2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void ics_printf P((char *format, ...));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
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 int 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; // [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;
458 Boolean adjustedClock;
459 long timeControl_2; /* [AS] Allow separate time controls */
460 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [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 < forwardMostMove; 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 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
881 FloatToFront(char **list, char *engineLine)
883 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
885 if(appData.recentEngines <= 0) return;
886 TidyProgramName(engineLine, "localhost", tidy+1);
887 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
888 strncpy(buf+1, *list, MSG_SIZ-50);
889 if(p = strstr(buf, tidy)) { // tidy name appears in list
890 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
891 while(*p++ = *++q); // squeeze out
893 strcat(tidy, buf+1); // put list behind tidy name
894 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
895 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
896 ASSIGN(*list, tidy+1);
900 Load (ChessProgramState *cps, int i)
902 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
903 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
904 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
905 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
906 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
907 appData.firstProtocolVersion = PROTOVER;
908 ParseArgsFromString(buf);
910 ReplaceEngine(cps, i);
911 FloatToFront(&appData.recentEngineList, engineLine);
915 while(q = strchr(p, SLASH)) p = q+1;
916 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
917 if(engineDir[0] != NULLCHAR)
918 appData.directory[i] = engineDir;
919 else if(p != engineName) { // derive directory from engine path, when not given
921 appData.directory[i] = strdup(engineName);
923 } else appData.directory[i] = ".";
925 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
926 snprintf(command, MSG_SIZ, "%s %s", p, params);
929 appData.chessProgram[i] = strdup(p);
930 appData.isUCI[i] = isUCI;
931 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
932 appData.hasOwnBookUCI[i] = hasBook;
933 if(!nickName[0]) useNick = FALSE;
934 if(useNick) ASSIGN(appData.pgnName[i], nickName);
938 q = firstChessProgramNames;
939 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
940 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
941 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
942 quote, p, quote, appData.directory[i],
943 useNick ? " -fn \"" : "",
944 useNick ? nickName : "",
946 v1 ? " -firstProtocolVersion 1" : "",
947 hasBook ? "" : " -fNoOwnBookUCI",
948 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
949 storeVariant ? " -variant " : "",
950 storeVariant ? VariantName(gameInfo.variant) : "");
951 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
952 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
954 FloatToFront(&appData.recentEngineList, buf);
956 ReplaceEngine(cps, i);
962 int matched, min, sec;
964 * Parse timeControl resource
966 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
967 appData.movesPerSession)) {
969 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
970 DisplayFatalError(buf, 0, 2);
974 * Parse searchTime resource
976 if (*appData.searchTime != NULLCHAR) {
977 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
979 searchTime = min * 60;
980 } else if (matched == 2) {
981 searchTime = min * 60 + sec;
984 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
985 DisplayFatalError(buf, 0, 2);
994 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
995 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
997 GetTimeMark(&programStartTime);
998 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
999 appData.seedBase = random() + (random()<<15);
1000 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1002 ClearProgramStats();
1003 programStats.ok_to_send = 1;
1004 programStats.seen_stat = 0;
1007 * Initialize game list
1013 * Internet chess server status
1015 if (appData.icsActive) {
1016 appData.matchMode = FALSE;
1017 appData.matchGames = 0;
1019 appData.noChessProgram = !appData.zippyPlay;
1021 appData.zippyPlay = FALSE;
1022 appData.zippyTalk = FALSE;
1023 appData.noChessProgram = TRUE;
1025 if (*appData.icsHelper != NULLCHAR) {
1026 appData.useTelnet = TRUE;
1027 appData.telnetProgram = appData.icsHelper;
1030 appData.zippyTalk = appData.zippyPlay = FALSE;
1033 /* [AS] Initialize pv info list [HGM] and game state */
1037 for( i=0; i<=framePtr; i++ ) {
1038 pvInfoList[i].depth = -1;
1039 boards[i][EP_STATUS] = EP_NONE;
1040 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1046 /* [AS] Adjudication threshold */
1047 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1049 InitEngine(&first, 0);
1050 InitEngine(&second, 1);
1053 pairing.which = "pairing"; // pairing engine
1054 pairing.pr = NoProc;
1056 pairing.program = appData.pairingEngine;
1057 pairing.host = "localhost";
1060 if (appData.icsActive) {
1061 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1062 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1063 appData.clockMode = FALSE;
1064 first.sendTime = second.sendTime = 0;
1068 /* Override some settings from environment variables, for backward
1069 compatibility. Unfortunately it's not feasible to have the env
1070 vars just set defaults, at least in xboard. Ugh.
1072 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1077 if (!appData.icsActive) {
1081 /* Check for variants that are supported only in ICS mode,
1082 or not at all. Some that are accepted here nevertheless
1083 have bugs; see comments below.
1085 VariantClass variant = StringToVariant(appData.variant);
1087 case VariantBughouse: /* need four players and two boards */
1088 case VariantKriegspiel: /* need to hide pieces and move details */
1089 /* case VariantFischeRandom: (Fabien: moved below) */
1090 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1091 if( (len >= MSG_SIZ) && appData.debugMode )
1092 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1094 DisplayFatalError(buf, 0, 2);
1097 case VariantUnknown:
1098 case VariantLoadable:
1108 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1109 if( (len >= MSG_SIZ) && appData.debugMode )
1110 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1112 DisplayFatalError(buf, 0, 2);
1115 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1116 case VariantFairy: /* [HGM] TestLegality definitely off! */
1117 case VariantGothic: /* [HGM] should work */
1118 case VariantCapablanca: /* [HGM] should work */
1119 case VariantCourier: /* [HGM] initial forced moves not implemented */
1120 case VariantShogi: /* [HGM] could still mate with pawn drop */
1121 case VariantKnightmate: /* [HGM] should work */
1122 case VariantCylinder: /* [HGM] untested */
1123 case VariantFalcon: /* [HGM] untested */
1124 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1125 offboard interposition not understood */
1126 case VariantNormal: /* definitely works! */
1127 case VariantWildCastle: /* pieces not automatically shuffled */
1128 case VariantNoCastle: /* pieces not automatically shuffled */
1129 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1130 case VariantLosers: /* should work except for win condition,
1131 and doesn't know captures are mandatory */
1132 case VariantSuicide: /* should work except for win condition,
1133 and doesn't know captures are mandatory */
1134 case VariantGiveaway: /* should work except for win condition,
1135 and doesn't know captures are mandatory */
1136 case VariantTwoKings: /* should work */
1137 case VariantAtomic: /* should work except for win condition */
1138 case Variant3Check: /* should work except for win condition */
1139 case VariantShatranj: /* should work except for all win conditions */
1140 case VariantMakruk: /* should work except for draw countdown */
1141 case VariantBerolina: /* might work if TestLegality is off */
1142 case VariantCapaRandom: /* should work */
1143 case VariantJanus: /* should work */
1144 case VariantSuper: /* experimental */
1145 case VariantGreat: /* experimental, requires legality testing to be off */
1146 case VariantSChess: /* S-Chess, should work */
1147 case VariantGrand: /* should work */
1148 case VariantSpartan: /* should work */
1156 NextIntegerFromString (char ** str, long * value)
1161 while( *s == ' ' || *s == '\t' ) {
1167 if( *s >= '0' && *s <= '9' ) {
1168 while( *s >= '0' && *s <= '9' ) {
1169 *value = *value * 10 + (*s - '0');
1182 NextTimeControlFromString (char ** str, long * value)
1185 int result = NextIntegerFromString( str, &temp );
1188 *value = temp * 60; /* Minutes */
1189 if( **str == ':' ) {
1191 result = NextIntegerFromString( str, &temp );
1192 *value += temp; /* Seconds */
1200 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1201 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1202 int result = -1, type = 0; long temp, temp2;
1204 if(**str != ':') return -1; // old params remain in force!
1206 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1207 if( NextIntegerFromString( str, &temp ) ) return -1;
1208 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1211 /* time only: incremental or sudden-death time control */
1212 if(**str == '+') { /* increment follows; read it */
1214 if(**str == '!') type = *(*str)++; // Bronstein TC
1215 if(result = NextIntegerFromString( str, &temp2)) return -1;
1216 *inc = temp2 * 1000;
1217 if(**str == '.') { // read fraction of increment
1218 char *start = ++(*str);
1219 if(result = NextIntegerFromString( str, &temp2)) return -1;
1221 while(start++ < *str) temp2 /= 10;
1225 *moves = 0; *tc = temp * 1000; *incType = type;
1229 (*str)++; /* classical time control */
1230 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1242 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1243 { /* [HGM] get time to add from the multi-session time-control string */
1244 int incType, moves=1; /* kludge to force reading of first session */
1245 long time, increment;
1248 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1250 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1251 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1252 if(movenr == -1) return time; /* last move before new session */
1253 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1254 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1255 if(!moves) return increment; /* current session is incremental */
1256 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1257 } while(movenr >= -1); /* try again for next session */
1259 return 0; // no new time quota on this move
1263 ParseTimeControl (char *tc, float ti, int mps)
1267 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1270 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1271 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1272 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1276 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1278 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1281 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1283 snprintf(buf, MSG_SIZ, ":%s", mytc);
1285 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1287 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1292 /* Parse second time control */
1295 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1303 timeControl_2 = tc2 * 1000;
1313 timeControl = tc1 * 1000;
1316 timeIncrement = ti * 1000; /* convert to ms */
1317 movesPerSession = 0;
1320 movesPerSession = mps;
1328 if (appData.debugMode) {
1329 fprintf(debugFP, "%s\n", programVersion);
1331 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1333 set_cont_sequence(appData.wrapContSeq);
1334 if (appData.matchGames > 0) {
1335 appData.matchMode = TRUE;
1336 } else if (appData.matchMode) {
1337 appData.matchGames = 1;
1339 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1340 appData.matchGames = appData.sameColorGames;
1341 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1342 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1343 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1346 if (appData.noChessProgram || first.protocolVersion == 1) {
1349 /* kludge: allow timeout for initial "feature" commands */
1351 DisplayMessage("", _("Starting chess program"));
1352 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1357 CalculateIndex (int index, int gameNr)
1358 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1360 if(index > 0) return index; // fixed nmber
1361 if(index == 0) return 1;
1362 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1363 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1368 LoadGameOrPosition (int gameNr)
1369 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1370 if (*appData.loadGameFile != NULLCHAR) {
1371 if (!LoadGameFromFile(appData.loadGameFile,
1372 CalculateIndex(appData.loadGameIndex, gameNr),
1373 appData.loadGameFile, FALSE)) {
1374 DisplayFatalError(_("Bad game file"), 0, 1);
1377 } else if (*appData.loadPositionFile != NULLCHAR) {
1378 if (!LoadPositionFromFile(appData.loadPositionFile,
1379 CalculateIndex(appData.loadPositionIndex, gameNr),
1380 appData.loadPositionFile)) {
1381 DisplayFatalError(_("Bad position file"), 0, 1);
1389 ReserveGame (int gameNr, char resChar)
1391 FILE *tf = fopen(appData.tourneyFile, "r+");
1392 char *p, *q, c, buf[MSG_SIZ];
1393 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1394 safeStrCpy(buf, lastMsg, MSG_SIZ);
1395 DisplayMessage(_("Pick new game"), "");
1396 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1397 ParseArgsFromFile(tf);
1398 p = q = appData.results;
1399 if(appData.debugMode) {
1400 char *r = appData.participants;
1401 fprintf(debugFP, "results = '%s'\n", p);
1402 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1403 fprintf(debugFP, "\n");
1405 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1407 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1408 safeStrCpy(q, p, strlen(p) + 2);
1409 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1410 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1411 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1412 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1415 fseek(tf, -(strlen(p)+4), SEEK_END);
1417 if(c != '"') // depending on DOS or Unix line endings we can be one off
1418 fseek(tf, -(strlen(p)+2), SEEK_END);
1419 else fseek(tf, -(strlen(p)+3), SEEK_END);
1420 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1421 DisplayMessage(buf, "");
1422 free(p); appData.results = q;
1423 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1424 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1425 int round = appData.defaultMatchGames * appData.tourneyType;
1426 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1427 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1428 UnloadEngine(&first); // next game belongs to other pairing;
1429 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1431 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1435 MatchEvent (int mode)
1436 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1438 if(matchMode) { // already in match mode: switch it off
1440 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1443 // if(gameMode != BeginningOfGame) {
1444 // DisplayError(_("You can only start a match from the initial position."), 0);
1448 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1449 /* Set up machine vs. machine match */
1451 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1452 if(appData.tourneyFile[0]) {
1454 if(nextGame > appData.matchGames) {
1456 if(strchr(appData.results, '*') == NULL) {
1458 appData.tourneyCycles++;
1459 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1461 NextTourneyGame(-1, &dummy);
1463 if(nextGame <= appData.matchGames) {
1464 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1466 ScheduleDelayedEvent(NextMatchGame, 10000);
1471 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1472 DisplayError(buf, 0);
1473 appData.tourneyFile[0] = 0;
1477 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1478 DisplayFatalError(_("Can't have a match with no chess programs"),
1483 matchGame = roundNr = 1;
1484 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1488 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1491 InitBackEnd3 P((void))
1493 GameMode initialMode;
1497 InitChessProgram(&first, startedFromSetupPosition);
1499 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1500 free(programVersion);
1501 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1502 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1503 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1506 if (appData.icsActive) {
1508 /* [DM] Make a console window if needed [HGM] merged ifs */
1514 if (*appData.icsCommPort != NULLCHAR)
1515 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1516 appData.icsCommPort);
1518 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1519 appData.icsHost, appData.icsPort);
1521 if( (len >= MSG_SIZ) && appData.debugMode )
1522 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1524 DisplayFatalError(buf, err, 1);
1529 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1531 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1532 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1533 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1534 } else if (appData.noChessProgram) {
1540 if (*appData.cmailGameName != NULLCHAR) {
1542 OpenLoopback(&cmailPR);
1544 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1548 DisplayMessage("", "");
1549 if (StrCaseCmp(appData.initialMode, "") == 0) {
1550 initialMode = BeginningOfGame;
1551 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1552 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1553 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1554 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1557 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1558 initialMode = TwoMachinesPlay;
1559 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1560 initialMode = AnalyzeFile;
1561 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1562 initialMode = AnalyzeMode;
1563 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1564 initialMode = MachinePlaysWhite;
1565 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1566 initialMode = MachinePlaysBlack;
1567 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1568 initialMode = EditGame;
1569 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1570 initialMode = EditPosition;
1571 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1572 initialMode = Training;
1574 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1575 if( (len >= MSG_SIZ) && appData.debugMode )
1576 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1578 DisplayFatalError(buf, 0, 2);
1582 if (appData.matchMode) {
1583 if(appData.tourneyFile[0]) { // start tourney from command line
1585 if(f = fopen(appData.tourneyFile, "r")) {
1586 ParseArgsFromFile(f); // make sure tourney parmeters re known
1588 appData.clockMode = TRUE;
1590 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1593 } else if (*appData.cmailGameName != NULLCHAR) {
1594 /* Set up cmail mode */
1595 ReloadCmailMsgEvent(TRUE);
1597 /* Set up other modes */
1598 if (initialMode == AnalyzeFile) {
1599 if (*appData.loadGameFile == NULLCHAR) {
1600 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1604 if (*appData.loadGameFile != NULLCHAR) {
1605 (void) LoadGameFromFile(appData.loadGameFile,
1606 appData.loadGameIndex,
1607 appData.loadGameFile, TRUE);
1608 } else if (*appData.loadPositionFile != NULLCHAR) {
1609 (void) LoadPositionFromFile(appData.loadPositionFile,
1610 appData.loadPositionIndex,
1611 appData.loadPositionFile);
1612 /* [HGM] try to make self-starting even after FEN load */
1613 /* to allow automatic setup of fairy variants with wtm */
1614 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1615 gameMode = BeginningOfGame;
1616 setboardSpoiledMachineBlack = 1;
1618 /* [HGM] loadPos: make that every new game uses the setup */
1619 /* from file as long as we do not switch variant */
1620 if(!blackPlaysFirst) {
1621 startedFromPositionFile = TRUE;
1622 CopyBoard(filePosition, boards[0]);
1625 if (initialMode == AnalyzeMode) {
1626 if (appData.noChessProgram) {
1627 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1630 if (appData.icsActive) {
1631 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1635 } else if (initialMode == AnalyzeFile) {
1636 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1637 ShowThinkingEvent();
1639 AnalysisPeriodicEvent(1);
1640 } else if (initialMode == MachinePlaysWhite) {
1641 if (appData.noChessProgram) {
1642 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1646 if (appData.icsActive) {
1647 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1651 MachineWhiteEvent();
1652 } else if (initialMode == MachinePlaysBlack) {
1653 if (appData.noChessProgram) {
1654 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1658 if (appData.icsActive) {
1659 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1663 MachineBlackEvent();
1664 } else if (initialMode == TwoMachinesPlay) {
1665 if (appData.noChessProgram) {
1666 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1670 if (appData.icsActive) {
1671 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1676 } else if (initialMode == EditGame) {
1678 } else if (initialMode == EditPosition) {
1679 EditPositionEvent();
1680 } else if (initialMode == Training) {
1681 if (*appData.loadGameFile == NULLCHAR) {
1682 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1691 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1693 DisplayBook(current+1);
1695 MoveHistorySet( movelist, first, last, current, pvInfoList );
1697 EvalGraphSet( first, last, current, pvInfoList );
1699 MakeEngineOutputTitle();
1703 * Establish will establish a contact to a remote host.port.
1704 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1705 * used to talk to the host.
1706 * Returns 0 if okay, error code if not.
1713 if (*appData.icsCommPort != NULLCHAR) {
1714 /* Talk to the host through a serial comm port */
1715 return OpenCommPort(appData.icsCommPort, &icsPR);
1717 } else if (*appData.gateway != NULLCHAR) {
1718 if (*appData.remoteShell == NULLCHAR) {
1719 /* Use the rcmd protocol to run telnet program on a gateway host */
1720 snprintf(buf, sizeof(buf), "%s %s %s",
1721 appData.telnetProgram, appData.icsHost, appData.icsPort);
1722 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1725 /* Use the rsh program to run telnet program on a gateway host */
1726 if (*appData.remoteUser == NULLCHAR) {
1727 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1728 appData.gateway, appData.telnetProgram,
1729 appData.icsHost, appData.icsPort);
1731 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1732 appData.remoteShell, appData.gateway,
1733 appData.remoteUser, appData.telnetProgram,
1734 appData.icsHost, appData.icsPort);
1736 return StartChildProcess(buf, "", &icsPR);
1739 } else if (appData.useTelnet) {
1740 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1743 /* TCP socket interface differs somewhat between
1744 Unix and NT; handle details in the front end.
1746 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1751 EscapeExpand (char *p, char *q)
1752 { // [HGM] initstring: routine to shape up string arguments
1753 while(*p++ = *q++) if(p[-1] == '\\')
1755 case 'n': p[-1] = '\n'; break;
1756 case 'r': p[-1] = '\r'; break;
1757 case 't': p[-1] = '\t'; break;
1758 case '\\': p[-1] = '\\'; break;
1759 case 0: *p = 0; return;
1760 default: p[-1] = q[-1]; break;
1765 show_bytes (FILE *fp, char *buf, int count)
1768 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1769 fprintf(fp, "\\%03o", *buf & 0xff);
1778 /* Returns an errno value */
1780 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1782 char buf[8192], *p, *q, *buflim;
1783 int left, newcount, outcount;
1785 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1786 *appData.gateway != NULLCHAR) {
1787 if (appData.debugMode) {
1788 fprintf(debugFP, ">ICS: ");
1789 show_bytes(debugFP, message, count);
1790 fprintf(debugFP, "\n");
1792 return OutputToProcess(pr, message, count, outError);
1795 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1802 if (appData.debugMode) {
1803 fprintf(debugFP, ">ICS: ");
1804 show_bytes(debugFP, buf, newcount);
1805 fprintf(debugFP, "\n");
1807 outcount = OutputToProcess(pr, buf, newcount, outError);
1808 if (outcount < newcount) return -1; /* to be sure */
1815 } else if (((unsigned char) *p) == TN_IAC) {
1816 *q++ = (char) TN_IAC;
1823 if (appData.debugMode) {
1824 fprintf(debugFP, ">ICS: ");
1825 show_bytes(debugFP, buf, newcount);
1826 fprintf(debugFP, "\n");
1828 outcount = OutputToProcess(pr, buf, newcount, outError);
1829 if (outcount < newcount) return -1; /* to be sure */
1834 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1836 int outError, outCount;
1837 static int gotEof = 0;
1839 /* Pass data read from player on to ICS */
1842 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1843 if (outCount < count) {
1844 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1846 } else if (count < 0) {
1847 RemoveInputSource(isr);
1848 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1849 } else if (gotEof++ > 0) {
1850 RemoveInputSource(isr);
1851 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1857 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1858 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1859 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1860 SendToICS("date\n");
1861 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1864 /* added routine for printf style output to ics */
1866 ics_printf (char *format, ...)
1868 char buffer[MSG_SIZ];
1871 va_start(args, format);
1872 vsnprintf(buffer, sizeof(buffer), format, args);
1873 buffer[sizeof(buffer)-1] = '\0';
1881 int count, outCount, outError;
1883 if (icsPR == NoProc) return;
1886 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1887 if (outCount < count) {
1888 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1892 /* This is used for sending logon scripts to the ICS. Sending
1893 without a delay causes problems when using timestamp on ICC
1894 (at least on my machine). */
1896 SendToICSDelayed (char *s, long msdelay)
1898 int count, outCount, outError;
1900 if (icsPR == NoProc) return;
1903 if (appData.debugMode) {
1904 fprintf(debugFP, ">ICS: ");
1905 show_bytes(debugFP, s, count);
1906 fprintf(debugFP, "\n");
1908 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1910 if (outCount < count) {
1911 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1916 /* Remove all highlighting escape sequences in s
1917 Also deletes any suffix starting with '('
1920 StripHighlightAndTitle (char *s)
1922 static char retbuf[MSG_SIZ];
1925 while (*s != NULLCHAR) {
1926 while (*s == '\033') {
1927 while (*s != NULLCHAR && !isalpha(*s)) s++;
1928 if (*s != NULLCHAR) s++;
1930 while (*s != NULLCHAR && *s != '\033') {
1931 if (*s == '(' || *s == '[') {
1942 /* Remove all highlighting escape sequences in s */
1944 StripHighlight (char *s)
1946 static char retbuf[MSG_SIZ];
1949 while (*s != NULLCHAR) {
1950 while (*s == '\033') {
1951 while (*s != NULLCHAR && !isalpha(*s)) s++;
1952 if (*s != NULLCHAR) s++;
1954 while (*s != NULLCHAR && *s != '\033') {
1962 char *variantNames[] = VARIANT_NAMES;
1964 VariantName (VariantClass v)
1966 return variantNames[v];
1970 /* Identify a variant from the strings the chess servers use or the
1971 PGN Variant tag names we use. */
1973 StringToVariant (char *e)
1977 VariantClass v = VariantNormal;
1978 int i, found = FALSE;
1984 /* [HGM] skip over optional board-size prefixes */
1985 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1986 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1987 while( *e++ != '_');
1990 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1994 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1995 if (StrCaseStr(e, variantNames[i])) {
1996 v = (VariantClass) i;
2003 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2004 || StrCaseStr(e, "wild/fr")
2005 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2006 v = VariantFischeRandom;
2007 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2008 (i = 1, p = StrCaseStr(e, "w"))) {
2010 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2017 case 0: /* FICS only, actually */
2019 /* Castling legal even if K starts on d-file */
2020 v = VariantWildCastle;
2025 /* Castling illegal even if K & R happen to start in
2026 normal positions. */
2027 v = VariantNoCastle;
2040 /* Castling legal iff K & R start in normal positions */
2046 /* Special wilds for position setup; unclear what to do here */
2047 v = VariantLoadable;
2050 /* Bizarre ICC game */
2051 v = VariantTwoKings;
2054 v = VariantKriegspiel;
2060 v = VariantFischeRandom;
2063 v = VariantCrazyhouse;
2066 v = VariantBughouse;
2072 /* Not quite the same as FICS suicide! */
2073 v = VariantGiveaway;
2079 v = VariantShatranj;
2082 /* Temporary names for future ICC types. The name *will* change in
2083 the next xboard/WinBoard release after ICC defines it. */
2121 v = VariantCapablanca;
2124 v = VariantKnightmate;
2130 v = VariantCylinder;
2136 v = VariantCapaRandom;
2139 v = VariantBerolina;
2151 /* Found "wild" or "w" in the string but no number;
2152 must assume it's normal chess. */
2156 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2157 if( (len >= MSG_SIZ) && appData.debugMode )
2158 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2160 DisplayError(buf, 0);
2166 if (appData.debugMode) {
2167 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2168 e, wnum, VariantName(v));
2173 static int leftover_start = 0, leftover_len = 0;
2174 char star_match[STAR_MATCH_N][MSG_SIZ];
2176 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2177 advance *index beyond it, and set leftover_start to the new value of
2178 *index; else return FALSE. If pattern contains the character '*', it
2179 matches any sequence of characters not containing '\r', '\n', or the
2180 character following the '*' (if any), and the matched sequence(s) are
2181 copied into star_match.
2184 looking_at ( char *buf, int *index, char *pattern)
2186 char *bufp = &buf[*index], *patternp = pattern;
2188 char *matchp = star_match[0];
2191 if (*patternp == NULLCHAR) {
2192 *index = leftover_start = bufp - buf;
2196 if (*bufp == NULLCHAR) return FALSE;
2197 if (*patternp == '*') {
2198 if (*bufp == *(patternp + 1)) {
2200 matchp = star_match[++star_count];
2204 } else if (*bufp == '\n' || *bufp == '\r') {
2206 if (*patternp == NULLCHAR)
2211 *matchp++ = *bufp++;
2215 if (*patternp != *bufp) return FALSE;
2222 SendToPlayer (char *data, int length)
2224 int error, outCount;
2225 outCount = OutputToProcess(NoProc, data, length, &error);
2226 if (outCount < length) {
2227 DisplayFatalError(_("Error writing to display"), error, 1);
2232 PackHolding (char packed[], char *holding)
2242 switch (runlength) {
2253 sprintf(q, "%d", runlength);
2265 /* Telnet protocol requests from the front end */
2267 TelnetRequest (unsigned char ddww, unsigned char option)
2269 unsigned char msg[3];
2270 int outCount, outError;
2272 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2274 if (appData.debugMode) {
2275 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2291 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2300 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2303 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2308 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2310 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2317 if (!appData.icsActive) return;
2318 TelnetRequest(TN_DO, TN_ECHO);
2324 if (!appData.icsActive) return;
2325 TelnetRequest(TN_DONT, TN_ECHO);
2329 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2331 /* put the holdings sent to us by the server on the board holdings area */
2332 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2336 if(gameInfo.holdingsWidth < 2) return;
2337 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2338 return; // prevent overwriting by pre-board holdings
2340 if( (int)lowestPiece >= BlackPawn ) {
2343 holdingsStartRow = BOARD_HEIGHT-1;
2346 holdingsColumn = BOARD_WIDTH-1;
2347 countsColumn = BOARD_WIDTH-2;
2348 holdingsStartRow = 0;
2352 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2353 board[i][holdingsColumn] = EmptySquare;
2354 board[i][countsColumn] = (ChessSquare) 0;
2356 while( (p=*holdings++) != NULLCHAR ) {
2357 piece = CharToPiece( ToUpper(p) );
2358 if(piece == EmptySquare) continue;
2359 /*j = (int) piece - (int) WhitePawn;*/
2360 j = PieceToNumber(piece);
2361 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2362 if(j < 0) continue; /* should not happen */
2363 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2364 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2365 board[holdingsStartRow+j*direction][countsColumn]++;
2371 VariantSwitch (Board board, VariantClass newVariant)
2373 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2374 static Board oldBoard;
2376 startedFromPositionFile = FALSE;
2377 if(gameInfo.variant == newVariant) return;
2379 /* [HGM] This routine is called each time an assignment is made to
2380 * gameInfo.variant during a game, to make sure the board sizes
2381 * are set to match the new variant. If that means adding or deleting
2382 * holdings, we shift the playing board accordingly
2383 * This kludge is needed because in ICS observe mode, we get boards
2384 * of an ongoing game without knowing the variant, and learn about the
2385 * latter only later. This can be because of the move list we requested,
2386 * in which case the game history is refilled from the beginning anyway,
2387 * but also when receiving holdings of a crazyhouse game. In the latter
2388 * case we want to add those holdings to the already received position.
2392 if (appData.debugMode) {
2393 fprintf(debugFP, "Switch board from %s to %s\n",
2394 VariantName(gameInfo.variant), VariantName(newVariant));
2395 setbuf(debugFP, NULL);
2397 shuffleOpenings = 0; /* [HGM] shuffle */
2398 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2402 newWidth = 9; newHeight = 9;
2403 gameInfo.holdingsSize = 7;
2404 case VariantBughouse:
2405 case VariantCrazyhouse:
2406 newHoldingsWidth = 2; break;
2410 newHoldingsWidth = 2;
2411 gameInfo.holdingsSize = 8;
2414 case VariantCapablanca:
2415 case VariantCapaRandom:
2418 newHoldingsWidth = gameInfo.holdingsSize = 0;
2421 if(newWidth != gameInfo.boardWidth ||
2422 newHeight != gameInfo.boardHeight ||
2423 newHoldingsWidth != gameInfo.holdingsWidth ) {
2425 /* shift position to new playing area, if needed */
2426 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2427 for(i=0; i<BOARD_HEIGHT; i++)
2428 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2429 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2431 for(i=0; i<newHeight; i++) {
2432 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2433 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2435 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2436 for(i=0; i<BOARD_HEIGHT; i++)
2437 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2438 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2441 gameInfo.boardWidth = newWidth;
2442 gameInfo.boardHeight = newHeight;
2443 gameInfo.holdingsWidth = newHoldingsWidth;
2444 gameInfo.variant = newVariant;
2445 InitDrawingSizes(-2, 0);
2446 } else gameInfo.variant = newVariant;
2447 CopyBoard(oldBoard, board); // remember correctly formatted board
2448 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2449 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2452 static int loggedOn = FALSE;
2454 /*-- Game start info cache: --*/
2456 char gs_kind[MSG_SIZ];
2457 static char player1Name[128] = "";
2458 static char player2Name[128] = "";
2459 static char cont_seq[] = "\n\\ ";
2460 static int player1Rating = -1;
2461 static int player2Rating = -1;
2462 /*----------------------------*/
2464 ColorClass curColor = ColorNormal;
2465 int suppressKibitz = 0;
2468 Boolean soughtPending = FALSE;
2469 Boolean seekGraphUp;
2470 #define MAX_SEEK_ADS 200
2472 char *seekAdList[MAX_SEEK_ADS];
2473 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2474 float tcList[MAX_SEEK_ADS];
2475 char colorList[MAX_SEEK_ADS];
2476 int nrOfSeekAds = 0;
2477 int minRating = 1010, maxRating = 2800;
2478 int hMargin = 10, vMargin = 20, h, w;
2479 extern int squareSize, lineGap;
2484 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2485 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2486 if(r < minRating+100 && r >=0 ) r = minRating+100;
2487 if(r > maxRating) r = maxRating;
2488 if(tc < 1.) tc = 1.;
2489 if(tc > 95.) tc = 95.;
2490 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2491 y = ((double)r - minRating)/(maxRating - minRating)
2492 * (h-vMargin-squareSize/8-1) + vMargin;
2493 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2494 if(strstr(seekAdList[i], " u ")) color = 1;
2495 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2496 !strstr(seekAdList[i], "bullet") &&
2497 !strstr(seekAdList[i], "blitz") &&
2498 !strstr(seekAdList[i], "standard") ) color = 2;
2499 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2500 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2504 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2506 char buf[MSG_SIZ], *ext = "";
2507 VariantClass v = StringToVariant(type);
2508 if(strstr(type, "wild")) {
2509 ext = type + 4; // append wild number
2510 if(v == VariantFischeRandom) type = "chess960"; else
2511 if(v == VariantLoadable) type = "setup"; else
2512 type = VariantName(v);
2514 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2515 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2516 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2517 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2518 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2519 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2520 seekNrList[nrOfSeekAds] = nr;
2521 zList[nrOfSeekAds] = 0;
2522 seekAdList[nrOfSeekAds++] = StrSave(buf);
2523 if(plot) PlotSeekAd(nrOfSeekAds-1);
2528 EraseSeekDot (int i)
2530 int x = xList[i], y = yList[i], d=squareSize/4, k;
2531 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2532 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2533 // now replot every dot that overlapped
2534 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2535 int xx = xList[k], yy = yList[k];
2536 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2537 DrawSeekDot(xx, yy, colorList[k]);
2542 RemoveSeekAd (int nr)
2545 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2547 if(seekAdList[i]) free(seekAdList[i]);
2548 seekAdList[i] = seekAdList[--nrOfSeekAds];
2549 seekNrList[i] = seekNrList[nrOfSeekAds];
2550 ratingList[i] = ratingList[nrOfSeekAds];
2551 colorList[i] = colorList[nrOfSeekAds];
2552 tcList[i] = tcList[nrOfSeekAds];
2553 xList[i] = xList[nrOfSeekAds];
2554 yList[i] = yList[nrOfSeekAds];
2555 zList[i] = zList[nrOfSeekAds];
2556 seekAdList[nrOfSeekAds] = NULL;
2562 MatchSoughtLine (char *line)
2564 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2565 int nr, base, inc, u=0; char dummy;
2567 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2568 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2570 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2571 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2572 // match: compact and save the line
2573 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2583 if(!seekGraphUp) return FALSE;
2584 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2585 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2587 DrawSeekBackground(0, 0, w, h);
2588 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2589 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2590 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2591 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2593 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2596 snprintf(buf, MSG_SIZ, "%d", i);
2597 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2600 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2601 for(i=1; i<100; i+=(i<10?1:5)) {
2602 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2603 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2604 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2606 snprintf(buf, MSG_SIZ, "%d", i);
2607 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2610 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2615 SeekGraphClick (ClickType click, int x, int y, int moving)
2617 static int lastDown = 0, displayed = 0, lastSecond;
2618 if(y < 0) return FALSE;
2619 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2620 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2621 if(!seekGraphUp) return FALSE;
2622 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2623 DrawPosition(TRUE, NULL);
2626 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2627 if(click == Release || moving) return FALSE;
2629 soughtPending = TRUE;
2630 SendToICS(ics_prefix);
2631 SendToICS("sought\n"); // should this be "sought all"?
2632 } else { // issue challenge based on clicked ad
2633 int dist = 10000; int i, closest = 0, second = 0;
2634 for(i=0; i<nrOfSeekAds; i++) {
2635 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2636 if(d < dist) { dist = d; closest = i; }
2637 second += (d - zList[i] < 120); // count in-range ads
2638 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2642 second = (second > 1);
2643 if(displayed != closest || second != lastSecond) {
2644 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2645 lastSecond = second; displayed = closest;
2647 if(click == Press) {
2648 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2651 } // on press 'hit', only show info
2652 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2653 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2654 SendToICS(ics_prefix);
2656 return TRUE; // let incoming board of started game pop down the graph
2657 } else if(click == Release) { // release 'miss' is ignored
2658 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2659 if(moving == 2) { // right up-click
2660 nrOfSeekAds = 0; // refresh graph
2661 soughtPending = TRUE;
2662 SendToICS(ics_prefix);
2663 SendToICS("sought\n"); // should this be "sought all"?
2666 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2667 // press miss or release hit 'pop down' seek graph
2668 seekGraphUp = FALSE;
2669 DrawPosition(TRUE, NULL);
2675 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2677 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2678 #define STARTED_NONE 0
2679 #define STARTED_MOVES 1
2680 #define STARTED_BOARD 2
2681 #define STARTED_OBSERVE 3
2682 #define STARTED_HOLDINGS 4
2683 #define STARTED_CHATTER 5
2684 #define STARTED_COMMENT 6
2685 #define STARTED_MOVES_NOHIDE 7
2687 static int started = STARTED_NONE;
2688 static char parse[20000];
2689 static int parse_pos = 0;
2690 static char buf[BUF_SIZE + 1];
2691 static int firstTime = TRUE, intfSet = FALSE;
2692 static ColorClass prevColor = ColorNormal;
2693 static int savingComment = FALSE;
2694 static int cmatch = 0; // continuation sequence match
2701 int backup; /* [DM] For zippy color lines */
2703 char talker[MSG_SIZ]; // [HGM] chat
2706 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2708 if (appData.debugMode) {
2710 fprintf(debugFP, "<ICS: ");
2711 show_bytes(debugFP, data, count);
2712 fprintf(debugFP, "\n");
2716 if (appData.debugMode) { int f = forwardMostMove;
2717 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2718 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2719 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2722 /* If last read ended with a partial line that we couldn't parse,
2723 prepend it to the new read and try again. */
2724 if (leftover_len > 0) {
2725 for (i=0; i<leftover_len; i++)
2726 buf[i] = buf[leftover_start + i];
2729 /* copy new characters into the buffer */
2730 bp = buf + leftover_len;
2731 buf_len=leftover_len;
2732 for (i=0; i<count; i++)
2735 if (data[i] == '\r')
2738 // join lines split by ICS?
2739 if (!appData.noJoin)
2742 Joining just consists of finding matches against the
2743 continuation sequence, and discarding that sequence
2744 if found instead of copying it. So, until a match
2745 fails, there's nothing to do since it might be the
2746 complete sequence, and thus, something we don't want
2749 if (data[i] == cont_seq[cmatch])
2752 if (cmatch == strlen(cont_seq))
2754 cmatch = 0; // complete match. just reset the counter
2757 it's possible for the ICS to not include the space
2758 at the end of the last word, making our [correct]
2759 join operation fuse two separate words. the server
2760 does this when the space occurs at the width setting.
2762 if (!buf_len || buf[buf_len-1] != ' ')
2773 match failed, so we have to copy what matched before
2774 falling through and copying this character. In reality,
2775 this will only ever be just the newline character, but
2776 it doesn't hurt to be precise.
2778 strncpy(bp, cont_seq, cmatch);
2790 buf[buf_len] = NULLCHAR;
2791 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2796 while (i < buf_len) {
2797 /* Deal with part of the TELNET option negotiation
2798 protocol. We refuse to do anything beyond the
2799 defaults, except that we allow the WILL ECHO option,
2800 which ICS uses to turn off password echoing when we are
2801 directly connected to it. We reject this option
2802 if localLineEditing mode is on (always on in xboard)
2803 and we are talking to port 23, which might be a real
2804 telnet server that will try to keep WILL ECHO on permanently.
2806 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2807 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2808 unsigned char option;
2810 switch ((unsigned char) buf[++i]) {
2812 if (appData.debugMode)
2813 fprintf(debugFP, "\n<WILL ");
2814 switch (option = (unsigned char) buf[++i]) {
2816 if (appData.debugMode)
2817 fprintf(debugFP, "ECHO ");
2818 /* Reply only if this is a change, according
2819 to the protocol rules. */
2820 if (remoteEchoOption) break;
2821 if (appData.localLineEditing &&
2822 atoi(appData.icsPort) == TN_PORT) {
2823 TelnetRequest(TN_DONT, TN_ECHO);
2826 TelnetRequest(TN_DO, TN_ECHO);
2827 remoteEchoOption = TRUE;
2831 if (appData.debugMode)
2832 fprintf(debugFP, "%d ", option);
2833 /* Whatever this is, we don't want it. */
2834 TelnetRequest(TN_DONT, option);
2839 if (appData.debugMode)
2840 fprintf(debugFP, "\n<WONT ");
2841 switch (option = (unsigned char) buf[++i]) {
2843 if (appData.debugMode)
2844 fprintf(debugFP, "ECHO ");
2845 /* Reply only if this is a change, according
2846 to the protocol rules. */
2847 if (!remoteEchoOption) break;
2849 TelnetRequest(TN_DONT, TN_ECHO);
2850 remoteEchoOption = FALSE;
2853 if (appData.debugMode)
2854 fprintf(debugFP, "%d ", (unsigned char) option);
2855 /* Whatever this is, it must already be turned
2856 off, because we never agree to turn on
2857 anything non-default, so according to the
2858 protocol rules, we don't reply. */
2863 if (appData.debugMode)
2864 fprintf(debugFP, "\n<DO ");
2865 switch (option = (unsigned char) buf[++i]) {
2867 /* Whatever this is, we refuse to do it. */
2868 if (appData.debugMode)
2869 fprintf(debugFP, "%d ", option);
2870 TelnetRequest(TN_WONT, option);
2875 if (appData.debugMode)
2876 fprintf(debugFP, "\n<DONT ");
2877 switch (option = (unsigned char) buf[++i]) {
2879 if (appData.debugMode)
2880 fprintf(debugFP, "%d ", option);
2881 /* Whatever this is, we are already not doing
2882 it, because we never agree to do anything
2883 non-default, so according to the protocol
2884 rules, we don't reply. */
2889 if (appData.debugMode)
2890 fprintf(debugFP, "\n<IAC ");
2891 /* Doubled IAC; pass it through */
2895 if (appData.debugMode)
2896 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2897 /* Drop all other telnet commands on the floor */
2900 if (oldi > next_out)
2901 SendToPlayer(&buf[next_out], oldi - next_out);
2907 /* OK, this at least will *usually* work */
2908 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2912 if (loggedOn && !intfSet) {
2913 if (ics_type == ICS_ICC) {
2914 snprintf(str, MSG_SIZ,
2915 "/set-quietly interface %s\n/set-quietly style 12\n",
2917 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2918 strcat(str, "/set-2 51 1\n/set seek 1\n");
2919 } else if (ics_type == ICS_CHESSNET) {
2920 snprintf(str, MSG_SIZ, "/style 12\n");
2922 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2923 strcat(str, programVersion);
2924 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2925 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2926 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2928 strcat(str, "$iset nohighlight 1\n");
2930 strcat(str, "$iset lock 1\n$style 12\n");
2933 NotifyFrontendLogin();
2937 if (started == STARTED_COMMENT) {
2938 /* Accumulate characters in comment */
2939 parse[parse_pos++] = buf[i];
2940 if (buf[i] == '\n') {
2941 parse[parse_pos] = NULLCHAR;
2942 if(chattingPartner>=0) {
2944 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2945 OutputChatMessage(chattingPartner, mess);
2946 chattingPartner = -1;
2947 next_out = i+1; // [HGM] suppress printing in ICS window
2949 if(!suppressKibitz) // [HGM] kibitz
2950 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2951 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2952 int nrDigit = 0, nrAlph = 0, j;
2953 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2954 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2955 parse[parse_pos] = NULLCHAR;
2956 // try to be smart: if it does not look like search info, it should go to
2957 // ICS interaction window after all, not to engine-output window.
2958 for(j=0; j<parse_pos; j++) { // count letters and digits
2959 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2960 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2961 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2963 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2964 int depth=0; float score;
2965 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2966 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2967 pvInfoList[forwardMostMove-1].depth = depth;
2968 pvInfoList[forwardMostMove-1].score = 100*score;
2970 OutputKibitz(suppressKibitz, parse);
2973 if(gameMode == IcsObserving) // restore original ICS messages
2974 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2976 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2977 SendToPlayer(tmp, strlen(tmp));
2979 next_out = i+1; // [HGM] suppress printing in ICS window
2981 started = STARTED_NONE;
2983 /* Don't match patterns against characters in comment */
2988 if (started == STARTED_CHATTER) {
2989 if (buf[i] != '\n') {
2990 /* Don't match patterns against characters in chatter */
2994 started = STARTED_NONE;
2995 if(suppressKibitz) next_out = i+1;
2998 /* Kludge to deal with rcmd protocol */
2999 if (firstTime && looking_at(buf, &i, "\001*")) {
3000 DisplayFatalError(&buf[1], 0, 1);
3006 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3009 if (appData.debugMode)
3010 fprintf(debugFP, "ics_type %d\n", ics_type);
3013 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3014 ics_type = ICS_FICS;
3016 if (appData.debugMode)
3017 fprintf(debugFP, "ics_type %d\n", ics_type);
3020 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3021 ics_type = ICS_CHESSNET;
3023 if (appData.debugMode)
3024 fprintf(debugFP, "ics_type %d\n", ics_type);
3029 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3030 looking_at(buf, &i, "Logging you in as \"*\"") ||
3031 looking_at(buf, &i, "will be \"*\""))) {
3032 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3036 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3038 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3039 DisplayIcsInteractionTitle(buf);
3040 have_set_title = TRUE;
3043 /* skip finger notes */
3044 if (started == STARTED_NONE &&
3045 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3046 (buf[i] == '1' && buf[i+1] == '0')) &&
3047 buf[i+2] == ':' && buf[i+3] == ' ') {
3048 started = STARTED_CHATTER;
3054 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3055 if(appData.seekGraph) {
3056 if(soughtPending && MatchSoughtLine(buf+i)) {
3057 i = strstr(buf+i, "rated") - buf;
3058 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3059 next_out = leftover_start = i;
3060 started = STARTED_CHATTER;
3061 suppressKibitz = TRUE;
3064 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3065 && looking_at(buf, &i, "* ads displayed")) {
3066 soughtPending = FALSE;
3071 if(appData.autoRefresh) {
3072 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3073 int s = (ics_type == ICS_ICC); // ICC format differs
3075 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3076 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3077 looking_at(buf, &i, "*% "); // eat prompt
3078 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3079 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3080 next_out = i; // suppress
3083 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3084 char *p = star_match[0];
3086 if(seekGraphUp) RemoveSeekAd(atoi(p));
3087 while(*p && *p++ != ' '); // next
3089 looking_at(buf, &i, "*% "); // eat prompt
3090 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3097 /* skip formula vars */
3098 if (started == STARTED_NONE &&
3099 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3100 started = STARTED_CHATTER;
3105 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3106 if (appData.autoKibitz && started == STARTED_NONE &&
3107 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3108 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3109 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3110 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3111 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3112 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3113 suppressKibitz = TRUE;
3114 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3116 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3117 && (gameMode == IcsPlayingWhite)) ||
3118 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3119 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3120 started = STARTED_CHATTER; // own kibitz we simply discard
3122 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3123 parse_pos = 0; parse[0] = NULLCHAR;
3124 savingComment = TRUE;
3125 suppressKibitz = gameMode != IcsObserving ? 2 :
3126 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3130 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3131 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3132 && atoi(star_match[0])) {
3133 // suppress the acknowledgements of our own autoKibitz
3135 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3136 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3137 SendToPlayer(star_match[0], strlen(star_match[0]));
3138 if(looking_at(buf, &i, "*% ")) // eat prompt
3139 suppressKibitz = FALSE;
3143 } // [HGM] kibitz: end of patch
3145 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3147 // [HGM] chat: intercept tells by users for which we have an open chat window
3149 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3150 looking_at(buf, &i, "* whispers:") ||
3151 looking_at(buf, &i, "* kibitzes:") ||
3152 looking_at(buf, &i, "* shouts:") ||
3153 looking_at(buf, &i, "* c-shouts:") ||
3154 looking_at(buf, &i, "--> * ") ||
3155 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3156 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3157 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3158 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3160 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3161 chattingPartner = -1;
3163 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3164 for(p=0; p<MAX_CHAT; p++) {
3165 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3166 talker[0] = '['; strcat(talker, "] ");
3167 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3168 chattingPartner = p; break;
3171 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3172 for(p=0; p<MAX_CHAT; p++) {
3173 if(!strcmp("kibitzes", chatPartner[p])) {
3174 talker[0] = '['; strcat(talker, "] ");
3175 chattingPartner = p; break;
3178 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3179 for(p=0; p<MAX_CHAT; p++) {
3180 if(!strcmp("whispers", chatPartner[p])) {
3181 talker[0] = '['; strcat(talker, "] ");
3182 chattingPartner = p; break;
3185 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3186 if(buf[i-8] == '-' && buf[i-3] == 't')
3187 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3188 if(!strcmp("c-shouts", chatPartner[p])) {
3189 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3190 chattingPartner = p; break;
3193 if(chattingPartner < 0)
3194 for(p=0; p<MAX_CHAT; p++) {
3195 if(!strcmp("shouts", chatPartner[p])) {
3196 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3197 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3198 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3199 chattingPartner = p; break;
3203 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3204 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3205 talker[0] = 0; Colorize(ColorTell, FALSE);
3206 chattingPartner = p; break;
3208 if(chattingPartner<0) i = oldi; else {
3209 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3210 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3211 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3212 started = STARTED_COMMENT;
3213 parse_pos = 0; parse[0] = NULLCHAR;
3214 savingComment = 3 + chattingPartner; // counts as TRUE
3215 suppressKibitz = TRUE;
3218 } // [HGM] chat: end of patch
3221 if (appData.zippyTalk || appData.zippyPlay) {
3222 /* [DM] Backup address for color zippy lines */
3224 if (loggedOn == TRUE)
3225 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3226 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3228 } // [DM] 'else { ' deleted
3230 /* Regular tells and says */
3231 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3232 looking_at(buf, &i, "* (your partner) tells you: ") ||
3233 looking_at(buf, &i, "* says: ") ||
3234 /* Don't color "message" or "messages" output */
3235 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3236 looking_at(buf, &i, "*. * at *:*: ") ||
3237 looking_at(buf, &i, "--* (*:*): ") ||
3238 /* Message notifications (same color as tells) */
3239 looking_at(buf, &i, "* has left a message ") ||
3240 looking_at(buf, &i, "* just sent you a message:\n") ||
3241 /* Whispers and kibitzes */
3242 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3243 looking_at(buf, &i, "* kibitzes: ") ||
3245 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3247 if (tkind == 1 && strchr(star_match[0], ':')) {
3248 /* Avoid "tells you:" spoofs in channels */
3251 if (star_match[0][0] == NULLCHAR ||
3252 strchr(star_match[0], ' ') ||
3253 (tkind == 3 && strchr(star_match[1], ' '))) {
3254 /* Reject bogus matches */
3257 if (appData.colorize) {
3258 if (oldi > next_out) {
3259 SendToPlayer(&buf[next_out], oldi - next_out);
3264 Colorize(ColorTell, FALSE);
3265 curColor = ColorTell;
3268 Colorize(ColorKibitz, FALSE);
3269 curColor = ColorKibitz;
3272 p = strrchr(star_match[1], '(');
3279 Colorize(ColorChannel1, FALSE);
3280 curColor = ColorChannel1;
3282 Colorize(ColorChannel, FALSE);
3283 curColor = ColorChannel;
3287 curColor = ColorNormal;
3291 if (started == STARTED_NONE && appData.autoComment &&
3292 (gameMode == IcsObserving ||
3293 gameMode == IcsPlayingWhite ||
3294 gameMode == IcsPlayingBlack)) {
3295 parse_pos = i - oldi;
3296 memcpy(parse, &buf[oldi], parse_pos);
3297 parse[parse_pos] = NULLCHAR;
3298 started = STARTED_COMMENT;
3299 savingComment = TRUE;
3301 started = STARTED_CHATTER;
3302 savingComment = FALSE;
3309 if (looking_at(buf, &i, "* s-shouts: ") ||
3310 looking_at(buf, &i, "* c-shouts: ")) {
3311 if (appData.colorize) {
3312 if (oldi > next_out) {
3313 SendToPlayer(&buf[next_out], oldi - next_out);
3316 Colorize(ColorSShout, FALSE);
3317 curColor = ColorSShout;
3320 started = STARTED_CHATTER;
3324 if (looking_at(buf, &i, "--->")) {
3329 if (looking_at(buf, &i, "* shouts: ") ||
3330 looking_at(buf, &i, "--> ")) {
3331 if (appData.colorize) {
3332 if (oldi > next_out) {
3333 SendToPlayer(&buf[next_out], oldi - next_out);
3336 Colorize(ColorShout, FALSE);
3337 curColor = ColorShout;
3340 started = STARTED_CHATTER;
3344 if (looking_at( buf, &i, "Challenge:")) {
3345 if (appData.colorize) {
3346 if (oldi > next_out) {
3347 SendToPlayer(&buf[next_out], oldi - next_out);
3350 Colorize(ColorChallenge, FALSE);
3351 curColor = ColorChallenge;
3357 if (looking_at(buf, &i, "* offers you") ||
3358 looking_at(buf, &i, "* offers to be") ||
3359 looking_at(buf, &i, "* would like to") ||
3360 looking_at(buf, &i, "* requests to") ||
3361 looking_at(buf, &i, "Your opponent offers") ||
3362 looking_at(buf, &i, "Your opponent requests")) {
3364 if (appData.colorize) {
3365 if (oldi > next_out) {
3366 SendToPlayer(&buf[next_out], oldi - next_out);
3369 Colorize(ColorRequest, FALSE);
3370 curColor = ColorRequest;
3375 if (looking_at(buf, &i, "* (*) seeking")) {
3376 if (appData.colorize) {
3377 if (oldi > next_out) {
3378 SendToPlayer(&buf[next_out], oldi - next_out);
3381 Colorize(ColorSeek, FALSE);
3382 curColor = ColorSeek;
3387 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3389 if (looking_at(buf, &i, "\\ ")) {
3390 if (prevColor != ColorNormal) {
3391 if (oldi > next_out) {
3392 SendToPlayer(&buf[next_out], oldi - next_out);
3395 Colorize(prevColor, TRUE);
3396 curColor = prevColor;
3398 if (savingComment) {
3399 parse_pos = i - oldi;
3400 memcpy(parse, &buf[oldi], parse_pos);
3401 parse[parse_pos] = NULLCHAR;
3402 started = STARTED_COMMENT;
3403 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3404 chattingPartner = savingComment - 3; // kludge to remember the box
3406 started = STARTED_CHATTER;
3411 if (looking_at(buf, &i, "Black Strength :") ||
3412 looking_at(buf, &i, "<<< style 10 board >>>") ||
3413 looking_at(buf, &i, "<10>") ||
3414 looking_at(buf, &i, "#@#")) {
3415 /* Wrong board style */
3417 SendToICS(ics_prefix);
3418 SendToICS("set style 12\n");
3419 SendToICS(ics_prefix);
3420 SendToICS("refresh\n");
3424 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3426 have_sent_ICS_logon = 1;
3430 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3431 (looking_at(buf, &i, "\n<12> ") ||
3432 looking_at(buf, &i, "<12> "))) {
3434 if (oldi > next_out) {
3435 SendToPlayer(&buf[next_out], oldi - next_out);
3438 started = STARTED_BOARD;
3443 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3444 looking_at(buf, &i, "<b1> ")) {
3445 if (oldi > next_out) {
3446 SendToPlayer(&buf[next_out], oldi - next_out);
3449 started = STARTED_HOLDINGS;
3454 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3456 /* Header for a move list -- first line */
3458 switch (ics_getting_history) {
3462 case BeginningOfGame:
3463 /* User typed "moves" or "oldmoves" while we
3464 were idle. Pretend we asked for these
3465 moves and soak them up so user can step
3466 through them and/or save them.
3469 gameMode = IcsObserving;
3472 ics_getting_history = H_GOT_UNREQ_HEADER;
3474 case EditGame: /*?*/
3475 case EditPosition: /*?*/
3476 /* Should above feature work in these modes too? */
3477 /* For now it doesn't */
3478 ics_getting_history = H_GOT_UNWANTED_HEADER;
3481 ics_getting_history = H_GOT_UNWANTED_HEADER;
3486 /* Is this the right one? */
3487 if (gameInfo.white && gameInfo.black &&
3488 strcmp(gameInfo.white, star_match[0]) == 0 &&
3489 strcmp(gameInfo.black, star_match[2]) == 0) {
3491 ics_getting_history = H_GOT_REQ_HEADER;
3494 case H_GOT_REQ_HEADER:
3495 case H_GOT_UNREQ_HEADER:
3496 case H_GOT_UNWANTED_HEADER:
3497 case H_GETTING_MOVES:
3498 /* Should not happen */
3499 DisplayError(_("Error gathering move list: two headers"), 0);
3500 ics_getting_history = H_FALSE;
3504 /* Save player ratings into gameInfo if needed */
3505 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3506 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3507 (gameInfo.whiteRating == -1 ||
3508 gameInfo.blackRating == -1)) {
3510 gameInfo.whiteRating = string_to_rating(star_match[1]);
3511 gameInfo.blackRating = string_to_rating(star_match[3]);
3512 if (appData.debugMode)
3513 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3514 gameInfo.whiteRating, gameInfo.blackRating);
3519 if (looking_at(buf, &i,
3520 "* * match, initial time: * minute*, increment: * second")) {
3521 /* Header for a move list -- second line */
3522 /* Initial board will follow if this is a wild game */
3523 if (gameInfo.event != NULL) free(gameInfo.event);
3524 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3525 gameInfo.event = StrSave(str);
3526 /* [HGM] we switched variant. Translate boards if needed. */
3527 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3531 if (looking_at(buf, &i, "Move ")) {
3532 /* Beginning of a move list */
3533 switch (ics_getting_history) {
3535 /* Normally should not happen */
3536 /* Maybe user hit reset while we were parsing */
3539 /* Happens if we are ignoring a move list that is not
3540 * the one we just requested. Common if the user
3541 * tries to observe two games without turning off
3544 case H_GETTING_MOVES:
3545 /* Should not happen */
3546 DisplayError(_("Error gathering move list: nested"), 0);
3547 ics_getting_history = H_FALSE;
3549 case H_GOT_REQ_HEADER:
3550 ics_getting_history = H_GETTING_MOVES;
3551 started = STARTED_MOVES;
3553 if (oldi > next_out) {
3554 SendToPlayer(&buf[next_out], oldi - next_out);
3557 case H_GOT_UNREQ_HEADER:
3558 ics_getting_history = H_GETTING_MOVES;
3559 started = STARTED_MOVES_NOHIDE;
3562 case H_GOT_UNWANTED_HEADER:
3563 ics_getting_history = H_FALSE;
3569 if (looking_at(buf, &i, "% ") ||
3570 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3571 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3572 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3573 soughtPending = FALSE;
3577 if(suppressKibitz) next_out = i;
3578 savingComment = FALSE;
3582 case STARTED_MOVES_NOHIDE:
3583 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3584 parse[parse_pos + i - oldi] = NULLCHAR;
3585 ParseGameHistory(parse);
3587 if (appData.zippyPlay && first.initDone) {
3588 FeedMovesToProgram(&first, forwardMostMove);
3589 if (gameMode == IcsPlayingWhite) {
3590 if (WhiteOnMove(forwardMostMove)) {
3591 if (first.sendTime) {
3592 if (first.useColors) {
3593 SendToProgram("black\n", &first);
3595 SendTimeRemaining(&first, TRUE);
3597 if (first.useColors) {
3598 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3600 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3601 first.maybeThinking = TRUE;
3603 if (first.usePlayother) {
3604 if (first.sendTime) {
3605 SendTimeRemaining(&first, TRUE);
3607 SendToProgram("playother\n", &first);
3613 } else if (gameMode == IcsPlayingBlack) {
3614 if (!WhiteOnMove(forwardMostMove)) {
3615 if (first.sendTime) {
3616 if (first.useColors) {
3617 SendToProgram("white\n", &first);
3619 SendTimeRemaining(&first, FALSE);
3621 if (first.useColors) {
3622 SendToProgram("black\n", &first);
3624 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3625 first.maybeThinking = TRUE;
3627 if (first.usePlayother) {
3628 if (first.sendTime) {
3629 SendTimeRemaining(&first, FALSE);
3631 SendToProgram("playother\n", &first);
3640 if (gameMode == IcsObserving && ics_gamenum == -1) {
3641 /* Moves came from oldmoves or moves command
3642 while we weren't doing anything else.
3644 currentMove = forwardMostMove;
3645 ClearHighlights();/*!!could figure this out*/
3646 flipView = appData.flipView;
3647 DrawPosition(TRUE, boards[currentMove]);
3648 DisplayBothClocks();
3649 snprintf(str, MSG_SIZ, "%s %s %s",
3650 gameInfo.white, _("vs."), gameInfo.black);
3654 /* Moves were history of an active game */
3655 if (gameInfo.resultDetails != NULL) {
3656 free(gameInfo.resultDetails);
3657 gameInfo.resultDetails = NULL;
3660 HistorySet(parseList, backwardMostMove,
3661 forwardMostMove, currentMove-1);
3662 DisplayMove(currentMove - 1);
3663 if (started == STARTED_MOVES) next_out = i;
3664 started = STARTED_NONE;
3665 ics_getting_history = H_FALSE;
3668 case STARTED_OBSERVE:
3669 started = STARTED_NONE;
3670 SendToICS(ics_prefix);
3671 SendToICS("refresh\n");
3677 if(bookHit) { // [HGM] book: simulate book reply
3678 static char bookMove[MSG_SIZ]; // a bit generous?
3680 programStats.nodes = programStats.depth = programStats.time =
3681 programStats.score = programStats.got_only_move = 0;
3682 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3684 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3685 strcat(bookMove, bookHit);
3686 HandleMachineMove(bookMove, &first);
3691 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3692 started == STARTED_HOLDINGS ||
3693 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3694 /* Accumulate characters in move list or board */
3695 parse[parse_pos++] = buf[i];
3698 /* Start of game messages. Mostly we detect start of game
3699 when the first board image arrives. On some versions
3700 of the ICS, though, we need to do a "refresh" after starting
3701 to observe in order to get the current board right away. */
3702 if (looking_at(buf, &i, "Adding game * to observation list")) {
3703 started = STARTED_OBSERVE;
3707 /* Handle auto-observe */
3708 if (appData.autoObserve &&
3709 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3710 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3712 /* Choose the player that was highlighted, if any. */
3713 if (star_match[0][0] == '\033' ||
3714 star_match[1][0] != '\033') {
3715 player = star_match[0];
3717 player = star_match[2];
3719 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3720 ics_prefix, StripHighlightAndTitle(player));
3723 /* Save ratings from notify string */
3724 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3725 player1Rating = string_to_rating(star_match[1]);
3726 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3727 player2Rating = string_to_rating(star_match[3]);
3729 if (appData.debugMode)
3731 "Ratings from 'Game notification:' %s %d, %s %d\n",
3732 player1Name, player1Rating,
3733 player2Name, player2Rating);
3738 /* Deal with automatic examine mode after a game,
3739 and with IcsObserving -> IcsExamining transition */
3740 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3741 looking_at(buf, &i, "has made you an examiner of game *")) {
3743 int gamenum = atoi(star_match[0]);
3744 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3745 gamenum == ics_gamenum) {
3746 /* We were already playing or observing this game;
3747 no need to refetch history */
3748 gameMode = IcsExamining;
3750 pauseExamForwardMostMove = forwardMostMove;
3751 } else if (currentMove < forwardMostMove) {
3752 ForwardInner(forwardMostMove);
3755 /* I don't think this case really can happen */
3756 SendToICS(ics_prefix);
3757 SendToICS("refresh\n");
3762 /* Error messages */
3763 // if (ics_user_moved) {
3764 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3765 if (looking_at(buf, &i, "Illegal move") ||
3766 looking_at(buf, &i, "Not a legal move") ||
3767 looking_at(buf, &i, "Your king is in check") ||
3768 looking_at(buf, &i, "It isn't your turn") ||
3769 looking_at(buf, &i, "It is not your move")) {
3771 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3772 currentMove = forwardMostMove-1;
3773 DisplayMove(currentMove - 1); /* before DMError */
3774 DrawPosition(FALSE, boards[currentMove]);
3775 SwitchClocks(forwardMostMove-1); // [HGM] race
3776 DisplayBothClocks();
3778 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3784 if (looking_at(buf, &i, "still have time") ||
3785 looking_at(buf, &i, "not out of time") ||
3786 looking_at(buf, &i, "either player is out of time") ||
3787 looking_at(buf, &i, "has timeseal; checking")) {
3788 /* We must have called his flag a little too soon */
3789 whiteFlag = blackFlag = FALSE;
3793 if (looking_at(buf, &i, "added * seconds to") ||
3794 looking_at(buf, &i, "seconds were added to")) {
3795 /* Update the clocks */
3796 SendToICS(ics_prefix);
3797 SendToICS("refresh\n");
3801 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3802 ics_clock_paused = TRUE;
3807 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3808 ics_clock_paused = FALSE;
3813 /* Grab player ratings from the Creating: message.
3814 Note we have to check for the special case when
3815 the ICS inserts things like [white] or [black]. */
3816 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3817 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3819 0 player 1 name (not necessarily white)
3821 2 empty, white, or black (IGNORED)
3822 3 player 2 name (not necessarily black)
3825 The names/ratings are sorted out when the game
3826 actually starts (below).
3828 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3829 player1Rating = string_to_rating(star_match[1]);
3830 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3831 player2Rating = string_to_rating(star_match[4]);
3833 if (appData.debugMode)
3835 "Ratings from 'Creating:' %s %d, %s %d\n",
3836 player1Name, player1Rating,
3837 player2Name, player2Rating);
3842 /* Improved generic start/end-of-game messages */
3843 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3844 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3845 /* If tkind == 0: */
3846 /* star_match[0] is the game number */
3847 /* [1] is the white player's name */
3848 /* [2] is the black player's name */
3849 /* For end-of-game: */
3850 /* [3] is the reason for the game end */
3851 /* [4] is a PGN end game-token, preceded by " " */
3852 /* For start-of-game: */
3853 /* [3] begins with "Creating" or "Continuing" */
3854 /* [4] is " *" or empty (don't care). */
3855 int gamenum = atoi(star_match[0]);
3856 char *whitename, *blackname, *why, *endtoken;
3857 ChessMove endtype = EndOfFile;
3860 whitename = star_match[1];
3861 blackname = star_match[2];
3862 why = star_match[3];
3863 endtoken = star_match[4];
3865 whitename = star_match[1];
3866 blackname = star_match[3];
3867 why = star_match[5];
3868 endtoken = star_match[6];
3871 /* Game start messages */
3872 if (strncmp(why, "Creating ", 9) == 0 ||
3873 strncmp(why, "Continuing ", 11) == 0) {
3874 gs_gamenum = gamenum;
3875 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3876 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3877 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3879 if (appData.zippyPlay) {
3880 ZippyGameStart(whitename, blackname);
3883 partnerBoardValid = FALSE; // [HGM] bughouse
3887 /* Game end messages */
3888 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3889 ics_gamenum != gamenum) {
3892 while (endtoken[0] == ' ') endtoken++;
3893 switch (endtoken[0]) {
3896 endtype = GameUnfinished;
3899 endtype = BlackWins;
3902 if (endtoken[1] == '/')
3903 endtype = GameIsDrawn;
3905 endtype = WhiteWins;
3908 GameEnds(endtype, why, GE_ICS);
3910 if (appData.zippyPlay && first.initDone) {
3911 ZippyGameEnd(endtype, why);
3912 if (first.pr == NoProc) {
3913 /* Start the next process early so that we'll
3914 be ready for the next challenge */
3915 StartChessProgram(&first);
3917 /* Send "new" early, in case this command takes
3918 a long time to finish, so that we'll be ready
3919 for the next challenge. */
3920 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3924 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3928 if (looking_at(buf, &i, "Removing game * from observation") ||
3929 looking_at(buf, &i, "no longer observing game *") ||
3930 looking_at(buf, &i, "Game * (*) has no examiners")) {
3931 if (gameMode == IcsObserving &&
3932 atoi(star_match[0]) == ics_gamenum)
3934 /* icsEngineAnalyze */
3935 if (appData.icsEngineAnalyze) {
3942 ics_user_moved = FALSE;
3947 if (looking_at(buf, &i, "no longer examining game *")) {
3948 if (gameMode == IcsExamining &&
3949 atoi(star_match[0]) == ics_gamenum)
3953 ics_user_moved = FALSE;
3958 /* Advance leftover_start past any newlines we find,
3959 so only partial lines can get reparsed */
3960 if (looking_at(buf, &i, "\n")) {
3961 prevColor = curColor;
3962 if (curColor != ColorNormal) {
3963 if (oldi > next_out) {
3964 SendToPlayer(&buf[next_out], oldi - next_out);
3967 Colorize(ColorNormal, FALSE);
3968 curColor = ColorNormal;
3970 if (started == STARTED_BOARD) {
3971 started = STARTED_NONE;
3972 parse[parse_pos] = NULLCHAR;
3973 ParseBoard12(parse);
3976 /* Send premove here */
3977 if (appData.premove) {
3979 if (currentMove == 0 &&
3980 gameMode == IcsPlayingWhite &&
3981 appData.premoveWhite) {
3982 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3983 if (appData.debugMode)
3984 fprintf(debugFP, "Sending premove:\n");
3986 } else if (currentMove == 1 &&
3987 gameMode == IcsPlayingBlack &&
3988 appData.premoveBlack) {
3989 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3990 if (appData.debugMode)
3991 fprintf(debugFP, "Sending premove:\n");
3993 } else if (gotPremove) {
3995 ClearPremoveHighlights();
3996 if (appData.debugMode)
3997 fprintf(debugFP, "Sending premove:\n");
3998 UserMoveEvent(premoveFromX, premoveFromY,
3999 premoveToX, premoveToY,
4004 /* Usually suppress following prompt */
4005 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4006 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4007 if (looking_at(buf, &i, "*% ")) {
4008 savingComment = FALSE;
4013 } else if (started == STARTED_HOLDINGS) {
4015 char new_piece[MSG_SIZ];
4016 started = STARTED_NONE;
4017 parse[parse_pos] = NULLCHAR;
4018 if (appData.debugMode)
4019 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4020 parse, currentMove);
4021 if (sscanf(parse, " game %d", &gamenum) == 1) {
4022 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4023 if (gameInfo.variant == VariantNormal) {
4024 /* [HGM] We seem to switch variant during a game!
4025 * Presumably no holdings were displayed, so we have
4026 * to move the position two files to the right to
4027 * create room for them!
4029 VariantClass newVariant;
4030 switch(gameInfo.boardWidth) { // base guess on board width
4031 case 9: newVariant = VariantShogi; break;
4032 case 10: newVariant = VariantGreat; break;
4033 default: newVariant = VariantCrazyhouse; break;
4035 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4036 /* Get a move list just to see the header, which
4037 will tell us whether this is really bug or zh */
4038 if (ics_getting_history == H_FALSE) {
4039 ics_getting_history = H_REQUESTED;
4040 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4044 new_piece[0] = NULLCHAR;
4045 sscanf(parse, "game %d white [%s black [%s <- %s",
4046 &gamenum, white_holding, black_holding,
4048 white_holding[strlen(white_holding)-1] = NULLCHAR;
4049 black_holding[strlen(black_holding)-1] = NULLCHAR;
4050 /* [HGM] copy holdings to board holdings area */
4051 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4052 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4053 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4055 if (appData.zippyPlay && first.initDone) {
4056 ZippyHoldings(white_holding, black_holding,
4060 if (tinyLayout || smallLayout) {
4061 char wh[16], bh[16];
4062 PackHolding(wh, white_holding);
4063 PackHolding(bh, black_holding);
4064 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4065 gameInfo.white, gameInfo.black);
4067 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4068 gameInfo.white, white_holding, _("vs."),
4069 gameInfo.black, black_holding);
4071 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4072 DrawPosition(FALSE, boards[currentMove]);
4074 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4075 sscanf(parse, "game %d white [%s black [%s <- %s",
4076 &gamenum, white_holding, black_holding,
4078 white_holding[strlen(white_holding)-1] = NULLCHAR;
4079 black_holding[strlen(black_holding)-1] = NULLCHAR;
4080 /* [HGM] copy holdings to partner-board holdings area */
4081 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4082 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4083 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4084 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4085 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4088 /* Suppress following prompt */
4089 if (looking_at(buf, &i, "*% ")) {
4090 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4091 savingComment = FALSE;
4099 i++; /* skip unparsed character and loop back */
4102 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4103 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4104 // SendToPlayer(&buf[next_out], i - next_out);
4105 started != STARTED_HOLDINGS && leftover_start > next_out) {
4106 SendToPlayer(&buf[next_out], leftover_start - next_out);
4110 leftover_len = buf_len - leftover_start;
4111 /* if buffer ends with something we couldn't parse,
4112 reparse it after appending the next read */
4114 } else if (count == 0) {
4115 RemoveInputSource(isr);
4116 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4118 DisplayFatalError(_("Error reading from ICS"), error, 1);
4123 /* Board style 12 looks like this:
4125 <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
4127 * The "<12> " is stripped before it gets to this routine. The two
4128 * trailing 0's (flip state and clock ticking) are later addition, and
4129 * some chess servers may not have them, or may have only the first.
4130 * Additional trailing fields may be added in the future.
4133 #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"
4135 #define RELATION_OBSERVING_PLAYED 0
4136 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4137 #define RELATION_PLAYING_MYMOVE 1
4138 #define RELATION_PLAYING_NOTMYMOVE -1
4139 #define RELATION_EXAMINING 2
4140 #define RELATION_ISOLATED_BOARD -3
4141 #define RELATION_STARTING_POSITION -4 /* FICS only */
4144 ParseBoard12 (char *string)
4146 GameMode newGameMode;
4147 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4148 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4149 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4150 char to_play, board_chars[200];
4151 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4152 char black[32], white[32];
4154 int prevMove = currentMove;
4157 int fromX, fromY, toX, toY;
4159 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4160 char *bookHit = NULL; // [HGM] book
4161 Boolean weird = FALSE, reqFlag = FALSE;
4163 fromX = fromY = toX = toY = -1;
4167 if (appData.debugMode)
4168 fprintf(debugFP, _("Parsing board: %s\n"), string);
4170 move_str[0] = NULLCHAR;
4171 elapsed_time[0] = NULLCHAR;
4172 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4174 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4175 if(string[i] == ' ') { ranks++; files = 0; }
4177 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4180 for(j = 0; j <i; j++) board_chars[j] = string[j];
4181 board_chars[i] = '\0';
4184 n = sscanf(string, PATTERN, &to_play, &double_push,
4185 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4186 &gamenum, white, black, &relation, &basetime, &increment,
4187 &white_stren, &black_stren, &white_time, &black_time,
4188 &moveNum, str, elapsed_time, move_str, &ics_flip,
4192 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4193 DisplayError(str, 0);
4197 /* Convert the move number to internal form */
4198 moveNum = (moveNum - 1) * 2;
4199 if (to_play == 'B') moveNum++;
4200 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4201 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4207 case RELATION_OBSERVING_PLAYED:
4208 case RELATION_OBSERVING_STATIC:
4209 if (gamenum == -1) {
4210 /* Old ICC buglet */
4211 relation = RELATION_OBSERVING_STATIC;
4213 newGameMode = IcsObserving;
4215 case RELATION_PLAYING_MYMOVE:
4216 case RELATION_PLAYING_NOTMYMOVE:
4218 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4219 IcsPlayingWhite : IcsPlayingBlack;
4220 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4222 case RELATION_EXAMINING:
4223 newGameMode = IcsExamining;
4225 case RELATION_ISOLATED_BOARD:
4227 /* Just display this board. If user was doing something else,
4228 we will forget about it until the next board comes. */
4229 newGameMode = IcsIdle;
4231 case RELATION_STARTING_POSITION:
4232 newGameMode = gameMode;
4236 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4237 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4238 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4240 for (k = 0; k < ranks; k++) {
4241 for (j = 0; j < files; j++)
4242 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4243 if(gameInfo.holdingsWidth > 1) {
4244 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4245 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4248 CopyBoard(partnerBoard, board);
4249 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4250 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4251 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4252 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4253 if(toSqr = strchr(str, '-')) {
4254 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4255 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4256 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4257 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4258 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4259 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4260 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4261 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4262 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4263 DisplayMessage(partnerStatus, "");
4264 partnerBoardValid = TRUE;
4268 /* Modify behavior for initial board display on move listing
4271 switch (ics_getting_history) {
4275 case H_GOT_REQ_HEADER:
4276 case H_GOT_UNREQ_HEADER:
4277 /* This is the initial position of the current game */
4278 gamenum = ics_gamenum;
4279 moveNum = 0; /* old ICS bug workaround */
4280 if (to_play == 'B') {
4281 startedFromSetupPosition = TRUE;
4282 blackPlaysFirst = TRUE;
4284 if (forwardMostMove == 0) forwardMostMove = 1;
4285 if (backwardMostMove == 0) backwardMostMove = 1;
4286 if (currentMove == 0) currentMove = 1;
4288 newGameMode = gameMode;
4289 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4291 case H_GOT_UNWANTED_HEADER:
4292 /* This is an initial board that we don't want */
4294 case H_GETTING_MOVES:
4295 /* Should not happen */
4296 DisplayError(_("Error gathering move list: extra board"), 0);
4297 ics_getting_history = H_FALSE;
4301 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4302 weird && (int)gameInfo.variant < (int)VariantShogi) {
4303 /* [HGM] We seem to have switched variant unexpectedly
4304 * Try to guess new variant from board size
4306 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4307 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4308 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4309 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4310 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4311 if(!weird) newVariant = VariantNormal;
4312 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4313 /* Get a move list just to see the header, which
4314 will tell us whether this is really bug or zh */
4315 if (ics_getting_history == H_FALSE) {
4316 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4317 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4322 /* Take action if this is the first board of a new game, or of a
4323 different game than is currently being displayed. */
4324 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4325 relation == RELATION_ISOLATED_BOARD) {
4327 /* Forget the old game and get the history (if any) of the new one */
4328 if (gameMode != BeginningOfGame) {
4332 if (appData.autoRaiseBoard) BoardToTop();
4334 if (gamenum == -1) {
4335 newGameMode = IcsIdle;
4336 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4337 appData.getMoveList && !reqFlag) {
4338 /* Need to get game history */
4339 ics_getting_history = H_REQUESTED;
4340 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4344 /* Initially flip the board to have black on the bottom if playing
4345 black or if the ICS flip flag is set, but let the user change
4346 it with the Flip View button. */
4347 flipView = appData.autoFlipView ?
4348 (newGameMode == IcsPlayingBlack) || ics_flip :
4351 /* Done with values from previous mode; copy in new ones */
4352 gameMode = newGameMode;
4354 ics_gamenum = gamenum;
4355 if (gamenum == gs_gamenum) {
4356 int klen = strlen(gs_kind);
4357 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4358 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4359 gameInfo.event = StrSave(str);
4361 gameInfo.event = StrSave("ICS game");
4363 gameInfo.site = StrSave(appData.icsHost);
4364 gameInfo.date = PGNDate();
4365 gameInfo.round = StrSave("-");
4366 gameInfo.white = StrSave(white);
4367 gameInfo.black = StrSave(black);
4368 timeControl = basetime * 60 * 1000;
4370 timeIncrement = increment * 1000;
4371 movesPerSession = 0;
4372 gameInfo.timeControl = TimeControlTagValue();
4373 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4374 if (appData.debugMode) {
4375 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4376 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4377 setbuf(debugFP, NULL);
4380 gameInfo.outOfBook = NULL;
4382 /* Do we have the ratings? */
4383 if (strcmp(player1Name, white) == 0 &&
4384 strcmp(player2Name, black) == 0) {
4385 if (appData.debugMode)
4386 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4387 player1Rating, player2Rating);
4388 gameInfo.whiteRating = player1Rating;
4389 gameInfo.blackRating = player2Rating;
4390 } else if (strcmp(player2Name, white) == 0 &&
4391 strcmp(player1Name, black) == 0) {
4392 if (appData.debugMode)
4393 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4394 player2Rating, player1Rating);
4395 gameInfo.whiteRating = player2Rating;
4396 gameInfo.blackRating = player1Rating;
4398 player1Name[0] = player2Name[0] = NULLCHAR;
4400 /* Silence shouts if requested */
4401 if (appData.quietPlay &&
4402 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4403 SendToICS(ics_prefix);
4404 SendToICS("set shout 0\n");
4408 /* Deal with midgame name changes */
4410 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4411 if (gameInfo.white) free(gameInfo.white);
4412 gameInfo.white = StrSave(white);
4414 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4415 if (gameInfo.black) free(gameInfo.black);
4416 gameInfo.black = StrSave(black);
4420 /* Throw away game result if anything actually changes in examine mode */
4421 if (gameMode == IcsExamining && !newGame) {
4422 gameInfo.result = GameUnfinished;
4423 if (gameInfo.resultDetails != NULL) {
4424 free(gameInfo.resultDetails);
4425 gameInfo.resultDetails = NULL;
4429 /* In pausing && IcsExamining mode, we ignore boards coming
4430 in if they are in a different variation than we are. */
4431 if (pauseExamInvalid) return;
4432 if (pausing && gameMode == IcsExamining) {
4433 if (moveNum <= pauseExamForwardMostMove) {
4434 pauseExamInvalid = TRUE;
4435 forwardMostMove = pauseExamForwardMostMove;
4440 if (appData.debugMode) {
4441 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4443 /* Parse the board */
4444 for (k = 0; k < ranks; k++) {
4445 for (j = 0; j < files; j++)
4446 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4447 if(gameInfo.holdingsWidth > 1) {
4448 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4449 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4452 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4453 board[5][BOARD_RGHT+1] = WhiteAngel;
4454 board[6][BOARD_RGHT+1] = WhiteMarshall;
4455 board[1][0] = BlackMarshall;
4456 board[2][0] = BlackAngel;
4457 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4459 CopyBoard(boards[moveNum], board);
4460 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4462 startedFromSetupPosition =
4463 !CompareBoards(board, initialPosition);
4464 if(startedFromSetupPosition)
4465 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4468 /* [HGM] Set castling rights. Take the outermost Rooks,
4469 to make it also work for FRC opening positions. Note that board12
4470 is really defective for later FRC positions, as it has no way to
4471 indicate which Rook can castle if they are on the same side of King.
4472 For the initial position we grant rights to the outermost Rooks,
4473 and remember thos rights, and we then copy them on positions
4474 later in an FRC game. This means WB might not recognize castlings with
4475 Rooks that have moved back to their original position as illegal,
4476 but in ICS mode that is not its job anyway.
4478 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4479 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4481 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4482 if(board[0][i] == WhiteRook) j = i;
4483 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4484 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4485 if(board[0][i] == WhiteRook) j = i;
4486 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4487 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4488 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4489 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4490 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4491 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4492 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4494 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4495 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4496 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4497 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4498 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4499 if(board[BOARD_HEIGHT-1][k] == bKing)
4500 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4501 if(gameInfo.variant == VariantTwoKings) {
4502 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4503 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4504 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4507 r = boards[moveNum][CASTLING][0] = initialRights[0];
4508 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4509 r = boards[moveNum][CASTLING][1] = initialRights[1];
4510 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4511 r = boards[moveNum][CASTLING][3] = initialRights[3];
4512 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4513 r = boards[moveNum][CASTLING][4] = initialRights[4];
4514 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4515 /* wildcastle kludge: always assume King has rights */
4516 r = boards[moveNum][CASTLING][2] = initialRights[2];
4517 r = boards[moveNum][CASTLING][5] = initialRights[5];
4519 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4520 boards[moveNum][EP_STATUS] = EP_NONE;
4521 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4522 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4523 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4526 if (ics_getting_history == H_GOT_REQ_HEADER ||
4527 ics_getting_history == H_GOT_UNREQ_HEADER) {
4528 /* This was an initial position from a move list, not
4529 the current position */
4533 /* Update currentMove and known move number limits */
4534 newMove = newGame || moveNum > forwardMostMove;
4537 forwardMostMove = backwardMostMove = currentMove = moveNum;
4538 if (gameMode == IcsExamining && moveNum == 0) {
4539 /* Workaround for ICS limitation: we are not told the wild
4540 type when starting to examine a game. But if we ask for
4541 the move list, the move list header will tell us */
4542 ics_getting_history = H_REQUESTED;
4543 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4546 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4547 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4549 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4550 /* [HGM] applied this also to an engine that is silently watching */
4551 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4552 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4553 gameInfo.variant == currentlyInitializedVariant) {
4554 takeback = forwardMostMove - moveNum;
4555 for (i = 0; i < takeback; i++) {
4556 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4557 SendToProgram("undo\n", &first);
4562 forwardMostMove = moveNum;
4563 if (!pausing || currentMove > forwardMostMove)
4564 currentMove = forwardMostMove;
4566 /* New part of history that is not contiguous with old part */
4567 if (pausing && gameMode == IcsExamining) {
4568 pauseExamInvalid = TRUE;
4569 forwardMostMove = pauseExamForwardMostMove;
4572 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4574 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4575 // [HGM] when we will receive the move list we now request, it will be
4576 // fed to the engine from the first move on. So if the engine is not
4577 // in the initial position now, bring it there.
4578 InitChessProgram(&first, 0);
4581 ics_getting_history = H_REQUESTED;
4582 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4585 forwardMostMove = backwardMostMove = currentMove = moveNum;
4588 /* Update the clocks */
4589 if (strchr(elapsed_time, '.')) {
4591 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4592 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4594 /* Time is in seconds */
4595 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4596 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4601 if (appData.zippyPlay && newGame &&
4602 gameMode != IcsObserving && gameMode != IcsIdle &&
4603 gameMode != IcsExamining)
4604 ZippyFirstBoard(moveNum, basetime, increment);
4607 /* Put the move on the move list, first converting
4608 to canonical algebraic form. */
4610 if (appData.debugMode) {
4611 if (appData.debugMode) { int f = forwardMostMove;
4612 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4613 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4614 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4616 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4617 fprintf(debugFP, "moveNum = %d\n", moveNum);
4618 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4619 setbuf(debugFP, NULL);
4621 if (moveNum <= backwardMostMove) {
4622 /* We don't know what the board looked like before
4624 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4625 strcat(parseList[moveNum - 1], " ");
4626 strcat(parseList[moveNum - 1], elapsed_time);
4627 moveList[moveNum - 1][0] = NULLCHAR;
4628 } else if (strcmp(move_str, "none") == 0) {
4629 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4630 /* Again, we don't know what the board looked like;
4631 this is really the start of the game. */
4632 parseList[moveNum - 1][0] = NULLCHAR;
4633 moveList[moveNum - 1][0] = NULLCHAR;
4634 backwardMostMove = moveNum;
4635 startedFromSetupPosition = TRUE;
4636 fromX = fromY = toX = toY = -1;
4638 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4639 // So we parse the long-algebraic move string in stead of the SAN move
4640 int valid; char buf[MSG_SIZ], *prom;
4642 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4643 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4644 // str looks something like "Q/a1-a2"; kill the slash
4646 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4647 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4648 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4649 strcat(buf, prom); // long move lacks promo specification!
4650 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4651 if(appData.debugMode)
4652 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4653 safeStrCpy(move_str, buf, MSG_SIZ);
4655 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4656 &fromX, &fromY, &toX, &toY, &promoChar)
4657 || ParseOneMove(buf, moveNum - 1, &moveType,
4658 &fromX, &fromY, &toX, &toY, &promoChar);
4659 // end of long SAN patch
4661 (void) CoordsToAlgebraic(boards[moveNum - 1],
4662 PosFlags(moveNum - 1),
4663 fromY, fromX, toY, toX, promoChar,
4664 parseList[moveNum-1]);
4665 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4671 if(gameInfo.variant != VariantShogi)
4672 strcat(parseList[moveNum - 1], "+");
4675 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4676 strcat(parseList[moveNum - 1], "#");
4679 strcat(parseList[moveNum - 1], " ");
4680 strcat(parseList[moveNum - 1], elapsed_time);
4681 /* currentMoveString is set as a side-effect of ParseOneMove */
4682 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4683 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4684 strcat(moveList[moveNum - 1], "\n");
4686 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4687 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4688 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4689 ChessSquare old, new = boards[moveNum][k][j];
4690 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4691 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4692 if(old == new) continue;
4693 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4694 else if(new == WhiteWazir || new == BlackWazir) {
4695 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4696 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4697 else boards[moveNum][k][j] = old; // preserve type of Gold
4698 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4699 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4702 /* Move from ICS was illegal!? Punt. */
4703 if (appData.debugMode) {
4704 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4705 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4707 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4708 strcat(parseList[moveNum - 1], " ");
4709 strcat(parseList[moveNum - 1], elapsed_time);
4710 moveList[moveNum - 1][0] = NULLCHAR;
4711 fromX = fromY = toX = toY = -1;
4714 if (appData.debugMode) {
4715 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4716 setbuf(debugFP, NULL);
4720 /* Send move to chess program (BEFORE animating it). */
4721 if (appData.zippyPlay && !newGame && newMove &&
4722 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4724 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4725 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4726 if (moveList[moveNum - 1][0] == NULLCHAR) {
4727 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4729 DisplayError(str, 0);
4731 if (first.sendTime) {
4732 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4734 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4735 if (firstMove && !bookHit) {
4737 if (first.useColors) {
4738 SendToProgram(gameMode == IcsPlayingWhite ?
4740 "black\ngo\n", &first);
4742 SendToProgram("go\n", &first);
4744 first.maybeThinking = TRUE;
4747 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4748 if (moveList[moveNum - 1][0] == NULLCHAR) {
4749 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4750 DisplayError(str, 0);
4752 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4753 SendMoveToProgram(moveNum - 1, &first);
4760 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4761 /* If move comes from a remote source, animate it. If it
4762 isn't remote, it will have already been animated. */
4763 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4764 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4766 if (!pausing && appData.highlightLastMove) {
4767 SetHighlights(fromX, fromY, toX, toY);
4771 /* Start the clocks */
4772 whiteFlag = blackFlag = FALSE;
4773 appData.clockMode = !(basetime == 0 && increment == 0);
4775 ics_clock_paused = TRUE;
4777 } else if (ticking == 1) {
4778 ics_clock_paused = FALSE;
4780 if (gameMode == IcsIdle ||
4781 relation == RELATION_OBSERVING_STATIC ||
4782 relation == RELATION_EXAMINING ||
4784 DisplayBothClocks();
4788 /* Display opponents and material strengths */
4789 if (gameInfo.variant != VariantBughouse &&
4790 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4791 if (tinyLayout || smallLayout) {
4792 if(gameInfo.variant == VariantNormal)
4793 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4794 gameInfo.white, white_stren, gameInfo.black, black_stren,
4795 basetime, increment);
4797 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4798 gameInfo.white, white_stren, gameInfo.black, black_stren,
4799 basetime, increment, (int) gameInfo.variant);
4801 if(gameInfo.variant == VariantNormal)
4802 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4803 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4804 basetime, increment);
4806 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4807 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4808 basetime, increment, VariantName(gameInfo.variant));
4811 if (appData.debugMode) {
4812 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4817 /* Display the board */
4818 if (!pausing && !appData.noGUI) {
4820 if (appData.premove)
4822 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4823 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4824 ClearPremoveHighlights();
4826 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4827 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4828 DrawPosition(j, boards[currentMove]);
4830 DisplayMove(moveNum - 1);
4831 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4832 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4833 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4834 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4838 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4840 if(bookHit) { // [HGM] book: simulate book reply
4841 static char bookMove[MSG_SIZ]; // a bit generous?
4843 programStats.nodes = programStats.depth = programStats.time =
4844 programStats.score = programStats.got_only_move = 0;
4845 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4847 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4848 strcat(bookMove, bookHit);
4849 HandleMachineMove(bookMove, &first);
4858 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4859 ics_getting_history = H_REQUESTED;
4860 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4866 AnalysisPeriodicEvent (int force)
4868 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4869 && !force) || !appData.periodicUpdates)
4872 /* Send . command to Crafty to collect stats */
4873 SendToProgram(".\n", &first);
4875 /* Don't send another until we get a response (this makes
4876 us stop sending to old Crafty's which don't understand
4877 the "." command (sending illegal cmds resets node count & time,
4878 which looks bad)) */
4879 programStats.ok_to_send = 0;
4883 ics_update_width (int new_width)
4885 ics_printf("set width %d\n", new_width);
4889 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4893 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4894 // null move in variant where engine does not understand it (for analysis purposes)
4895 SendBoard(cps, moveNum + 1); // send position after move in stead.
4898 if (cps->useUsermove) {
4899 SendToProgram("usermove ", cps);
4903 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4904 int len = space - parseList[moveNum];
4905 memcpy(buf, parseList[moveNum], len);
4907 buf[len] = NULLCHAR;
4909 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4911 SendToProgram(buf, cps);
4913 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4914 AlphaRank(moveList[moveNum], 4);
4915 SendToProgram(moveList[moveNum], cps);
4916 AlphaRank(moveList[moveNum], 4); // and back
4918 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4919 * the engine. It would be nice to have a better way to identify castle
4921 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4922 && cps->useOOCastle) {
4923 int fromX = moveList[moveNum][0] - AAA;
4924 int fromY = moveList[moveNum][1] - ONE;
4925 int toX = moveList[moveNum][2] - AAA;
4926 int toY = moveList[moveNum][3] - ONE;
4927 if((boards[moveNum][fromY][fromX] == WhiteKing
4928 && boards[moveNum][toY][toX] == WhiteRook)
4929 || (boards[moveNum][fromY][fromX] == BlackKing
4930 && boards[moveNum][toY][toX] == BlackRook)) {
4931 if(toX > fromX) SendToProgram("O-O\n", cps);
4932 else SendToProgram("O-O-O\n", cps);
4934 else SendToProgram(moveList[moveNum], cps);
4936 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4937 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4938 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4939 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4940 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4942 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4943 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4944 SendToProgram(buf, cps);
4946 else SendToProgram(moveList[moveNum], cps);
4947 /* End of additions by Tord */
4950 /* [HGM] setting up the opening has brought engine in force mode! */
4951 /* Send 'go' if we are in a mode where machine should play. */
4952 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4953 (gameMode == TwoMachinesPlay ||
4955 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4957 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4958 SendToProgram("go\n", cps);
4959 if (appData.debugMode) {
4960 fprintf(debugFP, "(extra)\n");
4963 setboardSpoiledMachineBlack = 0;
4967 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
4969 char user_move[MSG_SIZ];
4972 if(gameInfo.variant == VariantSChess && promoChar) {
4973 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4974 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4975 } else suffix[0] = NULLCHAR;
4979 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4980 (int)moveType, fromX, fromY, toX, toY);
4981 DisplayError(user_move + strlen("say "), 0);
4983 case WhiteKingSideCastle:
4984 case BlackKingSideCastle:
4985 case WhiteQueenSideCastleWild:
4986 case BlackQueenSideCastleWild:
4988 case WhiteHSideCastleFR:
4989 case BlackHSideCastleFR:
4991 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4993 case WhiteQueenSideCastle:
4994 case BlackQueenSideCastle:
4995 case WhiteKingSideCastleWild:
4996 case BlackKingSideCastleWild:
4998 case WhiteASideCastleFR:
4999 case BlackASideCastleFR:
5001 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5003 case WhiteNonPromotion:
5004 case BlackNonPromotion:
5005 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5007 case WhitePromotion:
5008 case BlackPromotion:
5009 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5010 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5011 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5012 PieceToChar(WhiteFerz));
5013 else if(gameInfo.variant == VariantGreat)
5014 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5015 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5016 PieceToChar(WhiteMan));
5018 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5019 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5025 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5026 ToUpper(PieceToChar((ChessSquare) fromX)),
5027 AAA + toX, ONE + toY);
5029 case IllegalMove: /* could be a variant we don't quite understand */
5030 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5032 case WhiteCapturesEnPassant:
5033 case BlackCapturesEnPassant:
5034 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5035 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5038 SendToICS(user_move);
5039 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5040 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5045 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5046 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5047 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5048 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5049 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5052 if(gameMode != IcsExamining) { // is this ever not the case?
5053 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5055 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5056 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5057 } else { // on FICS we must first go to general examine mode
5058 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5060 if(gameInfo.variant != VariantNormal) {
5061 // try figure out wild number, as xboard names are not always valid on ICS
5062 for(i=1; i<=36; i++) {
5063 snprintf(buf, MSG_SIZ, "wild/%d", i);
5064 if(StringToVariant(buf) == gameInfo.variant) break;
5066 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5067 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5068 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5069 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5070 SendToICS(ics_prefix);
5072 if(startedFromSetupPosition || backwardMostMove != 0) {
5073 fen = PositionToFEN(backwardMostMove, NULL);
5074 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5075 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5077 } else { // FICS: everything has to set by separate bsetup commands
5078 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5079 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5081 if(!WhiteOnMove(backwardMostMove)) {
5082 SendToICS("bsetup tomove black\n");
5084 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5085 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5087 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5088 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5090 i = boards[backwardMostMove][EP_STATUS];
5091 if(i >= 0) { // set e.p.
5092 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5098 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5099 SendToICS("bsetup done\n"); // switch to normal examining.
5101 for(i = backwardMostMove; i<last; i++) {
5103 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5106 SendToICS(ics_prefix);
5107 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5111 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5113 if (rf == DROP_RANK) {
5114 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5115 sprintf(move, "%c@%c%c\n",
5116 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5118 if (promoChar == 'x' || promoChar == NULLCHAR) {
5119 sprintf(move, "%c%c%c%c\n",
5120 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5122 sprintf(move, "%c%c%c%c%c\n",
5123 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5129 ProcessICSInitScript (FILE *f)
5133 while (fgets(buf, MSG_SIZ, f)) {
5134 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5141 static int lastX, lastY, selectFlag, dragging;
5146 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5147 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5148 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5149 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5150 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5151 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5154 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5155 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5156 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5157 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5158 if(!step) step = -1;
5159 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5160 appData.testLegality && (promoSweep == king ||
5161 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5162 ChangeDragPiece(promoSweep);
5166 PromoScroll (int x, int y)
5170 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5171 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5172 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5173 if(!step) return FALSE;
5174 lastX = x; lastY = y;
5175 if((promoSweep < BlackPawn) == flipView) step = -step;
5176 if(step > 0) selectFlag = 1;
5177 if(!selectFlag) Sweep(step);
5182 NextPiece (int step)
5184 ChessSquare piece = boards[currentMove][toY][toX];
5187 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5188 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5189 if(!step) step = -1;
5190 } while(PieceToChar(pieceSweep) == '.');
5191 boards[currentMove][toY][toX] = pieceSweep;
5192 DrawPosition(FALSE, boards[currentMove]);
5193 boards[currentMove][toY][toX] = piece;
5195 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5197 AlphaRank (char *move, int n)
5199 // char *p = move, c; int x, y;
5201 if (appData.debugMode) {
5202 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5206 move[2]>='0' && move[2]<='9' &&
5207 move[3]>='a' && move[3]<='x' ) {
5209 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5210 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5212 if(move[0]>='0' && move[0]<='9' &&
5213 move[1]>='a' && move[1]<='x' &&
5214 move[2]>='0' && move[2]<='9' &&
5215 move[3]>='a' && move[3]<='x' ) {
5216 /* input move, Shogi -> normal */
5217 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5218 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5219 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5220 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5223 move[3]>='0' && move[3]<='9' &&
5224 move[2]>='a' && move[2]<='x' ) {
5226 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5227 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5230 move[0]>='a' && move[0]<='x' &&
5231 move[3]>='0' && move[3]<='9' &&
5232 move[2]>='a' && move[2]<='x' ) {
5233 /* output move, normal -> Shogi */
5234 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5235 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5236 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5237 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5238 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5240 if (appData.debugMode) {
5241 fprintf(debugFP, " out = '%s'\n", move);
5245 char yy_textstr[8000];
5247 /* Parser for moves from gnuchess, ICS, or user typein box */
5249 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5251 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5253 switch (*moveType) {
5254 case WhitePromotion:
5255 case BlackPromotion:
5256 case WhiteNonPromotion:
5257 case BlackNonPromotion:
5259 case WhiteCapturesEnPassant:
5260 case BlackCapturesEnPassant:
5261 case WhiteKingSideCastle:
5262 case WhiteQueenSideCastle:
5263 case BlackKingSideCastle:
5264 case BlackQueenSideCastle:
5265 case WhiteKingSideCastleWild:
5266 case WhiteQueenSideCastleWild:
5267 case BlackKingSideCastleWild:
5268 case BlackQueenSideCastleWild:
5269 /* Code added by Tord: */
5270 case WhiteHSideCastleFR:
5271 case WhiteASideCastleFR:
5272 case BlackHSideCastleFR:
5273 case BlackASideCastleFR:
5274 /* End of code added by Tord */
5275 case IllegalMove: /* bug or odd chess variant */
5276 *fromX = currentMoveString[0] - AAA;
5277 *fromY = currentMoveString[1] - ONE;
5278 *toX = currentMoveString[2] - AAA;
5279 *toY = currentMoveString[3] - ONE;
5280 *promoChar = currentMoveString[4];
5281 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5282 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5283 if (appData.debugMode) {
5284 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5286 *fromX = *fromY = *toX = *toY = 0;
5289 if (appData.testLegality) {
5290 return (*moveType != IllegalMove);
5292 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5293 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5298 *fromX = *moveType == WhiteDrop ?
5299 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5300 (int) CharToPiece(ToLower(currentMoveString[0]));
5302 *toX = currentMoveString[2] - AAA;
5303 *toY = currentMoveString[3] - ONE;
5304 *promoChar = NULLCHAR;
5308 case ImpossibleMove:
5318 if (appData.debugMode) {
5319 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5322 *fromX = *fromY = *toX = *toY = 0;
5323 *promoChar = NULLCHAR;
5328 Boolean pushed = FALSE;
5329 char *lastParseAttempt;
5332 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5333 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5334 int fromX, fromY, toX, toY; char promoChar;
5339 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5340 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5343 endPV = forwardMostMove;
5345 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5346 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5347 lastParseAttempt = pv;
5348 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5349 if(!valid && nr == 0 &&
5350 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5351 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5352 // Hande case where played move is different from leading PV move
5353 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5354 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5355 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5356 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5357 endPV += 2; // if position different, keep this
5358 moveList[endPV-1][0] = fromX + AAA;
5359 moveList[endPV-1][1] = fromY + ONE;
5360 moveList[endPV-1][2] = toX + AAA;
5361 moveList[endPV-1][3] = toY + ONE;
5362 parseList[endPV-1][0] = NULLCHAR;
5363 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5366 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5367 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5368 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5369 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5370 valid++; // allow comments in PV
5374 if(endPV+1 > framePtr) break; // no space, truncate
5377 CopyBoard(boards[endPV], boards[endPV-1]);
5378 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5379 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5380 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5381 CoordsToAlgebraic(boards[endPV - 1],
5382 PosFlags(endPV - 1),
5383 fromY, fromX, toY, toX, promoChar,
5384 parseList[endPV - 1]);
5386 if(atEnd == 2) return; // used hidden, for PV conversion
5387 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5388 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5389 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5390 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5391 DrawPosition(TRUE, boards[currentMove]);
5395 MultiPV (ChessProgramState *cps)
5396 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5398 for(i=0; i<cps->nrOptions; i++)
5399 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5405 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5407 int startPV, multi, lineStart, origIndex = index;
5408 char *p, buf2[MSG_SIZ];
5410 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5411 lastX = x; lastY = y;
5412 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5413 lineStart = startPV = index;
5414 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5415 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5417 do{ while(buf[index] && buf[index] != '\n') index++;
5418 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5420 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5421 int n = first.option[multi].value;
5422 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5423 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5424 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5425 first.option[multi].value = n;
5429 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5430 *start = startPV; *end = index-1;
5437 static char buf[10*MSG_SIZ];
5438 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5440 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5441 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5442 for(i = forwardMostMove; i<endPV; i++){
5443 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5444 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5447 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5448 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5454 LoadPV (int x, int y)
5455 { // called on right mouse click to load PV
5456 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5457 lastX = x; lastY = y;
5458 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5465 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5466 if(endPV < 0) return;
5467 if(appData.autoCopyPV) CopyFENToClipboard();
5469 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5470 Boolean saveAnimate = appData.animate;
5472 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5473 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5474 } else storedGames--; // abandon shelved tail of original game
5477 forwardMostMove = currentMove;
5478 currentMove = oldFMM;
5479 appData.animate = FALSE;
5480 ToNrEvent(forwardMostMove);
5481 appData.animate = saveAnimate;
5483 currentMove = forwardMostMove;
5484 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5485 ClearPremoveHighlights();
5486 DrawPosition(TRUE, boards[currentMove]);
5490 MovePV (int x, int y, int h)
5491 { // step through PV based on mouse coordinates (called on mouse move)
5492 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5494 // we must somehow check if right button is still down (might be released off board!)
5495 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5496 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5497 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5499 lastX = x; lastY = y;
5501 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5502 if(endPV < 0) return;
5503 if(y < margin) step = 1; else
5504 if(y > h - margin) step = -1;
5505 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5506 currentMove += step;
5507 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5508 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5509 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5510 DrawPosition(FALSE, boards[currentMove]);
5514 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5515 // All positions will have equal probability, but the current method will not provide a unique
5516 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5522 int piecesLeft[(int)BlackPawn];
5523 int seed, nrOfShuffles;
5526 GetPositionNumber ()
5527 { // sets global variable seed
5530 seed = appData.defaultFrcPosition;
5531 if(seed < 0) { // randomize based on time for negative FRC position numbers
5532 for(i=0; i<50; i++) seed += random();
5533 seed = random() ^ random() >> 8 ^ random() << 8;
5534 if(seed<0) seed = -seed;
5539 put (Board board, int pieceType, int rank, int n, int shade)
5540 // put the piece on the (n-1)-th empty squares of the given shade
5544 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5545 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5546 board[rank][i] = (ChessSquare) pieceType;
5547 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5549 piecesLeft[pieceType]--;
5558 AddOnePiece (Board board, int pieceType, int rank, int shade)
5559 // calculate where the next piece goes, (any empty square), and put it there
5563 i = seed % squaresLeft[shade];
5564 nrOfShuffles *= squaresLeft[shade];
5565 seed /= squaresLeft[shade];
5566 put(board, pieceType, rank, i, shade);
5570 AddTwoPieces (Board board, int pieceType, int rank)
5571 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5573 int i, n=squaresLeft[ANY], j=n-1, k;
5575 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5576 i = seed % k; // pick one
5579 while(i >= j) i -= j--;
5580 j = n - 1 - j; i += j;
5581 put(board, pieceType, rank, j, ANY);
5582 put(board, pieceType, rank, i, ANY);
5586 SetUpShuffle (Board board, int number)
5590 GetPositionNumber(); nrOfShuffles = 1;
5592 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5593 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5594 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5596 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5598 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5599 p = (int) board[0][i];
5600 if(p < (int) BlackPawn) piecesLeft[p] ++;
5601 board[0][i] = EmptySquare;
5604 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5605 // shuffles restricted to allow normal castling put KRR first
5606 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5607 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5608 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5609 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5610 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5611 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5612 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5613 put(board, WhiteRook, 0, 0, ANY);
5614 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5617 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5618 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5619 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5620 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5621 while(piecesLeft[p] >= 2) {
5622 AddOnePiece(board, p, 0, LITE);
5623 AddOnePiece(board, p, 0, DARK);
5625 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5628 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5629 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5630 // but we leave King and Rooks for last, to possibly obey FRC restriction
5631 if(p == (int)WhiteRook) continue;
5632 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5633 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5636 // now everything is placed, except perhaps King (Unicorn) and Rooks
5638 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5639 // Last King gets castling rights
5640 while(piecesLeft[(int)WhiteUnicorn]) {
5641 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5642 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5645 while(piecesLeft[(int)WhiteKing]) {
5646 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5647 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5652 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5653 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5656 // Only Rooks can be left; simply place them all
5657 while(piecesLeft[(int)WhiteRook]) {
5658 i = put(board, WhiteRook, 0, 0, ANY);
5659 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5662 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5664 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5667 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5668 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5671 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5675 SetCharTable (char *table, const char * map)
5676 /* [HGM] moved here from winboard.c because of its general usefulness */
5677 /* Basically a safe strcpy that uses the last character as King */
5679 int result = FALSE; int NrPieces;
5681 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5682 && NrPieces >= 12 && !(NrPieces&1)) {
5683 int i; /* [HGM] Accept even length from 12 to 34 */
5685 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5686 for( i=0; i<NrPieces/2-1; i++ ) {
5688 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5690 table[(int) WhiteKing] = map[NrPieces/2-1];
5691 table[(int) BlackKing] = map[NrPieces-1];
5700 Prelude (Board board)
5701 { // [HGM] superchess: random selection of exo-pieces
5702 int i, j, k; ChessSquare p;
5703 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5705 GetPositionNumber(); // use FRC position number
5707 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5708 SetCharTable(pieceToChar, appData.pieceToCharTable);
5709 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5710 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5713 j = seed%4; seed /= 4;
5714 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5715 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5716 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5717 j = seed%3 + (seed%3 >= j); seed /= 3;
5718 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5719 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5720 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5721 j = seed%3; seed /= 3;
5722 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5723 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5724 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5725 j = seed%2 + (seed%2 >= j); seed /= 2;
5726 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5727 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5728 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5729 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5730 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5731 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5732 put(board, exoPieces[0], 0, 0, ANY);
5733 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5737 InitPosition (int redraw)
5739 ChessSquare (* pieces)[BOARD_FILES];
5740 int i, j, pawnRow, overrule,
5741 oldx = gameInfo.boardWidth,
5742 oldy = gameInfo.boardHeight,
5743 oldh = gameInfo.holdingsWidth;
5746 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5748 /* [AS] Initialize pv info list [HGM] and game status */
5750 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5751 pvInfoList[i].depth = 0;
5752 boards[i][EP_STATUS] = EP_NONE;
5753 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5756 initialRulePlies = 0; /* 50-move counter start */
5758 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5759 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5763 /* [HGM] logic here is completely changed. In stead of full positions */
5764 /* the initialized data only consist of the two backranks. The switch */
5765 /* selects which one we will use, which is than copied to the Board */
5766 /* initialPosition, which for the rest is initialized by Pawns and */
5767 /* empty squares. This initial position is then copied to boards[0], */
5768 /* possibly after shuffling, so that it remains available. */
5770 gameInfo.holdingsWidth = 0; /* default board sizes */
5771 gameInfo.boardWidth = 8;
5772 gameInfo.boardHeight = 8;
5773 gameInfo.holdingsSize = 0;
5774 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5775 for(i=0; i<BOARD_FILES-2; i++)
5776 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5777 initialPosition[EP_STATUS] = EP_NONE;
5778 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5779 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5780 SetCharTable(pieceNickName, appData.pieceNickNames);
5781 else SetCharTable(pieceNickName, "............");
5784 switch (gameInfo.variant) {
5785 case VariantFischeRandom:
5786 shuffleOpenings = TRUE;
5789 case VariantShatranj:
5790 pieces = ShatranjArray;
5791 nrCastlingRights = 0;
5792 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5795 pieces = makrukArray;
5796 nrCastlingRights = 0;
5797 startedFromSetupPosition = TRUE;
5798 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5800 case VariantTwoKings:
5801 pieces = twoKingsArray;
5804 pieces = GrandArray;
5805 nrCastlingRights = 0;
5806 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5807 gameInfo.boardWidth = 10;
5808 gameInfo.boardHeight = 10;
5809 gameInfo.holdingsSize = 7;
5811 case VariantCapaRandom:
5812 shuffleOpenings = TRUE;
5813 case VariantCapablanca:
5814 pieces = CapablancaArray;
5815 gameInfo.boardWidth = 10;
5816 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5819 pieces = GothicArray;
5820 gameInfo.boardWidth = 10;
5821 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5824 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5825 gameInfo.holdingsSize = 7;
5828 pieces = JanusArray;
5829 gameInfo.boardWidth = 10;
5830 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5831 nrCastlingRights = 6;
5832 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5833 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5834 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5835 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5836 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5837 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5840 pieces = FalconArray;
5841 gameInfo.boardWidth = 10;
5842 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5844 case VariantXiangqi:
5845 pieces = XiangqiArray;
5846 gameInfo.boardWidth = 9;
5847 gameInfo.boardHeight = 10;
5848 nrCastlingRights = 0;
5849 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5852 pieces = ShogiArray;
5853 gameInfo.boardWidth = 9;
5854 gameInfo.boardHeight = 9;
5855 gameInfo.holdingsSize = 7;
5856 nrCastlingRights = 0;
5857 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5859 case VariantCourier:
5860 pieces = CourierArray;
5861 gameInfo.boardWidth = 12;
5862 nrCastlingRights = 0;
5863 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5865 case VariantKnightmate:
5866 pieces = KnightmateArray;
5867 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5869 case VariantSpartan:
5870 pieces = SpartanArray;
5871 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5874 pieces = fairyArray;
5875 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5878 pieces = GreatArray;
5879 gameInfo.boardWidth = 10;
5880 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5881 gameInfo.holdingsSize = 8;
5885 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5886 gameInfo.holdingsSize = 8;
5887 startedFromSetupPosition = TRUE;
5889 case VariantCrazyhouse:
5890 case VariantBughouse:
5892 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5893 gameInfo.holdingsSize = 5;
5895 case VariantWildCastle:
5897 /* !!?shuffle with kings guaranteed to be on d or e file */
5898 shuffleOpenings = 1;
5900 case VariantNoCastle:
5902 nrCastlingRights = 0;
5903 /* !!?unconstrained back-rank shuffle */
5904 shuffleOpenings = 1;
5909 if(appData.NrFiles >= 0) {
5910 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5911 gameInfo.boardWidth = appData.NrFiles;
5913 if(appData.NrRanks >= 0) {
5914 gameInfo.boardHeight = appData.NrRanks;
5916 if(appData.holdingsSize >= 0) {
5917 i = appData.holdingsSize;
5918 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5919 gameInfo.holdingsSize = i;
5921 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5922 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5923 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5925 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5926 if(pawnRow < 1) pawnRow = 1;
5927 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5929 /* User pieceToChar list overrules defaults */
5930 if(appData.pieceToCharTable != NULL)
5931 SetCharTable(pieceToChar, appData.pieceToCharTable);
5933 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5935 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5936 s = (ChessSquare) 0; /* account holding counts in guard band */
5937 for( i=0; i<BOARD_HEIGHT; i++ )
5938 initialPosition[i][j] = s;
5940 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5941 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5942 initialPosition[pawnRow][j] = WhitePawn;
5943 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5944 if(gameInfo.variant == VariantXiangqi) {
5946 initialPosition[pawnRow][j] =
5947 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5948 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5949 initialPosition[2][j] = WhiteCannon;
5950 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5954 if(gameInfo.variant == VariantGrand) {
5955 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5956 initialPosition[0][j] = WhiteRook;
5957 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5960 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5962 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5965 initialPosition[1][j] = WhiteBishop;
5966 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5968 initialPosition[1][j] = WhiteRook;
5969 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5972 if( nrCastlingRights == -1) {
5973 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5974 /* This sets default castling rights from none to normal corners */
5975 /* Variants with other castling rights must set them themselves above */
5976 nrCastlingRights = 6;
5978 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5979 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5980 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5981 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5982 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5983 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5986 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5987 if(gameInfo.variant == VariantGreat) { // promotion commoners
5988 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5989 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5990 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5991 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5993 if( gameInfo.variant == VariantSChess ) {
5994 initialPosition[1][0] = BlackMarshall;
5995 initialPosition[2][0] = BlackAngel;
5996 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5997 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5998 initialPosition[1][1] = initialPosition[2][1] =
5999 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6001 if (appData.debugMode) {
6002 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6004 if(shuffleOpenings) {
6005 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6006 startedFromSetupPosition = TRUE;
6008 if(startedFromPositionFile) {
6009 /* [HGM] loadPos: use PositionFile for every new game */
6010 CopyBoard(initialPosition, filePosition);
6011 for(i=0; i<nrCastlingRights; i++)
6012 initialRights[i] = filePosition[CASTLING][i];
6013 startedFromSetupPosition = TRUE;
6016 CopyBoard(boards[0], initialPosition);
6018 if(oldx != gameInfo.boardWidth ||
6019 oldy != gameInfo.boardHeight ||
6020 oldv != gameInfo.variant ||
6021 oldh != gameInfo.holdingsWidth
6023 InitDrawingSizes(-2 ,0);
6025 oldv = gameInfo.variant;
6027 DrawPosition(TRUE, boards[currentMove]);
6031 SendBoard (ChessProgramState *cps, int moveNum)
6033 char message[MSG_SIZ];
6035 if (cps->useSetboard) {
6036 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6037 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6038 SendToProgram(message, cps);
6043 int i, j, left=0, right=BOARD_WIDTH;
6044 /* Kludge to set black to move, avoiding the troublesome and now
6045 * deprecated "black" command.
6047 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6048 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6050 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6052 SendToProgram("edit\n", cps);
6053 SendToProgram("#\n", cps);
6054 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6055 bp = &boards[moveNum][i][left];
6056 for (j = left; j < right; j++, bp++) {
6057 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6058 if ((int) *bp < (int) BlackPawn) {
6059 if(j == BOARD_RGHT+1)
6060 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6061 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6062 if(message[0] == '+' || message[0] == '~') {
6063 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6064 PieceToChar((ChessSquare)(DEMOTED *bp)),
6067 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6068 message[1] = BOARD_RGHT - 1 - j + '1';
6069 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6071 SendToProgram(message, cps);
6076 SendToProgram("c\n", cps);
6077 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6078 bp = &boards[moveNum][i][left];
6079 for (j = left; j < right; j++, bp++) {
6080 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6081 if (((int) *bp != (int) EmptySquare)
6082 && ((int) *bp >= (int) BlackPawn)) {
6083 if(j == BOARD_LEFT-2)
6084 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6085 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6087 if(message[0] == '+' || message[0] == '~') {
6088 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6089 PieceToChar((ChessSquare)(DEMOTED *bp)),
6092 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6093 message[1] = BOARD_RGHT - 1 - j + '1';
6094 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6096 SendToProgram(message, cps);
6101 SendToProgram(".\n", cps);
6103 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6107 DefaultPromoChoice (int white)
6110 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6111 result = WhiteFerz; // no choice
6112 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6113 result= WhiteKing; // in Suicide Q is the last thing we want
6114 else if(gameInfo.variant == VariantSpartan)
6115 result = white ? WhiteQueen : WhiteAngel;
6116 else result = WhiteQueen;
6117 if(!white) result = WHITE_TO_BLACK result;
6121 static int autoQueen; // [HGM] oneclick
6124 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6126 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6127 /* [HGM] add Shogi promotions */
6128 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6133 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6134 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6136 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6137 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6140 piece = boards[currentMove][fromY][fromX];
6141 if(gameInfo.variant == VariantShogi) {
6142 promotionZoneSize = BOARD_HEIGHT/3;
6143 highestPromotingPiece = (int)WhiteFerz;
6144 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6145 promotionZoneSize = 3;
6148 // Treat Lance as Pawn when it is not representing Amazon
6149 if(gameInfo.variant != VariantSuper) {
6150 if(piece == WhiteLance) piece = WhitePawn; else
6151 if(piece == BlackLance) piece = BlackPawn;
6154 // next weed out all moves that do not touch the promotion zone at all
6155 if((int)piece >= BlackPawn) {
6156 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6158 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6160 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6161 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6164 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6166 // weed out mandatory Shogi promotions
6167 if(gameInfo.variant == VariantShogi) {
6168 if(piece >= BlackPawn) {
6169 if(toY == 0 && piece == BlackPawn ||
6170 toY == 0 && piece == BlackQueen ||
6171 toY <= 1 && piece == BlackKnight) {
6176 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6177 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6178 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6185 // weed out obviously illegal Pawn moves
6186 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6187 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6188 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6189 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6190 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6191 // note we are not allowed to test for valid (non-)capture, due to premove
6194 // we either have a choice what to promote to, or (in Shogi) whether to promote
6195 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6196 *promoChoice = PieceToChar(BlackFerz); // no choice
6199 // no sense asking what we must promote to if it is going to explode...
6200 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6201 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6204 // give caller the default choice even if we will not make it
6205 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6206 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6207 if( sweepSelect && gameInfo.variant != VariantGreat
6208 && gameInfo.variant != VariantGrand
6209 && gameInfo.variant != VariantSuper) return FALSE;
6210 if(autoQueen) return FALSE; // predetermined
6212 // suppress promotion popup on illegal moves that are not premoves
6213 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6214 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6215 if(appData.testLegality && !premove) {
6216 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6217 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6218 if(moveType != WhitePromotion && moveType != BlackPromotion)
6226 InPalace (int row, int column)
6227 { /* [HGM] for Xiangqi */
6228 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6229 column < (BOARD_WIDTH + 4)/2 &&
6230 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6235 PieceForSquare (int x, int y)
6237 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6240 return boards[currentMove][y][x];
6244 OKToStartUserMove (int x, int y)
6246 ChessSquare from_piece;
6249 if (matchMode) return FALSE;
6250 if (gameMode == EditPosition) return TRUE;
6252 if (x >= 0 && y >= 0)
6253 from_piece = boards[currentMove][y][x];
6255 from_piece = EmptySquare;
6257 if (from_piece == EmptySquare) return FALSE;
6259 white_piece = (int)from_piece >= (int)WhitePawn &&
6260 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6264 case TwoMachinesPlay:
6272 case MachinePlaysWhite:
6273 case IcsPlayingBlack:
6274 if (appData.zippyPlay) return FALSE;
6276 DisplayMoveError(_("You are playing Black"));
6281 case MachinePlaysBlack:
6282 case IcsPlayingWhite:
6283 if (appData.zippyPlay) return FALSE;
6285 DisplayMoveError(_("You are playing White"));
6290 case PlayFromGameFile:
6291 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6293 if (!white_piece && WhiteOnMove(currentMove)) {
6294 DisplayMoveError(_("It is White's turn"));
6297 if (white_piece && !WhiteOnMove(currentMove)) {
6298 DisplayMoveError(_("It is Black's turn"));
6301 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6302 /* Editing correspondence game history */
6303 /* Could disallow this or prompt for confirmation */
6308 case BeginningOfGame:
6309 if (appData.icsActive) return FALSE;
6310 if (!appData.noChessProgram) {
6312 DisplayMoveError(_("You are playing White"));
6319 if (!white_piece && WhiteOnMove(currentMove)) {
6320 DisplayMoveError(_("It is White's turn"));
6323 if (white_piece && !WhiteOnMove(currentMove)) {
6324 DisplayMoveError(_("It is Black's turn"));
6333 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6334 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6335 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6336 && gameMode != AnalyzeFile && gameMode != Training) {
6337 DisplayMoveError(_("Displayed position is not current"));
6344 OnlyMove (int *x, int *y, Boolean captures)
6346 DisambiguateClosure cl;
6347 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6349 case MachinePlaysBlack:
6350 case IcsPlayingWhite:
6351 case BeginningOfGame:
6352 if(!WhiteOnMove(currentMove)) return FALSE;
6354 case MachinePlaysWhite:
6355 case IcsPlayingBlack:
6356 if(WhiteOnMove(currentMove)) return FALSE;
6363 cl.pieceIn = EmptySquare;
6368 cl.promoCharIn = NULLCHAR;
6369 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6370 if( cl.kind == NormalMove ||
6371 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6372 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6373 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6380 if(cl.kind != ImpossibleMove) return FALSE;
6381 cl.pieceIn = EmptySquare;
6386 cl.promoCharIn = NULLCHAR;
6387 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6388 if( cl.kind == NormalMove ||
6389 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6390 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6391 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6396 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6402 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6403 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6404 int lastLoadGameUseList = FALSE;
6405 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6406 ChessMove lastLoadGameStart = EndOfFile;
6409 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6412 ChessSquare pdown, pup;
6414 /* Check if the user is playing in turn. This is complicated because we
6415 let the user "pick up" a piece before it is his turn. So the piece he
6416 tried to pick up may have been captured by the time he puts it down!
6417 Therefore we use the color the user is supposed to be playing in this
6418 test, not the color of the piece that is currently on the starting
6419 square---except in EditGame mode, where the user is playing both
6420 sides; fortunately there the capture race can't happen. (It can
6421 now happen in IcsExamining mode, but that's just too bad. The user
6422 will get a somewhat confusing message in that case.)
6427 case TwoMachinesPlay:
6431 /* We switched into a game mode where moves are not accepted,
6432 perhaps while the mouse button was down. */
6435 case MachinePlaysWhite:
6436 /* User is moving for Black */
6437 if (WhiteOnMove(currentMove)) {
6438 DisplayMoveError(_("It is White's turn"));
6443 case MachinePlaysBlack:
6444 /* User is moving for White */
6445 if (!WhiteOnMove(currentMove)) {
6446 DisplayMoveError(_("It is Black's turn"));
6451 case PlayFromGameFile:
6452 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6455 case BeginningOfGame:
6458 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6459 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6460 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6461 /* User is moving for Black */
6462 if (WhiteOnMove(currentMove)) {
6463 DisplayMoveError(_("It is White's turn"));
6467 /* User is moving for White */
6468 if (!WhiteOnMove(currentMove)) {
6469 DisplayMoveError(_("It is Black's turn"));
6475 case IcsPlayingBlack:
6476 /* User is moving for Black */
6477 if (WhiteOnMove(currentMove)) {
6478 if (!appData.premove) {
6479 DisplayMoveError(_("It is White's turn"));
6480 } else if (toX >= 0 && toY >= 0) {
6483 premoveFromX = fromX;
6484 premoveFromY = fromY;
6485 premovePromoChar = promoChar;
6487 if (appData.debugMode)
6488 fprintf(debugFP, "Got premove: fromX %d,"
6489 "fromY %d, toX %d, toY %d\n",
6490 fromX, fromY, toX, toY);
6496 case IcsPlayingWhite:
6497 /* User is moving for White */
6498 if (!WhiteOnMove(currentMove)) {
6499 if (!appData.premove) {
6500 DisplayMoveError(_("It is Black's turn"));
6501 } else if (toX >= 0 && toY >= 0) {
6504 premoveFromX = fromX;
6505 premoveFromY = fromY;
6506 premovePromoChar = promoChar;
6508 if (appData.debugMode)
6509 fprintf(debugFP, "Got premove: fromX %d,"
6510 "fromY %d, toX %d, toY %d\n",
6511 fromX, fromY, toX, toY);
6521 /* EditPosition, empty square, or different color piece;
6522 click-click move is possible */
6523 if (toX == -2 || toY == -2) {
6524 boards[0][fromY][fromX] = EmptySquare;
6525 DrawPosition(FALSE, boards[currentMove]);
6527 } else if (toX >= 0 && toY >= 0) {
6528 boards[0][toY][toX] = boards[0][fromY][fromX];
6529 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6530 if(boards[0][fromY][0] != EmptySquare) {
6531 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6532 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6535 if(fromX == BOARD_RGHT+1) {
6536 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6537 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6538 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6541 boards[0][fromY][fromX] = EmptySquare;
6542 DrawPosition(FALSE, boards[currentMove]);
6548 if(toX < 0 || toY < 0) return;
6549 pdown = boards[currentMove][fromY][fromX];
6550 pup = boards[currentMove][toY][toX];
6552 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6553 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6554 if( pup != EmptySquare ) return;
6555 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6556 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6557 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6558 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6559 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6560 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6561 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6565 /* [HGM] always test for legality, to get promotion info */
6566 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6567 fromY, fromX, toY, toX, promoChar);
6569 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6571 /* [HGM] but possibly ignore an IllegalMove result */
6572 if (appData.testLegality) {
6573 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6574 DisplayMoveError(_("Illegal move"));
6579 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6582 /* Common tail of UserMoveEvent and DropMenuEvent */
6584 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6588 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6589 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6590 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6591 if(WhiteOnMove(currentMove)) {
6592 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6594 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6598 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6599 move type in caller when we know the move is a legal promotion */
6600 if(moveType == NormalMove && promoChar)
6601 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6603 /* [HGM] <popupFix> The following if has been moved here from
6604 UserMoveEvent(). Because it seemed to belong here (why not allow
6605 piece drops in training games?), and because it can only be
6606 performed after it is known to what we promote. */
6607 if (gameMode == Training) {
6608 /* compare the move played on the board to the next move in the
6609 * game. If they match, display the move and the opponent's response.
6610 * If they don't match, display an error message.
6614 CopyBoard(testBoard, boards[currentMove]);
6615 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6617 if (CompareBoards(testBoard, boards[currentMove+1])) {
6618 ForwardInner(currentMove+1);
6620 /* Autoplay the opponent's response.
6621 * if appData.animate was TRUE when Training mode was entered,
6622 * the response will be animated.
6624 saveAnimate = appData.animate;
6625 appData.animate = animateTraining;
6626 ForwardInner(currentMove+1);
6627 appData.animate = saveAnimate;
6629 /* check for the end of the game */
6630 if (currentMove >= forwardMostMove) {
6631 gameMode = PlayFromGameFile;
6633 SetTrainingModeOff();
6634 DisplayInformation(_("End of game"));
6637 DisplayError(_("Incorrect move"), 0);
6642 /* Ok, now we know that the move is good, so we can kill
6643 the previous line in Analysis Mode */
6644 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6645 && currentMove < forwardMostMove) {
6646 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6647 else forwardMostMove = currentMove;
6650 /* If we need the chess program but it's dead, restart it */
6651 ResurrectChessProgram();
6653 /* A user move restarts a paused game*/
6657 thinkOutput[0] = NULLCHAR;
6659 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6661 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6662 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6666 if (gameMode == BeginningOfGame) {
6667 if (appData.noChessProgram) {
6668 gameMode = EditGame;
6672 gameMode = MachinePlaysBlack;
6675 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6677 if (first.sendName) {
6678 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6679 SendToProgram(buf, &first);
6686 /* Relay move to ICS or chess engine */
6687 if (appData.icsActive) {
6688 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6689 gameMode == IcsExamining) {
6690 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6691 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6693 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6695 // also send plain move, in case ICS does not understand atomic claims
6696 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6700 if (first.sendTime && (gameMode == BeginningOfGame ||
6701 gameMode == MachinePlaysWhite ||
6702 gameMode == MachinePlaysBlack)) {
6703 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6705 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6706 // [HGM] book: if program might be playing, let it use book
6707 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6708 first.maybeThinking = TRUE;
6709 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6710 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6711 SendBoard(&first, currentMove+1);
6712 } else SendMoveToProgram(forwardMostMove-1, &first);
6713 if (currentMove == cmailOldMove + 1) {
6714 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6718 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6722 if(appData.testLegality)
6723 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6729 if (WhiteOnMove(currentMove)) {
6730 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6732 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6736 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6741 case MachinePlaysBlack:
6742 case MachinePlaysWhite:
6743 /* disable certain menu options while machine is thinking */
6744 SetMachineThinkingEnables();
6751 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6752 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6754 if(bookHit) { // [HGM] book: simulate book reply
6755 static char bookMove[MSG_SIZ]; // a bit generous?
6757 programStats.nodes = programStats.depth = programStats.time =
6758 programStats.score = programStats.got_only_move = 0;
6759 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6761 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6762 strcat(bookMove, bookHit);
6763 HandleMachineMove(bookMove, &first);
6769 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6771 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6772 Markers *m = (Markers *) closure;
6773 if(rf == fromY && ff == fromX)
6774 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6775 || kind == WhiteCapturesEnPassant
6776 || kind == BlackCapturesEnPassant);
6777 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6781 MarkTargetSquares (int clear)
6784 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6785 !appData.testLegality || gameMode == EditPosition) return;
6787 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6790 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6791 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6792 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6794 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6797 DrawPosition(TRUE, NULL);
6801 Explode (Board board, int fromX, int fromY, int toX, int toY)
6803 if(gameInfo.variant == VariantAtomic &&
6804 (board[toY][toX] != EmptySquare || // capture?
6805 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6806 board[fromY][fromX] == BlackPawn )
6808 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6814 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6817 CanPromote (ChessSquare piece, int y)
6819 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6820 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6821 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6822 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6823 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6824 gameInfo.variant == VariantMakruk) return FALSE;
6825 return (piece == BlackPawn && y == 1 ||
6826 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6827 piece == BlackLance && y == 1 ||
6828 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6832 LeftClick (ClickType clickType, int xPix, int yPix)
6835 Boolean saveAnimate;
6836 static int second = 0, promotionChoice = 0, clearFlag = 0;
6837 char promoChoice = NULLCHAR;
6840 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
6842 if (clickType == Press) ErrorPopDown();
6844 x = EventToSquare(xPix, BOARD_WIDTH);
6845 y = EventToSquare(yPix, BOARD_HEIGHT);
6846 if (!flipView && y >= 0) {
6847 y = BOARD_HEIGHT - 1 - y;
6849 if (flipView && x >= 0) {
6850 x = BOARD_WIDTH - 1 - x;
6853 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6854 defaultPromoChoice = promoSweep;
6855 promoSweep = EmptySquare; // terminate sweep
6856 promoDefaultAltered = TRUE;
6857 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6860 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6861 if(clickType == Release) return; // ignore upclick of click-click destination
6862 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6863 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6864 if(gameInfo.holdingsWidth &&
6865 (WhiteOnMove(currentMove)
6866 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6867 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6868 // click in right holdings, for determining promotion piece
6869 ChessSquare p = boards[currentMove][y][x];
6870 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6871 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6872 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6873 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6878 DrawPosition(FALSE, boards[currentMove]);
6882 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6883 if(clickType == Press
6884 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6885 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6886 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6889 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6890 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6892 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6893 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6894 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6895 defaultPromoChoice = DefaultPromoChoice(side);
6898 autoQueen = appData.alwaysPromoteToQueen;
6902 gatingPiece = EmptySquare;
6903 if (clickType != Press) {
6904 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6905 DragPieceEnd(xPix, yPix); dragging = 0;
6906 DrawPosition(FALSE, NULL);
6910 fromX = x; fromY = y; toX = toY = -1;
6911 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6912 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6913 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6915 if (OKToStartUserMove(fromX, fromY)) {
6917 MarkTargetSquares(0);
6918 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6919 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6920 promoSweep = defaultPromoChoice;
6921 selectFlag = 0; lastX = xPix; lastY = yPix;
6922 Sweep(0); // Pawn that is going to promote: preview promotion piece
6923 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6925 if (appData.highlightDragging) {
6926 SetHighlights(fromX, fromY, -1, -1);
6928 } else fromX = fromY = -1;
6934 if (clickType == Press && gameMode != EditPosition) {
6939 // ignore off-board to clicks
6940 if(y < 0 || x < 0) return;
6942 /* Check if clicking again on the same color piece */
6943 fromP = boards[currentMove][fromY][fromX];
6944 toP = boards[currentMove][y][x];
6945 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6946 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6947 WhitePawn <= toP && toP <= WhiteKing &&
6948 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6949 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6950 (BlackPawn <= fromP && fromP <= BlackKing &&
6951 BlackPawn <= toP && toP <= BlackKing &&
6952 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6953 !(fromP == BlackKing && toP == BlackRook && frc))) {
6954 /* Clicked again on same color piece -- changed his mind */
6955 second = (x == fromX && y == fromY);
6956 promoDefaultAltered = FALSE;
6957 MarkTargetSquares(1);
6958 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6959 if (appData.highlightDragging) {
6960 SetHighlights(x, y, -1, -1);
6964 if (OKToStartUserMove(x, y)) {
6965 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6966 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6967 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6968 gatingPiece = boards[currentMove][fromY][fromX];
6969 else gatingPiece = EmptySquare;
6971 fromY = y; dragging = 1;
6972 MarkTargetSquares(0);
6973 DragPieceBegin(xPix, yPix, FALSE);
6974 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6975 promoSweep = defaultPromoChoice;
6976 selectFlag = 0; lastX = xPix; lastY = yPix;
6977 Sweep(0); // Pawn that is going to promote: preview promotion piece
6981 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6984 // ignore clicks on holdings
6985 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6988 if (clickType == Release && x == fromX && y == fromY) {
6989 DragPieceEnd(xPix, yPix); dragging = 0;
6991 // a deferred attempt to click-click move an empty square on top of a piece
6992 boards[currentMove][y][x] = EmptySquare;
6994 DrawPosition(FALSE, boards[currentMove]);
6995 fromX = fromY = -1; clearFlag = 0;
6998 if (appData.animateDragging) {
6999 /* Undo animation damage if any */
7000 DrawPosition(FALSE, NULL);
7003 /* Second up/down in same square; just abort move */
7006 gatingPiece = EmptySquare;
7009 ClearPremoveHighlights();
7011 /* First upclick in same square; start click-click mode */
7012 SetHighlights(x, y, -1, -1);
7019 /* we now have a different from- and (possibly off-board) to-square */
7020 /* Completed move */
7023 saveAnimate = appData.animate;
7024 MarkTargetSquares(1);
7025 if (clickType == Press) {
7026 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7027 // must be Edit Position mode with empty-square selected
7028 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7029 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7032 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7033 ChessSquare piece = boards[currentMove][fromY][fromX];
7034 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7035 promoSweep = defaultPromoChoice;
7036 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7037 selectFlag = 0; lastX = xPix; lastY = yPix;
7038 Sweep(0); // Pawn that is going to promote: preview promotion piece
7039 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7040 DrawPosition(FALSE, boards[currentMove]);
7043 /* Finish clickclick move */
7044 if (appData.animate || appData.highlightLastMove) {
7045 SetHighlights(fromX, fromY, toX, toY);
7050 /* Finish drag move */
7051 if (appData.highlightLastMove) {
7052 SetHighlights(fromX, fromY, toX, toY);
7056 DragPieceEnd(xPix, yPix); dragging = 0;
7057 /* Don't animate move and drag both */
7058 appData.animate = FALSE;
7061 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7062 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7063 ChessSquare piece = boards[currentMove][fromY][fromX];
7064 if(gameMode == EditPosition && piece != EmptySquare &&
7065 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7068 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7069 n = PieceToNumber(piece - (int)BlackPawn);
7070 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7071 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7072 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7074 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7075 n = PieceToNumber(piece);
7076 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7077 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7078 boards[currentMove][n][BOARD_WIDTH-2]++;
7080 boards[currentMove][fromY][fromX] = EmptySquare;
7084 DrawPosition(TRUE, boards[currentMove]);
7088 // off-board moves should not be highlighted
7089 if(x < 0 || y < 0) ClearHighlights();
7091 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7093 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7094 SetHighlights(fromX, fromY, toX, toY);
7095 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7096 // [HGM] super: promotion to captured piece selected from holdings
7097 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7098 promotionChoice = TRUE;
7099 // kludge follows to temporarily execute move on display, without promoting yet
7100 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7101 boards[currentMove][toY][toX] = p;
7102 DrawPosition(FALSE, boards[currentMove]);
7103 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7104 boards[currentMove][toY][toX] = q;
7105 DisplayMessage("Click in holdings to choose piece", "");
7110 int oldMove = currentMove;
7111 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7112 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7113 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7114 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7115 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7116 DrawPosition(TRUE, boards[currentMove]);
7119 appData.animate = saveAnimate;
7120 if (appData.animate || appData.animateDragging) {
7121 /* Undo animation damage if needed */
7122 DrawPosition(FALSE, NULL);
7127 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7128 { // front-end-free part taken out of PieceMenuPopup
7129 int whichMenu; int xSqr, ySqr;
7131 if(seekGraphUp) { // [HGM] seekgraph
7132 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7133 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7137 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7138 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7139 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7140 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7141 if(action == Press) {
7142 originalFlip = flipView;
7143 flipView = !flipView; // temporarily flip board to see game from partners perspective
7144 DrawPosition(TRUE, partnerBoard);
7145 DisplayMessage(partnerStatus, "");
7147 } else if(action == Release) {
7148 flipView = originalFlip;
7149 DrawPosition(TRUE, boards[currentMove]);
7155 xSqr = EventToSquare(x, BOARD_WIDTH);
7156 ySqr = EventToSquare(y, BOARD_HEIGHT);
7157 if (action == Release) {
7158 if(pieceSweep != EmptySquare) {
7159 EditPositionMenuEvent(pieceSweep, toX, toY);
7160 pieceSweep = EmptySquare;
7161 } else UnLoadPV(); // [HGM] pv
7163 if (action != Press) return -2; // return code to be ignored
7166 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7168 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7169 if (xSqr < 0 || ySqr < 0) return -1;
7170 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7171 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7172 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7173 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7177 if(!appData.icsEngineAnalyze) return -1;
7178 case IcsPlayingWhite:
7179 case IcsPlayingBlack:
7180 if(!appData.zippyPlay) goto noZip;
7183 case MachinePlaysWhite:
7184 case MachinePlaysBlack:
7185 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7186 if (!appData.dropMenu) {
7188 return 2; // flag front-end to grab mouse events
7190 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7191 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7194 if (xSqr < 0 || ySqr < 0) return -1;
7195 if (!appData.dropMenu || appData.testLegality &&
7196 gameInfo.variant != VariantBughouse &&
7197 gameInfo.variant != VariantCrazyhouse) return -1;
7198 whichMenu = 1; // drop menu
7204 if (((*fromX = xSqr) < 0) ||
7205 ((*fromY = ySqr) < 0)) {
7206 *fromX = *fromY = -1;
7210 *fromX = BOARD_WIDTH - 1 - *fromX;
7212 *fromY = BOARD_HEIGHT - 1 - *fromY;
7218 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7220 // char * hint = lastHint;
7221 FrontEndProgramStats stats;
7223 stats.which = cps == &first ? 0 : 1;
7224 stats.depth = cpstats->depth;
7225 stats.nodes = cpstats->nodes;
7226 stats.score = cpstats->score;
7227 stats.time = cpstats->time;
7228 stats.pv = cpstats->movelist;
7229 stats.hint = lastHint;
7230 stats.an_move_index = 0;
7231 stats.an_move_count = 0;
7233 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7234 stats.hint = cpstats->move_name;
7235 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7236 stats.an_move_count = cpstats->nr_moves;
7239 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
7241 SetProgramStats( &stats );
7245 ClearEngineOutputPane (int which)
7247 static FrontEndProgramStats dummyStats;
7248 dummyStats.which = which;
7249 dummyStats.pv = "#";
7250 SetProgramStats( &dummyStats );
7253 #define MAXPLAYERS 500
7256 TourneyStandings (int display)
7258 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7259 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7260 char result, *p, *names[MAXPLAYERS];
7262 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7263 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7264 names[0] = p = strdup(appData.participants);
7265 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7267 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7269 while(result = appData.results[nr]) {
7270 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7271 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7272 wScore = bScore = 0;
7274 case '+': wScore = 2; break;
7275 case '-': bScore = 2; break;
7276 case '=': wScore = bScore = 1; break;
7278 case '*': return strdup("busy"); // tourney not finished
7286 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7287 for(w=0; w<nPlayers; w++) {
7289 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7290 ranking[w] = b; points[w] = bScore; score[b] = -2;
7292 p = malloc(nPlayers*34+1);
7293 for(w=0; w<nPlayers && w<display; w++)
7294 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7300 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7301 { // count all piece types
7303 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7304 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7305 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7308 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7309 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7310 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7311 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7312 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7313 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7318 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7320 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7321 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7323 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7324 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7325 if(myPawns == 2 && nMine == 3) // KPP
7326 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7327 if(myPawns == 1 && nMine == 2) // KP
7328 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7329 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7330 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7331 if(myPawns) return FALSE;
7332 if(pCnt[WhiteRook+side])
7333 return pCnt[BlackRook-side] ||
7334 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7335 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7336 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7337 if(pCnt[WhiteCannon+side]) {
7338 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7339 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7341 if(pCnt[WhiteKnight+side])
7342 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7347 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7349 VariantClass v = gameInfo.variant;
7351 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7352 if(v == VariantShatranj) return TRUE; // always winnable through baring
7353 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7354 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7356 if(v == VariantXiangqi) {
7357 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7359 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7360 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7361 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7362 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7363 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7364 if(stale) // we have at least one last-rank P plus perhaps C
7365 return majors // KPKX
7366 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7368 return pCnt[WhiteFerz+side] // KCAK
7369 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7370 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7371 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7373 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7374 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7376 if(nMine == 1) return FALSE; // bare King
7377 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
7378 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7379 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7380 // by now we have King + 1 piece (or multiple Bishops on the same color)
7381 if(pCnt[WhiteKnight+side])
7382 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7383 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7384 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7386 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7387 if(pCnt[WhiteAlfil+side])
7388 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7389 if(pCnt[WhiteWazir+side])
7390 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7397 CompareWithRights (Board b1, Board b2)
7400 if(!CompareBoards(b1, b2)) return FALSE;
7401 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7402 /* compare castling rights */
7403 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7404 rights++; /* King lost rights, while rook still had them */
7405 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7406 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7407 rights++; /* but at least one rook lost them */
7409 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7411 if( b1[CASTLING][5] != NoRights ) {
7412 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7419 Adjudicate (ChessProgramState *cps)
7420 { // [HGM] some adjudications useful with buggy engines
7421 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7422 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7423 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7424 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7425 int k, count = 0; static int bare = 1;
7426 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7427 Boolean canAdjudicate = !appData.icsActive;
7429 // most tests only when we understand the game, i.e. legality-checking on
7430 if( appData.testLegality )
7431 { /* [HGM] Some more adjudications for obstinate engines */
7432 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7433 static int moveCount = 6;
7435 char *reason = NULL;
7437 /* Count what is on board. */
7438 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7440 /* Some material-based adjudications that have to be made before stalemate test */
7441 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7442 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7443 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7444 if(canAdjudicate && appData.checkMates) {
7446 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7447 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7448 "Xboard adjudication: King destroyed", GE_XBOARD );
7453 /* Bare King in Shatranj (loses) or Losers (wins) */
7454 if( nrW == 1 || nrB == 1) {
7455 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7456 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7457 if(canAdjudicate && appData.checkMates) {
7459 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7460 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7461 "Xboard adjudication: Bare king", GE_XBOARD );
7465 if( gameInfo.variant == VariantShatranj && --bare < 0)
7467 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7468 if(canAdjudicate && appData.checkMates) {
7469 /* but only adjudicate if adjudication enabled */
7471 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7472 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7473 "Xboard adjudication: Bare king", GE_XBOARD );
7480 // don't wait for engine to announce game end if we can judge ourselves
7481 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7483 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7484 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7485 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7486 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7489 reason = "Xboard adjudication: 3rd check";
7490 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7500 reason = "Xboard adjudication: Stalemate";
7501 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7502 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7503 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7504 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7505 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7506 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7507 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7508 EP_CHECKMATE : EP_WINS);
7509 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7510 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7514 reason = "Xboard adjudication: Checkmate";
7515 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7519 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7521 result = GameIsDrawn; break;
7523 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7525 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7529 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7531 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7532 GameEnds( result, reason, GE_XBOARD );
7536 /* Next absolutely insufficient mating material. */
7537 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7538 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7539 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7541 /* always flag draws, for judging claims */
7542 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7544 if(canAdjudicate && appData.materialDraws) {
7545 /* but only adjudicate them if adjudication enabled */
7546 if(engineOpponent) {
7547 SendToProgram("force\n", engineOpponent); // suppress reply
7548 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7550 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7555 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7556 if(gameInfo.variant == VariantXiangqi ?
7557 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7559 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7560 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7561 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7562 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7564 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7565 { /* if the first 3 moves do not show a tactical win, declare draw */
7566 if(engineOpponent) {
7567 SendToProgram("force\n", engineOpponent); // suppress reply
7568 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7570 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7573 } else moveCount = 6;
7576 // Repetition draws and 50-move rule can be applied independently of legality testing
7578 /* Check for rep-draws */
7580 for(k = forwardMostMove-2;
7581 k>=backwardMostMove && k>=forwardMostMove-100 &&
7582 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7583 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7586 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7587 /* compare castling rights */
7588 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7589 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7590 rights++; /* King lost rights, while rook still had them */
7591 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7592 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7593 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7594 rights++; /* but at least one rook lost them */
7596 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7597 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7599 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7600 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7601 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7604 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7605 && appData.drawRepeats > 1) {
7606 /* adjudicate after user-specified nr of repeats */
7607 int result = GameIsDrawn;
7608 char *details = "XBoard adjudication: repetition draw";
7609 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7610 // [HGM] xiangqi: check for forbidden perpetuals
7611 int m, ourPerpetual = 1, hisPerpetual = 1;
7612 for(m=forwardMostMove; m>k; m-=2) {
7613 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7614 ourPerpetual = 0; // the current mover did not always check
7615 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7616 hisPerpetual = 0; // the opponent did not always check
7618 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7619 ourPerpetual, hisPerpetual);
7620 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7621 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7622 details = "Xboard adjudication: perpetual checking";
7624 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7625 break; // (or we would have caught him before). Abort repetition-checking loop.
7627 // Now check for perpetual chases
7628 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7629 hisPerpetual = PerpetualChase(k, forwardMostMove);
7630 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7631 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7632 static char resdet[MSG_SIZ];
7633 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7635 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7637 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7638 break; // Abort repetition-checking loop.
7640 // if neither of us is checking or chasing all the time, or both are, it is draw
7642 if(engineOpponent) {
7643 SendToProgram("force\n", engineOpponent); // suppress reply
7644 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7646 GameEnds( result, details, GE_XBOARD );
7649 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7650 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7654 /* Now we test for 50-move draws. Determine ply count */
7655 count = forwardMostMove;
7656 /* look for last irreversble move */
7657 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7659 /* if we hit starting position, add initial plies */
7660 if( count == backwardMostMove )
7661 count -= initialRulePlies;
7662 count = forwardMostMove - count;
7663 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7664 // adjust reversible move counter for checks in Xiangqi
7665 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7666 if(i < backwardMostMove) i = backwardMostMove;
7667 while(i <= forwardMostMove) {
7668 lastCheck = inCheck; // check evasion does not count
7669 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7670 if(inCheck || lastCheck) count--; // check does not count
7675 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7676 /* this is used to judge if draw claims are legal */
7677 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7678 if(engineOpponent) {
7679 SendToProgram("force\n", engineOpponent); // suppress reply
7680 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7682 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7686 /* if draw offer is pending, treat it as a draw claim
7687 * when draw condition present, to allow engines a way to
7688 * claim draws before making their move to avoid a race
7689 * condition occurring after their move
7691 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7693 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7694 p = "Draw claim: 50-move rule";
7695 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7696 p = "Draw claim: 3-fold repetition";
7697 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7698 p = "Draw claim: insufficient mating material";
7699 if( p != NULL && canAdjudicate) {
7700 if(engineOpponent) {
7701 SendToProgram("force\n", engineOpponent); // suppress reply
7702 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7704 GameEnds( GameIsDrawn, p, GE_XBOARD );
7709 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7710 if(engineOpponent) {
7711 SendToProgram("force\n", engineOpponent); // suppress reply
7712 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7714 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7721 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7722 { // [HGM] book: this routine intercepts moves to simulate book replies
7723 char *bookHit = NULL;
7725 //first determine if the incoming move brings opponent into his book
7726 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7727 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7728 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7729 if(bookHit != NULL && !cps->bookSuspend) {
7730 // make sure opponent is not going to reply after receiving move to book position
7731 SendToProgram("force\n", cps);
7732 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7734 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7735 // now arrange restart after book miss
7737 // after a book hit we never send 'go', and the code after the call to this routine
7738 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7739 char buf[MSG_SIZ], *move = bookHit;
7741 int fromX, fromY, toX, toY;
7745 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7746 &fromX, &fromY, &toX, &toY, &promoChar)) {
7747 (void) CoordsToAlgebraic(boards[forwardMostMove],
7748 PosFlags(forwardMostMove),
7749 fromY, fromX, toY, toX, promoChar, move);
7751 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7755 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7756 SendToProgram(buf, cps);
7757 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7758 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7759 SendToProgram("go\n", cps);
7760 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7761 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7762 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7763 SendToProgram("go\n", cps);
7764 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7766 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7770 ChessProgramState *savedState;
7772 DeferredBookMove (void)
7774 if(savedState->lastPing != savedState->lastPong)
7775 ScheduleDelayedEvent(DeferredBookMove, 10);
7777 HandleMachineMove(savedMessage, savedState);
7780 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7783 HandleMachineMove (char *message, ChessProgramState *cps)
7785 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7786 char realname[MSG_SIZ];
7787 int fromX, fromY, toX, toY;
7794 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7795 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7796 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7797 DisplayError(_("Invalid pairing from pairing engine"), 0);
7800 pairingReceived = 1;
7802 return; // Skim the pairing messages here.
7807 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7809 * Kludge to ignore BEL characters
7811 while (*message == '\007') message++;
7814 * [HGM] engine debug message: ignore lines starting with '#' character
7816 if(cps->debug && *message == '#') return;
7819 * Look for book output
7821 if (cps == &first && bookRequested) {
7822 if (message[0] == '\t' || message[0] == ' ') {
7823 /* Part of the book output is here; append it */
7824 strcat(bookOutput, message);
7825 strcat(bookOutput, " \n");
7827 } else if (bookOutput[0] != NULLCHAR) {
7828 /* All of book output has arrived; display it */
7829 char *p = bookOutput;
7830 while (*p != NULLCHAR) {
7831 if (*p == '\t') *p = ' ';
7834 DisplayInformation(bookOutput);
7835 bookRequested = FALSE;
7836 /* Fall through to parse the current output */
7841 * Look for machine move.
7843 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7844 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7846 /* This method is only useful on engines that support ping */
7847 if (cps->lastPing != cps->lastPong) {
7848 if (gameMode == BeginningOfGame) {
7849 /* Extra move from before last new; ignore */
7850 if (appData.debugMode) {
7851 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7854 if (appData.debugMode) {
7855 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7856 cps->which, gameMode);
7859 SendToProgram("undo\n", cps);
7865 case BeginningOfGame:
7866 /* Extra move from before last reset; ignore */
7867 if (appData.debugMode) {
7868 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7875 /* Extra move after we tried to stop. The mode test is
7876 not a reliable way of detecting this problem, but it's
7877 the best we can do on engines that don't support ping.
7879 if (appData.debugMode) {
7880 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7881 cps->which, gameMode);
7883 SendToProgram("undo\n", cps);
7886 case MachinePlaysWhite:
7887 case IcsPlayingWhite:
7888 machineWhite = TRUE;
7891 case MachinePlaysBlack:
7892 case IcsPlayingBlack:
7893 machineWhite = FALSE;
7896 case TwoMachinesPlay:
7897 machineWhite = (cps->twoMachinesColor[0] == 'w');
7900 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7901 if (appData.debugMode) {
7903 "Ignoring move out of turn by %s, gameMode %d"
7904 ", forwardMost %d\n",
7905 cps->which, gameMode, forwardMostMove);
7910 if(cps->alphaRank) AlphaRank(machineMove, 4);
7911 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7912 &fromX, &fromY, &toX, &toY, &promoChar)) {
7913 /* Machine move could not be parsed; ignore it. */
7914 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7915 machineMove, _(cps->which));
7916 DisplayError(buf1, 0);
7917 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7918 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7919 if (gameMode == TwoMachinesPlay) {
7920 GameEnds(machineWhite ? BlackWins : WhiteWins,
7926 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7927 /* So we have to redo legality test with true e.p. status here, */
7928 /* to make sure an illegal e.p. capture does not slip through, */
7929 /* to cause a forfeit on a justified illegal-move complaint */
7930 /* of the opponent. */
7931 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7933 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7934 fromY, fromX, toY, toX, promoChar);
7935 if(moveType == IllegalMove) {
7936 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7937 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7938 GameEnds(machineWhite ? BlackWins : WhiteWins,
7941 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7942 /* [HGM] Kludge to handle engines that send FRC-style castling
7943 when they shouldn't (like TSCP-Gothic) */
7945 case WhiteASideCastleFR:
7946 case BlackASideCastleFR:
7948 currentMoveString[2]++;
7950 case WhiteHSideCastleFR:
7951 case BlackHSideCastleFR:
7953 currentMoveString[2]--;
7955 default: ; // nothing to do, but suppresses warning of pedantic compilers
7958 hintRequested = FALSE;
7959 lastHint[0] = NULLCHAR;
7960 bookRequested = FALSE;
7961 /* Program may be pondering now */
7962 cps->maybeThinking = TRUE;
7963 if (cps->sendTime == 2) cps->sendTime = 1;
7964 if (cps->offeredDraw) cps->offeredDraw--;
7966 /* [AS] Save move info*/
7967 pvInfoList[ forwardMostMove ].score = programStats.score;
7968 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7969 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7971 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7973 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7974 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7977 while( count < adjudicateLossPlies ) {
7978 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7981 score = -score; /* Flip score for winning side */
7984 if( score > adjudicateLossThreshold ) {
7991 if( count >= adjudicateLossPlies ) {
7992 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7994 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7995 "Xboard adjudication",
8002 if(Adjudicate(cps)) {
8003 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8004 return; // [HGM] adjudicate: for all automatic game ends
8008 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8010 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8011 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8013 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8015 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8017 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8018 char buf[3*MSG_SIZ];
8020 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8021 programStats.score / 100.,
8023 programStats.time / 100.,
8024 (unsigned int)programStats.nodes,
8025 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8026 programStats.movelist);
8028 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8033 /* [AS] Clear stats for next move */
8034 ClearProgramStats();
8035 thinkOutput[0] = NULLCHAR;
8036 hiddenThinkOutputState = 0;
8039 if (gameMode == TwoMachinesPlay) {
8040 /* [HGM] relaying draw offers moved to after reception of move */
8041 /* and interpreting offer as claim if it brings draw condition */
8042 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8043 SendToProgram("draw\n", cps->other);
8045 if (cps->other->sendTime) {
8046 SendTimeRemaining(cps->other,
8047 cps->other->twoMachinesColor[0] == 'w');
8049 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8050 if (firstMove && !bookHit) {
8052 if (cps->other->useColors) {
8053 SendToProgram(cps->other->twoMachinesColor, cps->other);
8055 SendToProgram("go\n", cps->other);
8057 cps->other->maybeThinking = TRUE;
8060 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8062 if (!pausing && appData.ringBellAfterMoves) {
8067 * Reenable menu items that were disabled while
8068 * machine was thinking
8070 if (gameMode != TwoMachinesPlay)
8071 SetUserThinkingEnables();
8073 // [HGM] book: after book hit opponent has received move and is now in force mode
8074 // force the book reply into it, and then fake that it outputted this move by jumping
8075 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8077 static char bookMove[MSG_SIZ]; // a bit generous?
8079 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8080 strcat(bookMove, bookHit);
8083 programStats.nodes = programStats.depth = programStats.time =
8084 programStats.score = programStats.got_only_move = 0;
8085 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8087 if(cps->lastPing != cps->lastPong) {
8088 savedMessage = message; // args for deferred call
8090 ScheduleDelayedEvent(DeferredBookMove, 10);
8099 /* Set special modes for chess engines. Later something general
8100 * could be added here; for now there is just one kludge feature,
8101 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8102 * when "xboard" is given as an interactive command.
8104 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8105 cps->useSigint = FALSE;
8106 cps->useSigterm = FALSE;
8108 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8109 ParseFeatures(message+8, cps);
8110 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8113 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8114 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8115 int dummy, s=6; char buf[MSG_SIZ];
8116 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8117 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8118 if(startedFromSetupPosition) return;
8119 ParseFEN(boards[0], &dummy, message+s);
8120 DrawPosition(TRUE, boards[0]);
8121 startedFromSetupPosition = TRUE;
8124 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8125 * want this, I was asked to put it in, and obliged.
8127 if (!strncmp(message, "setboard ", 9)) {
8128 Board initial_position;
8130 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8132 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8133 DisplayError(_("Bad FEN received from engine"), 0);
8137 CopyBoard(boards[0], initial_position);
8138 initialRulePlies = FENrulePlies;
8139 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8140 else gameMode = MachinePlaysBlack;
8141 DrawPosition(FALSE, boards[currentMove]);
8147 * Look for communication commands
8149 if (!strncmp(message, "telluser ", 9)) {
8150 if(message[9] == '\\' && message[10] == '\\')
8151 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8153 DisplayNote(message + 9);
8156 if (!strncmp(message, "tellusererror ", 14)) {
8158 if(message[14] == '\\' && message[15] == '\\')
8159 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8161 DisplayError(message + 14, 0);
8164 if (!strncmp(message, "tellopponent ", 13)) {
8165 if (appData.icsActive) {
8167 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8171 DisplayNote(message + 13);
8175 if (!strncmp(message, "tellothers ", 11)) {
8176 if (appData.icsActive) {
8178 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8184 if (!strncmp(message, "tellall ", 8)) {
8185 if (appData.icsActive) {
8187 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8191 DisplayNote(message + 8);
8195 if (strncmp(message, "warning", 7) == 0) {
8196 /* Undocumented feature, use tellusererror in new code */
8197 DisplayError(message, 0);
8200 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8201 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8202 strcat(realname, " query");
8203 AskQuestion(realname, buf2, buf1, cps->pr);
8206 /* Commands from the engine directly to ICS. We don't allow these to be
8207 * sent until we are logged on. Crafty kibitzes have been known to
8208 * interfere with the login process.
8211 if (!strncmp(message, "tellics ", 8)) {
8212 SendToICS(message + 8);
8216 if (!strncmp(message, "tellicsnoalias ", 15)) {
8217 SendToICS(ics_prefix);
8218 SendToICS(message + 15);
8222 /* The following are for backward compatibility only */
8223 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8224 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8225 SendToICS(ics_prefix);
8231 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8235 * If the move is illegal, cancel it and redraw the board.
8236 * Also deal with other error cases. Matching is rather loose
8237 * here to accommodate engines written before the spec.
8239 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8240 strncmp(message, "Error", 5) == 0) {
8241 if (StrStr(message, "name") ||
8242 StrStr(message, "rating") || StrStr(message, "?") ||
8243 StrStr(message, "result") || StrStr(message, "board") ||
8244 StrStr(message, "bk") || StrStr(message, "computer") ||
8245 StrStr(message, "variant") || StrStr(message, "hint") ||
8246 StrStr(message, "random") || StrStr(message, "depth") ||
8247 StrStr(message, "accepted")) {
8250 if (StrStr(message, "protover")) {
8251 /* Program is responding to input, so it's apparently done
8252 initializing, and this error message indicates it is
8253 protocol version 1. So we don't need to wait any longer
8254 for it to initialize and send feature commands. */
8255 FeatureDone(cps, 1);
8256 cps->protocolVersion = 1;
8259 cps->maybeThinking = FALSE;
8261 if (StrStr(message, "draw")) {
8262 /* Program doesn't have "draw" command */
8263 cps->sendDrawOffers = 0;
8266 if (cps->sendTime != 1 &&
8267 (StrStr(message, "time") || StrStr(message, "otim"))) {
8268 /* Program apparently doesn't have "time" or "otim" command */
8272 if (StrStr(message, "analyze")) {
8273 cps->analysisSupport = FALSE;
8274 cps->analyzing = FALSE;
8275 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8276 EditGameEvent(); // [HGM] try to preserve loaded game
8277 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8278 DisplayError(buf2, 0);
8281 if (StrStr(message, "(no matching move)st")) {
8282 /* Special kludge for GNU Chess 4 only */
8283 cps->stKludge = TRUE;
8284 SendTimeControl(cps, movesPerSession, timeControl,
8285 timeIncrement, appData.searchDepth,
8289 if (StrStr(message, "(no matching move)sd")) {
8290 /* Special kludge for GNU Chess 4 only */
8291 cps->sdKludge = TRUE;
8292 SendTimeControl(cps, movesPerSession, timeControl,
8293 timeIncrement, appData.searchDepth,
8297 if (!StrStr(message, "llegal")) {
8300 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8301 gameMode == IcsIdle) return;
8302 if (forwardMostMove <= backwardMostMove) return;
8303 if (pausing) PauseEvent();
8304 if(appData.forceIllegal) {
8305 // [HGM] illegal: machine refused move; force position after move into it
8306 SendToProgram("force\n", cps);
8307 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8308 // we have a real problem now, as SendBoard will use the a2a3 kludge
8309 // when black is to move, while there might be nothing on a2 or black
8310 // might already have the move. So send the board as if white has the move.
8311 // But first we must change the stm of the engine, as it refused the last move
8312 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8313 if(WhiteOnMove(forwardMostMove)) {
8314 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8315 SendBoard(cps, forwardMostMove); // kludgeless board
8317 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8318 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8319 SendBoard(cps, forwardMostMove+1); // kludgeless board
8321 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8322 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8323 gameMode == TwoMachinesPlay)
8324 SendToProgram("go\n", cps);
8327 if (gameMode == PlayFromGameFile) {
8328 /* Stop reading this game file */
8329 gameMode = EditGame;
8332 /* [HGM] illegal-move claim should forfeit game when Xboard */
8333 /* only passes fully legal moves */
8334 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8335 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8336 "False illegal-move claim", GE_XBOARD );
8337 return; // do not take back move we tested as valid
8339 currentMove = forwardMostMove-1;
8340 DisplayMove(currentMove-1); /* before DisplayMoveError */
8341 SwitchClocks(forwardMostMove-1); // [HGM] race
8342 DisplayBothClocks();
8343 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8344 parseList[currentMove], _(cps->which));
8345 DisplayMoveError(buf1);
8346 DrawPosition(FALSE, boards[currentMove]);
8348 SetUserThinkingEnables();
8351 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8352 /* Program has a broken "time" command that
8353 outputs a string not ending in newline.
8359 * If chess program startup fails, exit with an error message.
8360 * Attempts to recover here are futile.
8362 if ((StrStr(message, "unknown host") != NULL)
8363 || (StrStr(message, "No remote directory") != NULL)
8364 || (StrStr(message, "not found") != NULL)
8365 || (StrStr(message, "No such file") != NULL)
8366 || (StrStr(message, "can't alloc") != NULL)
8367 || (StrStr(message, "Permission denied") != NULL)) {
8369 cps->maybeThinking = FALSE;
8370 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8371 _(cps->which), cps->program, cps->host, message);
8372 RemoveInputSource(cps->isr);
8373 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8374 if(cps == &first) appData.noChessProgram = TRUE;
8375 DisplayError(buf1, 0);
8381 * Look for hint output
8383 if (sscanf(message, "Hint: %s", buf1) == 1) {
8384 if (cps == &first && hintRequested) {
8385 hintRequested = FALSE;
8386 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8387 &fromX, &fromY, &toX, &toY, &promoChar)) {
8388 (void) CoordsToAlgebraic(boards[forwardMostMove],
8389 PosFlags(forwardMostMove),
8390 fromY, fromX, toY, toX, promoChar, buf1);
8391 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8392 DisplayInformation(buf2);
8394 /* Hint move could not be parsed!? */
8395 snprintf(buf2, sizeof(buf2),
8396 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8397 buf1, _(cps->which));
8398 DisplayError(buf2, 0);
8401 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8407 * Ignore other messages if game is not in progress
8409 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8410 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8413 * look for win, lose, draw, or draw offer
8415 if (strncmp(message, "1-0", 3) == 0) {
8416 char *p, *q, *r = "";
8417 p = strchr(message, '{');
8425 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8427 } else if (strncmp(message, "0-1", 3) == 0) {
8428 char *p, *q, *r = "";
8429 p = strchr(message, '{');
8437 /* Kludge for Arasan 4.1 bug */
8438 if (strcmp(r, "Black resigns") == 0) {
8439 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8442 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8444 } else if (strncmp(message, "1/2", 3) == 0) {
8445 char *p, *q, *r = "";
8446 p = strchr(message, '{');
8455 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8458 } else if (strncmp(message, "White resign", 12) == 0) {
8459 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8461 } else if (strncmp(message, "Black resign", 12) == 0) {
8462 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8464 } else if (strncmp(message, "White matches", 13) == 0 ||
8465 strncmp(message, "Black matches", 13) == 0 ) {
8466 /* [HGM] ignore GNUShogi noises */
8468 } else if (strncmp(message, "White", 5) == 0 &&
8469 message[5] != '(' &&
8470 StrStr(message, "Black") == NULL) {
8471 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8473 } else if (strncmp(message, "Black", 5) == 0 &&
8474 message[5] != '(') {
8475 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8477 } else if (strcmp(message, "resign") == 0 ||
8478 strcmp(message, "computer resigns") == 0) {
8480 case MachinePlaysBlack:
8481 case IcsPlayingBlack:
8482 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8484 case MachinePlaysWhite:
8485 case IcsPlayingWhite:
8486 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8488 case TwoMachinesPlay:
8489 if (cps->twoMachinesColor[0] == 'w')
8490 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8492 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8499 } else if (strncmp(message, "opponent mates", 14) == 0) {
8501 case MachinePlaysBlack:
8502 case IcsPlayingBlack:
8503 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8505 case MachinePlaysWhite:
8506 case IcsPlayingWhite:
8507 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8509 case TwoMachinesPlay:
8510 if (cps->twoMachinesColor[0] == 'w')
8511 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8513 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8520 } else if (strncmp(message, "computer mates", 14) == 0) {
8522 case MachinePlaysBlack:
8523 case IcsPlayingBlack:
8524 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8526 case MachinePlaysWhite:
8527 case IcsPlayingWhite:
8528 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8530 case TwoMachinesPlay:
8531 if (cps->twoMachinesColor[0] == 'w')
8532 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8534 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8541 } else if (strncmp(message, "checkmate", 9) == 0) {
8542 if (WhiteOnMove(forwardMostMove)) {
8543 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8545 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8548 } else if (strstr(message, "Draw") != NULL ||
8549 strstr(message, "game is a draw") != NULL) {
8550 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8552 } else if (strstr(message, "offer") != NULL &&
8553 strstr(message, "draw") != NULL) {
8555 if (appData.zippyPlay && first.initDone) {
8556 /* Relay offer to ICS */
8557 SendToICS(ics_prefix);
8558 SendToICS("draw\n");
8561 cps->offeredDraw = 2; /* valid until this engine moves twice */
8562 if (gameMode == TwoMachinesPlay) {
8563 if (cps->other->offeredDraw) {
8564 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8565 /* [HGM] in two-machine mode we delay relaying draw offer */
8566 /* until after we also have move, to see if it is really claim */
8568 } else if (gameMode == MachinePlaysWhite ||
8569 gameMode == MachinePlaysBlack) {
8570 if (userOfferedDraw) {
8571 DisplayInformation(_("Machine accepts your draw offer"));
8572 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8574 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8581 * Look for thinking output
8583 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8584 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8586 int plylev, mvleft, mvtot, curscore, time;
8587 char mvname[MOVE_LEN];
8591 int prefixHint = FALSE;
8592 mvname[0] = NULLCHAR;
8595 case MachinePlaysBlack:
8596 case IcsPlayingBlack:
8597 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8599 case MachinePlaysWhite:
8600 case IcsPlayingWhite:
8601 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8606 case IcsObserving: /* [DM] icsEngineAnalyze */
8607 if (!appData.icsEngineAnalyze) ignore = TRUE;
8609 case TwoMachinesPlay:
8610 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8620 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8622 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8623 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8625 if (plyext != ' ' && plyext != '\t') {
8629 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8630 if( cps->scoreIsAbsolute &&
8631 ( gameMode == MachinePlaysBlack ||
8632 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8633 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8634 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8635 !WhiteOnMove(currentMove)
8638 curscore = -curscore;
8641 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8643 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8646 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8647 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8648 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8649 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8650 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8651 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8653 } else DisplayError(_("failed writing PV"), 0);
8656 tempStats.depth = plylev;
8657 tempStats.nodes = nodes;
8658 tempStats.time = time;
8659 tempStats.score = curscore;
8660 tempStats.got_only_move = 0;
8662 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8665 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8666 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8667 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8668 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8669 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8670 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8671 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8672 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8675 /* Buffer overflow protection */
8676 if (pv[0] != NULLCHAR) {
8677 if (strlen(pv) >= sizeof(tempStats.movelist)
8678 && appData.debugMode) {
8680 "PV is too long; using the first %u bytes.\n",
8681 (unsigned) sizeof(tempStats.movelist) - 1);
8684 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8686 sprintf(tempStats.movelist, " no PV\n");
8689 if (tempStats.seen_stat) {
8690 tempStats.ok_to_send = 1;
8693 if (strchr(tempStats.movelist, '(') != NULL) {
8694 tempStats.line_is_book = 1;
8695 tempStats.nr_moves = 0;
8696 tempStats.moves_left = 0;
8698 tempStats.line_is_book = 0;
8701 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8702 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8704 SendProgramStatsToFrontend( cps, &tempStats );
8707 [AS] Protect the thinkOutput buffer from overflow... this
8708 is only useful if buf1 hasn't overflowed first!
8710 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8712 (gameMode == TwoMachinesPlay ?
8713 ToUpper(cps->twoMachinesColor[0]) : ' '),
8714 ((double) curscore) / 100.0,
8715 prefixHint ? lastHint : "",
8716 prefixHint ? " " : "" );
8718 if( buf1[0] != NULLCHAR ) {
8719 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8721 if( strlen(pv) > max_len ) {
8722 if( appData.debugMode) {
8723 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8725 pv[max_len+1] = '\0';
8728 strcat( thinkOutput, pv);
8731 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8732 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8733 DisplayMove(currentMove - 1);
8737 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8738 /* crafty (9.25+) says "(only move) <move>"
8739 * if there is only 1 legal move
8741 sscanf(p, "(only move) %s", buf1);
8742 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8743 sprintf(programStats.movelist, "%s (only move)", buf1);
8744 programStats.depth = 1;
8745 programStats.nr_moves = 1;
8746 programStats.moves_left = 1;
8747 programStats.nodes = 1;
8748 programStats.time = 1;
8749 programStats.got_only_move = 1;
8751 /* Not really, but we also use this member to
8752 mean "line isn't going to change" (Crafty
8753 isn't searching, so stats won't change) */
8754 programStats.line_is_book = 1;
8756 SendProgramStatsToFrontend( cps, &programStats );
8758 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8759 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8760 DisplayMove(currentMove - 1);
8763 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8764 &time, &nodes, &plylev, &mvleft,
8765 &mvtot, mvname) >= 5) {
8766 /* The stat01: line is from Crafty (9.29+) in response
8767 to the "." command */
8768 programStats.seen_stat = 1;
8769 cps->maybeThinking = TRUE;
8771 if (programStats.got_only_move || !appData.periodicUpdates)
8774 programStats.depth = plylev;
8775 programStats.time = time;
8776 programStats.nodes = nodes;
8777 programStats.moves_left = mvleft;
8778 programStats.nr_moves = mvtot;
8779 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8780 programStats.ok_to_send = 1;
8781 programStats.movelist[0] = '\0';
8783 SendProgramStatsToFrontend( cps, &programStats );
8787 } else if (strncmp(message,"++",2) == 0) {
8788 /* Crafty 9.29+ outputs this */
8789 programStats.got_fail = 2;
8792 } else if (strncmp(message,"--",2) == 0) {
8793 /* Crafty 9.29+ outputs this */
8794 programStats.got_fail = 1;
8797 } else if (thinkOutput[0] != NULLCHAR &&
8798 strncmp(message, " ", 4) == 0) {
8799 unsigned message_len;
8802 while (*p && *p == ' ') p++;
8804 message_len = strlen( p );
8806 /* [AS] Avoid buffer overflow */
8807 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8808 strcat(thinkOutput, " ");
8809 strcat(thinkOutput, p);
8812 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8813 strcat(programStats.movelist, " ");
8814 strcat(programStats.movelist, p);
8817 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8818 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8819 DisplayMove(currentMove - 1);
8827 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8828 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8830 ChessProgramStats cpstats;
8832 if (plyext != ' ' && plyext != '\t') {
8836 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8837 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8838 curscore = -curscore;
8841 cpstats.depth = plylev;
8842 cpstats.nodes = nodes;
8843 cpstats.time = time;
8844 cpstats.score = curscore;
8845 cpstats.got_only_move = 0;
8846 cpstats.movelist[0] = '\0';
8848 if (buf1[0] != NULLCHAR) {
8849 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8852 cpstats.ok_to_send = 0;
8853 cpstats.line_is_book = 0;
8854 cpstats.nr_moves = 0;
8855 cpstats.moves_left = 0;
8857 SendProgramStatsToFrontend( cps, &cpstats );
8864 /* Parse a game score from the character string "game", and
8865 record it as the history of the current game. The game
8866 score is NOT assumed to start from the standard position.
8867 The display is not updated in any way.
8870 ParseGameHistory (char *game)
8873 int fromX, fromY, toX, toY, boardIndex;
8878 if (appData.debugMode)
8879 fprintf(debugFP, "Parsing game history: %s\n", game);
8881 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8882 gameInfo.site = StrSave(appData.icsHost);
8883 gameInfo.date = PGNDate();
8884 gameInfo.round = StrSave("-");
8886 /* Parse out names of players */
8887 while (*game == ' ') game++;
8889 while (*game != ' ') *p++ = *game++;
8891 gameInfo.white = StrSave(buf);
8892 while (*game == ' ') game++;
8894 while (*game != ' ' && *game != '\n') *p++ = *game++;
8896 gameInfo.black = StrSave(buf);
8899 boardIndex = blackPlaysFirst ? 1 : 0;
8902 yyboardindex = boardIndex;
8903 moveType = (ChessMove) Myylex();
8905 case IllegalMove: /* maybe suicide chess, etc. */
8906 if (appData.debugMode) {
8907 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8908 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8909 setbuf(debugFP, NULL);
8911 case WhitePromotion:
8912 case BlackPromotion:
8913 case WhiteNonPromotion:
8914 case BlackNonPromotion:
8916 case WhiteCapturesEnPassant:
8917 case BlackCapturesEnPassant:
8918 case WhiteKingSideCastle:
8919 case WhiteQueenSideCastle:
8920 case BlackKingSideCastle:
8921 case BlackQueenSideCastle:
8922 case WhiteKingSideCastleWild:
8923 case WhiteQueenSideCastleWild:
8924 case BlackKingSideCastleWild:
8925 case BlackQueenSideCastleWild:
8927 case WhiteHSideCastleFR:
8928 case WhiteASideCastleFR:
8929 case BlackHSideCastleFR:
8930 case BlackASideCastleFR:
8932 fromX = currentMoveString[0] - AAA;
8933 fromY = currentMoveString[1] - ONE;
8934 toX = currentMoveString[2] - AAA;
8935 toY = currentMoveString[3] - ONE;
8936 promoChar = currentMoveString[4];
8940 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8941 fromX = moveType == WhiteDrop ?
8942 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8943 (int) CharToPiece(ToLower(currentMoveString[0]));
8945 toX = currentMoveString[2] - AAA;
8946 toY = currentMoveString[3] - ONE;
8947 promoChar = NULLCHAR;
8951 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8952 if (appData.debugMode) {
8953 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8954 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8955 setbuf(debugFP, NULL);
8957 DisplayError(buf, 0);
8959 case ImpossibleMove:
8961 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8962 if (appData.debugMode) {
8963 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8964 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8965 setbuf(debugFP, NULL);
8967 DisplayError(buf, 0);
8970 if (boardIndex < backwardMostMove) {
8971 /* Oops, gap. How did that happen? */
8972 DisplayError(_("Gap in move list"), 0);
8975 backwardMostMove = blackPlaysFirst ? 1 : 0;
8976 if (boardIndex > forwardMostMove) {
8977 forwardMostMove = boardIndex;
8981 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8982 strcat(parseList[boardIndex-1], " ");
8983 strcat(parseList[boardIndex-1], yy_text);
8995 case GameUnfinished:
8996 if (gameMode == IcsExamining) {
8997 if (boardIndex < backwardMostMove) {
8998 /* Oops, gap. How did that happen? */
9001 backwardMostMove = blackPlaysFirst ? 1 : 0;
9004 gameInfo.result = moveType;
9005 p = strchr(yy_text, '{');
9006 if (p == NULL) p = strchr(yy_text, '(');
9009 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9011 q = strchr(p, *p == '{' ? '}' : ')');
9012 if (q != NULL) *q = NULLCHAR;
9015 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9016 gameInfo.resultDetails = StrSave(p);
9019 if (boardIndex >= forwardMostMove &&
9020 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9021 backwardMostMove = blackPlaysFirst ? 1 : 0;
9024 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9025 fromY, fromX, toY, toX, promoChar,
9026 parseList[boardIndex]);
9027 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9028 /* currentMoveString is set as a side-effect of yylex */
9029 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9030 strcat(moveList[boardIndex], "\n");
9032 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9033 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9039 if(gameInfo.variant != VariantShogi)
9040 strcat(parseList[boardIndex - 1], "+");
9044 strcat(parseList[boardIndex - 1], "#");
9051 /* Apply a move to the given board */
9053 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9055 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9056 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9058 /* [HGM] compute & store e.p. status and castling rights for new position */
9059 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9061 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9062 oldEP = (signed char)board[EP_STATUS];
9063 board[EP_STATUS] = EP_NONE;
9065 if (fromY == DROP_RANK) {
9067 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9068 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9071 piece = board[toY][toX] = (ChessSquare) fromX;
9075 if( board[toY][toX] != EmptySquare )
9076 board[EP_STATUS] = EP_CAPTURE;
9078 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9079 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9080 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9082 if( board[fromY][fromX] == WhitePawn ) {
9083 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9084 board[EP_STATUS] = EP_PAWN_MOVE;
9086 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9087 gameInfo.variant != VariantBerolina || toX < fromX)
9088 board[EP_STATUS] = toX | berolina;
9089 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9090 gameInfo.variant != VariantBerolina || toX > fromX)
9091 board[EP_STATUS] = toX;
9094 if( board[fromY][fromX] == BlackPawn ) {
9095 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9096 board[EP_STATUS] = EP_PAWN_MOVE;
9097 if( toY-fromY== -2) {
9098 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9099 gameInfo.variant != VariantBerolina || toX < fromX)
9100 board[EP_STATUS] = toX | berolina;
9101 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9102 gameInfo.variant != VariantBerolina || toX > fromX)
9103 board[EP_STATUS] = toX;
9107 for(i=0; i<nrCastlingRights; i++) {
9108 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9109 board[CASTLING][i] == toX && castlingRank[i] == toY
9110 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9113 if (fromX == toX && fromY == toY) return;
9115 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9116 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9117 if(gameInfo.variant == VariantKnightmate)
9118 king += (int) WhiteUnicorn - (int) WhiteKing;
9120 /* Code added by Tord: */
9121 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9122 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9123 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9124 board[fromY][fromX] = EmptySquare;
9125 board[toY][toX] = EmptySquare;
9126 if((toX > fromX) != (piece == WhiteRook)) {
9127 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9129 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9131 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9132 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9133 board[fromY][fromX] = EmptySquare;
9134 board[toY][toX] = EmptySquare;
9135 if((toX > fromX) != (piece == BlackRook)) {
9136 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9138 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9140 /* End of code added by Tord */
9142 } else if (board[fromY][fromX] == king
9143 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9144 && toY == fromY && toX > fromX+1) {
9145 board[fromY][fromX] = EmptySquare;
9146 board[toY][toX] = king;
9147 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9148 board[fromY][BOARD_RGHT-1] = EmptySquare;
9149 } else if (board[fromY][fromX] == king
9150 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9151 && toY == fromY && toX < fromX-1) {
9152 board[fromY][fromX] = EmptySquare;
9153 board[toY][toX] = king;
9154 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9155 board[fromY][BOARD_LEFT] = EmptySquare;
9156 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9157 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9158 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9160 /* white pawn promotion */
9161 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9162 if(gameInfo.variant==VariantBughouse ||
9163 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9164 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9165 board[fromY][fromX] = EmptySquare;
9166 } else if ((fromY >= BOARD_HEIGHT>>1)
9168 && gameInfo.variant != VariantXiangqi
9169 && gameInfo.variant != VariantBerolina
9170 && (board[fromY][fromX] == WhitePawn)
9171 && (board[toY][toX] == EmptySquare)) {
9172 board[fromY][fromX] = EmptySquare;
9173 board[toY][toX] = WhitePawn;
9174 captured = board[toY - 1][toX];
9175 board[toY - 1][toX] = EmptySquare;
9176 } else if ((fromY == BOARD_HEIGHT-4)
9178 && gameInfo.variant == VariantBerolina
9179 && (board[fromY][fromX] == WhitePawn)
9180 && (board[toY][toX] == EmptySquare)) {
9181 board[fromY][fromX] = EmptySquare;
9182 board[toY][toX] = WhitePawn;
9183 if(oldEP & EP_BEROLIN_A) {
9184 captured = board[fromY][fromX-1];
9185 board[fromY][fromX-1] = EmptySquare;
9186 }else{ captured = board[fromY][fromX+1];
9187 board[fromY][fromX+1] = EmptySquare;
9189 } else if (board[fromY][fromX] == king
9190 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9191 && toY == fromY && toX > fromX+1) {
9192 board[fromY][fromX] = EmptySquare;
9193 board[toY][toX] = king;
9194 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9195 board[fromY][BOARD_RGHT-1] = EmptySquare;
9196 } else if (board[fromY][fromX] == king
9197 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9198 && toY == fromY && toX < fromX-1) {
9199 board[fromY][fromX] = EmptySquare;
9200 board[toY][toX] = king;
9201 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9202 board[fromY][BOARD_LEFT] = EmptySquare;
9203 } else if (fromY == 7 && fromX == 3
9204 && board[fromY][fromX] == BlackKing
9205 && toY == 7 && toX == 5) {
9206 board[fromY][fromX] = EmptySquare;
9207 board[toY][toX] = BlackKing;
9208 board[fromY][7] = EmptySquare;
9209 board[toY][4] = BlackRook;
9210 } else if (fromY == 7 && fromX == 3
9211 && board[fromY][fromX] == BlackKing
9212 && toY == 7 && toX == 1) {
9213 board[fromY][fromX] = EmptySquare;
9214 board[toY][toX] = BlackKing;
9215 board[fromY][0] = EmptySquare;
9216 board[toY][2] = BlackRook;
9217 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9218 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9219 && toY < promoRank && promoChar
9221 /* black pawn promotion */
9222 board[toY][toX] = CharToPiece(ToLower(promoChar));
9223 if(gameInfo.variant==VariantBughouse ||
9224 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9225 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9226 board[fromY][fromX] = EmptySquare;
9227 } else if ((fromY < BOARD_HEIGHT>>1)
9229 && gameInfo.variant != VariantXiangqi
9230 && gameInfo.variant != VariantBerolina
9231 && (board[fromY][fromX] == BlackPawn)
9232 && (board[toY][toX] == EmptySquare)) {
9233 board[fromY][fromX] = EmptySquare;
9234 board[toY][toX] = BlackPawn;
9235 captured = board[toY + 1][toX];
9236 board[toY + 1][toX] = EmptySquare;
9237 } else if ((fromY == 3)
9239 && gameInfo.variant == VariantBerolina
9240 && (board[fromY][fromX] == BlackPawn)
9241 && (board[toY][toX] == EmptySquare)) {
9242 board[fromY][fromX] = EmptySquare;
9243 board[toY][toX] = BlackPawn;
9244 if(oldEP & EP_BEROLIN_A) {
9245 captured = board[fromY][fromX-1];
9246 board[fromY][fromX-1] = EmptySquare;
9247 }else{ captured = board[fromY][fromX+1];
9248 board[fromY][fromX+1] = EmptySquare;
9251 board[toY][toX] = board[fromY][fromX];
9252 board[fromY][fromX] = EmptySquare;
9256 if (gameInfo.holdingsWidth != 0) {
9258 /* !!A lot more code needs to be written to support holdings */
9259 /* [HGM] OK, so I have written it. Holdings are stored in the */
9260 /* penultimate board files, so they are automaticlly stored */
9261 /* in the game history. */
9262 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9263 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9264 /* Delete from holdings, by decreasing count */
9265 /* and erasing image if necessary */
9266 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9267 if(p < (int) BlackPawn) { /* white drop */
9268 p -= (int)WhitePawn;
9269 p = PieceToNumber((ChessSquare)p);
9270 if(p >= gameInfo.holdingsSize) p = 0;
9271 if(--board[p][BOARD_WIDTH-2] <= 0)
9272 board[p][BOARD_WIDTH-1] = EmptySquare;
9273 if((int)board[p][BOARD_WIDTH-2] < 0)
9274 board[p][BOARD_WIDTH-2] = 0;
9275 } else { /* black drop */
9276 p -= (int)BlackPawn;
9277 p = PieceToNumber((ChessSquare)p);
9278 if(p >= gameInfo.holdingsSize) p = 0;
9279 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9280 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9281 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9282 board[BOARD_HEIGHT-1-p][1] = 0;
9285 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9286 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9287 /* [HGM] holdings: Add to holdings, if holdings exist */
9288 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9289 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9290 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9293 if (p >= (int) BlackPawn) {
9294 p -= (int)BlackPawn;
9295 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9296 /* in Shogi restore piece to its original first */
9297 captured = (ChessSquare) (DEMOTED captured);
9300 p = PieceToNumber((ChessSquare)p);
9301 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9302 board[p][BOARD_WIDTH-2]++;
9303 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9305 p -= (int)WhitePawn;
9306 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9307 captured = (ChessSquare) (DEMOTED captured);
9310 p = PieceToNumber((ChessSquare)p);
9311 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9312 board[BOARD_HEIGHT-1-p][1]++;
9313 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9316 } else if (gameInfo.variant == VariantAtomic) {
9317 if (captured != EmptySquare) {
9319 for (y = toY-1; y <= toY+1; y++) {
9320 for (x = toX-1; x <= toX+1; x++) {
9321 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9322 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9323 board[y][x] = EmptySquare;
9327 board[toY][toX] = EmptySquare;
9330 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9331 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9333 if(promoChar == '+') {
9334 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9335 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9336 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9337 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9339 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9340 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9341 // [HGM] superchess: take promotion piece out of holdings
9342 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9343 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9344 if(!--board[k][BOARD_WIDTH-2])
9345 board[k][BOARD_WIDTH-1] = EmptySquare;
9347 if(!--board[BOARD_HEIGHT-1-k][1])
9348 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9354 /* Updates forwardMostMove */
9356 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9358 // forwardMostMove++; // [HGM] bare: moved downstream
9360 (void) CoordsToAlgebraic(boards[forwardMostMove],
9361 PosFlags(forwardMostMove),
9362 fromY, fromX, toY, toX, promoChar,
9363 parseList[forwardMostMove]);
9365 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9366 int timeLeft; static int lastLoadFlag=0; int king, piece;
9367 piece = boards[forwardMostMove][fromY][fromX];
9368 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9369 if(gameInfo.variant == VariantKnightmate)
9370 king += (int) WhiteUnicorn - (int) WhiteKing;
9371 if(forwardMostMove == 0) {
9372 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9373 fprintf(serverMoves, "%s;", UserName());
9374 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9375 fprintf(serverMoves, "%s;", second.tidy);
9376 fprintf(serverMoves, "%s;", first.tidy);
9377 if(gameMode == MachinePlaysWhite)
9378 fprintf(serverMoves, "%s;", UserName());
9379 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9380 fprintf(serverMoves, "%s;", second.tidy);
9381 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9382 lastLoadFlag = loadFlag;
9384 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9385 // print castling suffix
9386 if( toY == fromY && piece == king ) {
9388 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9390 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9393 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9394 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9395 boards[forwardMostMove][toY][toX] == EmptySquare
9396 && fromX != toX && fromY != toY)
9397 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9399 if(promoChar != NULLCHAR)
9400 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9402 char buf[MOVE_LEN*2], *p; int len;
9403 fprintf(serverMoves, "/%d/%d",
9404 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9405 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9406 else timeLeft = blackTimeRemaining/1000;
9407 fprintf(serverMoves, "/%d", timeLeft);
9408 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9409 if(p = strchr(buf, '=')) *p = NULLCHAR;
9410 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9411 fprintf(serverMoves, "/%s", buf);
9413 fflush(serverMoves);
9416 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9417 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9420 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9421 if (commentList[forwardMostMove+1] != NULL) {
9422 free(commentList[forwardMostMove+1]);
9423 commentList[forwardMostMove+1] = NULL;
9425 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9426 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9427 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9428 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9429 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9430 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9431 adjustedClock = FALSE;
9432 gameInfo.result = GameUnfinished;
9433 if (gameInfo.resultDetails != NULL) {
9434 free(gameInfo.resultDetails);
9435 gameInfo.resultDetails = NULL;
9437 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9438 moveList[forwardMostMove - 1]);
9439 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9445 if(gameInfo.variant != VariantShogi)
9446 strcat(parseList[forwardMostMove - 1], "+");
9450 strcat(parseList[forwardMostMove - 1], "#");
9456 /* Updates currentMove if not pausing */
9458 ShowMove (int fromX, int fromY, int toX, int toY)
9460 int instant = (gameMode == PlayFromGameFile) ?
9461 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9462 if(appData.noGUI) return;
9463 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9465 if (forwardMostMove == currentMove + 1) {
9466 AnimateMove(boards[forwardMostMove - 1],
9467 fromX, fromY, toX, toY);
9469 if (appData.highlightLastMove) {
9470 SetHighlights(fromX, fromY, toX, toY);
9473 currentMove = forwardMostMove;
9476 if (instant) return;
9478 DisplayMove(currentMove - 1);
9479 DrawPosition(FALSE, boards[currentMove]);
9480 DisplayBothClocks();
9481 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9485 SendEgtPath (ChessProgramState *cps)
9486 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9487 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9489 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9492 char c, *q = name+1, *r, *s;
9494 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9495 while(*p && *p != ',') *q++ = *p++;
9497 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9498 strcmp(name, ",nalimov:") == 0 ) {
9499 // take nalimov path from the menu-changeable option first, if it is defined
9500 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9501 SendToProgram(buf,cps); // send egtbpath command for nalimov
9503 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9504 (s = StrStr(appData.egtFormats, name)) != NULL) {
9505 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9506 s = r = StrStr(s, ":") + 1; // beginning of path info
9507 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9508 c = *r; *r = 0; // temporarily null-terminate path info
9509 *--q = 0; // strip of trailig ':' from name
9510 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9512 SendToProgram(buf,cps); // send egtbpath command for this format
9514 if(*p == ',') p++; // read away comma to position for next format name
9519 InitChessProgram (ChessProgramState *cps, int setup)
9520 /* setup needed to setup FRC opening position */
9522 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9523 if (appData.noChessProgram) return;
9524 hintRequested = FALSE;
9525 bookRequested = FALSE;
9527 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9528 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9529 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9530 if(cps->memSize) { /* [HGM] memory */
9531 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9532 SendToProgram(buf, cps);
9534 SendEgtPath(cps); /* [HGM] EGT */
9535 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9536 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9537 SendToProgram(buf, cps);
9540 SendToProgram(cps->initString, cps);
9541 if (gameInfo.variant != VariantNormal &&
9542 gameInfo.variant != VariantLoadable
9543 /* [HGM] also send variant if board size non-standard */
9544 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9546 char *v = VariantName(gameInfo.variant);
9547 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9548 /* [HGM] in protocol 1 we have to assume all variants valid */
9549 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9550 DisplayFatalError(buf, 0, 1);
9554 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9555 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9556 if( gameInfo.variant == VariantXiangqi )
9557 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9558 if( gameInfo.variant == VariantShogi )
9559 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9560 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9561 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9562 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9563 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9564 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9565 if( gameInfo.variant == VariantCourier )
9566 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9567 if( gameInfo.variant == VariantSuper )
9568 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9569 if( gameInfo.variant == VariantGreat )
9570 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9571 if( gameInfo.variant == VariantSChess )
9572 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9573 if( gameInfo.variant == VariantGrand )
9574 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9577 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9578 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9579 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9580 if(StrStr(cps->variants, b) == NULL) {
9581 // specific sized variant not known, check if general sizing allowed
9582 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9583 if(StrStr(cps->variants, "boardsize") == NULL) {
9584 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9585 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9586 DisplayFatalError(buf, 0, 1);
9589 /* [HGM] here we really should compare with the maximum supported board size */
9592 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9593 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9594 SendToProgram(buf, cps);
9596 currentlyInitializedVariant = gameInfo.variant;
9598 /* [HGM] send opening position in FRC to first engine */
9600 SendToProgram("force\n", cps);
9602 /* engine is now in force mode! Set flag to wake it up after first move. */
9603 setboardSpoiledMachineBlack = 1;
9607 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9608 SendToProgram(buf, cps);
9610 cps->maybeThinking = FALSE;
9611 cps->offeredDraw = 0;
9612 if (!appData.icsActive) {
9613 SendTimeControl(cps, movesPerSession, timeControl,
9614 timeIncrement, appData.searchDepth,
9617 if (appData.showThinking
9618 // [HGM] thinking: four options require thinking output to be sent
9619 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9621 SendToProgram("post\n", cps);
9623 SendToProgram("hard\n", cps);
9624 if (!appData.ponderNextMove) {
9625 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9626 it without being sure what state we are in first. "hard"
9627 is not a toggle, so that one is OK.
9629 SendToProgram("easy\n", cps);
9632 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9633 SendToProgram(buf, cps);
9635 cps->initDone = TRUE;
9636 ClearEngineOutputPane(cps == &second);
9641 StartChessProgram (ChessProgramState *cps)
9646 if (appData.noChessProgram) return;
9647 cps->initDone = FALSE;
9649 if (strcmp(cps->host, "localhost") == 0) {
9650 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9651 } else if (*appData.remoteShell == NULLCHAR) {
9652 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9654 if (*appData.remoteUser == NULLCHAR) {
9655 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9658 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9659 cps->host, appData.remoteUser, cps->program);
9661 err = StartChildProcess(buf, "", &cps->pr);
9665 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9666 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9667 if(cps != &first) return;
9668 appData.noChessProgram = TRUE;
9671 // DisplayFatalError(buf, err, 1);
9672 // cps->pr = NoProc;
9677 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9678 if (cps->protocolVersion > 1) {
9679 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9680 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9681 cps->comboCnt = 0; // and values of combo boxes
9682 SendToProgram(buf, cps);
9684 SendToProgram("xboard\n", cps);
9689 TwoMachinesEventIfReady P((void))
9691 static int curMess = 0;
9692 if (first.lastPing != first.lastPong) {
9693 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9694 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9697 if (second.lastPing != second.lastPong) {
9698 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9699 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9702 DisplayMessage("", ""); curMess = 0;
9708 MakeName (char *template)
9712 static char buf[MSG_SIZ];
9716 clock = time((time_t *)NULL);
9717 tm = localtime(&clock);
9719 while(*p++ = *template++) if(p[-1] == '%') {
9720 switch(*template++) {
9721 case 0: *p = 0; return buf;
9722 case 'Y': i = tm->tm_year+1900; break;
9723 case 'y': i = tm->tm_year-100; break;
9724 case 'M': i = tm->tm_mon+1; break;
9725 case 'd': i = tm->tm_mday; break;
9726 case 'h': i = tm->tm_hour; break;
9727 case 'm': i = tm->tm_min; break;
9728 case 's': i = tm->tm_sec; break;
9731 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9737 CountPlayers (char *p)
9740 while(p = strchr(p, '\n')) p++, n++; // count participants
9745 WriteTourneyFile (char *results, FILE *f)
9746 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9747 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9748 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9749 // create a file with tournament description
9750 fprintf(f, "-participants {%s}\n", appData.participants);
9751 fprintf(f, "-seedBase %d\n", appData.seedBase);
9752 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9753 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9754 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9755 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9756 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9757 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9758 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9759 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9760 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9761 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9762 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9763 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9765 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9767 fprintf(f, "-mps %d\n", appData.movesPerSession);
9768 fprintf(f, "-tc %s\n", appData.timeControl);
9769 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9771 fprintf(f, "-results \"%s\"\n", results);
9776 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9779 Substitute (char *participants, int expunge)
9781 int i, changed, changes=0, nPlayers=0;
9782 char *p, *q, *r, buf[MSG_SIZ];
9783 if(participants == NULL) return;
9784 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9785 r = p = participants; q = appData.participants;
9786 while(*p && *p == *q) {
9787 if(*p == '\n') r = p+1, nPlayers++;
9790 if(*p) { // difference
9791 while(*p && *p++ != '\n');
9792 while(*q && *q++ != '\n');
9794 changes = 1 + (strcmp(p, q) != 0);
9796 if(changes == 1) { // a single engine mnemonic was changed
9797 q = r; while(*q) nPlayers += (*q++ == '\n');
9798 p = buf; while(*r && (*p = *r++) != '\n') p++;
9800 NamesToList(firstChessProgramNames, command, mnemonic, "all");
9801 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9802 if(mnemonic[i]) { // The substitute is valid
9804 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9805 flock(fileno(f), LOCK_EX);
9806 ParseArgsFromFile(f);
9807 fseek(f, 0, SEEK_SET);
9808 FREE(appData.participants); appData.participants = participants;
9809 if(expunge) { // erase results of replaced engine
9810 int len = strlen(appData.results), w, b, dummy;
9811 for(i=0; i<len; i++) {
9812 Pairing(i, nPlayers, &w, &b, &dummy);
9813 if((w == changed || b == changed) && appData.results[i] == '*') {
9814 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9819 for(i=0; i<len; i++) {
9820 Pairing(i, nPlayers, &w, &b, &dummy);
9821 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9824 WriteTourneyFile(appData.results, f);
9825 fclose(f); // release lock
9828 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9830 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9831 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9837 CreateTourney (char *name)
9840 if(matchMode && strcmp(name, appData.tourneyFile)) {
9841 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9843 if(name[0] == NULLCHAR) {
9844 if(appData.participants[0])
9845 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9848 f = fopen(name, "r");
9849 if(f) { // file exists
9850 ASSIGN(appData.tourneyFile, name);
9851 ParseArgsFromFile(f); // parse it
9853 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9854 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9855 DisplayError(_("Not enough participants"), 0);
9858 ASSIGN(appData.tourneyFile, name);
9859 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9860 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9863 appData.noChessProgram = FALSE;
9864 appData.clockMode = TRUE;
9870 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
9872 char buf[MSG_SIZ], *p, *q;
9873 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
9874 skip = !all && group[0]; // if group requested, we start in skip mode
9875 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
9876 p = names; q = buf; header = 0;
9877 while(*p && *p != '\n') *q++ = *p++;
9881 if(strstr(buf, "# end") == buf) { depth--; continue; } // leave group, and suppress printing label
9882 depth++; // we must be entering a new group
9883 if(all) continue; // suppress printing group headers when complete list requested
9885 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
9887 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
9888 if(engineList[i]) free(engineList[i]);
9889 engineList[i] = strdup(buf);
9890 if(buf[0] != '#') TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
9891 if(engineMnemonic[i]) free(engineMnemonic[i]);
9892 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9894 sscanf(q + 8, "%s", buf + strlen(buf));
9897 engineMnemonic[i] = strdup(buf);
9900 engineList[i] = engineMnemonic[i] = NULL;
9904 // following implemented as macro to avoid type limitations
9905 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9909 { // swap settings for first engine and other engine (so far only some selected options)
9914 SWAP(chessProgram, p)
9916 SWAP(hasOwnBookUCI, h)
9917 SWAP(protocolVersion, h)
9919 SWAP(scoreIsAbsolute, h)
9928 SetPlayer (int player, char *p)
9929 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9931 char buf[MSG_SIZ], *engineName;
9932 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9933 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9934 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9936 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9937 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9938 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
9939 ParseArgsFromString(buf);
9945 char *recentEngines;
9948 RecentEngineEvent (int nr)
9951 // SwapEngines(1); // bump first to second
9952 // ReplaceEngine(&second, 1); // and load it there
9953 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
9954 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
9955 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
9956 ReplaceEngine(&first, 0);
9957 FloatToFront(&appData.recentEngineList, command[n]);
9962 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9963 { // determine players from game number
9964 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9966 if(appData.tourneyType == 0) {
9967 roundsPerCycle = (nPlayers - 1) | 1;
9968 pairingsPerRound = nPlayers / 2;
9969 } else if(appData.tourneyType > 0) {
9970 roundsPerCycle = nPlayers - appData.tourneyType;
9971 pairingsPerRound = appData.tourneyType;
9973 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9974 gamesPerCycle = gamesPerRound * roundsPerCycle;
9975 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9976 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9977 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9978 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9979 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9980 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9982 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9983 if(appData.roundSync) *syncInterval = gamesPerRound;
9985 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9987 if(appData.tourneyType == 0) {
9988 if(curPairing == (nPlayers-1)/2 ) {
9989 *whitePlayer = curRound;
9990 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9992 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9993 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9994 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9995 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9997 } else if(appData.tourneyType > 1) {
9998 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
9999 *whitePlayer = curRound + appData.tourneyType;
10000 } else if(appData.tourneyType > 0) {
10001 *whitePlayer = curPairing;
10002 *blackPlayer = curRound + appData.tourneyType;
10005 // take care of white/black alternation per round.
10006 // For cycles and games this is already taken care of by default, derived from matchGame!
10007 return curRound & 1;
10011 NextTourneyGame (int nr, int *swapColors)
10012 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10014 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10016 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10017 tf = fopen(appData.tourneyFile, "r");
10018 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10019 ParseArgsFromFile(tf); fclose(tf);
10020 InitTimeControls(); // TC might be altered from tourney file
10022 nPlayers = CountPlayers(appData.participants); // count participants
10023 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10024 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10027 p = q = appData.results;
10028 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10029 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10030 DisplayMessage(_("Waiting for other game(s)"),"");
10031 waitingForGame = TRUE;
10032 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10035 waitingForGame = FALSE;
10038 if(appData.tourneyType < 0) {
10039 if(nr>=0 && !pairingReceived) {
10041 if(pairing.pr == NoProc) {
10042 if(!appData.pairingEngine[0]) {
10043 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10046 StartChessProgram(&pairing); // starts the pairing engine
10048 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10049 SendToProgram(buf, &pairing);
10050 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10051 SendToProgram(buf, &pairing);
10052 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10054 pairingReceived = 0; // ... so we continue here
10056 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10057 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10058 matchGame = 1; roundNr = nr / syncInterval + 1;
10061 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10063 // redefine engines, engine dir, etc.
10064 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10065 if(first.pr == NoProc) {
10066 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10067 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10069 if(second.pr == NoProc) {
10071 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10072 SwapEngines(1); // and make that valid for second engine by swapping
10073 InitEngine(&second, 1);
10075 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10076 UpdateLogos(FALSE); // leave display to ModeHiglight()
10082 { // performs game initialization that does not invoke engines, and then tries to start the game
10083 int res, firstWhite, swapColors = 0;
10084 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10085 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
10087 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10088 if(strcmp(buf, currentDebugFile)) { // name has changed
10089 FILE *f = fopen(buf, "w");
10090 if(f) { // if opening the new file failed, just keep using the old one
10091 ASSIGN(currentDebugFile, buf);
10095 if(appData.serverFileName) {
10096 if(serverFP) fclose(serverFP);
10097 serverFP = fopen(appData.serverFileName, "w");
10098 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10099 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10103 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10104 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10105 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10106 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10107 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10108 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10109 Reset(FALSE, first.pr != NoProc);
10110 res = LoadGameOrPosition(matchGame); // setup game
10111 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10112 if(!res) return; // abort when bad game/pos file
10113 TwoMachinesEvent();
10117 UserAdjudicationEvent (int result)
10119 ChessMove gameResult = GameIsDrawn;
10122 gameResult = WhiteWins;
10124 else if( result < 0 ) {
10125 gameResult = BlackWins;
10128 if( gameMode == TwoMachinesPlay ) {
10129 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10134 // [HGM] save: calculate checksum of game to make games easily identifiable
10136 StringCheckSum (char *s)
10139 if(s==NULL) return 0;
10140 while(*s) i = i*259 + *s++;
10148 for(i=backwardMostMove; i<forwardMostMove; i++) {
10149 sum += pvInfoList[i].depth;
10150 sum += StringCheckSum(parseList[i]);
10151 sum += StringCheckSum(commentList[i]);
10154 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10155 return sum + StringCheckSum(commentList[i]);
10156 } // end of save patch
10159 GameEnds (ChessMove result, char *resultDetails, int whosays)
10161 GameMode nextGameMode;
10163 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10165 if(endingGame) return; /* [HGM] crash: forbid recursion */
10167 if(twoBoards) { // [HGM] dual: switch back to one board
10168 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10169 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10171 if (appData.debugMode) {
10172 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10173 result, resultDetails ? resultDetails : "(null)", whosays);
10176 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10178 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10179 /* If we are playing on ICS, the server decides when the
10180 game is over, but the engine can offer to draw, claim
10184 if (appData.zippyPlay && first.initDone) {
10185 if (result == GameIsDrawn) {
10186 /* In case draw still needs to be claimed */
10187 SendToICS(ics_prefix);
10188 SendToICS("draw\n");
10189 } else if (StrCaseStr(resultDetails, "resign")) {
10190 SendToICS(ics_prefix);
10191 SendToICS("resign\n");
10195 endingGame = 0; /* [HGM] crash */
10199 /* If we're loading the game from a file, stop */
10200 if (whosays == GE_FILE) {
10201 (void) StopLoadGameTimer();
10205 /* Cancel draw offers */
10206 first.offeredDraw = second.offeredDraw = 0;
10208 /* If this is an ICS game, only ICS can really say it's done;
10209 if not, anyone can. */
10210 isIcsGame = (gameMode == IcsPlayingWhite ||
10211 gameMode == IcsPlayingBlack ||
10212 gameMode == IcsObserving ||
10213 gameMode == IcsExamining);
10215 if (!isIcsGame || whosays == GE_ICS) {
10216 /* OK -- not an ICS game, or ICS said it was done */
10218 if (!isIcsGame && !appData.noChessProgram)
10219 SetUserThinkingEnables();
10221 /* [HGM] if a machine claims the game end we verify this claim */
10222 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10223 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10225 ChessMove trueResult = (ChessMove) -1;
10227 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10228 first.twoMachinesColor[0] :
10229 second.twoMachinesColor[0] ;
10231 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10232 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10233 /* [HGM] verify: engine mate claims accepted if they were flagged */
10234 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10236 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10237 /* [HGM] verify: engine mate claims accepted if they were flagged */
10238 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10240 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10241 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10244 // now verify win claims, but not in drop games, as we don't understand those yet
10245 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10246 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10247 (result == WhiteWins && claimer == 'w' ||
10248 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10249 if (appData.debugMode) {
10250 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10251 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10253 if(result != trueResult) {
10254 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10255 result = claimer == 'w' ? BlackWins : WhiteWins;
10256 resultDetails = buf;
10259 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10260 && (forwardMostMove <= backwardMostMove ||
10261 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10262 (claimer=='b')==(forwardMostMove&1))
10264 /* [HGM] verify: draws that were not flagged are false claims */
10265 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10266 result = claimer == 'w' ? BlackWins : WhiteWins;
10267 resultDetails = buf;
10269 /* (Claiming a loss is accepted no questions asked!) */
10271 /* [HGM] bare: don't allow bare King to win */
10272 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10273 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10274 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10275 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10276 && result != GameIsDrawn)
10277 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10278 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10279 int p = (signed char)boards[forwardMostMove][i][j] - color;
10280 if(p >= 0 && p <= (int)WhiteKing) k++;
10282 if (appData.debugMode) {
10283 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10284 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10287 result = GameIsDrawn;
10288 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10289 resultDetails = buf;
10295 if(serverMoves != NULL && !loadFlag) { char c = '=';
10296 if(result==WhiteWins) c = '+';
10297 if(result==BlackWins) c = '-';
10298 if(resultDetails != NULL)
10299 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10301 if (resultDetails != NULL) {
10302 gameInfo.result = result;
10303 gameInfo.resultDetails = StrSave(resultDetails);
10305 /* display last move only if game was not loaded from file */
10306 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10307 DisplayMove(currentMove - 1);
10309 if (forwardMostMove != 0) {
10310 if (gameMode != PlayFromGameFile && gameMode != EditGame
10311 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10313 if (*appData.saveGameFile != NULLCHAR) {
10314 SaveGameToFile(appData.saveGameFile, TRUE);
10315 } else if (appData.autoSaveGames) {
10318 if (*appData.savePositionFile != NULLCHAR) {
10319 SavePositionToFile(appData.savePositionFile);
10324 /* Tell program how game ended in case it is learning */
10325 /* [HGM] Moved this to after saving the PGN, just in case */
10326 /* engine died and we got here through time loss. In that */
10327 /* case we will get a fatal error writing the pipe, which */
10328 /* would otherwise lose us the PGN. */
10329 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10330 /* output during GameEnds should never be fatal anymore */
10331 if (gameMode == MachinePlaysWhite ||
10332 gameMode == MachinePlaysBlack ||
10333 gameMode == TwoMachinesPlay ||
10334 gameMode == IcsPlayingWhite ||
10335 gameMode == IcsPlayingBlack ||
10336 gameMode == BeginningOfGame) {
10338 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10340 if (first.pr != NoProc) {
10341 SendToProgram(buf, &first);
10343 if (second.pr != NoProc &&
10344 gameMode == TwoMachinesPlay) {
10345 SendToProgram(buf, &second);
10350 if (appData.icsActive) {
10351 if (appData.quietPlay &&
10352 (gameMode == IcsPlayingWhite ||
10353 gameMode == IcsPlayingBlack)) {
10354 SendToICS(ics_prefix);
10355 SendToICS("set shout 1\n");
10357 nextGameMode = IcsIdle;
10358 ics_user_moved = FALSE;
10359 /* clean up premove. It's ugly when the game has ended and the
10360 * premove highlights are still on the board.
10363 gotPremove = FALSE;
10364 ClearPremoveHighlights();
10365 DrawPosition(FALSE, boards[currentMove]);
10367 if (whosays == GE_ICS) {
10370 if (gameMode == IcsPlayingWhite)
10372 else if(gameMode == IcsPlayingBlack)
10373 PlayIcsLossSound();
10376 if (gameMode == IcsPlayingBlack)
10378 else if(gameMode == IcsPlayingWhite)
10379 PlayIcsLossSound();
10382 PlayIcsDrawSound();
10385 PlayIcsUnfinishedSound();
10388 } else if (gameMode == EditGame ||
10389 gameMode == PlayFromGameFile ||
10390 gameMode == AnalyzeMode ||
10391 gameMode == AnalyzeFile) {
10392 nextGameMode = gameMode;
10394 nextGameMode = EndOfGame;
10399 nextGameMode = gameMode;
10402 if (appData.noChessProgram) {
10403 gameMode = nextGameMode;
10405 endingGame = 0; /* [HGM] crash */
10410 /* Put first chess program into idle state */
10411 if (first.pr != NoProc &&
10412 (gameMode == MachinePlaysWhite ||
10413 gameMode == MachinePlaysBlack ||
10414 gameMode == TwoMachinesPlay ||
10415 gameMode == IcsPlayingWhite ||
10416 gameMode == IcsPlayingBlack ||
10417 gameMode == BeginningOfGame)) {
10418 SendToProgram("force\n", &first);
10419 if (first.usePing) {
10421 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10422 SendToProgram(buf, &first);
10425 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10426 /* Kill off first chess program */
10427 if (first.isr != NULL)
10428 RemoveInputSource(first.isr);
10431 if (first.pr != NoProc) {
10433 DoSleep( appData.delayBeforeQuit );
10434 SendToProgram("quit\n", &first);
10435 DoSleep( appData.delayAfterQuit );
10436 DestroyChildProcess(first.pr, first.useSigterm);
10440 if (second.reuse) {
10441 /* Put second chess program into idle state */
10442 if (second.pr != NoProc &&
10443 gameMode == TwoMachinesPlay) {
10444 SendToProgram("force\n", &second);
10445 if (second.usePing) {
10447 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10448 SendToProgram(buf, &second);
10451 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10452 /* Kill off second chess program */
10453 if (second.isr != NULL)
10454 RemoveInputSource(second.isr);
10457 if (second.pr != NoProc) {
10458 DoSleep( appData.delayBeforeQuit );
10459 SendToProgram("quit\n", &second);
10460 DoSleep( appData.delayAfterQuit );
10461 DestroyChildProcess(second.pr, second.useSigterm);
10463 second.pr = NoProc;
10466 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10467 char resChar = '=';
10471 if (first.twoMachinesColor[0] == 'w') {
10474 second.matchWins++;
10479 if (first.twoMachinesColor[0] == 'b') {
10482 second.matchWins++;
10485 case GameUnfinished:
10491 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10492 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10493 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10494 ReserveGame(nextGame, resChar); // sets nextGame
10495 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10496 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10497 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10499 if (nextGame <= appData.matchGames && !abortMatch) {
10500 gameMode = nextGameMode;
10501 matchGame = nextGame; // this will be overruled in tourney mode!
10502 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10503 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10504 endingGame = 0; /* [HGM] crash */
10507 gameMode = nextGameMode;
10508 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10509 first.tidy, second.tidy,
10510 first.matchWins, second.matchWins,
10511 appData.matchGames - (first.matchWins + second.matchWins));
10512 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10513 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10514 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10515 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10516 first.twoMachinesColor = "black\n";
10517 second.twoMachinesColor = "white\n";
10519 first.twoMachinesColor = "white\n";
10520 second.twoMachinesColor = "black\n";
10524 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10525 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10527 gameMode = nextGameMode;
10529 endingGame = 0; /* [HGM] crash */
10530 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10531 if(matchMode == TRUE) { // match through command line: exit with or without popup
10533 ToNrEvent(forwardMostMove);
10534 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10536 } else DisplayFatalError(buf, 0, 0);
10537 } else { // match through menu; just stop, with or without popup
10538 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10541 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10542 } else DisplayNote(buf);
10544 if(ranking) free(ranking);
10548 /* Assumes program was just initialized (initString sent).
10549 Leaves program in force mode. */
10551 FeedMovesToProgram (ChessProgramState *cps, int upto)
10555 if (appData.debugMode)
10556 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10557 startedFromSetupPosition ? "position and " : "",
10558 backwardMostMove, upto, cps->which);
10559 if(currentlyInitializedVariant != gameInfo.variant) {
10561 // [HGM] variantswitch: make engine aware of new variant
10562 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10563 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10564 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10565 SendToProgram(buf, cps);
10566 currentlyInitializedVariant = gameInfo.variant;
10568 SendToProgram("force\n", cps);
10569 if (startedFromSetupPosition) {
10570 SendBoard(cps, backwardMostMove);
10571 if (appData.debugMode) {
10572 fprintf(debugFP, "feedMoves\n");
10575 for (i = backwardMostMove; i < upto; i++) {
10576 SendMoveToProgram(i, cps);
10582 ResurrectChessProgram ()
10584 /* The chess program may have exited.
10585 If so, restart it and feed it all the moves made so far. */
10586 static int doInit = 0;
10588 if (appData.noChessProgram) return 1;
10590 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10591 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10592 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10593 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10595 if (first.pr != NoProc) return 1;
10596 StartChessProgram(&first);
10598 InitChessProgram(&first, FALSE);
10599 FeedMovesToProgram(&first, currentMove);
10601 if (!first.sendTime) {
10602 /* can't tell gnuchess what its clock should read,
10603 so we bow to its notion. */
10605 timeRemaining[0][currentMove] = whiteTimeRemaining;
10606 timeRemaining[1][currentMove] = blackTimeRemaining;
10609 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10610 appData.icsEngineAnalyze) && first.analysisSupport) {
10611 SendToProgram("analyze\n", &first);
10612 first.analyzing = TRUE;
10618 * Button procedures
10621 Reset (int redraw, int init)
10625 if (appData.debugMode) {
10626 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10627 redraw, init, gameMode);
10629 CleanupTail(); // [HGM] vari: delete any stored variations
10630 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10631 pausing = pauseExamInvalid = FALSE;
10632 startedFromSetupPosition = blackPlaysFirst = FALSE;
10634 whiteFlag = blackFlag = FALSE;
10635 userOfferedDraw = FALSE;
10636 hintRequested = bookRequested = FALSE;
10637 first.maybeThinking = FALSE;
10638 second.maybeThinking = FALSE;
10639 first.bookSuspend = FALSE; // [HGM] book
10640 second.bookSuspend = FALSE;
10641 thinkOutput[0] = NULLCHAR;
10642 lastHint[0] = NULLCHAR;
10643 ClearGameInfo(&gameInfo);
10644 gameInfo.variant = StringToVariant(appData.variant);
10645 ics_user_moved = ics_clock_paused = FALSE;
10646 ics_getting_history = H_FALSE;
10648 white_holding[0] = black_holding[0] = NULLCHAR;
10649 ClearProgramStats();
10650 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10654 flipView = appData.flipView;
10655 ClearPremoveHighlights();
10656 gotPremove = FALSE;
10657 alarmSounded = FALSE;
10659 GameEnds(EndOfFile, NULL, GE_PLAYER);
10660 if(appData.serverMovesName != NULL) {
10661 /* [HGM] prepare to make moves file for broadcasting */
10662 clock_t t = clock();
10663 if(serverMoves != NULL) fclose(serverMoves);
10664 serverMoves = fopen(appData.serverMovesName, "r");
10665 if(serverMoves != NULL) {
10666 fclose(serverMoves);
10667 /* delay 15 sec before overwriting, so all clients can see end */
10668 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10670 serverMoves = fopen(appData.serverMovesName, "w");
10674 gameMode = BeginningOfGame;
10676 if(appData.icsActive) gameInfo.variant = VariantNormal;
10677 currentMove = forwardMostMove = backwardMostMove = 0;
10678 MarkTargetSquares(1);
10679 InitPosition(redraw);
10680 for (i = 0; i < MAX_MOVES; i++) {
10681 if (commentList[i] != NULL) {
10682 free(commentList[i]);
10683 commentList[i] = NULL;
10687 timeRemaining[0][0] = whiteTimeRemaining;
10688 timeRemaining[1][0] = blackTimeRemaining;
10690 if (first.pr == NoProc) {
10691 StartChessProgram(&first);
10694 InitChessProgram(&first, startedFromSetupPosition);
10697 DisplayMessage("", "");
10698 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10699 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10703 AutoPlayGameLoop ()
10706 if (!AutoPlayOneMove())
10708 if (matchMode || appData.timeDelay == 0)
10710 if (appData.timeDelay < 0)
10712 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10721 int fromX, fromY, toX, toY;
10723 if (appData.debugMode) {
10724 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10727 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10730 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10731 pvInfoList[currentMove].depth = programStats.depth;
10732 pvInfoList[currentMove].score = programStats.score;
10733 pvInfoList[currentMove].time = 0;
10734 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10737 if (currentMove >= forwardMostMove) {
10738 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10739 // gameMode = EndOfGame;
10740 // ModeHighlight();
10742 /* [AS] Clear current move marker at the end of a game */
10743 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10748 toX = moveList[currentMove][2] - AAA;
10749 toY = moveList[currentMove][3] - ONE;
10751 if (moveList[currentMove][1] == '@') {
10752 if (appData.highlightLastMove) {
10753 SetHighlights(-1, -1, toX, toY);
10756 fromX = moveList[currentMove][0] - AAA;
10757 fromY = moveList[currentMove][1] - ONE;
10759 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10761 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10763 if (appData.highlightLastMove) {
10764 SetHighlights(fromX, fromY, toX, toY);
10767 DisplayMove(currentMove);
10768 SendMoveToProgram(currentMove++, &first);
10769 DisplayBothClocks();
10770 DrawPosition(FALSE, boards[currentMove]);
10771 // [HGM] PV info: always display, routine tests if empty
10772 DisplayComment(currentMove - 1, commentList[currentMove]);
10778 LoadGameOneMove (ChessMove readAhead)
10780 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10781 char promoChar = NULLCHAR;
10782 ChessMove moveType;
10783 char move[MSG_SIZ];
10786 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10787 gameMode != AnalyzeMode && gameMode != Training) {
10792 yyboardindex = forwardMostMove;
10793 if (readAhead != EndOfFile) {
10794 moveType = readAhead;
10796 if (gameFileFP == NULL)
10798 moveType = (ChessMove) Myylex();
10802 switch (moveType) {
10804 if (appData.debugMode)
10805 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10808 /* append the comment but don't display it */
10809 AppendComment(currentMove, p, FALSE);
10812 case WhiteCapturesEnPassant:
10813 case BlackCapturesEnPassant:
10814 case WhitePromotion:
10815 case BlackPromotion:
10816 case WhiteNonPromotion:
10817 case BlackNonPromotion:
10819 case WhiteKingSideCastle:
10820 case WhiteQueenSideCastle:
10821 case BlackKingSideCastle:
10822 case BlackQueenSideCastle:
10823 case WhiteKingSideCastleWild:
10824 case WhiteQueenSideCastleWild:
10825 case BlackKingSideCastleWild:
10826 case BlackQueenSideCastleWild:
10828 case WhiteHSideCastleFR:
10829 case WhiteASideCastleFR:
10830 case BlackHSideCastleFR:
10831 case BlackASideCastleFR:
10833 if (appData.debugMode)
10834 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10835 fromX = currentMoveString[0] - AAA;
10836 fromY = currentMoveString[1] - ONE;
10837 toX = currentMoveString[2] - AAA;
10838 toY = currentMoveString[3] - ONE;
10839 promoChar = currentMoveString[4];
10844 if (appData.debugMode)
10845 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10846 fromX = moveType == WhiteDrop ?
10847 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10848 (int) CharToPiece(ToLower(currentMoveString[0]));
10850 toX = currentMoveString[2] - AAA;
10851 toY = currentMoveString[3] - ONE;
10857 case GameUnfinished:
10858 if (appData.debugMode)
10859 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10860 p = strchr(yy_text, '{');
10861 if (p == NULL) p = strchr(yy_text, '(');
10864 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10866 q = strchr(p, *p == '{' ? '}' : ')');
10867 if (q != NULL) *q = NULLCHAR;
10870 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10871 GameEnds(moveType, p, GE_FILE);
10873 if (cmailMsgLoaded) {
10875 flipView = WhiteOnMove(currentMove);
10876 if (moveType == GameUnfinished) flipView = !flipView;
10877 if (appData.debugMode)
10878 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10883 if (appData.debugMode)
10884 fprintf(debugFP, "Parser hit end of file\n");
10885 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10891 if (WhiteOnMove(currentMove)) {
10892 GameEnds(BlackWins, "Black mates", GE_FILE);
10894 GameEnds(WhiteWins, "White mates", GE_FILE);
10898 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10904 case MoveNumberOne:
10905 if (lastLoadGameStart == GNUChessGame) {
10906 /* GNUChessGames have numbers, but they aren't move numbers */
10907 if (appData.debugMode)
10908 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10909 yy_text, (int) moveType);
10910 return LoadGameOneMove(EndOfFile); /* tail recursion */
10912 /* else fall thru */
10917 /* Reached start of next game in file */
10918 if (appData.debugMode)
10919 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10920 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10926 if (WhiteOnMove(currentMove)) {
10927 GameEnds(BlackWins, "Black mates", GE_FILE);
10929 GameEnds(WhiteWins, "White mates", GE_FILE);
10933 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10939 case PositionDiagram: /* should not happen; ignore */
10940 case ElapsedTime: /* ignore */
10941 case NAG: /* ignore */
10942 if (appData.debugMode)
10943 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10944 yy_text, (int) moveType);
10945 return LoadGameOneMove(EndOfFile); /* tail recursion */
10948 if (appData.testLegality) {
10949 if (appData.debugMode)
10950 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10951 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10952 (forwardMostMove / 2) + 1,
10953 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10954 DisplayError(move, 0);
10957 if (appData.debugMode)
10958 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10959 yy_text, currentMoveString);
10960 fromX = currentMoveString[0] - AAA;
10961 fromY = currentMoveString[1] - ONE;
10962 toX = currentMoveString[2] - AAA;
10963 toY = currentMoveString[3] - ONE;
10964 promoChar = currentMoveString[4];
10968 case AmbiguousMove:
10969 if (appData.debugMode)
10970 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10971 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10972 (forwardMostMove / 2) + 1,
10973 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10974 DisplayError(move, 0);
10979 case ImpossibleMove:
10980 if (appData.debugMode)
10981 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10982 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10983 (forwardMostMove / 2) + 1,
10984 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10985 DisplayError(move, 0);
10991 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10992 DrawPosition(FALSE, boards[currentMove]);
10993 DisplayBothClocks();
10994 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10995 DisplayComment(currentMove - 1, commentList[currentMove]);
10997 (void) StopLoadGameTimer();
10999 cmailOldMove = forwardMostMove;
11002 /* currentMoveString is set as a side-effect of yylex */
11004 thinkOutput[0] = NULLCHAR;
11005 MakeMove(fromX, fromY, toX, toY, promoChar);
11006 currentMove = forwardMostMove;
11011 /* Load the nth game from the given file */
11013 LoadGameFromFile (char *filename, int n, char *title, int useList)
11018 if (strcmp(filename, "-") == 0) {
11022 f = fopen(filename, "rb");
11024 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11025 DisplayError(buf, errno);
11029 if (fseek(f, 0, 0) == -1) {
11030 /* f is not seekable; probably a pipe */
11033 if (useList && n == 0) {
11034 int error = GameListBuild(f);
11036 DisplayError(_("Cannot build game list"), error);
11037 } else if (!ListEmpty(&gameList) &&
11038 ((ListGame *) gameList.tailPred)->number > 1) {
11039 GameListPopUp(f, title);
11046 return LoadGame(f, n, title, FALSE);
11051 MakeRegisteredMove ()
11053 int fromX, fromY, toX, toY;
11055 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11056 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11059 if (appData.debugMode)
11060 fprintf(debugFP, "Restoring %s for game %d\n",
11061 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11063 thinkOutput[0] = NULLCHAR;
11064 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11065 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11066 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11067 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11068 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11069 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11070 MakeMove(fromX, fromY, toX, toY, promoChar);
11071 ShowMove(fromX, fromY, toX, toY);
11073 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11080 if (WhiteOnMove(currentMove)) {
11081 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11083 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11088 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11095 if (WhiteOnMove(currentMove)) {
11096 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11098 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11103 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11114 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11116 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11120 if (gameNumber > nCmailGames) {
11121 DisplayError(_("No more games in this message"), 0);
11124 if (f == lastLoadGameFP) {
11125 int offset = gameNumber - lastLoadGameNumber;
11127 cmailMsg[0] = NULLCHAR;
11128 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11129 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11130 nCmailMovesRegistered--;
11132 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11133 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11134 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11137 if (! RegisterMove()) return FALSE;
11141 retVal = LoadGame(f, gameNumber, title, useList);
11143 /* Make move registered during previous look at this game, if any */
11144 MakeRegisteredMove();
11146 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11147 commentList[currentMove]
11148 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11149 DisplayComment(currentMove - 1, commentList[currentMove]);
11155 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11157 ReloadGame (int offset)
11159 int gameNumber = lastLoadGameNumber + offset;
11160 if (lastLoadGameFP == NULL) {
11161 DisplayError(_("No game has been loaded yet"), 0);
11164 if (gameNumber <= 0) {
11165 DisplayError(_("Can't back up any further"), 0);
11168 if (cmailMsgLoaded) {
11169 return CmailLoadGame(lastLoadGameFP, gameNumber,
11170 lastLoadGameTitle, lastLoadGameUseList);
11172 return LoadGame(lastLoadGameFP, gameNumber,
11173 lastLoadGameTitle, lastLoadGameUseList);
11177 int keys[EmptySquare+1];
11180 PositionMatches (Board b1, Board b2)
11183 switch(appData.searchMode) {
11184 case 1: return CompareWithRights(b1, b2);
11186 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11187 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11191 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11192 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11193 sum += keys[b1[r][f]] - keys[b2[r][f]];
11197 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11198 sum += keys[b1[r][f]] - keys[b2[r][f]];
11210 int pieceList[256], quickBoard[256];
11211 ChessSquare pieceType[256] = { EmptySquare };
11212 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11213 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11214 int soughtTotal, turn;
11215 Boolean epOK, flipSearch;
11218 unsigned char piece, to;
11221 #define DSIZE (250000)
11223 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11224 Move *moveDatabase = initialSpace;
11225 unsigned int movePtr, dataSize = DSIZE;
11228 MakePieceList (Board board, int *counts)
11230 int r, f, n=Q_PROMO, total=0;
11231 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11232 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11233 int sq = f + (r<<4);
11234 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11235 quickBoard[sq] = ++n;
11237 pieceType[n] = board[r][f];
11238 counts[board[r][f]]++;
11239 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11240 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11244 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11249 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11251 int sq = fromX + (fromY<<4);
11252 int piece = quickBoard[sq];
11253 quickBoard[sq] = 0;
11254 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11255 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11256 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11257 moveDatabase[movePtr++].piece = Q_WCASTL;
11258 quickBoard[sq] = piece;
11259 piece = quickBoard[from]; quickBoard[from] = 0;
11260 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11262 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11263 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11264 moveDatabase[movePtr++].piece = Q_BCASTL;
11265 quickBoard[sq] = piece;
11266 piece = quickBoard[from]; quickBoard[from] = 0;
11267 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11269 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11270 quickBoard[(fromY<<4)+toX] = 0;
11271 moveDatabase[movePtr].piece = Q_EP;
11272 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11273 moveDatabase[movePtr].to = sq;
11275 if(promoPiece != pieceType[piece]) {
11276 moveDatabase[movePtr++].piece = Q_PROMO;
11277 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11279 moveDatabase[movePtr].piece = piece;
11280 quickBoard[sq] = piece;
11285 PackGame (Board board)
11287 Move *newSpace = NULL;
11288 moveDatabase[movePtr].piece = 0; // terminate previous game
11289 if(movePtr > dataSize) {
11290 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11291 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11292 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11295 Move *p = moveDatabase, *q = newSpace;
11296 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11297 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11298 moveDatabase = newSpace;
11299 } else { // calloc failed, we must be out of memory. Too bad...
11300 dataSize = 0; // prevent calloc events for all subsequent games
11301 return 0; // and signal this one isn't cached
11305 MakePieceList(board, counts);
11310 QuickCompare (Board board, int *minCounts, int *maxCounts)
11311 { // compare according to search mode
11313 switch(appData.searchMode)
11315 case 1: // exact position match
11316 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11317 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11318 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11321 case 2: // can have extra material on empty squares
11322 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11323 if(board[r][f] == EmptySquare) continue;
11324 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11327 case 3: // material with exact Pawn structure
11328 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11329 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11330 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11331 } // fall through to material comparison
11332 case 4: // exact material
11333 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11335 case 6: // material range with given imbalance
11336 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11337 // fall through to range comparison
11338 case 5: // material range
11339 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11345 QuickScan (Board board, Move *move)
11346 { // reconstruct game,and compare all positions in it
11347 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11349 int piece = move->piece;
11350 int to = move->to, from = pieceList[piece];
11351 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11352 if(!piece) return -1;
11353 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11354 piece = (++move)->piece;
11355 from = pieceList[piece];
11356 counts[pieceType[piece]]--;
11357 pieceType[piece] = (ChessSquare) move->to;
11358 counts[move->to]++;
11359 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11360 counts[pieceType[quickBoard[to]]]--;
11361 quickBoard[to] = 0; total--;
11364 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11365 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11366 from = pieceList[piece]; // so this must be King
11367 quickBoard[from] = 0;
11368 quickBoard[to] = piece;
11369 pieceList[piece] = to;
11374 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11375 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11376 quickBoard[from] = 0;
11377 quickBoard[to] = piece;
11378 pieceList[piece] = to;
11380 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11381 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11382 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11383 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11385 static int lastCounts[EmptySquare+1];
11387 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11388 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11389 } else stretch = 0;
11390 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11399 flipSearch = FALSE;
11400 CopyBoard(soughtBoard, boards[currentMove]);
11401 soughtTotal = MakePieceList(soughtBoard, maxSought);
11402 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11403 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11404 CopyBoard(reverseBoard, boards[currentMove]);
11405 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11406 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11407 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11408 reverseBoard[r][f] = piece;
11410 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11411 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11412 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11413 || (boards[currentMove][CASTLING][2] == NoRights ||
11414 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11415 && (boards[currentMove][CASTLING][5] == NoRights ||
11416 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11419 CopyBoard(flipBoard, soughtBoard);
11420 CopyBoard(rotateBoard, reverseBoard);
11421 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11422 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11423 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11426 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11427 if(appData.searchMode >= 5) {
11428 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11429 MakePieceList(soughtBoard, minSought);
11430 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11432 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11433 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11436 GameInfo dummyInfo;
11439 GameContainsPosition (FILE *f, ListGame *lg)
11441 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11442 int fromX, fromY, toX, toY;
11444 static int initDone=FALSE;
11446 // weed out games based on numerical tag comparison
11447 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11448 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11449 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11450 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11452 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11455 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11456 else CopyBoard(boards[scratch], initialPosition); // default start position
11459 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11460 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11463 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11464 fseek(f, lg->offset, 0);
11467 yyboardindex = scratch;
11468 quickFlag = plyNr+1;
11473 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11479 if(plyNr) return -1; // after we have seen moves, this is for new game
11482 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11483 case ImpossibleMove:
11484 case WhiteWins: // game ends here with these four
11487 case GameUnfinished:
11491 if(appData.testLegality) return -1;
11492 case WhiteCapturesEnPassant:
11493 case BlackCapturesEnPassant:
11494 case WhitePromotion:
11495 case BlackPromotion:
11496 case WhiteNonPromotion:
11497 case BlackNonPromotion:
11499 case WhiteKingSideCastle:
11500 case WhiteQueenSideCastle:
11501 case BlackKingSideCastle:
11502 case BlackQueenSideCastle:
11503 case WhiteKingSideCastleWild:
11504 case WhiteQueenSideCastleWild:
11505 case BlackKingSideCastleWild:
11506 case BlackQueenSideCastleWild:
11507 case WhiteHSideCastleFR:
11508 case WhiteASideCastleFR:
11509 case BlackHSideCastleFR:
11510 case BlackASideCastleFR:
11511 fromX = currentMoveString[0] - AAA;
11512 fromY = currentMoveString[1] - ONE;
11513 toX = currentMoveString[2] - AAA;
11514 toY = currentMoveString[3] - ONE;
11515 promoChar = currentMoveString[4];
11519 fromX = next == WhiteDrop ?
11520 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11521 (int) CharToPiece(ToLower(currentMoveString[0]));
11523 toX = currentMoveString[2] - AAA;
11524 toY = currentMoveString[3] - ONE;
11528 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11530 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11531 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11532 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11533 if(appData.findMirror) {
11534 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11535 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11540 /* Load the nth game from open file f */
11542 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11546 int gn = gameNumber;
11547 ListGame *lg = NULL;
11548 int numPGNTags = 0;
11550 GameMode oldGameMode;
11551 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11553 if (appData.debugMode)
11554 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11556 if (gameMode == Training )
11557 SetTrainingModeOff();
11559 oldGameMode = gameMode;
11560 if (gameMode != BeginningOfGame) {
11561 Reset(FALSE, TRUE);
11565 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11566 fclose(lastLoadGameFP);
11570 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11573 fseek(f, lg->offset, 0);
11574 GameListHighlight(gameNumber);
11575 pos = lg->position;
11579 DisplayError(_("Game number out of range"), 0);
11584 if (fseek(f, 0, 0) == -1) {
11585 if (f == lastLoadGameFP ?
11586 gameNumber == lastLoadGameNumber + 1 :
11590 DisplayError(_("Can't seek on game file"), 0);
11595 lastLoadGameFP = f;
11596 lastLoadGameNumber = gameNumber;
11597 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11598 lastLoadGameUseList = useList;
11602 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11603 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11604 lg->gameInfo.black);
11606 } else if (*title != NULLCHAR) {
11607 if (gameNumber > 1) {
11608 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11611 DisplayTitle(title);
11615 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11616 gameMode = PlayFromGameFile;
11620 currentMove = forwardMostMove = backwardMostMove = 0;
11621 CopyBoard(boards[0], initialPosition);
11625 * Skip the first gn-1 games in the file.
11626 * Also skip over anything that precedes an identifiable
11627 * start of game marker, to avoid being confused by
11628 * garbage at the start of the file. Currently
11629 * recognized start of game markers are the move number "1",
11630 * the pattern "gnuchess .* game", the pattern
11631 * "^[#;%] [^ ]* game file", and a PGN tag block.
11632 * A game that starts with one of the latter two patterns
11633 * will also have a move number 1, possibly
11634 * following a position diagram.
11635 * 5-4-02: Let's try being more lenient and allowing a game to
11636 * start with an unnumbered move. Does that break anything?
11638 cm = lastLoadGameStart = EndOfFile;
11640 yyboardindex = forwardMostMove;
11641 cm = (ChessMove) Myylex();
11644 if (cmailMsgLoaded) {
11645 nCmailGames = CMAIL_MAX_GAMES - gn;
11648 DisplayError(_("Game not found in file"), 0);
11655 lastLoadGameStart = cm;
11658 case MoveNumberOne:
11659 switch (lastLoadGameStart) {
11664 case MoveNumberOne:
11666 gn--; /* count this game */
11667 lastLoadGameStart = cm;
11676 switch (lastLoadGameStart) {
11679 case MoveNumberOne:
11681 gn--; /* count this game */
11682 lastLoadGameStart = cm;
11685 lastLoadGameStart = cm; /* game counted already */
11693 yyboardindex = forwardMostMove;
11694 cm = (ChessMove) Myylex();
11695 } while (cm == PGNTag || cm == Comment);
11702 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11703 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11704 != CMAIL_OLD_RESULT) {
11706 cmailResult[ CMAIL_MAX_GAMES
11707 - gn - 1] = CMAIL_OLD_RESULT;
11713 /* Only a NormalMove can be at the start of a game
11714 * without a position diagram. */
11715 if (lastLoadGameStart == EndOfFile ) {
11717 lastLoadGameStart = MoveNumberOne;
11726 if (appData.debugMode)
11727 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11729 if (cm == XBoardGame) {
11730 /* Skip any header junk before position diagram and/or move 1 */
11732 yyboardindex = forwardMostMove;
11733 cm = (ChessMove) Myylex();
11735 if (cm == EndOfFile ||
11736 cm == GNUChessGame || cm == XBoardGame) {
11737 /* Empty game; pretend end-of-file and handle later */
11742 if (cm == MoveNumberOne || cm == PositionDiagram ||
11743 cm == PGNTag || cm == Comment)
11746 } else if (cm == GNUChessGame) {
11747 if (gameInfo.event != NULL) {
11748 free(gameInfo.event);
11750 gameInfo.event = StrSave(yy_text);
11753 startedFromSetupPosition = FALSE;
11754 while (cm == PGNTag) {
11755 if (appData.debugMode)
11756 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11757 err = ParsePGNTag(yy_text, &gameInfo);
11758 if (!err) numPGNTags++;
11760 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11761 if(gameInfo.variant != oldVariant) {
11762 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11763 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11764 InitPosition(TRUE);
11765 oldVariant = gameInfo.variant;
11766 if (appData.debugMode)
11767 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11771 if (gameInfo.fen != NULL) {
11772 Board initial_position;
11773 startedFromSetupPosition = TRUE;
11774 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11776 DisplayError(_("Bad FEN position in file"), 0);
11779 CopyBoard(boards[0], initial_position);
11780 if (blackPlaysFirst) {
11781 currentMove = forwardMostMove = backwardMostMove = 1;
11782 CopyBoard(boards[1], initial_position);
11783 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11784 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11785 timeRemaining[0][1] = whiteTimeRemaining;
11786 timeRemaining[1][1] = blackTimeRemaining;
11787 if (commentList[0] != NULL) {
11788 commentList[1] = commentList[0];
11789 commentList[0] = NULL;
11792 currentMove = forwardMostMove = backwardMostMove = 0;
11794 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11796 initialRulePlies = FENrulePlies;
11797 for( i=0; i< nrCastlingRights; i++ )
11798 initialRights[i] = initial_position[CASTLING][i];
11800 yyboardindex = forwardMostMove;
11801 free(gameInfo.fen);
11802 gameInfo.fen = NULL;
11805 yyboardindex = forwardMostMove;
11806 cm = (ChessMove) Myylex();
11808 /* Handle comments interspersed among the tags */
11809 while (cm == Comment) {
11811 if (appData.debugMode)
11812 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11814 AppendComment(currentMove, p, FALSE);
11815 yyboardindex = forwardMostMove;
11816 cm = (ChessMove) Myylex();
11820 /* don't rely on existence of Event tag since if game was
11821 * pasted from clipboard the Event tag may not exist
11823 if (numPGNTags > 0){
11825 if (gameInfo.variant == VariantNormal) {
11826 VariantClass v = StringToVariant(gameInfo.event);
11827 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11828 if(v < VariantShogi) gameInfo.variant = v;
11831 if( appData.autoDisplayTags ) {
11832 tags = PGNTags(&gameInfo);
11833 TagsPopUp(tags, CmailMsg());
11838 /* Make something up, but don't display it now */
11843 if (cm == PositionDiagram) {
11846 Board initial_position;
11848 if (appData.debugMode)
11849 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11851 if (!startedFromSetupPosition) {
11853 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11854 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11865 initial_position[i][j++] = CharToPiece(*p);
11868 while (*p == ' ' || *p == '\t' ||
11869 *p == '\n' || *p == '\r') p++;
11871 if (strncmp(p, "black", strlen("black"))==0)
11872 blackPlaysFirst = TRUE;
11874 blackPlaysFirst = FALSE;
11875 startedFromSetupPosition = TRUE;
11877 CopyBoard(boards[0], initial_position);
11878 if (blackPlaysFirst) {
11879 currentMove = forwardMostMove = backwardMostMove = 1;
11880 CopyBoard(boards[1], initial_position);
11881 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11882 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11883 timeRemaining[0][1] = whiteTimeRemaining;
11884 timeRemaining[1][1] = blackTimeRemaining;
11885 if (commentList[0] != NULL) {
11886 commentList[1] = commentList[0];
11887 commentList[0] = NULL;
11890 currentMove = forwardMostMove = backwardMostMove = 0;
11893 yyboardindex = forwardMostMove;
11894 cm = (ChessMove) Myylex();
11897 if (first.pr == NoProc) {
11898 StartChessProgram(&first);
11900 InitChessProgram(&first, FALSE);
11901 SendToProgram("force\n", &first);
11902 if (startedFromSetupPosition) {
11903 SendBoard(&first, forwardMostMove);
11904 if (appData.debugMode) {
11905 fprintf(debugFP, "Load Game\n");
11907 DisplayBothClocks();
11910 /* [HGM] server: flag to write setup moves in broadcast file as one */
11911 loadFlag = appData.suppressLoadMoves;
11913 while (cm == Comment) {
11915 if (appData.debugMode)
11916 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11918 AppendComment(currentMove, p, FALSE);
11919 yyboardindex = forwardMostMove;
11920 cm = (ChessMove) Myylex();
11923 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11924 cm == WhiteWins || cm == BlackWins ||
11925 cm == GameIsDrawn || cm == GameUnfinished) {
11926 DisplayMessage("", _("No moves in game"));
11927 if (cmailMsgLoaded) {
11928 if (appData.debugMode)
11929 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11933 DrawPosition(FALSE, boards[currentMove]);
11934 DisplayBothClocks();
11935 gameMode = EditGame;
11942 // [HGM] PV info: routine tests if comment empty
11943 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11944 DisplayComment(currentMove - 1, commentList[currentMove]);
11946 if (!matchMode && appData.timeDelay != 0)
11947 DrawPosition(FALSE, boards[currentMove]);
11949 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11950 programStats.ok_to_send = 1;
11953 /* if the first token after the PGN tags is a move
11954 * and not move number 1, retrieve it from the parser
11956 if (cm != MoveNumberOne)
11957 LoadGameOneMove(cm);
11959 /* load the remaining moves from the file */
11960 while (LoadGameOneMove(EndOfFile)) {
11961 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11962 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11965 /* rewind to the start of the game */
11966 currentMove = backwardMostMove;
11968 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11970 if (oldGameMode == AnalyzeFile ||
11971 oldGameMode == AnalyzeMode) {
11972 AnalyzeFileEvent();
11975 if (!matchMode && pos >= 0) {
11976 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11978 if (matchMode || appData.timeDelay == 0) {
11980 } else if (appData.timeDelay > 0) {
11981 AutoPlayGameLoop();
11984 if (appData.debugMode)
11985 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11987 loadFlag = 0; /* [HGM] true game starts */
11991 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11993 ReloadPosition (int offset)
11995 int positionNumber = lastLoadPositionNumber + offset;
11996 if (lastLoadPositionFP == NULL) {
11997 DisplayError(_("No position has been loaded yet"), 0);
12000 if (positionNumber <= 0) {
12001 DisplayError(_("Can't back up any further"), 0);
12004 return LoadPosition(lastLoadPositionFP, positionNumber,
12005 lastLoadPositionTitle);
12008 /* Load the nth position from the given file */
12010 LoadPositionFromFile (char *filename, int n, char *title)
12015 if (strcmp(filename, "-") == 0) {
12016 return LoadPosition(stdin, n, "stdin");
12018 f = fopen(filename, "rb");
12020 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12021 DisplayError(buf, errno);
12024 return LoadPosition(f, n, title);
12029 /* Load the nth position from the given open file, and close it */
12031 LoadPosition (FILE *f, int positionNumber, char *title)
12033 char *p, line[MSG_SIZ];
12034 Board initial_position;
12035 int i, j, fenMode, pn;
12037 if (gameMode == Training )
12038 SetTrainingModeOff();
12040 if (gameMode != BeginningOfGame) {
12041 Reset(FALSE, TRUE);
12043 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12044 fclose(lastLoadPositionFP);
12046 if (positionNumber == 0) positionNumber = 1;
12047 lastLoadPositionFP = f;
12048 lastLoadPositionNumber = positionNumber;
12049 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12050 if (first.pr == NoProc && !appData.noChessProgram) {
12051 StartChessProgram(&first);
12052 InitChessProgram(&first, FALSE);
12054 pn = positionNumber;
12055 if (positionNumber < 0) {
12056 /* Negative position number means to seek to that byte offset */
12057 if (fseek(f, -positionNumber, 0) == -1) {
12058 DisplayError(_("Can't seek on position file"), 0);
12063 if (fseek(f, 0, 0) == -1) {
12064 if (f == lastLoadPositionFP ?
12065 positionNumber == lastLoadPositionNumber + 1 :
12066 positionNumber == 1) {
12069 DisplayError(_("Can't seek on position file"), 0);
12074 /* See if this file is FEN or old-style xboard */
12075 if (fgets(line, MSG_SIZ, f) == NULL) {
12076 DisplayError(_("Position not found in file"), 0);
12079 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12080 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12083 if (fenMode || line[0] == '#') pn--;
12085 /* skip positions before number pn */
12086 if (fgets(line, MSG_SIZ, f) == NULL) {
12088 DisplayError(_("Position not found in file"), 0);
12091 if (fenMode || line[0] == '#') pn--;
12096 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12097 DisplayError(_("Bad FEN position in file"), 0);
12101 (void) fgets(line, MSG_SIZ, f);
12102 (void) fgets(line, MSG_SIZ, f);
12104 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12105 (void) fgets(line, MSG_SIZ, f);
12106 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12109 initial_position[i][j++] = CharToPiece(*p);
12113 blackPlaysFirst = FALSE;
12115 (void) fgets(line, MSG_SIZ, f);
12116 if (strncmp(line, "black", strlen("black"))==0)
12117 blackPlaysFirst = TRUE;
12120 startedFromSetupPosition = TRUE;
12122 CopyBoard(boards[0], initial_position);
12123 if (blackPlaysFirst) {
12124 currentMove = forwardMostMove = backwardMostMove = 1;
12125 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12126 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12127 CopyBoard(boards[1], initial_position);
12128 DisplayMessage("", _("Black to play"));
12130 currentMove = forwardMostMove = backwardMostMove = 0;
12131 DisplayMessage("", _("White to play"));
12133 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12134 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12135 SendToProgram("force\n", &first);
12136 SendBoard(&first, forwardMostMove);
12138 if (appData.debugMode) {
12140 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12141 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12142 fprintf(debugFP, "Load Position\n");
12145 if (positionNumber > 1) {
12146 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12147 DisplayTitle(line);
12149 DisplayTitle(title);
12151 gameMode = EditGame;
12154 timeRemaining[0][1] = whiteTimeRemaining;
12155 timeRemaining[1][1] = blackTimeRemaining;
12156 DrawPosition(FALSE, boards[currentMove]);
12163 CopyPlayerNameIntoFileName (char **dest, char *src)
12165 while (*src != NULLCHAR && *src != ',') {
12170 *(*dest)++ = *src++;
12176 DefaultFileName (char *ext)
12178 static char def[MSG_SIZ];
12181 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12183 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12185 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12187 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12194 /* Save the current game to the given file */
12196 SaveGameToFile (char *filename, int append)
12200 int result, i, t,tot=0;
12202 if (strcmp(filename, "-") == 0) {
12203 return SaveGame(stdout, 0, NULL);
12205 for(i=0; i<10; i++) { // upto 10 tries
12206 f = fopen(filename, append ? "a" : "w");
12207 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12208 if(f || errno != 13) break;
12209 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12213 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12214 DisplayError(buf, errno);
12217 safeStrCpy(buf, lastMsg, MSG_SIZ);
12218 DisplayMessage(_("Waiting for access to save file"), "");
12219 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12220 DisplayMessage(_("Saving game"), "");
12221 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12222 result = SaveGame(f, 0, NULL);
12223 DisplayMessage(buf, "");
12230 SavePart (char *str)
12232 static char buf[MSG_SIZ];
12235 p = strchr(str, ' ');
12236 if (p == NULL) return str;
12237 strncpy(buf, str, p - str);
12238 buf[p - str] = NULLCHAR;
12242 #define PGN_MAX_LINE 75
12244 #define PGN_SIDE_WHITE 0
12245 #define PGN_SIDE_BLACK 1
12248 FindFirstMoveOutOfBook (int side)
12252 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12253 int index = backwardMostMove;
12254 int has_book_hit = 0;
12256 if( (index % 2) != side ) {
12260 while( index < forwardMostMove ) {
12261 /* Check to see if engine is in book */
12262 int depth = pvInfoList[index].depth;
12263 int score = pvInfoList[index].score;
12269 else if( score == 0 && depth == 63 ) {
12270 in_book = 1; /* Zappa */
12272 else if( score == 2 && depth == 99 ) {
12273 in_book = 1; /* Abrok */
12276 has_book_hit += in_book;
12292 GetOutOfBookInfo (char * buf)
12296 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12298 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12299 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12303 if( oob[0] >= 0 || oob[1] >= 0 ) {
12304 for( i=0; i<2; i++ ) {
12308 if( i > 0 && oob[0] >= 0 ) {
12309 strcat( buf, " " );
12312 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12313 sprintf( buf+strlen(buf), "%s%.2f",
12314 pvInfoList[idx].score >= 0 ? "+" : "",
12315 pvInfoList[idx].score / 100.0 );
12321 /* Save game in PGN style and close the file */
12323 SaveGamePGN (FILE *f)
12325 int i, offset, linelen, newblock;
12329 int movelen, numlen, blank;
12330 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12332 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12334 tm = time((time_t *) NULL);
12336 PrintPGNTags(f, &gameInfo);
12338 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12340 if (backwardMostMove > 0 || startedFromSetupPosition) {
12341 char *fen = PositionToFEN(backwardMostMove, NULL);
12342 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12343 fprintf(f, "\n{--------------\n");
12344 PrintPosition(f, backwardMostMove);
12345 fprintf(f, "--------------}\n");
12349 /* [AS] Out of book annotation */
12350 if( appData.saveOutOfBookInfo ) {
12353 GetOutOfBookInfo( buf );
12355 if( buf[0] != '\0' ) {
12356 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12363 i = backwardMostMove;
12367 while (i < forwardMostMove) {
12368 /* Print comments preceding this move */
12369 if (commentList[i] != NULL) {
12370 if (linelen > 0) fprintf(f, "\n");
12371 fprintf(f, "%s", commentList[i]);
12376 /* Format move number */
12378 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12381 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12383 numtext[0] = NULLCHAR;
12385 numlen = strlen(numtext);
12388 /* Print move number */
12389 blank = linelen > 0 && numlen > 0;
12390 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12399 fprintf(f, "%s", numtext);
12403 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12404 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12407 blank = linelen > 0 && movelen > 0;
12408 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12417 fprintf(f, "%s", move_buffer);
12418 linelen += movelen;
12420 /* [AS] Add PV info if present */
12421 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12422 /* [HGM] add time */
12423 char buf[MSG_SIZ]; int seconds;
12425 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12431 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12434 seconds = (seconds + 4)/10; // round to full seconds
12436 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12438 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12441 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12442 pvInfoList[i].score >= 0 ? "+" : "",
12443 pvInfoList[i].score / 100.0,
12444 pvInfoList[i].depth,
12447 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12449 /* Print score/depth */
12450 blank = linelen > 0 && movelen > 0;
12451 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12460 fprintf(f, "%s", move_buffer);
12461 linelen += movelen;
12467 /* Start a new line */
12468 if (linelen > 0) fprintf(f, "\n");
12470 /* Print comments after last move */
12471 if (commentList[i] != NULL) {
12472 fprintf(f, "%s\n", commentList[i]);
12476 if (gameInfo.resultDetails != NULL &&
12477 gameInfo.resultDetails[0] != NULLCHAR) {
12478 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12479 PGNResult(gameInfo.result));
12481 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12485 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12489 /* Save game in old style and close the file */
12491 SaveGameOldStyle (FILE *f)
12496 tm = time((time_t *) NULL);
12498 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12501 if (backwardMostMove > 0 || startedFromSetupPosition) {
12502 fprintf(f, "\n[--------------\n");
12503 PrintPosition(f, backwardMostMove);
12504 fprintf(f, "--------------]\n");
12509 i = backwardMostMove;
12510 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12512 while (i < forwardMostMove) {
12513 if (commentList[i] != NULL) {
12514 fprintf(f, "[%s]\n", commentList[i]);
12517 if ((i % 2) == 1) {
12518 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12521 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12523 if (commentList[i] != NULL) {
12527 if (i >= forwardMostMove) {
12531 fprintf(f, "%s\n", parseList[i]);
12536 if (commentList[i] != NULL) {
12537 fprintf(f, "[%s]\n", commentList[i]);
12540 /* This isn't really the old style, but it's close enough */
12541 if (gameInfo.resultDetails != NULL &&
12542 gameInfo.resultDetails[0] != NULLCHAR) {
12543 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12544 gameInfo.resultDetails);
12546 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12553 /* Save the current game to open file f and close the file */
12555 SaveGame (FILE *f, int dummy, char *dummy2)
12557 if (gameMode == EditPosition) EditPositionDone(TRUE);
12558 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12559 if (appData.oldSaveStyle)
12560 return SaveGameOldStyle(f);
12562 return SaveGamePGN(f);
12565 /* Save the current position to the given file */
12567 SavePositionToFile (char *filename)
12572 if (strcmp(filename, "-") == 0) {
12573 return SavePosition(stdout, 0, NULL);
12575 f = fopen(filename, "a");
12577 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12578 DisplayError(buf, errno);
12581 safeStrCpy(buf, lastMsg, MSG_SIZ);
12582 DisplayMessage(_("Waiting for access to save file"), "");
12583 flock(fileno(f), LOCK_EX); // [HGM] lock
12584 DisplayMessage(_("Saving position"), "");
12585 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12586 SavePosition(f, 0, NULL);
12587 DisplayMessage(buf, "");
12593 /* Save the current position to the given open file and close the file */
12595 SavePosition (FILE *f, int dummy, char *dummy2)
12600 if (gameMode == EditPosition) EditPositionDone(TRUE);
12601 if (appData.oldSaveStyle) {
12602 tm = time((time_t *) NULL);
12604 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12606 fprintf(f, "[--------------\n");
12607 PrintPosition(f, currentMove);
12608 fprintf(f, "--------------]\n");
12610 fen = PositionToFEN(currentMove, NULL);
12611 fprintf(f, "%s\n", fen);
12619 ReloadCmailMsgEvent (int unregister)
12622 static char *inFilename = NULL;
12623 static char *outFilename;
12625 struct stat inbuf, outbuf;
12628 /* Any registered moves are unregistered if unregister is set, */
12629 /* i.e. invoked by the signal handler */
12631 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12632 cmailMoveRegistered[i] = FALSE;
12633 if (cmailCommentList[i] != NULL) {
12634 free(cmailCommentList[i]);
12635 cmailCommentList[i] = NULL;
12638 nCmailMovesRegistered = 0;
12641 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12642 cmailResult[i] = CMAIL_NOT_RESULT;
12646 if (inFilename == NULL) {
12647 /* Because the filenames are static they only get malloced once */
12648 /* and they never get freed */
12649 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12650 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12652 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12653 sprintf(outFilename, "%s.out", appData.cmailGameName);
12656 status = stat(outFilename, &outbuf);
12658 cmailMailedMove = FALSE;
12660 status = stat(inFilename, &inbuf);
12661 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12664 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12665 counts the games, notes how each one terminated, etc.
12667 It would be nice to remove this kludge and instead gather all
12668 the information while building the game list. (And to keep it
12669 in the game list nodes instead of having a bunch of fixed-size
12670 parallel arrays.) Note this will require getting each game's
12671 termination from the PGN tags, as the game list builder does
12672 not process the game moves. --mann
12674 cmailMsgLoaded = TRUE;
12675 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12677 /* Load first game in the file or popup game menu */
12678 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12680 #endif /* !WIN32 */
12688 char string[MSG_SIZ];
12690 if ( cmailMailedMove
12691 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12692 return TRUE; /* Allow free viewing */
12695 /* Unregister move to ensure that we don't leave RegisterMove */
12696 /* with the move registered when the conditions for registering no */
12698 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12699 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12700 nCmailMovesRegistered --;
12702 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12704 free(cmailCommentList[lastLoadGameNumber - 1]);
12705 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12709 if (cmailOldMove == -1) {
12710 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12714 if (currentMove > cmailOldMove + 1) {
12715 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12719 if (currentMove < cmailOldMove) {
12720 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12724 if (forwardMostMove > currentMove) {
12725 /* Silently truncate extra moves */
12729 if ( (currentMove == cmailOldMove + 1)
12730 || ( (currentMove == cmailOldMove)
12731 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12732 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12733 if (gameInfo.result != GameUnfinished) {
12734 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12737 if (commentList[currentMove] != NULL) {
12738 cmailCommentList[lastLoadGameNumber - 1]
12739 = StrSave(commentList[currentMove]);
12741 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12743 if (appData.debugMode)
12744 fprintf(debugFP, "Saving %s for game %d\n",
12745 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12747 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12749 f = fopen(string, "w");
12750 if (appData.oldSaveStyle) {
12751 SaveGameOldStyle(f); /* also closes the file */
12753 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12754 f = fopen(string, "w");
12755 SavePosition(f, 0, NULL); /* also closes the file */
12757 fprintf(f, "{--------------\n");
12758 PrintPosition(f, currentMove);
12759 fprintf(f, "--------------}\n\n");
12761 SaveGame(f, 0, NULL); /* also closes the file*/
12764 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12765 nCmailMovesRegistered ++;
12766 } else if (nCmailGames == 1) {
12767 DisplayError(_("You have not made a move yet"), 0);
12778 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12779 FILE *commandOutput;
12780 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12781 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12787 if (! cmailMsgLoaded) {
12788 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12792 if (nCmailGames == nCmailResults) {
12793 DisplayError(_("No unfinished games"), 0);
12797 #if CMAIL_PROHIBIT_REMAIL
12798 if (cmailMailedMove) {
12799 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);
12800 DisplayError(msg, 0);
12805 if (! (cmailMailedMove || RegisterMove())) return;
12807 if ( cmailMailedMove
12808 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12809 snprintf(string, MSG_SIZ, partCommandString,
12810 appData.debugMode ? " -v" : "", appData.cmailGameName);
12811 commandOutput = popen(string, "r");
12813 if (commandOutput == NULL) {
12814 DisplayError(_("Failed to invoke cmail"), 0);
12816 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12817 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12819 if (nBuffers > 1) {
12820 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12821 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12822 nBytes = MSG_SIZ - 1;
12824 (void) memcpy(msg, buffer, nBytes);
12826 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12828 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12829 cmailMailedMove = TRUE; /* Prevent >1 moves */
12832 for (i = 0; i < nCmailGames; i ++) {
12833 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12838 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12840 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12842 appData.cmailGameName,
12844 LoadGameFromFile(buffer, 1, buffer, FALSE);
12845 cmailMsgLoaded = FALSE;
12849 DisplayInformation(msg);
12850 pclose(commandOutput);
12853 if ((*cmailMsg) != '\0') {
12854 DisplayInformation(cmailMsg);
12859 #endif /* !WIN32 */
12868 int prependComma = 0;
12870 char string[MSG_SIZ]; /* Space for game-list */
12873 if (!cmailMsgLoaded) return "";
12875 if (cmailMailedMove) {
12876 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12878 /* Create a list of games left */
12879 snprintf(string, MSG_SIZ, "[");
12880 for (i = 0; i < nCmailGames; i ++) {
12881 if (! ( cmailMoveRegistered[i]
12882 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12883 if (prependComma) {
12884 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12886 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12890 strcat(string, number);
12893 strcat(string, "]");
12895 if (nCmailMovesRegistered + nCmailResults == 0) {
12896 switch (nCmailGames) {
12898 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12902 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12906 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12911 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12913 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12918 if (nCmailResults == nCmailGames) {
12919 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12921 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12926 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12938 if (gameMode == Training)
12939 SetTrainingModeOff();
12942 cmailMsgLoaded = FALSE;
12943 if (appData.icsActive) {
12944 SendToICS(ics_prefix);
12945 SendToICS("refresh\n");
12950 ExitEvent (int status)
12954 /* Give up on clean exit */
12958 /* Keep trying for clean exit */
12962 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12964 if (telnetISR != NULL) {
12965 RemoveInputSource(telnetISR);
12967 if (icsPR != NoProc) {
12968 DestroyChildProcess(icsPR, TRUE);
12971 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12972 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12974 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12975 /* make sure this other one finishes before killing it! */
12976 if(endingGame) { int count = 0;
12977 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12978 while(endingGame && count++ < 10) DoSleep(1);
12979 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12982 /* Kill off chess programs */
12983 if (first.pr != NoProc) {
12986 DoSleep( appData.delayBeforeQuit );
12987 SendToProgram("quit\n", &first);
12988 DoSleep( appData.delayAfterQuit );
12989 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12991 if (second.pr != NoProc) {
12992 DoSleep( appData.delayBeforeQuit );
12993 SendToProgram("quit\n", &second);
12994 DoSleep( appData.delayAfterQuit );
12995 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12997 if (first.isr != NULL) {
12998 RemoveInputSource(first.isr);
13000 if (second.isr != NULL) {
13001 RemoveInputSource(second.isr);
13004 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13005 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13007 ShutDownFrontEnd();
13014 if (appData.debugMode)
13015 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13019 if (gameMode == MachinePlaysWhite ||
13020 gameMode == MachinePlaysBlack) {
13023 DisplayBothClocks();
13025 if (gameMode == PlayFromGameFile) {
13026 if (appData.timeDelay >= 0)
13027 AutoPlayGameLoop();
13028 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13029 Reset(FALSE, TRUE);
13030 SendToICS(ics_prefix);
13031 SendToICS("refresh\n");
13032 } else if (currentMove < forwardMostMove) {
13033 ForwardInner(forwardMostMove);
13035 pauseExamInvalid = FALSE;
13037 switch (gameMode) {
13041 pauseExamForwardMostMove = forwardMostMove;
13042 pauseExamInvalid = FALSE;
13045 case IcsPlayingWhite:
13046 case IcsPlayingBlack:
13050 case PlayFromGameFile:
13051 (void) StopLoadGameTimer();
13055 case BeginningOfGame:
13056 if (appData.icsActive) return;
13057 /* else fall through */
13058 case MachinePlaysWhite:
13059 case MachinePlaysBlack:
13060 case TwoMachinesPlay:
13061 if (forwardMostMove == 0)
13062 return; /* don't pause if no one has moved */
13063 if ((gameMode == MachinePlaysWhite &&
13064 !WhiteOnMove(forwardMostMove)) ||
13065 (gameMode == MachinePlaysBlack &&
13066 WhiteOnMove(forwardMostMove))) {
13077 EditCommentEvent ()
13079 char title[MSG_SIZ];
13081 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13082 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13084 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13085 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13086 parseList[currentMove - 1]);
13089 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13096 char *tags = PGNTags(&gameInfo);
13098 EditTagsPopUp(tags, NULL);
13103 AnalyzeModeEvent ()
13105 if (appData.noChessProgram || gameMode == AnalyzeMode)
13108 if (gameMode != AnalyzeFile) {
13109 if (!appData.icsEngineAnalyze) {
13111 if (gameMode != EditGame) return;
13113 ResurrectChessProgram();
13114 SendToProgram("analyze\n", &first);
13115 first.analyzing = TRUE;
13116 /*first.maybeThinking = TRUE;*/
13117 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13118 EngineOutputPopUp();
13120 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13125 StartAnalysisClock();
13126 GetTimeMark(&lastNodeCountTime);
13131 AnalyzeFileEvent ()
13133 if (appData.noChessProgram || gameMode == AnalyzeFile)
13136 if (gameMode != AnalyzeMode) {
13138 if (gameMode != EditGame) return;
13139 ResurrectChessProgram();
13140 SendToProgram("analyze\n", &first);
13141 first.analyzing = TRUE;
13142 /*first.maybeThinking = TRUE;*/
13143 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13144 EngineOutputPopUp();
13146 gameMode = AnalyzeFile;
13151 StartAnalysisClock();
13152 GetTimeMark(&lastNodeCountTime);
13154 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13158 MachineWhiteEvent ()
13161 char *bookHit = NULL;
13163 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13167 if (gameMode == PlayFromGameFile ||
13168 gameMode == TwoMachinesPlay ||
13169 gameMode == Training ||
13170 gameMode == AnalyzeMode ||
13171 gameMode == EndOfGame)
13174 if (gameMode == EditPosition)
13175 EditPositionDone(TRUE);
13177 if (!WhiteOnMove(currentMove)) {
13178 DisplayError(_("It is not White's turn"), 0);
13182 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13185 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13186 gameMode == AnalyzeFile)
13189 ResurrectChessProgram(); /* in case it isn't running */
13190 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13191 gameMode = MachinePlaysWhite;
13194 gameMode = MachinePlaysWhite;
13198 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13200 if (first.sendName) {
13201 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13202 SendToProgram(buf, &first);
13204 if (first.sendTime) {
13205 if (first.useColors) {
13206 SendToProgram("black\n", &first); /*gnu kludge*/
13208 SendTimeRemaining(&first, TRUE);
13210 if (first.useColors) {
13211 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13213 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13214 SetMachineThinkingEnables();
13215 first.maybeThinking = TRUE;
13219 if (appData.autoFlipView && !flipView) {
13220 flipView = !flipView;
13221 DrawPosition(FALSE, NULL);
13222 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13225 if(bookHit) { // [HGM] book: simulate book reply
13226 static char bookMove[MSG_SIZ]; // a bit generous?
13228 programStats.nodes = programStats.depth = programStats.time =
13229 programStats.score = programStats.got_only_move = 0;
13230 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13232 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13233 strcat(bookMove, bookHit);
13234 HandleMachineMove(bookMove, &first);
13239 MachineBlackEvent ()
13242 char *bookHit = NULL;
13244 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13248 if (gameMode == PlayFromGameFile ||
13249 gameMode == TwoMachinesPlay ||
13250 gameMode == Training ||
13251 gameMode == AnalyzeMode ||
13252 gameMode == EndOfGame)
13255 if (gameMode == EditPosition)
13256 EditPositionDone(TRUE);
13258 if (WhiteOnMove(currentMove)) {
13259 DisplayError(_("It is not Black's turn"), 0);
13263 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13266 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13267 gameMode == AnalyzeFile)
13270 ResurrectChessProgram(); /* in case it isn't running */
13271 gameMode = MachinePlaysBlack;
13275 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13277 if (first.sendName) {
13278 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13279 SendToProgram(buf, &first);
13281 if (first.sendTime) {
13282 if (first.useColors) {
13283 SendToProgram("white\n", &first); /*gnu kludge*/
13285 SendTimeRemaining(&first, FALSE);
13287 if (first.useColors) {
13288 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13290 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13291 SetMachineThinkingEnables();
13292 first.maybeThinking = TRUE;
13295 if (appData.autoFlipView && flipView) {
13296 flipView = !flipView;
13297 DrawPosition(FALSE, NULL);
13298 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13300 if(bookHit) { // [HGM] book: simulate book reply
13301 static char bookMove[MSG_SIZ]; // a bit generous?
13303 programStats.nodes = programStats.depth = programStats.time =
13304 programStats.score = programStats.got_only_move = 0;
13305 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13307 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13308 strcat(bookMove, bookHit);
13309 HandleMachineMove(bookMove, &first);
13315 DisplayTwoMachinesTitle ()
13318 if (appData.matchGames > 0) {
13319 if(appData.tourneyFile[0]) {
13320 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13321 gameInfo.white, _("vs."), gameInfo.black,
13322 nextGame+1, appData.matchGames+1,
13323 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13325 if (first.twoMachinesColor[0] == 'w') {
13326 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13327 gameInfo.white, _("vs."), gameInfo.black,
13328 first.matchWins, second.matchWins,
13329 matchGame - 1 - (first.matchWins + second.matchWins));
13331 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13332 gameInfo.white, _("vs."), gameInfo.black,
13333 second.matchWins, first.matchWins,
13334 matchGame - 1 - (first.matchWins + second.matchWins));
13337 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13343 SettingsMenuIfReady ()
13345 if (second.lastPing != second.lastPong) {
13346 DisplayMessage("", _("Waiting for second chess program"));
13347 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13351 DisplayMessage("", "");
13352 SettingsPopUp(&second);
13356 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13359 if (cps->pr == NoProc) {
13360 StartChessProgram(cps);
13361 if (cps->protocolVersion == 1) {
13364 /* kludge: allow timeout for initial "feature" command */
13366 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13367 DisplayMessage("", buf);
13368 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13376 TwoMachinesEvent P((void))
13380 ChessProgramState *onmove;
13381 char *bookHit = NULL;
13382 static int stalling = 0;
13386 if (appData.noChessProgram) return;
13388 switch (gameMode) {
13389 case TwoMachinesPlay:
13391 case MachinePlaysWhite:
13392 case MachinePlaysBlack:
13393 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13394 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13398 case BeginningOfGame:
13399 case PlayFromGameFile:
13402 if (gameMode != EditGame) return;
13405 EditPositionDone(TRUE);
13416 // forwardMostMove = currentMove;
13417 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13419 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13421 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13422 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13423 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13427 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13428 SendToProgram("force\n", &second);
13430 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13433 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13434 if(appData.matchPause>10000 || appData.matchPause<10)
13435 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13436 wait = SubtractTimeMarks(&now, &pauseStart);
13437 if(wait < appData.matchPause) {
13438 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13441 // we are now committed to starting the game
13443 DisplayMessage("", "");
13444 if (startedFromSetupPosition) {
13445 SendBoard(&second, backwardMostMove);
13446 if (appData.debugMode) {
13447 fprintf(debugFP, "Two Machines\n");
13450 for (i = backwardMostMove; i < forwardMostMove; i++) {
13451 SendMoveToProgram(i, &second);
13454 gameMode = TwoMachinesPlay;
13456 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13458 DisplayTwoMachinesTitle();
13460 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13465 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13466 SendToProgram(first.computerString, &first);
13467 if (first.sendName) {
13468 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13469 SendToProgram(buf, &first);
13471 SendToProgram(second.computerString, &second);
13472 if (second.sendName) {
13473 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13474 SendToProgram(buf, &second);
13478 if (!first.sendTime || !second.sendTime) {
13479 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13480 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13482 if (onmove->sendTime) {
13483 if (onmove->useColors) {
13484 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13486 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13488 if (onmove->useColors) {
13489 SendToProgram(onmove->twoMachinesColor, onmove);
13491 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13492 // SendToProgram("go\n", onmove);
13493 onmove->maybeThinking = TRUE;
13494 SetMachineThinkingEnables();
13498 if(bookHit) { // [HGM] book: simulate book reply
13499 static char bookMove[MSG_SIZ]; // a bit generous?
13501 programStats.nodes = programStats.depth = programStats.time =
13502 programStats.score = programStats.got_only_move = 0;
13503 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13505 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13506 strcat(bookMove, bookHit);
13507 savedMessage = bookMove; // args for deferred call
13508 savedState = onmove;
13509 ScheduleDelayedEvent(DeferredBookMove, 1);
13516 if (gameMode == Training) {
13517 SetTrainingModeOff();
13518 gameMode = PlayFromGameFile;
13519 DisplayMessage("", _("Training mode off"));
13521 gameMode = Training;
13522 animateTraining = appData.animate;
13524 /* make sure we are not already at the end of the game */
13525 if (currentMove < forwardMostMove) {
13526 SetTrainingModeOn();
13527 DisplayMessage("", _("Training mode on"));
13529 gameMode = PlayFromGameFile;
13530 DisplayError(_("Already at end of game"), 0);
13539 if (!appData.icsActive) return;
13540 switch (gameMode) {
13541 case IcsPlayingWhite:
13542 case IcsPlayingBlack:
13545 case BeginningOfGame:
13553 EditPositionDone(TRUE);
13566 gameMode = IcsIdle;
13576 switch (gameMode) {
13578 SetTrainingModeOff();
13580 case MachinePlaysWhite:
13581 case MachinePlaysBlack:
13582 case BeginningOfGame:
13583 SendToProgram("force\n", &first);
13584 SetUserThinkingEnables();
13586 case PlayFromGameFile:
13587 (void) StopLoadGameTimer();
13588 if (gameFileFP != NULL) {
13593 EditPositionDone(TRUE);
13598 SendToProgram("force\n", &first);
13600 case TwoMachinesPlay:
13601 GameEnds(EndOfFile, NULL, GE_PLAYER);
13602 ResurrectChessProgram();
13603 SetUserThinkingEnables();
13606 ResurrectChessProgram();
13608 case IcsPlayingBlack:
13609 case IcsPlayingWhite:
13610 DisplayError(_("Warning: You are still playing a game"), 0);
13613 DisplayError(_("Warning: You are still observing a game"), 0);
13616 DisplayError(_("Warning: You are still examining a game"), 0);
13627 first.offeredDraw = second.offeredDraw = 0;
13629 if (gameMode == PlayFromGameFile) {
13630 whiteTimeRemaining = timeRemaining[0][currentMove];
13631 blackTimeRemaining = timeRemaining[1][currentMove];
13635 if (gameMode == MachinePlaysWhite ||
13636 gameMode == MachinePlaysBlack ||
13637 gameMode == TwoMachinesPlay ||
13638 gameMode == EndOfGame) {
13639 i = forwardMostMove;
13640 while (i > currentMove) {
13641 SendToProgram("undo\n", &first);
13644 if(!adjustedClock) {
13645 whiteTimeRemaining = timeRemaining[0][currentMove];
13646 blackTimeRemaining = timeRemaining[1][currentMove];
13647 DisplayBothClocks();
13649 if (whiteFlag || blackFlag) {
13650 whiteFlag = blackFlag = 0;
13655 gameMode = EditGame;
13662 EditPositionEvent ()
13664 if (gameMode == EditPosition) {
13670 if (gameMode != EditGame) return;
13672 gameMode = EditPosition;
13675 if (currentMove > 0)
13676 CopyBoard(boards[0], boards[currentMove]);
13678 blackPlaysFirst = !WhiteOnMove(currentMove);
13680 currentMove = forwardMostMove = backwardMostMove = 0;
13681 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13688 /* [DM] icsEngineAnalyze - possible call from other functions */
13689 if (appData.icsEngineAnalyze) {
13690 appData.icsEngineAnalyze = FALSE;
13692 DisplayMessage("",_("Close ICS engine analyze..."));
13694 if (first.analysisSupport && first.analyzing) {
13695 SendToProgram("exit\n", &first);
13696 first.analyzing = FALSE;
13698 thinkOutput[0] = NULLCHAR;
13702 EditPositionDone (Boolean fakeRights)
13704 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13706 startedFromSetupPosition = TRUE;
13707 InitChessProgram(&first, FALSE);
13708 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13709 boards[0][EP_STATUS] = EP_NONE;
13710 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13711 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13712 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13713 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13714 } else boards[0][CASTLING][2] = NoRights;
13715 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13716 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13717 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13718 } else boards[0][CASTLING][5] = NoRights;
13720 SendToProgram("force\n", &first);
13721 if (blackPlaysFirst) {
13722 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13723 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13724 currentMove = forwardMostMove = backwardMostMove = 1;
13725 CopyBoard(boards[1], boards[0]);
13727 currentMove = forwardMostMove = backwardMostMove = 0;
13729 SendBoard(&first, forwardMostMove);
13730 if (appData.debugMode) {
13731 fprintf(debugFP, "EditPosDone\n");
13734 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13735 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13736 gameMode = EditGame;
13738 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13739 ClearHighlights(); /* [AS] */
13742 /* Pause for `ms' milliseconds */
13743 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13745 TimeDelay (long ms)
13752 } while (SubtractTimeMarks(&m2, &m1) < ms);
13755 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13757 SendMultiLineToICS (char *buf)
13759 char temp[MSG_SIZ+1], *p;
13766 strncpy(temp, buf, len);
13771 if (*p == '\n' || *p == '\r')
13776 strcat(temp, "\n");
13778 SendToPlayer(temp, strlen(temp));
13782 SetWhiteToPlayEvent ()
13784 if (gameMode == EditPosition) {
13785 blackPlaysFirst = FALSE;
13786 DisplayBothClocks(); /* works because currentMove is 0 */
13787 } else if (gameMode == IcsExamining) {
13788 SendToICS(ics_prefix);
13789 SendToICS("tomove white\n");
13794 SetBlackToPlayEvent ()
13796 if (gameMode == EditPosition) {
13797 blackPlaysFirst = TRUE;
13798 currentMove = 1; /* kludge */
13799 DisplayBothClocks();
13801 } else if (gameMode == IcsExamining) {
13802 SendToICS(ics_prefix);
13803 SendToICS("tomove black\n");
13808 EditPositionMenuEvent (ChessSquare selection, int x, int y)
13811 ChessSquare piece = boards[0][y][x];
13813 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13815 switch (selection) {
13817 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13818 SendToICS(ics_prefix);
13819 SendToICS("bsetup clear\n");
13820 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13821 SendToICS(ics_prefix);
13822 SendToICS("clearboard\n");
13824 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13825 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13826 for (y = 0; y < BOARD_HEIGHT; y++) {
13827 if (gameMode == IcsExamining) {
13828 if (boards[currentMove][y][x] != EmptySquare) {
13829 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13834 boards[0][y][x] = p;
13839 if (gameMode == EditPosition) {
13840 DrawPosition(FALSE, boards[0]);
13845 SetWhiteToPlayEvent();
13849 SetBlackToPlayEvent();
13853 if (gameMode == IcsExamining) {
13854 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13855 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13858 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13859 if(x == BOARD_LEFT-2) {
13860 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13861 boards[0][y][1] = 0;
13863 if(x == BOARD_RGHT+1) {
13864 if(y >= gameInfo.holdingsSize) break;
13865 boards[0][y][BOARD_WIDTH-2] = 0;
13868 boards[0][y][x] = EmptySquare;
13869 DrawPosition(FALSE, boards[0]);
13874 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13875 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13876 selection = (ChessSquare) (PROMOTED piece);
13877 } else if(piece == EmptySquare) selection = WhiteSilver;
13878 else selection = (ChessSquare)((int)piece - 1);
13882 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13883 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13884 selection = (ChessSquare) (DEMOTED piece);
13885 } else if(piece == EmptySquare) selection = BlackSilver;
13886 else selection = (ChessSquare)((int)piece + 1);
13891 if(gameInfo.variant == VariantShatranj ||
13892 gameInfo.variant == VariantXiangqi ||
13893 gameInfo.variant == VariantCourier ||
13894 gameInfo.variant == VariantMakruk )
13895 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13900 if(gameInfo.variant == VariantXiangqi)
13901 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13902 if(gameInfo.variant == VariantKnightmate)
13903 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13906 if (gameMode == IcsExamining) {
13907 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13908 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13909 PieceToChar(selection), AAA + x, ONE + y);
13912 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13914 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13915 n = PieceToNumber(selection - BlackPawn);
13916 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13917 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13918 boards[0][BOARD_HEIGHT-1-n][1]++;
13920 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13921 n = PieceToNumber(selection);
13922 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13923 boards[0][n][BOARD_WIDTH-1] = selection;
13924 boards[0][n][BOARD_WIDTH-2]++;
13927 boards[0][y][x] = selection;
13928 DrawPosition(TRUE, boards[0]);
13930 fromX = fromY = -1;
13938 DropMenuEvent (ChessSquare selection, int x, int y)
13940 ChessMove moveType;
13942 switch (gameMode) {
13943 case IcsPlayingWhite:
13944 case MachinePlaysBlack:
13945 if (!WhiteOnMove(currentMove)) {
13946 DisplayMoveError(_("It is Black's turn"));
13949 moveType = WhiteDrop;
13951 case IcsPlayingBlack:
13952 case MachinePlaysWhite:
13953 if (WhiteOnMove(currentMove)) {
13954 DisplayMoveError(_("It is White's turn"));
13957 moveType = BlackDrop;
13960 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13966 if (moveType == BlackDrop && selection < BlackPawn) {
13967 selection = (ChessSquare) ((int) selection
13968 + (int) BlackPawn - (int) WhitePawn);
13970 if (boards[currentMove][y][x] != EmptySquare) {
13971 DisplayMoveError(_("That square is occupied"));
13975 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13981 /* Accept a pending offer of any kind from opponent */
13983 if (appData.icsActive) {
13984 SendToICS(ics_prefix);
13985 SendToICS("accept\n");
13986 } else if (cmailMsgLoaded) {
13987 if (currentMove == cmailOldMove &&
13988 commentList[cmailOldMove] != NULL &&
13989 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13990 "Black offers a draw" : "White offers a draw")) {
13992 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13993 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13995 DisplayError(_("There is no pending offer on this move"), 0);
13996 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13999 /* Not used for offers from chess program */
14006 /* Decline a pending offer of any kind from opponent */
14008 if (appData.icsActive) {
14009 SendToICS(ics_prefix);
14010 SendToICS("decline\n");
14011 } else if (cmailMsgLoaded) {
14012 if (currentMove == cmailOldMove &&
14013 commentList[cmailOldMove] != NULL &&
14014 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14015 "Black offers a draw" : "White offers a draw")) {
14017 AppendComment(cmailOldMove, "Draw declined", TRUE);
14018 DisplayComment(cmailOldMove - 1, "Draw declined");
14021 DisplayError(_("There is no pending offer on this move"), 0);
14024 /* Not used for offers from chess program */
14031 /* Issue ICS rematch command */
14032 if (appData.icsActive) {
14033 SendToICS(ics_prefix);
14034 SendToICS("rematch\n");
14041 /* Call your opponent's flag (claim a win on time) */
14042 if (appData.icsActive) {
14043 SendToICS(ics_prefix);
14044 SendToICS("flag\n");
14046 switch (gameMode) {
14049 case MachinePlaysWhite:
14052 GameEnds(GameIsDrawn, "Both players ran out of time",
14055 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14057 DisplayError(_("Your opponent is not out of time"), 0);
14060 case MachinePlaysBlack:
14063 GameEnds(GameIsDrawn, "Both players ran out of time",
14066 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14068 DisplayError(_("Your opponent is not out of time"), 0);
14076 ClockClick (int which)
14077 { // [HGM] code moved to back-end from winboard.c
14078 if(which) { // black clock
14079 if (gameMode == EditPosition || gameMode == IcsExamining) {
14080 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14081 SetBlackToPlayEvent();
14082 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14083 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14084 } else if (shiftKey) {
14085 AdjustClock(which, -1);
14086 } else if (gameMode == IcsPlayingWhite ||
14087 gameMode == MachinePlaysBlack) {
14090 } else { // white clock
14091 if (gameMode == EditPosition || gameMode == IcsExamining) {
14092 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14093 SetWhiteToPlayEvent();
14094 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14095 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14096 } else if (shiftKey) {
14097 AdjustClock(which, -1);
14098 } else if (gameMode == IcsPlayingBlack ||
14099 gameMode == MachinePlaysWhite) {
14108 /* Offer draw or accept pending draw offer from opponent */
14110 if (appData.icsActive) {
14111 /* Note: tournament rules require draw offers to be
14112 made after you make your move but before you punch
14113 your clock. Currently ICS doesn't let you do that;
14114 instead, you immediately punch your clock after making
14115 a move, but you can offer a draw at any time. */
14117 SendToICS(ics_prefix);
14118 SendToICS("draw\n");
14119 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14120 } else if (cmailMsgLoaded) {
14121 if (currentMove == cmailOldMove &&
14122 commentList[cmailOldMove] != NULL &&
14123 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14124 "Black offers a draw" : "White offers a draw")) {
14125 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14126 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14127 } else if (currentMove == cmailOldMove + 1) {
14128 char *offer = WhiteOnMove(cmailOldMove) ?
14129 "White offers a draw" : "Black offers a draw";
14130 AppendComment(currentMove, offer, TRUE);
14131 DisplayComment(currentMove - 1, offer);
14132 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14134 DisplayError(_("You must make your move before offering a draw"), 0);
14135 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14137 } else if (first.offeredDraw) {
14138 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14140 if (first.sendDrawOffers) {
14141 SendToProgram("draw\n", &first);
14142 userOfferedDraw = TRUE;
14150 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14152 if (appData.icsActive) {
14153 SendToICS(ics_prefix);
14154 SendToICS("adjourn\n");
14156 /* Currently GNU Chess doesn't offer or accept Adjourns */
14164 /* Offer Abort or accept pending Abort offer from opponent */
14166 if (appData.icsActive) {
14167 SendToICS(ics_prefix);
14168 SendToICS("abort\n");
14170 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14177 /* Resign. You can do this even if it's not your turn. */
14179 if (appData.icsActive) {
14180 SendToICS(ics_prefix);
14181 SendToICS("resign\n");
14183 switch (gameMode) {
14184 case MachinePlaysWhite:
14185 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14187 case MachinePlaysBlack:
14188 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14191 if (cmailMsgLoaded) {
14193 if (WhiteOnMove(cmailOldMove)) {
14194 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14196 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14198 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14209 StopObservingEvent ()
14211 /* Stop observing current games */
14212 SendToICS(ics_prefix);
14213 SendToICS("unobserve\n");
14217 StopExaminingEvent ()
14219 /* Stop observing current game */
14220 SendToICS(ics_prefix);
14221 SendToICS("unexamine\n");
14225 ForwardInner (int target)
14227 int limit; int oldSeekGraphUp = seekGraphUp;
14229 if (appData.debugMode)
14230 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14231 target, currentMove, forwardMostMove);
14233 if (gameMode == EditPosition)
14236 seekGraphUp = FALSE;
14237 MarkTargetSquares(1);
14239 if (gameMode == PlayFromGameFile && !pausing)
14242 if (gameMode == IcsExamining && pausing)
14243 limit = pauseExamForwardMostMove;
14245 limit = forwardMostMove;
14247 if (target > limit) target = limit;
14249 if (target > 0 && moveList[target - 1][0]) {
14250 int fromX, fromY, toX, toY;
14251 toX = moveList[target - 1][2] - AAA;
14252 toY = moveList[target - 1][3] - ONE;
14253 if (moveList[target - 1][1] == '@') {
14254 if (appData.highlightLastMove) {
14255 SetHighlights(-1, -1, toX, toY);
14258 fromX = moveList[target - 1][0] - AAA;
14259 fromY = moveList[target - 1][1] - ONE;
14260 if (target == currentMove + 1) {
14261 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14263 if (appData.highlightLastMove) {
14264 SetHighlights(fromX, fromY, toX, toY);
14268 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14269 gameMode == Training || gameMode == PlayFromGameFile ||
14270 gameMode == AnalyzeFile) {
14271 while (currentMove < target) {
14272 SendMoveToProgram(currentMove++, &first);
14275 currentMove = target;
14278 if (gameMode == EditGame || gameMode == EndOfGame) {
14279 whiteTimeRemaining = timeRemaining[0][currentMove];
14280 blackTimeRemaining = timeRemaining[1][currentMove];
14282 DisplayBothClocks();
14283 DisplayMove(currentMove - 1);
14284 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14285 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14286 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14287 DisplayComment(currentMove - 1, commentList[currentMove]);
14295 if (gameMode == IcsExamining && !pausing) {
14296 SendToICS(ics_prefix);
14297 SendToICS("forward\n");
14299 ForwardInner(currentMove + 1);
14306 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14307 /* to optimze, we temporarily turn off analysis mode while we feed
14308 * the remaining moves to the engine. Otherwise we get analysis output
14311 if (first.analysisSupport) {
14312 SendToProgram("exit\nforce\n", &first);
14313 first.analyzing = FALSE;
14317 if (gameMode == IcsExamining && !pausing) {
14318 SendToICS(ics_prefix);
14319 SendToICS("forward 999999\n");
14321 ForwardInner(forwardMostMove);
14324 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14325 /* we have fed all the moves, so reactivate analysis mode */
14326 SendToProgram("analyze\n", &first);
14327 first.analyzing = TRUE;
14328 /*first.maybeThinking = TRUE;*/
14329 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14334 BackwardInner (int target)
14336 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14338 if (appData.debugMode)
14339 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14340 target, currentMove, forwardMostMove);
14342 if (gameMode == EditPosition) return;
14343 seekGraphUp = FALSE;
14344 MarkTargetSquares(1);
14345 if (currentMove <= backwardMostMove) {
14347 DrawPosition(full_redraw, boards[currentMove]);
14350 if (gameMode == PlayFromGameFile && !pausing)
14353 if (moveList[target][0]) {
14354 int fromX, fromY, toX, toY;
14355 toX = moveList[target][2] - AAA;
14356 toY = moveList[target][3] - ONE;
14357 if (moveList[target][1] == '@') {
14358 if (appData.highlightLastMove) {
14359 SetHighlights(-1, -1, toX, toY);
14362 fromX = moveList[target][0] - AAA;
14363 fromY = moveList[target][1] - ONE;
14364 if (target == currentMove - 1) {
14365 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14367 if (appData.highlightLastMove) {
14368 SetHighlights(fromX, fromY, toX, toY);
14372 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14373 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14374 while (currentMove > target) {
14375 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14376 // null move cannot be undone. Reload program with move history before it.
14378 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14379 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14381 SendBoard(&first, i);
14382 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14385 SendToProgram("undo\n", &first);
14389 currentMove = target;
14392 if (gameMode == EditGame || gameMode == EndOfGame) {
14393 whiteTimeRemaining = timeRemaining[0][currentMove];
14394 blackTimeRemaining = timeRemaining[1][currentMove];
14396 DisplayBothClocks();
14397 DisplayMove(currentMove - 1);
14398 DrawPosition(full_redraw, boards[currentMove]);
14399 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14400 // [HGM] PV info: routine tests if comment empty
14401 DisplayComment(currentMove - 1, commentList[currentMove]);
14407 if (gameMode == IcsExamining && !pausing) {
14408 SendToICS(ics_prefix);
14409 SendToICS("backward\n");
14411 BackwardInner(currentMove - 1);
14418 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14419 /* to optimize, we temporarily turn off analysis mode while we undo
14420 * all the moves. Otherwise we get analysis output after each undo.
14422 if (first.analysisSupport) {
14423 SendToProgram("exit\nforce\n", &first);
14424 first.analyzing = FALSE;
14428 if (gameMode == IcsExamining && !pausing) {
14429 SendToICS(ics_prefix);
14430 SendToICS("backward 999999\n");
14432 BackwardInner(backwardMostMove);
14435 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14436 /* we have fed all the moves, so reactivate analysis mode */
14437 SendToProgram("analyze\n", &first);
14438 first.analyzing = TRUE;
14439 /*first.maybeThinking = TRUE;*/
14440 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14447 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14448 if (to >= forwardMostMove) to = forwardMostMove;
14449 if (to <= backwardMostMove) to = backwardMostMove;
14450 if (to < currentMove) {
14458 RevertEvent (Boolean annotate)
14460 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14463 if (gameMode != IcsExamining) {
14464 DisplayError(_("You are not examining a game"), 0);
14468 DisplayError(_("You can't revert while pausing"), 0);
14471 SendToICS(ics_prefix);
14472 SendToICS("revert\n");
14476 RetractMoveEvent ()
14478 switch (gameMode) {
14479 case MachinePlaysWhite:
14480 case MachinePlaysBlack:
14481 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14482 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14485 if (forwardMostMove < 2) return;
14486 currentMove = forwardMostMove = forwardMostMove - 2;
14487 whiteTimeRemaining = timeRemaining[0][currentMove];
14488 blackTimeRemaining = timeRemaining[1][currentMove];
14489 DisplayBothClocks();
14490 DisplayMove(currentMove - 1);
14491 ClearHighlights();/*!! could figure this out*/
14492 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14493 SendToProgram("remove\n", &first);
14494 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14497 case BeginningOfGame:
14501 case IcsPlayingWhite:
14502 case IcsPlayingBlack:
14503 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14504 SendToICS(ics_prefix);
14505 SendToICS("takeback 2\n");
14507 SendToICS(ics_prefix);
14508 SendToICS("takeback 1\n");
14517 ChessProgramState *cps;
14519 switch (gameMode) {
14520 case MachinePlaysWhite:
14521 if (!WhiteOnMove(forwardMostMove)) {
14522 DisplayError(_("It is your turn"), 0);
14527 case MachinePlaysBlack:
14528 if (WhiteOnMove(forwardMostMove)) {
14529 DisplayError(_("It is your turn"), 0);
14534 case TwoMachinesPlay:
14535 if (WhiteOnMove(forwardMostMove) ==
14536 (first.twoMachinesColor[0] == 'w')) {
14542 case BeginningOfGame:
14546 SendToProgram("?\n", cps);
14550 TruncateGameEvent ()
14553 if (gameMode != EditGame) return;
14560 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14561 if (forwardMostMove > currentMove) {
14562 if (gameInfo.resultDetails != NULL) {
14563 free(gameInfo.resultDetails);
14564 gameInfo.resultDetails = NULL;
14565 gameInfo.result = GameUnfinished;
14567 forwardMostMove = currentMove;
14568 HistorySet(parseList, backwardMostMove, forwardMostMove,
14576 if (appData.noChessProgram) return;
14577 switch (gameMode) {
14578 case MachinePlaysWhite:
14579 if (WhiteOnMove(forwardMostMove)) {
14580 DisplayError(_("Wait until your turn"), 0);
14584 case BeginningOfGame:
14585 case MachinePlaysBlack:
14586 if (!WhiteOnMove(forwardMostMove)) {
14587 DisplayError(_("Wait until your turn"), 0);
14592 DisplayError(_("No hint available"), 0);
14595 SendToProgram("hint\n", &first);
14596 hintRequested = TRUE;
14602 if (appData.noChessProgram) return;
14603 switch (gameMode) {
14604 case MachinePlaysWhite:
14605 if (WhiteOnMove(forwardMostMove)) {
14606 DisplayError(_("Wait until your turn"), 0);
14610 case BeginningOfGame:
14611 case MachinePlaysBlack:
14612 if (!WhiteOnMove(forwardMostMove)) {
14613 DisplayError(_("Wait until your turn"), 0);
14618 EditPositionDone(TRUE);
14620 case TwoMachinesPlay:
14625 SendToProgram("bk\n", &first);
14626 bookOutput[0] = NULLCHAR;
14627 bookRequested = TRUE;
14633 char *tags = PGNTags(&gameInfo);
14634 TagsPopUp(tags, CmailMsg());
14638 /* end button procedures */
14641 PrintPosition (FILE *fp, int move)
14645 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14646 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14647 char c = PieceToChar(boards[move][i][j]);
14648 fputc(c == 'x' ? '.' : c, fp);
14649 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14652 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14653 fprintf(fp, "white to play\n");
14655 fprintf(fp, "black to play\n");
14659 PrintOpponents (FILE *fp)
14661 if (gameInfo.white != NULL) {
14662 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14668 /* Find last component of program's own name, using some heuristics */
14670 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14673 int local = (strcmp(host, "localhost") == 0);
14674 while (!local && (p = strchr(prog, ';')) != NULL) {
14676 while (*p == ' ') p++;
14679 if (*prog == '"' || *prog == '\'') {
14680 q = strchr(prog + 1, *prog);
14682 q = strchr(prog, ' ');
14684 if (q == NULL) q = prog + strlen(prog);
14686 while (p >= prog && *p != '/' && *p != '\\') p--;
14688 if(p == prog && *p == '"') p++;
14690 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14691 memcpy(buf, p, q - p);
14692 buf[q - p] = NULLCHAR;
14700 TimeControlTagValue ()
14703 if (!appData.clockMode) {
14704 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14705 } else if (movesPerSession > 0) {
14706 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14707 } else if (timeIncrement == 0) {
14708 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14710 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14712 return StrSave(buf);
14718 /* This routine is used only for certain modes */
14719 VariantClass v = gameInfo.variant;
14720 ChessMove r = GameUnfinished;
14723 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14724 r = gameInfo.result;
14725 p = gameInfo.resultDetails;
14726 gameInfo.resultDetails = NULL;
14728 ClearGameInfo(&gameInfo);
14729 gameInfo.variant = v;
14731 switch (gameMode) {
14732 case MachinePlaysWhite:
14733 gameInfo.event = StrSave( appData.pgnEventHeader );
14734 gameInfo.site = StrSave(HostName());
14735 gameInfo.date = PGNDate();
14736 gameInfo.round = StrSave("-");
14737 gameInfo.white = StrSave(first.tidy);
14738 gameInfo.black = StrSave(UserName());
14739 gameInfo.timeControl = TimeControlTagValue();
14742 case MachinePlaysBlack:
14743 gameInfo.event = StrSave( appData.pgnEventHeader );
14744 gameInfo.site = StrSave(HostName());
14745 gameInfo.date = PGNDate();
14746 gameInfo.round = StrSave("-");
14747 gameInfo.white = StrSave(UserName());
14748 gameInfo.black = StrSave(first.tidy);
14749 gameInfo.timeControl = TimeControlTagValue();
14752 case TwoMachinesPlay:
14753 gameInfo.event = StrSave( appData.pgnEventHeader );
14754 gameInfo.site = StrSave(HostName());
14755 gameInfo.date = PGNDate();
14758 snprintf(buf, MSG_SIZ, "%d", roundNr);
14759 gameInfo.round = StrSave(buf);
14761 gameInfo.round = StrSave("-");
14763 if (first.twoMachinesColor[0] == 'w') {
14764 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14765 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14767 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14768 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14770 gameInfo.timeControl = TimeControlTagValue();
14774 gameInfo.event = StrSave("Edited game");
14775 gameInfo.site = StrSave(HostName());
14776 gameInfo.date = PGNDate();
14777 gameInfo.round = StrSave("-");
14778 gameInfo.white = StrSave("-");
14779 gameInfo.black = StrSave("-");
14780 gameInfo.result = r;
14781 gameInfo.resultDetails = p;
14785 gameInfo.event = StrSave("Edited position");
14786 gameInfo.site = StrSave(HostName());
14787 gameInfo.date = PGNDate();
14788 gameInfo.round = StrSave("-");
14789 gameInfo.white = StrSave("-");
14790 gameInfo.black = StrSave("-");
14793 case IcsPlayingWhite:
14794 case IcsPlayingBlack:
14799 case PlayFromGameFile:
14800 gameInfo.event = StrSave("Game from non-PGN file");
14801 gameInfo.site = StrSave(HostName());
14802 gameInfo.date = PGNDate();
14803 gameInfo.round = StrSave("-");
14804 gameInfo.white = StrSave("?");
14805 gameInfo.black = StrSave("?");
14814 ReplaceComment (int index, char *text)
14820 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14821 pvInfoList[index-1].depth == len &&
14822 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14823 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14824 while (*text == '\n') text++;
14825 len = strlen(text);
14826 while (len > 0 && text[len - 1] == '\n') len--;
14828 if (commentList[index] != NULL)
14829 free(commentList[index]);
14832 commentList[index] = NULL;
14835 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14836 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14837 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14838 commentList[index] = (char *) malloc(len + 2);
14839 strncpy(commentList[index], text, len);
14840 commentList[index][len] = '\n';
14841 commentList[index][len + 1] = NULLCHAR;
14843 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14845 commentList[index] = (char *) malloc(len + 7);
14846 safeStrCpy(commentList[index], "{\n", 3);
14847 safeStrCpy(commentList[index]+2, text, len+1);
14848 commentList[index][len+2] = NULLCHAR;
14849 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14850 strcat(commentList[index], "\n}\n");
14855 CrushCRs (char *text)
14863 if (ch == '\r') continue;
14865 } while (ch != '\0');
14869 AppendComment (int index, char *text, Boolean addBraces)
14870 /* addBraces tells if we should add {} */
14875 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14876 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14879 while (*text == '\n') text++;
14880 len = strlen(text);
14881 while (len > 0 && text[len - 1] == '\n') len--;
14882 text[len] = NULLCHAR;
14884 if (len == 0) return;
14886 if (commentList[index] != NULL) {
14887 Boolean addClosingBrace = addBraces;
14888 old = commentList[index];
14889 oldlen = strlen(old);
14890 while(commentList[index][oldlen-1] == '\n')
14891 commentList[index][--oldlen] = NULLCHAR;
14892 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14893 safeStrCpy(commentList[index], old, oldlen + len + 6);
14895 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14896 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14897 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14898 while (*text == '\n') { text++; len--; }
14899 commentList[index][--oldlen] = NULLCHAR;
14901 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14902 else strcat(commentList[index], "\n");
14903 strcat(commentList[index], text);
14904 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14905 else strcat(commentList[index], "\n");
14907 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14909 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14910 else commentList[index][0] = NULLCHAR;
14911 strcat(commentList[index], text);
14912 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14913 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14918 FindStr (char * text, char * sub_text)
14920 char * result = strstr( text, sub_text );
14922 if( result != NULL ) {
14923 result += strlen( sub_text );
14929 /* [AS] Try to extract PV info from PGN comment */
14930 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14932 GetInfoFromComment (int index, char * text)
14934 char * sep = text, *p;
14936 if( text != NULL && index > 0 ) {
14939 int time = -1, sec = 0, deci;
14940 char * s_eval = FindStr( text, "[%eval " );
14941 char * s_emt = FindStr( text, "[%emt " );
14943 if( s_eval != NULL || s_emt != NULL ) {
14947 if( s_eval != NULL ) {
14948 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14952 if( delim != ']' ) {
14957 if( s_emt != NULL ) {
14962 /* We expect something like: [+|-]nnn.nn/dd */
14965 if(*text != '{') return text; // [HGM] braces: must be normal comment
14967 sep = strchr( text, '/' );
14968 if( sep == NULL || sep < (text+4) ) {
14973 if(p[1] == '(') { // comment starts with PV
14974 p = strchr(p, ')'); // locate end of PV
14975 if(p == NULL || sep < p+5) return text;
14976 // at this point we have something like "{(.*) +0.23/6 ..."
14977 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14978 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14979 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14981 time = -1; sec = -1; deci = -1;
14982 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14983 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14984 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14985 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14989 if( score_lo < 0 || score_lo >= 100 ) {
14993 if(sec >= 0) time = 600*time + 10*sec; else
14994 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14996 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14998 /* [HGM] PV time: now locate end of PV info */
14999 while( *++sep >= '0' && *sep <= '9'); // strip depth
15001 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15003 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15005 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15006 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15017 pvInfoList[index-1].depth = depth;
15018 pvInfoList[index-1].score = score;
15019 pvInfoList[index-1].time = 10*time; // centi-sec
15020 if(*sep == '}') *sep = 0; else *--sep = '{';
15021 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15027 SendToProgram (char *message, ChessProgramState *cps)
15029 int count, outCount, error;
15032 if (cps->pr == NoProc) return;
15035 if (appData.debugMode) {
15038 fprintf(debugFP, "%ld >%-6s: %s",
15039 SubtractTimeMarks(&now, &programStartTime),
15040 cps->which, message);
15042 fprintf(serverFP, "%ld >%-6s: %s",
15043 SubtractTimeMarks(&now, &programStartTime),
15044 cps->which, message), fflush(serverFP);
15047 count = strlen(message);
15048 outCount = OutputToProcess(cps->pr, message, count, &error);
15049 if (outCount < count && !exiting
15050 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15051 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15052 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15053 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15054 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15055 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15056 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15057 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15059 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15060 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15061 gameInfo.result = res;
15063 gameInfo.resultDetails = StrSave(buf);
15065 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15066 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15071 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15075 ChessProgramState *cps = (ChessProgramState *)closure;
15077 if (isr != cps->isr) return; /* Killed intentionally */
15080 RemoveInputSource(cps->isr);
15081 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15082 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15083 _(cps->which), cps->program);
15084 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15085 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15086 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15087 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15088 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15090 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15091 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15092 gameInfo.result = res;
15094 gameInfo.resultDetails = StrSave(buf);
15096 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15097 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15099 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15100 _(cps->which), cps->program);
15101 RemoveInputSource(cps->isr);
15103 /* [AS] Program is misbehaving badly... kill it */
15104 if( count == -2 ) {
15105 DestroyChildProcess( cps->pr, 9 );
15109 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15114 if ((end_str = strchr(message, '\r')) != NULL)
15115 *end_str = NULLCHAR;
15116 if ((end_str = strchr(message, '\n')) != NULL)
15117 *end_str = NULLCHAR;
15119 if (appData.debugMode) {
15120 TimeMark now; int print = 1;
15121 char *quote = ""; char c; int i;
15123 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15124 char start = message[0];
15125 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15126 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15127 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15128 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15129 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15130 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15131 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15132 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15133 sscanf(message, "hint: %c", &c)!=1 &&
15134 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15135 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15136 print = (appData.engineComments >= 2);
15138 message[0] = start; // restore original message
15142 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15143 SubtractTimeMarks(&now, &programStartTime), cps->which,
15147 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15148 SubtractTimeMarks(&now, &programStartTime), cps->which,
15150 message), fflush(serverFP);
15154 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15155 if (appData.icsEngineAnalyze) {
15156 if (strstr(message, "whisper") != NULL ||
15157 strstr(message, "kibitz") != NULL ||
15158 strstr(message, "tellics") != NULL) return;
15161 HandleMachineMove(message, cps);
15166 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15171 if( timeControl_2 > 0 ) {
15172 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15173 tc = timeControl_2;
15176 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15177 inc /= cps->timeOdds;
15178 st /= cps->timeOdds;
15180 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15183 /* Set exact time per move, normally using st command */
15184 if (cps->stKludge) {
15185 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15187 if (seconds == 0) {
15188 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15190 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15193 snprintf(buf, MSG_SIZ, "st %d\n", st);
15196 /* Set conventional or incremental time control, using level command */
15197 if (seconds == 0) {
15198 /* Note old gnuchess bug -- minutes:seconds used to not work.
15199 Fixed in later versions, but still avoid :seconds
15200 when seconds is 0. */
15201 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15203 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15204 seconds, inc/1000.);
15207 SendToProgram(buf, cps);
15209 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15210 /* Orthogonally, limit search to given depth */
15212 if (cps->sdKludge) {
15213 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15215 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15217 SendToProgram(buf, cps);
15220 if(cps->nps >= 0) { /* [HGM] nps */
15221 if(cps->supportsNPS == FALSE)
15222 cps->nps = -1; // don't use if engine explicitly says not supported!
15224 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15225 SendToProgram(buf, cps);
15230 ChessProgramState *
15232 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15234 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15235 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15241 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15243 char message[MSG_SIZ];
15246 /* Note: this routine must be called when the clocks are stopped
15247 or when they have *just* been set or switched; otherwise
15248 it will be off by the time since the current tick started.
15250 if (machineWhite) {
15251 time = whiteTimeRemaining / 10;
15252 otime = blackTimeRemaining / 10;
15254 time = blackTimeRemaining / 10;
15255 otime = whiteTimeRemaining / 10;
15257 /* [HGM] translate opponent's time by time-odds factor */
15258 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15260 if (time <= 0) time = 1;
15261 if (otime <= 0) otime = 1;
15263 snprintf(message, MSG_SIZ, "time %ld\n", time);
15264 SendToProgram(message, cps);
15266 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15267 SendToProgram(message, cps);
15271 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15274 int len = strlen(name);
15277 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15279 sscanf(*p, "%d", &val);
15281 while (**p && **p != ' ')
15283 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15284 SendToProgram(buf, cps);
15291 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15294 int len = strlen(name);
15295 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15297 sscanf(*p, "%d", loc);
15298 while (**p && **p != ' ') (*p)++;
15299 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15300 SendToProgram(buf, cps);
15307 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15310 int len = strlen(name);
15311 if (strncmp((*p), name, len) == 0
15312 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15314 sscanf(*p, "%[^\"]", loc);
15315 while (**p && **p != '\"') (*p)++;
15316 if (**p == '\"') (*p)++;
15317 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15318 SendToProgram(buf, cps);
15325 ParseOption (Option *opt, ChessProgramState *cps)
15326 // [HGM] options: process the string that defines an engine option, and determine
15327 // name, type, default value, and allowed value range
15329 char *p, *q, buf[MSG_SIZ];
15330 int n, min = (-1)<<31, max = 1<<31, def;
15332 if(p = strstr(opt->name, " -spin ")) {
15333 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15334 if(max < min) max = min; // enforce consistency
15335 if(def < min) def = min;
15336 if(def > max) def = max;
15341 } else if((p = strstr(opt->name, " -slider "))) {
15342 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15343 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15344 if(max < min) max = min; // enforce consistency
15345 if(def < min) def = min;
15346 if(def > max) def = max;
15350 opt->type = Spin; // Slider;
15351 } else if((p = strstr(opt->name, " -string "))) {
15352 opt->textValue = p+9;
15353 opt->type = TextBox;
15354 } else if((p = strstr(opt->name, " -file "))) {
15355 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15356 opt->textValue = p+7;
15357 opt->type = FileName; // FileName;
15358 } else if((p = strstr(opt->name, " -path "))) {
15359 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15360 opt->textValue = p+7;
15361 opt->type = PathName; // PathName;
15362 } else if(p = strstr(opt->name, " -check ")) {
15363 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15364 opt->value = (def != 0);
15365 opt->type = CheckBox;
15366 } else if(p = strstr(opt->name, " -combo ")) {
15367 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15368 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15369 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15370 opt->value = n = 0;
15371 while(q = StrStr(q, " /// ")) {
15372 n++; *q = 0; // count choices, and null-terminate each of them
15374 if(*q == '*') { // remember default, which is marked with * prefix
15378 cps->comboList[cps->comboCnt++] = q;
15380 cps->comboList[cps->comboCnt++] = NULL;
15382 opt->type = ComboBox;
15383 } else if(p = strstr(opt->name, " -button")) {
15384 opt->type = Button;
15385 } else if(p = strstr(opt->name, " -save")) {
15386 opt->type = SaveButton;
15387 } else return FALSE;
15388 *p = 0; // terminate option name
15389 // now look if the command-line options define a setting for this engine option.
15390 if(cps->optionSettings && cps->optionSettings[0])
15391 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15392 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15393 snprintf(buf, MSG_SIZ, "option %s", p);
15394 if(p = strstr(buf, ",")) *p = 0;
15395 if(q = strchr(buf, '=')) switch(opt->type) {
15397 for(n=0; n<opt->max; n++)
15398 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15401 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15405 opt->value = atoi(q+1);
15410 SendToProgram(buf, cps);
15416 FeatureDone (ChessProgramState *cps, int val)
15418 DelayedEventCallback cb = GetDelayedEvent();
15419 if ((cb == InitBackEnd3 && cps == &first) ||
15420 (cb == SettingsMenuIfReady && cps == &second) ||
15421 (cb == LoadEngine) ||
15422 (cb == TwoMachinesEventIfReady)) {
15423 CancelDelayedEvent();
15424 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15426 cps->initDone = val;
15429 /* Parse feature command from engine */
15431 ParseFeatures (char *args, ChessProgramState *cps)
15439 while (*p == ' ') p++;
15440 if (*p == NULLCHAR) return;
15442 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15443 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15444 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15445 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15446 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15447 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15448 if (BoolFeature(&p, "reuse", &val, cps)) {
15449 /* Engine can disable reuse, but can't enable it if user said no */
15450 if (!val) cps->reuse = FALSE;
15453 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15454 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15455 if (gameMode == TwoMachinesPlay) {
15456 DisplayTwoMachinesTitle();
15462 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15463 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15464 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15465 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15466 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15467 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15468 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15469 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15470 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15471 if (IntFeature(&p, "done", &val, cps)) {
15472 FeatureDone(cps, val);
15475 /* Added by Tord: */
15476 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15477 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15478 /* End of additions by Tord */
15480 /* [HGM] added features: */
15481 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15482 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15483 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15484 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15485 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15486 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15487 if (StringFeature(&p, "option", cps->option[cps->nrOptions].name, cps)) {
15488 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15489 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15490 SendToProgram(buf, cps);
15493 if(cps->nrOptions >= MAX_OPTIONS) {
15495 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15496 DisplayError(buf, 0);
15500 /* End of additions by HGM */
15502 /* unknown feature: complain and skip */
15504 while (*q && *q != '=') q++;
15505 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15506 SendToProgram(buf, cps);
15512 while (*p && *p != '\"') p++;
15513 if (*p == '\"') p++;
15515 while (*p && *p != ' ') p++;
15523 PeriodicUpdatesEvent (int newState)
15525 if (newState == appData.periodicUpdates)
15528 appData.periodicUpdates=newState;
15530 /* Display type changes, so update it now */
15531 // DisplayAnalysis();
15533 /* Get the ball rolling again... */
15535 AnalysisPeriodicEvent(1);
15536 StartAnalysisClock();
15541 PonderNextMoveEvent (int newState)
15543 if (newState == appData.ponderNextMove) return;
15544 if (gameMode == EditPosition) EditPositionDone(TRUE);
15546 SendToProgram("hard\n", &first);
15547 if (gameMode == TwoMachinesPlay) {
15548 SendToProgram("hard\n", &second);
15551 SendToProgram("easy\n", &first);
15552 thinkOutput[0] = NULLCHAR;
15553 if (gameMode == TwoMachinesPlay) {
15554 SendToProgram("easy\n", &second);
15557 appData.ponderNextMove = newState;
15561 NewSettingEvent (int option, int *feature, char *command, int value)
15565 if (gameMode == EditPosition) EditPositionDone(TRUE);
15566 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15567 if(feature == NULL || *feature) SendToProgram(buf, &first);
15568 if (gameMode == TwoMachinesPlay) {
15569 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15574 ShowThinkingEvent ()
15575 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15577 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15578 int newState = appData.showThinking
15579 // [HGM] thinking: other features now need thinking output as well
15580 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15582 if (oldState == newState) return;
15583 oldState = newState;
15584 if (gameMode == EditPosition) EditPositionDone(TRUE);
15586 SendToProgram("post\n", &first);
15587 if (gameMode == TwoMachinesPlay) {
15588 SendToProgram("post\n", &second);
15591 SendToProgram("nopost\n", &first);
15592 thinkOutput[0] = NULLCHAR;
15593 if (gameMode == TwoMachinesPlay) {
15594 SendToProgram("nopost\n", &second);
15597 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15601 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15603 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15604 if (pr == NoProc) return;
15605 AskQuestion(title, question, replyPrefix, pr);
15609 TypeInEvent (char firstChar)
15611 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15612 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15613 gameMode == AnalyzeMode || gameMode == EditGame ||
15614 gameMode == EditPosition || gameMode == IcsExamining ||
15615 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15616 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15617 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15618 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15619 gameMode == Training) PopUpMoveDialog(firstChar);
15623 TypeInDoneEvent (char *move)
15626 int n, fromX, fromY, toX, toY;
15628 ChessMove moveType;
15631 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15632 EditPositionPasteFEN(move);
15635 // [HGM] movenum: allow move number to be typed in any mode
15636 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15640 // undocumented kludge: allow command-line option to be typed in!
15641 // (potentially fatal, and does not implement the effect of the option.)
15642 // should only be used for options that are values on which future decisions will be made,
15643 // and definitely not on options that would be used during initialization.
15644 if(strstr(move, "!!! -") == move) {
15645 ParseArgsFromString(move+4);
15649 if (gameMode != EditGame && currentMove != forwardMostMove &&
15650 gameMode != Training) {
15651 DisplayMoveError(_("Displayed move is not current"));
15653 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15654 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15655 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15656 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15657 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15658 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15660 DisplayMoveError(_("Could not parse move"));
15666 DisplayMove (int moveNumber)
15668 char message[MSG_SIZ];
15670 char cpThinkOutput[MSG_SIZ];
15672 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15674 if (moveNumber == forwardMostMove - 1 ||
15675 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15677 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15679 if (strchr(cpThinkOutput, '\n')) {
15680 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15683 *cpThinkOutput = NULLCHAR;
15686 /* [AS] Hide thinking from human user */
15687 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15688 *cpThinkOutput = NULLCHAR;
15689 if( thinkOutput[0] != NULLCHAR ) {
15692 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15693 cpThinkOutput[i] = '.';
15695 cpThinkOutput[i] = NULLCHAR;
15696 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15700 if (moveNumber == forwardMostMove - 1 &&
15701 gameInfo.resultDetails != NULL) {
15702 if (gameInfo.resultDetails[0] == NULLCHAR) {
15703 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15705 snprintf(res, MSG_SIZ, " {%s} %s",
15706 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15712 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15713 DisplayMessage(res, cpThinkOutput);
15715 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15716 WhiteOnMove(moveNumber) ? " " : ".. ",
15717 parseList[moveNumber], res);
15718 DisplayMessage(message, cpThinkOutput);
15723 DisplayComment (int moveNumber, char *text)
15725 char title[MSG_SIZ];
15727 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15728 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15730 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15731 WhiteOnMove(moveNumber) ? " " : ".. ",
15732 parseList[moveNumber]);
15734 if (text != NULL && (appData.autoDisplayComment || commentUp))
15735 CommentPopUp(title, text);
15738 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15739 * might be busy thinking or pondering. It can be omitted if your
15740 * gnuchess is configured to stop thinking immediately on any user
15741 * input. However, that gnuchess feature depends on the FIONREAD
15742 * ioctl, which does not work properly on some flavors of Unix.
15745 Attention (ChessProgramState *cps)
15748 if (!cps->useSigint) return;
15749 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15750 switch (gameMode) {
15751 case MachinePlaysWhite:
15752 case MachinePlaysBlack:
15753 case TwoMachinesPlay:
15754 case IcsPlayingWhite:
15755 case IcsPlayingBlack:
15758 /* Skip if we know it isn't thinking */
15759 if (!cps->maybeThinking) return;
15760 if (appData.debugMode)
15761 fprintf(debugFP, "Interrupting %s\n", cps->which);
15762 InterruptChildProcess(cps->pr);
15763 cps->maybeThinking = FALSE;
15768 #endif /*ATTENTION*/
15774 if (whiteTimeRemaining <= 0) {
15777 if (appData.icsActive) {
15778 if (appData.autoCallFlag &&
15779 gameMode == IcsPlayingBlack && !blackFlag) {
15780 SendToICS(ics_prefix);
15781 SendToICS("flag\n");
15785 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15787 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15788 if (appData.autoCallFlag) {
15789 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15796 if (blackTimeRemaining <= 0) {
15799 if (appData.icsActive) {
15800 if (appData.autoCallFlag &&
15801 gameMode == IcsPlayingWhite && !whiteFlag) {
15802 SendToICS(ics_prefix);
15803 SendToICS("flag\n");
15807 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15809 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15810 if (appData.autoCallFlag) {
15811 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15822 CheckTimeControl ()
15824 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15825 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15828 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15830 if ( !WhiteOnMove(forwardMostMove) ) {
15831 /* White made time control */
15832 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15833 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15834 /* [HGM] time odds: correct new time quota for time odds! */
15835 / WhitePlayer()->timeOdds;
15836 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15838 lastBlack -= blackTimeRemaining;
15839 /* Black made time control */
15840 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15841 / WhitePlayer()->other->timeOdds;
15842 lastWhite = whiteTimeRemaining;
15847 DisplayBothClocks ()
15849 int wom = gameMode == EditPosition ?
15850 !blackPlaysFirst : WhiteOnMove(currentMove);
15851 DisplayWhiteClock(whiteTimeRemaining, wom);
15852 DisplayBlackClock(blackTimeRemaining, !wom);
15856 /* Timekeeping seems to be a portability nightmare. I think everyone
15857 has ftime(), but I'm really not sure, so I'm including some ifdefs
15858 to use other calls if you don't. Clocks will be less accurate if
15859 you have neither ftime nor gettimeofday.
15862 /* VS 2008 requires the #include outside of the function */
15863 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15864 #include <sys/timeb.h>
15867 /* Get the current time as a TimeMark */
15869 GetTimeMark (TimeMark *tm)
15871 #if HAVE_GETTIMEOFDAY
15873 struct timeval timeVal;
15874 struct timezone timeZone;
15876 gettimeofday(&timeVal, &timeZone);
15877 tm->sec = (long) timeVal.tv_sec;
15878 tm->ms = (int) (timeVal.tv_usec / 1000L);
15880 #else /*!HAVE_GETTIMEOFDAY*/
15883 // include <sys/timeb.h> / moved to just above start of function
15884 struct timeb timeB;
15887 tm->sec = (long) timeB.time;
15888 tm->ms = (int) timeB.millitm;
15890 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15891 tm->sec = (long) time(NULL);
15897 /* Return the difference in milliseconds between two
15898 time marks. We assume the difference will fit in a long!
15901 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
15903 return 1000L*(tm2->sec - tm1->sec) +
15904 (long) (tm2->ms - tm1->ms);
15909 * Code to manage the game clocks.
15911 * In tournament play, black starts the clock and then white makes a move.
15912 * We give the human user a slight advantage if he is playing white---the
15913 * clocks don't run until he makes his first move, so it takes zero time.
15914 * Also, we don't account for network lag, so we could get out of sync
15915 * with GNU Chess's clock -- but then, referees are always right.
15918 static TimeMark tickStartTM;
15919 static long intendedTickLength;
15922 NextTickLength (long timeRemaining)
15924 long nominalTickLength, nextTickLength;
15926 if (timeRemaining > 0L && timeRemaining <= 10000L)
15927 nominalTickLength = 100L;
15929 nominalTickLength = 1000L;
15930 nextTickLength = timeRemaining % nominalTickLength;
15931 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15933 return nextTickLength;
15936 /* Adjust clock one minute up or down */
15938 AdjustClock (Boolean which, int dir)
15940 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15941 if(which) blackTimeRemaining += 60000*dir;
15942 else whiteTimeRemaining += 60000*dir;
15943 DisplayBothClocks();
15944 adjustedClock = TRUE;
15947 /* Stop clocks and reset to a fresh time control */
15951 (void) StopClockTimer();
15952 if (appData.icsActive) {
15953 whiteTimeRemaining = blackTimeRemaining = 0;
15954 } else if (searchTime) {
15955 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15956 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15957 } else { /* [HGM] correct new time quote for time odds */
15958 whiteTC = blackTC = fullTimeControlString;
15959 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15960 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15962 if (whiteFlag || blackFlag) {
15964 whiteFlag = blackFlag = FALSE;
15966 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15967 DisplayBothClocks();
15968 adjustedClock = FALSE;
15971 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15973 /* Decrement running clock by amount of time that has passed */
15977 long timeRemaining;
15978 long lastTickLength, fudge;
15981 if (!appData.clockMode) return;
15982 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15986 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15988 /* Fudge if we woke up a little too soon */
15989 fudge = intendedTickLength - lastTickLength;
15990 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15992 if (WhiteOnMove(forwardMostMove)) {
15993 if(whiteNPS >= 0) lastTickLength = 0;
15994 timeRemaining = whiteTimeRemaining -= lastTickLength;
15995 if(timeRemaining < 0 && !appData.icsActive) {
15996 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15997 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15998 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15999 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16002 DisplayWhiteClock(whiteTimeRemaining - fudge,
16003 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16005 if(blackNPS >= 0) lastTickLength = 0;
16006 timeRemaining = blackTimeRemaining -= lastTickLength;
16007 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16008 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16010 blackStartMove = forwardMostMove;
16011 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16014 DisplayBlackClock(blackTimeRemaining - fudge,
16015 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16017 if (CheckFlags()) return;
16020 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16021 StartClockTimer(intendedTickLength);
16023 /* if the time remaining has fallen below the alarm threshold, sound the
16024 * alarm. if the alarm has sounded and (due to a takeback or time control
16025 * with increment) the time remaining has increased to a level above the
16026 * threshold, reset the alarm so it can sound again.
16029 if (appData.icsActive && appData.icsAlarm) {
16031 /* make sure we are dealing with the user's clock */
16032 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16033 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16036 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16037 alarmSounded = FALSE;
16038 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16040 alarmSounded = TRUE;
16046 /* A player has just moved, so stop the previously running
16047 clock and (if in clock mode) start the other one.
16048 We redisplay both clocks in case we're in ICS mode, because
16049 ICS gives us an update to both clocks after every move.
16050 Note that this routine is called *after* forwardMostMove
16051 is updated, so the last fractional tick must be subtracted
16052 from the color that is *not* on move now.
16055 SwitchClocks (int newMoveNr)
16057 long lastTickLength;
16059 int flagged = FALSE;
16063 if (StopClockTimer() && appData.clockMode) {
16064 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16065 if (!WhiteOnMove(forwardMostMove)) {
16066 if(blackNPS >= 0) lastTickLength = 0;
16067 blackTimeRemaining -= lastTickLength;
16068 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16069 // if(pvInfoList[forwardMostMove].time == -1)
16070 pvInfoList[forwardMostMove].time = // use GUI time
16071 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16073 if(whiteNPS >= 0) lastTickLength = 0;
16074 whiteTimeRemaining -= lastTickLength;
16075 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16076 // if(pvInfoList[forwardMostMove].time == -1)
16077 pvInfoList[forwardMostMove].time =
16078 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16080 flagged = CheckFlags();
16082 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16083 CheckTimeControl();
16085 if (flagged || !appData.clockMode) return;
16087 switch (gameMode) {
16088 case MachinePlaysBlack:
16089 case MachinePlaysWhite:
16090 case BeginningOfGame:
16091 if (pausing) return;
16095 case PlayFromGameFile:
16103 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16104 if(WhiteOnMove(forwardMostMove))
16105 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16106 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16110 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16111 whiteTimeRemaining : blackTimeRemaining);
16112 StartClockTimer(intendedTickLength);
16116 /* Stop both clocks */
16120 long lastTickLength;
16123 if (!StopClockTimer()) return;
16124 if (!appData.clockMode) return;
16128 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16129 if (WhiteOnMove(forwardMostMove)) {
16130 if(whiteNPS >= 0) lastTickLength = 0;
16131 whiteTimeRemaining -= lastTickLength;
16132 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16134 if(blackNPS >= 0) lastTickLength = 0;
16135 blackTimeRemaining -= lastTickLength;
16136 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16141 /* Start clock of player on move. Time may have been reset, so
16142 if clock is already running, stop and restart it. */
16146 (void) StopClockTimer(); /* in case it was running already */
16147 DisplayBothClocks();
16148 if (CheckFlags()) return;
16150 if (!appData.clockMode) return;
16151 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16153 GetTimeMark(&tickStartTM);
16154 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16155 whiteTimeRemaining : blackTimeRemaining);
16157 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16158 whiteNPS = blackNPS = -1;
16159 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16160 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16161 whiteNPS = first.nps;
16162 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16163 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16164 blackNPS = first.nps;
16165 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16166 whiteNPS = second.nps;
16167 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16168 blackNPS = second.nps;
16169 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16171 StartClockTimer(intendedTickLength);
16175 TimeString (long ms)
16177 long second, minute, hour, day;
16179 static char buf[32];
16181 if (ms > 0 && ms <= 9900) {
16182 /* convert milliseconds to tenths, rounding up */
16183 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16185 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16189 /* convert milliseconds to seconds, rounding up */
16190 /* use floating point to avoid strangeness of integer division
16191 with negative dividends on many machines */
16192 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16199 day = second / (60 * 60 * 24);
16200 second = second % (60 * 60 * 24);
16201 hour = second / (60 * 60);
16202 second = second % (60 * 60);
16203 minute = second / 60;
16204 second = second % 60;
16207 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16208 sign, day, hour, minute, second);
16210 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16212 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16219 * This is necessary because some C libraries aren't ANSI C compliant yet.
16222 StrStr (char *string, char *match)
16226 length = strlen(match);
16228 for (i = strlen(string) - length; i >= 0; i--, string++)
16229 if (!strncmp(match, string, length))
16236 StrCaseStr (char *string, char *match)
16240 length = strlen(match);
16242 for (i = strlen(string) - length; i >= 0; i--, string++) {
16243 for (j = 0; j < length; j++) {
16244 if (ToLower(match[j]) != ToLower(string[j]))
16247 if (j == length) return string;
16255 StrCaseCmp (char *s1, char *s2)
16260 c1 = ToLower(*s1++);
16261 c2 = ToLower(*s2++);
16262 if (c1 > c2) return 1;
16263 if (c1 < c2) return -1;
16264 if (c1 == NULLCHAR) return 0;
16272 return isupper(c) ? tolower(c) : c;
16279 return islower(c) ? toupper(c) : c;
16281 #endif /* !_amigados */
16288 if ((ret = (char *) malloc(strlen(s) + 1)))
16290 safeStrCpy(ret, s, strlen(s)+1);
16296 StrSavePtr (char *s, char **savePtr)
16301 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16302 safeStrCpy(*savePtr, s, strlen(s)+1);
16314 clock = time((time_t *)NULL);
16315 tm = localtime(&clock);
16316 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16317 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16318 return StrSave(buf);
16323 PositionToFEN (int move, char *overrideCastling)
16325 int i, j, fromX, fromY, toX, toY;
16332 whiteToPlay = (gameMode == EditPosition) ?
16333 !blackPlaysFirst : (move % 2 == 0);
16336 /* Piece placement data */
16337 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16338 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16340 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16341 if (boards[move][i][j] == EmptySquare) {
16343 } else { ChessSquare piece = boards[move][i][j];
16344 if (emptycount > 0) {
16345 if(emptycount<10) /* [HGM] can be >= 10 */
16346 *p++ = '0' + emptycount;
16347 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16350 if(PieceToChar(piece) == '+') {
16351 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16353 piece = (ChessSquare)(DEMOTED piece);
16355 *p++ = PieceToChar(piece);
16357 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16358 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16363 if (emptycount > 0) {
16364 if(emptycount<10) /* [HGM] can be >= 10 */
16365 *p++ = '0' + emptycount;
16366 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16373 /* [HGM] print Crazyhouse or Shogi holdings */
16374 if( gameInfo.holdingsWidth ) {
16375 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16377 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16378 piece = boards[move][i][BOARD_WIDTH-1];
16379 if( piece != EmptySquare )
16380 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16381 *p++ = PieceToChar(piece);
16383 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16384 piece = boards[move][BOARD_HEIGHT-i-1][0];
16385 if( piece != EmptySquare )
16386 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16387 *p++ = PieceToChar(piece);
16390 if( q == p ) *p++ = '-';
16396 *p++ = whiteToPlay ? 'w' : 'b';
16399 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16400 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16402 if(nrCastlingRights) {
16404 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16405 /* [HGM] write directly from rights */
16406 if(boards[move][CASTLING][2] != NoRights &&
16407 boards[move][CASTLING][0] != NoRights )
16408 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16409 if(boards[move][CASTLING][2] != NoRights &&
16410 boards[move][CASTLING][1] != NoRights )
16411 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16412 if(boards[move][CASTLING][5] != NoRights &&
16413 boards[move][CASTLING][3] != NoRights )
16414 *p++ = boards[move][CASTLING][3] + AAA;
16415 if(boards[move][CASTLING][5] != NoRights &&
16416 boards[move][CASTLING][4] != NoRights )
16417 *p++ = boards[move][CASTLING][4] + AAA;
16420 /* [HGM] write true castling rights */
16421 if( nrCastlingRights == 6 ) {
16422 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16423 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16424 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16425 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16426 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16427 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16428 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16429 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16432 if (q == p) *p++ = '-'; /* No castling rights */
16436 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16437 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16438 /* En passant target square */
16439 if (move > backwardMostMove) {
16440 fromX = moveList[move - 1][0] - AAA;
16441 fromY = moveList[move - 1][1] - ONE;
16442 toX = moveList[move - 1][2] - AAA;
16443 toY = moveList[move - 1][3] - ONE;
16444 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16445 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16446 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16448 /* 2-square pawn move just happened */
16450 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16454 } else if(move == backwardMostMove) {
16455 // [HGM] perhaps we should always do it like this, and forget the above?
16456 if((signed char)boards[move][EP_STATUS] >= 0) {
16457 *p++ = boards[move][EP_STATUS] + AAA;
16458 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16469 /* [HGM] find reversible plies */
16470 { int i = 0, j=move;
16472 if (appData.debugMode) { int k;
16473 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16474 for(k=backwardMostMove; k<=forwardMostMove; k++)
16475 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16479 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16480 if( j == backwardMostMove ) i += initialRulePlies;
16481 sprintf(p, "%d ", i);
16482 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16484 /* Fullmove number */
16485 sprintf(p, "%d", (move / 2) + 1);
16487 return StrSave(buf);
16491 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16500 /* [HGM] by default clear Crazyhouse holdings, if present */
16501 if(gameInfo.holdingsWidth) {
16502 for(i=0; i<BOARD_HEIGHT; i++) {
16503 board[i][0] = EmptySquare; /* black holdings */
16504 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16505 board[i][1] = (ChessSquare) 0; /* black counts */
16506 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16510 /* Piece placement data */
16511 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16514 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16515 if (*p == '/') p++;
16516 emptycount = gameInfo.boardWidth - j;
16517 while (emptycount--)
16518 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16520 #if(BOARD_FILES >= 10)
16521 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16522 p++; emptycount=10;
16523 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16524 while (emptycount--)
16525 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16527 } else if (isdigit(*p)) {
16528 emptycount = *p++ - '0';
16529 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16530 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16531 while (emptycount--)
16532 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16533 } else if (*p == '+' || isalpha(*p)) {
16534 if (j >= gameInfo.boardWidth) return FALSE;
16536 piece = CharToPiece(*++p);
16537 if(piece == EmptySquare) return FALSE; /* unknown piece */
16538 piece = (ChessSquare) (PROMOTED piece ); p++;
16539 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16540 } else piece = CharToPiece(*p++);
16542 if(piece==EmptySquare) return FALSE; /* unknown piece */
16543 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16544 piece = (ChessSquare) (PROMOTED piece);
16545 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16548 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16554 while (*p == '/' || *p == ' ') p++;
16556 /* [HGM] look for Crazyhouse holdings here */
16557 while(*p==' ') p++;
16558 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16560 if(*p == '-' ) p++; /* empty holdings */ else {
16561 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16562 /* if we would allow FEN reading to set board size, we would */
16563 /* have to add holdings and shift the board read so far here */
16564 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16566 if((int) piece >= (int) BlackPawn ) {
16567 i = (int)piece - (int)BlackPawn;
16568 i = PieceToNumber((ChessSquare)i);
16569 if( i >= gameInfo.holdingsSize ) return FALSE;
16570 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16571 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16573 i = (int)piece - (int)WhitePawn;
16574 i = PieceToNumber((ChessSquare)i);
16575 if( i >= gameInfo.holdingsSize ) return FALSE;
16576 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16577 board[i][BOARD_WIDTH-2]++; /* black holdings */
16584 while(*p == ' ') p++;
16588 if(appData.colorNickNames) {
16589 if( c == appData.colorNickNames[0] ) c = 'w'; else
16590 if( c == appData.colorNickNames[1] ) c = 'b';
16594 *blackPlaysFirst = FALSE;
16597 *blackPlaysFirst = TRUE;
16603 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16604 /* return the extra info in global variiables */
16606 /* set defaults in case FEN is incomplete */
16607 board[EP_STATUS] = EP_UNKNOWN;
16608 for(i=0; i<nrCastlingRights; i++ ) {
16609 board[CASTLING][i] =
16610 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16611 } /* assume possible unless obviously impossible */
16612 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16613 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16614 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16615 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16616 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16617 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16618 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16619 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16622 while(*p==' ') p++;
16623 if(nrCastlingRights) {
16624 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16625 /* castling indicator present, so default becomes no castlings */
16626 for(i=0; i<nrCastlingRights; i++ ) {
16627 board[CASTLING][i] = NoRights;
16630 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16631 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16632 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16633 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16634 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16636 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16637 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16638 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16640 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16641 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16642 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16643 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16644 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16645 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16648 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16649 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16650 board[CASTLING][2] = whiteKingFile;
16653 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16654 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16655 board[CASTLING][2] = whiteKingFile;
16658 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16659 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16660 board[CASTLING][5] = blackKingFile;
16663 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16664 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16665 board[CASTLING][5] = blackKingFile;
16668 default: /* FRC castlings */
16669 if(c >= 'a') { /* black rights */
16670 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16671 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16672 if(i == BOARD_RGHT) break;
16673 board[CASTLING][5] = i;
16675 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16676 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16678 board[CASTLING][3] = c;
16680 board[CASTLING][4] = c;
16681 } else { /* white rights */
16682 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16683 if(board[0][i] == WhiteKing) break;
16684 if(i == BOARD_RGHT) break;
16685 board[CASTLING][2] = i;
16686 c -= AAA - 'a' + 'A';
16687 if(board[0][c] >= WhiteKing) break;
16689 board[CASTLING][0] = c;
16691 board[CASTLING][1] = c;
16695 for(i=0; i<nrCastlingRights; i++)
16696 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16697 if (appData.debugMode) {
16698 fprintf(debugFP, "FEN castling rights:");
16699 for(i=0; i<nrCastlingRights; i++)
16700 fprintf(debugFP, " %d", board[CASTLING][i]);
16701 fprintf(debugFP, "\n");
16704 while(*p==' ') p++;
16707 /* read e.p. field in games that know e.p. capture */
16708 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16709 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16711 p++; board[EP_STATUS] = EP_NONE;
16713 char c = *p++ - AAA;
16715 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16716 if(*p >= '0' && *p <='9') p++;
16717 board[EP_STATUS] = c;
16722 if(sscanf(p, "%d", &i) == 1) {
16723 FENrulePlies = i; /* 50-move ply counter */
16724 /* (The move number is still ignored) */
16731 EditPositionPasteFEN (char *fen)
16734 Board initial_position;
16736 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16737 DisplayError(_("Bad FEN position in clipboard"), 0);
16740 int savedBlackPlaysFirst = blackPlaysFirst;
16741 EditPositionEvent();
16742 blackPlaysFirst = savedBlackPlaysFirst;
16743 CopyBoard(boards[0], initial_position);
16744 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16745 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16746 DisplayBothClocks();
16747 DrawPosition(FALSE, boards[currentMove]);
16752 static char cseq[12] = "\\ ";
16755 set_cont_sequence (char *new_seq)
16760 // handle bad attempts to set the sequence
16762 return 0; // acceptable error - no debug
16764 len = strlen(new_seq);
16765 ret = (len > 0) && (len < sizeof(cseq));
16767 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16768 else if (appData.debugMode)
16769 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16774 reformat a source message so words don't cross the width boundary. internal
16775 newlines are not removed. returns the wrapped size (no null character unless
16776 included in source message). If dest is NULL, only calculate the size required
16777 for the dest buffer. lp argument indicats line position upon entry, and it's
16778 passed back upon exit.
16781 wrap (char *dest, char *src, int count, int width, int *lp)
16783 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16785 cseq_len = strlen(cseq);
16786 old_line = line = *lp;
16787 ansi = len = clen = 0;
16789 for (i=0; i < count; i++)
16791 if (src[i] == '\033')
16794 // if we hit the width, back up
16795 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16797 // store i & len in case the word is too long
16798 old_i = i, old_len = len;
16800 // find the end of the last word
16801 while (i && src[i] != ' ' && src[i] != '\n')
16807 // word too long? restore i & len before splitting it
16808 if ((old_i-i+clen) >= width)
16815 if (i && src[i-1] == ' ')
16818 if (src[i] != ' ' && src[i] != '\n')
16825 // now append the newline and continuation sequence
16830 strncpy(dest+len, cseq, cseq_len);
16838 dest[len] = src[i];
16842 if (src[i] == '\n')
16847 if (dest && appData.debugMode)
16849 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16850 count, width, line, len, *lp);
16851 show_bytes(debugFP, src, count);
16852 fprintf(debugFP, "\ndest: ");
16853 show_bytes(debugFP, dest, len);
16854 fprintf(debugFP, "\n");
16856 *lp = dest ? line : old_line;
16861 // [HGM] vari: routines for shelving variations
16862 Boolean modeRestore = FALSE;
16865 PushInner (int firstMove, int lastMove)
16867 int i, j, nrMoves = lastMove - firstMove;
16869 // push current tail of game on stack
16870 savedResult[storedGames] = gameInfo.result;
16871 savedDetails[storedGames] = gameInfo.resultDetails;
16872 gameInfo.resultDetails = NULL;
16873 savedFirst[storedGames] = firstMove;
16874 savedLast [storedGames] = lastMove;
16875 savedFramePtr[storedGames] = framePtr;
16876 framePtr -= nrMoves; // reserve space for the boards
16877 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16878 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16879 for(j=0; j<MOVE_LEN; j++)
16880 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16881 for(j=0; j<2*MOVE_LEN; j++)
16882 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16883 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16884 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16885 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16886 pvInfoList[firstMove+i-1].depth = 0;
16887 commentList[framePtr+i] = commentList[firstMove+i];
16888 commentList[firstMove+i] = NULL;
16892 forwardMostMove = firstMove; // truncate game so we can start variation
16896 PushTail (int firstMove, int lastMove)
16898 if(appData.icsActive) { // only in local mode
16899 forwardMostMove = currentMove; // mimic old ICS behavior
16902 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16904 PushInner(firstMove, lastMove);
16905 if(storedGames == 1) GreyRevert(FALSE);
16906 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16910 PopInner (Boolean annotate)
16913 char buf[8000], moveBuf[20];
16915 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16916 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16917 nrMoves = savedLast[storedGames] - currentMove;
16920 if(!WhiteOnMove(currentMove))
16921 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16922 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16923 for(i=currentMove; i<forwardMostMove; i++) {
16925 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16926 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16927 strcat(buf, moveBuf);
16928 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16929 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16933 for(i=1; i<=nrMoves; i++) { // copy last variation back
16934 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16935 for(j=0; j<MOVE_LEN; j++)
16936 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16937 for(j=0; j<2*MOVE_LEN; j++)
16938 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16939 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16940 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16941 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16942 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16943 commentList[currentMove+i] = commentList[framePtr+i];
16944 commentList[framePtr+i] = NULL;
16946 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16947 framePtr = savedFramePtr[storedGames];
16948 gameInfo.result = savedResult[storedGames];
16949 if(gameInfo.resultDetails != NULL) {
16950 free(gameInfo.resultDetails);
16952 gameInfo.resultDetails = savedDetails[storedGames];
16953 forwardMostMove = currentMove + nrMoves;
16957 PopTail (Boolean annotate)
16959 if(appData.icsActive) return FALSE; // only in local mode
16960 if(!storedGames) return FALSE; // sanity
16961 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16963 PopInner(annotate);
16964 if(currentMove < forwardMostMove) ForwardEvent(); else
16965 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16967 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16973 { // remove all shelved variations
16975 for(i=0; i<storedGames; i++) {
16976 if(savedDetails[i])
16977 free(savedDetails[i]);
16978 savedDetails[i] = NULL;
16980 for(i=framePtr; i<MAX_MOVES; i++) {
16981 if(commentList[i]) free(commentList[i]);
16982 commentList[i] = NULL;
16984 framePtr = MAX_MOVES-1;
16989 LoadVariation (int index, char *text)
16990 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16991 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16992 int level = 0, move;
16994 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
16995 // first find outermost bracketing variation
16996 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16997 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16998 if(*p == '{') wait = '}'; else
16999 if(*p == '[') wait = ']'; else
17000 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17001 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17003 if(*p == wait) wait = NULLCHAR; // closing ]} found
17006 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17007 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17008 end[1] = NULLCHAR; // clip off comment beyond variation
17009 ToNrEvent(currentMove-1);
17010 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17011 // kludge: use ParsePV() to append variation to game
17012 move = currentMove;
17013 ParsePV(start, TRUE, TRUE);
17014 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17015 ClearPremoveHighlights();
17017 ToNrEvent(currentMove+1);