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 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
10077 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10078 if(strcmp(buf, currentDebugFile)) { // name has changed
10079 FILE *f = fopen(buf, "w");
10080 if(f) { // if opening the new file failed, just keep using the old one
10081 ASSIGN(currentDebugFile, buf);
10087 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10088 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10089 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10090 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10091 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10092 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10093 Reset(FALSE, first.pr != NoProc);
10094 res = LoadGameOrPosition(matchGame); // setup game
10095 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10096 if(!res) return; // abort when bad game/pos file
10097 TwoMachinesEvent();
10101 UserAdjudicationEvent (int result)
10103 ChessMove gameResult = GameIsDrawn;
10106 gameResult = WhiteWins;
10108 else if( result < 0 ) {
10109 gameResult = BlackWins;
10112 if( gameMode == TwoMachinesPlay ) {
10113 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10118 // [HGM] save: calculate checksum of game to make games easily identifiable
10120 StringCheckSum (char *s)
10123 if(s==NULL) return 0;
10124 while(*s) i = i*259 + *s++;
10132 for(i=backwardMostMove; i<forwardMostMove; i++) {
10133 sum += pvInfoList[i].depth;
10134 sum += StringCheckSum(parseList[i]);
10135 sum += StringCheckSum(commentList[i]);
10138 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10139 return sum + StringCheckSum(commentList[i]);
10140 } // end of save patch
10143 GameEnds (ChessMove result, char *resultDetails, int whosays)
10145 GameMode nextGameMode;
10147 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10149 if(endingGame) return; /* [HGM] crash: forbid recursion */
10151 if(twoBoards) { // [HGM] dual: switch back to one board
10152 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10153 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10155 if (appData.debugMode) {
10156 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10157 result, resultDetails ? resultDetails : "(null)", whosays);
10160 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10162 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10163 /* If we are playing on ICS, the server decides when the
10164 game is over, but the engine can offer to draw, claim
10168 if (appData.zippyPlay && first.initDone) {
10169 if (result == GameIsDrawn) {
10170 /* In case draw still needs to be claimed */
10171 SendToICS(ics_prefix);
10172 SendToICS("draw\n");
10173 } else if (StrCaseStr(resultDetails, "resign")) {
10174 SendToICS(ics_prefix);
10175 SendToICS("resign\n");
10179 endingGame = 0; /* [HGM] crash */
10183 /* If we're loading the game from a file, stop */
10184 if (whosays == GE_FILE) {
10185 (void) StopLoadGameTimer();
10189 /* Cancel draw offers */
10190 first.offeredDraw = second.offeredDraw = 0;
10192 /* If this is an ICS game, only ICS can really say it's done;
10193 if not, anyone can. */
10194 isIcsGame = (gameMode == IcsPlayingWhite ||
10195 gameMode == IcsPlayingBlack ||
10196 gameMode == IcsObserving ||
10197 gameMode == IcsExamining);
10199 if (!isIcsGame || whosays == GE_ICS) {
10200 /* OK -- not an ICS game, or ICS said it was done */
10202 if (!isIcsGame && !appData.noChessProgram)
10203 SetUserThinkingEnables();
10205 /* [HGM] if a machine claims the game end we verify this claim */
10206 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10207 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10209 ChessMove trueResult = (ChessMove) -1;
10211 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10212 first.twoMachinesColor[0] :
10213 second.twoMachinesColor[0] ;
10215 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10216 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10217 /* [HGM] verify: engine mate claims accepted if they were flagged */
10218 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10220 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10221 /* [HGM] verify: engine mate claims accepted if they were flagged */
10222 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10224 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10225 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10228 // now verify win claims, but not in drop games, as we don't understand those yet
10229 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10230 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10231 (result == WhiteWins && claimer == 'w' ||
10232 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10233 if (appData.debugMode) {
10234 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10235 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10237 if(result != trueResult) {
10238 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10239 result = claimer == 'w' ? BlackWins : WhiteWins;
10240 resultDetails = buf;
10243 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10244 && (forwardMostMove <= backwardMostMove ||
10245 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10246 (claimer=='b')==(forwardMostMove&1))
10248 /* [HGM] verify: draws that were not flagged are false claims */
10249 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10250 result = claimer == 'w' ? BlackWins : WhiteWins;
10251 resultDetails = buf;
10253 /* (Claiming a loss is accepted no questions asked!) */
10255 /* [HGM] bare: don't allow bare King to win */
10256 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10257 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10258 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10259 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10260 && result != GameIsDrawn)
10261 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10262 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10263 int p = (signed char)boards[forwardMostMove][i][j] - color;
10264 if(p >= 0 && p <= (int)WhiteKing) k++;
10266 if (appData.debugMode) {
10267 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10268 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10271 result = GameIsDrawn;
10272 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10273 resultDetails = buf;
10279 if(serverMoves != NULL && !loadFlag) { char c = '=';
10280 if(result==WhiteWins) c = '+';
10281 if(result==BlackWins) c = '-';
10282 if(resultDetails != NULL)
10283 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10285 if (resultDetails != NULL) {
10286 gameInfo.result = result;
10287 gameInfo.resultDetails = StrSave(resultDetails);
10289 /* display last move only if game was not loaded from file */
10290 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10291 DisplayMove(currentMove - 1);
10293 if (forwardMostMove != 0) {
10294 if (gameMode != PlayFromGameFile && gameMode != EditGame
10295 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10297 if (*appData.saveGameFile != NULLCHAR) {
10298 SaveGameToFile(appData.saveGameFile, TRUE);
10299 } else if (appData.autoSaveGames) {
10302 if (*appData.savePositionFile != NULLCHAR) {
10303 SavePositionToFile(appData.savePositionFile);
10308 /* Tell program how game ended in case it is learning */
10309 /* [HGM] Moved this to after saving the PGN, just in case */
10310 /* engine died and we got here through time loss. In that */
10311 /* case we will get a fatal error writing the pipe, which */
10312 /* would otherwise lose us the PGN. */
10313 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10314 /* output during GameEnds should never be fatal anymore */
10315 if (gameMode == MachinePlaysWhite ||
10316 gameMode == MachinePlaysBlack ||
10317 gameMode == TwoMachinesPlay ||
10318 gameMode == IcsPlayingWhite ||
10319 gameMode == IcsPlayingBlack ||
10320 gameMode == BeginningOfGame) {
10322 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10324 if (first.pr != NoProc) {
10325 SendToProgram(buf, &first);
10327 if (second.pr != NoProc &&
10328 gameMode == TwoMachinesPlay) {
10329 SendToProgram(buf, &second);
10334 if (appData.icsActive) {
10335 if (appData.quietPlay &&
10336 (gameMode == IcsPlayingWhite ||
10337 gameMode == IcsPlayingBlack)) {
10338 SendToICS(ics_prefix);
10339 SendToICS("set shout 1\n");
10341 nextGameMode = IcsIdle;
10342 ics_user_moved = FALSE;
10343 /* clean up premove. It's ugly when the game has ended and the
10344 * premove highlights are still on the board.
10347 gotPremove = FALSE;
10348 ClearPremoveHighlights();
10349 DrawPosition(FALSE, boards[currentMove]);
10351 if (whosays == GE_ICS) {
10354 if (gameMode == IcsPlayingWhite)
10356 else if(gameMode == IcsPlayingBlack)
10357 PlayIcsLossSound();
10360 if (gameMode == IcsPlayingBlack)
10362 else if(gameMode == IcsPlayingWhite)
10363 PlayIcsLossSound();
10366 PlayIcsDrawSound();
10369 PlayIcsUnfinishedSound();
10372 } else if (gameMode == EditGame ||
10373 gameMode == PlayFromGameFile ||
10374 gameMode == AnalyzeMode ||
10375 gameMode == AnalyzeFile) {
10376 nextGameMode = gameMode;
10378 nextGameMode = EndOfGame;
10383 nextGameMode = gameMode;
10386 if (appData.noChessProgram) {
10387 gameMode = nextGameMode;
10389 endingGame = 0; /* [HGM] crash */
10394 /* Put first chess program into idle state */
10395 if (first.pr != NoProc &&
10396 (gameMode == MachinePlaysWhite ||
10397 gameMode == MachinePlaysBlack ||
10398 gameMode == TwoMachinesPlay ||
10399 gameMode == IcsPlayingWhite ||
10400 gameMode == IcsPlayingBlack ||
10401 gameMode == BeginningOfGame)) {
10402 SendToProgram("force\n", &first);
10403 if (first.usePing) {
10405 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10406 SendToProgram(buf, &first);
10409 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10410 /* Kill off first chess program */
10411 if (first.isr != NULL)
10412 RemoveInputSource(first.isr);
10415 if (first.pr != NoProc) {
10417 DoSleep( appData.delayBeforeQuit );
10418 SendToProgram("quit\n", &first);
10419 DoSleep( appData.delayAfterQuit );
10420 DestroyChildProcess(first.pr, first.useSigterm);
10424 if (second.reuse) {
10425 /* Put second chess program into idle state */
10426 if (second.pr != NoProc &&
10427 gameMode == TwoMachinesPlay) {
10428 SendToProgram("force\n", &second);
10429 if (second.usePing) {
10431 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10432 SendToProgram(buf, &second);
10435 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10436 /* Kill off second chess program */
10437 if (second.isr != NULL)
10438 RemoveInputSource(second.isr);
10441 if (second.pr != NoProc) {
10442 DoSleep( appData.delayBeforeQuit );
10443 SendToProgram("quit\n", &second);
10444 DoSleep( appData.delayAfterQuit );
10445 DestroyChildProcess(second.pr, second.useSigterm);
10447 second.pr = NoProc;
10450 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10451 char resChar = '=';
10455 if (first.twoMachinesColor[0] == 'w') {
10458 second.matchWins++;
10463 if (first.twoMachinesColor[0] == 'b') {
10466 second.matchWins++;
10469 case GameUnfinished:
10475 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10476 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10477 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10478 ReserveGame(nextGame, resChar); // sets nextGame
10479 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10480 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10481 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10483 if (nextGame <= appData.matchGames && !abortMatch) {
10484 gameMode = nextGameMode;
10485 matchGame = nextGame; // this will be overruled in tourney mode!
10486 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10487 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10488 endingGame = 0; /* [HGM] crash */
10491 gameMode = nextGameMode;
10492 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10493 first.tidy, second.tidy,
10494 first.matchWins, second.matchWins,
10495 appData.matchGames - (first.matchWins + second.matchWins));
10496 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10497 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10498 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10499 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10500 first.twoMachinesColor = "black\n";
10501 second.twoMachinesColor = "white\n";
10503 first.twoMachinesColor = "white\n";
10504 second.twoMachinesColor = "black\n";
10508 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10509 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10511 gameMode = nextGameMode;
10513 endingGame = 0; /* [HGM] crash */
10514 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10515 if(matchMode == TRUE) { // match through command line: exit with or without popup
10517 ToNrEvent(forwardMostMove);
10518 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10520 } else DisplayFatalError(buf, 0, 0);
10521 } else { // match through menu; just stop, with or without popup
10522 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10525 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10526 } else DisplayNote(buf);
10528 if(ranking) free(ranking);
10532 /* Assumes program was just initialized (initString sent).
10533 Leaves program in force mode. */
10535 FeedMovesToProgram (ChessProgramState *cps, int upto)
10539 if (appData.debugMode)
10540 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10541 startedFromSetupPosition ? "position and " : "",
10542 backwardMostMove, upto, cps->which);
10543 if(currentlyInitializedVariant != gameInfo.variant) {
10545 // [HGM] variantswitch: make engine aware of new variant
10546 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10547 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10548 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10549 SendToProgram(buf, cps);
10550 currentlyInitializedVariant = gameInfo.variant;
10552 SendToProgram("force\n", cps);
10553 if (startedFromSetupPosition) {
10554 SendBoard(cps, backwardMostMove);
10555 if (appData.debugMode) {
10556 fprintf(debugFP, "feedMoves\n");
10559 for (i = backwardMostMove; i < upto; i++) {
10560 SendMoveToProgram(i, cps);
10566 ResurrectChessProgram ()
10568 /* The chess program may have exited.
10569 If so, restart it and feed it all the moves made so far. */
10570 static int doInit = 0;
10572 if (appData.noChessProgram) return 1;
10574 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10575 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10576 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10577 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10579 if (first.pr != NoProc) return 1;
10580 StartChessProgram(&first);
10582 InitChessProgram(&first, FALSE);
10583 FeedMovesToProgram(&first, currentMove);
10585 if (!first.sendTime) {
10586 /* can't tell gnuchess what its clock should read,
10587 so we bow to its notion. */
10589 timeRemaining[0][currentMove] = whiteTimeRemaining;
10590 timeRemaining[1][currentMove] = blackTimeRemaining;
10593 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10594 appData.icsEngineAnalyze) && first.analysisSupport) {
10595 SendToProgram("analyze\n", &first);
10596 first.analyzing = TRUE;
10602 * Button procedures
10605 Reset (int redraw, int init)
10609 if (appData.debugMode) {
10610 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10611 redraw, init, gameMode);
10613 CleanupTail(); // [HGM] vari: delete any stored variations
10614 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10615 pausing = pauseExamInvalid = FALSE;
10616 startedFromSetupPosition = blackPlaysFirst = FALSE;
10618 whiteFlag = blackFlag = FALSE;
10619 userOfferedDraw = FALSE;
10620 hintRequested = bookRequested = FALSE;
10621 first.maybeThinking = FALSE;
10622 second.maybeThinking = FALSE;
10623 first.bookSuspend = FALSE; // [HGM] book
10624 second.bookSuspend = FALSE;
10625 thinkOutput[0] = NULLCHAR;
10626 lastHint[0] = NULLCHAR;
10627 ClearGameInfo(&gameInfo);
10628 gameInfo.variant = StringToVariant(appData.variant);
10629 ics_user_moved = ics_clock_paused = FALSE;
10630 ics_getting_history = H_FALSE;
10632 white_holding[0] = black_holding[0] = NULLCHAR;
10633 ClearProgramStats();
10634 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10638 flipView = appData.flipView;
10639 ClearPremoveHighlights();
10640 gotPremove = FALSE;
10641 alarmSounded = FALSE;
10643 GameEnds(EndOfFile, NULL, GE_PLAYER);
10644 if(appData.serverMovesName != NULL) {
10645 /* [HGM] prepare to make moves file for broadcasting */
10646 clock_t t = clock();
10647 if(serverMoves != NULL) fclose(serverMoves);
10648 serverMoves = fopen(appData.serverMovesName, "r");
10649 if(serverMoves != NULL) {
10650 fclose(serverMoves);
10651 /* delay 15 sec before overwriting, so all clients can see end */
10652 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10654 serverMoves = fopen(appData.serverMovesName, "w");
10658 gameMode = BeginningOfGame;
10660 if(appData.icsActive) gameInfo.variant = VariantNormal;
10661 currentMove = forwardMostMove = backwardMostMove = 0;
10662 MarkTargetSquares(1);
10663 InitPosition(redraw);
10664 for (i = 0; i < MAX_MOVES; i++) {
10665 if (commentList[i] != NULL) {
10666 free(commentList[i]);
10667 commentList[i] = NULL;
10671 timeRemaining[0][0] = whiteTimeRemaining;
10672 timeRemaining[1][0] = blackTimeRemaining;
10674 if (first.pr == NoProc) {
10675 StartChessProgram(&first);
10678 InitChessProgram(&first, startedFromSetupPosition);
10681 DisplayMessage("", "");
10682 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10683 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10687 AutoPlayGameLoop ()
10690 if (!AutoPlayOneMove())
10692 if (matchMode || appData.timeDelay == 0)
10694 if (appData.timeDelay < 0)
10696 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10705 int fromX, fromY, toX, toY;
10707 if (appData.debugMode) {
10708 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10711 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10714 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10715 pvInfoList[currentMove].depth = programStats.depth;
10716 pvInfoList[currentMove].score = programStats.score;
10717 pvInfoList[currentMove].time = 0;
10718 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10721 if (currentMove >= forwardMostMove) {
10722 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10723 // gameMode = EndOfGame;
10724 // ModeHighlight();
10726 /* [AS] Clear current move marker at the end of a game */
10727 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10732 toX = moveList[currentMove][2] - AAA;
10733 toY = moveList[currentMove][3] - ONE;
10735 if (moveList[currentMove][1] == '@') {
10736 if (appData.highlightLastMove) {
10737 SetHighlights(-1, -1, toX, toY);
10740 fromX = moveList[currentMove][0] - AAA;
10741 fromY = moveList[currentMove][1] - ONE;
10743 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10745 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10747 if (appData.highlightLastMove) {
10748 SetHighlights(fromX, fromY, toX, toY);
10751 DisplayMove(currentMove);
10752 SendMoveToProgram(currentMove++, &first);
10753 DisplayBothClocks();
10754 DrawPosition(FALSE, boards[currentMove]);
10755 // [HGM] PV info: always display, routine tests if empty
10756 DisplayComment(currentMove - 1, commentList[currentMove]);
10762 LoadGameOneMove (ChessMove readAhead)
10764 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10765 char promoChar = NULLCHAR;
10766 ChessMove moveType;
10767 char move[MSG_SIZ];
10770 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10771 gameMode != AnalyzeMode && gameMode != Training) {
10776 yyboardindex = forwardMostMove;
10777 if (readAhead != EndOfFile) {
10778 moveType = readAhead;
10780 if (gameFileFP == NULL)
10782 moveType = (ChessMove) Myylex();
10786 switch (moveType) {
10788 if (appData.debugMode)
10789 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10792 /* append the comment but don't display it */
10793 AppendComment(currentMove, p, FALSE);
10796 case WhiteCapturesEnPassant:
10797 case BlackCapturesEnPassant:
10798 case WhitePromotion:
10799 case BlackPromotion:
10800 case WhiteNonPromotion:
10801 case BlackNonPromotion:
10803 case WhiteKingSideCastle:
10804 case WhiteQueenSideCastle:
10805 case BlackKingSideCastle:
10806 case BlackQueenSideCastle:
10807 case WhiteKingSideCastleWild:
10808 case WhiteQueenSideCastleWild:
10809 case BlackKingSideCastleWild:
10810 case BlackQueenSideCastleWild:
10812 case WhiteHSideCastleFR:
10813 case WhiteASideCastleFR:
10814 case BlackHSideCastleFR:
10815 case BlackASideCastleFR:
10817 if (appData.debugMode)
10818 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10819 fromX = currentMoveString[0] - AAA;
10820 fromY = currentMoveString[1] - ONE;
10821 toX = currentMoveString[2] - AAA;
10822 toY = currentMoveString[3] - ONE;
10823 promoChar = currentMoveString[4];
10828 if (appData.debugMode)
10829 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10830 fromX = moveType == WhiteDrop ?
10831 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10832 (int) CharToPiece(ToLower(currentMoveString[0]));
10834 toX = currentMoveString[2] - AAA;
10835 toY = currentMoveString[3] - ONE;
10841 case GameUnfinished:
10842 if (appData.debugMode)
10843 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10844 p = strchr(yy_text, '{');
10845 if (p == NULL) p = strchr(yy_text, '(');
10848 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10850 q = strchr(p, *p == '{' ? '}' : ')');
10851 if (q != NULL) *q = NULLCHAR;
10854 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10855 GameEnds(moveType, p, GE_FILE);
10857 if (cmailMsgLoaded) {
10859 flipView = WhiteOnMove(currentMove);
10860 if (moveType == GameUnfinished) flipView = !flipView;
10861 if (appData.debugMode)
10862 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10867 if (appData.debugMode)
10868 fprintf(debugFP, "Parser hit end of file\n");
10869 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10875 if (WhiteOnMove(currentMove)) {
10876 GameEnds(BlackWins, "Black mates", GE_FILE);
10878 GameEnds(WhiteWins, "White mates", GE_FILE);
10882 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10888 case MoveNumberOne:
10889 if (lastLoadGameStart == GNUChessGame) {
10890 /* GNUChessGames have numbers, but they aren't move numbers */
10891 if (appData.debugMode)
10892 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10893 yy_text, (int) moveType);
10894 return LoadGameOneMove(EndOfFile); /* tail recursion */
10896 /* else fall thru */
10901 /* Reached start of next game in file */
10902 if (appData.debugMode)
10903 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10904 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10910 if (WhiteOnMove(currentMove)) {
10911 GameEnds(BlackWins, "Black mates", GE_FILE);
10913 GameEnds(WhiteWins, "White mates", GE_FILE);
10917 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10923 case PositionDiagram: /* should not happen; ignore */
10924 case ElapsedTime: /* ignore */
10925 case NAG: /* ignore */
10926 if (appData.debugMode)
10927 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10928 yy_text, (int) moveType);
10929 return LoadGameOneMove(EndOfFile); /* tail recursion */
10932 if (appData.testLegality) {
10933 if (appData.debugMode)
10934 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10935 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10936 (forwardMostMove / 2) + 1,
10937 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10938 DisplayError(move, 0);
10941 if (appData.debugMode)
10942 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10943 yy_text, currentMoveString);
10944 fromX = currentMoveString[0] - AAA;
10945 fromY = currentMoveString[1] - ONE;
10946 toX = currentMoveString[2] - AAA;
10947 toY = currentMoveString[3] - ONE;
10948 promoChar = currentMoveString[4];
10952 case AmbiguousMove:
10953 if (appData.debugMode)
10954 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10955 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10956 (forwardMostMove / 2) + 1,
10957 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10958 DisplayError(move, 0);
10963 case ImpossibleMove:
10964 if (appData.debugMode)
10965 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10966 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10967 (forwardMostMove / 2) + 1,
10968 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10969 DisplayError(move, 0);
10975 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10976 DrawPosition(FALSE, boards[currentMove]);
10977 DisplayBothClocks();
10978 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10979 DisplayComment(currentMove - 1, commentList[currentMove]);
10981 (void) StopLoadGameTimer();
10983 cmailOldMove = forwardMostMove;
10986 /* currentMoveString is set as a side-effect of yylex */
10988 thinkOutput[0] = NULLCHAR;
10989 MakeMove(fromX, fromY, toX, toY, promoChar);
10990 currentMove = forwardMostMove;
10995 /* Load the nth game from the given file */
10997 LoadGameFromFile (char *filename, int n, char *title, int useList)
11002 if (strcmp(filename, "-") == 0) {
11006 f = fopen(filename, "rb");
11008 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11009 DisplayError(buf, errno);
11013 if (fseek(f, 0, 0) == -1) {
11014 /* f is not seekable; probably a pipe */
11017 if (useList && n == 0) {
11018 int error = GameListBuild(f);
11020 DisplayError(_("Cannot build game list"), error);
11021 } else if (!ListEmpty(&gameList) &&
11022 ((ListGame *) gameList.tailPred)->number > 1) {
11023 GameListPopUp(f, title);
11030 return LoadGame(f, n, title, FALSE);
11035 MakeRegisteredMove ()
11037 int fromX, fromY, toX, toY;
11039 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11040 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11043 if (appData.debugMode)
11044 fprintf(debugFP, "Restoring %s for game %d\n",
11045 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11047 thinkOutput[0] = NULLCHAR;
11048 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11049 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11050 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11051 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11052 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11053 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11054 MakeMove(fromX, fromY, toX, toY, promoChar);
11055 ShowMove(fromX, fromY, toX, toY);
11057 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11064 if (WhiteOnMove(currentMove)) {
11065 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11067 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11072 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11079 if (WhiteOnMove(currentMove)) {
11080 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11082 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11087 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11098 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11100 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11104 if (gameNumber > nCmailGames) {
11105 DisplayError(_("No more games in this message"), 0);
11108 if (f == lastLoadGameFP) {
11109 int offset = gameNumber - lastLoadGameNumber;
11111 cmailMsg[0] = NULLCHAR;
11112 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11113 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11114 nCmailMovesRegistered--;
11116 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11117 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11118 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11121 if (! RegisterMove()) return FALSE;
11125 retVal = LoadGame(f, gameNumber, title, useList);
11127 /* Make move registered during previous look at this game, if any */
11128 MakeRegisteredMove();
11130 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11131 commentList[currentMove]
11132 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11133 DisplayComment(currentMove - 1, commentList[currentMove]);
11139 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11141 ReloadGame (int offset)
11143 int gameNumber = lastLoadGameNumber + offset;
11144 if (lastLoadGameFP == NULL) {
11145 DisplayError(_("No game has been loaded yet"), 0);
11148 if (gameNumber <= 0) {
11149 DisplayError(_("Can't back up any further"), 0);
11152 if (cmailMsgLoaded) {
11153 return CmailLoadGame(lastLoadGameFP, gameNumber,
11154 lastLoadGameTitle, lastLoadGameUseList);
11156 return LoadGame(lastLoadGameFP, gameNumber,
11157 lastLoadGameTitle, lastLoadGameUseList);
11161 int keys[EmptySquare+1];
11164 PositionMatches (Board b1, Board b2)
11167 switch(appData.searchMode) {
11168 case 1: return CompareWithRights(b1, b2);
11170 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11171 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11175 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11176 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11177 sum += keys[b1[r][f]] - keys[b2[r][f]];
11181 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11182 sum += keys[b1[r][f]] - keys[b2[r][f]];
11194 int pieceList[256], quickBoard[256];
11195 ChessSquare pieceType[256] = { EmptySquare };
11196 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11197 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11198 int soughtTotal, turn;
11199 Boolean epOK, flipSearch;
11202 unsigned char piece, to;
11205 #define DSIZE (250000)
11207 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11208 Move *moveDatabase = initialSpace;
11209 unsigned int movePtr, dataSize = DSIZE;
11212 MakePieceList (Board board, int *counts)
11214 int r, f, n=Q_PROMO, total=0;
11215 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11216 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11217 int sq = f + (r<<4);
11218 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11219 quickBoard[sq] = ++n;
11221 pieceType[n] = board[r][f];
11222 counts[board[r][f]]++;
11223 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11224 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11228 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11233 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11235 int sq = fromX + (fromY<<4);
11236 int piece = quickBoard[sq];
11237 quickBoard[sq] = 0;
11238 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11239 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11240 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11241 moveDatabase[movePtr++].piece = Q_WCASTL;
11242 quickBoard[sq] = piece;
11243 piece = quickBoard[from]; quickBoard[from] = 0;
11244 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11246 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11247 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11248 moveDatabase[movePtr++].piece = Q_BCASTL;
11249 quickBoard[sq] = piece;
11250 piece = quickBoard[from]; quickBoard[from] = 0;
11251 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11253 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11254 quickBoard[(fromY<<4)+toX] = 0;
11255 moveDatabase[movePtr].piece = Q_EP;
11256 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11257 moveDatabase[movePtr].to = sq;
11259 if(promoPiece != pieceType[piece]) {
11260 moveDatabase[movePtr++].piece = Q_PROMO;
11261 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11263 moveDatabase[movePtr].piece = piece;
11264 quickBoard[sq] = piece;
11269 PackGame (Board board)
11271 Move *newSpace = NULL;
11272 moveDatabase[movePtr].piece = 0; // terminate previous game
11273 if(movePtr > dataSize) {
11274 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11275 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11276 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11279 Move *p = moveDatabase, *q = newSpace;
11280 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11281 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11282 moveDatabase = newSpace;
11283 } else { // calloc failed, we must be out of memory. Too bad...
11284 dataSize = 0; // prevent calloc events for all subsequent games
11285 return 0; // and signal this one isn't cached
11289 MakePieceList(board, counts);
11294 QuickCompare (Board board, int *minCounts, int *maxCounts)
11295 { // compare according to search mode
11297 switch(appData.searchMode)
11299 case 1: // exact position match
11300 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11301 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11302 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11305 case 2: // can have extra material on empty squares
11306 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11307 if(board[r][f] == EmptySquare) continue;
11308 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11311 case 3: // material with exact Pawn structure
11312 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11313 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11314 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11315 } // fall through to material comparison
11316 case 4: // exact material
11317 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11319 case 6: // material range with given imbalance
11320 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11321 // fall through to range comparison
11322 case 5: // material range
11323 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11329 QuickScan (Board board, Move *move)
11330 { // reconstruct game,and compare all positions in it
11331 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11333 int piece = move->piece;
11334 int to = move->to, from = pieceList[piece];
11335 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11336 if(!piece) return -1;
11337 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11338 piece = (++move)->piece;
11339 from = pieceList[piece];
11340 counts[pieceType[piece]]--;
11341 pieceType[piece] = (ChessSquare) move->to;
11342 counts[move->to]++;
11343 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11344 counts[pieceType[quickBoard[to]]]--;
11345 quickBoard[to] = 0; total--;
11348 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11349 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11350 from = pieceList[piece]; // so this must be King
11351 quickBoard[from] = 0;
11352 quickBoard[to] = piece;
11353 pieceList[piece] = to;
11358 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11359 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11360 quickBoard[from] = 0;
11361 quickBoard[to] = piece;
11362 pieceList[piece] = to;
11364 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11365 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11366 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11367 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11369 static int lastCounts[EmptySquare+1];
11371 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11372 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11373 } else stretch = 0;
11374 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11383 flipSearch = FALSE;
11384 CopyBoard(soughtBoard, boards[currentMove]);
11385 soughtTotal = MakePieceList(soughtBoard, maxSought);
11386 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11387 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11388 CopyBoard(reverseBoard, boards[currentMove]);
11389 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11390 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11391 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11392 reverseBoard[r][f] = piece;
11394 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11395 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11396 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11397 || (boards[currentMove][CASTLING][2] == NoRights ||
11398 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11399 && (boards[currentMove][CASTLING][5] == NoRights ||
11400 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11403 CopyBoard(flipBoard, soughtBoard);
11404 CopyBoard(rotateBoard, reverseBoard);
11405 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11406 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11407 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11410 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11411 if(appData.searchMode >= 5) {
11412 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11413 MakePieceList(soughtBoard, minSought);
11414 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11416 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11417 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11420 GameInfo dummyInfo;
11423 GameContainsPosition (FILE *f, ListGame *lg)
11425 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11426 int fromX, fromY, toX, toY;
11428 static int initDone=FALSE;
11430 // weed out games based on numerical tag comparison
11431 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11432 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11433 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11434 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11436 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11439 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11440 else CopyBoard(boards[scratch], initialPosition); // default start position
11443 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11444 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11447 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11448 fseek(f, lg->offset, 0);
11451 yyboardindex = scratch;
11452 quickFlag = plyNr+1;
11457 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11463 if(plyNr) return -1; // after we have seen moves, this is for new game
11466 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11467 case ImpossibleMove:
11468 case WhiteWins: // game ends here with these four
11471 case GameUnfinished:
11475 if(appData.testLegality) return -1;
11476 case WhiteCapturesEnPassant:
11477 case BlackCapturesEnPassant:
11478 case WhitePromotion:
11479 case BlackPromotion:
11480 case WhiteNonPromotion:
11481 case BlackNonPromotion:
11483 case WhiteKingSideCastle:
11484 case WhiteQueenSideCastle:
11485 case BlackKingSideCastle:
11486 case BlackQueenSideCastle:
11487 case WhiteKingSideCastleWild:
11488 case WhiteQueenSideCastleWild:
11489 case BlackKingSideCastleWild:
11490 case BlackQueenSideCastleWild:
11491 case WhiteHSideCastleFR:
11492 case WhiteASideCastleFR:
11493 case BlackHSideCastleFR:
11494 case BlackASideCastleFR:
11495 fromX = currentMoveString[0] - AAA;
11496 fromY = currentMoveString[1] - ONE;
11497 toX = currentMoveString[2] - AAA;
11498 toY = currentMoveString[3] - ONE;
11499 promoChar = currentMoveString[4];
11503 fromX = next == WhiteDrop ?
11504 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11505 (int) CharToPiece(ToLower(currentMoveString[0]));
11507 toX = currentMoveString[2] - AAA;
11508 toY = currentMoveString[3] - ONE;
11512 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11514 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11515 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11516 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11517 if(appData.findMirror) {
11518 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11519 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11524 /* Load the nth game from open file f */
11526 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11530 int gn = gameNumber;
11531 ListGame *lg = NULL;
11532 int numPGNTags = 0;
11534 GameMode oldGameMode;
11535 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11537 if (appData.debugMode)
11538 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11540 if (gameMode == Training )
11541 SetTrainingModeOff();
11543 oldGameMode = gameMode;
11544 if (gameMode != BeginningOfGame) {
11545 Reset(FALSE, TRUE);
11549 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11550 fclose(lastLoadGameFP);
11554 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11557 fseek(f, lg->offset, 0);
11558 GameListHighlight(gameNumber);
11559 pos = lg->position;
11563 DisplayError(_("Game number out of range"), 0);
11568 if (fseek(f, 0, 0) == -1) {
11569 if (f == lastLoadGameFP ?
11570 gameNumber == lastLoadGameNumber + 1 :
11574 DisplayError(_("Can't seek on game file"), 0);
11579 lastLoadGameFP = f;
11580 lastLoadGameNumber = gameNumber;
11581 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11582 lastLoadGameUseList = useList;
11586 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11587 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11588 lg->gameInfo.black);
11590 } else if (*title != NULLCHAR) {
11591 if (gameNumber > 1) {
11592 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11595 DisplayTitle(title);
11599 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11600 gameMode = PlayFromGameFile;
11604 currentMove = forwardMostMove = backwardMostMove = 0;
11605 CopyBoard(boards[0], initialPosition);
11609 * Skip the first gn-1 games in the file.
11610 * Also skip over anything that precedes an identifiable
11611 * start of game marker, to avoid being confused by
11612 * garbage at the start of the file. Currently
11613 * recognized start of game markers are the move number "1",
11614 * the pattern "gnuchess .* game", the pattern
11615 * "^[#;%] [^ ]* game file", and a PGN tag block.
11616 * A game that starts with one of the latter two patterns
11617 * will also have a move number 1, possibly
11618 * following a position diagram.
11619 * 5-4-02: Let's try being more lenient and allowing a game to
11620 * start with an unnumbered move. Does that break anything?
11622 cm = lastLoadGameStart = EndOfFile;
11624 yyboardindex = forwardMostMove;
11625 cm = (ChessMove) Myylex();
11628 if (cmailMsgLoaded) {
11629 nCmailGames = CMAIL_MAX_GAMES - gn;
11632 DisplayError(_("Game not found in file"), 0);
11639 lastLoadGameStart = cm;
11642 case MoveNumberOne:
11643 switch (lastLoadGameStart) {
11648 case MoveNumberOne:
11650 gn--; /* count this game */
11651 lastLoadGameStart = cm;
11660 switch (lastLoadGameStart) {
11663 case MoveNumberOne:
11665 gn--; /* count this game */
11666 lastLoadGameStart = cm;
11669 lastLoadGameStart = cm; /* game counted already */
11677 yyboardindex = forwardMostMove;
11678 cm = (ChessMove) Myylex();
11679 } while (cm == PGNTag || cm == Comment);
11686 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11687 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11688 != CMAIL_OLD_RESULT) {
11690 cmailResult[ CMAIL_MAX_GAMES
11691 - gn - 1] = CMAIL_OLD_RESULT;
11697 /* Only a NormalMove can be at the start of a game
11698 * without a position diagram. */
11699 if (lastLoadGameStart == EndOfFile ) {
11701 lastLoadGameStart = MoveNumberOne;
11710 if (appData.debugMode)
11711 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11713 if (cm == XBoardGame) {
11714 /* Skip any header junk before position diagram and/or move 1 */
11716 yyboardindex = forwardMostMove;
11717 cm = (ChessMove) Myylex();
11719 if (cm == EndOfFile ||
11720 cm == GNUChessGame || cm == XBoardGame) {
11721 /* Empty game; pretend end-of-file and handle later */
11726 if (cm == MoveNumberOne || cm == PositionDiagram ||
11727 cm == PGNTag || cm == Comment)
11730 } else if (cm == GNUChessGame) {
11731 if (gameInfo.event != NULL) {
11732 free(gameInfo.event);
11734 gameInfo.event = StrSave(yy_text);
11737 startedFromSetupPosition = FALSE;
11738 while (cm == PGNTag) {
11739 if (appData.debugMode)
11740 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11741 err = ParsePGNTag(yy_text, &gameInfo);
11742 if (!err) numPGNTags++;
11744 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11745 if(gameInfo.variant != oldVariant) {
11746 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11747 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11748 InitPosition(TRUE);
11749 oldVariant = gameInfo.variant;
11750 if (appData.debugMode)
11751 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11755 if (gameInfo.fen != NULL) {
11756 Board initial_position;
11757 startedFromSetupPosition = TRUE;
11758 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11760 DisplayError(_("Bad FEN position in file"), 0);
11763 CopyBoard(boards[0], initial_position);
11764 if (blackPlaysFirst) {
11765 currentMove = forwardMostMove = backwardMostMove = 1;
11766 CopyBoard(boards[1], initial_position);
11767 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11768 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11769 timeRemaining[0][1] = whiteTimeRemaining;
11770 timeRemaining[1][1] = blackTimeRemaining;
11771 if (commentList[0] != NULL) {
11772 commentList[1] = commentList[0];
11773 commentList[0] = NULL;
11776 currentMove = forwardMostMove = backwardMostMove = 0;
11778 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11780 initialRulePlies = FENrulePlies;
11781 for( i=0; i< nrCastlingRights; i++ )
11782 initialRights[i] = initial_position[CASTLING][i];
11784 yyboardindex = forwardMostMove;
11785 free(gameInfo.fen);
11786 gameInfo.fen = NULL;
11789 yyboardindex = forwardMostMove;
11790 cm = (ChessMove) Myylex();
11792 /* Handle comments interspersed among the tags */
11793 while (cm == Comment) {
11795 if (appData.debugMode)
11796 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11798 AppendComment(currentMove, p, FALSE);
11799 yyboardindex = forwardMostMove;
11800 cm = (ChessMove) Myylex();
11804 /* don't rely on existence of Event tag since if game was
11805 * pasted from clipboard the Event tag may not exist
11807 if (numPGNTags > 0){
11809 if (gameInfo.variant == VariantNormal) {
11810 VariantClass v = StringToVariant(gameInfo.event);
11811 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11812 if(v < VariantShogi) gameInfo.variant = v;
11815 if( appData.autoDisplayTags ) {
11816 tags = PGNTags(&gameInfo);
11817 TagsPopUp(tags, CmailMsg());
11822 /* Make something up, but don't display it now */
11827 if (cm == PositionDiagram) {
11830 Board initial_position;
11832 if (appData.debugMode)
11833 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11835 if (!startedFromSetupPosition) {
11837 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11838 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11849 initial_position[i][j++] = CharToPiece(*p);
11852 while (*p == ' ' || *p == '\t' ||
11853 *p == '\n' || *p == '\r') p++;
11855 if (strncmp(p, "black", strlen("black"))==0)
11856 blackPlaysFirst = TRUE;
11858 blackPlaysFirst = FALSE;
11859 startedFromSetupPosition = TRUE;
11861 CopyBoard(boards[0], initial_position);
11862 if (blackPlaysFirst) {
11863 currentMove = forwardMostMove = backwardMostMove = 1;
11864 CopyBoard(boards[1], initial_position);
11865 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11866 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11867 timeRemaining[0][1] = whiteTimeRemaining;
11868 timeRemaining[1][1] = blackTimeRemaining;
11869 if (commentList[0] != NULL) {
11870 commentList[1] = commentList[0];
11871 commentList[0] = NULL;
11874 currentMove = forwardMostMove = backwardMostMove = 0;
11877 yyboardindex = forwardMostMove;
11878 cm = (ChessMove) Myylex();
11881 if (first.pr == NoProc) {
11882 StartChessProgram(&first);
11884 InitChessProgram(&first, FALSE);
11885 SendToProgram("force\n", &first);
11886 if (startedFromSetupPosition) {
11887 SendBoard(&first, forwardMostMove);
11888 if (appData.debugMode) {
11889 fprintf(debugFP, "Load Game\n");
11891 DisplayBothClocks();
11894 /* [HGM] server: flag to write setup moves in broadcast file as one */
11895 loadFlag = appData.suppressLoadMoves;
11897 while (cm == Comment) {
11899 if (appData.debugMode)
11900 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11902 AppendComment(currentMove, p, FALSE);
11903 yyboardindex = forwardMostMove;
11904 cm = (ChessMove) Myylex();
11907 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11908 cm == WhiteWins || cm == BlackWins ||
11909 cm == GameIsDrawn || cm == GameUnfinished) {
11910 DisplayMessage("", _("No moves in game"));
11911 if (cmailMsgLoaded) {
11912 if (appData.debugMode)
11913 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11917 DrawPosition(FALSE, boards[currentMove]);
11918 DisplayBothClocks();
11919 gameMode = EditGame;
11926 // [HGM] PV info: routine tests if comment empty
11927 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11928 DisplayComment(currentMove - 1, commentList[currentMove]);
11930 if (!matchMode && appData.timeDelay != 0)
11931 DrawPosition(FALSE, boards[currentMove]);
11933 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11934 programStats.ok_to_send = 1;
11937 /* if the first token after the PGN tags is a move
11938 * and not move number 1, retrieve it from the parser
11940 if (cm != MoveNumberOne)
11941 LoadGameOneMove(cm);
11943 /* load the remaining moves from the file */
11944 while (LoadGameOneMove(EndOfFile)) {
11945 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11946 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11949 /* rewind to the start of the game */
11950 currentMove = backwardMostMove;
11952 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11954 if (oldGameMode == AnalyzeFile ||
11955 oldGameMode == AnalyzeMode) {
11956 AnalyzeFileEvent();
11959 if (!matchMode && pos >= 0) {
11960 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11962 if (matchMode || appData.timeDelay == 0) {
11964 } else if (appData.timeDelay > 0) {
11965 AutoPlayGameLoop();
11968 if (appData.debugMode)
11969 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11971 loadFlag = 0; /* [HGM] true game starts */
11975 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11977 ReloadPosition (int offset)
11979 int positionNumber = lastLoadPositionNumber + offset;
11980 if (lastLoadPositionFP == NULL) {
11981 DisplayError(_("No position has been loaded yet"), 0);
11984 if (positionNumber <= 0) {
11985 DisplayError(_("Can't back up any further"), 0);
11988 return LoadPosition(lastLoadPositionFP, positionNumber,
11989 lastLoadPositionTitle);
11992 /* Load the nth position from the given file */
11994 LoadPositionFromFile (char *filename, int n, char *title)
11999 if (strcmp(filename, "-") == 0) {
12000 return LoadPosition(stdin, n, "stdin");
12002 f = fopen(filename, "rb");
12004 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12005 DisplayError(buf, errno);
12008 return LoadPosition(f, n, title);
12013 /* Load the nth position from the given open file, and close it */
12015 LoadPosition (FILE *f, int positionNumber, char *title)
12017 char *p, line[MSG_SIZ];
12018 Board initial_position;
12019 int i, j, fenMode, pn;
12021 if (gameMode == Training )
12022 SetTrainingModeOff();
12024 if (gameMode != BeginningOfGame) {
12025 Reset(FALSE, TRUE);
12027 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12028 fclose(lastLoadPositionFP);
12030 if (positionNumber == 0) positionNumber = 1;
12031 lastLoadPositionFP = f;
12032 lastLoadPositionNumber = positionNumber;
12033 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12034 if (first.pr == NoProc && !appData.noChessProgram) {
12035 StartChessProgram(&first);
12036 InitChessProgram(&first, FALSE);
12038 pn = positionNumber;
12039 if (positionNumber < 0) {
12040 /* Negative position number means to seek to that byte offset */
12041 if (fseek(f, -positionNumber, 0) == -1) {
12042 DisplayError(_("Can't seek on position file"), 0);
12047 if (fseek(f, 0, 0) == -1) {
12048 if (f == lastLoadPositionFP ?
12049 positionNumber == lastLoadPositionNumber + 1 :
12050 positionNumber == 1) {
12053 DisplayError(_("Can't seek on position file"), 0);
12058 /* See if this file is FEN or old-style xboard */
12059 if (fgets(line, MSG_SIZ, f) == NULL) {
12060 DisplayError(_("Position not found in file"), 0);
12063 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12064 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12067 if (fenMode || line[0] == '#') pn--;
12069 /* skip positions before number pn */
12070 if (fgets(line, MSG_SIZ, f) == NULL) {
12072 DisplayError(_("Position not found in file"), 0);
12075 if (fenMode || line[0] == '#') pn--;
12080 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12081 DisplayError(_("Bad FEN position in file"), 0);
12085 (void) fgets(line, MSG_SIZ, f);
12086 (void) fgets(line, MSG_SIZ, f);
12088 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12089 (void) fgets(line, MSG_SIZ, f);
12090 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12093 initial_position[i][j++] = CharToPiece(*p);
12097 blackPlaysFirst = FALSE;
12099 (void) fgets(line, MSG_SIZ, f);
12100 if (strncmp(line, "black", strlen("black"))==0)
12101 blackPlaysFirst = TRUE;
12104 startedFromSetupPosition = TRUE;
12106 CopyBoard(boards[0], initial_position);
12107 if (blackPlaysFirst) {
12108 currentMove = forwardMostMove = backwardMostMove = 1;
12109 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12110 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12111 CopyBoard(boards[1], initial_position);
12112 DisplayMessage("", _("Black to play"));
12114 currentMove = forwardMostMove = backwardMostMove = 0;
12115 DisplayMessage("", _("White to play"));
12117 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12118 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12119 SendToProgram("force\n", &first);
12120 SendBoard(&first, forwardMostMove);
12122 if (appData.debugMode) {
12124 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12125 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12126 fprintf(debugFP, "Load Position\n");
12129 if (positionNumber > 1) {
12130 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12131 DisplayTitle(line);
12133 DisplayTitle(title);
12135 gameMode = EditGame;
12138 timeRemaining[0][1] = whiteTimeRemaining;
12139 timeRemaining[1][1] = blackTimeRemaining;
12140 DrawPosition(FALSE, boards[currentMove]);
12147 CopyPlayerNameIntoFileName (char **dest, char *src)
12149 while (*src != NULLCHAR && *src != ',') {
12154 *(*dest)++ = *src++;
12160 DefaultFileName (char *ext)
12162 static char def[MSG_SIZ];
12165 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12167 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12169 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12171 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12178 /* Save the current game to the given file */
12180 SaveGameToFile (char *filename, int append)
12184 int result, i, t,tot=0;
12186 if (strcmp(filename, "-") == 0) {
12187 return SaveGame(stdout, 0, NULL);
12189 for(i=0; i<10; i++) { // upto 10 tries
12190 f = fopen(filename, append ? "a" : "w");
12191 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12192 if(f || errno != 13) break;
12193 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12197 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12198 DisplayError(buf, errno);
12201 safeStrCpy(buf, lastMsg, MSG_SIZ);
12202 DisplayMessage(_("Waiting for access to save file"), "");
12203 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12204 DisplayMessage(_("Saving game"), "");
12205 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12206 result = SaveGame(f, 0, NULL);
12207 DisplayMessage(buf, "");
12214 SavePart (char *str)
12216 static char buf[MSG_SIZ];
12219 p = strchr(str, ' ');
12220 if (p == NULL) return str;
12221 strncpy(buf, str, p - str);
12222 buf[p - str] = NULLCHAR;
12226 #define PGN_MAX_LINE 75
12228 #define PGN_SIDE_WHITE 0
12229 #define PGN_SIDE_BLACK 1
12232 FindFirstMoveOutOfBook (int side)
12236 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12237 int index = backwardMostMove;
12238 int has_book_hit = 0;
12240 if( (index % 2) != side ) {
12244 while( index < forwardMostMove ) {
12245 /* Check to see if engine is in book */
12246 int depth = pvInfoList[index].depth;
12247 int score = pvInfoList[index].score;
12253 else if( score == 0 && depth == 63 ) {
12254 in_book = 1; /* Zappa */
12256 else if( score == 2 && depth == 99 ) {
12257 in_book = 1; /* Abrok */
12260 has_book_hit += in_book;
12276 GetOutOfBookInfo (char * buf)
12280 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12282 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12283 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12287 if( oob[0] >= 0 || oob[1] >= 0 ) {
12288 for( i=0; i<2; i++ ) {
12292 if( i > 0 && oob[0] >= 0 ) {
12293 strcat( buf, " " );
12296 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12297 sprintf( buf+strlen(buf), "%s%.2f",
12298 pvInfoList[idx].score >= 0 ? "+" : "",
12299 pvInfoList[idx].score / 100.0 );
12305 /* Save game in PGN style and close the file */
12307 SaveGamePGN (FILE *f)
12309 int i, offset, linelen, newblock;
12313 int movelen, numlen, blank;
12314 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12316 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12318 tm = time((time_t *) NULL);
12320 PrintPGNTags(f, &gameInfo);
12322 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12324 if (backwardMostMove > 0 || startedFromSetupPosition) {
12325 char *fen = PositionToFEN(backwardMostMove, NULL);
12326 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12327 fprintf(f, "\n{--------------\n");
12328 PrintPosition(f, backwardMostMove);
12329 fprintf(f, "--------------}\n");
12333 /* [AS] Out of book annotation */
12334 if( appData.saveOutOfBookInfo ) {
12337 GetOutOfBookInfo( buf );
12339 if( buf[0] != '\0' ) {
12340 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12347 i = backwardMostMove;
12351 while (i < forwardMostMove) {
12352 /* Print comments preceding this move */
12353 if (commentList[i] != NULL) {
12354 if (linelen > 0) fprintf(f, "\n");
12355 fprintf(f, "%s", commentList[i]);
12360 /* Format move number */
12362 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12365 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12367 numtext[0] = NULLCHAR;
12369 numlen = strlen(numtext);
12372 /* Print move number */
12373 blank = linelen > 0 && numlen > 0;
12374 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12383 fprintf(f, "%s", numtext);
12387 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12388 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12391 blank = linelen > 0 && movelen > 0;
12392 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12401 fprintf(f, "%s", move_buffer);
12402 linelen += movelen;
12404 /* [AS] Add PV info if present */
12405 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12406 /* [HGM] add time */
12407 char buf[MSG_SIZ]; int seconds;
12409 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12415 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12418 seconds = (seconds + 4)/10; // round to full seconds
12420 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12422 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12425 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12426 pvInfoList[i].score >= 0 ? "+" : "",
12427 pvInfoList[i].score / 100.0,
12428 pvInfoList[i].depth,
12431 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12433 /* Print score/depth */
12434 blank = linelen > 0 && movelen > 0;
12435 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12444 fprintf(f, "%s", move_buffer);
12445 linelen += movelen;
12451 /* Start a new line */
12452 if (linelen > 0) fprintf(f, "\n");
12454 /* Print comments after last move */
12455 if (commentList[i] != NULL) {
12456 fprintf(f, "%s\n", commentList[i]);
12460 if (gameInfo.resultDetails != NULL &&
12461 gameInfo.resultDetails[0] != NULLCHAR) {
12462 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12463 PGNResult(gameInfo.result));
12465 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12469 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12473 /* Save game in old style and close the file */
12475 SaveGameOldStyle (FILE *f)
12480 tm = time((time_t *) NULL);
12482 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12485 if (backwardMostMove > 0 || startedFromSetupPosition) {
12486 fprintf(f, "\n[--------------\n");
12487 PrintPosition(f, backwardMostMove);
12488 fprintf(f, "--------------]\n");
12493 i = backwardMostMove;
12494 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12496 while (i < forwardMostMove) {
12497 if (commentList[i] != NULL) {
12498 fprintf(f, "[%s]\n", commentList[i]);
12501 if ((i % 2) == 1) {
12502 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12505 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12507 if (commentList[i] != NULL) {
12511 if (i >= forwardMostMove) {
12515 fprintf(f, "%s\n", parseList[i]);
12520 if (commentList[i] != NULL) {
12521 fprintf(f, "[%s]\n", commentList[i]);
12524 /* This isn't really the old style, but it's close enough */
12525 if (gameInfo.resultDetails != NULL &&
12526 gameInfo.resultDetails[0] != NULLCHAR) {
12527 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12528 gameInfo.resultDetails);
12530 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12537 /* Save the current game to open file f and close the file */
12539 SaveGame (FILE *f, int dummy, char *dummy2)
12541 if (gameMode == EditPosition) EditPositionDone(TRUE);
12542 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12543 if (appData.oldSaveStyle)
12544 return SaveGameOldStyle(f);
12546 return SaveGamePGN(f);
12549 /* Save the current position to the given file */
12551 SavePositionToFile (char *filename)
12556 if (strcmp(filename, "-") == 0) {
12557 return SavePosition(stdout, 0, NULL);
12559 f = fopen(filename, "a");
12561 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12562 DisplayError(buf, errno);
12565 safeStrCpy(buf, lastMsg, MSG_SIZ);
12566 DisplayMessage(_("Waiting for access to save file"), "");
12567 flock(fileno(f), LOCK_EX); // [HGM] lock
12568 DisplayMessage(_("Saving position"), "");
12569 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12570 SavePosition(f, 0, NULL);
12571 DisplayMessage(buf, "");
12577 /* Save the current position to the given open file and close the file */
12579 SavePosition (FILE *f, int dummy, char *dummy2)
12584 if (gameMode == EditPosition) EditPositionDone(TRUE);
12585 if (appData.oldSaveStyle) {
12586 tm = time((time_t *) NULL);
12588 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12590 fprintf(f, "[--------------\n");
12591 PrintPosition(f, currentMove);
12592 fprintf(f, "--------------]\n");
12594 fen = PositionToFEN(currentMove, NULL);
12595 fprintf(f, "%s\n", fen);
12603 ReloadCmailMsgEvent (int unregister)
12606 static char *inFilename = NULL;
12607 static char *outFilename;
12609 struct stat inbuf, outbuf;
12612 /* Any registered moves are unregistered if unregister is set, */
12613 /* i.e. invoked by the signal handler */
12615 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12616 cmailMoveRegistered[i] = FALSE;
12617 if (cmailCommentList[i] != NULL) {
12618 free(cmailCommentList[i]);
12619 cmailCommentList[i] = NULL;
12622 nCmailMovesRegistered = 0;
12625 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12626 cmailResult[i] = CMAIL_NOT_RESULT;
12630 if (inFilename == NULL) {
12631 /* Because the filenames are static they only get malloced once */
12632 /* and they never get freed */
12633 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12634 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12636 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12637 sprintf(outFilename, "%s.out", appData.cmailGameName);
12640 status = stat(outFilename, &outbuf);
12642 cmailMailedMove = FALSE;
12644 status = stat(inFilename, &inbuf);
12645 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12648 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12649 counts the games, notes how each one terminated, etc.
12651 It would be nice to remove this kludge and instead gather all
12652 the information while building the game list. (And to keep it
12653 in the game list nodes instead of having a bunch of fixed-size
12654 parallel arrays.) Note this will require getting each game's
12655 termination from the PGN tags, as the game list builder does
12656 not process the game moves. --mann
12658 cmailMsgLoaded = TRUE;
12659 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12661 /* Load first game in the file or popup game menu */
12662 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12664 #endif /* !WIN32 */
12672 char string[MSG_SIZ];
12674 if ( cmailMailedMove
12675 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12676 return TRUE; /* Allow free viewing */
12679 /* Unregister move to ensure that we don't leave RegisterMove */
12680 /* with the move registered when the conditions for registering no */
12682 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12683 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12684 nCmailMovesRegistered --;
12686 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12688 free(cmailCommentList[lastLoadGameNumber - 1]);
12689 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12693 if (cmailOldMove == -1) {
12694 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12698 if (currentMove > cmailOldMove + 1) {
12699 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12703 if (currentMove < cmailOldMove) {
12704 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12708 if (forwardMostMove > currentMove) {
12709 /* Silently truncate extra moves */
12713 if ( (currentMove == cmailOldMove + 1)
12714 || ( (currentMove == cmailOldMove)
12715 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12716 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12717 if (gameInfo.result != GameUnfinished) {
12718 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12721 if (commentList[currentMove] != NULL) {
12722 cmailCommentList[lastLoadGameNumber - 1]
12723 = StrSave(commentList[currentMove]);
12725 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12727 if (appData.debugMode)
12728 fprintf(debugFP, "Saving %s for game %d\n",
12729 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12731 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12733 f = fopen(string, "w");
12734 if (appData.oldSaveStyle) {
12735 SaveGameOldStyle(f); /* also closes the file */
12737 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12738 f = fopen(string, "w");
12739 SavePosition(f, 0, NULL); /* also closes the file */
12741 fprintf(f, "{--------------\n");
12742 PrintPosition(f, currentMove);
12743 fprintf(f, "--------------}\n\n");
12745 SaveGame(f, 0, NULL); /* also closes the file*/
12748 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12749 nCmailMovesRegistered ++;
12750 } else if (nCmailGames == 1) {
12751 DisplayError(_("You have not made a move yet"), 0);
12762 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12763 FILE *commandOutput;
12764 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12765 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12771 if (! cmailMsgLoaded) {
12772 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12776 if (nCmailGames == nCmailResults) {
12777 DisplayError(_("No unfinished games"), 0);
12781 #if CMAIL_PROHIBIT_REMAIL
12782 if (cmailMailedMove) {
12783 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);
12784 DisplayError(msg, 0);
12789 if (! (cmailMailedMove || RegisterMove())) return;
12791 if ( cmailMailedMove
12792 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12793 snprintf(string, MSG_SIZ, partCommandString,
12794 appData.debugMode ? " -v" : "", appData.cmailGameName);
12795 commandOutput = popen(string, "r");
12797 if (commandOutput == NULL) {
12798 DisplayError(_("Failed to invoke cmail"), 0);
12800 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12801 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12803 if (nBuffers > 1) {
12804 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12805 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12806 nBytes = MSG_SIZ - 1;
12808 (void) memcpy(msg, buffer, nBytes);
12810 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12812 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12813 cmailMailedMove = TRUE; /* Prevent >1 moves */
12816 for (i = 0; i < nCmailGames; i ++) {
12817 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12822 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12824 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12826 appData.cmailGameName,
12828 LoadGameFromFile(buffer, 1, buffer, FALSE);
12829 cmailMsgLoaded = FALSE;
12833 DisplayInformation(msg);
12834 pclose(commandOutput);
12837 if ((*cmailMsg) != '\0') {
12838 DisplayInformation(cmailMsg);
12843 #endif /* !WIN32 */
12852 int prependComma = 0;
12854 char string[MSG_SIZ]; /* Space for game-list */
12857 if (!cmailMsgLoaded) return "";
12859 if (cmailMailedMove) {
12860 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12862 /* Create a list of games left */
12863 snprintf(string, MSG_SIZ, "[");
12864 for (i = 0; i < nCmailGames; i ++) {
12865 if (! ( cmailMoveRegistered[i]
12866 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12867 if (prependComma) {
12868 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12870 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12874 strcat(string, number);
12877 strcat(string, "]");
12879 if (nCmailMovesRegistered + nCmailResults == 0) {
12880 switch (nCmailGames) {
12882 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12886 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12890 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12895 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12897 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12902 if (nCmailResults == nCmailGames) {
12903 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12905 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12910 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12922 if (gameMode == Training)
12923 SetTrainingModeOff();
12926 cmailMsgLoaded = FALSE;
12927 if (appData.icsActive) {
12928 SendToICS(ics_prefix);
12929 SendToICS("refresh\n");
12934 ExitEvent (int status)
12938 /* Give up on clean exit */
12942 /* Keep trying for clean exit */
12946 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12948 if (telnetISR != NULL) {
12949 RemoveInputSource(telnetISR);
12951 if (icsPR != NoProc) {
12952 DestroyChildProcess(icsPR, TRUE);
12955 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12956 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12958 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12959 /* make sure this other one finishes before killing it! */
12960 if(endingGame) { int count = 0;
12961 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12962 while(endingGame && count++ < 10) DoSleep(1);
12963 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12966 /* Kill off chess programs */
12967 if (first.pr != NoProc) {
12970 DoSleep( appData.delayBeforeQuit );
12971 SendToProgram("quit\n", &first);
12972 DoSleep( appData.delayAfterQuit );
12973 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12975 if (second.pr != NoProc) {
12976 DoSleep( appData.delayBeforeQuit );
12977 SendToProgram("quit\n", &second);
12978 DoSleep( appData.delayAfterQuit );
12979 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12981 if (first.isr != NULL) {
12982 RemoveInputSource(first.isr);
12984 if (second.isr != NULL) {
12985 RemoveInputSource(second.isr);
12988 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12989 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12991 ShutDownFrontEnd();
12998 if (appData.debugMode)
12999 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13003 if (gameMode == MachinePlaysWhite ||
13004 gameMode == MachinePlaysBlack) {
13007 DisplayBothClocks();
13009 if (gameMode == PlayFromGameFile) {
13010 if (appData.timeDelay >= 0)
13011 AutoPlayGameLoop();
13012 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13013 Reset(FALSE, TRUE);
13014 SendToICS(ics_prefix);
13015 SendToICS("refresh\n");
13016 } else if (currentMove < forwardMostMove) {
13017 ForwardInner(forwardMostMove);
13019 pauseExamInvalid = FALSE;
13021 switch (gameMode) {
13025 pauseExamForwardMostMove = forwardMostMove;
13026 pauseExamInvalid = FALSE;
13029 case IcsPlayingWhite:
13030 case IcsPlayingBlack:
13034 case PlayFromGameFile:
13035 (void) StopLoadGameTimer();
13039 case BeginningOfGame:
13040 if (appData.icsActive) return;
13041 /* else fall through */
13042 case MachinePlaysWhite:
13043 case MachinePlaysBlack:
13044 case TwoMachinesPlay:
13045 if (forwardMostMove == 0)
13046 return; /* don't pause if no one has moved */
13047 if ((gameMode == MachinePlaysWhite &&
13048 !WhiteOnMove(forwardMostMove)) ||
13049 (gameMode == MachinePlaysBlack &&
13050 WhiteOnMove(forwardMostMove))) {
13061 EditCommentEvent ()
13063 char title[MSG_SIZ];
13065 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13066 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13068 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13069 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13070 parseList[currentMove - 1]);
13073 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13080 char *tags = PGNTags(&gameInfo);
13082 EditTagsPopUp(tags, NULL);
13087 AnalyzeModeEvent ()
13089 if (appData.noChessProgram || gameMode == AnalyzeMode)
13092 if (gameMode != AnalyzeFile) {
13093 if (!appData.icsEngineAnalyze) {
13095 if (gameMode != EditGame) return;
13097 ResurrectChessProgram();
13098 SendToProgram("analyze\n", &first);
13099 first.analyzing = TRUE;
13100 /*first.maybeThinking = TRUE;*/
13101 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13102 EngineOutputPopUp();
13104 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13109 StartAnalysisClock();
13110 GetTimeMark(&lastNodeCountTime);
13115 AnalyzeFileEvent ()
13117 if (appData.noChessProgram || gameMode == AnalyzeFile)
13120 if (gameMode != AnalyzeMode) {
13122 if (gameMode != EditGame) return;
13123 ResurrectChessProgram();
13124 SendToProgram("analyze\n", &first);
13125 first.analyzing = TRUE;
13126 /*first.maybeThinking = TRUE;*/
13127 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13128 EngineOutputPopUp();
13130 gameMode = AnalyzeFile;
13135 StartAnalysisClock();
13136 GetTimeMark(&lastNodeCountTime);
13138 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13142 MachineWhiteEvent ()
13145 char *bookHit = NULL;
13147 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13151 if (gameMode == PlayFromGameFile ||
13152 gameMode == TwoMachinesPlay ||
13153 gameMode == Training ||
13154 gameMode == AnalyzeMode ||
13155 gameMode == EndOfGame)
13158 if (gameMode == EditPosition)
13159 EditPositionDone(TRUE);
13161 if (!WhiteOnMove(currentMove)) {
13162 DisplayError(_("It is not White's turn"), 0);
13166 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13169 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13170 gameMode == AnalyzeFile)
13173 ResurrectChessProgram(); /* in case it isn't running */
13174 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13175 gameMode = MachinePlaysWhite;
13178 gameMode = MachinePlaysWhite;
13182 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13184 if (first.sendName) {
13185 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13186 SendToProgram(buf, &first);
13188 if (first.sendTime) {
13189 if (first.useColors) {
13190 SendToProgram("black\n", &first); /*gnu kludge*/
13192 SendTimeRemaining(&first, TRUE);
13194 if (first.useColors) {
13195 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13197 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13198 SetMachineThinkingEnables();
13199 first.maybeThinking = TRUE;
13203 if (appData.autoFlipView && !flipView) {
13204 flipView = !flipView;
13205 DrawPosition(FALSE, NULL);
13206 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13209 if(bookHit) { // [HGM] book: simulate book reply
13210 static char bookMove[MSG_SIZ]; // a bit generous?
13212 programStats.nodes = programStats.depth = programStats.time =
13213 programStats.score = programStats.got_only_move = 0;
13214 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13216 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13217 strcat(bookMove, bookHit);
13218 HandleMachineMove(bookMove, &first);
13223 MachineBlackEvent ()
13226 char *bookHit = NULL;
13228 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13232 if (gameMode == PlayFromGameFile ||
13233 gameMode == TwoMachinesPlay ||
13234 gameMode == Training ||
13235 gameMode == AnalyzeMode ||
13236 gameMode == EndOfGame)
13239 if (gameMode == EditPosition)
13240 EditPositionDone(TRUE);
13242 if (WhiteOnMove(currentMove)) {
13243 DisplayError(_("It is not Black's turn"), 0);
13247 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13250 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13251 gameMode == AnalyzeFile)
13254 ResurrectChessProgram(); /* in case it isn't running */
13255 gameMode = MachinePlaysBlack;
13259 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13261 if (first.sendName) {
13262 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13263 SendToProgram(buf, &first);
13265 if (first.sendTime) {
13266 if (first.useColors) {
13267 SendToProgram("white\n", &first); /*gnu kludge*/
13269 SendTimeRemaining(&first, FALSE);
13271 if (first.useColors) {
13272 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13274 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13275 SetMachineThinkingEnables();
13276 first.maybeThinking = TRUE;
13279 if (appData.autoFlipView && flipView) {
13280 flipView = !flipView;
13281 DrawPosition(FALSE, NULL);
13282 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13284 if(bookHit) { // [HGM] book: simulate book reply
13285 static char bookMove[MSG_SIZ]; // a bit generous?
13287 programStats.nodes = programStats.depth = programStats.time =
13288 programStats.score = programStats.got_only_move = 0;
13289 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13291 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13292 strcat(bookMove, bookHit);
13293 HandleMachineMove(bookMove, &first);
13299 DisplayTwoMachinesTitle ()
13302 if (appData.matchGames > 0) {
13303 if(appData.tourneyFile[0]) {
13304 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13305 gameInfo.white, _("vs."), gameInfo.black,
13306 nextGame+1, appData.matchGames+1,
13307 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13309 if (first.twoMachinesColor[0] == 'w') {
13310 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13311 gameInfo.white, _("vs."), gameInfo.black,
13312 first.matchWins, second.matchWins,
13313 matchGame - 1 - (first.matchWins + second.matchWins));
13315 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13316 gameInfo.white, _("vs."), gameInfo.black,
13317 second.matchWins, first.matchWins,
13318 matchGame - 1 - (first.matchWins + second.matchWins));
13321 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13327 SettingsMenuIfReady ()
13329 if (second.lastPing != second.lastPong) {
13330 DisplayMessage("", _("Waiting for second chess program"));
13331 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13335 DisplayMessage("", "");
13336 SettingsPopUp(&second);
13340 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13343 if (cps->pr == NoProc) {
13344 StartChessProgram(cps);
13345 if (cps->protocolVersion == 1) {
13348 /* kludge: allow timeout for initial "feature" command */
13350 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13351 DisplayMessage("", buf);
13352 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13360 TwoMachinesEvent P((void))
13364 ChessProgramState *onmove;
13365 char *bookHit = NULL;
13366 static int stalling = 0;
13370 if (appData.noChessProgram) return;
13372 switch (gameMode) {
13373 case TwoMachinesPlay:
13375 case MachinePlaysWhite:
13376 case MachinePlaysBlack:
13377 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13378 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13382 case BeginningOfGame:
13383 case PlayFromGameFile:
13386 if (gameMode != EditGame) return;
13389 EditPositionDone(TRUE);
13400 // forwardMostMove = currentMove;
13401 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13403 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13405 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13406 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13407 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13411 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13412 SendToProgram("force\n", &second);
13414 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13417 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13418 if(appData.matchPause>10000 || appData.matchPause<10)
13419 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13420 wait = SubtractTimeMarks(&now, &pauseStart);
13421 if(wait < appData.matchPause) {
13422 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13425 // we are now committed to starting the game
13427 DisplayMessage("", "");
13428 if (startedFromSetupPosition) {
13429 SendBoard(&second, backwardMostMove);
13430 if (appData.debugMode) {
13431 fprintf(debugFP, "Two Machines\n");
13434 for (i = backwardMostMove; i < forwardMostMove; i++) {
13435 SendMoveToProgram(i, &second);
13438 gameMode = TwoMachinesPlay;
13440 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13442 DisplayTwoMachinesTitle();
13444 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13449 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13450 SendToProgram(first.computerString, &first);
13451 if (first.sendName) {
13452 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13453 SendToProgram(buf, &first);
13455 SendToProgram(second.computerString, &second);
13456 if (second.sendName) {
13457 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13458 SendToProgram(buf, &second);
13462 if (!first.sendTime || !second.sendTime) {
13463 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13464 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13466 if (onmove->sendTime) {
13467 if (onmove->useColors) {
13468 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13470 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13472 if (onmove->useColors) {
13473 SendToProgram(onmove->twoMachinesColor, onmove);
13475 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13476 // SendToProgram("go\n", onmove);
13477 onmove->maybeThinking = TRUE;
13478 SetMachineThinkingEnables();
13482 if(bookHit) { // [HGM] book: simulate book reply
13483 static char bookMove[MSG_SIZ]; // a bit generous?
13485 programStats.nodes = programStats.depth = programStats.time =
13486 programStats.score = programStats.got_only_move = 0;
13487 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13489 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13490 strcat(bookMove, bookHit);
13491 savedMessage = bookMove; // args for deferred call
13492 savedState = onmove;
13493 ScheduleDelayedEvent(DeferredBookMove, 1);
13500 if (gameMode == Training) {
13501 SetTrainingModeOff();
13502 gameMode = PlayFromGameFile;
13503 DisplayMessage("", _("Training mode off"));
13505 gameMode = Training;
13506 animateTraining = appData.animate;
13508 /* make sure we are not already at the end of the game */
13509 if (currentMove < forwardMostMove) {
13510 SetTrainingModeOn();
13511 DisplayMessage("", _("Training mode on"));
13513 gameMode = PlayFromGameFile;
13514 DisplayError(_("Already at end of game"), 0);
13523 if (!appData.icsActive) return;
13524 switch (gameMode) {
13525 case IcsPlayingWhite:
13526 case IcsPlayingBlack:
13529 case BeginningOfGame:
13537 EditPositionDone(TRUE);
13550 gameMode = IcsIdle;
13560 switch (gameMode) {
13562 SetTrainingModeOff();
13564 case MachinePlaysWhite:
13565 case MachinePlaysBlack:
13566 case BeginningOfGame:
13567 SendToProgram("force\n", &first);
13568 SetUserThinkingEnables();
13570 case PlayFromGameFile:
13571 (void) StopLoadGameTimer();
13572 if (gameFileFP != NULL) {
13577 EditPositionDone(TRUE);
13582 SendToProgram("force\n", &first);
13584 case TwoMachinesPlay:
13585 GameEnds(EndOfFile, NULL, GE_PLAYER);
13586 ResurrectChessProgram();
13587 SetUserThinkingEnables();
13590 ResurrectChessProgram();
13592 case IcsPlayingBlack:
13593 case IcsPlayingWhite:
13594 DisplayError(_("Warning: You are still playing a game"), 0);
13597 DisplayError(_("Warning: You are still observing a game"), 0);
13600 DisplayError(_("Warning: You are still examining a game"), 0);
13611 first.offeredDraw = second.offeredDraw = 0;
13613 if (gameMode == PlayFromGameFile) {
13614 whiteTimeRemaining = timeRemaining[0][currentMove];
13615 blackTimeRemaining = timeRemaining[1][currentMove];
13619 if (gameMode == MachinePlaysWhite ||
13620 gameMode == MachinePlaysBlack ||
13621 gameMode == TwoMachinesPlay ||
13622 gameMode == EndOfGame) {
13623 i = forwardMostMove;
13624 while (i > currentMove) {
13625 SendToProgram("undo\n", &first);
13628 if(!adjustedClock) {
13629 whiteTimeRemaining = timeRemaining[0][currentMove];
13630 blackTimeRemaining = timeRemaining[1][currentMove];
13631 DisplayBothClocks();
13633 if (whiteFlag || blackFlag) {
13634 whiteFlag = blackFlag = 0;
13639 gameMode = EditGame;
13646 EditPositionEvent ()
13648 if (gameMode == EditPosition) {
13654 if (gameMode != EditGame) return;
13656 gameMode = EditPosition;
13659 if (currentMove > 0)
13660 CopyBoard(boards[0], boards[currentMove]);
13662 blackPlaysFirst = !WhiteOnMove(currentMove);
13664 currentMove = forwardMostMove = backwardMostMove = 0;
13665 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13672 /* [DM] icsEngineAnalyze - possible call from other functions */
13673 if (appData.icsEngineAnalyze) {
13674 appData.icsEngineAnalyze = FALSE;
13676 DisplayMessage("",_("Close ICS engine analyze..."));
13678 if (first.analysisSupport && first.analyzing) {
13679 SendToProgram("exit\n", &first);
13680 first.analyzing = FALSE;
13682 thinkOutput[0] = NULLCHAR;
13686 EditPositionDone (Boolean fakeRights)
13688 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13690 startedFromSetupPosition = TRUE;
13691 InitChessProgram(&first, FALSE);
13692 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13693 boards[0][EP_STATUS] = EP_NONE;
13694 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13695 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13696 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13697 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13698 } else boards[0][CASTLING][2] = NoRights;
13699 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13700 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13701 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13702 } else boards[0][CASTLING][5] = NoRights;
13704 SendToProgram("force\n", &first);
13705 if (blackPlaysFirst) {
13706 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13707 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13708 currentMove = forwardMostMove = backwardMostMove = 1;
13709 CopyBoard(boards[1], boards[0]);
13711 currentMove = forwardMostMove = backwardMostMove = 0;
13713 SendBoard(&first, forwardMostMove);
13714 if (appData.debugMode) {
13715 fprintf(debugFP, "EditPosDone\n");
13718 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13719 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13720 gameMode = EditGame;
13722 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13723 ClearHighlights(); /* [AS] */
13726 /* Pause for `ms' milliseconds */
13727 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13729 TimeDelay (long ms)
13736 } while (SubtractTimeMarks(&m2, &m1) < ms);
13739 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13741 SendMultiLineToICS (char *buf)
13743 char temp[MSG_SIZ+1], *p;
13750 strncpy(temp, buf, len);
13755 if (*p == '\n' || *p == '\r')
13760 strcat(temp, "\n");
13762 SendToPlayer(temp, strlen(temp));
13766 SetWhiteToPlayEvent ()
13768 if (gameMode == EditPosition) {
13769 blackPlaysFirst = FALSE;
13770 DisplayBothClocks(); /* works because currentMove is 0 */
13771 } else if (gameMode == IcsExamining) {
13772 SendToICS(ics_prefix);
13773 SendToICS("tomove white\n");
13778 SetBlackToPlayEvent ()
13780 if (gameMode == EditPosition) {
13781 blackPlaysFirst = TRUE;
13782 currentMove = 1; /* kludge */
13783 DisplayBothClocks();
13785 } else if (gameMode == IcsExamining) {
13786 SendToICS(ics_prefix);
13787 SendToICS("tomove black\n");
13792 EditPositionMenuEvent (ChessSquare selection, int x, int y)
13795 ChessSquare piece = boards[0][y][x];
13797 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13799 switch (selection) {
13801 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13802 SendToICS(ics_prefix);
13803 SendToICS("bsetup clear\n");
13804 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13805 SendToICS(ics_prefix);
13806 SendToICS("clearboard\n");
13808 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13809 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13810 for (y = 0; y < BOARD_HEIGHT; y++) {
13811 if (gameMode == IcsExamining) {
13812 if (boards[currentMove][y][x] != EmptySquare) {
13813 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13818 boards[0][y][x] = p;
13823 if (gameMode == EditPosition) {
13824 DrawPosition(FALSE, boards[0]);
13829 SetWhiteToPlayEvent();
13833 SetBlackToPlayEvent();
13837 if (gameMode == IcsExamining) {
13838 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13839 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13842 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13843 if(x == BOARD_LEFT-2) {
13844 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13845 boards[0][y][1] = 0;
13847 if(x == BOARD_RGHT+1) {
13848 if(y >= gameInfo.holdingsSize) break;
13849 boards[0][y][BOARD_WIDTH-2] = 0;
13852 boards[0][y][x] = EmptySquare;
13853 DrawPosition(FALSE, boards[0]);
13858 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13859 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13860 selection = (ChessSquare) (PROMOTED piece);
13861 } else if(piece == EmptySquare) selection = WhiteSilver;
13862 else selection = (ChessSquare)((int)piece - 1);
13866 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13867 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13868 selection = (ChessSquare) (DEMOTED piece);
13869 } else if(piece == EmptySquare) selection = BlackSilver;
13870 else selection = (ChessSquare)((int)piece + 1);
13875 if(gameInfo.variant == VariantShatranj ||
13876 gameInfo.variant == VariantXiangqi ||
13877 gameInfo.variant == VariantCourier ||
13878 gameInfo.variant == VariantMakruk )
13879 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13884 if(gameInfo.variant == VariantXiangqi)
13885 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13886 if(gameInfo.variant == VariantKnightmate)
13887 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13890 if (gameMode == IcsExamining) {
13891 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13892 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13893 PieceToChar(selection), AAA + x, ONE + y);
13896 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13898 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13899 n = PieceToNumber(selection - BlackPawn);
13900 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13901 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13902 boards[0][BOARD_HEIGHT-1-n][1]++;
13904 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13905 n = PieceToNumber(selection);
13906 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13907 boards[0][n][BOARD_WIDTH-1] = selection;
13908 boards[0][n][BOARD_WIDTH-2]++;
13911 boards[0][y][x] = selection;
13912 DrawPosition(TRUE, boards[0]);
13914 fromX = fromY = -1;
13922 DropMenuEvent (ChessSquare selection, int x, int y)
13924 ChessMove moveType;
13926 switch (gameMode) {
13927 case IcsPlayingWhite:
13928 case MachinePlaysBlack:
13929 if (!WhiteOnMove(currentMove)) {
13930 DisplayMoveError(_("It is Black's turn"));
13933 moveType = WhiteDrop;
13935 case IcsPlayingBlack:
13936 case MachinePlaysWhite:
13937 if (WhiteOnMove(currentMove)) {
13938 DisplayMoveError(_("It is White's turn"));
13941 moveType = BlackDrop;
13944 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13950 if (moveType == BlackDrop && selection < BlackPawn) {
13951 selection = (ChessSquare) ((int) selection
13952 + (int) BlackPawn - (int) WhitePawn);
13954 if (boards[currentMove][y][x] != EmptySquare) {
13955 DisplayMoveError(_("That square is occupied"));
13959 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13965 /* Accept a pending offer of any kind from opponent */
13967 if (appData.icsActive) {
13968 SendToICS(ics_prefix);
13969 SendToICS("accept\n");
13970 } else if (cmailMsgLoaded) {
13971 if (currentMove == cmailOldMove &&
13972 commentList[cmailOldMove] != NULL &&
13973 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13974 "Black offers a draw" : "White offers a draw")) {
13976 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13977 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13979 DisplayError(_("There is no pending offer on this move"), 0);
13980 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13983 /* Not used for offers from chess program */
13990 /* Decline a pending offer of any kind from opponent */
13992 if (appData.icsActive) {
13993 SendToICS(ics_prefix);
13994 SendToICS("decline\n");
13995 } else if (cmailMsgLoaded) {
13996 if (currentMove == cmailOldMove &&
13997 commentList[cmailOldMove] != NULL &&
13998 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13999 "Black offers a draw" : "White offers a draw")) {
14001 AppendComment(cmailOldMove, "Draw declined", TRUE);
14002 DisplayComment(cmailOldMove - 1, "Draw declined");
14005 DisplayError(_("There is no pending offer on this move"), 0);
14008 /* Not used for offers from chess program */
14015 /* Issue ICS rematch command */
14016 if (appData.icsActive) {
14017 SendToICS(ics_prefix);
14018 SendToICS("rematch\n");
14025 /* Call your opponent's flag (claim a win on time) */
14026 if (appData.icsActive) {
14027 SendToICS(ics_prefix);
14028 SendToICS("flag\n");
14030 switch (gameMode) {
14033 case MachinePlaysWhite:
14036 GameEnds(GameIsDrawn, "Both players ran out of time",
14039 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14041 DisplayError(_("Your opponent is not out of time"), 0);
14044 case MachinePlaysBlack:
14047 GameEnds(GameIsDrawn, "Both players ran out of time",
14050 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14052 DisplayError(_("Your opponent is not out of time"), 0);
14060 ClockClick (int which)
14061 { // [HGM] code moved to back-end from winboard.c
14062 if(which) { // black clock
14063 if (gameMode == EditPosition || gameMode == IcsExamining) {
14064 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14065 SetBlackToPlayEvent();
14066 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14067 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14068 } else if (shiftKey) {
14069 AdjustClock(which, -1);
14070 } else if (gameMode == IcsPlayingWhite ||
14071 gameMode == MachinePlaysBlack) {
14074 } else { // white clock
14075 if (gameMode == EditPosition || gameMode == IcsExamining) {
14076 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14077 SetWhiteToPlayEvent();
14078 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14079 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14080 } else if (shiftKey) {
14081 AdjustClock(which, -1);
14082 } else if (gameMode == IcsPlayingBlack ||
14083 gameMode == MachinePlaysWhite) {
14092 /* Offer draw or accept pending draw offer from opponent */
14094 if (appData.icsActive) {
14095 /* Note: tournament rules require draw offers to be
14096 made after you make your move but before you punch
14097 your clock. Currently ICS doesn't let you do that;
14098 instead, you immediately punch your clock after making
14099 a move, but you can offer a draw at any time. */
14101 SendToICS(ics_prefix);
14102 SendToICS("draw\n");
14103 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14104 } else if (cmailMsgLoaded) {
14105 if (currentMove == cmailOldMove &&
14106 commentList[cmailOldMove] != NULL &&
14107 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14108 "Black offers a draw" : "White offers a draw")) {
14109 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14110 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14111 } else if (currentMove == cmailOldMove + 1) {
14112 char *offer = WhiteOnMove(cmailOldMove) ?
14113 "White offers a draw" : "Black offers a draw";
14114 AppendComment(currentMove, offer, TRUE);
14115 DisplayComment(currentMove - 1, offer);
14116 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14118 DisplayError(_("You must make your move before offering a draw"), 0);
14119 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14121 } else if (first.offeredDraw) {
14122 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14124 if (first.sendDrawOffers) {
14125 SendToProgram("draw\n", &first);
14126 userOfferedDraw = TRUE;
14134 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14136 if (appData.icsActive) {
14137 SendToICS(ics_prefix);
14138 SendToICS("adjourn\n");
14140 /* Currently GNU Chess doesn't offer or accept Adjourns */
14148 /* Offer Abort or accept pending Abort offer from opponent */
14150 if (appData.icsActive) {
14151 SendToICS(ics_prefix);
14152 SendToICS("abort\n");
14154 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14161 /* Resign. You can do this even if it's not your turn. */
14163 if (appData.icsActive) {
14164 SendToICS(ics_prefix);
14165 SendToICS("resign\n");
14167 switch (gameMode) {
14168 case MachinePlaysWhite:
14169 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14171 case MachinePlaysBlack:
14172 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14175 if (cmailMsgLoaded) {
14177 if (WhiteOnMove(cmailOldMove)) {
14178 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14180 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14182 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14193 StopObservingEvent ()
14195 /* Stop observing current games */
14196 SendToICS(ics_prefix);
14197 SendToICS("unobserve\n");
14201 StopExaminingEvent ()
14203 /* Stop observing current game */
14204 SendToICS(ics_prefix);
14205 SendToICS("unexamine\n");
14209 ForwardInner (int target)
14211 int limit; int oldSeekGraphUp = seekGraphUp;
14213 if (appData.debugMode)
14214 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14215 target, currentMove, forwardMostMove);
14217 if (gameMode == EditPosition)
14220 seekGraphUp = FALSE;
14221 MarkTargetSquares(1);
14223 if (gameMode == PlayFromGameFile && !pausing)
14226 if (gameMode == IcsExamining && pausing)
14227 limit = pauseExamForwardMostMove;
14229 limit = forwardMostMove;
14231 if (target > limit) target = limit;
14233 if (target > 0 && moveList[target - 1][0]) {
14234 int fromX, fromY, toX, toY;
14235 toX = moveList[target - 1][2] - AAA;
14236 toY = moveList[target - 1][3] - ONE;
14237 if (moveList[target - 1][1] == '@') {
14238 if (appData.highlightLastMove) {
14239 SetHighlights(-1, -1, toX, toY);
14242 fromX = moveList[target - 1][0] - AAA;
14243 fromY = moveList[target - 1][1] - ONE;
14244 if (target == currentMove + 1) {
14245 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14247 if (appData.highlightLastMove) {
14248 SetHighlights(fromX, fromY, toX, toY);
14252 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14253 gameMode == Training || gameMode == PlayFromGameFile ||
14254 gameMode == AnalyzeFile) {
14255 while (currentMove < target) {
14256 SendMoveToProgram(currentMove++, &first);
14259 currentMove = target;
14262 if (gameMode == EditGame || gameMode == EndOfGame) {
14263 whiteTimeRemaining = timeRemaining[0][currentMove];
14264 blackTimeRemaining = timeRemaining[1][currentMove];
14266 DisplayBothClocks();
14267 DisplayMove(currentMove - 1);
14268 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14269 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14270 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14271 DisplayComment(currentMove - 1, commentList[currentMove]);
14279 if (gameMode == IcsExamining && !pausing) {
14280 SendToICS(ics_prefix);
14281 SendToICS("forward\n");
14283 ForwardInner(currentMove + 1);
14290 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14291 /* to optimze, we temporarily turn off analysis mode while we feed
14292 * the remaining moves to the engine. Otherwise we get analysis output
14295 if (first.analysisSupport) {
14296 SendToProgram("exit\nforce\n", &first);
14297 first.analyzing = FALSE;
14301 if (gameMode == IcsExamining && !pausing) {
14302 SendToICS(ics_prefix);
14303 SendToICS("forward 999999\n");
14305 ForwardInner(forwardMostMove);
14308 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14309 /* we have fed all the moves, so reactivate analysis mode */
14310 SendToProgram("analyze\n", &first);
14311 first.analyzing = TRUE;
14312 /*first.maybeThinking = TRUE;*/
14313 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14318 BackwardInner (int target)
14320 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14322 if (appData.debugMode)
14323 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14324 target, currentMove, forwardMostMove);
14326 if (gameMode == EditPosition) return;
14327 seekGraphUp = FALSE;
14328 MarkTargetSquares(1);
14329 if (currentMove <= backwardMostMove) {
14331 DrawPosition(full_redraw, boards[currentMove]);
14334 if (gameMode == PlayFromGameFile && !pausing)
14337 if (moveList[target][0]) {
14338 int fromX, fromY, toX, toY;
14339 toX = moveList[target][2] - AAA;
14340 toY = moveList[target][3] - ONE;
14341 if (moveList[target][1] == '@') {
14342 if (appData.highlightLastMove) {
14343 SetHighlights(-1, -1, toX, toY);
14346 fromX = moveList[target][0] - AAA;
14347 fromY = moveList[target][1] - ONE;
14348 if (target == currentMove - 1) {
14349 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14351 if (appData.highlightLastMove) {
14352 SetHighlights(fromX, fromY, toX, toY);
14356 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14357 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14358 while (currentMove > target) {
14359 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14360 // null move cannot be undone. Reload program with move history before it.
14362 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14363 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14365 SendBoard(&first, i);
14366 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14369 SendToProgram("undo\n", &first);
14373 currentMove = target;
14376 if (gameMode == EditGame || gameMode == EndOfGame) {
14377 whiteTimeRemaining = timeRemaining[0][currentMove];
14378 blackTimeRemaining = timeRemaining[1][currentMove];
14380 DisplayBothClocks();
14381 DisplayMove(currentMove - 1);
14382 DrawPosition(full_redraw, boards[currentMove]);
14383 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14384 // [HGM] PV info: routine tests if comment empty
14385 DisplayComment(currentMove - 1, commentList[currentMove]);
14391 if (gameMode == IcsExamining && !pausing) {
14392 SendToICS(ics_prefix);
14393 SendToICS("backward\n");
14395 BackwardInner(currentMove - 1);
14402 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14403 /* to optimize, we temporarily turn off analysis mode while we undo
14404 * all the moves. Otherwise we get analysis output after each undo.
14406 if (first.analysisSupport) {
14407 SendToProgram("exit\nforce\n", &first);
14408 first.analyzing = FALSE;
14412 if (gameMode == IcsExamining && !pausing) {
14413 SendToICS(ics_prefix);
14414 SendToICS("backward 999999\n");
14416 BackwardInner(backwardMostMove);
14419 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14420 /* we have fed all the moves, so reactivate analysis mode */
14421 SendToProgram("analyze\n", &first);
14422 first.analyzing = TRUE;
14423 /*first.maybeThinking = TRUE;*/
14424 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14431 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14432 if (to >= forwardMostMove) to = forwardMostMove;
14433 if (to <= backwardMostMove) to = backwardMostMove;
14434 if (to < currentMove) {
14442 RevertEvent (Boolean annotate)
14444 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14447 if (gameMode != IcsExamining) {
14448 DisplayError(_("You are not examining a game"), 0);
14452 DisplayError(_("You can't revert while pausing"), 0);
14455 SendToICS(ics_prefix);
14456 SendToICS("revert\n");
14460 RetractMoveEvent ()
14462 switch (gameMode) {
14463 case MachinePlaysWhite:
14464 case MachinePlaysBlack:
14465 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14466 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14469 if (forwardMostMove < 2) return;
14470 currentMove = forwardMostMove = forwardMostMove - 2;
14471 whiteTimeRemaining = timeRemaining[0][currentMove];
14472 blackTimeRemaining = timeRemaining[1][currentMove];
14473 DisplayBothClocks();
14474 DisplayMove(currentMove - 1);
14475 ClearHighlights();/*!! could figure this out*/
14476 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14477 SendToProgram("remove\n", &first);
14478 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14481 case BeginningOfGame:
14485 case IcsPlayingWhite:
14486 case IcsPlayingBlack:
14487 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14488 SendToICS(ics_prefix);
14489 SendToICS("takeback 2\n");
14491 SendToICS(ics_prefix);
14492 SendToICS("takeback 1\n");
14501 ChessProgramState *cps;
14503 switch (gameMode) {
14504 case MachinePlaysWhite:
14505 if (!WhiteOnMove(forwardMostMove)) {
14506 DisplayError(_("It is your turn"), 0);
14511 case MachinePlaysBlack:
14512 if (WhiteOnMove(forwardMostMove)) {
14513 DisplayError(_("It is your turn"), 0);
14518 case TwoMachinesPlay:
14519 if (WhiteOnMove(forwardMostMove) ==
14520 (first.twoMachinesColor[0] == 'w')) {
14526 case BeginningOfGame:
14530 SendToProgram("?\n", cps);
14534 TruncateGameEvent ()
14537 if (gameMode != EditGame) return;
14544 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14545 if (forwardMostMove > currentMove) {
14546 if (gameInfo.resultDetails != NULL) {
14547 free(gameInfo.resultDetails);
14548 gameInfo.resultDetails = NULL;
14549 gameInfo.result = GameUnfinished;
14551 forwardMostMove = currentMove;
14552 HistorySet(parseList, backwardMostMove, forwardMostMove,
14560 if (appData.noChessProgram) return;
14561 switch (gameMode) {
14562 case MachinePlaysWhite:
14563 if (WhiteOnMove(forwardMostMove)) {
14564 DisplayError(_("Wait until your turn"), 0);
14568 case BeginningOfGame:
14569 case MachinePlaysBlack:
14570 if (!WhiteOnMove(forwardMostMove)) {
14571 DisplayError(_("Wait until your turn"), 0);
14576 DisplayError(_("No hint available"), 0);
14579 SendToProgram("hint\n", &first);
14580 hintRequested = TRUE;
14586 if (appData.noChessProgram) return;
14587 switch (gameMode) {
14588 case MachinePlaysWhite:
14589 if (WhiteOnMove(forwardMostMove)) {
14590 DisplayError(_("Wait until your turn"), 0);
14594 case BeginningOfGame:
14595 case MachinePlaysBlack:
14596 if (!WhiteOnMove(forwardMostMove)) {
14597 DisplayError(_("Wait until your turn"), 0);
14602 EditPositionDone(TRUE);
14604 case TwoMachinesPlay:
14609 SendToProgram("bk\n", &first);
14610 bookOutput[0] = NULLCHAR;
14611 bookRequested = TRUE;
14617 char *tags = PGNTags(&gameInfo);
14618 TagsPopUp(tags, CmailMsg());
14622 /* end button procedures */
14625 PrintPosition (FILE *fp, int move)
14629 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14630 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14631 char c = PieceToChar(boards[move][i][j]);
14632 fputc(c == 'x' ? '.' : c, fp);
14633 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14636 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14637 fprintf(fp, "white to play\n");
14639 fprintf(fp, "black to play\n");
14643 PrintOpponents (FILE *fp)
14645 if (gameInfo.white != NULL) {
14646 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14652 /* Find last component of program's own name, using some heuristics */
14654 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14657 int local = (strcmp(host, "localhost") == 0);
14658 while (!local && (p = strchr(prog, ';')) != NULL) {
14660 while (*p == ' ') p++;
14663 if (*prog == '"' || *prog == '\'') {
14664 q = strchr(prog + 1, *prog);
14666 q = strchr(prog, ' ');
14668 if (q == NULL) q = prog + strlen(prog);
14670 while (p >= prog && *p != '/' && *p != '\\') p--;
14672 if(p == prog && *p == '"') p++;
14674 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14675 memcpy(buf, p, q - p);
14676 buf[q - p] = NULLCHAR;
14684 TimeControlTagValue ()
14687 if (!appData.clockMode) {
14688 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14689 } else if (movesPerSession > 0) {
14690 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14691 } else if (timeIncrement == 0) {
14692 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14694 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14696 return StrSave(buf);
14702 /* This routine is used only for certain modes */
14703 VariantClass v = gameInfo.variant;
14704 ChessMove r = GameUnfinished;
14707 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14708 r = gameInfo.result;
14709 p = gameInfo.resultDetails;
14710 gameInfo.resultDetails = NULL;
14712 ClearGameInfo(&gameInfo);
14713 gameInfo.variant = v;
14715 switch (gameMode) {
14716 case MachinePlaysWhite:
14717 gameInfo.event = StrSave( appData.pgnEventHeader );
14718 gameInfo.site = StrSave(HostName());
14719 gameInfo.date = PGNDate();
14720 gameInfo.round = StrSave("-");
14721 gameInfo.white = StrSave(first.tidy);
14722 gameInfo.black = StrSave(UserName());
14723 gameInfo.timeControl = TimeControlTagValue();
14726 case MachinePlaysBlack:
14727 gameInfo.event = StrSave( appData.pgnEventHeader );
14728 gameInfo.site = StrSave(HostName());
14729 gameInfo.date = PGNDate();
14730 gameInfo.round = StrSave("-");
14731 gameInfo.white = StrSave(UserName());
14732 gameInfo.black = StrSave(first.tidy);
14733 gameInfo.timeControl = TimeControlTagValue();
14736 case TwoMachinesPlay:
14737 gameInfo.event = StrSave( appData.pgnEventHeader );
14738 gameInfo.site = StrSave(HostName());
14739 gameInfo.date = PGNDate();
14742 snprintf(buf, MSG_SIZ, "%d", roundNr);
14743 gameInfo.round = StrSave(buf);
14745 gameInfo.round = StrSave("-");
14747 if (first.twoMachinesColor[0] == 'w') {
14748 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14749 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14751 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14752 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14754 gameInfo.timeControl = TimeControlTagValue();
14758 gameInfo.event = StrSave("Edited game");
14759 gameInfo.site = StrSave(HostName());
14760 gameInfo.date = PGNDate();
14761 gameInfo.round = StrSave("-");
14762 gameInfo.white = StrSave("-");
14763 gameInfo.black = StrSave("-");
14764 gameInfo.result = r;
14765 gameInfo.resultDetails = p;
14769 gameInfo.event = StrSave("Edited position");
14770 gameInfo.site = StrSave(HostName());
14771 gameInfo.date = PGNDate();
14772 gameInfo.round = StrSave("-");
14773 gameInfo.white = StrSave("-");
14774 gameInfo.black = StrSave("-");
14777 case IcsPlayingWhite:
14778 case IcsPlayingBlack:
14783 case PlayFromGameFile:
14784 gameInfo.event = StrSave("Game from non-PGN file");
14785 gameInfo.site = StrSave(HostName());
14786 gameInfo.date = PGNDate();
14787 gameInfo.round = StrSave("-");
14788 gameInfo.white = StrSave("?");
14789 gameInfo.black = StrSave("?");
14798 ReplaceComment (int index, char *text)
14804 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14805 pvInfoList[index-1].depth == len &&
14806 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14807 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14808 while (*text == '\n') text++;
14809 len = strlen(text);
14810 while (len > 0 && text[len - 1] == '\n') len--;
14812 if (commentList[index] != NULL)
14813 free(commentList[index]);
14816 commentList[index] = NULL;
14819 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14820 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14821 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14822 commentList[index] = (char *) malloc(len + 2);
14823 strncpy(commentList[index], text, len);
14824 commentList[index][len] = '\n';
14825 commentList[index][len + 1] = NULLCHAR;
14827 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14829 commentList[index] = (char *) malloc(len + 7);
14830 safeStrCpy(commentList[index], "{\n", 3);
14831 safeStrCpy(commentList[index]+2, text, len+1);
14832 commentList[index][len+2] = NULLCHAR;
14833 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14834 strcat(commentList[index], "\n}\n");
14839 CrushCRs (char *text)
14847 if (ch == '\r') continue;
14849 } while (ch != '\0');
14853 AppendComment (int index, char *text, Boolean addBraces)
14854 /* addBraces tells if we should add {} */
14859 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14860 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14863 while (*text == '\n') text++;
14864 len = strlen(text);
14865 while (len > 0 && text[len - 1] == '\n') len--;
14866 text[len] = NULLCHAR;
14868 if (len == 0) return;
14870 if (commentList[index] != NULL) {
14871 Boolean addClosingBrace = addBraces;
14872 old = commentList[index];
14873 oldlen = strlen(old);
14874 while(commentList[index][oldlen-1] == '\n')
14875 commentList[index][--oldlen] = NULLCHAR;
14876 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14877 safeStrCpy(commentList[index], old, oldlen + len + 6);
14879 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14880 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14881 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14882 while (*text == '\n') { text++; len--; }
14883 commentList[index][--oldlen] = NULLCHAR;
14885 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14886 else strcat(commentList[index], "\n");
14887 strcat(commentList[index], text);
14888 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14889 else strcat(commentList[index], "\n");
14891 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14893 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14894 else commentList[index][0] = NULLCHAR;
14895 strcat(commentList[index], text);
14896 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14897 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14902 FindStr (char * text, char * sub_text)
14904 char * result = strstr( text, sub_text );
14906 if( result != NULL ) {
14907 result += strlen( sub_text );
14913 /* [AS] Try to extract PV info from PGN comment */
14914 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14916 GetInfoFromComment (int index, char * text)
14918 char * sep = text, *p;
14920 if( text != NULL && index > 0 ) {
14923 int time = -1, sec = 0, deci;
14924 char * s_eval = FindStr( text, "[%eval " );
14925 char * s_emt = FindStr( text, "[%emt " );
14927 if( s_eval != NULL || s_emt != NULL ) {
14931 if( s_eval != NULL ) {
14932 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14936 if( delim != ']' ) {
14941 if( s_emt != NULL ) {
14946 /* We expect something like: [+|-]nnn.nn/dd */
14949 if(*text != '{') return text; // [HGM] braces: must be normal comment
14951 sep = strchr( text, '/' );
14952 if( sep == NULL || sep < (text+4) ) {
14957 if(p[1] == '(') { // comment starts with PV
14958 p = strchr(p, ')'); // locate end of PV
14959 if(p == NULL || sep < p+5) return text;
14960 // at this point we have something like "{(.*) +0.23/6 ..."
14961 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14962 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14963 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14965 time = -1; sec = -1; deci = -1;
14966 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14967 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14968 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14969 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14973 if( score_lo < 0 || score_lo >= 100 ) {
14977 if(sec >= 0) time = 600*time + 10*sec; else
14978 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14980 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14982 /* [HGM] PV time: now locate end of PV info */
14983 while( *++sep >= '0' && *sep <= '9'); // strip depth
14985 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14987 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14989 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14990 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15001 pvInfoList[index-1].depth = depth;
15002 pvInfoList[index-1].score = score;
15003 pvInfoList[index-1].time = 10*time; // centi-sec
15004 if(*sep == '}') *sep = 0; else *--sep = '{';
15005 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15011 SendToProgram (char *message, ChessProgramState *cps)
15013 int count, outCount, error;
15016 if (cps->pr == NoProc) return;
15019 if (appData.debugMode) {
15022 fprintf(debugFP, "%ld >%-6s: %s",
15023 SubtractTimeMarks(&now, &programStartTime),
15024 cps->which, message);
15027 count = strlen(message);
15028 outCount = OutputToProcess(cps->pr, message, count, &error);
15029 if (outCount < count && !exiting
15030 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15031 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15032 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15033 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15034 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15035 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15036 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15037 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15039 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15040 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15041 gameInfo.result = res;
15043 gameInfo.resultDetails = StrSave(buf);
15045 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15046 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15051 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15055 ChessProgramState *cps = (ChessProgramState *)closure;
15057 if (isr != cps->isr) return; /* Killed intentionally */
15060 RemoveInputSource(cps->isr);
15061 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15062 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15063 _(cps->which), cps->program);
15064 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15065 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15066 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15067 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15068 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15070 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15071 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15072 gameInfo.result = res;
15074 gameInfo.resultDetails = StrSave(buf);
15076 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15077 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15079 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15080 _(cps->which), cps->program);
15081 RemoveInputSource(cps->isr);
15083 /* [AS] Program is misbehaving badly... kill it */
15084 if( count == -2 ) {
15085 DestroyChildProcess( cps->pr, 9 );
15089 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15094 if ((end_str = strchr(message, '\r')) != NULL)
15095 *end_str = NULLCHAR;
15096 if ((end_str = strchr(message, '\n')) != NULL)
15097 *end_str = NULLCHAR;
15099 if (appData.debugMode) {
15100 TimeMark now; int print = 1;
15101 char *quote = ""; char c; int i;
15103 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15104 char start = message[0];
15105 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15106 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15107 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15108 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15109 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15110 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15111 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15112 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15113 sscanf(message, "hint: %c", &c)!=1 &&
15114 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15115 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15116 print = (appData.engineComments >= 2);
15118 message[0] = start; // restore original message
15122 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15123 SubtractTimeMarks(&now, &programStartTime), cps->which,
15129 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15130 if (appData.icsEngineAnalyze) {
15131 if (strstr(message, "whisper") != NULL ||
15132 strstr(message, "kibitz") != NULL ||
15133 strstr(message, "tellics") != NULL) return;
15136 HandleMachineMove(message, cps);
15141 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15146 if( timeControl_2 > 0 ) {
15147 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15148 tc = timeControl_2;
15151 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15152 inc /= cps->timeOdds;
15153 st /= cps->timeOdds;
15155 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15158 /* Set exact time per move, normally using st command */
15159 if (cps->stKludge) {
15160 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15162 if (seconds == 0) {
15163 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15165 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15168 snprintf(buf, MSG_SIZ, "st %d\n", st);
15171 /* Set conventional or incremental time control, using level command */
15172 if (seconds == 0) {
15173 /* Note old gnuchess bug -- minutes:seconds used to not work.
15174 Fixed in later versions, but still avoid :seconds
15175 when seconds is 0. */
15176 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15178 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15179 seconds, inc/1000.);
15182 SendToProgram(buf, cps);
15184 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15185 /* Orthogonally, limit search to given depth */
15187 if (cps->sdKludge) {
15188 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15190 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15192 SendToProgram(buf, cps);
15195 if(cps->nps >= 0) { /* [HGM] nps */
15196 if(cps->supportsNPS == FALSE)
15197 cps->nps = -1; // don't use if engine explicitly says not supported!
15199 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15200 SendToProgram(buf, cps);
15205 ChessProgramState *
15207 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15209 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15210 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15216 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15218 char message[MSG_SIZ];
15221 /* Note: this routine must be called when the clocks are stopped
15222 or when they have *just* been set or switched; otherwise
15223 it will be off by the time since the current tick started.
15225 if (machineWhite) {
15226 time = whiteTimeRemaining / 10;
15227 otime = blackTimeRemaining / 10;
15229 time = blackTimeRemaining / 10;
15230 otime = whiteTimeRemaining / 10;
15232 /* [HGM] translate opponent's time by time-odds factor */
15233 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15235 if (time <= 0) time = 1;
15236 if (otime <= 0) otime = 1;
15238 snprintf(message, MSG_SIZ, "time %ld\n", time);
15239 SendToProgram(message, cps);
15241 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15242 SendToProgram(message, cps);
15246 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15249 int len = strlen(name);
15252 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15254 sscanf(*p, "%d", &val);
15256 while (**p && **p != ' ')
15258 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15259 SendToProgram(buf, cps);
15266 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15269 int len = strlen(name);
15270 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15272 sscanf(*p, "%d", loc);
15273 while (**p && **p != ' ') (*p)++;
15274 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15275 SendToProgram(buf, cps);
15282 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15285 int len = strlen(name);
15286 if (strncmp((*p), name, len) == 0
15287 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15289 sscanf(*p, "%[^\"]", loc);
15290 while (**p && **p != '\"') (*p)++;
15291 if (**p == '\"') (*p)++;
15292 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15293 SendToProgram(buf, cps);
15300 ParseOption (Option *opt, ChessProgramState *cps)
15301 // [HGM] options: process the string that defines an engine option, and determine
15302 // name, type, default value, and allowed value range
15304 char *p, *q, buf[MSG_SIZ];
15305 int n, min = (-1)<<31, max = 1<<31, def;
15307 if(p = strstr(opt->name, " -spin ")) {
15308 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15309 if(max < min) max = min; // enforce consistency
15310 if(def < min) def = min;
15311 if(def > max) def = max;
15316 } else if((p = strstr(opt->name, " -slider "))) {
15317 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15318 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15319 if(max < min) max = min; // enforce consistency
15320 if(def < min) def = min;
15321 if(def > max) def = max;
15325 opt->type = Spin; // Slider;
15326 } else if((p = strstr(opt->name, " -string "))) {
15327 opt->textValue = p+9;
15328 opt->type = TextBox;
15329 } else if((p = strstr(opt->name, " -file "))) {
15330 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15331 opt->textValue = p+7;
15332 opt->type = FileName; // FileName;
15333 } else if((p = strstr(opt->name, " -path "))) {
15334 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15335 opt->textValue = p+7;
15336 opt->type = PathName; // PathName;
15337 } else if(p = strstr(opt->name, " -check ")) {
15338 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15339 opt->value = (def != 0);
15340 opt->type = CheckBox;
15341 } else if(p = strstr(opt->name, " -combo ")) {
15342 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15343 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15344 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15345 opt->value = n = 0;
15346 while(q = StrStr(q, " /// ")) {
15347 n++; *q = 0; // count choices, and null-terminate each of them
15349 if(*q == '*') { // remember default, which is marked with * prefix
15353 cps->comboList[cps->comboCnt++] = q;
15355 cps->comboList[cps->comboCnt++] = NULL;
15357 opt->type = ComboBox;
15358 } else if(p = strstr(opt->name, " -button")) {
15359 opt->type = Button;
15360 } else if(p = strstr(opt->name, " -save")) {
15361 opt->type = SaveButton;
15362 } else return FALSE;
15363 *p = 0; // terminate option name
15364 // now look if the command-line options define a setting for this engine option.
15365 if(cps->optionSettings && cps->optionSettings[0])
15366 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15367 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15368 snprintf(buf, MSG_SIZ, "option %s", p);
15369 if(p = strstr(buf, ",")) *p = 0;
15370 if(q = strchr(buf, '=')) switch(opt->type) {
15372 for(n=0; n<opt->max; n++)
15373 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15376 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15380 opt->value = atoi(q+1);
15385 SendToProgram(buf, cps);
15391 FeatureDone (ChessProgramState *cps, int val)
15393 DelayedEventCallback cb = GetDelayedEvent();
15394 if ((cb == InitBackEnd3 && cps == &first) ||
15395 (cb == SettingsMenuIfReady && cps == &second) ||
15396 (cb == LoadEngine) ||
15397 (cb == TwoMachinesEventIfReady)) {
15398 CancelDelayedEvent();
15399 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15401 cps->initDone = val;
15404 /* Parse feature command from engine */
15406 ParseFeatures (char *args, ChessProgramState *cps)
15414 while (*p == ' ') p++;
15415 if (*p == NULLCHAR) return;
15417 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15418 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15419 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15420 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15421 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15422 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15423 if (BoolFeature(&p, "reuse", &val, cps)) {
15424 /* Engine can disable reuse, but can't enable it if user said no */
15425 if (!val) cps->reuse = FALSE;
15428 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15429 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15430 if (gameMode == TwoMachinesPlay) {
15431 DisplayTwoMachinesTitle();
15437 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15438 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15439 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15440 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15441 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15442 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15443 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15444 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15445 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15446 if (IntFeature(&p, "done", &val, cps)) {
15447 FeatureDone(cps, val);
15450 /* Added by Tord: */
15451 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15452 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15453 /* End of additions by Tord */
15455 /* [HGM] added features: */
15456 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15457 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15458 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15459 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15460 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15461 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15462 if (StringFeature(&p, "option", cps->option[cps->nrOptions].name, cps)) {
15463 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15464 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15465 SendToProgram(buf, cps);
15468 if(cps->nrOptions >= MAX_OPTIONS) {
15470 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15471 DisplayError(buf, 0);
15475 /* End of additions by HGM */
15477 /* unknown feature: complain and skip */
15479 while (*q && *q != '=') q++;
15480 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15481 SendToProgram(buf, cps);
15487 while (*p && *p != '\"') p++;
15488 if (*p == '\"') p++;
15490 while (*p && *p != ' ') p++;
15498 PeriodicUpdatesEvent (int newState)
15500 if (newState == appData.periodicUpdates)
15503 appData.periodicUpdates=newState;
15505 /* Display type changes, so update it now */
15506 // DisplayAnalysis();
15508 /* Get the ball rolling again... */
15510 AnalysisPeriodicEvent(1);
15511 StartAnalysisClock();
15516 PonderNextMoveEvent (int newState)
15518 if (newState == appData.ponderNextMove) return;
15519 if (gameMode == EditPosition) EditPositionDone(TRUE);
15521 SendToProgram("hard\n", &first);
15522 if (gameMode == TwoMachinesPlay) {
15523 SendToProgram("hard\n", &second);
15526 SendToProgram("easy\n", &first);
15527 thinkOutput[0] = NULLCHAR;
15528 if (gameMode == TwoMachinesPlay) {
15529 SendToProgram("easy\n", &second);
15532 appData.ponderNextMove = newState;
15536 NewSettingEvent (int option, int *feature, char *command, int value)
15540 if (gameMode == EditPosition) EditPositionDone(TRUE);
15541 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15542 if(feature == NULL || *feature) SendToProgram(buf, &first);
15543 if (gameMode == TwoMachinesPlay) {
15544 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15549 ShowThinkingEvent ()
15550 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15552 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15553 int newState = appData.showThinking
15554 // [HGM] thinking: other features now need thinking output as well
15555 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15557 if (oldState == newState) return;
15558 oldState = newState;
15559 if (gameMode == EditPosition) EditPositionDone(TRUE);
15561 SendToProgram("post\n", &first);
15562 if (gameMode == TwoMachinesPlay) {
15563 SendToProgram("post\n", &second);
15566 SendToProgram("nopost\n", &first);
15567 thinkOutput[0] = NULLCHAR;
15568 if (gameMode == TwoMachinesPlay) {
15569 SendToProgram("nopost\n", &second);
15572 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15576 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15578 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15579 if (pr == NoProc) return;
15580 AskQuestion(title, question, replyPrefix, pr);
15584 TypeInEvent (char firstChar)
15586 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15587 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15588 gameMode == AnalyzeMode || gameMode == EditGame ||
15589 gameMode == EditPosition || gameMode == IcsExamining ||
15590 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15591 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15592 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15593 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15594 gameMode == Training) PopUpMoveDialog(firstChar);
15598 TypeInDoneEvent (char *move)
15601 int n, fromX, fromY, toX, toY;
15603 ChessMove moveType;
15606 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15607 EditPositionPasteFEN(move);
15610 // [HGM] movenum: allow move number to be typed in any mode
15611 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15615 // undocumented kludge: allow command-line option to be typed in!
15616 // (potentially fatal, and does not implement the effect of the option.)
15617 // should only be used for options that are values on which future decisions will be made,
15618 // and definitely not on options that would be used during initialization.
15619 if(strstr(move, "!!! -") == move) {
15620 ParseArgsFromString(move+4);
15624 if (gameMode != EditGame && currentMove != forwardMostMove &&
15625 gameMode != Training) {
15626 DisplayMoveError(_("Displayed move is not current"));
15628 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15629 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15630 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15631 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15632 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15633 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15635 DisplayMoveError(_("Could not parse move"));
15641 DisplayMove (int moveNumber)
15643 char message[MSG_SIZ];
15645 char cpThinkOutput[MSG_SIZ];
15647 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15649 if (moveNumber == forwardMostMove - 1 ||
15650 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15652 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15654 if (strchr(cpThinkOutput, '\n')) {
15655 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15658 *cpThinkOutput = NULLCHAR;
15661 /* [AS] Hide thinking from human user */
15662 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15663 *cpThinkOutput = NULLCHAR;
15664 if( thinkOutput[0] != NULLCHAR ) {
15667 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15668 cpThinkOutput[i] = '.';
15670 cpThinkOutput[i] = NULLCHAR;
15671 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15675 if (moveNumber == forwardMostMove - 1 &&
15676 gameInfo.resultDetails != NULL) {
15677 if (gameInfo.resultDetails[0] == NULLCHAR) {
15678 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15680 snprintf(res, MSG_SIZ, " {%s} %s",
15681 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15687 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15688 DisplayMessage(res, cpThinkOutput);
15690 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15691 WhiteOnMove(moveNumber) ? " " : ".. ",
15692 parseList[moveNumber], res);
15693 DisplayMessage(message, cpThinkOutput);
15698 DisplayComment (int moveNumber, char *text)
15700 char title[MSG_SIZ];
15702 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15703 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15705 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15706 WhiteOnMove(moveNumber) ? " " : ".. ",
15707 parseList[moveNumber]);
15709 if (text != NULL && (appData.autoDisplayComment || commentUp))
15710 CommentPopUp(title, text);
15713 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15714 * might be busy thinking or pondering. It can be omitted if your
15715 * gnuchess is configured to stop thinking immediately on any user
15716 * input. However, that gnuchess feature depends on the FIONREAD
15717 * ioctl, which does not work properly on some flavors of Unix.
15720 Attention (ChessProgramState *cps)
15723 if (!cps->useSigint) return;
15724 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15725 switch (gameMode) {
15726 case MachinePlaysWhite:
15727 case MachinePlaysBlack:
15728 case TwoMachinesPlay:
15729 case IcsPlayingWhite:
15730 case IcsPlayingBlack:
15733 /* Skip if we know it isn't thinking */
15734 if (!cps->maybeThinking) return;
15735 if (appData.debugMode)
15736 fprintf(debugFP, "Interrupting %s\n", cps->which);
15737 InterruptChildProcess(cps->pr);
15738 cps->maybeThinking = FALSE;
15743 #endif /*ATTENTION*/
15749 if (whiteTimeRemaining <= 0) {
15752 if (appData.icsActive) {
15753 if (appData.autoCallFlag &&
15754 gameMode == IcsPlayingBlack && !blackFlag) {
15755 SendToICS(ics_prefix);
15756 SendToICS("flag\n");
15760 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15762 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15763 if (appData.autoCallFlag) {
15764 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15771 if (blackTimeRemaining <= 0) {
15774 if (appData.icsActive) {
15775 if (appData.autoCallFlag &&
15776 gameMode == IcsPlayingWhite && !whiteFlag) {
15777 SendToICS(ics_prefix);
15778 SendToICS("flag\n");
15782 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15784 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15785 if (appData.autoCallFlag) {
15786 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15797 CheckTimeControl ()
15799 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15800 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15803 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15805 if ( !WhiteOnMove(forwardMostMove) ) {
15806 /* White made time control */
15807 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15808 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15809 /* [HGM] time odds: correct new time quota for time odds! */
15810 / WhitePlayer()->timeOdds;
15811 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15813 lastBlack -= blackTimeRemaining;
15814 /* Black made time control */
15815 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15816 / WhitePlayer()->other->timeOdds;
15817 lastWhite = whiteTimeRemaining;
15822 DisplayBothClocks ()
15824 int wom = gameMode == EditPosition ?
15825 !blackPlaysFirst : WhiteOnMove(currentMove);
15826 DisplayWhiteClock(whiteTimeRemaining, wom);
15827 DisplayBlackClock(blackTimeRemaining, !wom);
15831 /* Timekeeping seems to be a portability nightmare. I think everyone
15832 has ftime(), but I'm really not sure, so I'm including some ifdefs
15833 to use other calls if you don't. Clocks will be less accurate if
15834 you have neither ftime nor gettimeofday.
15837 /* VS 2008 requires the #include outside of the function */
15838 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15839 #include <sys/timeb.h>
15842 /* Get the current time as a TimeMark */
15844 GetTimeMark (TimeMark *tm)
15846 #if HAVE_GETTIMEOFDAY
15848 struct timeval timeVal;
15849 struct timezone timeZone;
15851 gettimeofday(&timeVal, &timeZone);
15852 tm->sec = (long) timeVal.tv_sec;
15853 tm->ms = (int) (timeVal.tv_usec / 1000L);
15855 #else /*!HAVE_GETTIMEOFDAY*/
15858 // include <sys/timeb.h> / moved to just above start of function
15859 struct timeb timeB;
15862 tm->sec = (long) timeB.time;
15863 tm->ms = (int) timeB.millitm;
15865 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15866 tm->sec = (long) time(NULL);
15872 /* Return the difference in milliseconds between two
15873 time marks. We assume the difference will fit in a long!
15876 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
15878 return 1000L*(tm2->sec - tm1->sec) +
15879 (long) (tm2->ms - tm1->ms);
15884 * Code to manage the game clocks.
15886 * In tournament play, black starts the clock and then white makes a move.
15887 * We give the human user a slight advantage if he is playing white---the
15888 * clocks don't run until he makes his first move, so it takes zero time.
15889 * Also, we don't account for network lag, so we could get out of sync
15890 * with GNU Chess's clock -- but then, referees are always right.
15893 static TimeMark tickStartTM;
15894 static long intendedTickLength;
15897 NextTickLength (long timeRemaining)
15899 long nominalTickLength, nextTickLength;
15901 if (timeRemaining > 0L && timeRemaining <= 10000L)
15902 nominalTickLength = 100L;
15904 nominalTickLength = 1000L;
15905 nextTickLength = timeRemaining % nominalTickLength;
15906 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15908 return nextTickLength;
15911 /* Adjust clock one minute up or down */
15913 AdjustClock (Boolean which, int dir)
15915 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15916 if(which) blackTimeRemaining += 60000*dir;
15917 else whiteTimeRemaining += 60000*dir;
15918 DisplayBothClocks();
15919 adjustedClock = TRUE;
15922 /* Stop clocks and reset to a fresh time control */
15926 (void) StopClockTimer();
15927 if (appData.icsActive) {
15928 whiteTimeRemaining = blackTimeRemaining = 0;
15929 } else if (searchTime) {
15930 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15931 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15932 } else { /* [HGM] correct new time quote for time odds */
15933 whiteTC = blackTC = fullTimeControlString;
15934 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15935 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15937 if (whiteFlag || blackFlag) {
15939 whiteFlag = blackFlag = FALSE;
15941 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15942 DisplayBothClocks();
15943 adjustedClock = FALSE;
15946 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15948 /* Decrement running clock by amount of time that has passed */
15952 long timeRemaining;
15953 long lastTickLength, fudge;
15956 if (!appData.clockMode) return;
15957 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15961 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15963 /* Fudge if we woke up a little too soon */
15964 fudge = intendedTickLength - lastTickLength;
15965 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15967 if (WhiteOnMove(forwardMostMove)) {
15968 if(whiteNPS >= 0) lastTickLength = 0;
15969 timeRemaining = whiteTimeRemaining -= lastTickLength;
15970 if(timeRemaining < 0 && !appData.icsActive) {
15971 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15972 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15973 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15974 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15977 DisplayWhiteClock(whiteTimeRemaining - fudge,
15978 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15980 if(blackNPS >= 0) lastTickLength = 0;
15981 timeRemaining = blackTimeRemaining -= lastTickLength;
15982 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15983 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15985 blackStartMove = forwardMostMove;
15986 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15989 DisplayBlackClock(blackTimeRemaining - fudge,
15990 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15992 if (CheckFlags()) return;
15995 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15996 StartClockTimer(intendedTickLength);
15998 /* if the time remaining has fallen below the alarm threshold, sound the
15999 * alarm. if the alarm has sounded and (due to a takeback or time control
16000 * with increment) the time remaining has increased to a level above the
16001 * threshold, reset the alarm so it can sound again.
16004 if (appData.icsActive && appData.icsAlarm) {
16006 /* make sure we are dealing with the user's clock */
16007 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16008 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16011 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16012 alarmSounded = FALSE;
16013 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16015 alarmSounded = TRUE;
16021 /* A player has just moved, so stop the previously running
16022 clock and (if in clock mode) start the other one.
16023 We redisplay both clocks in case we're in ICS mode, because
16024 ICS gives us an update to both clocks after every move.
16025 Note that this routine is called *after* forwardMostMove
16026 is updated, so the last fractional tick must be subtracted
16027 from the color that is *not* on move now.
16030 SwitchClocks (int newMoveNr)
16032 long lastTickLength;
16034 int flagged = FALSE;
16038 if (StopClockTimer() && appData.clockMode) {
16039 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16040 if (!WhiteOnMove(forwardMostMove)) {
16041 if(blackNPS >= 0) lastTickLength = 0;
16042 blackTimeRemaining -= lastTickLength;
16043 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16044 // if(pvInfoList[forwardMostMove].time == -1)
16045 pvInfoList[forwardMostMove].time = // use GUI time
16046 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16048 if(whiteNPS >= 0) lastTickLength = 0;
16049 whiteTimeRemaining -= lastTickLength;
16050 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16051 // if(pvInfoList[forwardMostMove].time == -1)
16052 pvInfoList[forwardMostMove].time =
16053 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16055 flagged = CheckFlags();
16057 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16058 CheckTimeControl();
16060 if (flagged || !appData.clockMode) return;
16062 switch (gameMode) {
16063 case MachinePlaysBlack:
16064 case MachinePlaysWhite:
16065 case BeginningOfGame:
16066 if (pausing) return;
16070 case PlayFromGameFile:
16078 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16079 if(WhiteOnMove(forwardMostMove))
16080 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16081 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16085 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16086 whiteTimeRemaining : blackTimeRemaining);
16087 StartClockTimer(intendedTickLength);
16091 /* Stop both clocks */
16095 long lastTickLength;
16098 if (!StopClockTimer()) return;
16099 if (!appData.clockMode) return;
16103 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16104 if (WhiteOnMove(forwardMostMove)) {
16105 if(whiteNPS >= 0) lastTickLength = 0;
16106 whiteTimeRemaining -= lastTickLength;
16107 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16109 if(blackNPS >= 0) lastTickLength = 0;
16110 blackTimeRemaining -= lastTickLength;
16111 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16116 /* Start clock of player on move. Time may have been reset, so
16117 if clock is already running, stop and restart it. */
16121 (void) StopClockTimer(); /* in case it was running already */
16122 DisplayBothClocks();
16123 if (CheckFlags()) return;
16125 if (!appData.clockMode) return;
16126 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16128 GetTimeMark(&tickStartTM);
16129 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16130 whiteTimeRemaining : blackTimeRemaining);
16132 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16133 whiteNPS = blackNPS = -1;
16134 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16135 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16136 whiteNPS = first.nps;
16137 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16138 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16139 blackNPS = first.nps;
16140 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16141 whiteNPS = second.nps;
16142 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16143 blackNPS = second.nps;
16144 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16146 StartClockTimer(intendedTickLength);
16150 TimeString (long ms)
16152 long second, minute, hour, day;
16154 static char buf[32];
16156 if (ms > 0 && ms <= 9900) {
16157 /* convert milliseconds to tenths, rounding up */
16158 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16160 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16164 /* convert milliseconds to seconds, rounding up */
16165 /* use floating point to avoid strangeness of integer division
16166 with negative dividends on many machines */
16167 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16174 day = second / (60 * 60 * 24);
16175 second = second % (60 * 60 * 24);
16176 hour = second / (60 * 60);
16177 second = second % (60 * 60);
16178 minute = second / 60;
16179 second = second % 60;
16182 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16183 sign, day, hour, minute, second);
16185 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16187 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16194 * This is necessary because some C libraries aren't ANSI C compliant yet.
16197 StrStr (char *string, char *match)
16201 length = strlen(match);
16203 for (i = strlen(string) - length; i >= 0; i--, string++)
16204 if (!strncmp(match, string, length))
16211 StrCaseStr (char *string, char *match)
16215 length = strlen(match);
16217 for (i = strlen(string) - length; i >= 0; i--, string++) {
16218 for (j = 0; j < length; j++) {
16219 if (ToLower(match[j]) != ToLower(string[j]))
16222 if (j == length) return string;
16230 StrCaseCmp (char *s1, char *s2)
16235 c1 = ToLower(*s1++);
16236 c2 = ToLower(*s2++);
16237 if (c1 > c2) return 1;
16238 if (c1 < c2) return -1;
16239 if (c1 == NULLCHAR) return 0;
16247 return isupper(c) ? tolower(c) : c;
16254 return islower(c) ? toupper(c) : c;
16256 #endif /* !_amigados */
16263 if ((ret = (char *) malloc(strlen(s) + 1)))
16265 safeStrCpy(ret, s, strlen(s)+1);
16271 StrSavePtr (char *s, char **savePtr)
16276 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16277 safeStrCpy(*savePtr, s, strlen(s)+1);
16289 clock = time((time_t *)NULL);
16290 tm = localtime(&clock);
16291 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16292 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16293 return StrSave(buf);
16298 PositionToFEN (int move, char *overrideCastling)
16300 int i, j, fromX, fromY, toX, toY;
16307 whiteToPlay = (gameMode == EditPosition) ?
16308 !blackPlaysFirst : (move % 2 == 0);
16311 /* Piece placement data */
16312 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16313 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16315 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16316 if (boards[move][i][j] == EmptySquare) {
16318 } else { ChessSquare piece = boards[move][i][j];
16319 if (emptycount > 0) {
16320 if(emptycount<10) /* [HGM] can be >= 10 */
16321 *p++ = '0' + emptycount;
16322 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16325 if(PieceToChar(piece) == '+') {
16326 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16328 piece = (ChessSquare)(DEMOTED piece);
16330 *p++ = PieceToChar(piece);
16332 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16333 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16338 if (emptycount > 0) {
16339 if(emptycount<10) /* [HGM] can be >= 10 */
16340 *p++ = '0' + emptycount;
16341 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16348 /* [HGM] print Crazyhouse or Shogi holdings */
16349 if( gameInfo.holdingsWidth ) {
16350 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16352 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16353 piece = boards[move][i][BOARD_WIDTH-1];
16354 if( piece != EmptySquare )
16355 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16356 *p++ = PieceToChar(piece);
16358 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16359 piece = boards[move][BOARD_HEIGHT-i-1][0];
16360 if( piece != EmptySquare )
16361 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16362 *p++ = PieceToChar(piece);
16365 if( q == p ) *p++ = '-';
16371 *p++ = whiteToPlay ? 'w' : 'b';
16374 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16375 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16377 if(nrCastlingRights) {
16379 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16380 /* [HGM] write directly from rights */
16381 if(boards[move][CASTLING][2] != NoRights &&
16382 boards[move][CASTLING][0] != NoRights )
16383 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16384 if(boards[move][CASTLING][2] != NoRights &&
16385 boards[move][CASTLING][1] != NoRights )
16386 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16387 if(boards[move][CASTLING][5] != NoRights &&
16388 boards[move][CASTLING][3] != NoRights )
16389 *p++ = boards[move][CASTLING][3] + AAA;
16390 if(boards[move][CASTLING][5] != NoRights &&
16391 boards[move][CASTLING][4] != NoRights )
16392 *p++ = boards[move][CASTLING][4] + AAA;
16395 /* [HGM] write true castling rights */
16396 if( nrCastlingRights == 6 ) {
16397 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16398 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16399 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16400 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16401 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16402 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16403 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16404 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16407 if (q == p) *p++ = '-'; /* No castling rights */
16411 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16412 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16413 /* En passant target square */
16414 if (move > backwardMostMove) {
16415 fromX = moveList[move - 1][0] - AAA;
16416 fromY = moveList[move - 1][1] - ONE;
16417 toX = moveList[move - 1][2] - AAA;
16418 toY = moveList[move - 1][3] - ONE;
16419 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16420 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16421 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16423 /* 2-square pawn move just happened */
16425 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16429 } else if(move == backwardMostMove) {
16430 // [HGM] perhaps we should always do it like this, and forget the above?
16431 if((signed char)boards[move][EP_STATUS] >= 0) {
16432 *p++ = boards[move][EP_STATUS] + AAA;
16433 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16444 /* [HGM] find reversible plies */
16445 { int i = 0, j=move;
16447 if (appData.debugMode) { int k;
16448 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16449 for(k=backwardMostMove; k<=forwardMostMove; k++)
16450 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16454 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16455 if( j == backwardMostMove ) i += initialRulePlies;
16456 sprintf(p, "%d ", i);
16457 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16459 /* Fullmove number */
16460 sprintf(p, "%d", (move / 2) + 1);
16462 return StrSave(buf);
16466 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16475 /* [HGM] by default clear Crazyhouse holdings, if present */
16476 if(gameInfo.holdingsWidth) {
16477 for(i=0; i<BOARD_HEIGHT; i++) {
16478 board[i][0] = EmptySquare; /* black holdings */
16479 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16480 board[i][1] = (ChessSquare) 0; /* black counts */
16481 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16485 /* Piece placement data */
16486 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16489 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16490 if (*p == '/') p++;
16491 emptycount = gameInfo.boardWidth - j;
16492 while (emptycount--)
16493 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16495 #if(BOARD_FILES >= 10)
16496 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16497 p++; emptycount=10;
16498 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16499 while (emptycount--)
16500 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16502 } else if (isdigit(*p)) {
16503 emptycount = *p++ - '0';
16504 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16505 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16506 while (emptycount--)
16507 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16508 } else if (*p == '+' || isalpha(*p)) {
16509 if (j >= gameInfo.boardWidth) return FALSE;
16511 piece = CharToPiece(*++p);
16512 if(piece == EmptySquare) return FALSE; /* unknown piece */
16513 piece = (ChessSquare) (PROMOTED piece ); p++;
16514 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16515 } else piece = CharToPiece(*p++);
16517 if(piece==EmptySquare) return FALSE; /* unknown piece */
16518 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16519 piece = (ChessSquare) (PROMOTED piece);
16520 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16523 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16529 while (*p == '/' || *p == ' ') p++;
16531 /* [HGM] look for Crazyhouse holdings here */
16532 while(*p==' ') p++;
16533 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16535 if(*p == '-' ) p++; /* empty holdings */ else {
16536 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16537 /* if we would allow FEN reading to set board size, we would */
16538 /* have to add holdings and shift the board read so far here */
16539 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16541 if((int) piece >= (int) BlackPawn ) {
16542 i = (int)piece - (int)BlackPawn;
16543 i = PieceToNumber((ChessSquare)i);
16544 if( i >= gameInfo.holdingsSize ) return FALSE;
16545 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16546 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16548 i = (int)piece - (int)WhitePawn;
16549 i = PieceToNumber((ChessSquare)i);
16550 if( i >= gameInfo.holdingsSize ) return FALSE;
16551 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16552 board[i][BOARD_WIDTH-2]++; /* black holdings */
16559 while(*p == ' ') p++;
16563 if(appData.colorNickNames) {
16564 if( c == appData.colorNickNames[0] ) c = 'w'; else
16565 if( c == appData.colorNickNames[1] ) c = 'b';
16569 *blackPlaysFirst = FALSE;
16572 *blackPlaysFirst = TRUE;
16578 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16579 /* return the extra info in global variiables */
16581 /* set defaults in case FEN is incomplete */
16582 board[EP_STATUS] = EP_UNKNOWN;
16583 for(i=0; i<nrCastlingRights; i++ ) {
16584 board[CASTLING][i] =
16585 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16586 } /* assume possible unless obviously impossible */
16587 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16588 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16589 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16590 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16591 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16592 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16593 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16594 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16597 while(*p==' ') p++;
16598 if(nrCastlingRights) {
16599 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16600 /* castling indicator present, so default becomes no castlings */
16601 for(i=0; i<nrCastlingRights; i++ ) {
16602 board[CASTLING][i] = NoRights;
16605 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16606 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16607 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16608 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16609 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16611 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16612 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16613 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16615 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16616 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16617 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16618 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16619 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16620 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16623 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16624 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16625 board[CASTLING][2] = whiteKingFile;
16628 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16629 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16630 board[CASTLING][2] = whiteKingFile;
16633 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16634 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16635 board[CASTLING][5] = blackKingFile;
16638 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16639 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16640 board[CASTLING][5] = blackKingFile;
16643 default: /* FRC castlings */
16644 if(c >= 'a') { /* black rights */
16645 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16646 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16647 if(i == BOARD_RGHT) break;
16648 board[CASTLING][5] = i;
16650 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16651 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16653 board[CASTLING][3] = c;
16655 board[CASTLING][4] = c;
16656 } else { /* white rights */
16657 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16658 if(board[0][i] == WhiteKing) break;
16659 if(i == BOARD_RGHT) break;
16660 board[CASTLING][2] = i;
16661 c -= AAA - 'a' + 'A';
16662 if(board[0][c] >= WhiteKing) break;
16664 board[CASTLING][0] = c;
16666 board[CASTLING][1] = c;
16670 for(i=0; i<nrCastlingRights; i++)
16671 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16672 if (appData.debugMode) {
16673 fprintf(debugFP, "FEN castling rights:");
16674 for(i=0; i<nrCastlingRights; i++)
16675 fprintf(debugFP, " %d", board[CASTLING][i]);
16676 fprintf(debugFP, "\n");
16679 while(*p==' ') p++;
16682 /* read e.p. field in games that know e.p. capture */
16683 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16684 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16686 p++; board[EP_STATUS] = EP_NONE;
16688 char c = *p++ - AAA;
16690 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16691 if(*p >= '0' && *p <='9') p++;
16692 board[EP_STATUS] = c;
16697 if(sscanf(p, "%d", &i) == 1) {
16698 FENrulePlies = i; /* 50-move ply counter */
16699 /* (The move number is still ignored) */
16706 EditPositionPasteFEN (char *fen)
16709 Board initial_position;
16711 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16712 DisplayError(_("Bad FEN position in clipboard"), 0);
16715 int savedBlackPlaysFirst = blackPlaysFirst;
16716 EditPositionEvent();
16717 blackPlaysFirst = savedBlackPlaysFirst;
16718 CopyBoard(boards[0], initial_position);
16719 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16720 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16721 DisplayBothClocks();
16722 DrawPosition(FALSE, boards[currentMove]);
16727 static char cseq[12] = "\\ ";
16730 set_cont_sequence (char *new_seq)
16735 // handle bad attempts to set the sequence
16737 return 0; // acceptable error - no debug
16739 len = strlen(new_seq);
16740 ret = (len > 0) && (len < sizeof(cseq));
16742 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16743 else if (appData.debugMode)
16744 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16749 reformat a source message so words don't cross the width boundary. internal
16750 newlines are not removed. returns the wrapped size (no null character unless
16751 included in source message). If dest is NULL, only calculate the size required
16752 for the dest buffer. lp argument indicats line position upon entry, and it's
16753 passed back upon exit.
16756 wrap (char *dest, char *src, int count, int width, int *lp)
16758 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16760 cseq_len = strlen(cseq);
16761 old_line = line = *lp;
16762 ansi = len = clen = 0;
16764 for (i=0; i < count; i++)
16766 if (src[i] == '\033')
16769 // if we hit the width, back up
16770 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16772 // store i & len in case the word is too long
16773 old_i = i, old_len = len;
16775 // find the end of the last word
16776 while (i && src[i] != ' ' && src[i] != '\n')
16782 // word too long? restore i & len before splitting it
16783 if ((old_i-i+clen) >= width)
16790 if (i && src[i-1] == ' ')
16793 if (src[i] != ' ' && src[i] != '\n')
16800 // now append the newline and continuation sequence
16805 strncpy(dest+len, cseq, cseq_len);
16813 dest[len] = src[i];
16817 if (src[i] == '\n')
16822 if (dest && appData.debugMode)
16824 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16825 count, width, line, len, *lp);
16826 show_bytes(debugFP, src, count);
16827 fprintf(debugFP, "\ndest: ");
16828 show_bytes(debugFP, dest, len);
16829 fprintf(debugFP, "\n");
16831 *lp = dest ? line : old_line;
16836 // [HGM] vari: routines for shelving variations
16837 Boolean modeRestore = FALSE;
16840 PushInner (int firstMove, int lastMove)
16842 int i, j, nrMoves = lastMove - firstMove;
16844 // push current tail of game on stack
16845 savedResult[storedGames] = gameInfo.result;
16846 savedDetails[storedGames] = gameInfo.resultDetails;
16847 gameInfo.resultDetails = NULL;
16848 savedFirst[storedGames] = firstMove;
16849 savedLast [storedGames] = lastMove;
16850 savedFramePtr[storedGames] = framePtr;
16851 framePtr -= nrMoves; // reserve space for the boards
16852 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16853 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16854 for(j=0; j<MOVE_LEN; j++)
16855 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16856 for(j=0; j<2*MOVE_LEN; j++)
16857 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16858 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16859 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16860 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16861 pvInfoList[firstMove+i-1].depth = 0;
16862 commentList[framePtr+i] = commentList[firstMove+i];
16863 commentList[firstMove+i] = NULL;
16867 forwardMostMove = firstMove; // truncate game so we can start variation
16871 PushTail (int firstMove, int lastMove)
16873 if(appData.icsActive) { // only in local mode
16874 forwardMostMove = currentMove; // mimic old ICS behavior
16877 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16879 PushInner(firstMove, lastMove);
16880 if(storedGames == 1) GreyRevert(FALSE);
16881 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16885 PopInner (Boolean annotate)
16888 char buf[8000], moveBuf[20];
16890 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16891 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16892 nrMoves = savedLast[storedGames] - currentMove;
16895 if(!WhiteOnMove(currentMove))
16896 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16897 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16898 for(i=currentMove; i<forwardMostMove; i++) {
16900 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16901 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16902 strcat(buf, moveBuf);
16903 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16904 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16908 for(i=1; i<=nrMoves; i++) { // copy last variation back
16909 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16910 for(j=0; j<MOVE_LEN; j++)
16911 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16912 for(j=0; j<2*MOVE_LEN; j++)
16913 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16914 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16915 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16916 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16917 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16918 commentList[currentMove+i] = commentList[framePtr+i];
16919 commentList[framePtr+i] = NULL;
16921 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16922 framePtr = savedFramePtr[storedGames];
16923 gameInfo.result = savedResult[storedGames];
16924 if(gameInfo.resultDetails != NULL) {
16925 free(gameInfo.resultDetails);
16927 gameInfo.resultDetails = savedDetails[storedGames];
16928 forwardMostMove = currentMove + nrMoves;
16932 PopTail (Boolean annotate)
16934 if(appData.icsActive) return FALSE; // only in local mode
16935 if(!storedGames) return FALSE; // sanity
16936 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16938 PopInner(annotate);
16939 if(currentMove < forwardMostMove) ForwardEvent(); else
16940 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16942 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16948 { // remove all shelved variations
16950 for(i=0; i<storedGames; i++) {
16951 if(savedDetails[i])
16952 free(savedDetails[i]);
16953 savedDetails[i] = NULL;
16955 for(i=framePtr; i<MAX_MOVES; i++) {
16956 if(commentList[i]) free(commentList[i]);
16957 commentList[i] = NULL;
16959 framePtr = MAX_MOVES-1;
16964 LoadVariation (int index, char *text)
16965 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16966 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16967 int level = 0, move;
16969 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
16970 // first find outermost bracketing variation
16971 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16972 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16973 if(*p == '{') wait = '}'; else
16974 if(*p == '[') wait = ']'; else
16975 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16976 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16978 if(*p == wait) wait = NULLCHAR; // closing ]} found
16981 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16982 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16983 end[1] = NULLCHAR; // clip off comment beyond variation
16984 ToNrEvent(currentMove-1);
16985 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16986 // kludge: use ParsePV() to append variation to game
16987 move = currentMove;
16988 ParsePV(start, TRUE, TRUE);
16989 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16990 ClearPremoveHighlights();
16992 ToNrEvent(currentMove+1);