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;
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
1489 InitBackEnd3 P((void))
1491 GameMode initialMode;
1495 InitChessProgram(&first, startedFromSetupPosition);
1497 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1498 free(programVersion);
1499 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1500 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1501 FloatToFront(&appData.recentEngineList, appData.firstChessProgram);
1504 if (appData.icsActive) {
1506 /* [DM] Make a console window if needed [HGM] merged ifs */
1512 if (*appData.icsCommPort != NULLCHAR)
1513 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1514 appData.icsCommPort);
1516 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1517 appData.icsHost, appData.icsPort);
1519 if( (len >= MSG_SIZ) && appData.debugMode )
1520 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1522 DisplayFatalError(buf, err, 1);
1527 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1529 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1530 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1531 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1532 } else if (appData.noChessProgram) {
1538 if (*appData.cmailGameName != NULLCHAR) {
1540 OpenLoopback(&cmailPR);
1542 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1546 DisplayMessage("", "");
1547 if (StrCaseCmp(appData.initialMode, "") == 0) {
1548 initialMode = BeginningOfGame;
1549 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1550 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1551 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1552 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1555 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1556 initialMode = TwoMachinesPlay;
1557 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1558 initialMode = AnalyzeFile;
1559 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1560 initialMode = AnalyzeMode;
1561 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1562 initialMode = MachinePlaysWhite;
1563 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1564 initialMode = MachinePlaysBlack;
1565 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1566 initialMode = EditGame;
1567 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1568 initialMode = EditPosition;
1569 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1570 initialMode = Training;
1572 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1573 if( (len >= MSG_SIZ) && appData.debugMode )
1574 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1576 DisplayFatalError(buf, 0, 2);
1580 if (appData.matchMode) {
1581 if(appData.tourneyFile[0]) { // start tourney from command line
1583 if(f = fopen(appData.tourneyFile, "r")) {
1584 ParseArgsFromFile(f); // make sure tourney parmeters re known
1586 appData.clockMode = TRUE;
1588 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1591 } else if (*appData.cmailGameName != NULLCHAR) {
1592 /* Set up cmail mode */
1593 ReloadCmailMsgEvent(TRUE);
1595 /* Set up other modes */
1596 if (initialMode == AnalyzeFile) {
1597 if (*appData.loadGameFile == NULLCHAR) {
1598 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1602 if (*appData.loadGameFile != NULLCHAR) {
1603 (void) LoadGameFromFile(appData.loadGameFile,
1604 appData.loadGameIndex,
1605 appData.loadGameFile, TRUE);
1606 } else if (*appData.loadPositionFile != NULLCHAR) {
1607 (void) LoadPositionFromFile(appData.loadPositionFile,
1608 appData.loadPositionIndex,
1609 appData.loadPositionFile);
1610 /* [HGM] try to make self-starting even after FEN load */
1611 /* to allow automatic setup of fairy variants with wtm */
1612 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1613 gameMode = BeginningOfGame;
1614 setboardSpoiledMachineBlack = 1;
1616 /* [HGM] loadPos: make that every new game uses the setup */
1617 /* from file as long as we do not switch variant */
1618 if(!blackPlaysFirst) {
1619 startedFromPositionFile = TRUE;
1620 CopyBoard(filePosition, boards[0]);
1623 if (initialMode == AnalyzeMode) {
1624 if (appData.noChessProgram) {
1625 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1628 if (appData.icsActive) {
1629 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1633 } else if (initialMode == AnalyzeFile) {
1634 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1635 ShowThinkingEvent();
1637 AnalysisPeriodicEvent(1);
1638 } else if (initialMode == MachinePlaysWhite) {
1639 if (appData.noChessProgram) {
1640 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1644 if (appData.icsActive) {
1645 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1649 MachineWhiteEvent();
1650 } else if (initialMode == MachinePlaysBlack) {
1651 if (appData.noChessProgram) {
1652 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1656 if (appData.icsActive) {
1657 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1661 MachineBlackEvent();
1662 } else if (initialMode == TwoMachinesPlay) {
1663 if (appData.noChessProgram) {
1664 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1668 if (appData.icsActive) {
1669 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1674 } else if (initialMode == EditGame) {
1676 } else if (initialMode == EditPosition) {
1677 EditPositionEvent();
1678 } else if (initialMode == Training) {
1679 if (*appData.loadGameFile == NULLCHAR) {
1680 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1689 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1691 DisplayBook(current+1);
1693 MoveHistorySet( movelist, first, last, current, pvInfoList );
1695 EvalGraphSet( first, last, current, pvInfoList );
1697 MakeEngineOutputTitle();
1701 * Establish will establish a contact to a remote host.port.
1702 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1703 * used to talk to the host.
1704 * Returns 0 if okay, error code if not.
1711 if (*appData.icsCommPort != NULLCHAR) {
1712 /* Talk to the host through a serial comm port */
1713 return OpenCommPort(appData.icsCommPort, &icsPR);
1715 } else if (*appData.gateway != NULLCHAR) {
1716 if (*appData.remoteShell == NULLCHAR) {
1717 /* Use the rcmd protocol to run telnet program on a gateway host */
1718 snprintf(buf, sizeof(buf), "%s %s %s",
1719 appData.telnetProgram, appData.icsHost, appData.icsPort);
1720 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1723 /* Use the rsh program to run telnet program on a gateway host */
1724 if (*appData.remoteUser == NULLCHAR) {
1725 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1726 appData.gateway, appData.telnetProgram,
1727 appData.icsHost, appData.icsPort);
1729 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1730 appData.remoteShell, appData.gateway,
1731 appData.remoteUser, appData.telnetProgram,
1732 appData.icsHost, appData.icsPort);
1734 return StartChildProcess(buf, "", &icsPR);
1737 } else if (appData.useTelnet) {
1738 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1741 /* TCP socket interface differs somewhat between
1742 Unix and NT; handle details in the front end.
1744 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1749 EscapeExpand (char *p, char *q)
1750 { // [HGM] initstring: routine to shape up string arguments
1751 while(*p++ = *q++) if(p[-1] == '\\')
1753 case 'n': p[-1] = '\n'; break;
1754 case 'r': p[-1] = '\r'; break;
1755 case 't': p[-1] = '\t'; break;
1756 case '\\': p[-1] = '\\'; break;
1757 case 0: *p = 0; return;
1758 default: p[-1] = q[-1]; break;
1763 show_bytes (FILE *fp, char *buf, int count)
1766 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1767 fprintf(fp, "\\%03o", *buf & 0xff);
1776 /* Returns an errno value */
1778 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1780 char buf[8192], *p, *q, *buflim;
1781 int left, newcount, outcount;
1783 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1784 *appData.gateway != NULLCHAR) {
1785 if (appData.debugMode) {
1786 fprintf(debugFP, ">ICS: ");
1787 show_bytes(debugFP, message, count);
1788 fprintf(debugFP, "\n");
1790 return OutputToProcess(pr, message, count, outError);
1793 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1800 if (appData.debugMode) {
1801 fprintf(debugFP, ">ICS: ");
1802 show_bytes(debugFP, buf, newcount);
1803 fprintf(debugFP, "\n");
1805 outcount = OutputToProcess(pr, buf, newcount, outError);
1806 if (outcount < newcount) return -1; /* to be sure */
1813 } else if (((unsigned char) *p) == TN_IAC) {
1814 *q++ = (char) TN_IAC;
1821 if (appData.debugMode) {
1822 fprintf(debugFP, ">ICS: ");
1823 show_bytes(debugFP, buf, newcount);
1824 fprintf(debugFP, "\n");
1826 outcount = OutputToProcess(pr, buf, newcount, outError);
1827 if (outcount < newcount) return -1; /* to be sure */
1832 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1834 int outError, outCount;
1835 static int gotEof = 0;
1837 /* Pass data read from player on to ICS */
1840 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1841 if (outCount < count) {
1842 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1844 } else if (count < 0) {
1845 RemoveInputSource(isr);
1846 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1847 } else if (gotEof++ > 0) {
1848 RemoveInputSource(isr);
1849 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1855 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1856 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1857 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1858 SendToICS("date\n");
1859 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1862 /* added routine for printf style output to ics */
1864 ics_printf (char *format, ...)
1866 char buffer[MSG_SIZ];
1869 va_start(args, format);
1870 vsnprintf(buffer, sizeof(buffer), format, args);
1871 buffer[sizeof(buffer)-1] = '\0';
1879 int count, outCount, outError;
1881 if (icsPR == NoProc) return;
1884 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1885 if (outCount < count) {
1886 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1890 /* This is used for sending logon scripts to the ICS. Sending
1891 without a delay causes problems when using timestamp on ICC
1892 (at least on my machine). */
1894 SendToICSDelayed (char *s, long msdelay)
1896 int count, outCount, outError;
1898 if (icsPR == NoProc) return;
1901 if (appData.debugMode) {
1902 fprintf(debugFP, ">ICS: ");
1903 show_bytes(debugFP, s, count);
1904 fprintf(debugFP, "\n");
1906 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1908 if (outCount < count) {
1909 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1914 /* Remove all highlighting escape sequences in s
1915 Also deletes any suffix starting with '('
1918 StripHighlightAndTitle (char *s)
1920 static char retbuf[MSG_SIZ];
1923 while (*s != NULLCHAR) {
1924 while (*s == '\033') {
1925 while (*s != NULLCHAR && !isalpha(*s)) s++;
1926 if (*s != NULLCHAR) s++;
1928 while (*s != NULLCHAR && *s != '\033') {
1929 if (*s == '(' || *s == '[') {
1940 /* Remove all highlighting escape sequences in s */
1942 StripHighlight (char *s)
1944 static char retbuf[MSG_SIZ];
1947 while (*s != NULLCHAR) {
1948 while (*s == '\033') {
1949 while (*s != NULLCHAR && !isalpha(*s)) s++;
1950 if (*s != NULLCHAR) s++;
1952 while (*s != NULLCHAR && *s != '\033') {
1960 char *variantNames[] = VARIANT_NAMES;
1962 VariantName (VariantClass v)
1964 return variantNames[v];
1968 /* Identify a variant from the strings the chess servers use or the
1969 PGN Variant tag names we use. */
1971 StringToVariant (char *e)
1975 VariantClass v = VariantNormal;
1976 int i, found = FALSE;
1982 /* [HGM] skip over optional board-size prefixes */
1983 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1984 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1985 while( *e++ != '_');
1988 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1992 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1993 if (StrCaseStr(e, variantNames[i])) {
1994 v = (VariantClass) i;
2001 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2002 || StrCaseStr(e, "wild/fr")
2003 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2004 v = VariantFischeRandom;
2005 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2006 (i = 1, p = StrCaseStr(e, "w"))) {
2008 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2015 case 0: /* FICS only, actually */
2017 /* Castling legal even if K starts on d-file */
2018 v = VariantWildCastle;
2023 /* Castling illegal even if K & R happen to start in
2024 normal positions. */
2025 v = VariantNoCastle;
2038 /* Castling legal iff K & R start in normal positions */
2044 /* Special wilds for position setup; unclear what to do here */
2045 v = VariantLoadable;
2048 /* Bizarre ICC game */
2049 v = VariantTwoKings;
2052 v = VariantKriegspiel;
2058 v = VariantFischeRandom;
2061 v = VariantCrazyhouse;
2064 v = VariantBughouse;
2070 /* Not quite the same as FICS suicide! */
2071 v = VariantGiveaway;
2077 v = VariantShatranj;
2080 /* Temporary names for future ICC types. The name *will* change in
2081 the next xboard/WinBoard release after ICC defines it. */
2119 v = VariantCapablanca;
2122 v = VariantKnightmate;
2128 v = VariantCylinder;
2134 v = VariantCapaRandom;
2137 v = VariantBerolina;
2149 /* Found "wild" or "w" in the string but no number;
2150 must assume it's normal chess. */
2154 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2155 if( (len >= MSG_SIZ) && appData.debugMode )
2156 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2158 DisplayError(buf, 0);
2164 if (appData.debugMode) {
2165 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2166 e, wnum, VariantName(v));
2171 static int leftover_start = 0, leftover_len = 0;
2172 char star_match[STAR_MATCH_N][MSG_SIZ];
2174 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2175 advance *index beyond it, and set leftover_start to the new value of
2176 *index; else return FALSE. If pattern contains the character '*', it
2177 matches any sequence of characters not containing '\r', '\n', or the
2178 character following the '*' (if any), and the matched sequence(s) are
2179 copied into star_match.
2182 looking_at ( char *buf, int *index, char *pattern)
2184 char *bufp = &buf[*index], *patternp = pattern;
2186 char *matchp = star_match[0];
2189 if (*patternp == NULLCHAR) {
2190 *index = leftover_start = bufp - buf;
2194 if (*bufp == NULLCHAR) return FALSE;
2195 if (*patternp == '*') {
2196 if (*bufp == *(patternp + 1)) {
2198 matchp = star_match[++star_count];
2202 } else if (*bufp == '\n' || *bufp == '\r') {
2204 if (*patternp == NULLCHAR)
2209 *matchp++ = *bufp++;
2213 if (*patternp != *bufp) return FALSE;
2220 SendToPlayer (char *data, int length)
2222 int error, outCount;
2223 outCount = OutputToProcess(NoProc, data, length, &error);
2224 if (outCount < length) {
2225 DisplayFatalError(_("Error writing to display"), error, 1);
2230 PackHolding (char packed[], char *holding)
2240 switch (runlength) {
2251 sprintf(q, "%d", runlength);
2263 /* Telnet protocol requests from the front end */
2265 TelnetRequest (unsigned char ddww, unsigned char option)
2267 unsigned char msg[3];
2268 int outCount, outError;
2270 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2272 if (appData.debugMode) {
2273 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2289 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2298 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2301 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2306 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2308 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2315 if (!appData.icsActive) return;
2316 TelnetRequest(TN_DO, TN_ECHO);
2322 if (!appData.icsActive) return;
2323 TelnetRequest(TN_DONT, TN_ECHO);
2327 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2329 /* put the holdings sent to us by the server on the board holdings area */
2330 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2334 if(gameInfo.holdingsWidth < 2) return;
2335 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2336 return; // prevent overwriting by pre-board holdings
2338 if( (int)lowestPiece >= BlackPawn ) {
2341 holdingsStartRow = BOARD_HEIGHT-1;
2344 holdingsColumn = BOARD_WIDTH-1;
2345 countsColumn = BOARD_WIDTH-2;
2346 holdingsStartRow = 0;
2350 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2351 board[i][holdingsColumn] = EmptySquare;
2352 board[i][countsColumn] = (ChessSquare) 0;
2354 while( (p=*holdings++) != NULLCHAR ) {
2355 piece = CharToPiece( ToUpper(p) );
2356 if(piece == EmptySquare) continue;
2357 /*j = (int) piece - (int) WhitePawn;*/
2358 j = PieceToNumber(piece);
2359 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2360 if(j < 0) continue; /* should not happen */
2361 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2362 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2363 board[holdingsStartRow+j*direction][countsColumn]++;
2369 VariantSwitch (Board board, VariantClass newVariant)
2371 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2372 static Board oldBoard;
2374 startedFromPositionFile = FALSE;
2375 if(gameInfo.variant == newVariant) return;
2377 /* [HGM] This routine is called each time an assignment is made to
2378 * gameInfo.variant during a game, to make sure the board sizes
2379 * are set to match the new variant. If that means adding or deleting
2380 * holdings, we shift the playing board accordingly
2381 * This kludge is needed because in ICS observe mode, we get boards
2382 * of an ongoing game without knowing the variant, and learn about the
2383 * latter only later. This can be because of the move list we requested,
2384 * in which case the game history is refilled from the beginning anyway,
2385 * but also when receiving holdings of a crazyhouse game. In the latter
2386 * case we want to add those holdings to the already received position.
2390 if (appData.debugMode) {
2391 fprintf(debugFP, "Switch board from %s to %s\n",
2392 VariantName(gameInfo.variant), VariantName(newVariant));
2393 setbuf(debugFP, NULL);
2395 shuffleOpenings = 0; /* [HGM] shuffle */
2396 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2400 newWidth = 9; newHeight = 9;
2401 gameInfo.holdingsSize = 7;
2402 case VariantBughouse:
2403 case VariantCrazyhouse:
2404 newHoldingsWidth = 2; break;
2408 newHoldingsWidth = 2;
2409 gameInfo.holdingsSize = 8;
2412 case VariantCapablanca:
2413 case VariantCapaRandom:
2416 newHoldingsWidth = gameInfo.holdingsSize = 0;
2419 if(newWidth != gameInfo.boardWidth ||
2420 newHeight != gameInfo.boardHeight ||
2421 newHoldingsWidth != gameInfo.holdingsWidth ) {
2423 /* shift position to new playing area, if needed */
2424 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2425 for(i=0; i<BOARD_HEIGHT; i++)
2426 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2427 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2429 for(i=0; i<newHeight; i++) {
2430 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2431 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2433 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2434 for(i=0; i<BOARD_HEIGHT; i++)
2435 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2436 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2439 gameInfo.boardWidth = newWidth;
2440 gameInfo.boardHeight = newHeight;
2441 gameInfo.holdingsWidth = newHoldingsWidth;
2442 gameInfo.variant = newVariant;
2443 InitDrawingSizes(-2, 0);
2444 } else gameInfo.variant = newVariant;
2445 CopyBoard(oldBoard, board); // remember correctly formatted board
2446 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2447 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2450 static int loggedOn = FALSE;
2452 /*-- Game start info cache: --*/
2454 char gs_kind[MSG_SIZ];
2455 static char player1Name[128] = "";
2456 static char player2Name[128] = "";
2457 static char cont_seq[] = "\n\\ ";
2458 static int player1Rating = -1;
2459 static int player2Rating = -1;
2460 /*----------------------------*/
2462 ColorClass curColor = ColorNormal;
2463 int suppressKibitz = 0;
2466 Boolean soughtPending = FALSE;
2467 Boolean seekGraphUp;
2468 #define MAX_SEEK_ADS 200
2470 char *seekAdList[MAX_SEEK_ADS];
2471 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2472 float tcList[MAX_SEEK_ADS];
2473 char colorList[MAX_SEEK_ADS];
2474 int nrOfSeekAds = 0;
2475 int minRating = 1010, maxRating = 2800;
2476 int hMargin = 10, vMargin = 20, h, w;
2477 extern int squareSize, lineGap;
2482 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2483 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2484 if(r < minRating+100 && r >=0 ) r = minRating+100;
2485 if(r > maxRating) r = maxRating;
2486 if(tc < 1.) tc = 1.;
2487 if(tc > 95.) tc = 95.;
2488 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2489 y = ((double)r - minRating)/(maxRating - minRating)
2490 * (h-vMargin-squareSize/8-1) + vMargin;
2491 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2492 if(strstr(seekAdList[i], " u ")) color = 1;
2493 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2494 !strstr(seekAdList[i], "bullet") &&
2495 !strstr(seekAdList[i], "blitz") &&
2496 !strstr(seekAdList[i], "standard") ) color = 2;
2497 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2498 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2502 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2504 char buf[MSG_SIZ], *ext = "";
2505 VariantClass v = StringToVariant(type);
2506 if(strstr(type, "wild")) {
2507 ext = type + 4; // append wild number
2508 if(v == VariantFischeRandom) type = "chess960"; else
2509 if(v == VariantLoadable) type = "setup"; else
2510 type = VariantName(v);
2512 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2513 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2514 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2515 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2516 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2517 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2518 seekNrList[nrOfSeekAds] = nr;
2519 zList[nrOfSeekAds] = 0;
2520 seekAdList[nrOfSeekAds++] = StrSave(buf);
2521 if(plot) PlotSeekAd(nrOfSeekAds-1);
2526 EraseSeekDot (int i)
2528 int x = xList[i], y = yList[i], d=squareSize/4, k;
2529 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2530 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2531 // now replot every dot that overlapped
2532 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2533 int xx = xList[k], yy = yList[k];
2534 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2535 DrawSeekDot(xx, yy, colorList[k]);
2540 RemoveSeekAd (int nr)
2543 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2545 if(seekAdList[i]) free(seekAdList[i]);
2546 seekAdList[i] = seekAdList[--nrOfSeekAds];
2547 seekNrList[i] = seekNrList[nrOfSeekAds];
2548 ratingList[i] = ratingList[nrOfSeekAds];
2549 colorList[i] = colorList[nrOfSeekAds];
2550 tcList[i] = tcList[nrOfSeekAds];
2551 xList[i] = xList[nrOfSeekAds];
2552 yList[i] = yList[nrOfSeekAds];
2553 zList[i] = zList[nrOfSeekAds];
2554 seekAdList[nrOfSeekAds] = NULL;
2560 MatchSoughtLine (char *line)
2562 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2563 int nr, base, inc, u=0; char dummy;
2565 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2566 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2568 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2569 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2570 // match: compact and save the line
2571 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2581 if(!seekGraphUp) return FALSE;
2582 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2583 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2585 DrawSeekBackground(0, 0, w, h);
2586 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2587 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2588 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2589 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2591 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2594 snprintf(buf, MSG_SIZ, "%d", i);
2595 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2598 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2599 for(i=1; i<100; i+=(i<10?1:5)) {
2600 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2601 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2602 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2604 snprintf(buf, MSG_SIZ, "%d", i);
2605 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2608 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2613 SeekGraphClick (ClickType click, int x, int y, int moving)
2615 static int lastDown = 0, displayed = 0, lastSecond;
2616 if(y < 0) return FALSE;
2617 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2618 if(click == Release || moving) return FALSE;
2620 soughtPending = TRUE;
2621 SendToICS(ics_prefix);
2622 SendToICS("sought\n"); // should this be "sought all"?
2623 } else { // issue challenge based on clicked ad
2624 int dist = 10000; int i, closest = 0, second = 0;
2625 for(i=0; i<nrOfSeekAds; i++) {
2626 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2627 if(d < dist) { dist = d; closest = i; }
2628 second += (d - zList[i] < 120); // count in-range ads
2629 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2633 second = (second > 1);
2634 if(displayed != closest || second != lastSecond) {
2635 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2636 lastSecond = second; displayed = closest;
2638 if(click == Press) {
2639 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2642 } // on press 'hit', only show info
2643 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2644 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2645 SendToICS(ics_prefix);
2647 return TRUE; // let incoming board of started game pop down the graph
2648 } else if(click == Release) { // release 'miss' is ignored
2649 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2650 if(moving == 2) { // right up-click
2651 nrOfSeekAds = 0; // refresh graph
2652 soughtPending = TRUE;
2653 SendToICS(ics_prefix);
2654 SendToICS("sought\n"); // should this be "sought all"?
2657 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2658 // press miss or release hit 'pop down' seek graph
2659 seekGraphUp = FALSE;
2660 DrawPosition(TRUE, NULL);
2666 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2668 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2669 #define STARTED_NONE 0
2670 #define STARTED_MOVES 1
2671 #define STARTED_BOARD 2
2672 #define STARTED_OBSERVE 3
2673 #define STARTED_HOLDINGS 4
2674 #define STARTED_CHATTER 5
2675 #define STARTED_COMMENT 6
2676 #define STARTED_MOVES_NOHIDE 7
2678 static int started = STARTED_NONE;
2679 static char parse[20000];
2680 static int parse_pos = 0;
2681 static char buf[BUF_SIZE + 1];
2682 static int firstTime = TRUE, intfSet = FALSE;
2683 static ColorClass prevColor = ColorNormal;
2684 static int savingComment = FALSE;
2685 static int cmatch = 0; // continuation sequence match
2692 int backup; /* [DM] For zippy color lines */
2694 char talker[MSG_SIZ]; // [HGM] chat
2697 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2699 if (appData.debugMode) {
2701 fprintf(debugFP, "<ICS: ");
2702 show_bytes(debugFP, data, count);
2703 fprintf(debugFP, "\n");
2707 if (appData.debugMode) { int f = forwardMostMove;
2708 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2709 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2710 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2713 /* If last read ended with a partial line that we couldn't parse,
2714 prepend it to the new read and try again. */
2715 if (leftover_len > 0) {
2716 for (i=0; i<leftover_len; i++)
2717 buf[i] = buf[leftover_start + i];
2720 /* copy new characters into the buffer */
2721 bp = buf + leftover_len;
2722 buf_len=leftover_len;
2723 for (i=0; i<count; i++)
2726 if (data[i] == '\r')
2729 // join lines split by ICS?
2730 if (!appData.noJoin)
2733 Joining just consists of finding matches against the
2734 continuation sequence, and discarding that sequence
2735 if found instead of copying it. So, until a match
2736 fails, there's nothing to do since it might be the
2737 complete sequence, and thus, something we don't want
2740 if (data[i] == cont_seq[cmatch])
2743 if (cmatch == strlen(cont_seq))
2745 cmatch = 0; // complete match. just reset the counter
2748 it's possible for the ICS to not include the space
2749 at the end of the last word, making our [correct]
2750 join operation fuse two separate words. the server
2751 does this when the space occurs at the width setting.
2753 if (!buf_len || buf[buf_len-1] != ' ')
2764 match failed, so we have to copy what matched before
2765 falling through and copying this character. In reality,
2766 this will only ever be just the newline character, but
2767 it doesn't hurt to be precise.
2769 strncpy(bp, cont_seq, cmatch);
2781 buf[buf_len] = NULLCHAR;
2782 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2787 while (i < buf_len) {
2788 /* Deal with part of the TELNET option negotiation
2789 protocol. We refuse to do anything beyond the
2790 defaults, except that we allow the WILL ECHO option,
2791 which ICS uses to turn off password echoing when we are
2792 directly connected to it. We reject this option
2793 if localLineEditing mode is on (always on in xboard)
2794 and we are talking to port 23, which might be a real
2795 telnet server that will try to keep WILL ECHO on permanently.
2797 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2798 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2799 unsigned char option;
2801 switch ((unsigned char) buf[++i]) {
2803 if (appData.debugMode)
2804 fprintf(debugFP, "\n<WILL ");
2805 switch (option = (unsigned char) buf[++i]) {
2807 if (appData.debugMode)
2808 fprintf(debugFP, "ECHO ");
2809 /* Reply only if this is a change, according
2810 to the protocol rules. */
2811 if (remoteEchoOption) break;
2812 if (appData.localLineEditing &&
2813 atoi(appData.icsPort) == TN_PORT) {
2814 TelnetRequest(TN_DONT, TN_ECHO);
2817 TelnetRequest(TN_DO, TN_ECHO);
2818 remoteEchoOption = TRUE;
2822 if (appData.debugMode)
2823 fprintf(debugFP, "%d ", option);
2824 /* Whatever this is, we don't want it. */
2825 TelnetRequest(TN_DONT, option);
2830 if (appData.debugMode)
2831 fprintf(debugFP, "\n<WONT ");
2832 switch (option = (unsigned char) buf[++i]) {
2834 if (appData.debugMode)
2835 fprintf(debugFP, "ECHO ");
2836 /* Reply only if this is a change, according
2837 to the protocol rules. */
2838 if (!remoteEchoOption) break;
2840 TelnetRequest(TN_DONT, TN_ECHO);
2841 remoteEchoOption = FALSE;
2844 if (appData.debugMode)
2845 fprintf(debugFP, "%d ", (unsigned char) option);
2846 /* Whatever this is, it must already be turned
2847 off, because we never agree to turn on
2848 anything non-default, so according to the
2849 protocol rules, we don't reply. */
2854 if (appData.debugMode)
2855 fprintf(debugFP, "\n<DO ");
2856 switch (option = (unsigned char) buf[++i]) {
2858 /* Whatever this is, we refuse to do it. */
2859 if (appData.debugMode)
2860 fprintf(debugFP, "%d ", option);
2861 TelnetRequest(TN_WONT, option);
2866 if (appData.debugMode)
2867 fprintf(debugFP, "\n<DONT ");
2868 switch (option = (unsigned char) buf[++i]) {
2870 if (appData.debugMode)
2871 fprintf(debugFP, "%d ", option);
2872 /* Whatever this is, we are already not doing
2873 it, because we never agree to do anything
2874 non-default, so according to the protocol
2875 rules, we don't reply. */
2880 if (appData.debugMode)
2881 fprintf(debugFP, "\n<IAC ");
2882 /* Doubled IAC; pass it through */
2886 if (appData.debugMode)
2887 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2888 /* Drop all other telnet commands on the floor */
2891 if (oldi > next_out)
2892 SendToPlayer(&buf[next_out], oldi - next_out);
2898 /* OK, this at least will *usually* work */
2899 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2903 if (loggedOn && !intfSet) {
2904 if (ics_type == ICS_ICC) {
2905 snprintf(str, MSG_SIZ,
2906 "/set-quietly interface %s\n/set-quietly style 12\n",
2908 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2909 strcat(str, "/set-2 51 1\n/set seek 1\n");
2910 } else if (ics_type == ICS_CHESSNET) {
2911 snprintf(str, MSG_SIZ, "/style 12\n");
2913 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2914 strcat(str, programVersion);
2915 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2916 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2917 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2919 strcat(str, "$iset nohighlight 1\n");
2921 strcat(str, "$iset lock 1\n$style 12\n");
2924 NotifyFrontendLogin();
2928 if (started == STARTED_COMMENT) {
2929 /* Accumulate characters in comment */
2930 parse[parse_pos++] = buf[i];
2931 if (buf[i] == '\n') {
2932 parse[parse_pos] = NULLCHAR;
2933 if(chattingPartner>=0) {
2935 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2936 OutputChatMessage(chattingPartner, mess);
2937 chattingPartner = -1;
2938 next_out = i+1; // [HGM] suppress printing in ICS window
2940 if(!suppressKibitz) // [HGM] kibitz
2941 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2942 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2943 int nrDigit = 0, nrAlph = 0, j;
2944 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2945 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2946 parse[parse_pos] = NULLCHAR;
2947 // try to be smart: if it does not look like search info, it should go to
2948 // ICS interaction window after all, not to engine-output window.
2949 for(j=0; j<parse_pos; j++) { // count letters and digits
2950 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2951 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2952 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2954 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2955 int depth=0; float score;
2956 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2957 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2958 pvInfoList[forwardMostMove-1].depth = depth;
2959 pvInfoList[forwardMostMove-1].score = 100*score;
2961 OutputKibitz(suppressKibitz, parse);
2964 if(gameMode == IcsObserving) // restore original ICS messages
2965 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2967 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2968 SendToPlayer(tmp, strlen(tmp));
2970 next_out = i+1; // [HGM] suppress printing in ICS window
2972 started = STARTED_NONE;
2974 /* Don't match patterns against characters in comment */
2979 if (started == STARTED_CHATTER) {
2980 if (buf[i] != '\n') {
2981 /* Don't match patterns against characters in chatter */
2985 started = STARTED_NONE;
2986 if(suppressKibitz) next_out = i+1;
2989 /* Kludge to deal with rcmd protocol */
2990 if (firstTime && looking_at(buf, &i, "\001*")) {
2991 DisplayFatalError(&buf[1], 0, 1);
2997 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3000 if (appData.debugMode)
3001 fprintf(debugFP, "ics_type %d\n", ics_type);
3004 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3005 ics_type = ICS_FICS;
3007 if (appData.debugMode)
3008 fprintf(debugFP, "ics_type %d\n", ics_type);
3011 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3012 ics_type = ICS_CHESSNET;
3014 if (appData.debugMode)
3015 fprintf(debugFP, "ics_type %d\n", ics_type);
3020 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3021 looking_at(buf, &i, "Logging you in as \"*\"") ||
3022 looking_at(buf, &i, "will be \"*\""))) {
3023 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3027 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3029 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3030 DisplayIcsInteractionTitle(buf);
3031 have_set_title = TRUE;
3034 /* skip finger notes */
3035 if (started == STARTED_NONE &&
3036 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3037 (buf[i] == '1' && buf[i+1] == '0')) &&
3038 buf[i+2] == ':' && buf[i+3] == ' ') {
3039 started = STARTED_CHATTER;
3045 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3046 if(appData.seekGraph) {
3047 if(soughtPending && MatchSoughtLine(buf+i)) {
3048 i = strstr(buf+i, "rated") - buf;
3049 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3050 next_out = leftover_start = i;
3051 started = STARTED_CHATTER;
3052 suppressKibitz = TRUE;
3055 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3056 && looking_at(buf, &i, "* ads displayed")) {
3057 soughtPending = FALSE;
3062 if(appData.autoRefresh) {
3063 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3064 int s = (ics_type == ICS_ICC); // ICC format differs
3066 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3067 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3068 looking_at(buf, &i, "*% "); // eat prompt
3069 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3070 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3071 next_out = i; // suppress
3074 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3075 char *p = star_match[0];
3077 if(seekGraphUp) RemoveSeekAd(atoi(p));
3078 while(*p && *p++ != ' '); // next
3080 looking_at(buf, &i, "*% "); // eat prompt
3081 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3088 /* skip formula vars */
3089 if (started == STARTED_NONE &&
3090 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3091 started = STARTED_CHATTER;
3096 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3097 if (appData.autoKibitz && started == STARTED_NONE &&
3098 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3099 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3100 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3101 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3102 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3103 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3104 suppressKibitz = TRUE;
3105 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3107 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3108 && (gameMode == IcsPlayingWhite)) ||
3109 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3110 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3111 started = STARTED_CHATTER; // own kibitz we simply discard
3113 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3114 parse_pos = 0; parse[0] = NULLCHAR;
3115 savingComment = TRUE;
3116 suppressKibitz = gameMode != IcsObserving ? 2 :
3117 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3121 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3122 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3123 && atoi(star_match[0])) {
3124 // suppress the acknowledgements of our own autoKibitz
3126 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3127 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3128 SendToPlayer(star_match[0], strlen(star_match[0]));
3129 if(looking_at(buf, &i, "*% ")) // eat prompt
3130 suppressKibitz = FALSE;
3134 } // [HGM] kibitz: end of patch
3136 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3138 // [HGM] chat: intercept tells by users for which we have an open chat window
3140 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3141 looking_at(buf, &i, "* whispers:") ||
3142 looking_at(buf, &i, "* kibitzes:") ||
3143 looking_at(buf, &i, "* shouts:") ||
3144 looking_at(buf, &i, "* c-shouts:") ||
3145 looking_at(buf, &i, "--> * ") ||
3146 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3147 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3148 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3149 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3151 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3152 chattingPartner = -1;
3154 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3155 for(p=0; p<MAX_CHAT; p++) {
3156 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3157 talker[0] = '['; strcat(talker, "] ");
3158 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3159 chattingPartner = p; break;
3162 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3163 for(p=0; p<MAX_CHAT; p++) {
3164 if(!strcmp("kibitzes", chatPartner[p])) {
3165 talker[0] = '['; strcat(talker, "] ");
3166 chattingPartner = p; break;
3169 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3170 for(p=0; p<MAX_CHAT; p++) {
3171 if(!strcmp("whispers", chatPartner[p])) {
3172 talker[0] = '['; strcat(talker, "] ");
3173 chattingPartner = p; break;
3176 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3177 if(buf[i-8] == '-' && buf[i-3] == 't')
3178 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3179 if(!strcmp("c-shouts", chatPartner[p])) {
3180 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3181 chattingPartner = p; break;
3184 if(chattingPartner < 0)
3185 for(p=0; p<MAX_CHAT; p++) {
3186 if(!strcmp("shouts", chatPartner[p])) {
3187 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3188 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3189 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3190 chattingPartner = p; break;
3194 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3195 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3196 talker[0] = 0; Colorize(ColorTell, FALSE);
3197 chattingPartner = p; break;
3199 if(chattingPartner<0) i = oldi; else {
3200 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3201 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3202 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3203 started = STARTED_COMMENT;
3204 parse_pos = 0; parse[0] = NULLCHAR;
3205 savingComment = 3 + chattingPartner; // counts as TRUE
3206 suppressKibitz = TRUE;
3209 } // [HGM] chat: end of patch
3212 if (appData.zippyTalk || appData.zippyPlay) {
3213 /* [DM] Backup address for color zippy lines */
3215 if (loggedOn == TRUE)
3216 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3217 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3219 } // [DM] 'else { ' deleted
3221 /* Regular tells and says */
3222 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3223 looking_at(buf, &i, "* (your partner) tells you: ") ||
3224 looking_at(buf, &i, "* says: ") ||
3225 /* Don't color "message" or "messages" output */
3226 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3227 looking_at(buf, &i, "*. * at *:*: ") ||
3228 looking_at(buf, &i, "--* (*:*): ") ||
3229 /* Message notifications (same color as tells) */
3230 looking_at(buf, &i, "* has left a message ") ||
3231 looking_at(buf, &i, "* just sent you a message:\n") ||
3232 /* Whispers and kibitzes */
3233 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3234 looking_at(buf, &i, "* kibitzes: ") ||
3236 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3238 if (tkind == 1 && strchr(star_match[0], ':')) {
3239 /* Avoid "tells you:" spoofs in channels */
3242 if (star_match[0][0] == NULLCHAR ||
3243 strchr(star_match[0], ' ') ||
3244 (tkind == 3 && strchr(star_match[1], ' '))) {
3245 /* Reject bogus matches */
3248 if (appData.colorize) {
3249 if (oldi > next_out) {
3250 SendToPlayer(&buf[next_out], oldi - next_out);
3255 Colorize(ColorTell, FALSE);
3256 curColor = ColorTell;
3259 Colorize(ColorKibitz, FALSE);
3260 curColor = ColorKibitz;
3263 p = strrchr(star_match[1], '(');
3270 Colorize(ColorChannel1, FALSE);
3271 curColor = ColorChannel1;
3273 Colorize(ColorChannel, FALSE);
3274 curColor = ColorChannel;
3278 curColor = ColorNormal;
3282 if (started == STARTED_NONE && appData.autoComment &&
3283 (gameMode == IcsObserving ||
3284 gameMode == IcsPlayingWhite ||
3285 gameMode == IcsPlayingBlack)) {
3286 parse_pos = i - oldi;
3287 memcpy(parse, &buf[oldi], parse_pos);
3288 parse[parse_pos] = NULLCHAR;
3289 started = STARTED_COMMENT;
3290 savingComment = TRUE;
3292 started = STARTED_CHATTER;
3293 savingComment = FALSE;
3300 if (looking_at(buf, &i, "* s-shouts: ") ||
3301 looking_at(buf, &i, "* c-shouts: ")) {
3302 if (appData.colorize) {
3303 if (oldi > next_out) {
3304 SendToPlayer(&buf[next_out], oldi - next_out);
3307 Colorize(ColorSShout, FALSE);
3308 curColor = ColorSShout;
3311 started = STARTED_CHATTER;
3315 if (looking_at(buf, &i, "--->")) {
3320 if (looking_at(buf, &i, "* shouts: ") ||
3321 looking_at(buf, &i, "--> ")) {
3322 if (appData.colorize) {
3323 if (oldi > next_out) {
3324 SendToPlayer(&buf[next_out], oldi - next_out);
3327 Colorize(ColorShout, FALSE);
3328 curColor = ColorShout;
3331 started = STARTED_CHATTER;
3335 if (looking_at( buf, &i, "Challenge:")) {
3336 if (appData.colorize) {
3337 if (oldi > next_out) {
3338 SendToPlayer(&buf[next_out], oldi - next_out);
3341 Colorize(ColorChallenge, FALSE);
3342 curColor = ColorChallenge;
3348 if (looking_at(buf, &i, "* offers you") ||
3349 looking_at(buf, &i, "* offers to be") ||
3350 looking_at(buf, &i, "* would like to") ||
3351 looking_at(buf, &i, "* requests to") ||
3352 looking_at(buf, &i, "Your opponent offers") ||
3353 looking_at(buf, &i, "Your opponent requests")) {
3355 if (appData.colorize) {
3356 if (oldi > next_out) {
3357 SendToPlayer(&buf[next_out], oldi - next_out);
3360 Colorize(ColorRequest, FALSE);
3361 curColor = ColorRequest;
3366 if (looking_at(buf, &i, "* (*) seeking")) {
3367 if (appData.colorize) {
3368 if (oldi > next_out) {
3369 SendToPlayer(&buf[next_out], oldi - next_out);
3372 Colorize(ColorSeek, FALSE);
3373 curColor = ColorSeek;
3378 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3380 if (looking_at(buf, &i, "\\ ")) {
3381 if (prevColor != ColorNormal) {
3382 if (oldi > next_out) {
3383 SendToPlayer(&buf[next_out], oldi - next_out);
3386 Colorize(prevColor, TRUE);
3387 curColor = prevColor;
3389 if (savingComment) {
3390 parse_pos = i - oldi;
3391 memcpy(parse, &buf[oldi], parse_pos);
3392 parse[parse_pos] = NULLCHAR;
3393 started = STARTED_COMMENT;
3394 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3395 chattingPartner = savingComment - 3; // kludge to remember the box
3397 started = STARTED_CHATTER;
3402 if (looking_at(buf, &i, "Black Strength :") ||
3403 looking_at(buf, &i, "<<< style 10 board >>>") ||
3404 looking_at(buf, &i, "<10>") ||
3405 looking_at(buf, &i, "#@#")) {
3406 /* Wrong board style */
3408 SendToICS(ics_prefix);
3409 SendToICS("set style 12\n");
3410 SendToICS(ics_prefix);
3411 SendToICS("refresh\n");
3415 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3417 have_sent_ICS_logon = 1;
3421 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3422 (looking_at(buf, &i, "\n<12> ") ||
3423 looking_at(buf, &i, "<12> "))) {
3425 if (oldi > next_out) {
3426 SendToPlayer(&buf[next_out], oldi - next_out);
3429 started = STARTED_BOARD;
3434 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3435 looking_at(buf, &i, "<b1> ")) {
3436 if (oldi > next_out) {
3437 SendToPlayer(&buf[next_out], oldi - next_out);
3440 started = STARTED_HOLDINGS;
3445 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3447 /* Header for a move list -- first line */
3449 switch (ics_getting_history) {
3453 case BeginningOfGame:
3454 /* User typed "moves" or "oldmoves" while we
3455 were idle. Pretend we asked for these
3456 moves and soak them up so user can step
3457 through them and/or save them.
3460 gameMode = IcsObserving;
3463 ics_getting_history = H_GOT_UNREQ_HEADER;
3465 case EditGame: /*?*/
3466 case EditPosition: /*?*/
3467 /* Should above feature work in these modes too? */
3468 /* For now it doesn't */
3469 ics_getting_history = H_GOT_UNWANTED_HEADER;
3472 ics_getting_history = H_GOT_UNWANTED_HEADER;
3477 /* Is this the right one? */
3478 if (gameInfo.white && gameInfo.black &&
3479 strcmp(gameInfo.white, star_match[0]) == 0 &&
3480 strcmp(gameInfo.black, star_match[2]) == 0) {
3482 ics_getting_history = H_GOT_REQ_HEADER;
3485 case H_GOT_REQ_HEADER:
3486 case H_GOT_UNREQ_HEADER:
3487 case H_GOT_UNWANTED_HEADER:
3488 case H_GETTING_MOVES:
3489 /* Should not happen */
3490 DisplayError(_("Error gathering move list: two headers"), 0);
3491 ics_getting_history = H_FALSE;
3495 /* Save player ratings into gameInfo if needed */
3496 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3497 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3498 (gameInfo.whiteRating == -1 ||
3499 gameInfo.blackRating == -1)) {
3501 gameInfo.whiteRating = string_to_rating(star_match[1]);
3502 gameInfo.blackRating = string_to_rating(star_match[3]);
3503 if (appData.debugMode)
3504 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3505 gameInfo.whiteRating, gameInfo.blackRating);
3510 if (looking_at(buf, &i,
3511 "* * match, initial time: * minute*, increment: * second")) {
3512 /* Header for a move list -- second line */
3513 /* Initial board will follow if this is a wild game */
3514 if (gameInfo.event != NULL) free(gameInfo.event);
3515 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3516 gameInfo.event = StrSave(str);
3517 /* [HGM] we switched variant. Translate boards if needed. */
3518 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3522 if (looking_at(buf, &i, "Move ")) {
3523 /* Beginning of a move list */
3524 switch (ics_getting_history) {
3526 /* Normally should not happen */
3527 /* Maybe user hit reset while we were parsing */
3530 /* Happens if we are ignoring a move list that is not
3531 * the one we just requested. Common if the user
3532 * tries to observe two games without turning off
3535 case H_GETTING_MOVES:
3536 /* Should not happen */
3537 DisplayError(_("Error gathering move list: nested"), 0);
3538 ics_getting_history = H_FALSE;
3540 case H_GOT_REQ_HEADER:
3541 ics_getting_history = H_GETTING_MOVES;
3542 started = STARTED_MOVES;
3544 if (oldi > next_out) {
3545 SendToPlayer(&buf[next_out], oldi - next_out);
3548 case H_GOT_UNREQ_HEADER:
3549 ics_getting_history = H_GETTING_MOVES;
3550 started = STARTED_MOVES_NOHIDE;
3553 case H_GOT_UNWANTED_HEADER:
3554 ics_getting_history = H_FALSE;
3560 if (looking_at(buf, &i, "% ") ||
3561 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3562 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3563 if(soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3564 soughtPending = FALSE;
3568 if(suppressKibitz) next_out = i;
3569 savingComment = FALSE;
3573 case STARTED_MOVES_NOHIDE:
3574 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3575 parse[parse_pos + i - oldi] = NULLCHAR;
3576 ParseGameHistory(parse);
3578 if (appData.zippyPlay && first.initDone) {
3579 FeedMovesToProgram(&first, forwardMostMove);
3580 if (gameMode == IcsPlayingWhite) {
3581 if (WhiteOnMove(forwardMostMove)) {
3582 if (first.sendTime) {
3583 if (first.useColors) {
3584 SendToProgram("black\n", &first);
3586 SendTimeRemaining(&first, TRUE);
3588 if (first.useColors) {
3589 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3591 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3592 first.maybeThinking = TRUE;
3594 if (first.usePlayother) {
3595 if (first.sendTime) {
3596 SendTimeRemaining(&first, TRUE);
3598 SendToProgram("playother\n", &first);
3604 } else if (gameMode == IcsPlayingBlack) {
3605 if (!WhiteOnMove(forwardMostMove)) {
3606 if (first.sendTime) {
3607 if (first.useColors) {
3608 SendToProgram("white\n", &first);
3610 SendTimeRemaining(&first, FALSE);
3612 if (first.useColors) {
3613 SendToProgram("black\n", &first);
3615 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3616 first.maybeThinking = TRUE;
3618 if (first.usePlayother) {
3619 if (first.sendTime) {
3620 SendTimeRemaining(&first, FALSE);
3622 SendToProgram("playother\n", &first);
3631 if (gameMode == IcsObserving && ics_gamenum == -1) {
3632 /* Moves came from oldmoves or moves command
3633 while we weren't doing anything else.
3635 currentMove = forwardMostMove;
3636 ClearHighlights();/*!!could figure this out*/
3637 flipView = appData.flipView;
3638 DrawPosition(TRUE, boards[currentMove]);
3639 DisplayBothClocks();
3640 snprintf(str, MSG_SIZ, "%s %s %s",
3641 gameInfo.white, _("vs."), gameInfo.black);
3645 /* Moves were history of an active game */
3646 if (gameInfo.resultDetails != NULL) {
3647 free(gameInfo.resultDetails);
3648 gameInfo.resultDetails = NULL;
3651 HistorySet(parseList, backwardMostMove,
3652 forwardMostMove, currentMove-1);
3653 DisplayMove(currentMove - 1);
3654 if (started == STARTED_MOVES) next_out = i;
3655 started = STARTED_NONE;
3656 ics_getting_history = H_FALSE;
3659 case STARTED_OBSERVE:
3660 started = STARTED_NONE;
3661 SendToICS(ics_prefix);
3662 SendToICS("refresh\n");
3668 if(bookHit) { // [HGM] book: simulate book reply
3669 static char bookMove[MSG_SIZ]; // a bit generous?
3671 programStats.nodes = programStats.depth = programStats.time =
3672 programStats.score = programStats.got_only_move = 0;
3673 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3675 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3676 strcat(bookMove, bookHit);
3677 HandleMachineMove(bookMove, &first);
3682 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3683 started == STARTED_HOLDINGS ||
3684 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3685 /* Accumulate characters in move list or board */
3686 parse[parse_pos++] = buf[i];
3689 /* Start of game messages. Mostly we detect start of game
3690 when the first board image arrives. On some versions
3691 of the ICS, though, we need to do a "refresh" after starting
3692 to observe in order to get the current board right away. */
3693 if (looking_at(buf, &i, "Adding game * to observation list")) {
3694 started = STARTED_OBSERVE;
3698 /* Handle auto-observe */
3699 if (appData.autoObserve &&
3700 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3701 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3703 /* Choose the player that was highlighted, if any. */
3704 if (star_match[0][0] == '\033' ||
3705 star_match[1][0] != '\033') {
3706 player = star_match[0];
3708 player = star_match[2];
3710 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3711 ics_prefix, StripHighlightAndTitle(player));
3714 /* Save ratings from notify string */
3715 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3716 player1Rating = string_to_rating(star_match[1]);
3717 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3718 player2Rating = string_to_rating(star_match[3]);
3720 if (appData.debugMode)
3722 "Ratings from 'Game notification:' %s %d, %s %d\n",
3723 player1Name, player1Rating,
3724 player2Name, player2Rating);
3729 /* Deal with automatic examine mode after a game,
3730 and with IcsObserving -> IcsExamining transition */
3731 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3732 looking_at(buf, &i, "has made you an examiner of game *")) {
3734 int gamenum = atoi(star_match[0]);
3735 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3736 gamenum == ics_gamenum) {
3737 /* We were already playing or observing this game;
3738 no need to refetch history */
3739 gameMode = IcsExamining;
3741 pauseExamForwardMostMove = forwardMostMove;
3742 } else if (currentMove < forwardMostMove) {
3743 ForwardInner(forwardMostMove);
3746 /* I don't think this case really can happen */
3747 SendToICS(ics_prefix);
3748 SendToICS("refresh\n");
3753 /* Error messages */
3754 // if (ics_user_moved) {
3755 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3756 if (looking_at(buf, &i, "Illegal move") ||
3757 looking_at(buf, &i, "Not a legal move") ||
3758 looking_at(buf, &i, "Your king is in check") ||
3759 looking_at(buf, &i, "It isn't your turn") ||
3760 looking_at(buf, &i, "It is not your move")) {
3762 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3763 currentMove = forwardMostMove-1;
3764 DisplayMove(currentMove - 1); /* before DMError */
3765 DrawPosition(FALSE, boards[currentMove]);
3766 SwitchClocks(forwardMostMove-1); // [HGM] race
3767 DisplayBothClocks();
3769 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3775 if (looking_at(buf, &i, "still have time") ||
3776 looking_at(buf, &i, "not out of time") ||
3777 looking_at(buf, &i, "either player is out of time") ||
3778 looking_at(buf, &i, "has timeseal; checking")) {
3779 /* We must have called his flag a little too soon */
3780 whiteFlag = blackFlag = FALSE;
3784 if (looking_at(buf, &i, "added * seconds to") ||
3785 looking_at(buf, &i, "seconds were added to")) {
3786 /* Update the clocks */
3787 SendToICS(ics_prefix);
3788 SendToICS("refresh\n");
3792 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3793 ics_clock_paused = TRUE;
3798 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3799 ics_clock_paused = FALSE;
3804 /* Grab player ratings from the Creating: message.
3805 Note we have to check for the special case when
3806 the ICS inserts things like [white] or [black]. */
3807 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3808 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3810 0 player 1 name (not necessarily white)
3812 2 empty, white, or black (IGNORED)
3813 3 player 2 name (not necessarily black)
3816 The names/ratings are sorted out when the game
3817 actually starts (below).
3819 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3820 player1Rating = string_to_rating(star_match[1]);
3821 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3822 player2Rating = string_to_rating(star_match[4]);
3824 if (appData.debugMode)
3826 "Ratings from 'Creating:' %s %d, %s %d\n",
3827 player1Name, player1Rating,
3828 player2Name, player2Rating);
3833 /* Improved generic start/end-of-game messages */
3834 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3835 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3836 /* If tkind == 0: */
3837 /* star_match[0] is the game number */
3838 /* [1] is the white player's name */
3839 /* [2] is the black player's name */
3840 /* For end-of-game: */
3841 /* [3] is the reason for the game end */
3842 /* [4] is a PGN end game-token, preceded by " " */
3843 /* For start-of-game: */
3844 /* [3] begins with "Creating" or "Continuing" */
3845 /* [4] is " *" or empty (don't care). */
3846 int gamenum = atoi(star_match[0]);
3847 char *whitename, *blackname, *why, *endtoken;
3848 ChessMove endtype = EndOfFile;
3851 whitename = star_match[1];
3852 blackname = star_match[2];
3853 why = star_match[3];
3854 endtoken = star_match[4];
3856 whitename = star_match[1];
3857 blackname = star_match[3];
3858 why = star_match[5];
3859 endtoken = star_match[6];
3862 /* Game start messages */
3863 if (strncmp(why, "Creating ", 9) == 0 ||
3864 strncmp(why, "Continuing ", 11) == 0) {
3865 gs_gamenum = gamenum;
3866 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3867 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3868 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3870 if (appData.zippyPlay) {
3871 ZippyGameStart(whitename, blackname);
3874 partnerBoardValid = FALSE; // [HGM] bughouse
3878 /* Game end messages */
3879 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3880 ics_gamenum != gamenum) {
3883 while (endtoken[0] == ' ') endtoken++;
3884 switch (endtoken[0]) {
3887 endtype = GameUnfinished;
3890 endtype = BlackWins;
3893 if (endtoken[1] == '/')
3894 endtype = GameIsDrawn;
3896 endtype = WhiteWins;
3899 GameEnds(endtype, why, GE_ICS);
3901 if (appData.zippyPlay && first.initDone) {
3902 ZippyGameEnd(endtype, why);
3903 if (first.pr == NoProc) {
3904 /* Start the next process early so that we'll
3905 be ready for the next challenge */
3906 StartChessProgram(&first);
3908 /* Send "new" early, in case this command takes
3909 a long time to finish, so that we'll be ready
3910 for the next challenge. */
3911 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3915 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3919 if (looking_at(buf, &i, "Removing game * from observation") ||
3920 looking_at(buf, &i, "no longer observing game *") ||
3921 looking_at(buf, &i, "Game * (*) has no examiners")) {
3922 if (gameMode == IcsObserving &&
3923 atoi(star_match[0]) == ics_gamenum)
3925 /* icsEngineAnalyze */
3926 if (appData.icsEngineAnalyze) {
3933 ics_user_moved = FALSE;
3938 if (looking_at(buf, &i, "no longer examining game *")) {
3939 if (gameMode == IcsExamining &&
3940 atoi(star_match[0]) == ics_gamenum)
3944 ics_user_moved = FALSE;
3949 /* Advance leftover_start past any newlines we find,
3950 so only partial lines can get reparsed */
3951 if (looking_at(buf, &i, "\n")) {
3952 prevColor = curColor;
3953 if (curColor != ColorNormal) {
3954 if (oldi > next_out) {
3955 SendToPlayer(&buf[next_out], oldi - next_out);
3958 Colorize(ColorNormal, FALSE);
3959 curColor = ColorNormal;
3961 if (started == STARTED_BOARD) {
3962 started = STARTED_NONE;
3963 parse[parse_pos] = NULLCHAR;
3964 ParseBoard12(parse);
3967 /* Send premove here */
3968 if (appData.premove) {
3970 if (currentMove == 0 &&
3971 gameMode == IcsPlayingWhite &&
3972 appData.premoveWhite) {
3973 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3974 if (appData.debugMode)
3975 fprintf(debugFP, "Sending premove:\n");
3977 } else if (currentMove == 1 &&
3978 gameMode == IcsPlayingBlack &&
3979 appData.premoveBlack) {
3980 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3981 if (appData.debugMode)
3982 fprintf(debugFP, "Sending premove:\n");
3984 } else if (gotPremove) {
3986 ClearPremoveHighlights();
3987 if (appData.debugMode)
3988 fprintf(debugFP, "Sending premove:\n");
3989 UserMoveEvent(premoveFromX, premoveFromY,
3990 premoveToX, premoveToY,
3995 /* Usually suppress following prompt */
3996 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3997 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3998 if (looking_at(buf, &i, "*% ")) {
3999 savingComment = FALSE;
4004 } else if (started == STARTED_HOLDINGS) {
4006 char new_piece[MSG_SIZ];
4007 started = STARTED_NONE;
4008 parse[parse_pos] = NULLCHAR;
4009 if (appData.debugMode)
4010 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4011 parse, currentMove);
4012 if (sscanf(parse, " game %d", &gamenum) == 1) {
4013 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4014 if (gameInfo.variant == VariantNormal) {
4015 /* [HGM] We seem to switch variant during a game!
4016 * Presumably no holdings were displayed, so we have
4017 * to move the position two files to the right to
4018 * create room for them!
4020 VariantClass newVariant;
4021 switch(gameInfo.boardWidth) { // base guess on board width
4022 case 9: newVariant = VariantShogi; break;
4023 case 10: newVariant = VariantGreat; break;
4024 default: newVariant = VariantCrazyhouse; break;
4026 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4027 /* Get a move list just to see the header, which
4028 will tell us whether this is really bug or zh */
4029 if (ics_getting_history == H_FALSE) {
4030 ics_getting_history = H_REQUESTED;
4031 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4035 new_piece[0] = NULLCHAR;
4036 sscanf(parse, "game %d white [%s black [%s <- %s",
4037 &gamenum, white_holding, black_holding,
4039 white_holding[strlen(white_holding)-1] = NULLCHAR;
4040 black_holding[strlen(black_holding)-1] = NULLCHAR;
4041 /* [HGM] copy holdings to board holdings area */
4042 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4043 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4044 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4046 if (appData.zippyPlay && first.initDone) {
4047 ZippyHoldings(white_holding, black_holding,
4051 if (tinyLayout || smallLayout) {
4052 char wh[16], bh[16];
4053 PackHolding(wh, white_holding);
4054 PackHolding(bh, black_holding);
4055 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4056 gameInfo.white, gameInfo.black);
4058 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4059 gameInfo.white, white_holding, _("vs."),
4060 gameInfo.black, black_holding);
4062 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4063 DrawPosition(FALSE, boards[currentMove]);
4065 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4066 sscanf(parse, "game %d white [%s black [%s <- %s",
4067 &gamenum, white_holding, black_holding,
4069 white_holding[strlen(white_holding)-1] = NULLCHAR;
4070 black_holding[strlen(black_holding)-1] = NULLCHAR;
4071 /* [HGM] copy holdings to partner-board holdings area */
4072 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4073 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4074 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4075 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4076 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4079 /* Suppress following prompt */
4080 if (looking_at(buf, &i, "*% ")) {
4081 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4082 savingComment = FALSE;
4090 i++; /* skip unparsed character and loop back */
4093 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4094 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4095 // SendToPlayer(&buf[next_out], i - next_out);
4096 started != STARTED_HOLDINGS && leftover_start > next_out) {
4097 SendToPlayer(&buf[next_out], leftover_start - next_out);
4101 leftover_len = buf_len - leftover_start;
4102 /* if buffer ends with something we couldn't parse,
4103 reparse it after appending the next read */
4105 } else if (count == 0) {
4106 RemoveInputSource(isr);
4107 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4109 DisplayFatalError(_("Error reading from ICS"), error, 1);
4114 /* Board style 12 looks like this:
4116 <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
4118 * The "<12> " is stripped before it gets to this routine. The two
4119 * trailing 0's (flip state and clock ticking) are later addition, and
4120 * some chess servers may not have them, or may have only the first.
4121 * Additional trailing fields may be added in the future.
4124 #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"
4126 #define RELATION_OBSERVING_PLAYED 0
4127 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4128 #define RELATION_PLAYING_MYMOVE 1
4129 #define RELATION_PLAYING_NOTMYMOVE -1
4130 #define RELATION_EXAMINING 2
4131 #define RELATION_ISOLATED_BOARD -3
4132 #define RELATION_STARTING_POSITION -4 /* FICS only */
4135 ParseBoard12 (char *string)
4137 GameMode newGameMode;
4138 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4139 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4140 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4141 char to_play, board_chars[200];
4142 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4143 char black[32], white[32];
4145 int prevMove = currentMove;
4148 int fromX, fromY, toX, toY;
4150 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4151 char *bookHit = NULL; // [HGM] book
4152 Boolean weird = FALSE, reqFlag = FALSE;
4154 fromX = fromY = toX = toY = -1;
4158 if (appData.debugMode)
4159 fprintf(debugFP, _("Parsing board: %s\n"), string);
4161 move_str[0] = NULLCHAR;
4162 elapsed_time[0] = NULLCHAR;
4163 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4165 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4166 if(string[i] == ' ') { ranks++; files = 0; }
4168 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4171 for(j = 0; j <i; j++) board_chars[j] = string[j];
4172 board_chars[i] = '\0';
4175 n = sscanf(string, PATTERN, &to_play, &double_push,
4176 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4177 &gamenum, white, black, &relation, &basetime, &increment,
4178 &white_stren, &black_stren, &white_time, &black_time,
4179 &moveNum, str, elapsed_time, move_str, &ics_flip,
4183 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4184 DisplayError(str, 0);
4188 /* Convert the move number to internal form */
4189 moveNum = (moveNum - 1) * 2;
4190 if (to_play == 'B') moveNum++;
4191 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4192 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4198 case RELATION_OBSERVING_PLAYED:
4199 case RELATION_OBSERVING_STATIC:
4200 if (gamenum == -1) {
4201 /* Old ICC buglet */
4202 relation = RELATION_OBSERVING_STATIC;
4204 newGameMode = IcsObserving;
4206 case RELATION_PLAYING_MYMOVE:
4207 case RELATION_PLAYING_NOTMYMOVE:
4209 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4210 IcsPlayingWhite : IcsPlayingBlack;
4212 case RELATION_EXAMINING:
4213 newGameMode = IcsExamining;
4215 case RELATION_ISOLATED_BOARD:
4217 /* Just display this board. If user was doing something else,
4218 we will forget about it until the next board comes. */
4219 newGameMode = IcsIdle;
4221 case RELATION_STARTING_POSITION:
4222 newGameMode = gameMode;
4226 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4227 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4228 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4230 for (k = 0; k < ranks; k++) {
4231 for (j = 0; j < files; j++)
4232 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4233 if(gameInfo.holdingsWidth > 1) {
4234 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4235 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4238 CopyBoard(partnerBoard, board);
4239 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4240 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4241 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4242 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4243 if(toSqr = strchr(str, '-')) {
4244 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4245 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4246 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4247 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4248 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4249 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4250 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4251 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4252 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4253 DisplayMessage(partnerStatus, "");
4254 partnerBoardValid = TRUE;
4258 /* Modify behavior for initial board display on move listing
4261 switch (ics_getting_history) {
4265 case H_GOT_REQ_HEADER:
4266 case H_GOT_UNREQ_HEADER:
4267 /* This is the initial position of the current game */
4268 gamenum = ics_gamenum;
4269 moveNum = 0; /* old ICS bug workaround */
4270 if (to_play == 'B') {
4271 startedFromSetupPosition = TRUE;
4272 blackPlaysFirst = TRUE;
4274 if (forwardMostMove == 0) forwardMostMove = 1;
4275 if (backwardMostMove == 0) backwardMostMove = 1;
4276 if (currentMove == 0) currentMove = 1;
4278 newGameMode = gameMode;
4279 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4281 case H_GOT_UNWANTED_HEADER:
4282 /* This is an initial board that we don't want */
4284 case H_GETTING_MOVES:
4285 /* Should not happen */
4286 DisplayError(_("Error gathering move list: extra board"), 0);
4287 ics_getting_history = H_FALSE;
4291 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4292 weird && (int)gameInfo.variant < (int)VariantShogi) {
4293 /* [HGM] We seem to have switched variant unexpectedly
4294 * Try to guess new variant from board size
4296 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4297 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4298 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4299 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4300 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4301 if(!weird) newVariant = VariantNormal;
4302 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4303 /* Get a move list just to see the header, which
4304 will tell us whether this is really bug or zh */
4305 if (ics_getting_history == H_FALSE) {
4306 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4307 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4312 /* Take action if this is the first board of a new game, or of a
4313 different game than is currently being displayed. */
4314 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4315 relation == RELATION_ISOLATED_BOARD) {
4317 /* Forget the old game and get the history (if any) of the new one */
4318 if (gameMode != BeginningOfGame) {
4322 if (appData.autoRaiseBoard) BoardToTop();
4324 if (gamenum == -1) {
4325 newGameMode = IcsIdle;
4326 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4327 appData.getMoveList && !reqFlag) {
4328 /* Need to get game history */
4329 ics_getting_history = H_REQUESTED;
4330 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4334 /* Initially flip the board to have black on the bottom if playing
4335 black or if the ICS flip flag is set, but let the user change
4336 it with the Flip View button. */
4337 flipView = appData.autoFlipView ?
4338 (newGameMode == IcsPlayingBlack) || ics_flip :
4341 /* Done with values from previous mode; copy in new ones */
4342 gameMode = newGameMode;
4344 ics_gamenum = gamenum;
4345 if (gamenum == gs_gamenum) {
4346 int klen = strlen(gs_kind);
4347 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4348 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4349 gameInfo.event = StrSave(str);
4351 gameInfo.event = StrSave("ICS game");
4353 gameInfo.site = StrSave(appData.icsHost);
4354 gameInfo.date = PGNDate();
4355 gameInfo.round = StrSave("-");
4356 gameInfo.white = StrSave(white);
4357 gameInfo.black = StrSave(black);
4358 timeControl = basetime * 60 * 1000;
4360 timeIncrement = increment * 1000;
4361 movesPerSession = 0;
4362 gameInfo.timeControl = TimeControlTagValue();
4363 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4364 if (appData.debugMode) {
4365 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4366 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4367 setbuf(debugFP, NULL);
4370 gameInfo.outOfBook = NULL;
4372 /* Do we have the ratings? */
4373 if (strcmp(player1Name, white) == 0 &&
4374 strcmp(player2Name, black) == 0) {
4375 if (appData.debugMode)
4376 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4377 player1Rating, player2Rating);
4378 gameInfo.whiteRating = player1Rating;
4379 gameInfo.blackRating = player2Rating;
4380 } else if (strcmp(player2Name, white) == 0 &&
4381 strcmp(player1Name, black) == 0) {
4382 if (appData.debugMode)
4383 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4384 player2Rating, player1Rating);
4385 gameInfo.whiteRating = player2Rating;
4386 gameInfo.blackRating = player1Rating;
4388 player1Name[0] = player2Name[0] = NULLCHAR;
4390 /* Silence shouts if requested */
4391 if (appData.quietPlay &&
4392 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4393 SendToICS(ics_prefix);
4394 SendToICS("set shout 0\n");
4398 /* Deal with midgame name changes */
4400 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4401 if (gameInfo.white) free(gameInfo.white);
4402 gameInfo.white = StrSave(white);
4404 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4405 if (gameInfo.black) free(gameInfo.black);
4406 gameInfo.black = StrSave(black);
4410 /* Throw away game result if anything actually changes in examine mode */
4411 if (gameMode == IcsExamining && !newGame) {
4412 gameInfo.result = GameUnfinished;
4413 if (gameInfo.resultDetails != NULL) {
4414 free(gameInfo.resultDetails);
4415 gameInfo.resultDetails = NULL;
4419 /* In pausing && IcsExamining mode, we ignore boards coming
4420 in if they are in a different variation than we are. */
4421 if (pauseExamInvalid) return;
4422 if (pausing && gameMode == IcsExamining) {
4423 if (moveNum <= pauseExamForwardMostMove) {
4424 pauseExamInvalid = TRUE;
4425 forwardMostMove = pauseExamForwardMostMove;
4430 if (appData.debugMode) {
4431 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4433 /* Parse the board */
4434 for (k = 0; k < ranks; k++) {
4435 for (j = 0; j < files; j++)
4436 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4437 if(gameInfo.holdingsWidth > 1) {
4438 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4439 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4442 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4443 board[5][BOARD_RGHT+1] = WhiteAngel;
4444 board[6][BOARD_RGHT+1] = WhiteMarshall;
4445 board[1][0] = BlackMarshall;
4446 board[2][0] = BlackAngel;
4447 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4449 CopyBoard(boards[moveNum], board);
4450 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4452 startedFromSetupPosition =
4453 !CompareBoards(board, initialPosition);
4454 if(startedFromSetupPosition)
4455 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4458 /* [HGM] Set castling rights. Take the outermost Rooks,
4459 to make it also work for FRC opening positions. Note that board12
4460 is really defective for later FRC positions, as it has no way to
4461 indicate which Rook can castle if they are on the same side of King.
4462 For the initial position we grant rights to the outermost Rooks,
4463 and remember thos rights, and we then copy them on positions
4464 later in an FRC game. This means WB might not recognize castlings with
4465 Rooks that have moved back to their original position as illegal,
4466 but in ICS mode that is not its job anyway.
4468 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4469 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4471 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4472 if(board[0][i] == WhiteRook) j = i;
4473 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4474 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4475 if(board[0][i] == WhiteRook) j = i;
4476 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4477 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4478 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4479 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4480 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4481 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4482 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4484 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4485 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4486 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4487 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4488 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4489 if(board[BOARD_HEIGHT-1][k] == bKing)
4490 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4491 if(gameInfo.variant == VariantTwoKings) {
4492 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4493 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4494 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4497 r = boards[moveNum][CASTLING][0] = initialRights[0];
4498 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4499 r = boards[moveNum][CASTLING][1] = initialRights[1];
4500 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4501 r = boards[moveNum][CASTLING][3] = initialRights[3];
4502 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4503 r = boards[moveNum][CASTLING][4] = initialRights[4];
4504 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4505 /* wildcastle kludge: always assume King has rights */
4506 r = boards[moveNum][CASTLING][2] = initialRights[2];
4507 r = boards[moveNum][CASTLING][5] = initialRights[5];
4509 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4510 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4513 if (ics_getting_history == H_GOT_REQ_HEADER ||
4514 ics_getting_history == H_GOT_UNREQ_HEADER) {
4515 /* This was an initial position from a move list, not
4516 the current position */
4520 /* Update currentMove and known move number limits */
4521 newMove = newGame || moveNum > forwardMostMove;
4524 forwardMostMove = backwardMostMove = currentMove = moveNum;
4525 if (gameMode == IcsExamining && moveNum == 0) {
4526 /* Workaround for ICS limitation: we are not told the wild
4527 type when starting to examine a game. But if we ask for
4528 the move list, the move list header will tell us */
4529 ics_getting_history = H_REQUESTED;
4530 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4533 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4534 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4536 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4537 /* [HGM] applied this also to an engine that is silently watching */
4538 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4539 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4540 gameInfo.variant == currentlyInitializedVariant) {
4541 takeback = forwardMostMove - moveNum;
4542 for (i = 0; i < takeback; i++) {
4543 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4544 SendToProgram("undo\n", &first);
4549 forwardMostMove = moveNum;
4550 if (!pausing || currentMove > forwardMostMove)
4551 currentMove = forwardMostMove;
4553 /* New part of history that is not contiguous with old part */
4554 if (pausing && gameMode == IcsExamining) {
4555 pauseExamInvalid = TRUE;
4556 forwardMostMove = pauseExamForwardMostMove;
4559 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4561 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4562 // [HGM] when we will receive the move list we now request, it will be
4563 // fed to the engine from the first move on. So if the engine is not
4564 // in the initial position now, bring it there.
4565 InitChessProgram(&first, 0);
4568 ics_getting_history = H_REQUESTED;
4569 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4572 forwardMostMove = backwardMostMove = currentMove = moveNum;
4575 /* Update the clocks */
4576 if (strchr(elapsed_time, '.')) {
4578 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4579 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4581 /* Time is in seconds */
4582 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4583 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4588 if (appData.zippyPlay && newGame &&
4589 gameMode != IcsObserving && gameMode != IcsIdle &&
4590 gameMode != IcsExamining)
4591 ZippyFirstBoard(moveNum, basetime, increment);
4594 /* Put the move on the move list, first converting
4595 to canonical algebraic form. */
4597 if (appData.debugMode) {
4598 if (appData.debugMode) { int f = forwardMostMove;
4599 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4600 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4601 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4603 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4604 fprintf(debugFP, "moveNum = %d\n", moveNum);
4605 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4606 setbuf(debugFP, NULL);
4608 if (moveNum <= backwardMostMove) {
4609 /* We don't know what the board looked like before
4611 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4612 strcat(parseList[moveNum - 1], " ");
4613 strcat(parseList[moveNum - 1], elapsed_time);
4614 moveList[moveNum - 1][0] = NULLCHAR;
4615 } else if (strcmp(move_str, "none") == 0) {
4616 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4617 /* Again, we don't know what the board looked like;
4618 this is really the start of the game. */
4619 parseList[moveNum - 1][0] = NULLCHAR;
4620 moveList[moveNum - 1][0] = NULLCHAR;
4621 backwardMostMove = moveNum;
4622 startedFromSetupPosition = TRUE;
4623 fromX = fromY = toX = toY = -1;
4625 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4626 // So we parse the long-algebraic move string in stead of the SAN move
4627 int valid; char buf[MSG_SIZ], *prom;
4629 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4630 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4631 // str looks something like "Q/a1-a2"; kill the slash
4633 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4634 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4635 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4636 strcat(buf, prom); // long move lacks promo specification!
4637 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4638 if(appData.debugMode)
4639 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4640 safeStrCpy(move_str, buf, MSG_SIZ);
4642 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4643 &fromX, &fromY, &toX, &toY, &promoChar)
4644 || ParseOneMove(buf, moveNum - 1, &moveType,
4645 &fromX, &fromY, &toX, &toY, &promoChar);
4646 // end of long SAN patch
4648 (void) CoordsToAlgebraic(boards[moveNum - 1],
4649 PosFlags(moveNum - 1),
4650 fromY, fromX, toY, toX, promoChar,
4651 parseList[moveNum-1]);
4652 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4658 if(gameInfo.variant != VariantShogi)
4659 strcat(parseList[moveNum - 1], "+");
4662 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4663 strcat(parseList[moveNum - 1], "#");
4666 strcat(parseList[moveNum - 1], " ");
4667 strcat(parseList[moveNum - 1], elapsed_time);
4668 /* currentMoveString is set as a side-effect of ParseOneMove */
4669 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4670 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4671 strcat(moveList[moveNum - 1], "\n");
4673 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4674 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4675 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4676 ChessSquare old, new = boards[moveNum][k][j];
4677 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4678 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4679 if(old == new) continue;
4680 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4681 else if(new == WhiteWazir || new == BlackWazir) {
4682 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4683 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4684 else boards[moveNum][k][j] = old; // preserve type of Gold
4685 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4686 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4689 /* Move from ICS was illegal!? Punt. */
4690 if (appData.debugMode) {
4691 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4692 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4694 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4695 strcat(parseList[moveNum - 1], " ");
4696 strcat(parseList[moveNum - 1], elapsed_time);
4697 moveList[moveNum - 1][0] = NULLCHAR;
4698 fromX = fromY = toX = toY = -1;
4701 if (appData.debugMode) {
4702 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4703 setbuf(debugFP, NULL);
4707 /* Send move to chess program (BEFORE animating it). */
4708 if (appData.zippyPlay && !newGame && newMove &&
4709 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4711 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4712 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4713 if (moveList[moveNum - 1][0] == NULLCHAR) {
4714 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4716 DisplayError(str, 0);
4718 if (first.sendTime) {
4719 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4721 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4722 if (firstMove && !bookHit) {
4724 if (first.useColors) {
4725 SendToProgram(gameMode == IcsPlayingWhite ?
4727 "black\ngo\n", &first);
4729 SendToProgram("go\n", &first);
4731 first.maybeThinking = TRUE;
4734 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4735 if (moveList[moveNum - 1][0] == NULLCHAR) {
4736 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4737 DisplayError(str, 0);
4739 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4740 SendMoveToProgram(moveNum - 1, &first);
4747 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4748 /* If move comes from a remote source, animate it. If it
4749 isn't remote, it will have already been animated. */
4750 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4751 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4753 if (!pausing && appData.highlightLastMove) {
4754 SetHighlights(fromX, fromY, toX, toY);
4758 /* Start the clocks */
4759 whiteFlag = blackFlag = FALSE;
4760 appData.clockMode = !(basetime == 0 && increment == 0);
4762 ics_clock_paused = TRUE;
4764 } else if (ticking == 1) {
4765 ics_clock_paused = FALSE;
4767 if (gameMode == IcsIdle ||
4768 relation == RELATION_OBSERVING_STATIC ||
4769 relation == RELATION_EXAMINING ||
4771 DisplayBothClocks();
4775 /* Display opponents and material strengths */
4776 if (gameInfo.variant != VariantBughouse &&
4777 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4778 if (tinyLayout || smallLayout) {
4779 if(gameInfo.variant == VariantNormal)
4780 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4781 gameInfo.white, white_stren, gameInfo.black, black_stren,
4782 basetime, increment);
4784 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4785 gameInfo.white, white_stren, gameInfo.black, black_stren,
4786 basetime, increment, (int) gameInfo.variant);
4788 if(gameInfo.variant == VariantNormal)
4789 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4790 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4791 basetime, increment);
4793 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4794 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4795 basetime, increment, VariantName(gameInfo.variant));
4798 if (appData.debugMode) {
4799 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4804 /* Display the board */
4805 if (!pausing && !appData.noGUI) {
4807 if (appData.premove)
4809 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4810 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4811 ClearPremoveHighlights();
4813 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4814 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4815 DrawPosition(j, boards[currentMove]);
4817 DisplayMove(moveNum - 1);
4818 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4819 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4820 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4821 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4825 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4827 if(bookHit) { // [HGM] book: simulate book reply
4828 static char bookMove[MSG_SIZ]; // a bit generous?
4830 programStats.nodes = programStats.depth = programStats.time =
4831 programStats.score = programStats.got_only_move = 0;
4832 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4834 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4835 strcat(bookMove, bookHit);
4836 HandleMachineMove(bookMove, &first);
4845 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4846 ics_getting_history = H_REQUESTED;
4847 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4853 AnalysisPeriodicEvent (int force)
4855 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4856 && !force) || !appData.periodicUpdates)
4859 /* Send . command to Crafty to collect stats */
4860 SendToProgram(".\n", &first);
4862 /* Don't send another until we get a response (this makes
4863 us stop sending to old Crafty's which don't understand
4864 the "." command (sending illegal cmds resets node count & time,
4865 which looks bad)) */
4866 programStats.ok_to_send = 0;
4870 ics_update_width (int new_width)
4872 ics_printf("set width %d\n", new_width);
4876 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4880 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4881 // null move in variant where engine does not understand it (for analysis purposes)
4882 SendBoard(cps, moveNum + 1); // send position after move in stead.
4885 if (cps->useUsermove) {
4886 SendToProgram("usermove ", cps);
4890 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4891 int len = space - parseList[moveNum];
4892 memcpy(buf, parseList[moveNum], len);
4894 buf[len] = NULLCHAR;
4896 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4898 SendToProgram(buf, cps);
4900 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4901 AlphaRank(moveList[moveNum], 4);
4902 SendToProgram(moveList[moveNum], cps);
4903 AlphaRank(moveList[moveNum], 4); // and back
4905 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4906 * the engine. It would be nice to have a better way to identify castle
4908 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4909 && cps->useOOCastle) {
4910 int fromX = moveList[moveNum][0] - AAA;
4911 int fromY = moveList[moveNum][1] - ONE;
4912 int toX = moveList[moveNum][2] - AAA;
4913 int toY = moveList[moveNum][3] - ONE;
4914 if((boards[moveNum][fromY][fromX] == WhiteKing
4915 && boards[moveNum][toY][toX] == WhiteRook)
4916 || (boards[moveNum][fromY][fromX] == BlackKing
4917 && boards[moveNum][toY][toX] == BlackRook)) {
4918 if(toX > fromX) SendToProgram("O-O\n", cps);
4919 else SendToProgram("O-O-O\n", cps);
4921 else SendToProgram(moveList[moveNum], cps);
4923 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4924 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4925 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4926 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4927 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4929 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4930 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4931 SendToProgram(buf, cps);
4933 else SendToProgram(moveList[moveNum], cps);
4934 /* End of additions by Tord */
4937 /* [HGM] setting up the opening has brought engine in force mode! */
4938 /* Send 'go' if we are in a mode where machine should play. */
4939 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4940 (gameMode == TwoMachinesPlay ||
4942 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4944 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4945 SendToProgram("go\n", cps);
4946 if (appData.debugMode) {
4947 fprintf(debugFP, "(extra)\n");
4950 setboardSpoiledMachineBlack = 0;
4954 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
4956 char user_move[MSG_SIZ];
4959 if(gameInfo.variant == VariantSChess && promoChar) {
4960 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4961 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4962 } else suffix[0] = NULLCHAR;
4966 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4967 (int)moveType, fromX, fromY, toX, toY);
4968 DisplayError(user_move + strlen("say "), 0);
4970 case WhiteKingSideCastle:
4971 case BlackKingSideCastle:
4972 case WhiteQueenSideCastleWild:
4973 case BlackQueenSideCastleWild:
4975 case WhiteHSideCastleFR:
4976 case BlackHSideCastleFR:
4978 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4980 case WhiteQueenSideCastle:
4981 case BlackQueenSideCastle:
4982 case WhiteKingSideCastleWild:
4983 case BlackKingSideCastleWild:
4985 case WhiteASideCastleFR:
4986 case BlackASideCastleFR:
4988 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
4990 case WhiteNonPromotion:
4991 case BlackNonPromotion:
4992 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4994 case WhitePromotion:
4995 case BlackPromotion:
4996 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4997 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4998 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4999 PieceToChar(WhiteFerz));
5000 else if(gameInfo.variant == VariantGreat)
5001 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5002 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5003 PieceToChar(WhiteMan));
5005 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5006 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5012 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5013 ToUpper(PieceToChar((ChessSquare) fromX)),
5014 AAA + toX, ONE + toY);
5016 case IllegalMove: /* could be a variant we don't quite understand */
5017 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5019 case WhiteCapturesEnPassant:
5020 case BlackCapturesEnPassant:
5021 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5022 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5025 SendToICS(user_move);
5026 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5027 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5032 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5033 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5034 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5035 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5036 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5039 if(gameMode != IcsExamining) { // is this ever not the case?
5040 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5042 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5043 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5044 } else { // on FICS we must first go to general examine mode
5045 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5047 if(gameInfo.variant != VariantNormal) {
5048 // try figure out wild number, as xboard names are not always valid on ICS
5049 for(i=1; i<=36; i++) {
5050 snprintf(buf, MSG_SIZ, "wild/%d", i);
5051 if(StringToVariant(buf) == gameInfo.variant) break;
5053 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5054 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5055 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5056 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5057 SendToICS(ics_prefix);
5059 if(startedFromSetupPosition || backwardMostMove != 0) {
5060 fen = PositionToFEN(backwardMostMove, NULL);
5061 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5062 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5064 } else { // FICS: everything has to set by separate bsetup commands
5065 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5066 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5068 if(!WhiteOnMove(backwardMostMove)) {
5069 SendToICS("bsetup tomove black\n");
5071 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5072 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5074 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5075 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5077 i = boards[backwardMostMove][EP_STATUS];
5078 if(i >= 0) { // set e.p.
5079 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5085 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5086 SendToICS("bsetup done\n"); // switch to normal examining.
5088 for(i = backwardMostMove; i<last; i++) {
5090 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5093 SendToICS(ics_prefix);
5094 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5098 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5100 if (rf == DROP_RANK) {
5101 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5102 sprintf(move, "%c@%c%c\n",
5103 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5105 if (promoChar == 'x' || promoChar == NULLCHAR) {
5106 sprintf(move, "%c%c%c%c\n",
5107 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5109 sprintf(move, "%c%c%c%c%c\n",
5110 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5116 ProcessICSInitScript (FILE *f)
5120 while (fgets(buf, MSG_SIZ, f)) {
5121 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5128 static int lastX, lastY, selectFlag, dragging;
5133 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5134 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5135 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5136 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5137 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5138 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5141 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5142 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5143 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5144 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5145 if(!step) step = -1;
5146 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5147 appData.testLegality && (promoSweep == king ||
5148 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5149 ChangeDragPiece(promoSweep);
5153 PromoScroll (int x, int y)
5157 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5158 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5159 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5160 if(!step) return FALSE;
5161 lastX = x; lastY = y;
5162 if((promoSweep < BlackPawn) == flipView) step = -step;
5163 if(step > 0) selectFlag = 1;
5164 if(!selectFlag) Sweep(step);
5169 NextPiece (int step)
5171 ChessSquare piece = boards[currentMove][toY][toX];
5174 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5175 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5176 if(!step) step = -1;
5177 } while(PieceToChar(pieceSweep) == '.');
5178 boards[currentMove][toY][toX] = pieceSweep;
5179 DrawPosition(FALSE, boards[currentMove]);
5180 boards[currentMove][toY][toX] = piece;
5182 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5184 AlphaRank (char *move, int n)
5186 // char *p = move, c; int x, y;
5188 if (appData.debugMode) {
5189 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5193 move[2]>='0' && move[2]<='9' &&
5194 move[3]>='a' && move[3]<='x' ) {
5196 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5197 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5199 if(move[0]>='0' && move[0]<='9' &&
5200 move[1]>='a' && move[1]<='x' &&
5201 move[2]>='0' && move[2]<='9' &&
5202 move[3]>='a' && move[3]<='x' ) {
5203 /* input move, Shogi -> normal */
5204 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5205 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5206 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5207 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5210 move[3]>='0' && move[3]<='9' &&
5211 move[2]>='a' && move[2]<='x' ) {
5213 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5214 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5217 move[0]>='a' && move[0]<='x' &&
5218 move[3]>='0' && move[3]<='9' &&
5219 move[2]>='a' && move[2]<='x' ) {
5220 /* output move, normal -> Shogi */
5221 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5222 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5223 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5224 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5225 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5227 if (appData.debugMode) {
5228 fprintf(debugFP, " out = '%s'\n", move);
5232 char yy_textstr[8000];
5234 /* Parser for moves from gnuchess, ICS, or user typein box */
5236 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5238 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5240 switch (*moveType) {
5241 case WhitePromotion:
5242 case BlackPromotion:
5243 case WhiteNonPromotion:
5244 case BlackNonPromotion:
5246 case WhiteCapturesEnPassant:
5247 case BlackCapturesEnPassant:
5248 case WhiteKingSideCastle:
5249 case WhiteQueenSideCastle:
5250 case BlackKingSideCastle:
5251 case BlackQueenSideCastle:
5252 case WhiteKingSideCastleWild:
5253 case WhiteQueenSideCastleWild:
5254 case BlackKingSideCastleWild:
5255 case BlackQueenSideCastleWild:
5256 /* Code added by Tord: */
5257 case WhiteHSideCastleFR:
5258 case WhiteASideCastleFR:
5259 case BlackHSideCastleFR:
5260 case BlackASideCastleFR:
5261 /* End of code added by Tord */
5262 case IllegalMove: /* bug or odd chess variant */
5263 *fromX = currentMoveString[0] - AAA;
5264 *fromY = currentMoveString[1] - ONE;
5265 *toX = currentMoveString[2] - AAA;
5266 *toY = currentMoveString[3] - ONE;
5267 *promoChar = currentMoveString[4];
5268 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5269 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5270 if (appData.debugMode) {
5271 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5273 *fromX = *fromY = *toX = *toY = 0;
5276 if (appData.testLegality) {
5277 return (*moveType != IllegalMove);
5279 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5280 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5285 *fromX = *moveType == WhiteDrop ?
5286 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5287 (int) CharToPiece(ToLower(currentMoveString[0]));
5289 *toX = currentMoveString[2] - AAA;
5290 *toY = currentMoveString[3] - ONE;
5291 *promoChar = NULLCHAR;
5295 case ImpossibleMove:
5305 if (appData.debugMode) {
5306 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5309 *fromX = *fromY = *toX = *toY = 0;
5310 *promoChar = NULLCHAR;
5315 Boolean pushed = FALSE;
5316 char *lastParseAttempt;
5319 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5320 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5321 int fromX, fromY, toX, toY; char promoChar;
5326 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5327 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5330 endPV = forwardMostMove;
5332 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5333 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5334 lastParseAttempt = pv;
5335 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5336 if(!valid && nr == 0 &&
5337 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5338 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5339 // Hande case where played move is different from leading PV move
5340 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5341 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5342 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5343 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5344 endPV += 2; // if position different, keep this
5345 moveList[endPV-1][0] = fromX + AAA;
5346 moveList[endPV-1][1] = fromY + ONE;
5347 moveList[endPV-1][2] = toX + AAA;
5348 moveList[endPV-1][3] = toY + ONE;
5349 parseList[endPV-1][0] = NULLCHAR;
5350 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5353 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5354 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5355 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5356 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5357 valid++; // allow comments in PV
5361 if(endPV+1 > framePtr) break; // no space, truncate
5364 CopyBoard(boards[endPV], boards[endPV-1]);
5365 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5366 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5367 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5368 CoordsToAlgebraic(boards[endPV - 1],
5369 PosFlags(endPV - 1),
5370 fromY, fromX, toY, toX, promoChar,
5371 parseList[endPV - 1]);
5373 if(atEnd == 2) return; // used hidden, for PV conversion
5374 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5375 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5376 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5377 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5378 DrawPosition(TRUE, boards[currentMove]);
5382 MultiPV (ChessProgramState *cps)
5383 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5385 for(i=0; i<cps->nrOptions; i++)
5386 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5392 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5394 int startPV, multi, lineStart, origIndex = index;
5395 char *p, buf2[MSG_SIZ];
5397 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5398 lastX = x; lastY = y;
5399 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5400 lineStart = startPV = index;
5401 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5402 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5404 do{ while(buf[index] && buf[index] != '\n') index++;
5405 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5407 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5408 int n = first.option[multi].value;
5409 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5410 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5411 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5412 first.option[multi].value = n;
5416 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5417 *start = startPV; *end = index-1;
5424 static char buf[10*MSG_SIZ];
5425 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5427 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5428 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5429 for(i = forwardMostMove; i<endPV; i++){
5430 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5431 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5434 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5435 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5441 LoadPV (int x, int y)
5442 { // called on right mouse click to load PV
5443 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5444 lastX = x; lastY = y;
5445 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5452 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5453 if(endPV < 0) return;
5455 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5456 Boolean saveAnimate = appData.animate;
5458 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5459 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5460 } else storedGames--; // abandon shelved tail of original game
5463 forwardMostMove = currentMove;
5464 currentMove = oldFMM;
5465 appData.animate = FALSE;
5466 ToNrEvent(forwardMostMove);
5467 appData.animate = saveAnimate;
5469 currentMove = forwardMostMove;
5470 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5471 ClearPremoveHighlights();
5472 DrawPosition(TRUE, boards[currentMove]);
5476 MovePV (int x, int y, int h)
5477 { // step through PV based on mouse coordinates (called on mouse move)
5478 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5480 // we must somehow check if right button is still down (might be released off board!)
5481 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5482 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5483 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5485 lastX = x; lastY = y;
5487 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5488 if(endPV < 0) return;
5489 if(y < margin) step = 1; else
5490 if(y > h - margin) step = -1;
5491 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5492 currentMove += step;
5493 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5494 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5495 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5496 DrawPosition(FALSE, boards[currentMove]);
5500 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5501 // All positions will have equal probability, but the current method will not provide a unique
5502 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5508 int piecesLeft[(int)BlackPawn];
5509 int seed, nrOfShuffles;
5512 GetPositionNumber ()
5513 { // sets global variable seed
5516 seed = appData.defaultFrcPosition;
5517 if(seed < 0) { // randomize based on time for negative FRC position numbers
5518 for(i=0; i<50; i++) seed += random();
5519 seed = random() ^ random() >> 8 ^ random() << 8;
5520 if(seed<0) seed = -seed;
5525 put (Board board, int pieceType, int rank, int n, int shade)
5526 // put the piece on the (n-1)-th empty squares of the given shade
5530 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5531 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5532 board[rank][i] = (ChessSquare) pieceType;
5533 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5535 piecesLeft[pieceType]--;
5544 AddOnePiece (Board board, int pieceType, int rank, int shade)
5545 // calculate where the next piece goes, (any empty square), and put it there
5549 i = seed % squaresLeft[shade];
5550 nrOfShuffles *= squaresLeft[shade];
5551 seed /= squaresLeft[shade];
5552 put(board, pieceType, rank, i, shade);
5556 AddTwoPieces (Board board, int pieceType, int rank)
5557 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5559 int i, n=squaresLeft[ANY], j=n-1, k;
5561 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5562 i = seed % k; // pick one
5565 while(i >= j) i -= j--;
5566 j = n - 1 - j; i += j;
5567 put(board, pieceType, rank, j, ANY);
5568 put(board, pieceType, rank, i, ANY);
5572 SetUpShuffle (Board board, int number)
5576 GetPositionNumber(); nrOfShuffles = 1;
5578 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5579 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5580 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5582 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5584 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5585 p = (int) board[0][i];
5586 if(p < (int) BlackPawn) piecesLeft[p] ++;
5587 board[0][i] = EmptySquare;
5590 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5591 // shuffles restricted to allow normal castling put KRR first
5592 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5593 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5594 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5595 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5596 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5597 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5598 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5599 put(board, WhiteRook, 0, 0, ANY);
5600 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5603 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5604 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5605 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5606 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5607 while(piecesLeft[p] >= 2) {
5608 AddOnePiece(board, p, 0, LITE);
5609 AddOnePiece(board, p, 0, DARK);
5611 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5614 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5615 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5616 // but we leave King and Rooks for last, to possibly obey FRC restriction
5617 if(p == (int)WhiteRook) continue;
5618 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5619 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5622 // now everything is placed, except perhaps King (Unicorn) and Rooks
5624 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5625 // Last King gets castling rights
5626 while(piecesLeft[(int)WhiteUnicorn]) {
5627 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5628 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5631 while(piecesLeft[(int)WhiteKing]) {
5632 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5633 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5638 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5639 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5642 // Only Rooks can be left; simply place them all
5643 while(piecesLeft[(int)WhiteRook]) {
5644 i = put(board, WhiteRook, 0, 0, ANY);
5645 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5648 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5650 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5653 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5654 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5657 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5661 SetCharTable (char *table, const char * map)
5662 /* [HGM] moved here from winboard.c because of its general usefulness */
5663 /* Basically a safe strcpy that uses the last character as King */
5665 int result = FALSE; int NrPieces;
5667 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5668 && NrPieces >= 12 && !(NrPieces&1)) {
5669 int i; /* [HGM] Accept even length from 12 to 34 */
5671 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5672 for( i=0; i<NrPieces/2-1; i++ ) {
5674 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5676 table[(int) WhiteKing] = map[NrPieces/2-1];
5677 table[(int) BlackKing] = map[NrPieces-1];
5686 Prelude (Board board)
5687 { // [HGM] superchess: random selection of exo-pieces
5688 int i, j, k; ChessSquare p;
5689 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5691 GetPositionNumber(); // use FRC position number
5693 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5694 SetCharTable(pieceToChar, appData.pieceToCharTable);
5695 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5696 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5699 j = seed%4; seed /= 4;
5700 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5701 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5702 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5703 j = seed%3 + (seed%3 >= j); seed /= 3;
5704 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5705 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5706 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5707 j = seed%3; seed /= 3;
5708 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5709 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5710 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5711 j = seed%2 + (seed%2 >= j); seed /= 2;
5712 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5713 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5714 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5715 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5716 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5717 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5718 put(board, exoPieces[0], 0, 0, ANY);
5719 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5723 InitPosition (int redraw)
5725 ChessSquare (* pieces)[BOARD_FILES];
5726 int i, j, pawnRow, overrule,
5727 oldx = gameInfo.boardWidth,
5728 oldy = gameInfo.boardHeight,
5729 oldh = gameInfo.holdingsWidth;
5732 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5734 /* [AS] Initialize pv info list [HGM] and game status */
5736 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5737 pvInfoList[i].depth = 0;
5738 boards[i][EP_STATUS] = EP_NONE;
5739 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5742 initialRulePlies = 0; /* 50-move counter start */
5744 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5745 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5749 /* [HGM] logic here is completely changed. In stead of full positions */
5750 /* the initialized data only consist of the two backranks. The switch */
5751 /* selects which one we will use, which is than copied to the Board */
5752 /* initialPosition, which for the rest is initialized by Pawns and */
5753 /* empty squares. This initial position is then copied to boards[0], */
5754 /* possibly after shuffling, so that it remains available. */
5756 gameInfo.holdingsWidth = 0; /* default board sizes */
5757 gameInfo.boardWidth = 8;
5758 gameInfo.boardHeight = 8;
5759 gameInfo.holdingsSize = 0;
5760 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5761 for(i=0; i<BOARD_FILES-2; i++)
5762 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5763 initialPosition[EP_STATUS] = EP_NONE;
5764 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5765 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5766 SetCharTable(pieceNickName, appData.pieceNickNames);
5767 else SetCharTable(pieceNickName, "............");
5770 switch (gameInfo.variant) {
5771 case VariantFischeRandom:
5772 shuffleOpenings = TRUE;
5775 case VariantShatranj:
5776 pieces = ShatranjArray;
5777 nrCastlingRights = 0;
5778 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5781 pieces = makrukArray;
5782 nrCastlingRights = 0;
5783 startedFromSetupPosition = TRUE;
5784 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5786 case VariantTwoKings:
5787 pieces = twoKingsArray;
5790 pieces = GrandArray;
5791 nrCastlingRights = 0;
5792 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5793 gameInfo.boardWidth = 10;
5794 gameInfo.boardHeight = 10;
5795 gameInfo.holdingsSize = 7;
5797 case VariantCapaRandom:
5798 shuffleOpenings = TRUE;
5799 case VariantCapablanca:
5800 pieces = CapablancaArray;
5801 gameInfo.boardWidth = 10;
5802 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5805 pieces = GothicArray;
5806 gameInfo.boardWidth = 10;
5807 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5810 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5811 gameInfo.holdingsSize = 7;
5814 pieces = JanusArray;
5815 gameInfo.boardWidth = 10;
5816 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5817 nrCastlingRights = 6;
5818 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5819 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5820 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5821 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5822 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5823 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5826 pieces = FalconArray;
5827 gameInfo.boardWidth = 10;
5828 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5830 case VariantXiangqi:
5831 pieces = XiangqiArray;
5832 gameInfo.boardWidth = 9;
5833 gameInfo.boardHeight = 10;
5834 nrCastlingRights = 0;
5835 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5838 pieces = ShogiArray;
5839 gameInfo.boardWidth = 9;
5840 gameInfo.boardHeight = 9;
5841 gameInfo.holdingsSize = 7;
5842 nrCastlingRights = 0;
5843 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5845 case VariantCourier:
5846 pieces = CourierArray;
5847 gameInfo.boardWidth = 12;
5848 nrCastlingRights = 0;
5849 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5851 case VariantKnightmate:
5852 pieces = KnightmateArray;
5853 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5855 case VariantSpartan:
5856 pieces = SpartanArray;
5857 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5860 pieces = fairyArray;
5861 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5864 pieces = GreatArray;
5865 gameInfo.boardWidth = 10;
5866 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5867 gameInfo.holdingsSize = 8;
5871 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5872 gameInfo.holdingsSize = 8;
5873 startedFromSetupPosition = TRUE;
5875 case VariantCrazyhouse:
5876 case VariantBughouse:
5878 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5879 gameInfo.holdingsSize = 5;
5881 case VariantWildCastle:
5883 /* !!?shuffle with kings guaranteed to be on d or e file */
5884 shuffleOpenings = 1;
5886 case VariantNoCastle:
5888 nrCastlingRights = 0;
5889 /* !!?unconstrained back-rank shuffle */
5890 shuffleOpenings = 1;
5895 if(appData.NrFiles >= 0) {
5896 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5897 gameInfo.boardWidth = appData.NrFiles;
5899 if(appData.NrRanks >= 0) {
5900 gameInfo.boardHeight = appData.NrRanks;
5902 if(appData.holdingsSize >= 0) {
5903 i = appData.holdingsSize;
5904 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5905 gameInfo.holdingsSize = i;
5907 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5908 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5909 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5911 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5912 if(pawnRow < 1) pawnRow = 1;
5913 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5915 /* User pieceToChar list overrules defaults */
5916 if(appData.pieceToCharTable != NULL)
5917 SetCharTable(pieceToChar, appData.pieceToCharTable);
5919 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5921 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5922 s = (ChessSquare) 0; /* account holding counts in guard band */
5923 for( i=0; i<BOARD_HEIGHT; i++ )
5924 initialPosition[i][j] = s;
5926 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5927 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5928 initialPosition[pawnRow][j] = WhitePawn;
5929 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5930 if(gameInfo.variant == VariantXiangqi) {
5932 initialPosition[pawnRow][j] =
5933 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5934 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5935 initialPosition[2][j] = WhiteCannon;
5936 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5940 if(gameInfo.variant == VariantGrand) {
5941 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5942 initialPosition[0][j] = WhiteRook;
5943 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5946 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5948 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5951 initialPosition[1][j] = WhiteBishop;
5952 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5954 initialPosition[1][j] = WhiteRook;
5955 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5958 if( nrCastlingRights == -1) {
5959 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5960 /* This sets default castling rights from none to normal corners */
5961 /* Variants with other castling rights must set them themselves above */
5962 nrCastlingRights = 6;
5964 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5965 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5966 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5967 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5968 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5969 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5972 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5973 if(gameInfo.variant == VariantGreat) { // promotion commoners
5974 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5975 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5976 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5977 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5979 if( gameInfo.variant == VariantSChess ) {
5980 initialPosition[1][0] = BlackMarshall;
5981 initialPosition[2][0] = BlackAngel;
5982 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5983 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5984 initialPosition[1][1] = initialPosition[2][1] =
5985 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5987 if (appData.debugMode) {
5988 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5990 if(shuffleOpenings) {
5991 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5992 startedFromSetupPosition = TRUE;
5994 if(startedFromPositionFile) {
5995 /* [HGM] loadPos: use PositionFile for every new game */
5996 CopyBoard(initialPosition, filePosition);
5997 for(i=0; i<nrCastlingRights; i++)
5998 initialRights[i] = filePosition[CASTLING][i];
5999 startedFromSetupPosition = TRUE;
6002 CopyBoard(boards[0], initialPosition);
6004 if(oldx != gameInfo.boardWidth ||
6005 oldy != gameInfo.boardHeight ||
6006 oldv != gameInfo.variant ||
6007 oldh != gameInfo.holdingsWidth
6009 InitDrawingSizes(-2 ,0);
6011 oldv = gameInfo.variant;
6013 DrawPosition(TRUE, boards[currentMove]);
6017 SendBoard (ChessProgramState *cps, int moveNum)
6019 char message[MSG_SIZ];
6021 if (cps->useSetboard) {
6022 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6023 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6024 SendToProgram(message, cps);
6029 int i, j, left=0, right=BOARD_WIDTH;
6030 /* Kludge to set black to move, avoiding the troublesome and now
6031 * deprecated "black" command.
6033 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6034 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6036 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6038 SendToProgram("edit\n", cps);
6039 SendToProgram("#\n", cps);
6040 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6041 bp = &boards[moveNum][i][left];
6042 for (j = left; j < right; j++, bp++) {
6043 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6044 if ((int) *bp < (int) BlackPawn) {
6045 if(j == BOARD_RGHT+1)
6046 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6047 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6048 if(message[0] == '+' || message[0] == '~') {
6049 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6050 PieceToChar((ChessSquare)(DEMOTED *bp)),
6053 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6054 message[1] = BOARD_RGHT - 1 - j + '1';
6055 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6057 SendToProgram(message, cps);
6062 SendToProgram("c\n", cps);
6063 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6064 bp = &boards[moveNum][i][left];
6065 for (j = left; j < right; j++, bp++) {
6066 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6067 if (((int) *bp != (int) EmptySquare)
6068 && ((int) *bp >= (int) BlackPawn)) {
6069 if(j == BOARD_LEFT-2)
6070 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6071 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6073 if(message[0] == '+' || message[0] == '~') {
6074 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6075 PieceToChar((ChessSquare)(DEMOTED *bp)),
6078 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6079 message[1] = BOARD_RGHT - 1 - j + '1';
6080 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6082 SendToProgram(message, cps);
6087 SendToProgram(".\n", cps);
6089 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6093 DefaultPromoChoice (int white)
6096 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6097 result = WhiteFerz; // no choice
6098 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6099 result= WhiteKing; // in Suicide Q is the last thing we want
6100 else if(gameInfo.variant == VariantSpartan)
6101 result = white ? WhiteQueen : WhiteAngel;
6102 else result = WhiteQueen;
6103 if(!white) result = WHITE_TO_BLACK result;
6107 static int autoQueen; // [HGM] oneclick
6110 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6112 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6113 /* [HGM] add Shogi promotions */
6114 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6119 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6120 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6122 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6123 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6126 piece = boards[currentMove][fromY][fromX];
6127 if(gameInfo.variant == VariantShogi) {
6128 promotionZoneSize = BOARD_HEIGHT/3;
6129 highestPromotingPiece = (int)WhiteFerz;
6130 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6131 promotionZoneSize = 3;
6134 // Treat Lance as Pawn when it is not representing Amazon
6135 if(gameInfo.variant != VariantSuper) {
6136 if(piece == WhiteLance) piece = WhitePawn; else
6137 if(piece == BlackLance) piece = BlackPawn;
6140 // next weed out all moves that do not touch the promotion zone at all
6141 if((int)piece >= BlackPawn) {
6142 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6144 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6146 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6147 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6150 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6152 // weed out mandatory Shogi promotions
6153 if(gameInfo.variant == VariantShogi) {
6154 if(piece >= BlackPawn) {
6155 if(toY == 0 && piece == BlackPawn ||
6156 toY == 0 && piece == BlackQueen ||
6157 toY <= 1 && piece == BlackKnight) {
6162 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6163 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6164 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6171 // weed out obviously illegal Pawn moves
6172 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6173 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6174 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6175 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6176 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6177 // note we are not allowed to test for valid (non-)capture, due to premove
6180 // we either have a choice what to promote to, or (in Shogi) whether to promote
6181 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6182 *promoChoice = PieceToChar(BlackFerz); // no choice
6185 // no sense asking what we must promote to if it is going to explode...
6186 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6187 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6190 // give caller the default choice even if we will not make it
6191 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6192 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6193 if( sweepSelect && gameInfo.variant != VariantGreat
6194 && gameInfo.variant != VariantGrand
6195 && gameInfo.variant != VariantSuper) return FALSE;
6196 if(autoQueen) return FALSE; // predetermined
6198 // suppress promotion popup on illegal moves that are not premoves
6199 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6200 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6201 if(appData.testLegality && !premove) {
6202 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6203 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6204 if(moveType != WhitePromotion && moveType != BlackPromotion)
6212 InPalace (int row, int column)
6213 { /* [HGM] for Xiangqi */
6214 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6215 column < (BOARD_WIDTH + 4)/2 &&
6216 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6221 PieceForSquare (int x, int y)
6223 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6226 return boards[currentMove][y][x];
6230 OKToStartUserMove (int x, int y)
6232 ChessSquare from_piece;
6235 if (matchMode) return FALSE;
6236 if (gameMode == EditPosition) return TRUE;
6238 if (x >= 0 && y >= 0)
6239 from_piece = boards[currentMove][y][x];
6241 from_piece = EmptySquare;
6243 if (from_piece == EmptySquare) return FALSE;
6245 white_piece = (int)from_piece >= (int)WhitePawn &&
6246 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6250 case TwoMachinesPlay:
6258 case MachinePlaysWhite:
6259 case IcsPlayingBlack:
6260 if (appData.zippyPlay) return FALSE;
6262 DisplayMoveError(_("You are playing Black"));
6267 case MachinePlaysBlack:
6268 case IcsPlayingWhite:
6269 if (appData.zippyPlay) return FALSE;
6271 DisplayMoveError(_("You are playing White"));
6276 case PlayFromGameFile:
6277 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6279 if (!white_piece && WhiteOnMove(currentMove)) {
6280 DisplayMoveError(_("It is White's turn"));
6283 if (white_piece && !WhiteOnMove(currentMove)) {
6284 DisplayMoveError(_("It is Black's turn"));
6287 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6288 /* Editing correspondence game history */
6289 /* Could disallow this or prompt for confirmation */
6294 case BeginningOfGame:
6295 if (appData.icsActive) return FALSE;
6296 if (!appData.noChessProgram) {
6298 DisplayMoveError(_("You are playing White"));
6305 if (!white_piece && WhiteOnMove(currentMove)) {
6306 DisplayMoveError(_("It is White's turn"));
6309 if (white_piece && !WhiteOnMove(currentMove)) {
6310 DisplayMoveError(_("It is Black's turn"));
6319 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6320 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6321 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6322 && gameMode != AnalyzeFile && gameMode != Training) {
6323 DisplayMoveError(_("Displayed position is not current"));
6330 OnlyMove (int *x, int *y, Boolean captures)
6332 DisambiguateClosure cl;
6333 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6335 case MachinePlaysBlack:
6336 case IcsPlayingWhite:
6337 case BeginningOfGame:
6338 if(!WhiteOnMove(currentMove)) return FALSE;
6340 case MachinePlaysWhite:
6341 case IcsPlayingBlack:
6342 if(WhiteOnMove(currentMove)) return FALSE;
6349 cl.pieceIn = EmptySquare;
6354 cl.promoCharIn = NULLCHAR;
6355 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6356 if( cl.kind == NormalMove ||
6357 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6358 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6359 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6366 if(cl.kind != ImpossibleMove) return FALSE;
6367 cl.pieceIn = EmptySquare;
6372 cl.promoCharIn = NULLCHAR;
6373 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6374 if( cl.kind == NormalMove ||
6375 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6376 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6377 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6382 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6388 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6389 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6390 int lastLoadGameUseList = FALSE;
6391 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6392 ChessMove lastLoadGameStart = EndOfFile;
6395 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6398 ChessSquare pdown, pup;
6400 /* Check if the user is playing in turn. This is complicated because we
6401 let the user "pick up" a piece before it is his turn. So the piece he
6402 tried to pick up may have been captured by the time he puts it down!
6403 Therefore we use the color the user is supposed to be playing in this
6404 test, not the color of the piece that is currently on the starting
6405 square---except in EditGame mode, where the user is playing both
6406 sides; fortunately there the capture race can't happen. (It can
6407 now happen in IcsExamining mode, but that's just too bad. The user
6408 will get a somewhat confusing message in that case.)
6413 case TwoMachinesPlay:
6417 /* We switched into a game mode where moves are not accepted,
6418 perhaps while the mouse button was down. */
6421 case MachinePlaysWhite:
6422 /* User is moving for Black */
6423 if (WhiteOnMove(currentMove)) {
6424 DisplayMoveError(_("It is White's turn"));
6429 case MachinePlaysBlack:
6430 /* User is moving for White */
6431 if (!WhiteOnMove(currentMove)) {
6432 DisplayMoveError(_("It is Black's turn"));
6437 case PlayFromGameFile:
6438 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6441 case BeginningOfGame:
6444 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6445 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6446 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6447 /* User is moving for Black */
6448 if (WhiteOnMove(currentMove)) {
6449 DisplayMoveError(_("It is White's turn"));
6453 /* User is moving for White */
6454 if (!WhiteOnMove(currentMove)) {
6455 DisplayMoveError(_("It is Black's turn"));
6461 case IcsPlayingBlack:
6462 /* User is moving for Black */
6463 if (WhiteOnMove(currentMove)) {
6464 if (!appData.premove) {
6465 DisplayMoveError(_("It is White's turn"));
6466 } else if (toX >= 0 && toY >= 0) {
6469 premoveFromX = fromX;
6470 premoveFromY = fromY;
6471 premovePromoChar = promoChar;
6473 if (appData.debugMode)
6474 fprintf(debugFP, "Got premove: fromX %d,"
6475 "fromY %d, toX %d, toY %d\n",
6476 fromX, fromY, toX, toY);
6482 case IcsPlayingWhite:
6483 /* User is moving for White */
6484 if (!WhiteOnMove(currentMove)) {
6485 if (!appData.premove) {
6486 DisplayMoveError(_("It is Black's turn"));
6487 } else if (toX >= 0 && toY >= 0) {
6490 premoveFromX = fromX;
6491 premoveFromY = fromY;
6492 premovePromoChar = promoChar;
6494 if (appData.debugMode)
6495 fprintf(debugFP, "Got premove: fromX %d,"
6496 "fromY %d, toX %d, toY %d\n",
6497 fromX, fromY, toX, toY);
6507 /* EditPosition, empty square, or different color piece;
6508 click-click move is possible */
6509 if (toX == -2 || toY == -2) {
6510 boards[0][fromY][fromX] = EmptySquare;
6511 DrawPosition(FALSE, boards[currentMove]);
6513 } else if (toX >= 0 && toY >= 0) {
6514 boards[0][toY][toX] = boards[0][fromY][fromX];
6515 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6516 if(boards[0][fromY][0] != EmptySquare) {
6517 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6518 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6521 if(fromX == BOARD_RGHT+1) {
6522 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6523 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6524 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6527 boards[0][fromY][fromX] = EmptySquare;
6528 DrawPosition(FALSE, boards[currentMove]);
6534 if(toX < 0 || toY < 0) return;
6535 pdown = boards[currentMove][fromY][fromX];
6536 pup = boards[currentMove][toY][toX];
6538 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6539 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6540 if( pup != EmptySquare ) return;
6541 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6542 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6543 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6544 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6545 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6546 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6547 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6551 /* [HGM] always test for legality, to get promotion info */
6552 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6553 fromY, fromX, toY, toX, promoChar);
6555 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6557 /* [HGM] but possibly ignore an IllegalMove result */
6558 if (appData.testLegality) {
6559 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6560 DisplayMoveError(_("Illegal move"));
6565 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6568 /* Common tail of UserMoveEvent and DropMenuEvent */
6570 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6574 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6575 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6576 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6577 if(WhiteOnMove(currentMove)) {
6578 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6580 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6584 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6585 move type in caller when we know the move is a legal promotion */
6586 if(moveType == NormalMove && promoChar)
6587 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6589 /* [HGM] <popupFix> The following if has been moved here from
6590 UserMoveEvent(). Because it seemed to belong here (why not allow
6591 piece drops in training games?), and because it can only be
6592 performed after it is known to what we promote. */
6593 if (gameMode == Training) {
6594 /* compare the move played on the board to the next move in the
6595 * game. If they match, display the move and the opponent's response.
6596 * If they don't match, display an error message.
6600 CopyBoard(testBoard, boards[currentMove]);
6601 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6603 if (CompareBoards(testBoard, boards[currentMove+1])) {
6604 ForwardInner(currentMove+1);
6606 /* Autoplay the opponent's response.
6607 * if appData.animate was TRUE when Training mode was entered,
6608 * the response will be animated.
6610 saveAnimate = appData.animate;
6611 appData.animate = animateTraining;
6612 ForwardInner(currentMove+1);
6613 appData.animate = saveAnimate;
6615 /* check for the end of the game */
6616 if (currentMove >= forwardMostMove) {
6617 gameMode = PlayFromGameFile;
6619 SetTrainingModeOff();
6620 DisplayInformation(_("End of game"));
6623 DisplayError(_("Incorrect move"), 0);
6628 /* Ok, now we know that the move is good, so we can kill
6629 the previous line in Analysis Mode */
6630 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6631 && currentMove < forwardMostMove) {
6632 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6633 else forwardMostMove = currentMove;
6636 /* If we need the chess program but it's dead, restart it */
6637 ResurrectChessProgram();
6639 /* A user move restarts a paused game*/
6643 thinkOutput[0] = NULLCHAR;
6645 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6647 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6648 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6652 if (gameMode == BeginningOfGame) {
6653 if (appData.noChessProgram) {
6654 gameMode = EditGame;
6658 gameMode = MachinePlaysBlack;
6661 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6663 if (first.sendName) {
6664 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6665 SendToProgram(buf, &first);
6672 /* Relay move to ICS or chess engine */
6673 if (appData.icsActive) {
6674 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6675 gameMode == IcsExamining) {
6676 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6677 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6679 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6681 // also send plain move, in case ICS does not understand atomic claims
6682 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6686 if (first.sendTime && (gameMode == BeginningOfGame ||
6687 gameMode == MachinePlaysWhite ||
6688 gameMode == MachinePlaysBlack)) {
6689 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6691 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6692 // [HGM] book: if program might be playing, let it use book
6693 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6694 first.maybeThinking = TRUE;
6695 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6696 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6697 SendBoard(&first, currentMove+1);
6698 } else SendMoveToProgram(forwardMostMove-1, &first);
6699 if (currentMove == cmailOldMove + 1) {
6700 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6704 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6708 if(appData.testLegality)
6709 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6715 if (WhiteOnMove(currentMove)) {
6716 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6718 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6722 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6727 case MachinePlaysBlack:
6728 case MachinePlaysWhite:
6729 /* disable certain menu options while machine is thinking */
6730 SetMachineThinkingEnables();
6737 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6738 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6740 if(bookHit) { // [HGM] book: simulate book reply
6741 static char bookMove[MSG_SIZ]; // a bit generous?
6743 programStats.nodes = programStats.depth = programStats.time =
6744 programStats.score = programStats.got_only_move = 0;
6745 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6747 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6748 strcat(bookMove, bookHit);
6749 HandleMachineMove(bookMove, &first);
6755 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6757 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6758 Markers *m = (Markers *) closure;
6759 if(rf == fromY && ff == fromX)
6760 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6761 || kind == WhiteCapturesEnPassant
6762 || kind == BlackCapturesEnPassant);
6763 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6767 MarkTargetSquares (int clear)
6770 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6771 !appData.testLegality || gameMode == EditPosition) return;
6773 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6776 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6777 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6778 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6780 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6783 DrawPosition(TRUE, NULL);
6787 Explode (Board board, int fromX, int fromY, int toX, int toY)
6789 if(gameInfo.variant == VariantAtomic &&
6790 (board[toY][toX] != EmptySquare || // capture?
6791 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6792 board[fromY][fromX] == BlackPawn )
6794 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6800 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6803 CanPromote (ChessSquare piece, int y)
6805 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6806 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6807 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6808 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6809 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6810 gameInfo.variant == VariantMakruk) return FALSE;
6811 return (piece == BlackPawn && y == 1 ||
6812 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6813 piece == BlackLance && y == 1 ||
6814 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6818 LeftClick (ClickType clickType, int xPix, int yPix)
6821 Boolean saveAnimate;
6822 static int second = 0, promotionChoice = 0, clearFlag = 0;
6823 char promoChoice = NULLCHAR;
6826 if(appData.seekGraph && appData.icsActive && loggedOn &&
6827 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6828 SeekGraphClick(clickType, xPix, yPix, 0);
6832 if (clickType == Press) ErrorPopDown();
6834 x = EventToSquare(xPix, BOARD_WIDTH);
6835 y = EventToSquare(yPix, BOARD_HEIGHT);
6836 if (!flipView && y >= 0) {
6837 y = BOARD_HEIGHT - 1 - y;
6839 if (flipView && x >= 0) {
6840 x = BOARD_WIDTH - 1 - x;
6843 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6844 defaultPromoChoice = promoSweep;
6845 promoSweep = EmptySquare; // terminate sweep
6846 promoDefaultAltered = TRUE;
6847 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6850 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6851 if(clickType == Release) return; // ignore upclick of click-click destination
6852 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6853 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6854 if(gameInfo.holdingsWidth &&
6855 (WhiteOnMove(currentMove)
6856 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6857 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6858 // click in right holdings, for determining promotion piece
6859 ChessSquare p = boards[currentMove][y][x];
6860 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6861 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6862 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6863 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6868 DrawPosition(FALSE, boards[currentMove]);
6872 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6873 if(clickType == Press
6874 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6875 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6876 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6879 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6880 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6882 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6883 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6884 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6885 defaultPromoChoice = DefaultPromoChoice(side);
6888 autoQueen = appData.alwaysPromoteToQueen;
6892 gatingPiece = EmptySquare;
6893 if (clickType != Press) {
6894 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6895 DragPieceEnd(xPix, yPix); dragging = 0;
6896 DrawPosition(FALSE, NULL);
6900 fromX = x; fromY = y; toX = toY = -1;
6901 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6902 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6903 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6905 if (OKToStartUserMove(fromX, fromY)) {
6907 MarkTargetSquares(0);
6908 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6909 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6910 promoSweep = defaultPromoChoice;
6911 selectFlag = 0; lastX = xPix; lastY = yPix;
6912 Sweep(0); // Pawn that is going to promote: preview promotion piece
6913 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6915 if (appData.highlightDragging) {
6916 SetHighlights(fromX, fromY, -1, -1);
6918 } else fromX = fromY = -1;
6924 if (clickType == Press && gameMode != EditPosition) {
6929 // ignore off-board to clicks
6930 if(y < 0 || x < 0) return;
6932 /* Check if clicking again on the same color piece */
6933 fromP = boards[currentMove][fromY][fromX];
6934 toP = boards[currentMove][y][x];
6935 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6936 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6937 WhitePawn <= toP && toP <= WhiteKing &&
6938 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6939 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6940 (BlackPawn <= fromP && fromP <= BlackKing &&
6941 BlackPawn <= toP && toP <= BlackKing &&
6942 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6943 !(fromP == BlackKing && toP == BlackRook && frc))) {
6944 /* Clicked again on same color piece -- changed his mind */
6945 second = (x == fromX && y == fromY);
6946 promoDefaultAltered = FALSE;
6947 MarkTargetSquares(1);
6948 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6949 if (appData.highlightDragging) {
6950 SetHighlights(x, y, -1, -1);
6954 if (OKToStartUserMove(x, y)) {
6955 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6956 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6957 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6958 gatingPiece = boards[currentMove][fromY][fromX];
6959 else gatingPiece = EmptySquare;
6961 fromY = y; dragging = 1;
6962 MarkTargetSquares(0);
6963 DragPieceBegin(xPix, yPix, FALSE);
6964 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6965 promoSweep = defaultPromoChoice;
6966 selectFlag = 0; lastX = xPix; lastY = yPix;
6967 Sweep(0); // Pawn that is going to promote: preview promotion piece
6971 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6974 // ignore clicks on holdings
6975 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6978 if (clickType == Release && x == fromX && y == fromY) {
6979 DragPieceEnd(xPix, yPix); dragging = 0;
6981 // a deferred attempt to click-click move an empty square on top of a piece
6982 boards[currentMove][y][x] = EmptySquare;
6984 DrawPosition(FALSE, boards[currentMove]);
6985 fromX = fromY = -1; clearFlag = 0;
6988 if (appData.animateDragging) {
6989 /* Undo animation damage if any */
6990 DrawPosition(FALSE, NULL);
6993 /* Second up/down in same square; just abort move */
6996 gatingPiece = EmptySquare;
6999 ClearPremoveHighlights();
7001 /* First upclick in same square; start click-click mode */
7002 SetHighlights(x, y, -1, -1);
7009 /* we now have a different from- and (possibly off-board) to-square */
7010 /* Completed move */
7013 saveAnimate = appData.animate;
7014 MarkTargetSquares(1);
7015 if (clickType == Press) {
7016 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7017 // must be Edit Position mode with empty-square selected
7018 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7019 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7022 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7023 ChessSquare piece = boards[currentMove][fromY][fromX];
7024 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7025 promoSweep = defaultPromoChoice;
7026 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7027 selectFlag = 0; lastX = xPix; lastY = yPix;
7028 Sweep(0); // Pawn that is going to promote: preview promotion piece
7029 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7030 DrawPosition(FALSE, boards[currentMove]);
7033 /* Finish clickclick move */
7034 if (appData.animate || appData.highlightLastMove) {
7035 SetHighlights(fromX, fromY, toX, toY);
7040 /* Finish drag move */
7041 if (appData.highlightLastMove) {
7042 SetHighlights(fromX, fromY, toX, toY);
7046 DragPieceEnd(xPix, yPix); dragging = 0;
7047 /* Don't animate move and drag both */
7048 appData.animate = FALSE;
7051 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7052 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7053 ChessSquare piece = boards[currentMove][fromY][fromX];
7054 if(gameMode == EditPosition && piece != EmptySquare &&
7055 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7058 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7059 n = PieceToNumber(piece - (int)BlackPawn);
7060 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7061 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7062 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7064 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7065 n = PieceToNumber(piece);
7066 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7067 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7068 boards[currentMove][n][BOARD_WIDTH-2]++;
7070 boards[currentMove][fromY][fromX] = EmptySquare;
7074 DrawPosition(TRUE, boards[currentMove]);
7078 // off-board moves should not be highlighted
7079 if(x < 0 || y < 0) ClearHighlights();
7081 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7083 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7084 SetHighlights(fromX, fromY, toX, toY);
7085 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7086 // [HGM] super: promotion to captured piece selected from holdings
7087 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7088 promotionChoice = TRUE;
7089 // kludge follows to temporarily execute move on display, without promoting yet
7090 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7091 boards[currentMove][toY][toX] = p;
7092 DrawPosition(FALSE, boards[currentMove]);
7093 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7094 boards[currentMove][toY][toX] = q;
7095 DisplayMessage("Click in holdings to choose piece", "");
7100 int oldMove = currentMove;
7101 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7102 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7103 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7104 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7105 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7106 DrawPosition(TRUE, boards[currentMove]);
7109 appData.animate = saveAnimate;
7110 if (appData.animate || appData.animateDragging) {
7111 /* Undo animation damage if needed */
7112 DrawPosition(FALSE, NULL);
7117 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7118 { // front-end-free part taken out of PieceMenuPopup
7119 int whichMenu; int xSqr, ySqr;
7121 if(seekGraphUp) { // [HGM] seekgraph
7122 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7123 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7127 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7128 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7129 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7130 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7131 if(action == Press) {
7132 originalFlip = flipView;
7133 flipView = !flipView; // temporarily flip board to see game from partners perspective
7134 DrawPosition(TRUE, partnerBoard);
7135 DisplayMessage(partnerStatus, "");
7137 } else if(action == Release) {
7138 flipView = originalFlip;
7139 DrawPosition(TRUE, boards[currentMove]);
7145 xSqr = EventToSquare(x, BOARD_WIDTH);
7146 ySqr = EventToSquare(y, BOARD_HEIGHT);
7147 if (action == Release) {
7148 if(pieceSweep != EmptySquare) {
7149 EditPositionMenuEvent(pieceSweep, toX, toY);
7150 pieceSweep = EmptySquare;
7151 } else UnLoadPV(); // [HGM] pv
7153 if (action != Press) return -2; // return code to be ignored
7156 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7158 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7159 if (xSqr < 0 || ySqr < 0) return -1;
7160 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7161 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7162 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7163 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7167 if(!appData.icsEngineAnalyze) return -1;
7168 case IcsPlayingWhite:
7169 case IcsPlayingBlack:
7170 if(!appData.zippyPlay) goto noZip;
7173 case MachinePlaysWhite:
7174 case MachinePlaysBlack:
7175 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7176 if (!appData.dropMenu) {
7178 return 2; // flag front-end to grab mouse events
7180 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7181 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7184 if (xSqr < 0 || ySqr < 0) return -1;
7185 if (!appData.dropMenu || appData.testLegality &&
7186 gameInfo.variant != VariantBughouse &&
7187 gameInfo.variant != VariantCrazyhouse) return -1;
7188 whichMenu = 1; // drop menu
7194 if (((*fromX = xSqr) < 0) ||
7195 ((*fromY = ySqr) < 0)) {
7196 *fromX = *fromY = -1;
7200 *fromX = BOARD_WIDTH - 1 - *fromX;
7202 *fromY = BOARD_HEIGHT - 1 - *fromY;
7208 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7210 // char * hint = lastHint;
7211 FrontEndProgramStats stats;
7213 stats.which = cps == &first ? 0 : 1;
7214 stats.depth = cpstats->depth;
7215 stats.nodes = cpstats->nodes;
7216 stats.score = cpstats->score;
7217 stats.time = cpstats->time;
7218 stats.pv = cpstats->movelist;
7219 stats.hint = lastHint;
7220 stats.an_move_index = 0;
7221 stats.an_move_count = 0;
7223 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7224 stats.hint = cpstats->move_name;
7225 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7226 stats.an_move_count = cpstats->nr_moves;
7229 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
7231 SetProgramStats( &stats );
7235 ClearEngineOutputPane (int which)
7237 static FrontEndProgramStats dummyStats;
7238 dummyStats.which = which;
7239 dummyStats.pv = "#";
7240 SetProgramStats( &dummyStats );
7243 #define MAXPLAYERS 500
7246 TourneyStandings (int display)
7248 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7249 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7250 char result, *p, *names[MAXPLAYERS];
7252 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7253 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7254 names[0] = p = strdup(appData.participants);
7255 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7257 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7259 while(result = appData.results[nr]) {
7260 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7261 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7262 wScore = bScore = 0;
7264 case '+': wScore = 2; break;
7265 case '-': bScore = 2; break;
7266 case '=': wScore = bScore = 1; break;
7268 case '*': return strdup("busy"); // tourney not finished
7276 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7277 for(w=0; w<nPlayers; w++) {
7279 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7280 ranking[w] = b; points[w] = bScore; score[b] = -2;
7282 p = malloc(nPlayers*34+1);
7283 for(w=0; w<nPlayers && w<display; w++)
7284 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7290 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7291 { // count all piece types
7293 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7294 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7295 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7298 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7299 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7300 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7301 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7302 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7303 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7308 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7310 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7311 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7313 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7314 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7315 if(myPawns == 2 && nMine == 3) // KPP
7316 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7317 if(myPawns == 1 && nMine == 2) // KP
7318 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7319 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7320 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7321 if(myPawns) return FALSE;
7322 if(pCnt[WhiteRook+side])
7323 return pCnt[BlackRook-side] ||
7324 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7325 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7326 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7327 if(pCnt[WhiteCannon+side]) {
7328 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7329 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7331 if(pCnt[WhiteKnight+side])
7332 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7337 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7339 VariantClass v = gameInfo.variant;
7341 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7342 if(v == VariantShatranj) return TRUE; // always winnable through baring
7343 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7344 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7346 if(v == VariantXiangqi) {
7347 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7349 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7350 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7351 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7352 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7353 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7354 if(stale) // we have at least one last-rank P plus perhaps C
7355 return majors // KPKX
7356 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7358 return pCnt[WhiteFerz+side] // KCAK
7359 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7360 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7361 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7363 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7364 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7366 if(nMine == 1) return FALSE; // bare King
7367 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
7368 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7369 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7370 // by now we have King + 1 piece (or multiple Bishops on the same color)
7371 if(pCnt[WhiteKnight+side])
7372 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7373 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7374 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7376 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7377 if(pCnt[WhiteAlfil+side])
7378 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7379 if(pCnt[WhiteWazir+side])
7380 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7387 CompareWithRights (Board b1, Board b2)
7390 if(!CompareBoards(b1, b2)) return FALSE;
7391 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7392 /* compare castling rights */
7393 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7394 rights++; /* King lost rights, while rook still had them */
7395 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7396 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7397 rights++; /* but at least one rook lost them */
7399 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7401 if( b1[CASTLING][5] != NoRights ) {
7402 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7409 Adjudicate (ChessProgramState *cps)
7410 { // [HGM] some adjudications useful with buggy engines
7411 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7412 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7413 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7414 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7415 int k, count = 0; static int bare = 1;
7416 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7417 Boolean canAdjudicate = !appData.icsActive;
7419 // most tests only when we understand the game, i.e. legality-checking on
7420 if( appData.testLegality )
7421 { /* [HGM] Some more adjudications for obstinate engines */
7422 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7423 static int moveCount = 6;
7425 char *reason = NULL;
7427 /* Count what is on board. */
7428 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7430 /* Some material-based adjudications that have to be made before stalemate test */
7431 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7432 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7433 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7434 if(canAdjudicate && appData.checkMates) {
7436 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7437 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7438 "Xboard adjudication: King destroyed", GE_XBOARD );
7443 /* Bare King in Shatranj (loses) or Losers (wins) */
7444 if( nrW == 1 || nrB == 1) {
7445 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7446 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7447 if(canAdjudicate && appData.checkMates) {
7449 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7450 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7451 "Xboard adjudication: Bare king", GE_XBOARD );
7455 if( gameInfo.variant == VariantShatranj && --bare < 0)
7457 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7458 if(canAdjudicate && appData.checkMates) {
7459 /* but only adjudicate if adjudication enabled */
7461 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7462 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7463 "Xboard adjudication: Bare king", GE_XBOARD );
7470 // don't wait for engine to announce game end if we can judge ourselves
7471 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7473 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7474 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7475 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7476 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7479 reason = "Xboard adjudication: 3rd check";
7480 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7490 reason = "Xboard adjudication: Stalemate";
7491 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7492 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7493 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7494 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7495 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7496 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7497 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7498 EP_CHECKMATE : EP_WINS);
7499 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7500 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7504 reason = "Xboard adjudication: Checkmate";
7505 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7509 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7511 result = GameIsDrawn; break;
7513 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7515 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7519 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7521 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7522 GameEnds( result, reason, GE_XBOARD );
7526 /* Next absolutely insufficient mating material. */
7527 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7528 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7529 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7531 /* always flag draws, for judging claims */
7532 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7534 if(canAdjudicate && appData.materialDraws) {
7535 /* but only adjudicate them if adjudication enabled */
7536 if(engineOpponent) {
7537 SendToProgram("force\n", engineOpponent); // suppress reply
7538 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7540 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7545 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7546 if(gameInfo.variant == VariantXiangqi ?
7547 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7549 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7550 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7551 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7552 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7554 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7555 { /* if the first 3 moves do not show a tactical win, declare draw */
7556 if(engineOpponent) {
7557 SendToProgram("force\n", engineOpponent); // suppress reply
7558 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7560 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7563 } else moveCount = 6;
7566 // Repetition draws and 50-move rule can be applied independently of legality testing
7568 /* Check for rep-draws */
7570 for(k = forwardMostMove-2;
7571 k>=backwardMostMove && k>=forwardMostMove-100 &&
7572 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7573 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7576 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7577 /* compare castling rights */
7578 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7579 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7580 rights++; /* King lost rights, while rook still had them */
7581 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7582 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7583 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7584 rights++; /* but at least one rook lost them */
7586 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7587 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7589 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7590 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7591 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7594 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7595 && appData.drawRepeats > 1) {
7596 /* adjudicate after user-specified nr of repeats */
7597 int result = GameIsDrawn;
7598 char *details = "XBoard adjudication: repetition draw";
7599 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7600 // [HGM] xiangqi: check for forbidden perpetuals
7601 int m, ourPerpetual = 1, hisPerpetual = 1;
7602 for(m=forwardMostMove; m>k; m-=2) {
7603 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7604 ourPerpetual = 0; // the current mover did not always check
7605 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7606 hisPerpetual = 0; // the opponent did not always check
7608 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7609 ourPerpetual, hisPerpetual);
7610 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7611 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7612 details = "Xboard adjudication: perpetual checking";
7614 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7615 break; // (or we would have caught him before). Abort repetition-checking loop.
7617 // Now check for perpetual chases
7618 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7619 hisPerpetual = PerpetualChase(k, forwardMostMove);
7620 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7621 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7622 static char resdet[MSG_SIZ];
7623 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7625 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7627 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7628 break; // Abort repetition-checking loop.
7630 // if neither of us is checking or chasing all the time, or both are, it is draw
7632 if(engineOpponent) {
7633 SendToProgram("force\n", engineOpponent); // suppress reply
7634 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7636 GameEnds( result, details, GE_XBOARD );
7639 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7640 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7644 /* Now we test for 50-move draws. Determine ply count */
7645 count = forwardMostMove;
7646 /* look for last irreversble move */
7647 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7649 /* if we hit starting position, add initial plies */
7650 if( count == backwardMostMove )
7651 count -= initialRulePlies;
7652 count = forwardMostMove - count;
7653 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7654 // adjust reversible move counter for checks in Xiangqi
7655 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7656 if(i < backwardMostMove) i = backwardMostMove;
7657 while(i <= forwardMostMove) {
7658 lastCheck = inCheck; // check evasion does not count
7659 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7660 if(inCheck || lastCheck) count--; // check does not count
7665 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7666 /* this is used to judge if draw claims are legal */
7667 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7668 if(engineOpponent) {
7669 SendToProgram("force\n", engineOpponent); // suppress reply
7670 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7672 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7676 /* if draw offer is pending, treat it as a draw claim
7677 * when draw condition present, to allow engines a way to
7678 * claim draws before making their move to avoid a race
7679 * condition occurring after their move
7681 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7683 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7684 p = "Draw claim: 50-move rule";
7685 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7686 p = "Draw claim: 3-fold repetition";
7687 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7688 p = "Draw claim: insufficient mating material";
7689 if( p != NULL && canAdjudicate) {
7690 if(engineOpponent) {
7691 SendToProgram("force\n", engineOpponent); // suppress reply
7692 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7694 GameEnds( GameIsDrawn, p, GE_XBOARD );
7699 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
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, "Xboard adjudication: long game", GE_XBOARD );
7711 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7712 { // [HGM] book: this routine intercepts moves to simulate book replies
7713 char *bookHit = NULL;
7715 //first determine if the incoming move brings opponent into his book
7716 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7717 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7718 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7719 if(bookHit != NULL && !cps->bookSuspend) {
7720 // make sure opponent is not going to reply after receiving move to book position
7721 SendToProgram("force\n", cps);
7722 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7724 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7725 // now arrange restart after book miss
7727 // after a book hit we never send 'go', and the code after the call to this routine
7728 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7729 char buf[MSG_SIZ], *move = bookHit;
7731 int fromX, fromY, toX, toY;
7735 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7736 &fromX, &fromY, &toX, &toY, &promoChar)) {
7737 (void) CoordsToAlgebraic(boards[forwardMostMove],
7738 PosFlags(forwardMostMove),
7739 fromY, fromX, toY, toX, promoChar, move);
7741 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7745 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7746 SendToProgram(buf, cps);
7747 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7748 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7749 SendToProgram("go\n", cps);
7750 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7751 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7752 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7753 SendToProgram("go\n", cps);
7754 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7756 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7760 ChessProgramState *savedState;
7762 DeferredBookMove (void)
7764 if(savedState->lastPing != savedState->lastPong)
7765 ScheduleDelayedEvent(DeferredBookMove, 10);
7767 HandleMachineMove(savedMessage, savedState);
7770 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7773 HandleMachineMove (char *message, ChessProgramState *cps)
7775 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7776 char realname[MSG_SIZ];
7777 int fromX, fromY, toX, toY;
7784 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7785 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7786 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7787 DisplayError(_("Invalid pairing from pairing engine"), 0);
7790 pairingReceived = 1;
7792 return; // Skim the pairing messages here.
7797 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7799 * Kludge to ignore BEL characters
7801 while (*message == '\007') message++;
7804 * [HGM] engine debug message: ignore lines starting with '#' character
7806 if(cps->debug && *message == '#') return;
7809 * Look for book output
7811 if (cps == &first && bookRequested) {
7812 if (message[0] == '\t' || message[0] == ' ') {
7813 /* Part of the book output is here; append it */
7814 strcat(bookOutput, message);
7815 strcat(bookOutput, " \n");
7817 } else if (bookOutput[0] != NULLCHAR) {
7818 /* All of book output has arrived; display it */
7819 char *p = bookOutput;
7820 while (*p != NULLCHAR) {
7821 if (*p == '\t') *p = ' ';
7824 DisplayInformation(bookOutput);
7825 bookRequested = FALSE;
7826 /* Fall through to parse the current output */
7831 * Look for machine move.
7833 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7834 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7836 /* This method is only useful on engines that support ping */
7837 if (cps->lastPing != cps->lastPong) {
7838 if (gameMode == BeginningOfGame) {
7839 /* Extra move from before last new; ignore */
7840 if (appData.debugMode) {
7841 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7844 if (appData.debugMode) {
7845 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7846 cps->which, gameMode);
7849 SendToProgram("undo\n", cps);
7855 case BeginningOfGame:
7856 /* Extra move from before last reset; ignore */
7857 if (appData.debugMode) {
7858 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7865 /* Extra move after we tried to stop. The mode test is
7866 not a reliable way of detecting this problem, but it's
7867 the best we can do on engines that don't support ping.
7869 if (appData.debugMode) {
7870 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7871 cps->which, gameMode);
7873 SendToProgram("undo\n", cps);
7876 case MachinePlaysWhite:
7877 case IcsPlayingWhite:
7878 machineWhite = TRUE;
7881 case MachinePlaysBlack:
7882 case IcsPlayingBlack:
7883 machineWhite = FALSE;
7886 case TwoMachinesPlay:
7887 machineWhite = (cps->twoMachinesColor[0] == 'w');
7890 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7891 if (appData.debugMode) {
7893 "Ignoring move out of turn by %s, gameMode %d"
7894 ", forwardMost %d\n",
7895 cps->which, gameMode, forwardMostMove);
7900 if(cps->alphaRank) AlphaRank(machineMove, 4);
7901 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7902 &fromX, &fromY, &toX, &toY, &promoChar)) {
7903 /* Machine move could not be parsed; ignore it. */
7904 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7905 machineMove, _(cps->which));
7906 DisplayError(buf1, 0);
7907 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7908 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7909 if (gameMode == TwoMachinesPlay) {
7910 GameEnds(machineWhite ? BlackWins : WhiteWins,
7916 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7917 /* So we have to redo legality test with true e.p. status here, */
7918 /* to make sure an illegal e.p. capture does not slip through, */
7919 /* to cause a forfeit on a justified illegal-move complaint */
7920 /* of the opponent. */
7921 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7923 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7924 fromY, fromX, toY, toX, promoChar);
7925 if(moveType == IllegalMove) {
7926 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7927 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7928 GameEnds(machineWhite ? BlackWins : WhiteWins,
7931 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7932 /* [HGM] Kludge to handle engines that send FRC-style castling
7933 when they shouldn't (like TSCP-Gothic) */
7935 case WhiteASideCastleFR:
7936 case BlackASideCastleFR:
7938 currentMoveString[2]++;
7940 case WhiteHSideCastleFR:
7941 case BlackHSideCastleFR:
7943 currentMoveString[2]--;
7945 default: ; // nothing to do, but suppresses warning of pedantic compilers
7948 hintRequested = FALSE;
7949 lastHint[0] = NULLCHAR;
7950 bookRequested = FALSE;
7951 /* Program may be pondering now */
7952 cps->maybeThinking = TRUE;
7953 if (cps->sendTime == 2) cps->sendTime = 1;
7954 if (cps->offeredDraw) cps->offeredDraw--;
7956 /* [AS] Save move info*/
7957 pvInfoList[ forwardMostMove ].score = programStats.score;
7958 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7959 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7961 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7963 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7964 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7967 while( count < adjudicateLossPlies ) {
7968 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7971 score = -score; /* Flip score for winning side */
7974 if( score > adjudicateLossThreshold ) {
7981 if( count >= adjudicateLossPlies ) {
7982 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7984 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7985 "Xboard adjudication",
7992 if(Adjudicate(cps)) {
7993 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7994 return; // [HGM] adjudicate: for all automatic game ends
7998 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8000 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8001 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8003 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8005 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8007 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8008 char buf[3*MSG_SIZ];
8010 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8011 programStats.score / 100.,
8013 programStats.time / 100.,
8014 (unsigned int)programStats.nodes,
8015 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8016 programStats.movelist);
8018 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8023 /* [AS] Clear stats for next move */
8024 ClearProgramStats();
8025 thinkOutput[0] = NULLCHAR;
8026 hiddenThinkOutputState = 0;
8029 if (gameMode == TwoMachinesPlay) {
8030 /* [HGM] relaying draw offers moved to after reception of move */
8031 /* and interpreting offer as claim if it brings draw condition */
8032 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8033 SendToProgram("draw\n", cps->other);
8035 if (cps->other->sendTime) {
8036 SendTimeRemaining(cps->other,
8037 cps->other->twoMachinesColor[0] == 'w');
8039 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8040 if (firstMove && !bookHit) {
8042 if (cps->other->useColors) {
8043 SendToProgram(cps->other->twoMachinesColor, cps->other);
8045 SendToProgram("go\n", cps->other);
8047 cps->other->maybeThinking = TRUE;
8050 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8052 if (!pausing && appData.ringBellAfterMoves) {
8057 * Reenable menu items that were disabled while
8058 * machine was thinking
8060 if (gameMode != TwoMachinesPlay)
8061 SetUserThinkingEnables();
8063 // [HGM] book: after book hit opponent has received move and is now in force mode
8064 // force the book reply into it, and then fake that it outputted this move by jumping
8065 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8067 static char bookMove[MSG_SIZ]; // a bit generous?
8069 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8070 strcat(bookMove, bookHit);
8073 programStats.nodes = programStats.depth = programStats.time =
8074 programStats.score = programStats.got_only_move = 0;
8075 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8077 if(cps->lastPing != cps->lastPong) {
8078 savedMessage = message; // args for deferred call
8080 ScheduleDelayedEvent(DeferredBookMove, 10);
8089 /* Set special modes for chess engines. Later something general
8090 * could be added here; for now there is just one kludge feature,
8091 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8092 * when "xboard" is given as an interactive command.
8094 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8095 cps->useSigint = FALSE;
8096 cps->useSigterm = FALSE;
8098 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8099 ParseFeatures(message+8, cps);
8100 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8103 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8104 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8105 int dummy, s=6; char buf[MSG_SIZ];
8106 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8107 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8108 if(startedFromSetupPosition) return;
8109 ParseFEN(boards[0], &dummy, message+s);
8110 DrawPosition(TRUE, boards[0]);
8111 startedFromSetupPosition = TRUE;
8114 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8115 * want this, I was asked to put it in, and obliged.
8117 if (!strncmp(message, "setboard ", 9)) {
8118 Board initial_position;
8120 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8122 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8123 DisplayError(_("Bad FEN received from engine"), 0);
8127 CopyBoard(boards[0], initial_position);
8128 initialRulePlies = FENrulePlies;
8129 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8130 else gameMode = MachinePlaysBlack;
8131 DrawPosition(FALSE, boards[currentMove]);
8137 * Look for communication commands
8139 if (!strncmp(message, "telluser ", 9)) {
8140 if(message[9] == '\\' && message[10] == '\\')
8141 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8143 DisplayNote(message + 9);
8146 if (!strncmp(message, "tellusererror ", 14)) {
8148 if(message[14] == '\\' && message[15] == '\\')
8149 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8151 DisplayError(message + 14, 0);
8154 if (!strncmp(message, "tellopponent ", 13)) {
8155 if (appData.icsActive) {
8157 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8161 DisplayNote(message + 13);
8165 if (!strncmp(message, "tellothers ", 11)) {
8166 if (appData.icsActive) {
8168 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8174 if (!strncmp(message, "tellall ", 8)) {
8175 if (appData.icsActive) {
8177 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8181 DisplayNote(message + 8);
8185 if (strncmp(message, "warning", 7) == 0) {
8186 /* Undocumented feature, use tellusererror in new code */
8187 DisplayError(message, 0);
8190 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8191 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8192 strcat(realname, " query");
8193 AskQuestion(realname, buf2, buf1, cps->pr);
8196 /* Commands from the engine directly to ICS. We don't allow these to be
8197 * sent until we are logged on. Crafty kibitzes have been known to
8198 * interfere with the login process.
8201 if (!strncmp(message, "tellics ", 8)) {
8202 SendToICS(message + 8);
8206 if (!strncmp(message, "tellicsnoalias ", 15)) {
8207 SendToICS(ics_prefix);
8208 SendToICS(message + 15);
8212 /* The following are for backward compatibility only */
8213 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8214 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8215 SendToICS(ics_prefix);
8221 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8225 * If the move is illegal, cancel it and redraw the board.
8226 * Also deal with other error cases. Matching is rather loose
8227 * here to accommodate engines written before the spec.
8229 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8230 strncmp(message, "Error", 5) == 0) {
8231 if (StrStr(message, "name") ||
8232 StrStr(message, "rating") || StrStr(message, "?") ||
8233 StrStr(message, "result") || StrStr(message, "board") ||
8234 StrStr(message, "bk") || StrStr(message, "computer") ||
8235 StrStr(message, "variant") || StrStr(message, "hint") ||
8236 StrStr(message, "random") || StrStr(message, "depth") ||
8237 StrStr(message, "accepted")) {
8240 if (StrStr(message, "protover")) {
8241 /* Program is responding to input, so it's apparently done
8242 initializing, and this error message indicates it is
8243 protocol version 1. So we don't need to wait any longer
8244 for it to initialize and send feature commands. */
8245 FeatureDone(cps, 1);
8246 cps->protocolVersion = 1;
8249 cps->maybeThinking = FALSE;
8251 if (StrStr(message, "draw")) {
8252 /* Program doesn't have "draw" command */
8253 cps->sendDrawOffers = 0;
8256 if (cps->sendTime != 1 &&
8257 (StrStr(message, "time") || StrStr(message, "otim"))) {
8258 /* Program apparently doesn't have "time" or "otim" command */
8262 if (StrStr(message, "analyze")) {
8263 cps->analysisSupport = FALSE;
8264 cps->analyzing = FALSE;
8265 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8266 EditGameEvent(); // [HGM] try to preserve loaded game
8267 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8268 DisplayError(buf2, 0);
8271 if (StrStr(message, "(no matching move)st")) {
8272 /* Special kludge for GNU Chess 4 only */
8273 cps->stKludge = TRUE;
8274 SendTimeControl(cps, movesPerSession, timeControl,
8275 timeIncrement, appData.searchDepth,
8279 if (StrStr(message, "(no matching move)sd")) {
8280 /* Special kludge for GNU Chess 4 only */
8281 cps->sdKludge = TRUE;
8282 SendTimeControl(cps, movesPerSession, timeControl,
8283 timeIncrement, appData.searchDepth,
8287 if (!StrStr(message, "llegal")) {
8290 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8291 gameMode == IcsIdle) return;
8292 if (forwardMostMove <= backwardMostMove) return;
8293 if (pausing) PauseEvent();
8294 if(appData.forceIllegal) {
8295 // [HGM] illegal: machine refused move; force position after move into it
8296 SendToProgram("force\n", cps);
8297 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8298 // we have a real problem now, as SendBoard will use the a2a3 kludge
8299 // when black is to move, while there might be nothing on a2 or black
8300 // might already have the move. So send the board as if white has the move.
8301 // But first we must change the stm of the engine, as it refused the last move
8302 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8303 if(WhiteOnMove(forwardMostMove)) {
8304 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8305 SendBoard(cps, forwardMostMove); // kludgeless board
8307 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8308 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8309 SendBoard(cps, forwardMostMove+1); // kludgeless board
8311 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8312 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8313 gameMode == TwoMachinesPlay)
8314 SendToProgram("go\n", cps);
8317 if (gameMode == PlayFromGameFile) {
8318 /* Stop reading this game file */
8319 gameMode = EditGame;
8322 /* [HGM] illegal-move claim should forfeit game when Xboard */
8323 /* only passes fully legal moves */
8324 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8325 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8326 "False illegal-move claim", GE_XBOARD );
8327 return; // do not take back move we tested as valid
8329 currentMove = forwardMostMove-1;
8330 DisplayMove(currentMove-1); /* before DisplayMoveError */
8331 SwitchClocks(forwardMostMove-1); // [HGM] race
8332 DisplayBothClocks();
8333 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8334 parseList[currentMove], _(cps->which));
8335 DisplayMoveError(buf1);
8336 DrawPosition(FALSE, boards[currentMove]);
8338 SetUserThinkingEnables();
8341 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8342 /* Program has a broken "time" command that
8343 outputs a string not ending in newline.
8349 * If chess program startup fails, exit with an error message.
8350 * Attempts to recover here are futile.
8352 if ((StrStr(message, "unknown host") != NULL)
8353 || (StrStr(message, "No remote directory") != NULL)
8354 || (StrStr(message, "not found") != NULL)
8355 || (StrStr(message, "No such file") != NULL)
8356 || (StrStr(message, "can't alloc") != NULL)
8357 || (StrStr(message, "Permission denied") != NULL)) {
8359 cps->maybeThinking = FALSE;
8360 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8361 _(cps->which), cps->program, cps->host, message);
8362 RemoveInputSource(cps->isr);
8363 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8364 if(cps == &first) appData.noChessProgram = TRUE;
8365 DisplayError(buf1, 0);
8371 * Look for hint output
8373 if (sscanf(message, "Hint: %s", buf1) == 1) {
8374 if (cps == &first && hintRequested) {
8375 hintRequested = FALSE;
8376 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8377 &fromX, &fromY, &toX, &toY, &promoChar)) {
8378 (void) CoordsToAlgebraic(boards[forwardMostMove],
8379 PosFlags(forwardMostMove),
8380 fromY, fromX, toY, toX, promoChar, buf1);
8381 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8382 DisplayInformation(buf2);
8384 /* Hint move could not be parsed!? */
8385 snprintf(buf2, sizeof(buf2),
8386 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8387 buf1, _(cps->which));
8388 DisplayError(buf2, 0);
8391 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8397 * Ignore other messages if game is not in progress
8399 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8400 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8403 * look for win, lose, draw, or draw offer
8405 if (strncmp(message, "1-0", 3) == 0) {
8406 char *p, *q, *r = "";
8407 p = strchr(message, '{');
8415 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8417 } else if (strncmp(message, "0-1", 3) == 0) {
8418 char *p, *q, *r = "";
8419 p = strchr(message, '{');
8427 /* Kludge for Arasan 4.1 bug */
8428 if (strcmp(r, "Black resigns") == 0) {
8429 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8432 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8434 } else if (strncmp(message, "1/2", 3) == 0) {
8435 char *p, *q, *r = "";
8436 p = strchr(message, '{');
8445 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8448 } else if (strncmp(message, "White resign", 12) == 0) {
8449 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8451 } else if (strncmp(message, "Black resign", 12) == 0) {
8452 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8454 } else if (strncmp(message, "White matches", 13) == 0 ||
8455 strncmp(message, "Black matches", 13) == 0 ) {
8456 /* [HGM] ignore GNUShogi noises */
8458 } else if (strncmp(message, "White", 5) == 0 &&
8459 message[5] != '(' &&
8460 StrStr(message, "Black") == NULL) {
8461 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8463 } else if (strncmp(message, "Black", 5) == 0 &&
8464 message[5] != '(') {
8465 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8467 } else if (strcmp(message, "resign") == 0 ||
8468 strcmp(message, "computer resigns") == 0) {
8470 case MachinePlaysBlack:
8471 case IcsPlayingBlack:
8472 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8474 case MachinePlaysWhite:
8475 case IcsPlayingWhite:
8476 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8478 case TwoMachinesPlay:
8479 if (cps->twoMachinesColor[0] == 'w')
8480 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8482 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8489 } else if (strncmp(message, "opponent mates", 14) == 0) {
8491 case MachinePlaysBlack:
8492 case IcsPlayingBlack:
8493 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8495 case MachinePlaysWhite:
8496 case IcsPlayingWhite:
8497 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8499 case TwoMachinesPlay:
8500 if (cps->twoMachinesColor[0] == 'w')
8501 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8503 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8510 } else if (strncmp(message, "computer mates", 14) == 0) {
8512 case MachinePlaysBlack:
8513 case IcsPlayingBlack:
8514 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8516 case MachinePlaysWhite:
8517 case IcsPlayingWhite:
8518 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8520 case TwoMachinesPlay:
8521 if (cps->twoMachinesColor[0] == 'w')
8522 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8524 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8531 } else if (strncmp(message, "checkmate", 9) == 0) {
8532 if (WhiteOnMove(forwardMostMove)) {
8533 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8535 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8538 } else if (strstr(message, "Draw") != NULL ||
8539 strstr(message, "game is a draw") != NULL) {
8540 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8542 } else if (strstr(message, "offer") != NULL &&
8543 strstr(message, "draw") != NULL) {
8545 if (appData.zippyPlay && first.initDone) {
8546 /* Relay offer to ICS */
8547 SendToICS(ics_prefix);
8548 SendToICS("draw\n");
8551 cps->offeredDraw = 2; /* valid until this engine moves twice */
8552 if (gameMode == TwoMachinesPlay) {
8553 if (cps->other->offeredDraw) {
8554 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8555 /* [HGM] in two-machine mode we delay relaying draw offer */
8556 /* until after we also have move, to see if it is really claim */
8558 } else if (gameMode == MachinePlaysWhite ||
8559 gameMode == MachinePlaysBlack) {
8560 if (userOfferedDraw) {
8561 DisplayInformation(_("Machine accepts your draw offer"));
8562 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8564 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8571 * Look for thinking output
8573 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8574 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8576 int plylev, mvleft, mvtot, curscore, time;
8577 char mvname[MOVE_LEN];
8581 int prefixHint = FALSE;
8582 mvname[0] = NULLCHAR;
8585 case MachinePlaysBlack:
8586 case IcsPlayingBlack:
8587 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8589 case MachinePlaysWhite:
8590 case IcsPlayingWhite:
8591 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8596 case IcsObserving: /* [DM] icsEngineAnalyze */
8597 if (!appData.icsEngineAnalyze) ignore = TRUE;
8599 case TwoMachinesPlay:
8600 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8610 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8612 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8613 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8615 if (plyext != ' ' && plyext != '\t') {
8619 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8620 if( cps->scoreIsAbsolute &&
8621 ( gameMode == MachinePlaysBlack ||
8622 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8623 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8624 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8625 !WhiteOnMove(currentMove)
8628 curscore = -curscore;
8631 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8633 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8636 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8637 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8638 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8639 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8640 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8641 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8643 } else DisplayError(_("failed writing PV"), 0);
8646 tempStats.depth = plylev;
8647 tempStats.nodes = nodes;
8648 tempStats.time = time;
8649 tempStats.score = curscore;
8650 tempStats.got_only_move = 0;
8652 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8655 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8656 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8657 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8658 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8659 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8660 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8661 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8662 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8665 /* Buffer overflow protection */
8666 if (pv[0] != NULLCHAR) {
8667 if (strlen(pv) >= sizeof(tempStats.movelist)
8668 && appData.debugMode) {
8670 "PV is too long; using the first %u bytes.\n",
8671 (unsigned) sizeof(tempStats.movelist) - 1);
8674 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8676 sprintf(tempStats.movelist, " no PV\n");
8679 if (tempStats.seen_stat) {
8680 tempStats.ok_to_send = 1;
8683 if (strchr(tempStats.movelist, '(') != NULL) {
8684 tempStats.line_is_book = 1;
8685 tempStats.nr_moves = 0;
8686 tempStats.moves_left = 0;
8688 tempStats.line_is_book = 0;
8691 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8692 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8694 SendProgramStatsToFrontend( cps, &tempStats );
8697 [AS] Protect the thinkOutput buffer from overflow... this
8698 is only useful if buf1 hasn't overflowed first!
8700 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8702 (gameMode == TwoMachinesPlay ?
8703 ToUpper(cps->twoMachinesColor[0]) : ' '),
8704 ((double) curscore) / 100.0,
8705 prefixHint ? lastHint : "",
8706 prefixHint ? " " : "" );
8708 if( buf1[0] != NULLCHAR ) {
8709 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8711 if( strlen(pv) > max_len ) {
8712 if( appData.debugMode) {
8713 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8715 pv[max_len+1] = '\0';
8718 strcat( thinkOutput, pv);
8721 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8722 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8723 DisplayMove(currentMove - 1);
8727 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8728 /* crafty (9.25+) says "(only move) <move>"
8729 * if there is only 1 legal move
8731 sscanf(p, "(only move) %s", buf1);
8732 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8733 sprintf(programStats.movelist, "%s (only move)", buf1);
8734 programStats.depth = 1;
8735 programStats.nr_moves = 1;
8736 programStats.moves_left = 1;
8737 programStats.nodes = 1;
8738 programStats.time = 1;
8739 programStats.got_only_move = 1;
8741 /* Not really, but we also use this member to
8742 mean "line isn't going to change" (Crafty
8743 isn't searching, so stats won't change) */
8744 programStats.line_is_book = 1;
8746 SendProgramStatsToFrontend( cps, &programStats );
8748 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8749 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8750 DisplayMove(currentMove - 1);
8753 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8754 &time, &nodes, &plylev, &mvleft,
8755 &mvtot, mvname) >= 5) {
8756 /* The stat01: line is from Crafty (9.29+) in response
8757 to the "." command */
8758 programStats.seen_stat = 1;
8759 cps->maybeThinking = TRUE;
8761 if (programStats.got_only_move || !appData.periodicUpdates)
8764 programStats.depth = plylev;
8765 programStats.time = time;
8766 programStats.nodes = nodes;
8767 programStats.moves_left = mvleft;
8768 programStats.nr_moves = mvtot;
8769 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8770 programStats.ok_to_send = 1;
8771 programStats.movelist[0] = '\0';
8773 SendProgramStatsToFrontend( cps, &programStats );
8777 } else if (strncmp(message,"++",2) == 0) {
8778 /* Crafty 9.29+ outputs this */
8779 programStats.got_fail = 2;
8782 } else if (strncmp(message,"--",2) == 0) {
8783 /* Crafty 9.29+ outputs this */
8784 programStats.got_fail = 1;
8787 } else if (thinkOutput[0] != NULLCHAR &&
8788 strncmp(message, " ", 4) == 0) {
8789 unsigned message_len;
8792 while (*p && *p == ' ') p++;
8794 message_len = strlen( p );
8796 /* [AS] Avoid buffer overflow */
8797 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8798 strcat(thinkOutput, " ");
8799 strcat(thinkOutput, p);
8802 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8803 strcat(programStats.movelist, " ");
8804 strcat(programStats.movelist, p);
8807 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8808 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8809 DisplayMove(currentMove - 1);
8817 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8818 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8820 ChessProgramStats cpstats;
8822 if (plyext != ' ' && plyext != '\t') {
8826 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8827 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8828 curscore = -curscore;
8831 cpstats.depth = plylev;
8832 cpstats.nodes = nodes;
8833 cpstats.time = time;
8834 cpstats.score = curscore;
8835 cpstats.got_only_move = 0;
8836 cpstats.movelist[0] = '\0';
8838 if (buf1[0] != NULLCHAR) {
8839 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8842 cpstats.ok_to_send = 0;
8843 cpstats.line_is_book = 0;
8844 cpstats.nr_moves = 0;
8845 cpstats.moves_left = 0;
8847 SendProgramStatsToFrontend( cps, &cpstats );
8854 /* Parse a game score from the character string "game", and
8855 record it as the history of the current game. The game
8856 score is NOT assumed to start from the standard position.
8857 The display is not updated in any way.
8860 ParseGameHistory (char *game)
8863 int fromX, fromY, toX, toY, boardIndex;
8868 if (appData.debugMode)
8869 fprintf(debugFP, "Parsing game history: %s\n", game);
8871 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8872 gameInfo.site = StrSave(appData.icsHost);
8873 gameInfo.date = PGNDate();
8874 gameInfo.round = StrSave("-");
8876 /* Parse out names of players */
8877 while (*game == ' ') game++;
8879 while (*game != ' ') *p++ = *game++;
8881 gameInfo.white = StrSave(buf);
8882 while (*game == ' ') game++;
8884 while (*game != ' ' && *game != '\n') *p++ = *game++;
8886 gameInfo.black = StrSave(buf);
8889 boardIndex = blackPlaysFirst ? 1 : 0;
8892 yyboardindex = boardIndex;
8893 moveType = (ChessMove) Myylex();
8895 case IllegalMove: /* maybe suicide chess, etc. */
8896 if (appData.debugMode) {
8897 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8898 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8899 setbuf(debugFP, NULL);
8901 case WhitePromotion:
8902 case BlackPromotion:
8903 case WhiteNonPromotion:
8904 case BlackNonPromotion:
8906 case WhiteCapturesEnPassant:
8907 case BlackCapturesEnPassant:
8908 case WhiteKingSideCastle:
8909 case WhiteQueenSideCastle:
8910 case BlackKingSideCastle:
8911 case BlackQueenSideCastle:
8912 case WhiteKingSideCastleWild:
8913 case WhiteQueenSideCastleWild:
8914 case BlackKingSideCastleWild:
8915 case BlackQueenSideCastleWild:
8917 case WhiteHSideCastleFR:
8918 case WhiteASideCastleFR:
8919 case BlackHSideCastleFR:
8920 case BlackASideCastleFR:
8922 fromX = currentMoveString[0] - AAA;
8923 fromY = currentMoveString[1] - ONE;
8924 toX = currentMoveString[2] - AAA;
8925 toY = currentMoveString[3] - ONE;
8926 promoChar = currentMoveString[4];
8930 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8931 fromX = moveType == WhiteDrop ?
8932 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8933 (int) CharToPiece(ToLower(currentMoveString[0]));
8935 toX = currentMoveString[2] - AAA;
8936 toY = currentMoveString[3] - ONE;
8937 promoChar = NULLCHAR;
8941 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8942 if (appData.debugMode) {
8943 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8944 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8945 setbuf(debugFP, NULL);
8947 DisplayError(buf, 0);
8949 case ImpossibleMove:
8951 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8952 if (appData.debugMode) {
8953 fprintf(debugFP, "Impossible 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);
8960 if (boardIndex < backwardMostMove) {
8961 /* Oops, gap. How did that happen? */
8962 DisplayError(_("Gap in move list"), 0);
8965 backwardMostMove = blackPlaysFirst ? 1 : 0;
8966 if (boardIndex > forwardMostMove) {
8967 forwardMostMove = boardIndex;
8971 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8972 strcat(parseList[boardIndex-1], " ");
8973 strcat(parseList[boardIndex-1], yy_text);
8985 case GameUnfinished:
8986 if (gameMode == IcsExamining) {
8987 if (boardIndex < backwardMostMove) {
8988 /* Oops, gap. How did that happen? */
8991 backwardMostMove = blackPlaysFirst ? 1 : 0;
8994 gameInfo.result = moveType;
8995 p = strchr(yy_text, '{');
8996 if (p == NULL) p = strchr(yy_text, '(');
8999 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9001 q = strchr(p, *p == '{' ? '}' : ')');
9002 if (q != NULL) *q = NULLCHAR;
9005 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9006 gameInfo.resultDetails = StrSave(p);
9009 if (boardIndex >= forwardMostMove &&
9010 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9011 backwardMostMove = blackPlaysFirst ? 1 : 0;
9014 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9015 fromY, fromX, toY, toX, promoChar,
9016 parseList[boardIndex]);
9017 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9018 /* currentMoveString is set as a side-effect of yylex */
9019 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9020 strcat(moveList[boardIndex], "\n");
9022 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9023 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9029 if(gameInfo.variant != VariantShogi)
9030 strcat(parseList[boardIndex - 1], "+");
9034 strcat(parseList[boardIndex - 1], "#");
9041 /* Apply a move to the given board */
9043 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9045 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9046 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9048 /* [HGM] compute & store e.p. status and castling rights for new position */
9049 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9051 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9052 oldEP = (signed char)board[EP_STATUS];
9053 board[EP_STATUS] = EP_NONE;
9055 if (fromY == DROP_RANK) {
9057 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9058 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9061 piece = board[toY][toX] = (ChessSquare) fromX;
9065 if( board[toY][toX] != EmptySquare )
9066 board[EP_STATUS] = EP_CAPTURE;
9068 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9069 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9070 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9072 if( board[fromY][fromX] == WhitePawn ) {
9073 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9074 board[EP_STATUS] = EP_PAWN_MOVE;
9076 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9077 gameInfo.variant != VariantBerolina || toX < fromX)
9078 board[EP_STATUS] = toX | berolina;
9079 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9080 gameInfo.variant != VariantBerolina || toX > fromX)
9081 board[EP_STATUS] = toX;
9084 if( board[fromY][fromX] == BlackPawn ) {
9085 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9086 board[EP_STATUS] = EP_PAWN_MOVE;
9087 if( toY-fromY== -2) {
9088 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9089 gameInfo.variant != VariantBerolina || toX < fromX)
9090 board[EP_STATUS] = toX | berolina;
9091 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9092 gameInfo.variant != VariantBerolina || toX > fromX)
9093 board[EP_STATUS] = toX;
9097 for(i=0; i<nrCastlingRights; i++) {
9098 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9099 board[CASTLING][i] == toX && castlingRank[i] == toY
9100 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9103 if (fromX == toX && fromY == toY) return;
9105 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9106 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9107 if(gameInfo.variant == VariantKnightmate)
9108 king += (int) WhiteUnicorn - (int) WhiteKing;
9110 /* Code added by Tord: */
9111 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9112 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9113 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9114 board[fromY][fromX] = EmptySquare;
9115 board[toY][toX] = EmptySquare;
9116 if((toX > fromX) != (piece == WhiteRook)) {
9117 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9119 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9121 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9122 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9123 board[fromY][fromX] = EmptySquare;
9124 board[toY][toX] = EmptySquare;
9125 if((toX > fromX) != (piece == BlackRook)) {
9126 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9128 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9130 /* End of code added by Tord */
9132 } else if (board[fromY][fromX] == king
9133 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9134 && toY == fromY && toX > fromX+1) {
9135 board[fromY][fromX] = EmptySquare;
9136 board[toY][toX] = king;
9137 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9138 board[fromY][BOARD_RGHT-1] = EmptySquare;
9139 } else if (board[fromY][fromX] == king
9140 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9141 && toY == fromY && toX < fromX-1) {
9142 board[fromY][fromX] = EmptySquare;
9143 board[toY][toX] = king;
9144 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9145 board[fromY][BOARD_LEFT] = EmptySquare;
9146 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9147 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9148 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9150 /* white pawn promotion */
9151 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9152 if(gameInfo.variant==VariantBughouse ||
9153 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9154 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9155 board[fromY][fromX] = EmptySquare;
9156 } else if ((fromY >= BOARD_HEIGHT>>1)
9158 && gameInfo.variant != VariantXiangqi
9159 && gameInfo.variant != VariantBerolina
9160 && (board[fromY][fromX] == WhitePawn)
9161 && (board[toY][toX] == EmptySquare)) {
9162 board[fromY][fromX] = EmptySquare;
9163 board[toY][toX] = WhitePawn;
9164 captured = board[toY - 1][toX];
9165 board[toY - 1][toX] = EmptySquare;
9166 } else if ((fromY == BOARD_HEIGHT-4)
9168 && gameInfo.variant == VariantBerolina
9169 && (board[fromY][fromX] == WhitePawn)
9170 && (board[toY][toX] == EmptySquare)) {
9171 board[fromY][fromX] = EmptySquare;
9172 board[toY][toX] = WhitePawn;
9173 if(oldEP & EP_BEROLIN_A) {
9174 captured = board[fromY][fromX-1];
9175 board[fromY][fromX-1] = EmptySquare;
9176 }else{ captured = board[fromY][fromX+1];
9177 board[fromY][fromX+1] = EmptySquare;
9179 } else if (board[fromY][fromX] == king
9180 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9181 && toY == fromY && toX > fromX+1) {
9182 board[fromY][fromX] = EmptySquare;
9183 board[toY][toX] = king;
9184 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9185 board[fromY][BOARD_RGHT-1] = EmptySquare;
9186 } else if (board[fromY][fromX] == king
9187 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9188 && toY == fromY && toX < fromX-1) {
9189 board[fromY][fromX] = EmptySquare;
9190 board[toY][toX] = king;
9191 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9192 board[fromY][BOARD_LEFT] = EmptySquare;
9193 } else if (fromY == 7 && fromX == 3
9194 && board[fromY][fromX] == BlackKing
9195 && toY == 7 && toX == 5) {
9196 board[fromY][fromX] = EmptySquare;
9197 board[toY][toX] = BlackKing;
9198 board[fromY][7] = EmptySquare;
9199 board[toY][4] = BlackRook;
9200 } else if (fromY == 7 && fromX == 3
9201 && board[fromY][fromX] == BlackKing
9202 && toY == 7 && toX == 1) {
9203 board[fromY][fromX] = EmptySquare;
9204 board[toY][toX] = BlackKing;
9205 board[fromY][0] = EmptySquare;
9206 board[toY][2] = BlackRook;
9207 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9208 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9209 && toY < promoRank && promoChar
9211 /* black pawn promotion */
9212 board[toY][toX] = CharToPiece(ToLower(promoChar));
9213 if(gameInfo.variant==VariantBughouse ||
9214 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9215 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9216 board[fromY][fromX] = EmptySquare;
9217 } else if ((fromY < BOARD_HEIGHT>>1)
9219 && gameInfo.variant != VariantXiangqi
9220 && gameInfo.variant != VariantBerolina
9221 && (board[fromY][fromX] == BlackPawn)
9222 && (board[toY][toX] == EmptySquare)) {
9223 board[fromY][fromX] = EmptySquare;
9224 board[toY][toX] = BlackPawn;
9225 captured = board[toY + 1][toX];
9226 board[toY + 1][toX] = EmptySquare;
9227 } else if ((fromY == 3)
9229 && gameInfo.variant == VariantBerolina
9230 && (board[fromY][fromX] == BlackPawn)
9231 && (board[toY][toX] == EmptySquare)) {
9232 board[fromY][fromX] = EmptySquare;
9233 board[toY][toX] = BlackPawn;
9234 if(oldEP & EP_BEROLIN_A) {
9235 captured = board[fromY][fromX-1];
9236 board[fromY][fromX-1] = EmptySquare;
9237 }else{ captured = board[fromY][fromX+1];
9238 board[fromY][fromX+1] = EmptySquare;
9241 board[toY][toX] = board[fromY][fromX];
9242 board[fromY][fromX] = EmptySquare;
9246 if (gameInfo.holdingsWidth != 0) {
9248 /* !!A lot more code needs to be written to support holdings */
9249 /* [HGM] OK, so I have written it. Holdings are stored in the */
9250 /* penultimate board files, so they are automaticlly stored */
9251 /* in the game history. */
9252 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9253 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9254 /* Delete from holdings, by decreasing count */
9255 /* and erasing image if necessary */
9256 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9257 if(p < (int) BlackPawn) { /* white drop */
9258 p -= (int)WhitePawn;
9259 p = PieceToNumber((ChessSquare)p);
9260 if(p >= gameInfo.holdingsSize) p = 0;
9261 if(--board[p][BOARD_WIDTH-2] <= 0)
9262 board[p][BOARD_WIDTH-1] = EmptySquare;
9263 if((int)board[p][BOARD_WIDTH-2] < 0)
9264 board[p][BOARD_WIDTH-2] = 0;
9265 } else { /* black drop */
9266 p -= (int)BlackPawn;
9267 p = PieceToNumber((ChessSquare)p);
9268 if(p >= gameInfo.holdingsSize) p = 0;
9269 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9270 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9271 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9272 board[BOARD_HEIGHT-1-p][1] = 0;
9275 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9276 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9277 /* [HGM] holdings: Add to holdings, if holdings exist */
9278 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9279 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9280 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9283 if (p >= (int) BlackPawn) {
9284 p -= (int)BlackPawn;
9285 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9286 /* in Shogi restore piece to its original first */
9287 captured = (ChessSquare) (DEMOTED captured);
9290 p = PieceToNumber((ChessSquare)p);
9291 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9292 board[p][BOARD_WIDTH-2]++;
9293 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9295 p -= (int)WhitePawn;
9296 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9297 captured = (ChessSquare) (DEMOTED captured);
9300 p = PieceToNumber((ChessSquare)p);
9301 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9302 board[BOARD_HEIGHT-1-p][1]++;
9303 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9306 } else if (gameInfo.variant == VariantAtomic) {
9307 if (captured != EmptySquare) {
9309 for (y = toY-1; y <= toY+1; y++) {
9310 for (x = toX-1; x <= toX+1; x++) {
9311 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9312 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9313 board[y][x] = EmptySquare;
9317 board[toY][toX] = EmptySquare;
9320 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9321 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9323 if(promoChar == '+') {
9324 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9325 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9326 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9327 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9329 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9330 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9331 // [HGM] superchess: take promotion piece out of holdings
9332 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9333 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9334 if(!--board[k][BOARD_WIDTH-2])
9335 board[k][BOARD_WIDTH-1] = EmptySquare;
9337 if(!--board[BOARD_HEIGHT-1-k][1])
9338 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9344 /* Updates forwardMostMove */
9346 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9348 // forwardMostMove++; // [HGM] bare: moved downstream
9350 (void) CoordsToAlgebraic(boards[forwardMostMove],
9351 PosFlags(forwardMostMove),
9352 fromY, fromX, toY, toX, promoChar,
9353 parseList[forwardMostMove]);
9355 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9356 int timeLeft; static int lastLoadFlag=0; int king, piece;
9357 piece = boards[forwardMostMove][fromY][fromX];
9358 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9359 if(gameInfo.variant == VariantKnightmate)
9360 king += (int) WhiteUnicorn - (int) WhiteKing;
9361 if(forwardMostMove == 0) {
9362 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9363 fprintf(serverMoves, "%s;", UserName());
9364 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9365 fprintf(serverMoves, "%s;", second.tidy);
9366 fprintf(serverMoves, "%s;", first.tidy);
9367 if(gameMode == MachinePlaysWhite)
9368 fprintf(serverMoves, "%s;", UserName());
9369 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9370 fprintf(serverMoves, "%s;", second.tidy);
9371 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9372 lastLoadFlag = loadFlag;
9374 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9375 // print castling suffix
9376 if( toY == fromY && piece == king ) {
9378 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9380 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9383 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9384 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9385 boards[forwardMostMove][toY][toX] == EmptySquare
9386 && fromX != toX && fromY != toY)
9387 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9389 if(promoChar != NULLCHAR)
9390 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9392 char buf[MOVE_LEN*2], *p; int len;
9393 fprintf(serverMoves, "/%d/%d",
9394 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9395 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9396 else timeLeft = blackTimeRemaining/1000;
9397 fprintf(serverMoves, "/%d", timeLeft);
9398 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9399 if(p = strchr(buf, '=')) *p = NULLCHAR;
9400 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9401 fprintf(serverMoves, "/%s", buf);
9403 fflush(serverMoves);
9406 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9407 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9410 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9411 if (commentList[forwardMostMove+1] != NULL) {
9412 free(commentList[forwardMostMove+1]);
9413 commentList[forwardMostMove+1] = NULL;
9415 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9416 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9417 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9418 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9419 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9420 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9421 adjustedClock = FALSE;
9422 gameInfo.result = GameUnfinished;
9423 if (gameInfo.resultDetails != NULL) {
9424 free(gameInfo.resultDetails);
9425 gameInfo.resultDetails = NULL;
9427 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9428 moveList[forwardMostMove - 1]);
9429 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9435 if(gameInfo.variant != VariantShogi)
9436 strcat(parseList[forwardMostMove - 1], "+");
9440 strcat(parseList[forwardMostMove - 1], "#");
9446 /* Updates currentMove if not pausing */
9448 ShowMove (int fromX, int fromY, int toX, int toY)
9450 int instant = (gameMode == PlayFromGameFile) ?
9451 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9452 if(appData.noGUI) return;
9453 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9455 if (forwardMostMove == currentMove + 1) {
9456 AnimateMove(boards[forwardMostMove - 1],
9457 fromX, fromY, toX, toY);
9459 if (appData.highlightLastMove) {
9460 SetHighlights(fromX, fromY, toX, toY);
9463 currentMove = forwardMostMove;
9466 if (instant) return;
9468 DisplayMove(currentMove - 1);
9469 DrawPosition(FALSE, boards[currentMove]);
9470 DisplayBothClocks();
9471 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9475 SendEgtPath (ChessProgramState *cps)
9476 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9477 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9479 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9482 char c, *q = name+1, *r, *s;
9484 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9485 while(*p && *p != ',') *q++ = *p++;
9487 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9488 strcmp(name, ",nalimov:") == 0 ) {
9489 // take nalimov path from the menu-changeable option first, if it is defined
9490 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9491 SendToProgram(buf,cps); // send egtbpath command for nalimov
9493 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9494 (s = StrStr(appData.egtFormats, name)) != NULL) {
9495 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9496 s = r = StrStr(s, ":") + 1; // beginning of path info
9497 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9498 c = *r; *r = 0; // temporarily null-terminate path info
9499 *--q = 0; // strip of trailig ':' from name
9500 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9502 SendToProgram(buf,cps); // send egtbpath command for this format
9504 if(*p == ',') p++; // read away comma to position for next format name
9509 InitChessProgram (ChessProgramState *cps, int setup)
9510 /* setup needed to setup FRC opening position */
9512 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9513 if (appData.noChessProgram) return;
9514 hintRequested = FALSE;
9515 bookRequested = FALSE;
9517 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9518 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9519 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9520 if(cps->memSize) { /* [HGM] memory */
9521 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9522 SendToProgram(buf, cps);
9524 SendEgtPath(cps); /* [HGM] EGT */
9525 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9526 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9527 SendToProgram(buf, cps);
9530 SendToProgram(cps->initString, cps);
9531 if (gameInfo.variant != VariantNormal &&
9532 gameInfo.variant != VariantLoadable
9533 /* [HGM] also send variant if board size non-standard */
9534 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9536 char *v = VariantName(gameInfo.variant);
9537 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9538 /* [HGM] in protocol 1 we have to assume all variants valid */
9539 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9540 DisplayFatalError(buf, 0, 1);
9544 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9545 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9546 if( gameInfo.variant == VariantXiangqi )
9547 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9548 if( gameInfo.variant == VariantShogi )
9549 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9550 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9551 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9552 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9553 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9554 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9555 if( gameInfo.variant == VariantCourier )
9556 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9557 if( gameInfo.variant == VariantSuper )
9558 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9559 if( gameInfo.variant == VariantGreat )
9560 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9561 if( gameInfo.variant == VariantSChess )
9562 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9563 if( gameInfo.variant == VariantGrand )
9564 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9567 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9568 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9569 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9570 if(StrStr(cps->variants, b) == NULL) {
9571 // specific sized variant not known, check if general sizing allowed
9572 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9573 if(StrStr(cps->variants, "boardsize") == NULL) {
9574 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9575 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9576 DisplayFatalError(buf, 0, 1);
9579 /* [HGM] here we really should compare with the maximum supported board size */
9582 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9583 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9584 SendToProgram(buf, cps);
9586 currentlyInitializedVariant = gameInfo.variant;
9588 /* [HGM] send opening position in FRC to first engine */
9590 SendToProgram("force\n", cps);
9592 /* engine is now in force mode! Set flag to wake it up after first move. */
9593 setboardSpoiledMachineBlack = 1;
9597 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9598 SendToProgram(buf, cps);
9600 cps->maybeThinking = FALSE;
9601 cps->offeredDraw = 0;
9602 if (!appData.icsActive) {
9603 SendTimeControl(cps, movesPerSession, timeControl,
9604 timeIncrement, appData.searchDepth,
9607 if (appData.showThinking
9608 // [HGM] thinking: four options require thinking output to be sent
9609 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9611 SendToProgram("post\n", cps);
9613 SendToProgram("hard\n", cps);
9614 if (!appData.ponderNextMove) {
9615 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9616 it without being sure what state we are in first. "hard"
9617 is not a toggle, so that one is OK.
9619 SendToProgram("easy\n", cps);
9622 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9623 SendToProgram(buf, cps);
9625 cps->initDone = TRUE;
9626 ClearEngineOutputPane(cps == &second);
9631 StartChessProgram (ChessProgramState *cps)
9636 if (appData.noChessProgram) return;
9637 cps->initDone = FALSE;
9639 if (strcmp(cps->host, "localhost") == 0) {
9640 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9641 } else if (*appData.remoteShell == NULLCHAR) {
9642 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9644 if (*appData.remoteUser == NULLCHAR) {
9645 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9648 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9649 cps->host, appData.remoteUser, cps->program);
9651 err = StartChildProcess(buf, "", &cps->pr);
9655 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9656 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9657 if(cps != &first) return;
9658 appData.noChessProgram = TRUE;
9661 // DisplayFatalError(buf, err, 1);
9662 // cps->pr = NoProc;
9667 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9668 if (cps->protocolVersion > 1) {
9669 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9670 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9671 cps->comboCnt = 0; // and values of combo boxes
9672 SendToProgram(buf, cps);
9674 SendToProgram("xboard\n", cps);
9679 TwoMachinesEventIfReady P((void))
9681 static int curMess = 0;
9682 if (first.lastPing != first.lastPong) {
9683 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9684 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9687 if (second.lastPing != second.lastPong) {
9688 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9689 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9692 DisplayMessage("", ""); curMess = 0;
9698 MakeName (char *template)
9702 static char buf[MSG_SIZ];
9706 clock = time((time_t *)NULL);
9707 tm = localtime(&clock);
9709 while(*p++ = *template++) if(p[-1] == '%') {
9710 switch(*template++) {
9711 case 0: *p = 0; return buf;
9712 case 'Y': i = tm->tm_year+1900; break;
9713 case 'y': i = tm->tm_year-100; break;
9714 case 'M': i = tm->tm_mon+1; break;
9715 case 'd': i = tm->tm_mday; break;
9716 case 'h': i = tm->tm_hour; break;
9717 case 'm': i = tm->tm_min; break;
9718 case 's': i = tm->tm_sec; break;
9721 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9727 CountPlayers (char *p)
9730 while(p = strchr(p, '\n')) p++, n++; // count participants
9735 WriteTourneyFile (char *results, FILE *f)
9736 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9737 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9738 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9739 // create a file with tournament description
9740 fprintf(f, "-participants {%s}\n", appData.participants);
9741 fprintf(f, "-seedBase %d\n", appData.seedBase);
9742 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9743 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9744 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9745 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9746 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9747 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9748 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9749 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9750 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9751 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9752 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9753 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9755 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9757 fprintf(f, "-mps %d\n", appData.movesPerSession);
9758 fprintf(f, "-tc %s\n", appData.timeControl);
9759 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9761 fprintf(f, "-results \"%s\"\n", results);
9766 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9769 Substitute (char *participants, int expunge)
9771 int i, changed, changes=0, nPlayers=0;
9772 char *p, *q, *r, buf[MSG_SIZ];
9773 if(participants == NULL) return;
9774 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9775 r = p = participants; q = appData.participants;
9776 while(*p && *p == *q) {
9777 if(*p == '\n') r = p+1, nPlayers++;
9780 if(*p) { // difference
9781 while(*p && *p++ != '\n');
9782 while(*q && *q++ != '\n');
9784 changes = 1 + (strcmp(p, q) != 0);
9786 if(changes == 1) { // a single engine mnemonic was changed
9787 q = r; while(*q) nPlayers += (*q++ == '\n');
9788 p = buf; while(*r && (*p = *r++) != '\n') p++;
9790 NamesToList(firstChessProgramNames, command, mnemonic, "all");
9791 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9792 if(mnemonic[i]) { // The substitute is valid
9794 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9795 flock(fileno(f), LOCK_EX);
9796 ParseArgsFromFile(f);
9797 fseek(f, 0, SEEK_SET);
9798 FREE(appData.participants); appData.participants = participants;
9799 if(expunge) { // erase results of replaced engine
9800 int len = strlen(appData.results), w, b, dummy;
9801 for(i=0; i<len; i++) {
9802 Pairing(i, nPlayers, &w, &b, &dummy);
9803 if((w == changed || b == changed) && appData.results[i] == '*') {
9804 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9809 for(i=0; i<len; i++) {
9810 Pairing(i, nPlayers, &w, &b, &dummy);
9811 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9814 WriteTourneyFile(appData.results, f);
9815 fclose(f); // release lock
9818 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9820 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9821 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9827 CreateTourney (char *name)
9830 if(matchMode && strcmp(name, appData.tourneyFile)) {
9831 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9833 if(name[0] == NULLCHAR) {
9834 if(appData.participants[0])
9835 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9838 f = fopen(name, "r");
9839 if(f) { // file exists
9840 ASSIGN(appData.tourneyFile, name);
9841 ParseArgsFromFile(f); // parse it
9843 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9844 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9845 DisplayError(_("Not enough participants"), 0);
9848 ASSIGN(appData.tourneyFile, name);
9849 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9850 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9853 appData.noChessProgram = FALSE;
9854 appData.clockMode = TRUE;
9860 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
9862 char buf[MSG_SIZ], *p, *q;
9863 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
9864 skip = !all && group[0]; // if group requested, we start in skip mode
9865 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
9866 p = names; q = buf; header = 0;
9867 while(*p && *p != '\n') *q++ = *p++;
9871 if(strstr(buf, "# end") == buf) { depth--; continue; } // leave group, and suppress printing label
9872 depth++; // we must be entering a new group
9873 if(all) continue; // suppress printing group headers when complete list requested
9875 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
9877 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
9878 if(engineList[i]) free(engineList[i]);
9879 engineList[i] = strdup(buf);
9880 if(buf[0] != '#') TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
9881 if(engineMnemonic[i]) free(engineMnemonic[i]);
9882 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9884 sscanf(q + 8, "%s", buf + strlen(buf));
9887 engineMnemonic[i] = strdup(buf);
9890 engineList[i] = engineMnemonic[i] = NULL;
9894 // following implemented as macro to avoid type limitations
9895 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9899 { // swap settings for first engine and other engine (so far only some selected options)
9904 SWAP(chessProgram, p)
9906 SWAP(hasOwnBookUCI, h)
9907 SWAP(protocolVersion, h)
9909 SWAP(scoreIsAbsolute, h)
9918 SetPlayer (int player, char *p)
9919 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9921 char buf[MSG_SIZ], *engineName;
9922 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9923 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9924 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9926 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9927 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9928 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
9929 ParseArgsFromString(buf);
9935 char *recentEngines;
9938 RecentEngineEvent (int nr)
9941 // SwapEngines(1); // bump first to second
9942 // ReplaceEngine(&second, 1); // and load it there
9943 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
9944 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
9945 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
9946 ReplaceEngine(&first, 0);
9947 FloatToFront(&appData.recentEngineList, command[n]);
9952 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9953 { // determine players from game number
9954 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9956 if(appData.tourneyType == 0) {
9957 roundsPerCycle = (nPlayers - 1) | 1;
9958 pairingsPerRound = nPlayers / 2;
9959 } else if(appData.tourneyType > 0) {
9960 roundsPerCycle = nPlayers - appData.tourneyType;
9961 pairingsPerRound = appData.tourneyType;
9963 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9964 gamesPerCycle = gamesPerRound * roundsPerCycle;
9965 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9966 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9967 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9968 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9969 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9970 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9972 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9973 if(appData.roundSync) *syncInterval = gamesPerRound;
9975 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9977 if(appData.tourneyType == 0) {
9978 if(curPairing == (nPlayers-1)/2 ) {
9979 *whitePlayer = curRound;
9980 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9982 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9983 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9984 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9985 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9987 } else if(appData.tourneyType > 1) {
9988 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
9989 *whitePlayer = curRound + appData.tourneyType;
9990 } else if(appData.tourneyType > 0) {
9991 *whitePlayer = curPairing;
9992 *blackPlayer = curRound + appData.tourneyType;
9995 // take care of white/black alternation per round.
9996 // For cycles and games this is already taken care of by default, derived from matchGame!
9997 return curRound & 1;
10001 NextTourneyGame (int nr, int *swapColors)
10002 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10004 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10006 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10007 tf = fopen(appData.tourneyFile, "r");
10008 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10009 ParseArgsFromFile(tf); fclose(tf);
10010 InitTimeControls(); // TC might be altered from tourney file
10012 nPlayers = CountPlayers(appData.participants); // count participants
10013 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10014 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10017 p = q = appData.results;
10018 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10019 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10020 DisplayMessage(_("Waiting for other game(s)"),"");
10021 waitingForGame = TRUE;
10022 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10025 waitingForGame = FALSE;
10028 if(appData.tourneyType < 0) {
10029 if(nr>=0 && !pairingReceived) {
10031 if(pairing.pr == NoProc) {
10032 if(!appData.pairingEngine[0]) {
10033 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10036 StartChessProgram(&pairing); // starts the pairing engine
10038 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10039 SendToProgram(buf, &pairing);
10040 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10041 SendToProgram(buf, &pairing);
10042 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10044 pairingReceived = 0; // ... so we continue here
10046 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10047 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10048 matchGame = 1; roundNr = nr / syncInterval + 1;
10051 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10053 // redefine engines, engine dir, etc.
10054 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10055 if(first.pr == NoProc) {
10056 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10057 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10059 if(second.pr == NoProc) {
10061 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10062 SwapEngines(1); // and make that valid for second engine by swapping
10063 InitEngine(&second, 1);
10065 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10066 UpdateLogos(FALSE); // leave display to ModeHiglight()
10072 { // performs game initialization that does not invoke engines, and then tries to start the game
10073 int res, firstWhite, swapColors = 0;
10074 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10075 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10076 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10077 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10078 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10079 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10080 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10081 Reset(FALSE, first.pr != NoProc);
10082 res = LoadGameOrPosition(matchGame); // setup game
10083 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10084 if(!res) return; // abort when bad game/pos file
10085 TwoMachinesEvent();
10089 UserAdjudicationEvent (int result)
10091 ChessMove gameResult = GameIsDrawn;
10094 gameResult = WhiteWins;
10096 else if( result < 0 ) {
10097 gameResult = BlackWins;
10100 if( gameMode == TwoMachinesPlay ) {
10101 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10106 // [HGM] save: calculate checksum of game to make games easily identifiable
10108 StringCheckSum (char *s)
10111 if(s==NULL) return 0;
10112 while(*s) i = i*259 + *s++;
10120 for(i=backwardMostMove; i<forwardMostMove; i++) {
10121 sum += pvInfoList[i].depth;
10122 sum += StringCheckSum(parseList[i]);
10123 sum += StringCheckSum(commentList[i]);
10126 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10127 return sum + StringCheckSum(commentList[i]);
10128 } // end of save patch
10131 GameEnds (ChessMove result, char *resultDetails, int whosays)
10133 GameMode nextGameMode;
10135 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10137 if(endingGame) return; /* [HGM] crash: forbid recursion */
10139 if(twoBoards) { // [HGM] dual: switch back to one board
10140 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10141 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10143 if (appData.debugMode) {
10144 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10145 result, resultDetails ? resultDetails : "(null)", whosays);
10148 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10150 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10151 /* If we are playing on ICS, the server decides when the
10152 game is over, but the engine can offer to draw, claim
10156 if (appData.zippyPlay && first.initDone) {
10157 if (result == GameIsDrawn) {
10158 /* In case draw still needs to be claimed */
10159 SendToICS(ics_prefix);
10160 SendToICS("draw\n");
10161 } else if (StrCaseStr(resultDetails, "resign")) {
10162 SendToICS(ics_prefix);
10163 SendToICS("resign\n");
10167 endingGame = 0; /* [HGM] crash */
10171 /* If we're loading the game from a file, stop */
10172 if (whosays == GE_FILE) {
10173 (void) StopLoadGameTimer();
10177 /* Cancel draw offers */
10178 first.offeredDraw = second.offeredDraw = 0;
10180 /* If this is an ICS game, only ICS can really say it's done;
10181 if not, anyone can. */
10182 isIcsGame = (gameMode == IcsPlayingWhite ||
10183 gameMode == IcsPlayingBlack ||
10184 gameMode == IcsObserving ||
10185 gameMode == IcsExamining);
10187 if (!isIcsGame || whosays == GE_ICS) {
10188 /* OK -- not an ICS game, or ICS said it was done */
10190 if (!isIcsGame && !appData.noChessProgram)
10191 SetUserThinkingEnables();
10193 /* [HGM] if a machine claims the game end we verify this claim */
10194 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10195 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10197 ChessMove trueResult = (ChessMove) -1;
10199 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10200 first.twoMachinesColor[0] :
10201 second.twoMachinesColor[0] ;
10203 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10204 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10205 /* [HGM] verify: engine mate claims accepted if they were flagged */
10206 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10208 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10209 /* [HGM] verify: engine mate claims accepted if they were flagged */
10210 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10212 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10213 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10216 // now verify win claims, but not in drop games, as we don't understand those yet
10217 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10218 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10219 (result == WhiteWins && claimer == 'w' ||
10220 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10221 if (appData.debugMode) {
10222 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10223 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10225 if(result != trueResult) {
10226 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10227 result = claimer == 'w' ? BlackWins : WhiteWins;
10228 resultDetails = buf;
10231 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10232 && (forwardMostMove <= backwardMostMove ||
10233 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10234 (claimer=='b')==(forwardMostMove&1))
10236 /* [HGM] verify: draws that were not flagged are false claims */
10237 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10238 result = claimer == 'w' ? BlackWins : WhiteWins;
10239 resultDetails = buf;
10241 /* (Claiming a loss is accepted no questions asked!) */
10243 /* [HGM] bare: don't allow bare King to win */
10244 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10245 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10246 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10247 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10248 && result != GameIsDrawn)
10249 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10250 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10251 int p = (signed char)boards[forwardMostMove][i][j] - color;
10252 if(p >= 0 && p <= (int)WhiteKing) k++;
10254 if (appData.debugMode) {
10255 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10256 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10259 result = GameIsDrawn;
10260 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10261 resultDetails = buf;
10267 if(serverMoves != NULL && !loadFlag) { char c = '=';
10268 if(result==WhiteWins) c = '+';
10269 if(result==BlackWins) c = '-';
10270 if(resultDetails != NULL)
10271 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10273 if (resultDetails != NULL) {
10274 gameInfo.result = result;
10275 gameInfo.resultDetails = StrSave(resultDetails);
10277 /* display last move only if game was not loaded from file */
10278 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10279 DisplayMove(currentMove - 1);
10281 if (forwardMostMove != 0) {
10282 if (gameMode != PlayFromGameFile && gameMode != EditGame
10283 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10285 if (*appData.saveGameFile != NULLCHAR) {
10286 SaveGameToFile(appData.saveGameFile, TRUE);
10287 } else if (appData.autoSaveGames) {
10290 if (*appData.savePositionFile != NULLCHAR) {
10291 SavePositionToFile(appData.savePositionFile);
10296 /* Tell program how game ended in case it is learning */
10297 /* [HGM] Moved this to after saving the PGN, just in case */
10298 /* engine died and we got here through time loss. In that */
10299 /* case we will get a fatal error writing the pipe, which */
10300 /* would otherwise lose us the PGN. */
10301 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10302 /* output during GameEnds should never be fatal anymore */
10303 if (gameMode == MachinePlaysWhite ||
10304 gameMode == MachinePlaysBlack ||
10305 gameMode == TwoMachinesPlay ||
10306 gameMode == IcsPlayingWhite ||
10307 gameMode == IcsPlayingBlack ||
10308 gameMode == BeginningOfGame) {
10310 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10312 if (first.pr != NoProc) {
10313 SendToProgram(buf, &first);
10315 if (second.pr != NoProc &&
10316 gameMode == TwoMachinesPlay) {
10317 SendToProgram(buf, &second);
10322 if (appData.icsActive) {
10323 if (appData.quietPlay &&
10324 (gameMode == IcsPlayingWhite ||
10325 gameMode == IcsPlayingBlack)) {
10326 SendToICS(ics_prefix);
10327 SendToICS("set shout 1\n");
10329 nextGameMode = IcsIdle;
10330 ics_user_moved = FALSE;
10331 /* clean up premove. It's ugly when the game has ended and the
10332 * premove highlights are still on the board.
10335 gotPremove = FALSE;
10336 ClearPremoveHighlights();
10337 DrawPosition(FALSE, boards[currentMove]);
10339 if (whosays == GE_ICS) {
10342 if (gameMode == IcsPlayingWhite)
10344 else if(gameMode == IcsPlayingBlack)
10345 PlayIcsLossSound();
10348 if (gameMode == IcsPlayingBlack)
10350 else if(gameMode == IcsPlayingWhite)
10351 PlayIcsLossSound();
10354 PlayIcsDrawSound();
10357 PlayIcsUnfinishedSound();
10360 } else if (gameMode == EditGame ||
10361 gameMode == PlayFromGameFile ||
10362 gameMode == AnalyzeMode ||
10363 gameMode == AnalyzeFile) {
10364 nextGameMode = gameMode;
10366 nextGameMode = EndOfGame;
10371 nextGameMode = gameMode;
10374 if (appData.noChessProgram) {
10375 gameMode = nextGameMode;
10377 endingGame = 0; /* [HGM] crash */
10382 /* Put first chess program into idle state */
10383 if (first.pr != NoProc &&
10384 (gameMode == MachinePlaysWhite ||
10385 gameMode == MachinePlaysBlack ||
10386 gameMode == TwoMachinesPlay ||
10387 gameMode == IcsPlayingWhite ||
10388 gameMode == IcsPlayingBlack ||
10389 gameMode == BeginningOfGame)) {
10390 SendToProgram("force\n", &first);
10391 if (first.usePing) {
10393 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10394 SendToProgram(buf, &first);
10397 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10398 /* Kill off first chess program */
10399 if (first.isr != NULL)
10400 RemoveInputSource(first.isr);
10403 if (first.pr != NoProc) {
10405 DoSleep( appData.delayBeforeQuit );
10406 SendToProgram("quit\n", &first);
10407 DoSleep( appData.delayAfterQuit );
10408 DestroyChildProcess(first.pr, first.useSigterm);
10412 if (second.reuse) {
10413 /* Put second chess program into idle state */
10414 if (second.pr != NoProc &&
10415 gameMode == TwoMachinesPlay) {
10416 SendToProgram("force\n", &second);
10417 if (second.usePing) {
10419 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10420 SendToProgram(buf, &second);
10423 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10424 /* Kill off second chess program */
10425 if (second.isr != NULL)
10426 RemoveInputSource(second.isr);
10429 if (second.pr != NoProc) {
10430 DoSleep( appData.delayBeforeQuit );
10431 SendToProgram("quit\n", &second);
10432 DoSleep( appData.delayAfterQuit );
10433 DestroyChildProcess(second.pr, second.useSigterm);
10435 second.pr = NoProc;
10438 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10439 char resChar = '=';
10443 if (first.twoMachinesColor[0] == 'w') {
10446 second.matchWins++;
10451 if (first.twoMachinesColor[0] == 'b') {
10454 second.matchWins++;
10457 case GameUnfinished:
10463 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10464 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10465 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10466 ReserveGame(nextGame, resChar); // sets nextGame
10467 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10468 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10469 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10471 if (nextGame <= appData.matchGames && !abortMatch) {
10472 gameMode = nextGameMode;
10473 matchGame = nextGame; // this will be overruled in tourney mode!
10474 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10475 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10476 endingGame = 0; /* [HGM] crash */
10479 gameMode = nextGameMode;
10480 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10481 first.tidy, second.tidy,
10482 first.matchWins, second.matchWins,
10483 appData.matchGames - (first.matchWins + second.matchWins));
10484 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10485 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10486 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10487 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10488 first.twoMachinesColor = "black\n";
10489 second.twoMachinesColor = "white\n";
10491 first.twoMachinesColor = "white\n";
10492 second.twoMachinesColor = "black\n";
10496 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10497 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10499 gameMode = nextGameMode;
10501 endingGame = 0; /* [HGM] crash */
10502 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10503 if(matchMode == TRUE) { // match through command line: exit with or without popup
10505 ToNrEvent(forwardMostMove);
10506 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10508 } else DisplayFatalError(buf, 0, 0);
10509 } else { // match through menu; just stop, with or without popup
10510 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10513 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10514 } else DisplayNote(buf);
10516 if(ranking) free(ranking);
10520 /* Assumes program was just initialized (initString sent).
10521 Leaves program in force mode. */
10523 FeedMovesToProgram (ChessProgramState *cps, int upto)
10527 if (appData.debugMode)
10528 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10529 startedFromSetupPosition ? "position and " : "",
10530 backwardMostMove, upto, cps->which);
10531 if(currentlyInitializedVariant != gameInfo.variant) {
10533 // [HGM] variantswitch: make engine aware of new variant
10534 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10535 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10536 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10537 SendToProgram(buf, cps);
10538 currentlyInitializedVariant = gameInfo.variant;
10540 SendToProgram("force\n", cps);
10541 if (startedFromSetupPosition) {
10542 SendBoard(cps, backwardMostMove);
10543 if (appData.debugMode) {
10544 fprintf(debugFP, "feedMoves\n");
10547 for (i = backwardMostMove; i < upto; i++) {
10548 SendMoveToProgram(i, cps);
10554 ResurrectChessProgram ()
10556 /* The chess program may have exited.
10557 If so, restart it and feed it all the moves made so far. */
10558 static int doInit = 0;
10560 if (appData.noChessProgram) return 1;
10562 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10563 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10564 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10565 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10567 if (first.pr != NoProc) return 1;
10568 StartChessProgram(&first);
10570 InitChessProgram(&first, FALSE);
10571 FeedMovesToProgram(&first, currentMove);
10573 if (!first.sendTime) {
10574 /* can't tell gnuchess what its clock should read,
10575 so we bow to its notion. */
10577 timeRemaining[0][currentMove] = whiteTimeRemaining;
10578 timeRemaining[1][currentMove] = blackTimeRemaining;
10581 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10582 appData.icsEngineAnalyze) && first.analysisSupport) {
10583 SendToProgram("analyze\n", &first);
10584 first.analyzing = TRUE;
10590 * Button procedures
10593 Reset (int redraw, int init)
10597 if (appData.debugMode) {
10598 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10599 redraw, init, gameMode);
10601 CleanupTail(); // [HGM] vari: delete any stored variations
10602 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10603 pausing = pauseExamInvalid = FALSE;
10604 startedFromSetupPosition = blackPlaysFirst = FALSE;
10606 whiteFlag = blackFlag = FALSE;
10607 userOfferedDraw = FALSE;
10608 hintRequested = bookRequested = FALSE;
10609 first.maybeThinking = FALSE;
10610 second.maybeThinking = FALSE;
10611 first.bookSuspend = FALSE; // [HGM] book
10612 second.bookSuspend = FALSE;
10613 thinkOutput[0] = NULLCHAR;
10614 lastHint[0] = NULLCHAR;
10615 ClearGameInfo(&gameInfo);
10616 gameInfo.variant = StringToVariant(appData.variant);
10617 ics_user_moved = ics_clock_paused = FALSE;
10618 ics_getting_history = H_FALSE;
10620 white_holding[0] = black_holding[0] = NULLCHAR;
10621 ClearProgramStats();
10622 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10626 flipView = appData.flipView;
10627 ClearPremoveHighlights();
10628 gotPremove = FALSE;
10629 alarmSounded = FALSE;
10631 GameEnds(EndOfFile, NULL, GE_PLAYER);
10632 if(appData.serverMovesName != NULL) {
10633 /* [HGM] prepare to make moves file for broadcasting */
10634 clock_t t = clock();
10635 if(serverMoves != NULL) fclose(serverMoves);
10636 serverMoves = fopen(appData.serverMovesName, "r");
10637 if(serverMoves != NULL) {
10638 fclose(serverMoves);
10639 /* delay 15 sec before overwriting, so all clients can see end */
10640 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10642 serverMoves = fopen(appData.serverMovesName, "w");
10646 gameMode = BeginningOfGame;
10648 if(appData.icsActive) gameInfo.variant = VariantNormal;
10649 currentMove = forwardMostMove = backwardMostMove = 0;
10650 MarkTargetSquares(1);
10651 InitPosition(redraw);
10652 for (i = 0; i < MAX_MOVES; i++) {
10653 if (commentList[i] != NULL) {
10654 free(commentList[i]);
10655 commentList[i] = NULL;
10659 timeRemaining[0][0] = whiteTimeRemaining;
10660 timeRemaining[1][0] = blackTimeRemaining;
10662 if (first.pr == NoProc) {
10663 StartChessProgram(&first);
10666 InitChessProgram(&first, startedFromSetupPosition);
10669 DisplayMessage("", "");
10670 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10671 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10675 AutoPlayGameLoop ()
10678 if (!AutoPlayOneMove())
10680 if (matchMode || appData.timeDelay == 0)
10682 if (appData.timeDelay < 0)
10684 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10693 int fromX, fromY, toX, toY;
10695 if (appData.debugMode) {
10696 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10699 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10702 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10703 pvInfoList[currentMove].depth = programStats.depth;
10704 pvInfoList[currentMove].score = programStats.score;
10705 pvInfoList[currentMove].time = 0;
10706 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10709 if (currentMove >= forwardMostMove) {
10710 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10711 // gameMode = EndOfGame;
10712 // ModeHighlight();
10714 /* [AS] Clear current move marker at the end of a game */
10715 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10720 toX = moveList[currentMove][2] - AAA;
10721 toY = moveList[currentMove][3] - ONE;
10723 if (moveList[currentMove][1] == '@') {
10724 if (appData.highlightLastMove) {
10725 SetHighlights(-1, -1, toX, toY);
10728 fromX = moveList[currentMove][0] - AAA;
10729 fromY = moveList[currentMove][1] - ONE;
10731 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10733 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10735 if (appData.highlightLastMove) {
10736 SetHighlights(fromX, fromY, toX, toY);
10739 DisplayMove(currentMove);
10740 SendMoveToProgram(currentMove++, &first);
10741 DisplayBothClocks();
10742 DrawPosition(FALSE, boards[currentMove]);
10743 // [HGM] PV info: always display, routine tests if empty
10744 DisplayComment(currentMove - 1, commentList[currentMove]);
10750 LoadGameOneMove (ChessMove readAhead)
10752 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10753 char promoChar = NULLCHAR;
10754 ChessMove moveType;
10755 char move[MSG_SIZ];
10758 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10759 gameMode != AnalyzeMode && gameMode != Training) {
10764 yyboardindex = forwardMostMove;
10765 if (readAhead != EndOfFile) {
10766 moveType = readAhead;
10768 if (gameFileFP == NULL)
10770 moveType = (ChessMove) Myylex();
10774 switch (moveType) {
10776 if (appData.debugMode)
10777 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10780 /* append the comment but don't display it */
10781 AppendComment(currentMove, p, FALSE);
10784 case WhiteCapturesEnPassant:
10785 case BlackCapturesEnPassant:
10786 case WhitePromotion:
10787 case BlackPromotion:
10788 case WhiteNonPromotion:
10789 case BlackNonPromotion:
10791 case WhiteKingSideCastle:
10792 case WhiteQueenSideCastle:
10793 case BlackKingSideCastle:
10794 case BlackQueenSideCastle:
10795 case WhiteKingSideCastleWild:
10796 case WhiteQueenSideCastleWild:
10797 case BlackKingSideCastleWild:
10798 case BlackQueenSideCastleWild:
10800 case WhiteHSideCastleFR:
10801 case WhiteASideCastleFR:
10802 case BlackHSideCastleFR:
10803 case BlackASideCastleFR:
10805 if (appData.debugMode)
10806 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10807 fromX = currentMoveString[0] - AAA;
10808 fromY = currentMoveString[1] - ONE;
10809 toX = currentMoveString[2] - AAA;
10810 toY = currentMoveString[3] - ONE;
10811 promoChar = currentMoveString[4];
10816 if (appData.debugMode)
10817 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10818 fromX = moveType == WhiteDrop ?
10819 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10820 (int) CharToPiece(ToLower(currentMoveString[0]));
10822 toX = currentMoveString[2] - AAA;
10823 toY = currentMoveString[3] - ONE;
10829 case GameUnfinished:
10830 if (appData.debugMode)
10831 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10832 p = strchr(yy_text, '{');
10833 if (p == NULL) p = strchr(yy_text, '(');
10836 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10838 q = strchr(p, *p == '{' ? '}' : ')');
10839 if (q != NULL) *q = NULLCHAR;
10842 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10843 GameEnds(moveType, p, GE_FILE);
10845 if (cmailMsgLoaded) {
10847 flipView = WhiteOnMove(currentMove);
10848 if (moveType == GameUnfinished) flipView = !flipView;
10849 if (appData.debugMode)
10850 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10855 if (appData.debugMode)
10856 fprintf(debugFP, "Parser hit end of file\n");
10857 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10863 if (WhiteOnMove(currentMove)) {
10864 GameEnds(BlackWins, "Black mates", GE_FILE);
10866 GameEnds(WhiteWins, "White mates", GE_FILE);
10870 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10876 case MoveNumberOne:
10877 if (lastLoadGameStart == GNUChessGame) {
10878 /* GNUChessGames have numbers, but they aren't move numbers */
10879 if (appData.debugMode)
10880 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10881 yy_text, (int) moveType);
10882 return LoadGameOneMove(EndOfFile); /* tail recursion */
10884 /* else fall thru */
10889 /* Reached start of next game in file */
10890 if (appData.debugMode)
10891 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10892 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10898 if (WhiteOnMove(currentMove)) {
10899 GameEnds(BlackWins, "Black mates", GE_FILE);
10901 GameEnds(WhiteWins, "White mates", GE_FILE);
10905 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10911 case PositionDiagram: /* should not happen; ignore */
10912 case ElapsedTime: /* ignore */
10913 case NAG: /* ignore */
10914 if (appData.debugMode)
10915 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10916 yy_text, (int) moveType);
10917 return LoadGameOneMove(EndOfFile); /* tail recursion */
10920 if (appData.testLegality) {
10921 if (appData.debugMode)
10922 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10923 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10924 (forwardMostMove / 2) + 1,
10925 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10926 DisplayError(move, 0);
10929 if (appData.debugMode)
10930 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10931 yy_text, currentMoveString);
10932 fromX = currentMoveString[0] - AAA;
10933 fromY = currentMoveString[1] - ONE;
10934 toX = currentMoveString[2] - AAA;
10935 toY = currentMoveString[3] - ONE;
10936 promoChar = currentMoveString[4];
10940 case AmbiguousMove:
10941 if (appData.debugMode)
10942 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10943 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10944 (forwardMostMove / 2) + 1,
10945 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10946 DisplayError(move, 0);
10951 case ImpossibleMove:
10952 if (appData.debugMode)
10953 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10954 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10955 (forwardMostMove / 2) + 1,
10956 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10957 DisplayError(move, 0);
10963 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10964 DrawPosition(FALSE, boards[currentMove]);
10965 DisplayBothClocks();
10966 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10967 DisplayComment(currentMove - 1, commentList[currentMove]);
10969 (void) StopLoadGameTimer();
10971 cmailOldMove = forwardMostMove;
10974 /* currentMoveString is set as a side-effect of yylex */
10976 thinkOutput[0] = NULLCHAR;
10977 MakeMove(fromX, fromY, toX, toY, promoChar);
10978 currentMove = forwardMostMove;
10983 /* Load the nth game from the given file */
10985 LoadGameFromFile (char *filename, int n, char *title, int useList)
10990 if (strcmp(filename, "-") == 0) {
10994 f = fopen(filename, "rb");
10996 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10997 DisplayError(buf, errno);
11001 if (fseek(f, 0, 0) == -1) {
11002 /* f is not seekable; probably a pipe */
11005 if (useList && n == 0) {
11006 int error = GameListBuild(f);
11008 DisplayError(_("Cannot build game list"), error);
11009 } else if (!ListEmpty(&gameList) &&
11010 ((ListGame *) gameList.tailPred)->number > 1) {
11011 GameListPopUp(f, title);
11018 return LoadGame(f, n, title, FALSE);
11023 MakeRegisteredMove ()
11025 int fromX, fromY, toX, toY;
11027 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11028 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11031 if (appData.debugMode)
11032 fprintf(debugFP, "Restoring %s for game %d\n",
11033 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11035 thinkOutput[0] = NULLCHAR;
11036 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11037 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11038 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11039 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11040 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11041 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11042 MakeMove(fromX, fromY, toX, toY, promoChar);
11043 ShowMove(fromX, fromY, toX, toY);
11045 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11052 if (WhiteOnMove(currentMove)) {
11053 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11055 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11060 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11067 if (WhiteOnMove(currentMove)) {
11068 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11070 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11075 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11086 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11088 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11092 if (gameNumber > nCmailGames) {
11093 DisplayError(_("No more games in this message"), 0);
11096 if (f == lastLoadGameFP) {
11097 int offset = gameNumber - lastLoadGameNumber;
11099 cmailMsg[0] = NULLCHAR;
11100 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11101 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11102 nCmailMovesRegistered--;
11104 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11105 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11106 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11109 if (! RegisterMove()) return FALSE;
11113 retVal = LoadGame(f, gameNumber, title, useList);
11115 /* Make move registered during previous look at this game, if any */
11116 MakeRegisteredMove();
11118 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11119 commentList[currentMove]
11120 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11121 DisplayComment(currentMove - 1, commentList[currentMove]);
11127 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11129 ReloadGame (int offset)
11131 int gameNumber = lastLoadGameNumber + offset;
11132 if (lastLoadGameFP == NULL) {
11133 DisplayError(_("No game has been loaded yet"), 0);
11136 if (gameNumber <= 0) {
11137 DisplayError(_("Can't back up any further"), 0);
11140 if (cmailMsgLoaded) {
11141 return CmailLoadGame(lastLoadGameFP, gameNumber,
11142 lastLoadGameTitle, lastLoadGameUseList);
11144 return LoadGame(lastLoadGameFP, gameNumber,
11145 lastLoadGameTitle, lastLoadGameUseList);
11149 int keys[EmptySquare+1];
11152 PositionMatches (Board b1, Board b2)
11155 switch(appData.searchMode) {
11156 case 1: return CompareWithRights(b1, b2);
11158 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11159 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11163 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11164 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11165 sum += keys[b1[r][f]] - keys[b2[r][f]];
11169 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11170 sum += keys[b1[r][f]] - keys[b2[r][f]];
11182 int pieceList[256], quickBoard[256];
11183 ChessSquare pieceType[256] = { EmptySquare };
11184 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11185 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11186 int soughtTotal, turn;
11187 Boolean epOK, flipSearch;
11190 unsigned char piece, to;
11193 #define DSIZE (250000)
11195 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11196 Move *moveDatabase = initialSpace;
11197 unsigned int movePtr, dataSize = DSIZE;
11200 MakePieceList (Board board, int *counts)
11202 int r, f, n=Q_PROMO, total=0;
11203 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11204 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11205 int sq = f + (r<<4);
11206 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11207 quickBoard[sq] = ++n;
11209 pieceType[n] = board[r][f];
11210 counts[board[r][f]]++;
11211 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11212 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11216 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11221 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11223 int sq = fromX + (fromY<<4);
11224 int piece = quickBoard[sq];
11225 quickBoard[sq] = 0;
11226 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11227 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11228 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11229 moveDatabase[movePtr++].piece = Q_WCASTL;
11230 quickBoard[sq] = piece;
11231 piece = quickBoard[from]; quickBoard[from] = 0;
11232 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11234 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11235 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11236 moveDatabase[movePtr++].piece = Q_BCASTL;
11237 quickBoard[sq] = piece;
11238 piece = quickBoard[from]; quickBoard[from] = 0;
11239 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11241 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11242 quickBoard[(fromY<<4)+toX] = 0;
11243 moveDatabase[movePtr].piece = Q_EP;
11244 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11245 moveDatabase[movePtr].to = sq;
11247 if(promoPiece != pieceType[piece]) {
11248 moveDatabase[movePtr++].piece = Q_PROMO;
11249 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11251 moveDatabase[movePtr].piece = piece;
11252 quickBoard[sq] = piece;
11257 PackGame (Board board)
11259 Move *newSpace = NULL;
11260 moveDatabase[movePtr].piece = 0; // terminate previous game
11261 if(movePtr > dataSize) {
11262 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11263 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11264 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11267 Move *p = moveDatabase, *q = newSpace;
11268 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11269 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11270 moveDatabase = newSpace;
11271 } else { // calloc failed, we must be out of memory. Too bad...
11272 dataSize = 0; // prevent calloc events for all subsequent games
11273 return 0; // and signal this one isn't cached
11277 MakePieceList(board, counts);
11282 QuickCompare (Board board, int *minCounts, int *maxCounts)
11283 { // compare according to search mode
11285 switch(appData.searchMode)
11287 case 1: // exact position match
11288 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11289 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11290 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11293 case 2: // can have extra material on empty squares
11294 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11295 if(board[r][f] == EmptySquare) continue;
11296 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11299 case 3: // material with exact Pawn structure
11300 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11301 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11302 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11303 } // fall through to material comparison
11304 case 4: // exact material
11305 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11307 case 6: // material range with given imbalance
11308 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11309 // fall through to range comparison
11310 case 5: // material range
11311 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11317 QuickScan (Board board, Move *move)
11318 { // reconstruct game,and compare all positions in it
11319 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11321 int piece = move->piece;
11322 int to = move->to, from = pieceList[piece];
11323 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11324 if(!piece) return -1;
11325 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11326 piece = (++move)->piece;
11327 from = pieceList[piece];
11328 counts[pieceType[piece]]--;
11329 pieceType[piece] = (ChessSquare) move->to;
11330 counts[move->to]++;
11331 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11332 counts[pieceType[quickBoard[to]]]--;
11333 quickBoard[to] = 0; total--;
11336 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11337 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11338 from = pieceList[piece]; // so this must be King
11339 quickBoard[from] = 0;
11340 quickBoard[to] = piece;
11341 pieceList[piece] = to;
11346 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11347 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11348 quickBoard[from] = 0;
11349 quickBoard[to] = piece;
11350 pieceList[piece] = to;
11352 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11353 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11354 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11355 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11357 static int lastCounts[EmptySquare+1];
11359 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11360 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11361 } else stretch = 0;
11362 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11371 flipSearch = FALSE;
11372 CopyBoard(soughtBoard, boards[currentMove]);
11373 soughtTotal = MakePieceList(soughtBoard, maxSought);
11374 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11375 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11376 CopyBoard(reverseBoard, boards[currentMove]);
11377 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11378 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11379 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11380 reverseBoard[r][f] = piece;
11382 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11383 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11384 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11385 || (boards[currentMove][CASTLING][2] == NoRights ||
11386 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11387 && (boards[currentMove][CASTLING][5] == NoRights ||
11388 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11391 CopyBoard(flipBoard, soughtBoard);
11392 CopyBoard(rotateBoard, reverseBoard);
11393 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11394 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11395 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11398 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11399 if(appData.searchMode >= 5) {
11400 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11401 MakePieceList(soughtBoard, minSought);
11402 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11404 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11405 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11408 GameInfo dummyInfo;
11411 GameContainsPosition (FILE *f, ListGame *lg)
11413 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11414 int fromX, fromY, toX, toY;
11416 static int initDone=FALSE;
11418 // weed out games based on numerical tag comparison
11419 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11420 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11421 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11422 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11424 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11427 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11428 else CopyBoard(boards[scratch], initialPosition); // default start position
11431 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11432 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11435 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11436 fseek(f, lg->offset, 0);
11439 yyboardindex = scratch;
11440 quickFlag = plyNr+1;
11445 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11451 if(plyNr) return -1; // after we have seen moves, this is for new game
11454 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11455 case ImpossibleMove:
11456 case WhiteWins: // game ends here with these four
11459 case GameUnfinished:
11463 if(appData.testLegality) return -1;
11464 case WhiteCapturesEnPassant:
11465 case BlackCapturesEnPassant:
11466 case WhitePromotion:
11467 case BlackPromotion:
11468 case WhiteNonPromotion:
11469 case BlackNonPromotion:
11471 case WhiteKingSideCastle:
11472 case WhiteQueenSideCastle:
11473 case BlackKingSideCastle:
11474 case BlackQueenSideCastle:
11475 case WhiteKingSideCastleWild:
11476 case WhiteQueenSideCastleWild:
11477 case BlackKingSideCastleWild:
11478 case BlackQueenSideCastleWild:
11479 case WhiteHSideCastleFR:
11480 case WhiteASideCastleFR:
11481 case BlackHSideCastleFR:
11482 case BlackASideCastleFR:
11483 fromX = currentMoveString[0] - AAA;
11484 fromY = currentMoveString[1] - ONE;
11485 toX = currentMoveString[2] - AAA;
11486 toY = currentMoveString[3] - ONE;
11487 promoChar = currentMoveString[4];
11491 fromX = next == WhiteDrop ?
11492 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11493 (int) CharToPiece(ToLower(currentMoveString[0]));
11495 toX = currentMoveString[2] - AAA;
11496 toY = currentMoveString[3] - ONE;
11500 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11502 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11503 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11504 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11505 if(appData.findMirror) {
11506 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11507 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11512 /* Load the nth game from open file f */
11514 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11518 int gn = gameNumber;
11519 ListGame *lg = NULL;
11520 int numPGNTags = 0;
11522 GameMode oldGameMode;
11523 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11525 if (appData.debugMode)
11526 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11528 if (gameMode == Training )
11529 SetTrainingModeOff();
11531 oldGameMode = gameMode;
11532 if (gameMode != BeginningOfGame) {
11533 Reset(FALSE, TRUE);
11537 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11538 fclose(lastLoadGameFP);
11542 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11545 fseek(f, lg->offset, 0);
11546 GameListHighlight(gameNumber);
11547 pos = lg->position;
11551 DisplayError(_("Game number out of range"), 0);
11556 if (fseek(f, 0, 0) == -1) {
11557 if (f == lastLoadGameFP ?
11558 gameNumber == lastLoadGameNumber + 1 :
11562 DisplayError(_("Can't seek on game file"), 0);
11567 lastLoadGameFP = f;
11568 lastLoadGameNumber = gameNumber;
11569 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11570 lastLoadGameUseList = useList;
11574 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11575 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11576 lg->gameInfo.black);
11578 } else if (*title != NULLCHAR) {
11579 if (gameNumber > 1) {
11580 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11583 DisplayTitle(title);
11587 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11588 gameMode = PlayFromGameFile;
11592 currentMove = forwardMostMove = backwardMostMove = 0;
11593 CopyBoard(boards[0], initialPosition);
11597 * Skip the first gn-1 games in the file.
11598 * Also skip over anything that precedes an identifiable
11599 * start of game marker, to avoid being confused by
11600 * garbage at the start of the file. Currently
11601 * recognized start of game markers are the move number "1",
11602 * the pattern "gnuchess .* game", the pattern
11603 * "^[#;%] [^ ]* game file", and a PGN tag block.
11604 * A game that starts with one of the latter two patterns
11605 * will also have a move number 1, possibly
11606 * following a position diagram.
11607 * 5-4-02: Let's try being more lenient and allowing a game to
11608 * start with an unnumbered move. Does that break anything?
11610 cm = lastLoadGameStart = EndOfFile;
11612 yyboardindex = forwardMostMove;
11613 cm = (ChessMove) Myylex();
11616 if (cmailMsgLoaded) {
11617 nCmailGames = CMAIL_MAX_GAMES - gn;
11620 DisplayError(_("Game not found in file"), 0);
11627 lastLoadGameStart = cm;
11630 case MoveNumberOne:
11631 switch (lastLoadGameStart) {
11636 case MoveNumberOne:
11638 gn--; /* count this game */
11639 lastLoadGameStart = cm;
11648 switch (lastLoadGameStart) {
11651 case MoveNumberOne:
11653 gn--; /* count this game */
11654 lastLoadGameStart = cm;
11657 lastLoadGameStart = cm; /* game counted already */
11665 yyboardindex = forwardMostMove;
11666 cm = (ChessMove) Myylex();
11667 } while (cm == PGNTag || cm == Comment);
11674 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11675 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11676 != CMAIL_OLD_RESULT) {
11678 cmailResult[ CMAIL_MAX_GAMES
11679 - gn - 1] = CMAIL_OLD_RESULT;
11685 /* Only a NormalMove can be at the start of a game
11686 * without a position diagram. */
11687 if (lastLoadGameStart == EndOfFile ) {
11689 lastLoadGameStart = MoveNumberOne;
11698 if (appData.debugMode)
11699 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11701 if (cm == XBoardGame) {
11702 /* Skip any header junk before position diagram and/or move 1 */
11704 yyboardindex = forwardMostMove;
11705 cm = (ChessMove) Myylex();
11707 if (cm == EndOfFile ||
11708 cm == GNUChessGame || cm == XBoardGame) {
11709 /* Empty game; pretend end-of-file and handle later */
11714 if (cm == MoveNumberOne || cm == PositionDiagram ||
11715 cm == PGNTag || cm == Comment)
11718 } else if (cm == GNUChessGame) {
11719 if (gameInfo.event != NULL) {
11720 free(gameInfo.event);
11722 gameInfo.event = StrSave(yy_text);
11725 startedFromSetupPosition = FALSE;
11726 while (cm == PGNTag) {
11727 if (appData.debugMode)
11728 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11729 err = ParsePGNTag(yy_text, &gameInfo);
11730 if (!err) numPGNTags++;
11732 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11733 if(gameInfo.variant != oldVariant) {
11734 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11735 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11736 InitPosition(TRUE);
11737 oldVariant = gameInfo.variant;
11738 if (appData.debugMode)
11739 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11743 if (gameInfo.fen != NULL) {
11744 Board initial_position;
11745 startedFromSetupPosition = TRUE;
11746 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11748 DisplayError(_("Bad FEN position in file"), 0);
11751 CopyBoard(boards[0], initial_position);
11752 if (blackPlaysFirst) {
11753 currentMove = forwardMostMove = backwardMostMove = 1;
11754 CopyBoard(boards[1], initial_position);
11755 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11756 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11757 timeRemaining[0][1] = whiteTimeRemaining;
11758 timeRemaining[1][1] = blackTimeRemaining;
11759 if (commentList[0] != NULL) {
11760 commentList[1] = commentList[0];
11761 commentList[0] = NULL;
11764 currentMove = forwardMostMove = backwardMostMove = 0;
11766 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11768 initialRulePlies = FENrulePlies;
11769 for( i=0; i< nrCastlingRights; i++ )
11770 initialRights[i] = initial_position[CASTLING][i];
11772 yyboardindex = forwardMostMove;
11773 free(gameInfo.fen);
11774 gameInfo.fen = NULL;
11777 yyboardindex = forwardMostMove;
11778 cm = (ChessMove) Myylex();
11780 /* Handle comments interspersed among the tags */
11781 while (cm == Comment) {
11783 if (appData.debugMode)
11784 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11786 AppendComment(currentMove, p, FALSE);
11787 yyboardindex = forwardMostMove;
11788 cm = (ChessMove) Myylex();
11792 /* don't rely on existence of Event tag since if game was
11793 * pasted from clipboard the Event tag may not exist
11795 if (numPGNTags > 0){
11797 if (gameInfo.variant == VariantNormal) {
11798 VariantClass v = StringToVariant(gameInfo.event);
11799 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11800 if(v < VariantShogi) gameInfo.variant = v;
11803 if( appData.autoDisplayTags ) {
11804 tags = PGNTags(&gameInfo);
11805 TagsPopUp(tags, CmailMsg());
11810 /* Make something up, but don't display it now */
11815 if (cm == PositionDiagram) {
11818 Board initial_position;
11820 if (appData.debugMode)
11821 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11823 if (!startedFromSetupPosition) {
11825 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11826 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11837 initial_position[i][j++] = CharToPiece(*p);
11840 while (*p == ' ' || *p == '\t' ||
11841 *p == '\n' || *p == '\r') p++;
11843 if (strncmp(p, "black", strlen("black"))==0)
11844 blackPlaysFirst = TRUE;
11846 blackPlaysFirst = FALSE;
11847 startedFromSetupPosition = TRUE;
11849 CopyBoard(boards[0], initial_position);
11850 if (blackPlaysFirst) {
11851 currentMove = forwardMostMove = backwardMostMove = 1;
11852 CopyBoard(boards[1], initial_position);
11853 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11854 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11855 timeRemaining[0][1] = whiteTimeRemaining;
11856 timeRemaining[1][1] = blackTimeRemaining;
11857 if (commentList[0] != NULL) {
11858 commentList[1] = commentList[0];
11859 commentList[0] = NULL;
11862 currentMove = forwardMostMove = backwardMostMove = 0;
11865 yyboardindex = forwardMostMove;
11866 cm = (ChessMove) Myylex();
11869 if (first.pr == NoProc) {
11870 StartChessProgram(&first);
11872 InitChessProgram(&first, FALSE);
11873 SendToProgram("force\n", &first);
11874 if (startedFromSetupPosition) {
11875 SendBoard(&first, forwardMostMove);
11876 if (appData.debugMode) {
11877 fprintf(debugFP, "Load Game\n");
11879 DisplayBothClocks();
11882 /* [HGM] server: flag to write setup moves in broadcast file as one */
11883 loadFlag = appData.suppressLoadMoves;
11885 while (cm == Comment) {
11887 if (appData.debugMode)
11888 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11890 AppendComment(currentMove, p, FALSE);
11891 yyboardindex = forwardMostMove;
11892 cm = (ChessMove) Myylex();
11895 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11896 cm == WhiteWins || cm == BlackWins ||
11897 cm == GameIsDrawn || cm == GameUnfinished) {
11898 DisplayMessage("", _("No moves in game"));
11899 if (cmailMsgLoaded) {
11900 if (appData.debugMode)
11901 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11905 DrawPosition(FALSE, boards[currentMove]);
11906 DisplayBothClocks();
11907 gameMode = EditGame;
11914 // [HGM] PV info: routine tests if comment empty
11915 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11916 DisplayComment(currentMove - 1, commentList[currentMove]);
11918 if (!matchMode && appData.timeDelay != 0)
11919 DrawPosition(FALSE, boards[currentMove]);
11921 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11922 programStats.ok_to_send = 1;
11925 /* if the first token after the PGN tags is a move
11926 * and not move number 1, retrieve it from the parser
11928 if (cm != MoveNumberOne)
11929 LoadGameOneMove(cm);
11931 /* load the remaining moves from the file */
11932 while (LoadGameOneMove(EndOfFile)) {
11933 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11934 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11937 /* rewind to the start of the game */
11938 currentMove = backwardMostMove;
11940 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11942 if (oldGameMode == AnalyzeFile ||
11943 oldGameMode == AnalyzeMode) {
11944 AnalyzeFileEvent();
11947 if (!matchMode && pos >= 0) {
11948 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11950 if (matchMode || appData.timeDelay == 0) {
11952 } else if (appData.timeDelay > 0) {
11953 AutoPlayGameLoop();
11956 if (appData.debugMode)
11957 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11959 loadFlag = 0; /* [HGM] true game starts */
11963 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11965 ReloadPosition (int offset)
11967 int positionNumber = lastLoadPositionNumber + offset;
11968 if (lastLoadPositionFP == NULL) {
11969 DisplayError(_("No position has been loaded yet"), 0);
11972 if (positionNumber <= 0) {
11973 DisplayError(_("Can't back up any further"), 0);
11976 return LoadPosition(lastLoadPositionFP, positionNumber,
11977 lastLoadPositionTitle);
11980 /* Load the nth position from the given file */
11982 LoadPositionFromFile (char *filename, int n, char *title)
11987 if (strcmp(filename, "-") == 0) {
11988 return LoadPosition(stdin, n, "stdin");
11990 f = fopen(filename, "rb");
11992 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11993 DisplayError(buf, errno);
11996 return LoadPosition(f, n, title);
12001 /* Load the nth position from the given open file, and close it */
12003 LoadPosition (FILE *f, int positionNumber, char *title)
12005 char *p, line[MSG_SIZ];
12006 Board initial_position;
12007 int i, j, fenMode, pn;
12009 if (gameMode == Training )
12010 SetTrainingModeOff();
12012 if (gameMode != BeginningOfGame) {
12013 Reset(FALSE, TRUE);
12015 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12016 fclose(lastLoadPositionFP);
12018 if (positionNumber == 0) positionNumber = 1;
12019 lastLoadPositionFP = f;
12020 lastLoadPositionNumber = positionNumber;
12021 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12022 if (first.pr == NoProc && !appData.noChessProgram) {
12023 StartChessProgram(&first);
12024 InitChessProgram(&first, FALSE);
12026 pn = positionNumber;
12027 if (positionNumber < 0) {
12028 /* Negative position number means to seek to that byte offset */
12029 if (fseek(f, -positionNumber, 0) == -1) {
12030 DisplayError(_("Can't seek on position file"), 0);
12035 if (fseek(f, 0, 0) == -1) {
12036 if (f == lastLoadPositionFP ?
12037 positionNumber == lastLoadPositionNumber + 1 :
12038 positionNumber == 1) {
12041 DisplayError(_("Can't seek on position file"), 0);
12046 /* See if this file is FEN or old-style xboard */
12047 if (fgets(line, MSG_SIZ, f) == NULL) {
12048 DisplayError(_("Position not found in file"), 0);
12051 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12052 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12055 if (fenMode || line[0] == '#') pn--;
12057 /* skip positions before number pn */
12058 if (fgets(line, MSG_SIZ, f) == NULL) {
12060 DisplayError(_("Position not found in file"), 0);
12063 if (fenMode || line[0] == '#') pn--;
12068 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12069 DisplayError(_("Bad FEN position in file"), 0);
12073 (void) fgets(line, MSG_SIZ, f);
12074 (void) fgets(line, MSG_SIZ, f);
12076 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12077 (void) fgets(line, MSG_SIZ, f);
12078 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12081 initial_position[i][j++] = CharToPiece(*p);
12085 blackPlaysFirst = FALSE;
12087 (void) fgets(line, MSG_SIZ, f);
12088 if (strncmp(line, "black", strlen("black"))==0)
12089 blackPlaysFirst = TRUE;
12092 startedFromSetupPosition = TRUE;
12094 CopyBoard(boards[0], initial_position);
12095 if (blackPlaysFirst) {
12096 currentMove = forwardMostMove = backwardMostMove = 1;
12097 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12098 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12099 CopyBoard(boards[1], initial_position);
12100 DisplayMessage("", _("Black to play"));
12102 currentMove = forwardMostMove = backwardMostMove = 0;
12103 DisplayMessage("", _("White to play"));
12105 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12106 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12107 SendToProgram("force\n", &first);
12108 SendBoard(&first, forwardMostMove);
12110 if (appData.debugMode) {
12112 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12113 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12114 fprintf(debugFP, "Load Position\n");
12117 if (positionNumber > 1) {
12118 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12119 DisplayTitle(line);
12121 DisplayTitle(title);
12123 gameMode = EditGame;
12126 timeRemaining[0][1] = whiteTimeRemaining;
12127 timeRemaining[1][1] = blackTimeRemaining;
12128 DrawPosition(FALSE, boards[currentMove]);
12135 CopyPlayerNameIntoFileName (char **dest, char *src)
12137 while (*src != NULLCHAR && *src != ',') {
12142 *(*dest)++ = *src++;
12148 DefaultFileName (char *ext)
12150 static char def[MSG_SIZ];
12153 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12155 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12157 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12159 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12166 /* Save the current game to the given file */
12168 SaveGameToFile (char *filename, int append)
12172 int result, i, t,tot=0;
12174 if (strcmp(filename, "-") == 0) {
12175 return SaveGame(stdout, 0, NULL);
12177 for(i=0; i<10; i++) { // upto 10 tries
12178 f = fopen(filename, append ? "a" : "w");
12179 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12180 if(f || errno != 13) break;
12181 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12185 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12186 DisplayError(buf, errno);
12189 safeStrCpy(buf, lastMsg, MSG_SIZ);
12190 DisplayMessage(_("Waiting for access to save file"), "");
12191 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12192 DisplayMessage(_("Saving game"), "");
12193 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12194 result = SaveGame(f, 0, NULL);
12195 DisplayMessage(buf, "");
12202 SavePart (char *str)
12204 static char buf[MSG_SIZ];
12207 p = strchr(str, ' ');
12208 if (p == NULL) return str;
12209 strncpy(buf, str, p - str);
12210 buf[p - str] = NULLCHAR;
12214 #define PGN_MAX_LINE 75
12216 #define PGN_SIDE_WHITE 0
12217 #define PGN_SIDE_BLACK 1
12220 FindFirstMoveOutOfBook (int side)
12224 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12225 int index = backwardMostMove;
12226 int has_book_hit = 0;
12228 if( (index % 2) != side ) {
12232 while( index < forwardMostMove ) {
12233 /* Check to see if engine is in book */
12234 int depth = pvInfoList[index].depth;
12235 int score = pvInfoList[index].score;
12241 else if( score == 0 && depth == 63 ) {
12242 in_book = 1; /* Zappa */
12244 else if( score == 2 && depth == 99 ) {
12245 in_book = 1; /* Abrok */
12248 has_book_hit += in_book;
12264 GetOutOfBookInfo (char * buf)
12268 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12270 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12271 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12275 if( oob[0] >= 0 || oob[1] >= 0 ) {
12276 for( i=0; i<2; i++ ) {
12280 if( i > 0 && oob[0] >= 0 ) {
12281 strcat( buf, " " );
12284 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12285 sprintf( buf+strlen(buf), "%s%.2f",
12286 pvInfoList[idx].score >= 0 ? "+" : "",
12287 pvInfoList[idx].score / 100.0 );
12293 /* Save game in PGN style and close the file */
12295 SaveGamePGN (FILE *f)
12297 int i, offset, linelen, newblock;
12301 int movelen, numlen, blank;
12302 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12304 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12306 tm = time((time_t *) NULL);
12308 PrintPGNTags(f, &gameInfo);
12310 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12312 if (backwardMostMove > 0 || startedFromSetupPosition) {
12313 char *fen = PositionToFEN(backwardMostMove, NULL);
12314 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12315 fprintf(f, "\n{--------------\n");
12316 PrintPosition(f, backwardMostMove);
12317 fprintf(f, "--------------}\n");
12321 /* [AS] Out of book annotation */
12322 if( appData.saveOutOfBookInfo ) {
12325 GetOutOfBookInfo( buf );
12327 if( buf[0] != '\0' ) {
12328 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12335 i = backwardMostMove;
12339 while (i < forwardMostMove) {
12340 /* Print comments preceding this move */
12341 if (commentList[i] != NULL) {
12342 if (linelen > 0) fprintf(f, "\n");
12343 fprintf(f, "%s", commentList[i]);
12348 /* Format move number */
12350 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12353 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12355 numtext[0] = NULLCHAR;
12357 numlen = strlen(numtext);
12360 /* Print move number */
12361 blank = linelen > 0 && numlen > 0;
12362 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12371 fprintf(f, "%s", numtext);
12375 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12376 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12379 blank = linelen > 0 && movelen > 0;
12380 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12389 fprintf(f, "%s", move_buffer);
12390 linelen += movelen;
12392 /* [AS] Add PV info if present */
12393 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12394 /* [HGM] add time */
12395 char buf[MSG_SIZ]; int seconds;
12397 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12403 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12406 seconds = (seconds + 4)/10; // round to full seconds
12408 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12410 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12413 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12414 pvInfoList[i].score >= 0 ? "+" : "",
12415 pvInfoList[i].score / 100.0,
12416 pvInfoList[i].depth,
12419 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12421 /* Print score/depth */
12422 blank = linelen > 0 && movelen > 0;
12423 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12432 fprintf(f, "%s", move_buffer);
12433 linelen += movelen;
12439 /* Start a new line */
12440 if (linelen > 0) fprintf(f, "\n");
12442 /* Print comments after last move */
12443 if (commentList[i] != NULL) {
12444 fprintf(f, "%s\n", commentList[i]);
12448 if (gameInfo.resultDetails != NULL &&
12449 gameInfo.resultDetails[0] != NULLCHAR) {
12450 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12451 PGNResult(gameInfo.result));
12453 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12457 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12461 /* Save game in old style and close the file */
12463 SaveGameOldStyle (FILE *f)
12468 tm = time((time_t *) NULL);
12470 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12473 if (backwardMostMove > 0 || startedFromSetupPosition) {
12474 fprintf(f, "\n[--------------\n");
12475 PrintPosition(f, backwardMostMove);
12476 fprintf(f, "--------------]\n");
12481 i = backwardMostMove;
12482 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12484 while (i < forwardMostMove) {
12485 if (commentList[i] != NULL) {
12486 fprintf(f, "[%s]\n", commentList[i]);
12489 if ((i % 2) == 1) {
12490 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12493 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12495 if (commentList[i] != NULL) {
12499 if (i >= forwardMostMove) {
12503 fprintf(f, "%s\n", parseList[i]);
12508 if (commentList[i] != NULL) {
12509 fprintf(f, "[%s]\n", commentList[i]);
12512 /* This isn't really the old style, but it's close enough */
12513 if (gameInfo.resultDetails != NULL &&
12514 gameInfo.resultDetails[0] != NULLCHAR) {
12515 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12516 gameInfo.resultDetails);
12518 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12525 /* Save the current game to open file f and close the file */
12527 SaveGame (FILE *f, int dummy, char *dummy2)
12529 if (gameMode == EditPosition) EditPositionDone(TRUE);
12530 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12531 if (appData.oldSaveStyle)
12532 return SaveGameOldStyle(f);
12534 return SaveGamePGN(f);
12537 /* Save the current position to the given file */
12539 SavePositionToFile (char *filename)
12544 if (strcmp(filename, "-") == 0) {
12545 return SavePosition(stdout, 0, NULL);
12547 f = fopen(filename, "a");
12549 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12550 DisplayError(buf, errno);
12553 safeStrCpy(buf, lastMsg, MSG_SIZ);
12554 DisplayMessage(_("Waiting for access to save file"), "");
12555 flock(fileno(f), LOCK_EX); // [HGM] lock
12556 DisplayMessage(_("Saving position"), "");
12557 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12558 SavePosition(f, 0, NULL);
12559 DisplayMessage(buf, "");
12565 /* Save the current position to the given open file and close the file */
12567 SavePosition (FILE *f, int dummy, char *dummy2)
12572 if (gameMode == EditPosition) EditPositionDone(TRUE);
12573 if (appData.oldSaveStyle) {
12574 tm = time((time_t *) NULL);
12576 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12578 fprintf(f, "[--------------\n");
12579 PrintPosition(f, currentMove);
12580 fprintf(f, "--------------]\n");
12582 fen = PositionToFEN(currentMove, NULL);
12583 fprintf(f, "%s\n", fen);
12591 ReloadCmailMsgEvent (int unregister)
12594 static char *inFilename = NULL;
12595 static char *outFilename;
12597 struct stat inbuf, outbuf;
12600 /* Any registered moves are unregistered if unregister is set, */
12601 /* i.e. invoked by the signal handler */
12603 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12604 cmailMoveRegistered[i] = FALSE;
12605 if (cmailCommentList[i] != NULL) {
12606 free(cmailCommentList[i]);
12607 cmailCommentList[i] = NULL;
12610 nCmailMovesRegistered = 0;
12613 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12614 cmailResult[i] = CMAIL_NOT_RESULT;
12618 if (inFilename == NULL) {
12619 /* Because the filenames are static they only get malloced once */
12620 /* and they never get freed */
12621 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12622 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12624 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12625 sprintf(outFilename, "%s.out", appData.cmailGameName);
12628 status = stat(outFilename, &outbuf);
12630 cmailMailedMove = FALSE;
12632 status = stat(inFilename, &inbuf);
12633 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12636 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12637 counts the games, notes how each one terminated, etc.
12639 It would be nice to remove this kludge and instead gather all
12640 the information while building the game list. (And to keep it
12641 in the game list nodes instead of having a bunch of fixed-size
12642 parallel arrays.) Note this will require getting each game's
12643 termination from the PGN tags, as the game list builder does
12644 not process the game moves. --mann
12646 cmailMsgLoaded = TRUE;
12647 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12649 /* Load first game in the file or popup game menu */
12650 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12652 #endif /* !WIN32 */
12660 char string[MSG_SIZ];
12662 if ( cmailMailedMove
12663 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12664 return TRUE; /* Allow free viewing */
12667 /* Unregister move to ensure that we don't leave RegisterMove */
12668 /* with the move registered when the conditions for registering no */
12670 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12671 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12672 nCmailMovesRegistered --;
12674 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12676 free(cmailCommentList[lastLoadGameNumber - 1]);
12677 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12681 if (cmailOldMove == -1) {
12682 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12686 if (currentMove > cmailOldMove + 1) {
12687 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12691 if (currentMove < cmailOldMove) {
12692 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12696 if (forwardMostMove > currentMove) {
12697 /* Silently truncate extra moves */
12701 if ( (currentMove == cmailOldMove + 1)
12702 || ( (currentMove == cmailOldMove)
12703 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12704 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12705 if (gameInfo.result != GameUnfinished) {
12706 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12709 if (commentList[currentMove] != NULL) {
12710 cmailCommentList[lastLoadGameNumber - 1]
12711 = StrSave(commentList[currentMove]);
12713 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12715 if (appData.debugMode)
12716 fprintf(debugFP, "Saving %s for game %d\n",
12717 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12719 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12721 f = fopen(string, "w");
12722 if (appData.oldSaveStyle) {
12723 SaveGameOldStyle(f); /* also closes the file */
12725 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12726 f = fopen(string, "w");
12727 SavePosition(f, 0, NULL); /* also closes the file */
12729 fprintf(f, "{--------------\n");
12730 PrintPosition(f, currentMove);
12731 fprintf(f, "--------------}\n\n");
12733 SaveGame(f, 0, NULL); /* also closes the file*/
12736 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12737 nCmailMovesRegistered ++;
12738 } else if (nCmailGames == 1) {
12739 DisplayError(_("You have not made a move yet"), 0);
12750 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12751 FILE *commandOutput;
12752 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12753 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12759 if (! cmailMsgLoaded) {
12760 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12764 if (nCmailGames == nCmailResults) {
12765 DisplayError(_("No unfinished games"), 0);
12769 #if CMAIL_PROHIBIT_REMAIL
12770 if (cmailMailedMove) {
12771 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);
12772 DisplayError(msg, 0);
12777 if (! (cmailMailedMove || RegisterMove())) return;
12779 if ( cmailMailedMove
12780 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12781 snprintf(string, MSG_SIZ, partCommandString,
12782 appData.debugMode ? " -v" : "", appData.cmailGameName);
12783 commandOutput = popen(string, "r");
12785 if (commandOutput == NULL) {
12786 DisplayError(_("Failed to invoke cmail"), 0);
12788 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12789 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12791 if (nBuffers > 1) {
12792 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12793 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12794 nBytes = MSG_SIZ - 1;
12796 (void) memcpy(msg, buffer, nBytes);
12798 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12800 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12801 cmailMailedMove = TRUE; /* Prevent >1 moves */
12804 for (i = 0; i < nCmailGames; i ++) {
12805 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12810 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12812 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12814 appData.cmailGameName,
12816 LoadGameFromFile(buffer, 1, buffer, FALSE);
12817 cmailMsgLoaded = FALSE;
12821 DisplayInformation(msg);
12822 pclose(commandOutput);
12825 if ((*cmailMsg) != '\0') {
12826 DisplayInformation(cmailMsg);
12831 #endif /* !WIN32 */
12840 int prependComma = 0;
12842 char string[MSG_SIZ]; /* Space for game-list */
12845 if (!cmailMsgLoaded) return "";
12847 if (cmailMailedMove) {
12848 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12850 /* Create a list of games left */
12851 snprintf(string, MSG_SIZ, "[");
12852 for (i = 0; i < nCmailGames; i ++) {
12853 if (! ( cmailMoveRegistered[i]
12854 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12855 if (prependComma) {
12856 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12858 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12862 strcat(string, number);
12865 strcat(string, "]");
12867 if (nCmailMovesRegistered + nCmailResults == 0) {
12868 switch (nCmailGames) {
12870 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12874 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12878 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12883 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12885 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12890 if (nCmailResults == nCmailGames) {
12891 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12893 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12898 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12910 if (gameMode == Training)
12911 SetTrainingModeOff();
12914 cmailMsgLoaded = FALSE;
12915 if (appData.icsActive) {
12916 SendToICS(ics_prefix);
12917 SendToICS("refresh\n");
12922 ExitEvent (int status)
12926 /* Give up on clean exit */
12930 /* Keep trying for clean exit */
12934 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12936 if (telnetISR != NULL) {
12937 RemoveInputSource(telnetISR);
12939 if (icsPR != NoProc) {
12940 DestroyChildProcess(icsPR, TRUE);
12943 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12944 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12946 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12947 /* make sure this other one finishes before killing it! */
12948 if(endingGame) { int count = 0;
12949 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12950 while(endingGame && count++ < 10) DoSleep(1);
12951 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12954 /* Kill off chess programs */
12955 if (first.pr != NoProc) {
12958 DoSleep( appData.delayBeforeQuit );
12959 SendToProgram("quit\n", &first);
12960 DoSleep( appData.delayAfterQuit );
12961 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12963 if (second.pr != NoProc) {
12964 DoSleep( appData.delayBeforeQuit );
12965 SendToProgram("quit\n", &second);
12966 DoSleep( appData.delayAfterQuit );
12967 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12969 if (first.isr != NULL) {
12970 RemoveInputSource(first.isr);
12972 if (second.isr != NULL) {
12973 RemoveInputSource(second.isr);
12976 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12977 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12979 ShutDownFrontEnd();
12986 if (appData.debugMode)
12987 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12991 if (gameMode == MachinePlaysWhite ||
12992 gameMode == MachinePlaysBlack) {
12995 DisplayBothClocks();
12997 if (gameMode == PlayFromGameFile) {
12998 if (appData.timeDelay >= 0)
12999 AutoPlayGameLoop();
13000 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13001 Reset(FALSE, TRUE);
13002 SendToICS(ics_prefix);
13003 SendToICS("refresh\n");
13004 } else if (currentMove < forwardMostMove) {
13005 ForwardInner(forwardMostMove);
13007 pauseExamInvalid = FALSE;
13009 switch (gameMode) {
13013 pauseExamForwardMostMove = forwardMostMove;
13014 pauseExamInvalid = FALSE;
13017 case IcsPlayingWhite:
13018 case IcsPlayingBlack:
13022 case PlayFromGameFile:
13023 (void) StopLoadGameTimer();
13027 case BeginningOfGame:
13028 if (appData.icsActive) return;
13029 /* else fall through */
13030 case MachinePlaysWhite:
13031 case MachinePlaysBlack:
13032 case TwoMachinesPlay:
13033 if (forwardMostMove == 0)
13034 return; /* don't pause if no one has moved */
13035 if ((gameMode == MachinePlaysWhite &&
13036 !WhiteOnMove(forwardMostMove)) ||
13037 (gameMode == MachinePlaysBlack &&
13038 WhiteOnMove(forwardMostMove))) {
13049 EditCommentEvent ()
13051 char title[MSG_SIZ];
13053 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13054 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13056 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13057 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13058 parseList[currentMove - 1]);
13061 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13068 char *tags = PGNTags(&gameInfo);
13070 EditTagsPopUp(tags, NULL);
13075 AnalyzeModeEvent ()
13077 if (appData.noChessProgram || gameMode == AnalyzeMode)
13080 if (gameMode != AnalyzeFile) {
13081 if (!appData.icsEngineAnalyze) {
13083 if (gameMode != EditGame) return;
13085 ResurrectChessProgram();
13086 SendToProgram("analyze\n", &first);
13087 first.analyzing = TRUE;
13088 /*first.maybeThinking = TRUE;*/
13089 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13090 EngineOutputPopUp();
13092 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13097 StartAnalysisClock();
13098 GetTimeMark(&lastNodeCountTime);
13103 AnalyzeFileEvent ()
13105 if (appData.noChessProgram || gameMode == AnalyzeFile)
13108 if (gameMode != AnalyzeMode) {
13110 if (gameMode != EditGame) return;
13111 ResurrectChessProgram();
13112 SendToProgram("analyze\n", &first);
13113 first.analyzing = TRUE;
13114 /*first.maybeThinking = TRUE;*/
13115 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13116 EngineOutputPopUp();
13118 gameMode = AnalyzeFile;
13123 StartAnalysisClock();
13124 GetTimeMark(&lastNodeCountTime);
13126 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13130 MachineWhiteEvent ()
13133 char *bookHit = NULL;
13135 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13139 if (gameMode == PlayFromGameFile ||
13140 gameMode == TwoMachinesPlay ||
13141 gameMode == Training ||
13142 gameMode == AnalyzeMode ||
13143 gameMode == EndOfGame)
13146 if (gameMode == EditPosition)
13147 EditPositionDone(TRUE);
13149 if (!WhiteOnMove(currentMove)) {
13150 DisplayError(_("It is not White's turn"), 0);
13154 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13157 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13158 gameMode == AnalyzeFile)
13161 ResurrectChessProgram(); /* in case it isn't running */
13162 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13163 gameMode = MachinePlaysWhite;
13166 gameMode = MachinePlaysWhite;
13170 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13172 if (first.sendName) {
13173 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13174 SendToProgram(buf, &first);
13176 if (first.sendTime) {
13177 if (first.useColors) {
13178 SendToProgram("black\n", &first); /*gnu kludge*/
13180 SendTimeRemaining(&first, TRUE);
13182 if (first.useColors) {
13183 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13185 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13186 SetMachineThinkingEnables();
13187 first.maybeThinking = TRUE;
13191 if (appData.autoFlipView && !flipView) {
13192 flipView = !flipView;
13193 DrawPosition(FALSE, NULL);
13194 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13197 if(bookHit) { // [HGM] book: simulate book reply
13198 static char bookMove[MSG_SIZ]; // a bit generous?
13200 programStats.nodes = programStats.depth = programStats.time =
13201 programStats.score = programStats.got_only_move = 0;
13202 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13204 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13205 strcat(bookMove, bookHit);
13206 HandleMachineMove(bookMove, &first);
13211 MachineBlackEvent ()
13214 char *bookHit = NULL;
13216 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13220 if (gameMode == PlayFromGameFile ||
13221 gameMode == TwoMachinesPlay ||
13222 gameMode == Training ||
13223 gameMode == AnalyzeMode ||
13224 gameMode == EndOfGame)
13227 if (gameMode == EditPosition)
13228 EditPositionDone(TRUE);
13230 if (WhiteOnMove(currentMove)) {
13231 DisplayError(_("It is not Black's turn"), 0);
13235 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13238 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13239 gameMode == AnalyzeFile)
13242 ResurrectChessProgram(); /* in case it isn't running */
13243 gameMode = MachinePlaysBlack;
13247 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13249 if (first.sendName) {
13250 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13251 SendToProgram(buf, &first);
13253 if (first.sendTime) {
13254 if (first.useColors) {
13255 SendToProgram("white\n", &first); /*gnu kludge*/
13257 SendTimeRemaining(&first, FALSE);
13259 if (first.useColors) {
13260 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13262 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13263 SetMachineThinkingEnables();
13264 first.maybeThinking = TRUE;
13267 if (appData.autoFlipView && flipView) {
13268 flipView = !flipView;
13269 DrawPosition(FALSE, NULL);
13270 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13272 if(bookHit) { // [HGM] book: simulate book reply
13273 static char bookMove[MSG_SIZ]; // a bit generous?
13275 programStats.nodes = programStats.depth = programStats.time =
13276 programStats.score = programStats.got_only_move = 0;
13277 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13279 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13280 strcat(bookMove, bookHit);
13281 HandleMachineMove(bookMove, &first);
13287 DisplayTwoMachinesTitle ()
13290 if (appData.matchGames > 0) {
13291 if(appData.tourneyFile[0]) {
13292 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13293 gameInfo.white, _("vs."), gameInfo.black,
13294 nextGame+1, appData.matchGames+1,
13295 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13297 if (first.twoMachinesColor[0] == 'w') {
13298 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13299 gameInfo.white, _("vs."), gameInfo.black,
13300 first.matchWins, second.matchWins,
13301 matchGame - 1 - (first.matchWins + second.matchWins));
13303 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13304 gameInfo.white, _("vs."), gameInfo.black,
13305 second.matchWins, first.matchWins,
13306 matchGame - 1 - (first.matchWins + second.matchWins));
13309 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13315 SettingsMenuIfReady ()
13317 if (second.lastPing != second.lastPong) {
13318 DisplayMessage("", _("Waiting for second chess program"));
13319 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13323 DisplayMessage("", "");
13324 SettingsPopUp(&second);
13328 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13331 if (cps->pr == NoProc) {
13332 StartChessProgram(cps);
13333 if (cps->protocolVersion == 1) {
13336 /* kludge: allow timeout for initial "feature" command */
13338 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13339 DisplayMessage("", buf);
13340 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13348 TwoMachinesEvent P((void))
13352 ChessProgramState *onmove;
13353 char *bookHit = NULL;
13354 static int stalling = 0;
13358 if (appData.noChessProgram) return;
13360 switch (gameMode) {
13361 case TwoMachinesPlay:
13363 case MachinePlaysWhite:
13364 case MachinePlaysBlack:
13365 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13366 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13370 case BeginningOfGame:
13371 case PlayFromGameFile:
13374 if (gameMode != EditGame) return;
13377 EditPositionDone(TRUE);
13388 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
13389 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
13390 if(strcmp(buf, currentDebugFile)) { // name has changed
13391 FILE *f = fopen(buf, "w");
13392 if(f) { // if opening the new file failed, just keep using the old one
13393 ASSIGN(currentDebugFile, buf);
13399 // forwardMostMove = currentMove;
13400 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13402 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13404 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13405 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13406 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13410 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13411 SendToProgram("force\n", &second);
13413 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13416 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13417 if(appData.matchPause>10000 || appData.matchPause<10)
13418 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13419 wait = SubtractTimeMarks(&now, &pauseStart);
13420 if(wait < appData.matchPause) {
13421 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13424 // we are now committed to starting the game
13426 DisplayMessage("", "");
13427 if (startedFromSetupPosition) {
13428 SendBoard(&second, backwardMostMove);
13429 if (appData.debugMode) {
13430 fprintf(debugFP, "Two Machines\n");
13433 for (i = backwardMostMove; i < forwardMostMove; i++) {
13434 SendMoveToProgram(i, &second);
13437 gameMode = TwoMachinesPlay;
13439 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13441 DisplayTwoMachinesTitle();
13443 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13448 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13449 SendToProgram(first.computerString, &first);
13450 if (first.sendName) {
13451 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13452 SendToProgram(buf, &first);
13454 SendToProgram(second.computerString, &second);
13455 if (second.sendName) {
13456 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13457 SendToProgram(buf, &second);
13461 if (!first.sendTime || !second.sendTime) {
13462 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13463 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13465 if (onmove->sendTime) {
13466 if (onmove->useColors) {
13467 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13469 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13471 if (onmove->useColors) {
13472 SendToProgram(onmove->twoMachinesColor, onmove);
13474 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13475 // SendToProgram("go\n", onmove);
13476 onmove->maybeThinking = TRUE;
13477 SetMachineThinkingEnables();
13481 if(bookHit) { // [HGM] book: simulate book reply
13482 static char bookMove[MSG_SIZ]; // a bit generous?
13484 programStats.nodes = programStats.depth = programStats.time =
13485 programStats.score = programStats.got_only_move = 0;
13486 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13488 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13489 strcat(bookMove, bookHit);
13490 savedMessage = bookMove; // args for deferred call
13491 savedState = onmove;
13492 ScheduleDelayedEvent(DeferredBookMove, 1);
13499 if (gameMode == Training) {
13500 SetTrainingModeOff();
13501 gameMode = PlayFromGameFile;
13502 DisplayMessage("", _("Training mode off"));
13504 gameMode = Training;
13505 animateTraining = appData.animate;
13507 /* make sure we are not already at the end of the game */
13508 if (currentMove < forwardMostMove) {
13509 SetTrainingModeOn();
13510 DisplayMessage("", _("Training mode on"));
13512 gameMode = PlayFromGameFile;
13513 DisplayError(_("Already at end of game"), 0);
13522 if (!appData.icsActive) return;
13523 switch (gameMode) {
13524 case IcsPlayingWhite:
13525 case IcsPlayingBlack:
13528 case BeginningOfGame:
13536 EditPositionDone(TRUE);
13549 gameMode = IcsIdle;
13559 switch (gameMode) {
13561 SetTrainingModeOff();
13563 case MachinePlaysWhite:
13564 case MachinePlaysBlack:
13565 case BeginningOfGame:
13566 SendToProgram("force\n", &first);
13567 SetUserThinkingEnables();
13569 case PlayFromGameFile:
13570 (void) StopLoadGameTimer();
13571 if (gameFileFP != NULL) {
13576 EditPositionDone(TRUE);
13581 SendToProgram("force\n", &first);
13583 case TwoMachinesPlay:
13584 GameEnds(EndOfFile, NULL, GE_PLAYER);
13585 ResurrectChessProgram();
13586 SetUserThinkingEnables();
13589 ResurrectChessProgram();
13591 case IcsPlayingBlack:
13592 case IcsPlayingWhite:
13593 DisplayError(_("Warning: You are still playing a game"), 0);
13596 DisplayError(_("Warning: You are still observing a game"), 0);
13599 DisplayError(_("Warning: You are still examining a game"), 0);
13610 first.offeredDraw = second.offeredDraw = 0;
13612 if (gameMode == PlayFromGameFile) {
13613 whiteTimeRemaining = timeRemaining[0][currentMove];
13614 blackTimeRemaining = timeRemaining[1][currentMove];
13618 if (gameMode == MachinePlaysWhite ||
13619 gameMode == MachinePlaysBlack ||
13620 gameMode == TwoMachinesPlay ||
13621 gameMode == EndOfGame) {
13622 i = forwardMostMove;
13623 while (i > currentMove) {
13624 SendToProgram("undo\n", &first);
13627 if(!adjustedClock) {
13628 whiteTimeRemaining = timeRemaining[0][currentMove];
13629 blackTimeRemaining = timeRemaining[1][currentMove];
13630 DisplayBothClocks();
13632 if (whiteFlag || blackFlag) {
13633 whiteFlag = blackFlag = 0;
13638 gameMode = EditGame;
13645 EditPositionEvent ()
13647 if (gameMode == EditPosition) {
13653 if (gameMode != EditGame) return;
13655 gameMode = EditPosition;
13658 if (currentMove > 0)
13659 CopyBoard(boards[0], boards[currentMove]);
13661 blackPlaysFirst = !WhiteOnMove(currentMove);
13663 currentMove = forwardMostMove = backwardMostMove = 0;
13664 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13671 /* [DM] icsEngineAnalyze - possible call from other functions */
13672 if (appData.icsEngineAnalyze) {
13673 appData.icsEngineAnalyze = FALSE;
13675 DisplayMessage("",_("Close ICS engine analyze..."));
13677 if (first.analysisSupport && first.analyzing) {
13678 SendToProgram("exit\n", &first);
13679 first.analyzing = FALSE;
13681 thinkOutput[0] = NULLCHAR;
13685 EditPositionDone (Boolean fakeRights)
13687 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13689 startedFromSetupPosition = TRUE;
13690 InitChessProgram(&first, FALSE);
13691 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13692 boards[0][EP_STATUS] = EP_NONE;
13693 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13694 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13695 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13696 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13697 } else boards[0][CASTLING][2] = NoRights;
13698 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13699 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13700 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13701 } else boards[0][CASTLING][5] = NoRights;
13703 SendToProgram("force\n", &first);
13704 if (blackPlaysFirst) {
13705 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13706 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13707 currentMove = forwardMostMove = backwardMostMove = 1;
13708 CopyBoard(boards[1], boards[0]);
13710 currentMove = forwardMostMove = backwardMostMove = 0;
13712 SendBoard(&first, forwardMostMove);
13713 if (appData.debugMode) {
13714 fprintf(debugFP, "EditPosDone\n");
13717 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13718 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13719 gameMode = EditGame;
13721 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13722 ClearHighlights(); /* [AS] */
13725 /* Pause for `ms' milliseconds */
13726 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13728 TimeDelay (long ms)
13735 } while (SubtractTimeMarks(&m2, &m1) < ms);
13738 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13740 SendMultiLineToICS (char *buf)
13742 char temp[MSG_SIZ+1], *p;
13749 strncpy(temp, buf, len);
13754 if (*p == '\n' || *p == '\r')
13759 strcat(temp, "\n");
13761 SendToPlayer(temp, strlen(temp));
13765 SetWhiteToPlayEvent ()
13767 if (gameMode == EditPosition) {
13768 blackPlaysFirst = FALSE;
13769 DisplayBothClocks(); /* works because currentMove is 0 */
13770 } else if (gameMode == IcsExamining) {
13771 SendToICS(ics_prefix);
13772 SendToICS("tomove white\n");
13777 SetBlackToPlayEvent ()
13779 if (gameMode == EditPosition) {
13780 blackPlaysFirst = TRUE;
13781 currentMove = 1; /* kludge */
13782 DisplayBothClocks();
13784 } else if (gameMode == IcsExamining) {
13785 SendToICS(ics_prefix);
13786 SendToICS("tomove black\n");
13791 EditPositionMenuEvent (ChessSquare selection, int x, int y)
13794 ChessSquare piece = boards[0][y][x];
13796 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13798 switch (selection) {
13800 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13801 SendToICS(ics_prefix);
13802 SendToICS("bsetup clear\n");
13803 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13804 SendToICS(ics_prefix);
13805 SendToICS("clearboard\n");
13807 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13808 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13809 for (y = 0; y < BOARD_HEIGHT; y++) {
13810 if (gameMode == IcsExamining) {
13811 if (boards[currentMove][y][x] != EmptySquare) {
13812 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13817 boards[0][y][x] = p;
13822 if (gameMode == EditPosition) {
13823 DrawPosition(FALSE, boards[0]);
13828 SetWhiteToPlayEvent();
13832 SetBlackToPlayEvent();
13836 if (gameMode == IcsExamining) {
13837 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13838 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13841 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13842 if(x == BOARD_LEFT-2) {
13843 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13844 boards[0][y][1] = 0;
13846 if(x == BOARD_RGHT+1) {
13847 if(y >= gameInfo.holdingsSize) break;
13848 boards[0][y][BOARD_WIDTH-2] = 0;
13851 boards[0][y][x] = EmptySquare;
13852 DrawPosition(FALSE, boards[0]);
13857 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13858 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13859 selection = (ChessSquare) (PROMOTED piece);
13860 } else if(piece == EmptySquare) selection = WhiteSilver;
13861 else selection = (ChessSquare)((int)piece - 1);
13865 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13866 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13867 selection = (ChessSquare) (DEMOTED piece);
13868 } else if(piece == EmptySquare) selection = BlackSilver;
13869 else selection = (ChessSquare)((int)piece + 1);
13874 if(gameInfo.variant == VariantShatranj ||
13875 gameInfo.variant == VariantXiangqi ||
13876 gameInfo.variant == VariantCourier ||
13877 gameInfo.variant == VariantMakruk )
13878 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13883 if(gameInfo.variant == VariantXiangqi)
13884 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13885 if(gameInfo.variant == VariantKnightmate)
13886 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13889 if (gameMode == IcsExamining) {
13890 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13891 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13892 PieceToChar(selection), AAA + x, ONE + y);
13895 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13897 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13898 n = PieceToNumber(selection - BlackPawn);
13899 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13900 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13901 boards[0][BOARD_HEIGHT-1-n][1]++;
13903 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13904 n = PieceToNumber(selection);
13905 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13906 boards[0][n][BOARD_WIDTH-1] = selection;
13907 boards[0][n][BOARD_WIDTH-2]++;
13910 boards[0][y][x] = selection;
13911 DrawPosition(TRUE, boards[0]);
13913 fromX = fromY = -1;
13921 DropMenuEvent (ChessSquare selection, int x, int y)
13923 ChessMove moveType;
13925 switch (gameMode) {
13926 case IcsPlayingWhite:
13927 case MachinePlaysBlack:
13928 if (!WhiteOnMove(currentMove)) {
13929 DisplayMoveError(_("It is Black's turn"));
13932 moveType = WhiteDrop;
13934 case IcsPlayingBlack:
13935 case MachinePlaysWhite:
13936 if (WhiteOnMove(currentMove)) {
13937 DisplayMoveError(_("It is White's turn"));
13940 moveType = BlackDrop;
13943 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13949 if (moveType == BlackDrop && selection < BlackPawn) {
13950 selection = (ChessSquare) ((int) selection
13951 + (int) BlackPawn - (int) WhitePawn);
13953 if (boards[currentMove][y][x] != EmptySquare) {
13954 DisplayMoveError(_("That square is occupied"));
13958 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13964 /* Accept a pending offer of any kind from opponent */
13966 if (appData.icsActive) {
13967 SendToICS(ics_prefix);
13968 SendToICS("accept\n");
13969 } else if (cmailMsgLoaded) {
13970 if (currentMove == cmailOldMove &&
13971 commentList[cmailOldMove] != NULL &&
13972 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13973 "Black offers a draw" : "White offers a draw")) {
13975 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13976 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13978 DisplayError(_("There is no pending offer on this move"), 0);
13979 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13982 /* Not used for offers from chess program */
13989 /* Decline a pending offer of any kind from opponent */
13991 if (appData.icsActive) {
13992 SendToICS(ics_prefix);
13993 SendToICS("decline\n");
13994 } else if (cmailMsgLoaded) {
13995 if (currentMove == cmailOldMove &&
13996 commentList[cmailOldMove] != NULL &&
13997 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13998 "Black offers a draw" : "White offers a draw")) {
14000 AppendComment(cmailOldMove, "Draw declined", TRUE);
14001 DisplayComment(cmailOldMove - 1, "Draw declined");
14004 DisplayError(_("There is no pending offer on this move"), 0);
14007 /* Not used for offers from chess program */
14014 /* Issue ICS rematch command */
14015 if (appData.icsActive) {
14016 SendToICS(ics_prefix);
14017 SendToICS("rematch\n");
14024 /* Call your opponent's flag (claim a win on time) */
14025 if (appData.icsActive) {
14026 SendToICS(ics_prefix);
14027 SendToICS("flag\n");
14029 switch (gameMode) {
14032 case MachinePlaysWhite:
14035 GameEnds(GameIsDrawn, "Both players ran out of time",
14038 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14040 DisplayError(_("Your opponent is not out of time"), 0);
14043 case MachinePlaysBlack:
14046 GameEnds(GameIsDrawn, "Both players ran out of time",
14049 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14051 DisplayError(_("Your opponent is not out of time"), 0);
14059 ClockClick (int which)
14060 { // [HGM] code moved to back-end from winboard.c
14061 if(which) { // black clock
14062 if (gameMode == EditPosition || gameMode == IcsExamining) {
14063 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14064 SetBlackToPlayEvent();
14065 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14066 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14067 } else if (shiftKey) {
14068 AdjustClock(which, -1);
14069 } else if (gameMode == IcsPlayingWhite ||
14070 gameMode == MachinePlaysBlack) {
14073 } else { // white clock
14074 if (gameMode == EditPosition || gameMode == IcsExamining) {
14075 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14076 SetWhiteToPlayEvent();
14077 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14078 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14079 } else if (shiftKey) {
14080 AdjustClock(which, -1);
14081 } else if (gameMode == IcsPlayingBlack ||
14082 gameMode == MachinePlaysWhite) {
14091 /* Offer draw or accept pending draw offer from opponent */
14093 if (appData.icsActive) {
14094 /* Note: tournament rules require draw offers to be
14095 made after you make your move but before you punch
14096 your clock. Currently ICS doesn't let you do that;
14097 instead, you immediately punch your clock after making
14098 a move, but you can offer a draw at any time. */
14100 SendToICS(ics_prefix);
14101 SendToICS("draw\n");
14102 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14103 } else if (cmailMsgLoaded) {
14104 if (currentMove == cmailOldMove &&
14105 commentList[cmailOldMove] != NULL &&
14106 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14107 "Black offers a draw" : "White offers a draw")) {
14108 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14109 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14110 } else if (currentMove == cmailOldMove + 1) {
14111 char *offer = WhiteOnMove(cmailOldMove) ?
14112 "White offers a draw" : "Black offers a draw";
14113 AppendComment(currentMove, offer, TRUE);
14114 DisplayComment(currentMove - 1, offer);
14115 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14117 DisplayError(_("You must make your move before offering a draw"), 0);
14118 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14120 } else if (first.offeredDraw) {
14121 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14123 if (first.sendDrawOffers) {
14124 SendToProgram("draw\n", &first);
14125 userOfferedDraw = TRUE;
14133 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14135 if (appData.icsActive) {
14136 SendToICS(ics_prefix);
14137 SendToICS("adjourn\n");
14139 /* Currently GNU Chess doesn't offer or accept Adjourns */
14147 /* Offer Abort or accept pending Abort offer from opponent */
14149 if (appData.icsActive) {
14150 SendToICS(ics_prefix);
14151 SendToICS("abort\n");
14153 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14160 /* Resign. You can do this even if it's not your turn. */
14162 if (appData.icsActive) {
14163 SendToICS(ics_prefix);
14164 SendToICS("resign\n");
14166 switch (gameMode) {
14167 case MachinePlaysWhite:
14168 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14170 case MachinePlaysBlack:
14171 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14174 if (cmailMsgLoaded) {
14176 if (WhiteOnMove(cmailOldMove)) {
14177 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14179 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14181 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14192 StopObservingEvent ()
14194 /* Stop observing current games */
14195 SendToICS(ics_prefix);
14196 SendToICS("unobserve\n");
14200 StopExaminingEvent ()
14202 /* Stop observing current game */
14203 SendToICS(ics_prefix);
14204 SendToICS("unexamine\n");
14208 ForwardInner (int target)
14210 int limit; int oldSeekGraphUp = seekGraphUp;
14212 if (appData.debugMode)
14213 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14214 target, currentMove, forwardMostMove);
14216 if (gameMode == EditPosition)
14219 seekGraphUp = FALSE;
14220 MarkTargetSquares(1);
14222 if (gameMode == PlayFromGameFile && !pausing)
14225 if (gameMode == IcsExamining && pausing)
14226 limit = pauseExamForwardMostMove;
14228 limit = forwardMostMove;
14230 if (target > limit) target = limit;
14232 if (target > 0 && moveList[target - 1][0]) {
14233 int fromX, fromY, toX, toY;
14234 toX = moveList[target - 1][2] - AAA;
14235 toY = moveList[target - 1][3] - ONE;
14236 if (moveList[target - 1][1] == '@') {
14237 if (appData.highlightLastMove) {
14238 SetHighlights(-1, -1, toX, toY);
14241 fromX = moveList[target - 1][0] - AAA;
14242 fromY = moveList[target - 1][1] - ONE;
14243 if (target == currentMove + 1) {
14244 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14246 if (appData.highlightLastMove) {
14247 SetHighlights(fromX, fromY, toX, toY);
14251 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14252 gameMode == Training || gameMode == PlayFromGameFile ||
14253 gameMode == AnalyzeFile) {
14254 while (currentMove < target) {
14255 SendMoveToProgram(currentMove++, &first);
14258 currentMove = target;
14261 if (gameMode == EditGame || gameMode == EndOfGame) {
14262 whiteTimeRemaining = timeRemaining[0][currentMove];
14263 blackTimeRemaining = timeRemaining[1][currentMove];
14265 DisplayBothClocks();
14266 DisplayMove(currentMove - 1);
14267 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14268 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14269 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14270 DisplayComment(currentMove - 1, commentList[currentMove]);
14278 if (gameMode == IcsExamining && !pausing) {
14279 SendToICS(ics_prefix);
14280 SendToICS("forward\n");
14282 ForwardInner(currentMove + 1);
14289 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14290 /* to optimze, we temporarily turn off analysis mode while we feed
14291 * the remaining moves to the engine. Otherwise we get analysis output
14294 if (first.analysisSupport) {
14295 SendToProgram("exit\nforce\n", &first);
14296 first.analyzing = FALSE;
14300 if (gameMode == IcsExamining && !pausing) {
14301 SendToICS(ics_prefix);
14302 SendToICS("forward 999999\n");
14304 ForwardInner(forwardMostMove);
14307 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14308 /* we have fed all the moves, so reactivate analysis mode */
14309 SendToProgram("analyze\n", &first);
14310 first.analyzing = TRUE;
14311 /*first.maybeThinking = TRUE;*/
14312 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14317 BackwardInner (int target)
14319 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14321 if (appData.debugMode)
14322 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14323 target, currentMove, forwardMostMove);
14325 if (gameMode == EditPosition) return;
14326 seekGraphUp = FALSE;
14327 MarkTargetSquares(1);
14328 if (currentMove <= backwardMostMove) {
14330 DrawPosition(full_redraw, boards[currentMove]);
14333 if (gameMode == PlayFromGameFile && !pausing)
14336 if (moveList[target][0]) {
14337 int fromX, fromY, toX, toY;
14338 toX = moveList[target][2] - AAA;
14339 toY = moveList[target][3] - ONE;
14340 if (moveList[target][1] == '@') {
14341 if (appData.highlightLastMove) {
14342 SetHighlights(-1, -1, toX, toY);
14345 fromX = moveList[target][0] - AAA;
14346 fromY = moveList[target][1] - ONE;
14347 if (target == currentMove - 1) {
14348 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14350 if (appData.highlightLastMove) {
14351 SetHighlights(fromX, fromY, toX, toY);
14355 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14356 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14357 while (currentMove > target) {
14358 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14359 // null move cannot be undone. Reload program with move history before it.
14361 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14362 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14364 SendBoard(&first, i);
14365 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14368 SendToProgram("undo\n", &first);
14372 currentMove = target;
14375 if (gameMode == EditGame || gameMode == EndOfGame) {
14376 whiteTimeRemaining = timeRemaining[0][currentMove];
14377 blackTimeRemaining = timeRemaining[1][currentMove];
14379 DisplayBothClocks();
14380 DisplayMove(currentMove - 1);
14381 DrawPosition(full_redraw, boards[currentMove]);
14382 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14383 // [HGM] PV info: routine tests if comment empty
14384 DisplayComment(currentMove - 1, commentList[currentMove]);
14390 if (gameMode == IcsExamining && !pausing) {
14391 SendToICS(ics_prefix);
14392 SendToICS("backward\n");
14394 BackwardInner(currentMove - 1);
14401 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14402 /* to optimize, we temporarily turn off analysis mode while we undo
14403 * all the moves. Otherwise we get analysis output after each undo.
14405 if (first.analysisSupport) {
14406 SendToProgram("exit\nforce\n", &first);
14407 first.analyzing = FALSE;
14411 if (gameMode == IcsExamining && !pausing) {
14412 SendToICS(ics_prefix);
14413 SendToICS("backward 999999\n");
14415 BackwardInner(backwardMostMove);
14418 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14419 /* we have fed all the moves, so reactivate analysis mode */
14420 SendToProgram("analyze\n", &first);
14421 first.analyzing = TRUE;
14422 /*first.maybeThinking = TRUE;*/
14423 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14430 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14431 if (to >= forwardMostMove) to = forwardMostMove;
14432 if (to <= backwardMostMove) to = backwardMostMove;
14433 if (to < currentMove) {
14441 RevertEvent (Boolean annotate)
14443 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14446 if (gameMode != IcsExamining) {
14447 DisplayError(_("You are not examining a game"), 0);
14451 DisplayError(_("You can't revert while pausing"), 0);
14454 SendToICS(ics_prefix);
14455 SendToICS("revert\n");
14459 RetractMoveEvent ()
14461 switch (gameMode) {
14462 case MachinePlaysWhite:
14463 case MachinePlaysBlack:
14464 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14465 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14468 if (forwardMostMove < 2) return;
14469 currentMove = forwardMostMove = forwardMostMove - 2;
14470 whiteTimeRemaining = timeRemaining[0][currentMove];
14471 blackTimeRemaining = timeRemaining[1][currentMove];
14472 DisplayBothClocks();
14473 DisplayMove(currentMove - 1);
14474 ClearHighlights();/*!! could figure this out*/
14475 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14476 SendToProgram("remove\n", &first);
14477 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14480 case BeginningOfGame:
14484 case IcsPlayingWhite:
14485 case IcsPlayingBlack:
14486 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14487 SendToICS(ics_prefix);
14488 SendToICS("takeback 2\n");
14490 SendToICS(ics_prefix);
14491 SendToICS("takeback 1\n");
14500 ChessProgramState *cps;
14502 switch (gameMode) {
14503 case MachinePlaysWhite:
14504 if (!WhiteOnMove(forwardMostMove)) {
14505 DisplayError(_("It is your turn"), 0);
14510 case MachinePlaysBlack:
14511 if (WhiteOnMove(forwardMostMove)) {
14512 DisplayError(_("It is your turn"), 0);
14517 case TwoMachinesPlay:
14518 if (WhiteOnMove(forwardMostMove) ==
14519 (first.twoMachinesColor[0] == 'w')) {
14525 case BeginningOfGame:
14529 SendToProgram("?\n", cps);
14533 TruncateGameEvent ()
14536 if (gameMode != EditGame) return;
14543 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14544 if (forwardMostMove > currentMove) {
14545 if (gameInfo.resultDetails != NULL) {
14546 free(gameInfo.resultDetails);
14547 gameInfo.resultDetails = NULL;
14548 gameInfo.result = GameUnfinished;
14550 forwardMostMove = currentMove;
14551 HistorySet(parseList, backwardMostMove, forwardMostMove,
14559 if (appData.noChessProgram) return;
14560 switch (gameMode) {
14561 case MachinePlaysWhite:
14562 if (WhiteOnMove(forwardMostMove)) {
14563 DisplayError(_("Wait until your turn"), 0);
14567 case BeginningOfGame:
14568 case MachinePlaysBlack:
14569 if (!WhiteOnMove(forwardMostMove)) {
14570 DisplayError(_("Wait until your turn"), 0);
14575 DisplayError(_("No hint available"), 0);
14578 SendToProgram("hint\n", &first);
14579 hintRequested = TRUE;
14585 if (appData.noChessProgram) return;
14586 switch (gameMode) {
14587 case MachinePlaysWhite:
14588 if (WhiteOnMove(forwardMostMove)) {
14589 DisplayError(_("Wait until your turn"), 0);
14593 case BeginningOfGame:
14594 case MachinePlaysBlack:
14595 if (!WhiteOnMove(forwardMostMove)) {
14596 DisplayError(_("Wait until your turn"), 0);
14601 EditPositionDone(TRUE);
14603 case TwoMachinesPlay:
14608 SendToProgram("bk\n", &first);
14609 bookOutput[0] = NULLCHAR;
14610 bookRequested = TRUE;
14616 char *tags = PGNTags(&gameInfo);
14617 TagsPopUp(tags, CmailMsg());
14621 /* end button procedures */
14624 PrintPosition (FILE *fp, int move)
14628 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14629 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14630 char c = PieceToChar(boards[move][i][j]);
14631 fputc(c == 'x' ? '.' : c, fp);
14632 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14635 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14636 fprintf(fp, "white to play\n");
14638 fprintf(fp, "black to play\n");
14642 PrintOpponents (FILE *fp)
14644 if (gameInfo.white != NULL) {
14645 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14651 /* Find last component of program's own name, using some heuristics */
14653 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14656 int local = (strcmp(host, "localhost") == 0);
14657 while (!local && (p = strchr(prog, ';')) != NULL) {
14659 while (*p == ' ') p++;
14662 if (*prog == '"' || *prog == '\'') {
14663 q = strchr(prog + 1, *prog);
14665 q = strchr(prog, ' ');
14667 if (q == NULL) q = prog + strlen(prog);
14669 while (p >= prog && *p != '/' && *p != '\\') p--;
14671 if(p == prog && *p == '"') p++;
14673 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14674 memcpy(buf, p, q - p);
14675 buf[q - p] = NULLCHAR;
14683 TimeControlTagValue ()
14686 if (!appData.clockMode) {
14687 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14688 } else if (movesPerSession > 0) {
14689 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14690 } else if (timeIncrement == 0) {
14691 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14693 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14695 return StrSave(buf);
14701 /* This routine is used only for certain modes */
14702 VariantClass v = gameInfo.variant;
14703 ChessMove r = GameUnfinished;
14706 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14707 r = gameInfo.result;
14708 p = gameInfo.resultDetails;
14709 gameInfo.resultDetails = NULL;
14711 ClearGameInfo(&gameInfo);
14712 gameInfo.variant = v;
14714 switch (gameMode) {
14715 case MachinePlaysWhite:
14716 gameInfo.event = StrSave( appData.pgnEventHeader );
14717 gameInfo.site = StrSave(HostName());
14718 gameInfo.date = PGNDate();
14719 gameInfo.round = StrSave("-");
14720 gameInfo.white = StrSave(first.tidy);
14721 gameInfo.black = StrSave(UserName());
14722 gameInfo.timeControl = TimeControlTagValue();
14725 case MachinePlaysBlack:
14726 gameInfo.event = StrSave( appData.pgnEventHeader );
14727 gameInfo.site = StrSave(HostName());
14728 gameInfo.date = PGNDate();
14729 gameInfo.round = StrSave("-");
14730 gameInfo.white = StrSave(UserName());
14731 gameInfo.black = StrSave(first.tidy);
14732 gameInfo.timeControl = TimeControlTagValue();
14735 case TwoMachinesPlay:
14736 gameInfo.event = StrSave( appData.pgnEventHeader );
14737 gameInfo.site = StrSave(HostName());
14738 gameInfo.date = PGNDate();
14741 snprintf(buf, MSG_SIZ, "%d", roundNr);
14742 gameInfo.round = StrSave(buf);
14744 gameInfo.round = StrSave("-");
14746 if (first.twoMachinesColor[0] == 'w') {
14747 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14748 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14750 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14751 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14753 gameInfo.timeControl = TimeControlTagValue();
14757 gameInfo.event = StrSave("Edited game");
14758 gameInfo.site = StrSave(HostName());
14759 gameInfo.date = PGNDate();
14760 gameInfo.round = StrSave("-");
14761 gameInfo.white = StrSave("-");
14762 gameInfo.black = StrSave("-");
14763 gameInfo.result = r;
14764 gameInfo.resultDetails = p;
14768 gameInfo.event = StrSave("Edited position");
14769 gameInfo.site = StrSave(HostName());
14770 gameInfo.date = PGNDate();
14771 gameInfo.round = StrSave("-");
14772 gameInfo.white = StrSave("-");
14773 gameInfo.black = StrSave("-");
14776 case IcsPlayingWhite:
14777 case IcsPlayingBlack:
14782 case PlayFromGameFile:
14783 gameInfo.event = StrSave("Game from non-PGN file");
14784 gameInfo.site = StrSave(HostName());
14785 gameInfo.date = PGNDate();
14786 gameInfo.round = StrSave("-");
14787 gameInfo.white = StrSave("?");
14788 gameInfo.black = StrSave("?");
14797 ReplaceComment (int index, char *text)
14803 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14804 pvInfoList[index-1].depth == len &&
14805 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14806 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14807 while (*text == '\n') text++;
14808 len = strlen(text);
14809 while (len > 0 && text[len - 1] == '\n') len--;
14811 if (commentList[index] != NULL)
14812 free(commentList[index]);
14815 commentList[index] = NULL;
14818 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14819 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14820 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14821 commentList[index] = (char *) malloc(len + 2);
14822 strncpy(commentList[index], text, len);
14823 commentList[index][len] = '\n';
14824 commentList[index][len + 1] = NULLCHAR;
14826 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14828 commentList[index] = (char *) malloc(len + 7);
14829 safeStrCpy(commentList[index], "{\n", 3);
14830 safeStrCpy(commentList[index]+2, text, len+1);
14831 commentList[index][len+2] = NULLCHAR;
14832 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14833 strcat(commentList[index], "\n}\n");
14838 CrushCRs (char *text)
14846 if (ch == '\r') continue;
14848 } while (ch != '\0');
14852 AppendComment (int index, char *text, Boolean addBraces)
14853 /* addBraces tells if we should add {} */
14858 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14859 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14862 while (*text == '\n') text++;
14863 len = strlen(text);
14864 while (len > 0 && text[len - 1] == '\n') len--;
14865 text[len] = NULLCHAR;
14867 if (len == 0) return;
14869 if (commentList[index] != NULL) {
14870 Boolean addClosingBrace = addBraces;
14871 old = commentList[index];
14872 oldlen = strlen(old);
14873 while(commentList[index][oldlen-1] == '\n')
14874 commentList[index][--oldlen] = NULLCHAR;
14875 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14876 safeStrCpy(commentList[index], old, oldlen + len + 6);
14878 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14879 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14880 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14881 while (*text == '\n') { text++; len--; }
14882 commentList[index][--oldlen] = NULLCHAR;
14884 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14885 else strcat(commentList[index], "\n");
14886 strcat(commentList[index], text);
14887 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14888 else strcat(commentList[index], "\n");
14890 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14892 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14893 else commentList[index][0] = NULLCHAR;
14894 strcat(commentList[index], text);
14895 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14896 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14901 FindStr (char * text, char * sub_text)
14903 char * result = strstr( text, sub_text );
14905 if( result != NULL ) {
14906 result += strlen( sub_text );
14912 /* [AS] Try to extract PV info from PGN comment */
14913 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14915 GetInfoFromComment (int index, char * text)
14917 char * sep = text, *p;
14919 if( text != NULL && index > 0 ) {
14922 int time = -1, sec = 0, deci;
14923 char * s_eval = FindStr( text, "[%eval " );
14924 char * s_emt = FindStr( text, "[%emt " );
14926 if( s_eval != NULL || s_emt != NULL ) {
14930 if( s_eval != NULL ) {
14931 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14935 if( delim != ']' ) {
14940 if( s_emt != NULL ) {
14945 /* We expect something like: [+|-]nnn.nn/dd */
14948 if(*text != '{') return text; // [HGM] braces: must be normal comment
14950 sep = strchr( text, '/' );
14951 if( sep == NULL || sep < (text+4) ) {
14956 if(p[1] == '(') { // comment starts with PV
14957 p = strchr(p, ')'); // locate end of PV
14958 if(p == NULL || sep < p+5) return text;
14959 // at this point we have something like "{(.*) +0.23/6 ..."
14960 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14961 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14962 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14964 time = -1; sec = -1; deci = -1;
14965 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14966 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14967 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14968 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14972 if( score_lo < 0 || score_lo >= 100 ) {
14976 if(sec >= 0) time = 600*time + 10*sec; else
14977 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14979 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14981 /* [HGM] PV time: now locate end of PV info */
14982 while( *++sep >= '0' && *sep <= '9'); // strip depth
14984 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14986 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14988 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14989 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15000 pvInfoList[index-1].depth = depth;
15001 pvInfoList[index-1].score = score;
15002 pvInfoList[index-1].time = 10*time; // centi-sec
15003 if(*sep == '}') *sep = 0; else *--sep = '{';
15004 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15010 SendToProgram (char *message, ChessProgramState *cps)
15012 int count, outCount, error;
15015 if (cps->pr == NoProc) return;
15018 if (appData.debugMode) {
15021 fprintf(debugFP, "%ld >%-6s: %s",
15022 SubtractTimeMarks(&now, &programStartTime),
15023 cps->which, message);
15026 count = strlen(message);
15027 outCount = OutputToProcess(cps->pr, message, count, &error);
15028 if (outCount < count && !exiting
15029 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15030 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15031 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15032 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15033 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15034 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15035 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15036 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15038 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15039 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15040 gameInfo.result = res;
15042 gameInfo.resultDetails = StrSave(buf);
15044 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15045 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15050 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15054 ChessProgramState *cps = (ChessProgramState *)closure;
15056 if (isr != cps->isr) return; /* Killed intentionally */
15059 RemoveInputSource(cps->isr);
15060 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15061 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15062 _(cps->which), cps->program);
15063 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15064 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15065 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15066 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15067 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15069 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15070 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15071 gameInfo.result = res;
15073 gameInfo.resultDetails = StrSave(buf);
15075 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15076 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15078 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15079 _(cps->which), cps->program);
15080 RemoveInputSource(cps->isr);
15082 /* [AS] Program is misbehaving badly... kill it */
15083 if( count == -2 ) {
15084 DestroyChildProcess( cps->pr, 9 );
15088 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15093 if ((end_str = strchr(message, '\r')) != NULL)
15094 *end_str = NULLCHAR;
15095 if ((end_str = strchr(message, '\n')) != NULL)
15096 *end_str = NULLCHAR;
15098 if (appData.debugMode) {
15099 TimeMark now; int print = 1;
15100 char *quote = ""; char c; int i;
15102 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15103 char start = message[0];
15104 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15105 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15106 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15107 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15108 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15109 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15110 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15111 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15112 sscanf(message, "hint: %c", &c)!=1 &&
15113 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15114 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15115 print = (appData.engineComments >= 2);
15117 message[0] = start; // restore original message
15121 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15122 SubtractTimeMarks(&now, &programStartTime), cps->which,
15128 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15129 if (appData.icsEngineAnalyze) {
15130 if (strstr(message, "whisper") != NULL ||
15131 strstr(message, "kibitz") != NULL ||
15132 strstr(message, "tellics") != NULL) return;
15135 HandleMachineMove(message, cps);
15140 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15145 if( timeControl_2 > 0 ) {
15146 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15147 tc = timeControl_2;
15150 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15151 inc /= cps->timeOdds;
15152 st /= cps->timeOdds;
15154 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15157 /* Set exact time per move, normally using st command */
15158 if (cps->stKludge) {
15159 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15161 if (seconds == 0) {
15162 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15164 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15167 snprintf(buf, MSG_SIZ, "st %d\n", st);
15170 /* Set conventional or incremental time control, using level command */
15171 if (seconds == 0) {
15172 /* Note old gnuchess bug -- minutes:seconds used to not work.
15173 Fixed in later versions, but still avoid :seconds
15174 when seconds is 0. */
15175 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15177 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15178 seconds, inc/1000.);
15181 SendToProgram(buf, cps);
15183 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15184 /* Orthogonally, limit search to given depth */
15186 if (cps->sdKludge) {
15187 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15189 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15191 SendToProgram(buf, cps);
15194 if(cps->nps >= 0) { /* [HGM] nps */
15195 if(cps->supportsNPS == FALSE)
15196 cps->nps = -1; // don't use if engine explicitly says not supported!
15198 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15199 SendToProgram(buf, cps);
15204 ChessProgramState *
15206 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15208 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15209 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15215 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15217 char message[MSG_SIZ];
15220 /* Note: this routine must be called when the clocks are stopped
15221 or when they have *just* been set or switched; otherwise
15222 it will be off by the time since the current tick started.
15224 if (machineWhite) {
15225 time = whiteTimeRemaining / 10;
15226 otime = blackTimeRemaining / 10;
15228 time = blackTimeRemaining / 10;
15229 otime = whiteTimeRemaining / 10;
15231 /* [HGM] translate opponent's time by time-odds factor */
15232 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15234 if (time <= 0) time = 1;
15235 if (otime <= 0) otime = 1;
15237 snprintf(message, MSG_SIZ, "time %ld\n", time);
15238 SendToProgram(message, cps);
15240 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15241 SendToProgram(message, cps);
15245 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15248 int len = strlen(name);
15251 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15253 sscanf(*p, "%d", &val);
15255 while (**p && **p != ' ')
15257 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15258 SendToProgram(buf, cps);
15265 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15268 int len = strlen(name);
15269 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15271 sscanf(*p, "%d", loc);
15272 while (**p && **p != ' ') (*p)++;
15273 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15274 SendToProgram(buf, cps);
15281 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15284 int len = strlen(name);
15285 if (strncmp((*p), name, len) == 0
15286 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15288 sscanf(*p, "%[^\"]", loc);
15289 while (**p && **p != '\"') (*p)++;
15290 if (**p == '\"') (*p)++;
15291 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15292 SendToProgram(buf, cps);
15299 ParseOption (Option *opt, ChessProgramState *cps)
15300 // [HGM] options: process the string that defines an engine option, and determine
15301 // name, type, default value, and allowed value range
15303 char *p, *q, buf[MSG_SIZ];
15304 int n, min = (-1)<<31, max = 1<<31, def;
15306 if(p = strstr(opt->name, " -spin ")) {
15307 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15308 if(max < min) max = min; // enforce consistency
15309 if(def < min) def = min;
15310 if(def > max) def = max;
15315 } else if((p = strstr(opt->name, " -slider "))) {
15316 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15317 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15318 if(max < min) max = min; // enforce consistency
15319 if(def < min) def = min;
15320 if(def > max) def = max;
15324 opt->type = Spin; // Slider;
15325 } else if((p = strstr(opt->name, " -string "))) {
15326 opt->textValue = p+9;
15327 opt->type = TextBox;
15328 } else if((p = strstr(opt->name, " -file "))) {
15329 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15330 opt->textValue = p+7;
15331 opt->type = FileName; // FileName;
15332 } else if((p = strstr(opt->name, " -path "))) {
15333 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15334 opt->textValue = p+7;
15335 opt->type = PathName; // PathName;
15336 } else if(p = strstr(opt->name, " -check ")) {
15337 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15338 opt->value = (def != 0);
15339 opt->type = CheckBox;
15340 } else if(p = strstr(opt->name, " -combo ")) {
15341 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15342 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15343 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15344 opt->value = n = 0;
15345 while(q = StrStr(q, " /// ")) {
15346 n++; *q = 0; // count choices, and null-terminate each of them
15348 if(*q == '*') { // remember default, which is marked with * prefix
15352 cps->comboList[cps->comboCnt++] = q;
15354 cps->comboList[cps->comboCnt++] = NULL;
15356 opt->type = ComboBox;
15357 } else if(p = strstr(opt->name, " -button")) {
15358 opt->type = Button;
15359 } else if(p = strstr(opt->name, " -save")) {
15360 opt->type = SaveButton;
15361 } else return FALSE;
15362 *p = 0; // terminate option name
15363 // now look if the command-line options define a setting for this engine option.
15364 if(cps->optionSettings && cps->optionSettings[0])
15365 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15366 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15367 snprintf(buf, MSG_SIZ, "option %s", p);
15368 if(p = strstr(buf, ",")) *p = 0;
15369 if(q = strchr(buf, '=')) switch(opt->type) {
15371 for(n=0; n<opt->max; n++)
15372 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15375 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15379 opt->value = atoi(q+1);
15384 SendToProgram(buf, cps);
15390 FeatureDone (ChessProgramState *cps, int val)
15392 DelayedEventCallback cb = GetDelayedEvent();
15393 if ((cb == InitBackEnd3 && cps == &first) ||
15394 (cb == SettingsMenuIfReady && cps == &second) ||
15395 (cb == LoadEngine) ||
15396 (cb == TwoMachinesEventIfReady)) {
15397 CancelDelayedEvent();
15398 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15400 cps->initDone = val;
15403 /* Parse feature command from engine */
15405 ParseFeatures (char *args, ChessProgramState *cps)
15413 while (*p == ' ') p++;
15414 if (*p == NULLCHAR) return;
15416 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15417 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15418 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15419 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15420 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15421 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15422 if (BoolFeature(&p, "reuse", &val, cps)) {
15423 /* Engine can disable reuse, but can't enable it if user said no */
15424 if (!val) cps->reuse = FALSE;
15427 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15428 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15429 if (gameMode == TwoMachinesPlay) {
15430 DisplayTwoMachinesTitle();
15436 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15437 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15438 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15439 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15440 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15441 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15442 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15443 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15444 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15445 if (IntFeature(&p, "done", &val, cps)) {
15446 FeatureDone(cps, val);
15449 /* Added by Tord: */
15450 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15451 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15452 /* End of additions by Tord */
15454 /* [HGM] added features: */
15455 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15456 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15457 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15458 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15459 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15460 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15461 if (StringFeature(&p, "option", cps->option[cps->nrOptions].name, cps)) {
15462 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15463 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15464 SendToProgram(buf, cps);
15467 if(cps->nrOptions >= MAX_OPTIONS) {
15469 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15470 DisplayError(buf, 0);
15474 /* End of additions by HGM */
15476 /* unknown feature: complain and skip */
15478 while (*q && *q != '=') q++;
15479 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15480 SendToProgram(buf, cps);
15486 while (*p && *p != '\"') p++;
15487 if (*p == '\"') p++;
15489 while (*p && *p != ' ') p++;
15497 PeriodicUpdatesEvent (int newState)
15499 if (newState == appData.periodicUpdates)
15502 appData.periodicUpdates=newState;
15504 /* Display type changes, so update it now */
15505 // DisplayAnalysis();
15507 /* Get the ball rolling again... */
15509 AnalysisPeriodicEvent(1);
15510 StartAnalysisClock();
15515 PonderNextMoveEvent (int newState)
15517 if (newState == appData.ponderNextMove) return;
15518 if (gameMode == EditPosition) EditPositionDone(TRUE);
15520 SendToProgram("hard\n", &first);
15521 if (gameMode == TwoMachinesPlay) {
15522 SendToProgram("hard\n", &second);
15525 SendToProgram("easy\n", &first);
15526 thinkOutput[0] = NULLCHAR;
15527 if (gameMode == TwoMachinesPlay) {
15528 SendToProgram("easy\n", &second);
15531 appData.ponderNextMove = newState;
15535 NewSettingEvent (int option, int *feature, char *command, int value)
15539 if (gameMode == EditPosition) EditPositionDone(TRUE);
15540 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15541 if(feature == NULL || *feature) SendToProgram(buf, &first);
15542 if (gameMode == TwoMachinesPlay) {
15543 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15548 ShowThinkingEvent ()
15549 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15551 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15552 int newState = appData.showThinking
15553 // [HGM] thinking: other features now need thinking output as well
15554 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15556 if (oldState == newState) return;
15557 oldState = newState;
15558 if (gameMode == EditPosition) EditPositionDone(TRUE);
15560 SendToProgram("post\n", &first);
15561 if (gameMode == TwoMachinesPlay) {
15562 SendToProgram("post\n", &second);
15565 SendToProgram("nopost\n", &first);
15566 thinkOutput[0] = NULLCHAR;
15567 if (gameMode == TwoMachinesPlay) {
15568 SendToProgram("nopost\n", &second);
15571 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15575 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15577 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15578 if (pr == NoProc) return;
15579 AskQuestion(title, question, replyPrefix, pr);
15583 TypeInEvent (char firstChar)
15585 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15586 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15587 gameMode == AnalyzeMode || gameMode == EditGame ||
15588 gameMode == EditPosition || gameMode == IcsExamining ||
15589 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15590 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15591 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15592 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15593 gameMode == Training) PopUpMoveDialog(firstChar);
15597 TypeInDoneEvent (char *move)
15600 int n, fromX, fromY, toX, toY;
15602 ChessMove moveType;
15605 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15606 EditPositionPasteFEN(move);
15609 // [HGM] movenum: allow move number to be typed in any mode
15610 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15614 // undocumented kludge: allow command-line option to be typed in!
15615 // (potentially fatal, and does not implement the effect of the option.)
15616 // should only be used for options that are values on which future decisions will be made,
15617 // and definitely not on options that would be used during initialization.
15618 if(strstr(move, "!!! -") == move) {
15619 ParseArgsFromString(move+4);
15623 if (gameMode != EditGame && currentMove != forwardMostMove &&
15624 gameMode != Training) {
15625 DisplayMoveError(_("Displayed move is not current"));
15627 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15628 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15629 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15630 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15631 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15632 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15634 DisplayMoveError(_("Could not parse move"));
15640 DisplayMove (int moveNumber)
15642 char message[MSG_SIZ];
15644 char cpThinkOutput[MSG_SIZ];
15646 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15648 if (moveNumber == forwardMostMove - 1 ||
15649 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15651 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15653 if (strchr(cpThinkOutput, '\n')) {
15654 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15657 *cpThinkOutput = NULLCHAR;
15660 /* [AS] Hide thinking from human user */
15661 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15662 *cpThinkOutput = NULLCHAR;
15663 if( thinkOutput[0] != NULLCHAR ) {
15666 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15667 cpThinkOutput[i] = '.';
15669 cpThinkOutput[i] = NULLCHAR;
15670 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15674 if (moveNumber == forwardMostMove - 1 &&
15675 gameInfo.resultDetails != NULL) {
15676 if (gameInfo.resultDetails[0] == NULLCHAR) {
15677 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15679 snprintf(res, MSG_SIZ, " {%s} %s",
15680 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15686 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15687 DisplayMessage(res, cpThinkOutput);
15689 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15690 WhiteOnMove(moveNumber) ? " " : ".. ",
15691 parseList[moveNumber], res);
15692 DisplayMessage(message, cpThinkOutput);
15697 DisplayComment (int moveNumber, char *text)
15699 char title[MSG_SIZ];
15701 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15702 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15704 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15705 WhiteOnMove(moveNumber) ? " " : ".. ",
15706 parseList[moveNumber]);
15708 if (text != NULL && (appData.autoDisplayComment || commentUp))
15709 CommentPopUp(title, text);
15712 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15713 * might be busy thinking or pondering. It can be omitted if your
15714 * gnuchess is configured to stop thinking immediately on any user
15715 * input. However, that gnuchess feature depends on the FIONREAD
15716 * ioctl, which does not work properly on some flavors of Unix.
15719 Attention (ChessProgramState *cps)
15722 if (!cps->useSigint) return;
15723 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15724 switch (gameMode) {
15725 case MachinePlaysWhite:
15726 case MachinePlaysBlack:
15727 case TwoMachinesPlay:
15728 case IcsPlayingWhite:
15729 case IcsPlayingBlack:
15732 /* Skip if we know it isn't thinking */
15733 if (!cps->maybeThinking) return;
15734 if (appData.debugMode)
15735 fprintf(debugFP, "Interrupting %s\n", cps->which);
15736 InterruptChildProcess(cps->pr);
15737 cps->maybeThinking = FALSE;
15742 #endif /*ATTENTION*/
15748 if (whiteTimeRemaining <= 0) {
15751 if (appData.icsActive) {
15752 if (appData.autoCallFlag &&
15753 gameMode == IcsPlayingBlack && !blackFlag) {
15754 SendToICS(ics_prefix);
15755 SendToICS("flag\n");
15759 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15761 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15762 if (appData.autoCallFlag) {
15763 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15770 if (blackTimeRemaining <= 0) {
15773 if (appData.icsActive) {
15774 if (appData.autoCallFlag &&
15775 gameMode == IcsPlayingWhite && !whiteFlag) {
15776 SendToICS(ics_prefix);
15777 SendToICS("flag\n");
15781 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15783 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15784 if (appData.autoCallFlag) {
15785 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15796 CheckTimeControl ()
15798 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15799 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15802 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15804 if ( !WhiteOnMove(forwardMostMove) ) {
15805 /* White made time control */
15806 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15807 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15808 /* [HGM] time odds: correct new time quota for time odds! */
15809 / WhitePlayer()->timeOdds;
15810 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15812 lastBlack -= blackTimeRemaining;
15813 /* Black made time control */
15814 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15815 / WhitePlayer()->other->timeOdds;
15816 lastWhite = whiteTimeRemaining;
15821 DisplayBothClocks ()
15823 int wom = gameMode == EditPosition ?
15824 !blackPlaysFirst : WhiteOnMove(currentMove);
15825 DisplayWhiteClock(whiteTimeRemaining, wom);
15826 DisplayBlackClock(blackTimeRemaining, !wom);
15830 /* Timekeeping seems to be a portability nightmare. I think everyone
15831 has ftime(), but I'm really not sure, so I'm including some ifdefs
15832 to use other calls if you don't. Clocks will be less accurate if
15833 you have neither ftime nor gettimeofday.
15836 /* VS 2008 requires the #include outside of the function */
15837 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15838 #include <sys/timeb.h>
15841 /* Get the current time as a TimeMark */
15843 GetTimeMark (TimeMark *tm)
15845 #if HAVE_GETTIMEOFDAY
15847 struct timeval timeVal;
15848 struct timezone timeZone;
15850 gettimeofday(&timeVal, &timeZone);
15851 tm->sec = (long) timeVal.tv_sec;
15852 tm->ms = (int) (timeVal.tv_usec / 1000L);
15854 #else /*!HAVE_GETTIMEOFDAY*/
15857 // include <sys/timeb.h> / moved to just above start of function
15858 struct timeb timeB;
15861 tm->sec = (long) timeB.time;
15862 tm->ms = (int) timeB.millitm;
15864 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15865 tm->sec = (long) time(NULL);
15871 /* Return the difference in milliseconds between two
15872 time marks. We assume the difference will fit in a long!
15875 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
15877 return 1000L*(tm2->sec - tm1->sec) +
15878 (long) (tm2->ms - tm1->ms);
15883 * Code to manage the game clocks.
15885 * In tournament play, black starts the clock and then white makes a move.
15886 * We give the human user a slight advantage if he is playing white---the
15887 * clocks don't run until he makes his first move, so it takes zero time.
15888 * Also, we don't account for network lag, so we could get out of sync
15889 * with GNU Chess's clock -- but then, referees are always right.
15892 static TimeMark tickStartTM;
15893 static long intendedTickLength;
15896 NextTickLength (long timeRemaining)
15898 long nominalTickLength, nextTickLength;
15900 if (timeRemaining > 0L && timeRemaining <= 10000L)
15901 nominalTickLength = 100L;
15903 nominalTickLength = 1000L;
15904 nextTickLength = timeRemaining % nominalTickLength;
15905 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15907 return nextTickLength;
15910 /* Adjust clock one minute up or down */
15912 AdjustClock (Boolean which, int dir)
15914 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15915 if(which) blackTimeRemaining += 60000*dir;
15916 else whiteTimeRemaining += 60000*dir;
15917 DisplayBothClocks();
15918 adjustedClock = TRUE;
15921 /* Stop clocks and reset to a fresh time control */
15925 (void) StopClockTimer();
15926 if (appData.icsActive) {
15927 whiteTimeRemaining = blackTimeRemaining = 0;
15928 } else if (searchTime) {
15929 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15930 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15931 } else { /* [HGM] correct new time quote for time odds */
15932 whiteTC = blackTC = fullTimeControlString;
15933 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15934 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15936 if (whiteFlag || blackFlag) {
15938 whiteFlag = blackFlag = FALSE;
15940 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15941 DisplayBothClocks();
15942 adjustedClock = FALSE;
15945 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15947 /* Decrement running clock by amount of time that has passed */
15951 long timeRemaining;
15952 long lastTickLength, fudge;
15955 if (!appData.clockMode) return;
15956 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15960 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15962 /* Fudge if we woke up a little too soon */
15963 fudge = intendedTickLength - lastTickLength;
15964 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15966 if (WhiteOnMove(forwardMostMove)) {
15967 if(whiteNPS >= 0) lastTickLength = 0;
15968 timeRemaining = whiteTimeRemaining -= lastTickLength;
15969 if(timeRemaining < 0 && !appData.icsActive) {
15970 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15971 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15972 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15973 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15976 DisplayWhiteClock(whiteTimeRemaining - fudge,
15977 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15979 if(blackNPS >= 0) lastTickLength = 0;
15980 timeRemaining = blackTimeRemaining -= lastTickLength;
15981 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15982 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15984 blackStartMove = forwardMostMove;
15985 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15988 DisplayBlackClock(blackTimeRemaining - fudge,
15989 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15991 if (CheckFlags()) return;
15994 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15995 StartClockTimer(intendedTickLength);
15997 /* if the time remaining has fallen below the alarm threshold, sound the
15998 * alarm. if the alarm has sounded and (due to a takeback or time control
15999 * with increment) the time remaining has increased to a level above the
16000 * threshold, reset the alarm so it can sound again.
16003 if (appData.icsActive && appData.icsAlarm) {
16005 /* make sure we are dealing with the user's clock */
16006 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16007 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16010 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16011 alarmSounded = FALSE;
16012 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16014 alarmSounded = TRUE;
16020 /* A player has just moved, so stop the previously running
16021 clock and (if in clock mode) start the other one.
16022 We redisplay both clocks in case we're in ICS mode, because
16023 ICS gives us an update to both clocks after every move.
16024 Note that this routine is called *after* forwardMostMove
16025 is updated, so the last fractional tick must be subtracted
16026 from the color that is *not* on move now.
16029 SwitchClocks (int newMoveNr)
16031 long lastTickLength;
16033 int flagged = FALSE;
16037 if (StopClockTimer() && appData.clockMode) {
16038 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16039 if (!WhiteOnMove(forwardMostMove)) {
16040 if(blackNPS >= 0) lastTickLength = 0;
16041 blackTimeRemaining -= lastTickLength;
16042 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16043 // if(pvInfoList[forwardMostMove].time == -1)
16044 pvInfoList[forwardMostMove].time = // use GUI time
16045 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16047 if(whiteNPS >= 0) lastTickLength = 0;
16048 whiteTimeRemaining -= lastTickLength;
16049 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16050 // if(pvInfoList[forwardMostMove].time == -1)
16051 pvInfoList[forwardMostMove].time =
16052 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16054 flagged = CheckFlags();
16056 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16057 CheckTimeControl();
16059 if (flagged || !appData.clockMode) return;
16061 switch (gameMode) {
16062 case MachinePlaysBlack:
16063 case MachinePlaysWhite:
16064 case BeginningOfGame:
16065 if (pausing) return;
16069 case PlayFromGameFile:
16077 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16078 if(WhiteOnMove(forwardMostMove))
16079 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16080 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16084 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16085 whiteTimeRemaining : blackTimeRemaining);
16086 StartClockTimer(intendedTickLength);
16090 /* Stop both clocks */
16094 long lastTickLength;
16097 if (!StopClockTimer()) return;
16098 if (!appData.clockMode) return;
16102 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16103 if (WhiteOnMove(forwardMostMove)) {
16104 if(whiteNPS >= 0) lastTickLength = 0;
16105 whiteTimeRemaining -= lastTickLength;
16106 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16108 if(blackNPS >= 0) lastTickLength = 0;
16109 blackTimeRemaining -= lastTickLength;
16110 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16115 /* Start clock of player on move. Time may have been reset, so
16116 if clock is already running, stop and restart it. */
16120 (void) StopClockTimer(); /* in case it was running already */
16121 DisplayBothClocks();
16122 if (CheckFlags()) return;
16124 if (!appData.clockMode) return;
16125 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16127 GetTimeMark(&tickStartTM);
16128 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16129 whiteTimeRemaining : blackTimeRemaining);
16131 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16132 whiteNPS = blackNPS = -1;
16133 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16134 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16135 whiteNPS = first.nps;
16136 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16137 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16138 blackNPS = first.nps;
16139 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16140 whiteNPS = second.nps;
16141 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16142 blackNPS = second.nps;
16143 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16145 StartClockTimer(intendedTickLength);
16149 TimeString (long ms)
16151 long second, minute, hour, day;
16153 static char buf[32];
16155 if (ms > 0 && ms <= 9900) {
16156 /* convert milliseconds to tenths, rounding up */
16157 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16159 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16163 /* convert milliseconds to seconds, rounding up */
16164 /* use floating point to avoid strangeness of integer division
16165 with negative dividends on many machines */
16166 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16173 day = second / (60 * 60 * 24);
16174 second = second % (60 * 60 * 24);
16175 hour = second / (60 * 60);
16176 second = second % (60 * 60);
16177 minute = second / 60;
16178 second = second % 60;
16181 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16182 sign, day, hour, minute, second);
16184 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16186 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16193 * This is necessary because some C libraries aren't ANSI C compliant yet.
16196 StrStr (char *string, char *match)
16200 length = strlen(match);
16202 for (i = strlen(string) - length; i >= 0; i--, string++)
16203 if (!strncmp(match, string, length))
16210 StrCaseStr (char *string, char *match)
16214 length = strlen(match);
16216 for (i = strlen(string) - length; i >= 0; i--, string++) {
16217 for (j = 0; j < length; j++) {
16218 if (ToLower(match[j]) != ToLower(string[j]))
16221 if (j == length) return string;
16229 StrCaseCmp (char *s1, char *s2)
16234 c1 = ToLower(*s1++);
16235 c2 = ToLower(*s2++);
16236 if (c1 > c2) return 1;
16237 if (c1 < c2) return -1;
16238 if (c1 == NULLCHAR) return 0;
16246 return isupper(c) ? tolower(c) : c;
16253 return islower(c) ? toupper(c) : c;
16255 #endif /* !_amigados */
16262 if ((ret = (char *) malloc(strlen(s) + 1)))
16264 safeStrCpy(ret, s, strlen(s)+1);
16270 StrSavePtr (char *s, char **savePtr)
16275 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16276 safeStrCpy(*savePtr, s, strlen(s)+1);
16288 clock = time((time_t *)NULL);
16289 tm = localtime(&clock);
16290 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16291 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16292 return StrSave(buf);
16297 PositionToFEN (int move, char *overrideCastling)
16299 int i, j, fromX, fromY, toX, toY;
16306 whiteToPlay = (gameMode == EditPosition) ?
16307 !blackPlaysFirst : (move % 2 == 0);
16310 /* Piece placement data */
16311 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16312 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16314 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16315 if (boards[move][i][j] == EmptySquare) {
16317 } else { ChessSquare piece = boards[move][i][j];
16318 if (emptycount > 0) {
16319 if(emptycount<10) /* [HGM] can be >= 10 */
16320 *p++ = '0' + emptycount;
16321 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16324 if(PieceToChar(piece) == '+') {
16325 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16327 piece = (ChessSquare)(DEMOTED piece);
16329 *p++ = PieceToChar(piece);
16331 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16332 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16337 if (emptycount > 0) {
16338 if(emptycount<10) /* [HGM] can be >= 10 */
16339 *p++ = '0' + emptycount;
16340 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16347 /* [HGM] print Crazyhouse or Shogi holdings */
16348 if( gameInfo.holdingsWidth ) {
16349 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16351 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16352 piece = boards[move][i][BOARD_WIDTH-1];
16353 if( piece != EmptySquare )
16354 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16355 *p++ = PieceToChar(piece);
16357 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16358 piece = boards[move][BOARD_HEIGHT-i-1][0];
16359 if( piece != EmptySquare )
16360 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16361 *p++ = PieceToChar(piece);
16364 if( q == p ) *p++ = '-';
16370 *p++ = whiteToPlay ? 'w' : 'b';
16373 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16374 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16376 if(nrCastlingRights) {
16378 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16379 /* [HGM] write directly from rights */
16380 if(boards[move][CASTLING][2] != NoRights &&
16381 boards[move][CASTLING][0] != NoRights )
16382 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16383 if(boards[move][CASTLING][2] != NoRights &&
16384 boards[move][CASTLING][1] != NoRights )
16385 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16386 if(boards[move][CASTLING][5] != NoRights &&
16387 boards[move][CASTLING][3] != NoRights )
16388 *p++ = boards[move][CASTLING][3] + AAA;
16389 if(boards[move][CASTLING][5] != NoRights &&
16390 boards[move][CASTLING][4] != NoRights )
16391 *p++ = boards[move][CASTLING][4] + AAA;
16394 /* [HGM] write true castling rights */
16395 if( nrCastlingRights == 6 ) {
16396 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16397 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16398 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16399 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16400 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16401 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16402 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16403 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16406 if (q == p) *p++ = '-'; /* No castling rights */
16410 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16411 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16412 /* En passant target square */
16413 if (move > backwardMostMove) {
16414 fromX = moveList[move - 1][0] - AAA;
16415 fromY = moveList[move - 1][1] - ONE;
16416 toX = moveList[move - 1][2] - AAA;
16417 toY = moveList[move - 1][3] - ONE;
16418 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16419 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16420 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16422 /* 2-square pawn move just happened */
16424 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16428 } else if(move == backwardMostMove) {
16429 // [HGM] perhaps we should always do it like this, and forget the above?
16430 if((signed char)boards[move][EP_STATUS] >= 0) {
16431 *p++ = boards[move][EP_STATUS] + AAA;
16432 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16443 /* [HGM] find reversible plies */
16444 { int i = 0, j=move;
16446 if (appData.debugMode) { int k;
16447 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16448 for(k=backwardMostMove; k<=forwardMostMove; k++)
16449 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16453 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16454 if( j == backwardMostMove ) i += initialRulePlies;
16455 sprintf(p, "%d ", i);
16456 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16458 /* Fullmove number */
16459 sprintf(p, "%d", (move / 2) + 1);
16461 return StrSave(buf);
16465 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16474 /* [HGM] by default clear Crazyhouse holdings, if present */
16475 if(gameInfo.holdingsWidth) {
16476 for(i=0; i<BOARD_HEIGHT; i++) {
16477 board[i][0] = EmptySquare; /* black holdings */
16478 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16479 board[i][1] = (ChessSquare) 0; /* black counts */
16480 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16484 /* Piece placement data */
16485 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16488 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16489 if (*p == '/') p++;
16490 emptycount = gameInfo.boardWidth - j;
16491 while (emptycount--)
16492 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16494 #if(BOARD_FILES >= 10)
16495 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16496 p++; emptycount=10;
16497 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16498 while (emptycount--)
16499 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16501 } else if (isdigit(*p)) {
16502 emptycount = *p++ - '0';
16503 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16504 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16505 while (emptycount--)
16506 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16507 } else if (*p == '+' || isalpha(*p)) {
16508 if (j >= gameInfo.boardWidth) return FALSE;
16510 piece = CharToPiece(*++p);
16511 if(piece == EmptySquare) return FALSE; /* unknown piece */
16512 piece = (ChessSquare) (PROMOTED piece ); p++;
16513 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16514 } else piece = CharToPiece(*p++);
16516 if(piece==EmptySquare) return FALSE; /* unknown piece */
16517 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16518 piece = (ChessSquare) (PROMOTED piece);
16519 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16522 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16528 while (*p == '/' || *p == ' ') p++;
16530 /* [HGM] look for Crazyhouse holdings here */
16531 while(*p==' ') p++;
16532 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16534 if(*p == '-' ) p++; /* empty holdings */ else {
16535 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16536 /* if we would allow FEN reading to set board size, we would */
16537 /* have to add holdings and shift the board read so far here */
16538 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16540 if((int) piece >= (int) BlackPawn ) {
16541 i = (int)piece - (int)BlackPawn;
16542 i = PieceToNumber((ChessSquare)i);
16543 if( i >= gameInfo.holdingsSize ) return FALSE;
16544 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16545 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16547 i = (int)piece - (int)WhitePawn;
16548 i = PieceToNumber((ChessSquare)i);
16549 if( i >= gameInfo.holdingsSize ) return FALSE;
16550 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16551 board[i][BOARD_WIDTH-2]++; /* black holdings */
16558 while(*p == ' ') p++;
16562 if(appData.colorNickNames) {
16563 if( c == appData.colorNickNames[0] ) c = 'w'; else
16564 if( c == appData.colorNickNames[1] ) c = 'b';
16568 *blackPlaysFirst = FALSE;
16571 *blackPlaysFirst = TRUE;
16577 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16578 /* return the extra info in global variiables */
16580 /* set defaults in case FEN is incomplete */
16581 board[EP_STATUS] = EP_UNKNOWN;
16582 for(i=0; i<nrCastlingRights; i++ ) {
16583 board[CASTLING][i] =
16584 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16585 } /* assume possible unless obviously impossible */
16586 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16587 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16588 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16589 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16590 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16591 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16592 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16593 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16596 while(*p==' ') p++;
16597 if(nrCastlingRights) {
16598 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16599 /* castling indicator present, so default becomes no castlings */
16600 for(i=0; i<nrCastlingRights; i++ ) {
16601 board[CASTLING][i] = NoRights;
16604 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16605 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16606 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16607 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16608 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16610 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16611 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16612 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16614 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16615 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16616 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16617 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16618 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16619 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16622 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16623 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16624 board[CASTLING][2] = whiteKingFile;
16627 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16628 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16629 board[CASTLING][2] = whiteKingFile;
16632 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16633 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16634 board[CASTLING][5] = blackKingFile;
16637 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16638 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16639 board[CASTLING][5] = blackKingFile;
16642 default: /* FRC castlings */
16643 if(c >= 'a') { /* black rights */
16644 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16645 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16646 if(i == BOARD_RGHT) break;
16647 board[CASTLING][5] = i;
16649 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16650 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16652 board[CASTLING][3] = c;
16654 board[CASTLING][4] = c;
16655 } else { /* white rights */
16656 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16657 if(board[0][i] == WhiteKing) break;
16658 if(i == BOARD_RGHT) break;
16659 board[CASTLING][2] = i;
16660 c -= AAA - 'a' + 'A';
16661 if(board[0][c] >= WhiteKing) break;
16663 board[CASTLING][0] = c;
16665 board[CASTLING][1] = c;
16669 for(i=0; i<nrCastlingRights; i++)
16670 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16671 if (appData.debugMode) {
16672 fprintf(debugFP, "FEN castling rights:");
16673 for(i=0; i<nrCastlingRights; i++)
16674 fprintf(debugFP, " %d", board[CASTLING][i]);
16675 fprintf(debugFP, "\n");
16678 while(*p==' ') p++;
16681 /* read e.p. field in games that know e.p. capture */
16682 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16683 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16685 p++; board[EP_STATUS] = EP_NONE;
16687 char c = *p++ - AAA;
16689 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16690 if(*p >= '0' && *p <='9') p++;
16691 board[EP_STATUS] = c;
16696 if(sscanf(p, "%d", &i) == 1) {
16697 FENrulePlies = i; /* 50-move ply counter */
16698 /* (The move number is still ignored) */
16705 EditPositionPasteFEN (char *fen)
16708 Board initial_position;
16710 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16711 DisplayError(_("Bad FEN position in clipboard"), 0);
16714 int savedBlackPlaysFirst = blackPlaysFirst;
16715 EditPositionEvent();
16716 blackPlaysFirst = savedBlackPlaysFirst;
16717 CopyBoard(boards[0], initial_position);
16718 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16719 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16720 DisplayBothClocks();
16721 DrawPosition(FALSE, boards[currentMove]);
16726 static char cseq[12] = "\\ ";
16729 set_cont_sequence (char *new_seq)
16734 // handle bad attempts to set the sequence
16736 return 0; // acceptable error - no debug
16738 len = strlen(new_seq);
16739 ret = (len > 0) && (len < sizeof(cseq));
16741 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16742 else if (appData.debugMode)
16743 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16748 reformat a source message so words don't cross the width boundary. internal
16749 newlines are not removed. returns the wrapped size (no null character unless
16750 included in source message). If dest is NULL, only calculate the size required
16751 for the dest buffer. lp argument indicats line position upon entry, and it's
16752 passed back upon exit.
16755 wrap (char *dest, char *src, int count, int width, int *lp)
16757 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16759 cseq_len = strlen(cseq);
16760 old_line = line = *lp;
16761 ansi = len = clen = 0;
16763 for (i=0; i < count; i++)
16765 if (src[i] == '\033')
16768 // if we hit the width, back up
16769 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16771 // store i & len in case the word is too long
16772 old_i = i, old_len = len;
16774 // find the end of the last word
16775 while (i && src[i] != ' ' && src[i] != '\n')
16781 // word too long? restore i & len before splitting it
16782 if ((old_i-i+clen) >= width)
16789 if (i && src[i-1] == ' ')
16792 if (src[i] != ' ' && src[i] != '\n')
16799 // now append the newline and continuation sequence
16804 strncpy(dest+len, cseq, cseq_len);
16812 dest[len] = src[i];
16816 if (src[i] == '\n')
16821 if (dest && appData.debugMode)
16823 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16824 count, width, line, len, *lp);
16825 show_bytes(debugFP, src, count);
16826 fprintf(debugFP, "\ndest: ");
16827 show_bytes(debugFP, dest, len);
16828 fprintf(debugFP, "\n");
16830 *lp = dest ? line : old_line;
16835 // [HGM] vari: routines for shelving variations
16836 Boolean modeRestore = FALSE;
16839 PushInner (int firstMove, int lastMove)
16841 int i, j, nrMoves = lastMove - firstMove;
16843 // push current tail of game on stack
16844 savedResult[storedGames] = gameInfo.result;
16845 savedDetails[storedGames] = gameInfo.resultDetails;
16846 gameInfo.resultDetails = NULL;
16847 savedFirst[storedGames] = firstMove;
16848 savedLast [storedGames] = lastMove;
16849 savedFramePtr[storedGames] = framePtr;
16850 framePtr -= nrMoves; // reserve space for the boards
16851 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16852 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16853 for(j=0; j<MOVE_LEN; j++)
16854 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16855 for(j=0; j<2*MOVE_LEN; j++)
16856 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16857 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16858 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16859 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16860 pvInfoList[firstMove+i-1].depth = 0;
16861 commentList[framePtr+i] = commentList[firstMove+i];
16862 commentList[firstMove+i] = NULL;
16866 forwardMostMove = firstMove; // truncate game so we can start variation
16870 PushTail (int firstMove, int lastMove)
16872 if(appData.icsActive) { // only in local mode
16873 forwardMostMove = currentMove; // mimic old ICS behavior
16876 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16878 PushInner(firstMove, lastMove);
16879 if(storedGames == 1) GreyRevert(FALSE);
16880 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16884 PopInner (Boolean annotate)
16887 char buf[8000], moveBuf[20];
16889 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16890 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16891 nrMoves = savedLast[storedGames] - currentMove;
16894 if(!WhiteOnMove(currentMove))
16895 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16896 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16897 for(i=currentMove; i<forwardMostMove; i++) {
16899 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16900 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16901 strcat(buf, moveBuf);
16902 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16903 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16907 for(i=1; i<=nrMoves; i++) { // copy last variation back
16908 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16909 for(j=0; j<MOVE_LEN; j++)
16910 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16911 for(j=0; j<2*MOVE_LEN; j++)
16912 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16913 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16914 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16915 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16916 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16917 commentList[currentMove+i] = commentList[framePtr+i];
16918 commentList[framePtr+i] = NULL;
16920 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16921 framePtr = savedFramePtr[storedGames];
16922 gameInfo.result = savedResult[storedGames];
16923 if(gameInfo.resultDetails != NULL) {
16924 free(gameInfo.resultDetails);
16926 gameInfo.resultDetails = savedDetails[storedGames];
16927 forwardMostMove = currentMove + nrMoves;
16931 PopTail (Boolean annotate)
16933 if(appData.icsActive) return FALSE; // only in local mode
16934 if(!storedGames) return FALSE; // sanity
16935 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16937 PopInner(annotate);
16938 if(currentMove < forwardMostMove) ForwardEvent(); else
16939 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16941 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16947 { // remove all shelved variations
16949 for(i=0; i<storedGames; i++) {
16950 if(savedDetails[i])
16951 free(savedDetails[i]);
16952 savedDetails[i] = NULL;
16954 for(i=framePtr; i<MAX_MOVES; i++) {
16955 if(commentList[i]) free(commentList[i]);
16956 commentList[i] = NULL;
16958 framePtr = MAX_MOVES-1;
16963 LoadVariation (int index, char *text)
16964 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16965 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16966 int level = 0, move;
16968 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
16969 // first find outermost bracketing variation
16970 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16971 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16972 if(*p == '{') wait = '}'; else
16973 if(*p == '[') wait = ']'; else
16974 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16975 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16977 if(*p == wait) wait = NULLCHAR; // closing ]} found
16980 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16981 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16982 end[1] = NULLCHAR; // clip off comment beyond variation
16983 ToNrEvent(currentMove-1);
16984 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16985 // kludge: use ParsePV() to append variation to game
16986 move = currentMove;
16987 ParsePV(start, TRUE, TRUE);
16988 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16989 ClearPremoveHighlights();
16991 ToNrEvent(currentMove+1);