);
16037 SendToICS("flag\n");
16041 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16043 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16044 if (appData.autoCallFlag) {
16045 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16052 if (blackTimeRemaining <= 0) {
16055 if (appData.icsActive) {
16056 if (appData.autoCallFlag &&
16057 gameMode == IcsPlayingWhite && !whiteFlag) {
16058 SendToICS(ics_prefix);
16059 SendToICS("flag\n");
16063 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16065 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16066 if (appData.autoCallFlag) {
16067 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16078 CheckTimeControl ()
16080 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16081 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16084 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16086 if ( !WhiteOnMove(forwardMostMove) ) {
16087 /* White made time control */
16088 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16089 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16090 /* [HGM] time odds: correct new time quota for time odds! */
16091 / WhitePlayer()->timeOdds;
16092 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16094 lastBlack -= blackTimeRemaining;
16095 /* Black made time control */
16096 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16097 / WhitePlayer()->other->timeOdds;
16098 lastWhite = whiteTimeRemaining;
16103 DisplayBothClocks ()
16105 int wom = gameMode == EditPosition ?
16106 !blackPlaysFirst : WhiteOnMove(currentMove);
16107 DisplayWhiteClock(whiteTimeRemaining, wom);
16108 DisplayBlackClock(blackTimeRemaining, !wom);
16112 /* Timekeeping seems to be a portability nightmare. I think everyone
16113 has ftime(), but I'm really not sure, so I'm including some ifdefs
16114 to use other calls if you don't. Clocks will be less accurate if
16115 you have neither ftime nor gettimeofday.
16118 /* VS 2008 requires the #include outside of the function */
16119 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16120 #include <sys/timeb.h>
16123 /* Get the current time as a TimeMark */
16125 GetTimeMark (TimeMark *tm)
16127 #if HAVE_GETTIMEOFDAY
16129 struct timeval timeVal;
16130 struct timezone timeZone;
16132 gettimeofday(&timeVal, &timeZone);
16133 tm->sec = (long) timeVal.tv_sec;
16134 tm->ms = (int) (timeVal.tv_usec / 1000L);
16136 #else /*!HAVE_GETTIMEOFDAY*/
16139 // include <sys/timeb.h> / moved to just above start of function
16140 struct timeb timeB;
16143 tm->sec = (long) timeB.time;
16144 tm->ms = (int) timeB.millitm;
16146 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16147 tm->sec = (long) time(NULL);
16153 /* Return the difference in milliseconds between two
16154 time marks. We assume the difference will fit in a long!
16157 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16159 return 1000L*(tm2->sec - tm1->sec) +
16160 (long) (tm2->ms - tm1->ms);
16165 * Code to manage the game clocks.
16167 * In tournament play, black starts the clock and then white makes a move.
16168 * We give the human user a slight advantage if he is playing white---the
16169 * clocks don't run until he makes his first move, so it takes zero time.
16170 * Also, we don't account for network lag, so we could get out of sync
16171 * with GNU Chess's clock -- but then, referees are always right.
16174 static TimeMark tickStartTM;
16175 static long intendedTickLength;
16178 NextTickLength (long timeRemaining)
16180 long nominalTickLength, nextTickLength;
16182 if (timeRemaining > 0L && timeRemaining <= 10000L)
16183 nominalTickLength = 100L;
16185 nominalTickLength = 1000L;
16186 nextTickLength = timeRemaining % nominalTickLength;
16187 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16189 return nextTickLength;
16192 /* Adjust clock one minute up or down */
16194 AdjustClock (Boolean which, int dir)
16196 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16197 if(which) blackTimeRemaining += 60000*dir;
16198 else whiteTimeRemaining += 60000*dir;
16199 DisplayBothClocks();
16200 adjustedClock = TRUE;
16203 /* Stop clocks and reset to a fresh time control */
16207 (void) StopClockTimer();
16208 if (appData.icsActive) {
16209 whiteTimeRemaining = blackTimeRemaining = 0;
16210 } else if (searchTime) {
16211 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16212 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16213 } else { /* [HGM] correct new time quote for time odds */
16214 whiteTC = blackTC = fullTimeControlString;
16215 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16216 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16218 if (whiteFlag || blackFlag) {
16220 whiteFlag = blackFlag = FALSE;
16222 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16223 DisplayBothClocks();
16224 adjustedClock = FALSE;
16227 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16229 /* Decrement running clock by amount of time that has passed */
16233 long timeRemaining;
16234 long lastTickLength, fudge;
16237 if (!appData.clockMode) return;
16238 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16242 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16244 /* Fudge if we woke up a little too soon */
16245 fudge = intendedTickLength - lastTickLength;
16246 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16248 if (WhiteOnMove(forwardMostMove)) {
16249 if(whiteNPS >= 0) lastTickLength = 0;
16250 timeRemaining = whiteTimeRemaining -= lastTickLength;
16251 if(timeRemaining < 0 && !appData.icsActive) {
16252 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16253 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16254 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16255 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16258 DisplayWhiteClock(whiteTimeRemaining - fudge,
16259 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16261 if(blackNPS >= 0) lastTickLength = 0;
16262 timeRemaining = blackTimeRemaining -= lastTickLength;
16263 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16264 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16266 blackStartMove = forwardMostMove;
16267 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16270 DisplayBlackClock(blackTimeRemaining - fudge,
16271 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16273 if (CheckFlags()) return;
16275 if(twoBoards) { // count down secondary board's clocks as well
16276 activePartnerTime -= lastTickLength;
16278 if(activePartner == 'W')
16279 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16281 DisplayBlackClock(activePartnerTime, TRUE);
16286 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16287 StartClockTimer(intendedTickLength);
16289 /* if the time remaining has fallen below the alarm threshold, sound the
16290 * alarm. if the alarm has sounded and (due to a takeback or time control
16291 * with increment) the time remaining has increased to a level above the
16292 * threshold, reset the alarm so it can sound again.
16295 if (appData.icsActive && appData.icsAlarm) {
16297 /* make sure we are dealing with the user's clock */
16298 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16299 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16302 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16303 alarmSounded = FALSE;
16304 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16306 alarmSounded = TRUE;
16312 /* A player has just moved, so stop the previously running
16313 clock and (if in clock mode) start the other one.
16314 We redisplay both clocks in case we're in ICS mode, because
16315 ICS gives us an update to both clocks after every move.
16316 Note that this routine is called *after* forwardMostMove
16317 is updated, so the last fractional tick must be subtracted
16318 from the color that is *not* on move now.
16321 SwitchClocks (int newMoveNr)
16323 long lastTickLength;
16325 int flagged = FALSE;
16329 if (StopClockTimer() && appData.clockMode) {
16330 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16331 if (!WhiteOnMove(forwardMostMove)) {
16332 if(blackNPS >= 0) lastTickLength = 0;
16333 blackTimeRemaining -= lastTickLength;
16334 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16335 // if(pvInfoList[forwardMostMove].time == -1)
16336 pvInfoList[forwardMostMove].time = // use GUI time
16337 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16339 if(whiteNPS >= 0) lastTickLength = 0;
16340 whiteTimeRemaining -= lastTickLength;
16341 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16342 // if(pvInfoList[forwardMostMove].time == -1)
16343 pvInfoList[forwardMostMove].time =
16344 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16346 flagged = CheckFlags();
16348 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16349 CheckTimeControl();
16351 if (flagged || !appData.clockMode) return;
16353 switch (gameMode) {
16354 case MachinePlaysBlack:
16355 case MachinePlaysWhite:
16356 case BeginningOfGame:
16357 if (pausing) return;
16361 case PlayFromGameFile:
16369 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16370 if(WhiteOnMove(forwardMostMove))
16371 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16372 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16376 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16377 whiteTimeRemaining : blackTimeRemaining);
16378 StartClockTimer(intendedTickLength);
16382 /* Stop both clocks */
16386 long lastTickLength;
16389 if (!StopClockTimer()) return;
16390 if (!appData.clockMode) return;
16394 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16395 if (WhiteOnMove(forwardMostMove)) {
16396 if(whiteNPS >= 0) lastTickLength = 0;
16397 whiteTimeRemaining -= lastTickLength;
16398 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16400 if(blackNPS >= 0) lastTickLength = 0;
16401 blackTimeRemaining -= lastTickLength;
16402 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16407 /* Start clock of player on move. Time may have been reset, so
16408 if clock is already running, stop and restart it. */
16412 (void) StopClockTimer(); /* in case it was running already */
16413 DisplayBothClocks();
16414 if (CheckFlags()) return;
16416 if (!appData.clockMode) return;
16417 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16419 GetTimeMark(&tickStartTM);
16420 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16421 whiteTimeRemaining : blackTimeRemaining);
16423 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16424 whiteNPS = blackNPS = -1;
16425 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16426 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16427 whiteNPS = first.nps;
16428 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16429 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16430 blackNPS = first.nps;
16431 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16432 whiteNPS = second.nps;
16433 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16434 blackNPS = second.nps;
16435 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16437 StartClockTimer(intendedTickLength);
16441 TimeString (long ms)
16443 long second, minute, hour, day;
16445 static char buf[32];
16447 if (ms > 0 && ms <= 9900) {
16448 /* convert milliseconds to tenths, rounding up */
16449 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16451 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16455 /* convert milliseconds to seconds, rounding up */
16456 /* use floating point to avoid strangeness of integer division
16457 with negative dividends on many machines */
16458 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16465 day = second / (60 * 60 * 24);
16466 second = second % (60 * 60 * 24);
16467 hour = second / (60 * 60);
16468 second = second % (60 * 60);
16469 minute = second / 60;
16470 second = second % 60;
16473 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16474 sign, day, hour, minute, second);
16476 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16478 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16485 * This is necessary because some C libraries aren't ANSI C compliant yet.
16488 StrStr (char *string, char *match)
16492 length = strlen(match);
16494 for (i = strlen(string) - length; i >= 0; i--, string++)
16495 if (!strncmp(match, string, length))
16502 StrCaseStr (char *string, char *match)
16506 length = strlen(match);
16508 for (i = strlen(string) - length; i >= 0; i--, string++) {
16509 for (j = 0; j < length; j++) {
16510 if (ToLower(match[j]) != ToLower(string[j]))
16513 if (j == length) return string;
16521 StrCaseCmp (char *s1, char *s2)
16526 c1 = ToLower(*s1++);
16527 c2 = ToLower(*s2++);
16528 if (c1 > c2) return 1;
16529 if (c1 < c2) return -1;
16530 if (c1 == NULLCHAR) return 0;
16538 return isupper(c) ? tolower(c) : c;
16545 return islower(c) ? toupper(c) : c;
16547 #endif /* !_amigados */
16554 if ((ret = (char *) malloc(strlen(s) + 1)))
16556 safeStrCpy(ret, s, strlen(s)+1);
16562 StrSavePtr (char *s, char **savePtr)
16567 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16568 safeStrCpy(*savePtr, s, strlen(s)+1);
16580 clock = time((time_t *)NULL);
16581 tm = localtime(&clock);
16582 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16583 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16584 return StrSave(buf);
16589 PositionToFEN (int move, char *overrideCastling)
16591 int i, j, fromX, fromY, toX, toY;
16598 whiteToPlay = (gameMode == EditPosition) ?
16599 !blackPlaysFirst : (move % 2 == 0);
16602 /* Piece placement data */
16603 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16604 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16606 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16607 if (boards[move][i][j] == EmptySquare) {
16609 } else { ChessSquare piece = boards[move][i][j];
16610 if (emptycount > 0) {
16611 if(emptycount<10) /* [HGM] can be >= 10 */
16612 *p++ = '0' + emptycount;
16613 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16616 if(PieceToChar(piece) == '+') {
16617 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16619 piece = (ChessSquare)(DEMOTED piece);
16621 *p++ = PieceToChar(piece);
16623 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16624 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16629 if (emptycount > 0) {
16630 if(emptycount<10) /* [HGM] can be >= 10 */
16631 *p++ = '0' + emptycount;
16632 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16639 /* [HGM] print Crazyhouse or Shogi holdings */
16640 if( gameInfo.holdingsWidth ) {
16641 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16643 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16644 piece = boards[move][i][BOARD_WIDTH-1];
16645 if( piece != EmptySquare )
16646 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16647 *p++ = PieceToChar(piece);
16649 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16650 piece = boards[move][BOARD_HEIGHT-i-1][0];
16651 if( piece != EmptySquare )
16652 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16653 *p++ = PieceToChar(piece);
16656 if( q == p ) *p++ = '-';
16662 *p++ = whiteToPlay ? 'w' : 'b';
16665 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16666 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16668 if(nrCastlingRights) {
16670 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16671 /* [HGM] write directly from rights */
16672 if(boards[move][CASTLING][2] != NoRights &&
16673 boards[move][CASTLING][0] != NoRights )
16674 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16675 if(boards[move][CASTLING][2] != NoRights &&
16676 boards[move][CASTLING][1] != NoRights )
16677 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16678 if(boards[move][CASTLING][5] != NoRights &&
16679 boards[move][CASTLING][3] != NoRights )
16680 *p++ = boards[move][CASTLING][3] + AAA;
16681 if(boards[move][CASTLING][5] != NoRights &&
16682 boards[move][CASTLING][4] != NoRights )
16683 *p++ = boards[move][CASTLING][4] + AAA;
16686 /* [HGM] write true castling rights */
16687 if( nrCastlingRights == 6 ) {
16689 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16690 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
16691 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
16692 boards[move][CASTLING][2] != NoRights );
16693 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
16694 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
16695 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16696 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
16697 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
16701 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16702 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
16703 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
16704 boards[move][CASTLING][5] != NoRights );
16705 if(gameInfo.variant == VariantSChess) {
16706 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
16707 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16708 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
16709 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
16714 if (q == p) *p++ = '-'; /* No castling rights */
16718 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16719 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16720 /* En passant target square */
16721 if (move > backwardMostMove) {
16722 fromX = moveList[move - 1][0] - AAA;
16723 fromY = moveList[move - 1][1] - ONE;
16724 toX = moveList[move - 1][2] - AAA;
16725 toY = moveList[move - 1][3] - ONE;
16726 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16727 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16728 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16730 /* 2-square pawn move just happened */
16732 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16736 } else if(move == backwardMostMove) {
16737 // [HGM] perhaps we should always do it like this, and forget the above?
16738 if((signed char)boards[move][EP_STATUS] >= 0) {
16739 *p++ = boards[move][EP_STATUS] + AAA;
16740 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16751 /* [HGM] find reversible plies */
16752 { int i = 0, j=move;
16754 if (appData.debugMode) { int k;
16755 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16756 for(k=backwardMostMove; k<=forwardMostMove; k++)
16757 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16761 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16762 if( j == backwardMostMove ) i += initialRulePlies;
16763 sprintf(p, "%d ", i);
16764 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16766 /* Fullmove number */
16767 sprintf(p, "%d", (move / 2) + 1);
16769 return StrSave(buf);
16773 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16777 int emptycount, virgin[BOARD_FILES];
16782 /* [HGM] by default clear Crazyhouse holdings, if present */
16783 if(gameInfo.holdingsWidth) {
16784 for(i=0; i<BOARD_HEIGHT; i++) {
16785 board[i][0] = EmptySquare; /* black holdings */
16786 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16787 board[i][1] = (ChessSquare) 0; /* black counts */
16788 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16792 /* Piece placement data */
16793 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16796 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16797 if (*p == '/') p++;
16798 emptycount = gameInfo.boardWidth - j;
16799 while (emptycount--)
16800 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16802 #if(BOARD_FILES >= 10)
16803 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16804 p++; emptycount=10;
16805 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16806 while (emptycount--)
16807 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16809 } else if (isdigit(*p)) {
16810 emptycount = *p++ - '0';
16811 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16812 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16813 while (emptycount--)
16814 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16815 } else if (*p == '+' || isalpha(*p)) {
16816 if (j >= gameInfo.boardWidth) return FALSE;
16818 piece = CharToPiece(*++p);
16819 if(piece == EmptySquare) return FALSE; /* unknown piece */
16820 piece = (ChessSquare) (PROMOTED piece ); p++;
16821 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16822 } else piece = CharToPiece(*p++);
16824 if(piece==EmptySquare) return FALSE; /* unknown piece */
16825 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16826 piece = (ChessSquare) (PROMOTED piece);
16827 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16830 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16836 while (*p == '/' || *p == ' ') p++;
16838 /* [HGM] look for Crazyhouse holdings here */
16839 while(*p==' ') p++;
16840 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16842 if(*p == '-' ) p++; /* empty holdings */ else {
16843 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16844 /* if we would allow FEN reading to set board size, we would */
16845 /* have to add holdings and shift the board read so far here */
16846 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16848 if((int) piece >= (int) BlackPawn ) {
16849 i = (int)piece - (int)BlackPawn;
16850 i = PieceToNumber((ChessSquare)i);
16851 if( i >= gameInfo.holdingsSize ) return FALSE;
16852 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16853 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16855 i = (int)piece - (int)WhitePawn;
16856 i = PieceToNumber((ChessSquare)i);
16857 if( i >= gameInfo.holdingsSize ) return FALSE;
16858 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16859 board[i][BOARD_WIDTH-2]++; /* black holdings */
16866 while(*p == ' ') p++;
16870 if(appData.colorNickNames) {
16871 if( c == appData.colorNickNames[0] ) c = 'w'; else
16872 if( c == appData.colorNickNames[1] ) c = 'b';
16876 *blackPlaysFirst = FALSE;
16879 *blackPlaysFirst = TRUE;
16885 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16886 /* return the extra info in global variiables */
16888 /* set defaults in case FEN is incomplete */
16889 board[EP_STATUS] = EP_UNKNOWN;
16890 for(i=0; i<nrCastlingRights; i++ ) {
16891 board[CASTLING][i] =
16892 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16893 } /* assume possible unless obviously impossible */
16894 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16895 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16896 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16897 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16898 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16899 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16900 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16901 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16904 while(*p==' ') p++;
16905 if(nrCastlingRights) {
16906 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
16907 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
16908 /* castling indicator present, so default becomes no castlings */
16909 for(i=0; i<nrCastlingRights; i++ ) {
16910 board[CASTLING][i] = NoRights;
16913 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16914 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
16915 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16916 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16917 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
16919 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16920 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16921 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16923 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16924 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16925 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16926 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16927 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16928 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16931 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16932 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16933 board[CASTLING][2] = whiteKingFile;
16934 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
16935 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
16938 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16939 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16940 board[CASTLING][2] = whiteKingFile;
16941 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
16942 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
16945 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16946 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16947 board[CASTLING][5] = blackKingFile;
16948 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
16949 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
16952 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16953 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16954 board[CASTLING][5] = blackKingFile;
16955 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
16956 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
16959 default: /* FRC castlings */
16960 if(c >= 'a') { /* black rights */
16961 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
16962 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16963 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16964 if(i == BOARD_RGHT) break;
16965 board[CASTLING][5] = i;
16967 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16968 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16970 board[CASTLING][3] = c;
16972 board[CASTLING][4] = c;
16973 } else { /* white rights */
16974 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
16975 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16976 if(board[0][i] == WhiteKing) break;
16977 if(i == BOARD_RGHT) break;
16978 board[CASTLING][2] = i;
16979 c -= AAA - 'a' + 'A';
16980 if(board[0][c] >= WhiteKing) break;
16982 board[CASTLING][0] = c;
16984 board[CASTLING][1] = c;
16988 for(i=0; i<nrCastlingRights; i++)
16989 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16990 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
16991 if (appData.debugMode) {
16992 fprintf(debugFP, "FEN castling rights:");
16993 for(i=0; i<nrCastlingRights; i++)
16994 fprintf(debugFP, " %d", board[CASTLING][i]);
16995 fprintf(debugFP, "\n");
16998 while(*p==' ') p++;
17001 /* read e.p. field in games that know e.p. capture */
17002 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17003 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17005 p++; board[EP_STATUS] = EP_NONE;
17007 char c = *p++ - AAA;
17009 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17010 if(*p >= '0' && *p <='9') p++;
17011 board[EP_STATUS] = c;
17016 if(sscanf(p, "%d", &i) == 1) {
17017 FENrulePlies = i; /* 50-move ply counter */
17018 /* (The move number is still ignored) */
17025 EditPositionPasteFEN (char *fen)
17028 Board initial_position;
17030 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17031 DisplayError(_("Bad FEN position in clipboard"), 0);
17034 int savedBlackPlaysFirst = blackPlaysFirst;
17035 EditPositionEvent();
17036 blackPlaysFirst = savedBlackPlaysFirst;
17037 CopyBoard(boards[0], initial_position);
17038 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17039 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17040 DisplayBothClocks();
17041 DrawPosition(FALSE, boards[currentMove]);
17046 static char cseq[12] = "\\ ";
17049 set_cont_sequence (char *new_seq)
17054 // handle bad attempts to set the sequence
17056 return 0; // acceptable error - no debug
17058 len = strlen(new_seq);
17059 ret = (len > 0) && (len < sizeof(cseq));
17061 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17062 else if (appData.debugMode)
17063 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17068 reformat a source message so words don't cross the width boundary. internal
17069 newlines are not removed. returns the wrapped size (no null character unless
17070 included in source message). If dest is NULL, only calculate the size required
17071 for the dest buffer. lp argument indicats line position upon entry, and it's
17072 passed back upon exit.
17075 wrap (char *dest, char *src, int count, int width, int *lp)
17077 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17079 cseq_len = strlen(cseq);
17080 old_line = line = *lp;
17081 ansi = len = clen = 0;
17083 for (i=0; i < count; i++)
17085 if (src[i] == '\033')
17088 // if we hit the width, back up
17089 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17091 // store i & len in case the word is too long
17092 old_i = i, old_len = len;
17094 // find the end of the last word
17095 while (i && src[i] != ' ' && src[i] != '\n')
17101 // word too long? restore i & len before splitting it
17102 if ((old_i-i+clen) >= width)
17109 if (i && src[i-1] == ' ')
17112 if (src[i] != ' ' && src[i] != '\n')
17119 // now append the newline and continuation sequence
17124 strncpy(dest+len, cseq, cseq_len);
17132 dest[len] = src[i];
17136 if (src[i] == '\n')
17141 if (dest && appData.debugMode)
17143 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17144 count, width, line, len, *lp);
17145 show_bytes(debugFP, src, count);
17146 fprintf(debugFP, "\ndest: ");
17147 show_bytes(debugFP, dest, len);
17148 fprintf(debugFP, "\n");
17150 *lp = dest ? line : old_line;
17155 // [HGM] vari: routines for shelving variations
17156 Boolean modeRestore = FALSE;
17159 PushInner (int firstMove, int lastMove)
17161 int i, j, nrMoves = lastMove - firstMove;
17163 // push current tail of game on stack
17164 savedResult[storedGames] = gameInfo.result;
17165 savedDetails[storedGames] = gameInfo.resultDetails;
17166 gameInfo.resultDetails = NULL;
17167 savedFirst[storedGames] = firstMove;
17168 savedLast [storedGames] = lastMove;
17169 savedFramePtr[storedGames] = framePtr;
17170 framePtr -= nrMoves; // reserve space for the boards
17171 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17172 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17173 for(j=0; j<MOVE_LEN; j++)
17174 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17175 for(j=0; j<2*MOVE_LEN; j++)
17176 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17177 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17178 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17179 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17180 pvInfoList[firstMove+i-1].depth = 0;
17181 commentList[framePtr+i] = commentList[firstMove+i];
17182 commentList[firstMove+i] = NULL;
17186 forwardMostMove = firstMove; // truncate game so we can start variation
17190 PushTail (int firstMove, int lastMove)
17192 if(appData.icsActive) { // only in local mode
17193 forwardMostMove = currentMove; // mimic old ICS behavior
17196 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17198 PushInner(firstMove, lastMove);
17199 if(storedGames == 1) GreyRevert(FALSE);
17200 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17204 PopInner (Boolean annotate)
17207 char buf[8000], moveBuf[20];
17209 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17210 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17211 nrMoves = savedLast[storedGames] - currentMove;
17214 if(!WhiteOnMove(currentMove))
17215 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17216 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17217 for(i=currentMove; i<forwardMostMove; i++) {
17219 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17220 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17221 strcat(buf, moveBuf);
17222 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17223 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17227 for(i=1; i<=nrMoves; i++) { // copy last variation back
17228 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17229 for(j=0; j<MOVE_LEN; j++)
17230 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17231 for(j=0; j<2*MOVE_LEN; j++)
17232 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17233 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17234 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17235 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17236 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17237 commentList[currentMove+i] = commentList[framePtr+i];
17238 commentList[framePtr+i] = NULL;
17240 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17241 framePtr = savedFramePtr[storedGames];
17242 gameInfo.result = savedResult[storedGames];
17243 if(gameInfo.resultDetails != NULL) {
17244 free(gameInfo.resultDetails);
17246 gameInfo.resultDetails = savedDetails[storedGames];
17247 forwardMostMove = currentMove + nrMoves;
17251 PopTail (Boolean annotate)
17253 if(appData.icsActive) return FALSE; // only in local mode
17254 if(!storedGames) return FALSE; // sanity
17255 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17257 PopInner(annotate);
17258 if(currentMove < forwardMostMove) ForwardEvent(); else
17259 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17261 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17267 { // remove all shelved variations
17269 for(i=0; i<storedGames; i++) {
17270 if(savedDetails[i])
17271 free(savedDetails[i]);
17272 savedDetails[i] = NULL;
17274 for(i=framePtr; i<MAX_MOVES; i++) {
17275 if(commentList[i]) free(commentList[i]);
17276 commentList[i] = NULL;
17278 framePtr = MAX_MOVES-1;
17283 LoadVariation (int index, char *text)
17284 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17285 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17286 int level = 0, move;
17288 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17289 // first find outermost bracketing variation
17290 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17291 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17292 if(*p == '{') wait = '}'; else
17293 if(*p == '[') wait = ']'; else
17294 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17295 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17297 if(*p == wait) wait = NULLCHAR; // closing ]} found
17300 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17301 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17302 end[1] = NULLCHAR; // clip off comment beyond variation
17303 ToNrEvent(currentMove-1);
17304 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17305 // kludge: use ParsePV() to append variation to game
17306 move = currentMove;
17307 ParsePV(start, TRUE, TRUE);
17308 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17309 ClearPremoveHighlights();
17311 ToNrEvent(currentMove+1);