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;
398 [AS] Note: sometimes, the sscanf() function is used to parse the input
399 into a fixed-size buffer. Because of this, we must be prepared to
400 receive strings as long as the size of the input buffer, which is currently
401 set to 4K for Windows and 8K for the rest.
402 So, we must either allocate sufficiently large buffers here, or
403 reduce the size of the input buffer in the input reading part.
406 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
407 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
408 char thinkOutput1[MSG_SIZ*10];
410 ChessProgramState first, second, pairing;
412 /* premove variables */
415 int premoveFromX = 0;
416 int premoveFromY = 0;
417 int premovePromoChar = 0;
419 Boolean alarmSounded;
420 /* end premove variables */
422 char *ics_prefix = "$";
423 int ics_type = ICS_GENERIC;
425 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
426 int pauseExamForwardMostMove = 0;
427 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
428 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
429 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
430 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
431 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
432 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
433 int whiteFlag = FALSE, blackFlag = FALSE;
434 int userOfferedDraw = FALSE;
435 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
436 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
437 int cmailMoveType[CMAIL_MAX_GAMES];
438 long ics_clock_paused = 0;
439 ProcRef icsPR = NoProc, cmailPR = NoProc;
440 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
441 GameMode gameMode = BeginningOfGame;
442 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
443 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
444 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
445 int hiddenThinkOutputState = 0; /* [AS] */
446 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
447 int adjudicateLossPlies = 6;
448 char white_holding[64], black_holding[64];
449 TimeMark lastNodeCountTime;
450 long lastNodeCount=0;
451 int shiftKey; // [HGM] set by mouse handler
453 int have_sent_ICS_logon = 0;
455 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
456 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
457 Boolean adjustedClock;
458 long timeControl_2; /* [AS] Allow separate time controls */
459 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
460 long timeRemaining[2][MAX_MOVES];
461 int matchGame = 0, nextGame = 0, roundNr = 0;
462 Boolean waitingForGame = FALSE;
463 TimeMark programStartTime, pauseStart;
464 char ics_handle[MSG_SIZ];
465 int have_set_title = 0;
467 /* animateTraining preserves the state of appData.animate
468 * when Training mode is activated. This allows the
469 * response to be animated when appData.animate == TRUE and
470 * appData.animateDragging == TRUE.
472 Boolean animateTraining;
478 Board boards[MAX_MOVES];
479 /* [HGM] Following 7 needed for accurate legality tests: */
480 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
481 signed char initialRights[BOARD_FILES];
482 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
483 int initialRulePlies, FENrulePlies;
484 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
486 Boolean shuffleOpenings;
487 int mute; // mute all sounds
489 // [HGM] vari: next 12 to save and restore variations
490 #define MAX_VARIATIONS 10
491 int framePtr = MAX_MOVES-1; // points to free stack entry
493 int savedFirst[MAX_VARIATIONS];
494 int savedLast[MAX_VARIATIONS];
495 int savedFramePtr[MAX_VARIATIONS];
496 char *savedDetails[MAX_VARIATIONS];
497 ChessMove savedResult[MAX_VARIATIONS];
499 void PushTail P((int firstMove, int lastMove));
500 Boolean PopTail P((Boolean annotate));
501 void PushInner P((int firstMove, int lastMove));
502 void PopInner P((Boolean annotate));
503 void CleanupTail P((void));
505 ChessSquare FIDEArray[2][BOARD_FILES] = {
506 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
507 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
508 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
509 BlackKing, BlackBishop, BlackKnight, BlackRook }
512 ChessSquare twoKingsArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
514 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
515 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
516 BlackKing, BlackKing, BlackKnight, BlackRook }
519 ChessSquare KnightmateArray[2][BOARD_FILES] = {
520 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
521 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
522 { BlackRook, BlackMan, BlackBishop, BlackQueen,
523 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
526 ChessSquare SpartanArray[2][BOARD_FILES] = {
527 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
528 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
529 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
530 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
533 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
534 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
535 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
536 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
537 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
540 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
541 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
542 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
544 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
547 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
548 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
549 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
550 { BlackRook, BlackKnight, BlackMan, BlackFerz,
551 BlackKing, BlackMan, BlackKnight, BlackRook }
555 #if (BOARD_FILES>=10)
556 ChessSquare ShogiArray[2][BOARD_FILES] = {
557 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
558 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
559 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
560 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
563 ChessSquare XiangqiArray[2][BOARD_FILES] = {
564 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
565 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
566 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
567 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
570 ChessSquare CapablancaArray[2][BOARD_FILES] = {
571 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
572 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
573 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
574 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
577 ChessSquare GreatArray[2][BOARD_FILES] = {
578 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
579 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
580 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
581 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
584 ChessSquare JanusArray[2][BOARD_FILES] = {
585 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
586 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
587 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
588 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
591 ChessSquare GrandArray[2][BOARD_FILES] = {
592 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
593 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
594 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
595 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
599 ChessSquare GothicArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
601 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
602 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
603 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
606 #define GothicArray CapablancaArray
610 ChessSquare FalconArray[2][BOARD_FILES] = {
611 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
612 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
613 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
614 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
617 #define FalconArray CapablancaArray
620 #else // !(BOARD_FILES>=10)
621 #define XiangqiPosition FIDEArray
622 #define CapablancaArray FIDEArray
623 #define GothicArray FIDEArray
624 #define GreatArray FIDEArray
625 #endif // !(BOARD_FILES>=10)
627 #if (BOARD_FILES>=12)
628 ChessSquare CourierArray[2][BOARD_FILES] = {
629 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
630 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
631 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
632 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
634 #else // !(BOARD_FILES>=12)
635 #define CourierArray CapablancaArray
636 #endif // !(BOARD_FILES>=12)
639 Board initialPosition;
642 /* Convert str to a rating. Checks for special cases of "----",
644 "++++", etc. Also strips ()'s */
646 string_to_rating (char *str)
648 while(*str && !isdigit(*str)) ++str;
650 return 0; /* One of the special "no rating" cases */
658 /* Init programStats */
659 programStats.movelist[0] = 0;
660 programStats.depth = 0;
661 programStats.nr_moves = 0;
662 programStats.moves_left = 0;
663 programStats.nodes = 0;
664 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
665 programStats.score = 0;
666 programStats.got_only_move = 0;
667 programStats.got_fail = 0;
668 programStats.line_is_book = 0;
673 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
674 if (appData.firstPlaysBlack) {
675 first.twoMachinesColor = "black\n";
676 second.twoMachinesColor = "white\n";
678 first.twoMachinesColor = "white\n";
679 second.twoMachinesColor = "black\n";
682 first.other = &second;
683 second.other = &first;
686 if(appData.timeOddsMode) {
687 norm = appData.timeOdds[0];
688 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
690 first.timeOdds = appData.timeOdds[0]/norm;
691 second.timeOdds = appData.timeOdds[1]/norm;
694 if(programVersion) free(programVersion);
695 if (appData.noChessProgram) {
696 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
697 sprintf(programVersion, "%s", PACKAGE_STRING);
699 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
700 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
701 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
706 UnloadEngine (ChessProgramState *cps)
708 /* Kill off first chess program */
709 if (cps->isr != NULL)
710 RemoveInputSource(cps->isr);
713 if (cps->pr != NoProc) {
715 DoSleep( appData.delayBeforeQuit );
716 SendToProgram("quit\n", cps);
717 DoSleep( appData.delayAfterQuit );
718 DestroyChildProcess(cps->pr, cps->useSigterm);
721 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
725 ClearOptions (ChessProgramState *cps)
728 cps->nrOptions = cps->comboCnt = 0;
729 for(i=0; i<MAX_OPTIONS; i++) {
730 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
731 cps->option[i].textValue = 0;
735 char *engineNames[] = {
741 InitEngine (ChessProgramState *cps, int n)
742 { // [HGM] all engine initialiation put in a function that does one engine
746 cps->which = engineNames[n];
747 cps->maybeThinking = FALSE;
751 cps->sendDrawOffers = 1;
753 cps->program = appData.chessProgram[n];
754 cps->host = appData.host[n];
755 cps->dir = appData.directory[n];
756 cps->initString = appData.engInitString[n];
757 cps->computerString = appData.computerString[n];
758 cps->useSigint = TRUE;
759 cps->useSigterm = TRUE;
760 cps->reuse = appData.reuse[n];
761 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
762 cps->useSetboard = FALSE;
764 cps->usePing = FALSE;
767 cps->usePlayother = FALSE;
768 cps->useColors = TRUE;
769 cps->useUsermove = FALSE;
770 cps->sendICS = FALSE;
771 cps->sendName = appData.icsActive;
772 cps->sdKludge = FALSE;
773 cps->stKludge = FALSE;
774 TidyProgramName(cps->program, cps->host, cps->tidy);
776 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
777 cps->analysisSupport = 2; /* detect */
778 cps->analyzing = FALSE;
779 cps->initDone = FALSE;
781 /* New features added by Tord: */
782 cps->useFEN960 = FALSE;
783 cps->useOOCastle = TRUE;
784 /* End of new features added by Tord. */
785 cps->fenOverride = appData.fenOverride[n];
787 /* [HGM] time odds: set factor for each machine */
788 cps->timeOdds = appData.timeOdds[n];
790 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
791 cps->accumulateTC = appData.accumulateTC[n];
792 cps->maxNrOfSessions = 1;
797 cps->supportsNPS = UNKNOWN;
798 cps->memSize = FALSE;
799 cps->maxCores = FALSE;
800 cps->egtFormats[0] = NULLCHAR;
803 cps->optionSettings = appData.engOptions[n];
805 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
806 cps->isUCI = appData.isUCI[n]; /* [AS] */
807 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
809 if (appData.protocolVersion[n] > PROTOVER
810 || appData.protocolVersion[n] < 1)
815 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
816 appData.protocolVersion[n]);
817 if( (len >= MSG_SIZ) && appData.debugMode )
818 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
820 DisplayFatalError(buf, 0, 2);
824 cps->protocolVersion = appData.protocolVersion[n];
827 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
828 ParseFeatures(appData.featureDefaults, cps);
831 ChessProgramState *savCps;
837 if(WaitForEngine(savCps, LoadEngine)) return;
838 CommonEngineInit(); // recalculate time odds
839 if(gameInfo.variant != StringToVariant(appData.variant)) {
840 // we changed variant when loading the engine; this forces us to reset
841 Reset(TRUE, savCps != &first);
842 EditGameEvent(); // for consistency with other path, as Reset changes mode
844 InitChessProgram(savCps, FALSE);
845 SendToProgram("force\n", savCps);
846 DisplayMessage("", "");
847 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
848 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
854 ReplaceEngine (ChessProgramState *cps, int n)
858 appData.noChessProgram = FALSE;
859 appData.clockMode = TRUE;
862 if(n) return; // only startup first engine immediately; second can wait
863 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
867 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
868 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
870 static char resetOptions[] =
871 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
872 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
873 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
876 FloatToFront(char **list, char *engineLine)
878 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
880 if(appData.recentEngines <= 0) return;
881 TidyProgramName(engineLine, "localhost", tidy+1);
882 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
883 strncpy(buf+1, *list, MSG_SIZ-50);
884 if(p = strstr(buf, tidy)) { // tidy name appears in list
885 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
886 while(*p++ = *++q); // squeeze out
888 strcat(tidy, buf+1); // put list behind tidy name
889 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
890 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
891 ASSIGN(*list, tidy+1);
895 Load (ChessProgramState *cps, int i)
897 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
898 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
899 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
900 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
901 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
902 appData.firstProtocolVersion = PROTOVER;
903 ParseArgsFromString(buf);
905 ReplaceEngine(cps, i);
906 FloatToFront(&appData.recentEngineList, engineLine);
910 while(q = strchr(p, SLASH)) p = q+1;
911 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
912 if(engineDir[0] != NULLCHAR)
913 appData.directory[i] = engineDir;
914 else if(p != engineName) { // derive directory from engine path, when not given
916 appData.directory[i] = strdup(engineName);
918 } else appData.directory[i] = ".";
920 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
921 snprintf(command, MSG_SIZ, "%s %s", p, params);
924 appData.chessProgram[i] = strdup(p);
925 appData.isUCI[i] = isUCI;
926 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
927 appData.hasOwnBookUCI[i] = hasBook;
928 if(!nickName[0]) useNick = FALSE;
929 if(useNick) ASSIGN(appData.pgnName[i], nickName);
933 q = firstChessProgramNames;
934 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
935 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
936 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
937 quote, p, quote, appData.directory[i],
938 useNick ? " -fn \"" : "",
939 useNick ? nickName : "",
941 v1 ? " -firstProtocolVersion 1" : "",
942 hasBook ? "" : " -fNoOwnBookUCI",
943 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
944 storeVariant ? " -variant " : "",
945 storeVariant ? VariantName(gameInfo.variant) : "");
946 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
947 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
949 FloatToFront(&appData.recentEngineList, buf);
951 ReplaceEngine(cps, i);
957 int matched, min, sec;
959 * Parse timeControl resource
961 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
962 appData.movesPerSession)) {
964 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
965 DisplayFatalError(buf, 0, 2);
969 * Parse searchTime resource
971 if (*appData.searchTime != NULLCHAR) {
972 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
974 searchTime = min * 60;
975 } else if (matched == 2) {
976 searchTime = min * 60 + sec;
979 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
980 DisplayFatalError(buf, 0, 2);
989 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
990 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
992 GetTimeMark(&programStartTime);
993 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
994 appData.seedBase = random() + (random()<<15);
995 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
998 programStats.ok_to_send = 1;
999 programStats.seen_stat = 0;
1002 * Initialize game list
1008 * Internet chess server status
1010 if (appData.icsActive) {
1011 appData.matchMode = FALSE;
1012 appData.matchGames = 0;
1014 appData.noChessProgram = !appData.zippyPlay;
1016 appData.zippyPlay = FALSE;
1017 appData.zippyTalk = FALSE;
1018 appData.noChessProgram = TRUE;
1020 if (*appData.icsHelper != NULLCHAR) {
1021 appData.useTelnet = TRUE;
1022 appData.telnetProgram = appData.icsHelper;
1025 appData.zippyTalk = appData.zippyPlay = FALSE;
1028 /* [AS] Initialize pv info list [HGM] and game state */
1032 for( i=0; i<=framePtr; i++ ) {
1033 pvInfoList[i].depth = -1;
1034 boards[i][EP_STATUS] = EP_NONE;
1035 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1041 /* [AS] Adjudication threshold */
1042 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1044 InitEngine(&first, 0);
1045 InitEngine(&second, 1);
1048 pairing.which = "pairing"; // pairing engine
1049 pairing.pr = NoProc;
1051 pairing.program = appData.pairingEngine;
1052 pairing.host = "localhost";
1055 if (appData.icsActive) {
1056 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1057 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1058 appData.clockMode = FALSE;
1059 first.sendTime = second.sendTime = 0;
1063 /* Override some settings from environment variables, for backward
1064 compatibility. Unfortunately it's not feasible to have the env
1065 vars just set defaults, at least in xboard. Ugh.
1067 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1072 if (!appData.icsActive) {
1076 /* Check for variants that are supported only in ICS mode,
1077 or not at all. Some that are accepted here nevertheless
1078 have bugs; see comments below.
1080 VariantClass variant = StringToVariant(appData.variant);
1082 case VariantBughouse: /* need four players and two boards */
1083 case VariantKriegspiel: /* need to hide pieces and move details */
1084 /* case VariantFischeRandom: (Fabien: moved below) */
1085 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1086 if( (len >= MSG_SIZ) && appData.debugMode )
1087 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1089 DisplayFatalError(buf, 0, 2);
1092 case VariantUnknown:
1093 case VariantLoadable:
1103 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1104 if( (len >= MSG_SIZ) && appData.debugMode )
1105 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1107 DisplayFatalError(buf, 0, 2);
1110 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1111 case VariantFairy: /* [HGM] TestLegality definitely off! */
1112 case VariantGothic: /* [HGM] should work */
1113 case VariantCapablanca: /* [HGM] should work */
1114 case VariantCourier: /* [HGM] initial forced moves not implemented */
1115 case VariantShogi: /* [HGM] could still mate with pawn drop */
1116 case VariantKnightmate: /* [HGM] should work */
1117 case VariantCylinder: /* [HGM] untested */
1118 case VariantFalcon: /* [HGM] untested */
1119 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1120 offboard interposition not understood */
1121 case VariantNormal: /* definitely works! */
1122 case VariantWildCastle: /* pieces not automatically shuffled */
1123 case VariantNoCastle: /* pieces not automatically shuffled */
1124 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1125 case VariantLosers: /* should work except for win condition,
1126 and doesn't know captures are mandatory */
1127 case VariantSuicide: /* should work except for win condition,
1128 and doesn't know captures are mandatory */
1129 case VariantGiveaway: /* should work except for win condition,
1130 and doesn't know captures are mandatory */
1131 case VariantTwoKings: /* should work */
1132 case VariantAtomic: /* should work except for win condition */
1133 case Variant3Check: /* should work except for win condition */
1134 case VariantShatranj: /* should work except for all win conditions */
1135 case VariantMakruk: /* should work except for draw countdown */
1136 case VariantBerolina: /* might work if TestLegality is off */
1137 case VariantCapaRandom: /* should work */
1138 case VariantJanus: /* should work */
1139 case VariantSuper: /* experimental */
1140 case VariantGreat: /* experimental, requires legality testing to be off */
1141 case VariantSChess: /* S-Chess, should work */
1142 case VariantGrand: /* should work */
1143 case VariantSpartan: /* should work */
1151 NextIntegerFromString (char ** str, long * value)
1156 while( *s == ' ' || *s == '\t' ) {
1162 if( *s >= '0' && *s <= '9' ) {
1163 while( *s >= '0' && *s <= '9' ) {
1164 *value = *value * 10 + (*s - '0');
1177 NextTimeControlFromString (char ** str, long * value)
1180 int result = NextIntegerFromString( str, &temp );
1183 *value = temp * 60; /* Minutes */
1184 if( **str == ':' ) {
1186 result = NextIntegerFromString( str, &temp );
1187 *value += temp; /* Seconds */
1195 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1196 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1197 int result = -1, type = 0; long temp, temp2;
1199 if(**str != ':') return -1; // old params remain in force!
1201 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1202 if( NextIntegerFromString( str, &temp ) ) return -1;
1203 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1206 /* time only: incremental or sudden-death time control */
1207 if(**str == '+') { /* increment follows; read it */
1209 if(**str == '!') type = *(*str)++; // Bronstein TC
1210 if(result = NextIntegerFromString( str, &temp2)) return -1;
1211 *inc = temp2 * 1000;
1212 if(**str == '.') { // read fraction of increment
1213 char *start = ++(*str);
1214 if(result = NextIntegerFromString( str, &temp2)) return -1;
1216 while(start++ < *str) temp2 /= 10;
1220 *moves = 0; *tc = temp * 1000; *incType = type;
1224 (*str)++; /* classical time control */
1225 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1237 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1238 { /* [HGM] get time to add from the multi-session time-control string */
1239 int incType, moves=1; /* kludge to force reading of first session */
1240 long time, increment;
1243 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1244 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1246 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1247 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1248 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1249 if(movenr == -1) return time; /* last move before new session */
1250 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1251 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1252 if(!moves) return increment; /* current session is incremental */
1253 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1254 } while(movenr >= -1); /* try again for next session */
1256 return 0; // no new time quota on this move
1260 ParseTimeControl (char *tc, float ti, int mps)
1264 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1267 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1268 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1269 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1273 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1275 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1278 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1280 snprintf(buf, MSG_SIZ, ":%s", mytc);
1282 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1284 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1289 /* Parse second time control */
1292 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1300 timeControl_2 = tc2 * 1000;
1310 timeControl = tc1 * 1000;
1313 timeIncrement = ti * 1000; /* convert to ms */
1314 movesPerSession = 0;
1317 movesPerSession = mps;
1325 if (appData.debugMode) {
1326 fprintf(debugFP, "%s\n", programVersion);
1329 set_cont_sequence(appData.wrapContSeq);
1330 if (appData.matchGames > 0) {
1331 appData.matchMode = TRUE;
1332 } else if (appData.matchMode) {
1333 appData.matchGames = 1;
1335 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1336 appData.matchGames = appData.sameColorGames;
1337 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1338 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1339 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1342 if (appData.noChessProgram || first.protocolVersion == 1) {
1345 /* kludge: allow timeout for initial "feature" commands */
1347 DisplayMessage("", _("Starting chess program"));
1348 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1353 CalculateIndex (int index, int gameNr)
1354 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1356 if(index > 0) return index; // fixed nmber
1357 if(index == 0) return 1;
1358 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1359 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1364 LoadGameOrPosition (int gameNr)
1365 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1366 if (*appData.loadGameFile != NULLCHAR) {
1367 if (!LoadGameFromFile(appData.loadGameFile,
1368 CalculateIndex(appData.loadGameIndex, gameNr),
1369 appData.loadGameFile, FALSE)) {
1370 DisplayFatalError(_("Bad game file"), 0, 1);
1373 } else if (*appData.loadPositionFile != NULLCHAR) {
1374 if (!LoadPositionFromFile(appData.loadPositionFile,
1375 CalculateIndex(appData.loadPositionIndex, gameNr),
1376 appData.loadPositionFile)) {
1377 DisplayFatalError(_("Bad position file"), 0, 1);
1385 ReserveGame (int gameNr, char resChar)
1387 FILE *tf = fopen(appData.tourneyFile, "r+");
1388 char *p, *q, c, buf[MSG_SIZ];
1389 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1390 safeStrCpy(buf, lastMsg, MSG_SIZ);
1391 DisplayMessage(_("Pick new game"), "");
1392 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1393 ParseArgsFromFile(tf);
1394 p = q = appData.results;
1395 if(appData.debugMode) {
1396 char *r = appData.participants;
1397 fprintf(debugFP, "results = '%s'\n", p);
1398 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1399 fprintf(debugFP, "\n");
1401 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1403 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1404 safeStrCpy(q, p, strlen(p) + 2);
1405 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1406 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1407 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1408 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1411 fseek(tf, -(strlen(p)+4), SEEK_END);
1413 if(c != '"') // depending on DOS or Unix line endings we can be one off
1414 fseek(tf, -(strlen(p)+2), SEEK_END);
1415 else fseek(tf, -(strlen(p)+3), SEEK_END);
1416 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1417 DisplayMessage(buf, "");
1418 free(p); appData.results = q;
1419 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1420 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1421 int round = appData.defaultMatchGames * appData.tourneyType;
1422 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1423 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1424 UnloadEngine(&first); // next game belongs to other pairing;
1425 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1427 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d, procs=(%x,%x)\n", nextGame, gameNr, first.pr, second.pr);
1431 MatchEvent (int mode)
1432 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1434 if(matchMode) { // already in match mode: switch it off
1436 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1439 // if(gameMode != BeginningOfGame) {
1440 // DisplayError(_("You can only start a match from the initial position."), 0);
1444 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1445 /* Set up machine vs. machine match */
1447 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1448 if(appData.tourneyFile[0]) {
1450 if(nextGame > appData.matchGames) {
1452 if(strchr(appData.results, '*') == NULL) {
1454 appData.tourneyCycles++;
1455 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1457 NextTourneyGame(-1, &dummy);
1459 if(nextGame <= appData.matchGames) {
1460 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1462 ScheduleDelayedEvent(NextMatchGame, 10000);
1467 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1468 DisplayError(buf, 0);
1469 appData.tourneyFile[0] = 0;
1473 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1474 DisplayFatalError(_("Can't have a match with no chess programs"),
1479 matchGame = roundNr = 1;
1480 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1485 InitBackEnd3 P((void))
1487 GameMode initialMode;
1491 InitChessProgram(&first, startedFromSetupPosition);
1493 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1494 free(programVersion);
1495 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1496 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1497 FloatToFront(&appData.recentEngineList, appData.firstChessProgram);
1500 if (appData.icsActive) {
1502 /* [DM] Make a console window if needed [HGM] merged ifs */
1508 if (*appData.icsCommPort != NULLCHAR)
1509 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1510 appData.icsCommPort);
1512 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1513 appData.icsHost, appData.icsPort);
1515 if( (len >= MSG_SIZ) && appData.debugMode )
1516 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1518 DisplayFatalError(buf, err, 1);
1523 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1525 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1526 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1527 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1528 } else if (appData.noChessProgram) {
1534 if (*appData.cmailGameName != NULLCHAR) {
1536 OpenLoopback(&cmailPR);
1538 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1542 DisplayMessage("", "");
1543 if (StrCaseCmp(appData.initialMode, "") == 0) {
1544 initialMode = BeginningOfGame;
1545 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1546 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1547 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1548 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1551 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1552 initialMode = TwoMachinesPlay;
1553 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1554 initialMode = AnalyzeFile;
1555 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1556 initialMode = AnalyzeMode;
1557 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1558 initialMode = MachinePlaysWhite;
1559 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1560 initialMode = MachinePlaysBlack;
1561 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1562 initialMode = EditGame;
1563 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1564 initialMode = EditPosition;
1565 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1566 initialMode = Training;
1568 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1569 if( (len >= MSG_SIZ) && appData.debugMode )
1570 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1572 DisplayFatalError(buf, 0, 2);
1576 if (appData.matchMode) {
1577 if(appData.tourneyFile[0]) { // start tourney from command line
1579 if(f = fopen(appData.tourneyFile, "r")) {
1580 ParseArgsFromFile(f); // make sure tourney parmeters re known
1582 appData.clockMode = TRUE;
1584 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1587 } else if (*appData.cmailGameName != NULLCHAR) {
1588 /* Set up cmail mode */
1589 ReloadCmailMsgEvent(TRUE);
1591 /* Set up other modes */
1592 if (initialMode == AnalyzeFile) {
1593 if (*appData.loadGameFile == NULLCHAR) {
1594 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1598 if (*appData.loadGameFile != NULLCHAR) {
1599 (void) LoadGameFromFile(appData.loadGameFile,
1600 appData.loadGameIndex,
1601 appData.loadGameFile, TRUE);
1602 } else if (*appData.loadPositionFile != NULLCHAR) {
1603 (void) LoadPositionFromFile(appData.loadPositionFile,
1604 appData.loadPositionIndex,
1605 appData.loadPositionFile);
1606 /* [HGM] try to make self-starting even after FEN load */
1607 /* to allow automatic setup of fairy variants with wtm */
1608 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1609 gameMode = BeginningOfGame;
1610 setboardSpoiledMachineBlack = 1;
1612 /* [HGM] loadPos: make that every new game uses the setup */
1613 /* from file as long as we do not switch variant */
1614 if(!blackPlaysFirst) {
1615 startedFromPositionFile = TRUE;
1616 CopyBoard(filePosition, boards[0]);
1619 if (initialMode == AnalyzeMode) {
1620 if (appData.noChessProgram) {
1621 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1624 if (appData.icsActive) {
1625 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1629 } else if (initialMode == AnalyzeFile) {
1630 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1631 ShowThinkingEvent();
1633 AnalysisPeriodicEvent(1);
1634 } else if (initialMode == MachinePlaysWhite) {
1635 if (appData.noChessProgram) {
1636 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1640 if (appData.icsActive) {
1641 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1645 MachineWhiteEvent();
1646 } else if (initialMode == MachinePlaysBlack) {
1647 if (appData.noChessProgram) {
1648 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1652 if (appData.icsActive) {
1653 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1657 MachineBlackEvent();
1658 } else if (initialMode == TwoMachinesPlay) {
1659 if (appData.noChessProgram) {
1660 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1664 if (appData.icsActive) {
1665 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1670 } else if (initialMode == EditGame) {
1672 } else if (initialMode == EditPosition) {
1673 EditPositionEvent();
1674 } else if (initialMode == Training) {
1675 if (*appData.loadGameFile == NULLCHAR) {
1676 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1685 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1687 DisplayBook(current+1);
1689 MoveHistorySet( movelist, first, last, current, pvInfoList );
1691 EvalGraphSet( first, last, current, pvInfoList );
1693 MakeEngineOutputTitle();
1697 * Establish will establish a contact to a remote host.port.
1698 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1699 * used to talk to the host.
1700 * Returns 0 if okay, error code if not.
1707 if (*appData.icsCommPort != NULLCHAR) {
1708 /* Talk to the host through a serial comm port */
1709 return OpenCommPort(appData.icsCommPort, &icsPR);
1711 } else if (*appData.gateway != NULLCHAR) {
1712 if (*appData.remoteShell == NULLCHAR) {
1713 /* Use the rcmd protocol to run telnet program on a gateway host */
1714 snprintf(buf, sizeof(buf), "%s %s %s",
1715 appData.telnetProgram, appData.icsHost, appData.icsPort);
1716 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1719 /* Use the rsh program to run telnet program on a gateway host */
1720 if (*appData.remoteUser == NULLCHAR) {
1721 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1722 appData.gateway, appData.telnetProgram,
1723 appData.icsHost, appData.icsPort);
1725 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1726 appData.remoteShell, appData.gateway,
1727 appData.remoteUser, appData.telnetProgram,
1728 appData.icsHost, appData.icsPort);
1730 return StartChildProcess(buf, "", &icsPR);
1733 } else if (appData.useTelnet) {
1734 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1737 /* TCP socket interface differs somewhat between
1738 Unix and NT; handle details in the front end.
1740 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1745 EscapeExpand (char *p, char *q)
1746 { // [HGM] initstring: routine to shape up string arguments
1747 while(*p++ = *q++) if(p[-1] == '\\')
1749 case 'n': p[-1] = '\n'; break;
1750 case 'r': p[-1] = '\r'; break;
1751 case 't': p[-1] = '\t'; break;
1752 case '\\': p[-1] = '\\'; break;
1753 case 0: *p = 0; return;
1754 default: p[-1] = q[-1]; break;
1759 show_bytes (FILE *fp, char *buf, int count)
1762 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1763 fprintf(fp, "\\%03o", *buf & 0xff);
1772 /* Returns an errno value */
1774 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1776 char buf[8192], *p, *q, *buflim;
1777 int left, newcount, outcount;
1779 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1780 *appData.gateway != NULLCHAR) {
1781 if (appData.debugMode) {
1782 fprintf(debugFP, ">ICS: ");
1783 show_bytes(debugFP, message, count);
1784 fprintf(debugFP, "\n");
1786 return OutputToProcess(pr, message, count, outError);
1789 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1796 if (appData.debugMode) {
1797 fprintf(debugFP, ">ICS: ");
1798 show_bytes(debugFP, buf, newcount);
1799 fprintf(debugFP, "\n");
1801 outcount = OutputToProcess(pr, buf, newcount, outError);
1802 if (outcount < newcount) return -1; /* to be sure */
1809 } else if (((unsigned char) *p) == TN_IAC) {
1810 *q++ = (char) TN_IAC;
1817 if (appData.debugMode) {
1818 fprintf(debugFP, ">ICS: ");
1819 show_bytes(debugFP, buf, newcount);
1820 fprintf(debugFP, "\n");
1822 outcount = OutputToProcess(pr, buf, newcount, outError);
1823 if (outcount < newcount) return -1; /* to be sure */
1828 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1830 int outError, outCount;
1831 static int gotEof = 0;
1833 /* Pass data read from player on to ICS */
1836 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1837 if (outCount < count) {
1838 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1840 } else if (count < 0) {
1841 RemoveInputSource(isr);
1842 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1843 } else if (gotEof++ > 0) {
1844 RemoveInputSource(isr);
1845 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1851 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1852 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1853 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1854 SendToICS("date\n");
1855 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1858 /* added routine for printf style output to ics */
1860 ics_printf (char *format, ...)
1862 char buffer[MSG_SIZ];
1865 va_start(args, format);
1866 vsnprintf(buffer, sizeof(buffer), format, args);
1867 buffer[sizeof(buffer)-1] = '\0';
1875 int count, outCount, outError;
1877 if (icsPR == NoProc) return;
1880 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1881 if (outCount < count) {
1882 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1886 /* This is used for sending logon scripts to the ICS. Sending
1887 without a delay causes problems when using timestamp on ICC
1888 (at least on my machine). */
1890 SendToICSDelayed (char *s, long msdelay)
1892 int count, outCount, outError;
1894 if (icsPR == NoProc) return;
1897 if (appData.debugMode) {
1898 fprintf(debugFP, ">ICS: ");
1899 show_bytes(debugFP, s, count);
1900 fprintf(debugFP, "\n");
1902 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1904 if (outCount < count) {
1905 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1910 /* Remove all highlighting escape sequences in s
1911 Also deletes any suffix starting with '('
1914 StripHighlightAndTitle (char *s)
1916 static char retbuf[MSG_SIZ];
1919 while (*s != NULLCHAR) {
1920 while (*s == '\033') {
1921 while (*s != NULLCHAR && !isalpha(*s)) s++;
1922 if (*s != NULLCHAR) s++;
1924 while (*s != NULLCHAR && *s != '\033') {
1925 if (*s == '(' || *s == '[') {
1936 /* Remove all highlighting escape sequences in s */
1938 StripHighlight (char *s)
1940 static char retbuf[MSG_SIZ];
1943 while (*s != NULLCHAR) {
1944 while (*s == '\033') {
1945 while (*s != NULLCHAR && !isalpha(*s)) s++;
1946 if (*s != NULLCHAR) s++;
1948 while (*s != NULLCHAR && *s != '\033') {
1956 char *variantNames[] = VARIANT_NAMES;
1958 VariantName (VariantClass v)
1960 return variantNames[v];
1964 /* Identify a variant from the strings the chess servers use or the
1965 PGN Variant tag names we use. */
1967 StringToVariant (char *e)
1971 VariantClass v = VariantNormal;
1972 int i, found = FALSE;
1978 /* [HGM] skip over optional board-size prefixes */
1979 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1980 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1981 while( *e++ != '_');
1984 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1988 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1989 if (StrCaseStr(e, variantNames[i])) {
1990 v = (VariantClass) i;
1997 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1998 || StrCaseStr(e, "wild/fr")
1999 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2000 v = VariantFischeRandom;
2001 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2002 (i = 1, p = StrCaseStr(e, "w"))) {
2004 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2011 case 0: /* FICS only, actually */
2013 /* Castling legal even if K starts on d-file */
2014 v = VariantWildCastle;
2019 /* Castling illegal even if K & R happen to start in
2020 normal positions. */
2021 v = VariantNoCastle;
2034 /* Castling legal iff K & R start in normal positions */
2040 /* Special wilds for position setup; unclear what to do here */
2041 v = VariantLoadable;
2044 /* Bizarre ICC game */
2045 v = VariantTwoKings;
2048 v = VariantKriegspiel;
2054 v = VariantFischeRandom;
2057 v = VariantCrazyhouse;
2060 v = VariantBughouse;
2066 /* Not quite the same as FICS suicide! */
2067 v = VariantGiveaway;
2073 v = VariantShatranj;
2076 /* Temporary names for future ICC types. The name *will* change in
2077 the next xboard/WinBoard release after ICC defines it. */
2115 v = VariantCapablanca;
2118 v = VariantKnightmate;
2124 v = VariantCylinder;
2130 v = VariantCapaRandom;
2133 v = VariantBerolina;
2145 /* Found "wild" or "w" in the string but no number;
2146 must assume it's normal chess. */
2150 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2151 if( (len >= MSG_SIZ) && appData.debugMode )
2152 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2154 DisplayError(buf, 0);
2160 if (appData.debugMode) {
2161 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2162 e, wnum, VariantName(v));
2167 static int leftover_start = 0, leftover_len = 0;
2168 char star_match[STAR_MATCH_N][MSG_SIZ];
2170 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2171 advance *index beyond it, and set leftover_start to the new value of
2172 *index; else return FALSE. If pattern contains the character '*', it
2173 matches any sequence of characters not containing '\r', '\n', or the
2174 character following the '*' (if any), and the matched sequence(s) are
2175 copied into star_match.
2178 looking_at ( char *buf, int *index, char *pattern)
2180 char *bufp = &buf[*index], *patternp = pattern;
2182 char *matchp = star_match[0];
2185 if (*patternp == NULLCHAR) {
2186 *index = leftover_start = bufp - buf;
2190 if (*bufp == NULLCHAR) return FALSE;
2191 if (*patternp == '*') {
2192 if (*bufp == *(patternp + 1)) {
2194 matchp = star_match[++star_count];
2198 } else if (*bufp == '\n' || *bufp == '\r') {
2200 if (*patternp == NULLCHAR)
2205 *matchp++ = *bufp++;
2209 if (*patternp != *bufp) return FALSE;
2216 SendToPlayer (char *data, int length)
2218 int error, outCount;
2219 outCount = OutputToProcess(NoProc, data, length, &error);
2220 if (outCount < length) {
2221 DisplayFatalError(_("Error writing to display"), error, 1);
2226 PackHolding (char packed[], char *holding)
2236 switch (runlength) {
2247 sprintf(q, "%d", runlength);
2259 /* Telnet protocol requests from the front end */
2261 TelnetRequest (unsigned char ddww, unsigned char option)
2263 unsigned char msg[3];
2264 int outCount, outError;
2266 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2268 if (appData.debugMode) {
2269 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2285 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2294 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2297 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2302 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2304 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2311 if (!appData.icsActive) return;
2312 TelnetRequest(TN_DO, TN_ECHO);
2318 if (!appData.icsActive) return;
2319 TelnetRequest(TN_DONT, TN_ECHO);
2323 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2325 /* put the holdings sent to us by the server on the board holdings area */
2326 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2330 if(gameInfo.holdingsWidth < 2) return;
2331 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2332 return; // prevent overwriting by pre-board holdings
2334 if( (int)lowestPiece >= BlackPawn ) {
2337 holdingsStartRow = BOARD_HEIGHT-1;
2340 holdingsColumn = BOARD_WIDTH-1;
2341 countsColumn = BOARD_WIDTH-2;
2342 holdingsStartRow = 0;
2346 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2347 board[i][holdingsColumn] = EmptySquare;
2348 board[i][countsColumn] = (ChessSquare) 0;
2350 while( (p=*holdings++) != NULLCHAR ) {
2351 piece = CharToPiece( ToUpper(p) );
2352 if(piece == EmptySquare) continue;
2353 /*j = (int) piece - (int) WhitePawn;*/
2354 j = PieceToNumber(piece);
2355 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2356 if(j < 0) continue; /* should not happen */
2357 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2358 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2359 board[holdingsStartRow+j*direction][countsColumn]++;
2365 VariantSwitch (Board board, VariantClass newVariant)
2367 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2368 static Board oldBoard;
2370 startedFromPositionFile = FALSE;
2371 if(gameInfo.variant == newVariant) return;
2373 /* [HGM] This routine is called each time an assignment is made to
2374 * gameInfo.variant during a game, to make sure the board sizes
2375 * are set to match the new variant. If that means adding or deleting
2376 * holdings, we shift the playing board accordingly
2377 * This kludge is needed because in ICS observe mode, we get boards
2378 * of an ongoing game without knowing the variant, and learn about the
2379 * latter only later. This can be because of the move list we requested,
2380 * in which case the game history is refilled from the beginning anyway,
2381 * but also when receiving holdings of a crazyhouse game. In the latter
2382 * case we want to add those holdings to the already received position.
2386 if (appData.debugMode) {
2387 fprintf(debugFP, "Switch board from %s to %s\n",
2388 VariantName(gameInfo.variant), VariantName(newVariant));
2389 setbuf(debugFP, NULL);
2391 shuffleOpenings = 0; /* [HGM] shuffle */
2392 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2396 newWidth = 9; newHeight = 9;
2397 gameInfo.holdingsSize = 7;
2398 case VariantBughouse:
2399 case VariantCrazyhouse:
2400 newHoldingsWidth = 2; break;
2404 newHoldingsWidth = 2;
2405 gameInfo.holdingsSize = 8;
2408 case VariantCapablanca:
2409 case VariantCapaRandom:
2412 newHoldingsWidth = gameInfo.holdingsSize = 0;
2415 if(newWidth != gameInfo.boardWidth ||
2416 newHeight != gameInfo.boardHeight ||
2417 newHoldingsWidth != gameInfo.holdingsWidth ) {
2419 /* shift position to new playing area, if needed */
2420 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2421 for(i=0; i<BOARD_HEIGHT; i++)
2422 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2423 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2425 for(i=0; i<newHeight; i++) {
2426 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2427 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2429 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2430 for(i=0; i<BOARD_HEIGHT; i++)
2431 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2432 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2435 gameInfo.boardWidth = newWidth;
2436 gameInfo.boardHeight = newHeight;
2437 gameInfo.holdingsWidth = newHoldingsWidth;
2438 gameInfo.variant = newVariant;
2439 InitDrawingSizes(-2, 0);
2440 } else gameInfo.variant = newVariant;
2441 CopyBoard(oldBoard, board); // remember correctly formatted board
2442 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2443 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2446 static int loggedOn = FALSE;
2448 /*-- Game start info cache: --*/
2450 char gs_kind[MSG_SIZ];
2451 static char player1Name[128] = "";
2452 static char player2Name[128] = "";
2453 static char cont_seq[] = "\n\\ ";
2454 static int player1Rating = -1;
2455 static int player2Rating = -1;
2456 /*----------------------------*/
2458 ColorClass curColor = ColorNormal;
2459 int suppressKibitz = 0;
2462 Boolean soughtPending = FALSE;
2463 Boolean seekGraphUp;
2464 #define MAX_SEEK_ADS 200
2466 char *seekAdList[MAX_SEEK_ADS];
2467 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2468 float tcList[MAX_SEEK_ADS];
2469 char colorList[MAX_SEEK_ADS];
2470 int nrOfSeekAds = 0;
2471 int minRating = 1010, maxRating = 2800;
2472 int hMargin = 10, vMargin = 20, h, w;
2473 extern int squareSize, lineGap;
2478 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2479 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2480 if(r < minRating+100 && r >=0 ) r = minRating+100;
2481 if(r > maxRating) r = maxRating;
2482 if(tc < 1.) tc = 1.;
2483 if(tc > 95.) tc = 95.;
2484 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2485 y = ((double)r - minRating)/(maxRating - minRating)
2486 * (h-vMargin-squareSize/8-1) + vMargin;
2487 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2488 if(strstr(seekAdList[i], " u ")) color = 1;
2489 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2490 !strstr(seekAdList[i], "bullet") &&
2491 !strstr(seekAdList[i], "blitz") &&
2492 !strstr(seekAdList[i], "standard") ) color = 2;
2493 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2494 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2498 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2500 char buf[MSG_SIZ], *ext = "";
2501 VariantClass v = StringToVariant(type);
2502 if(strstr(type, "wild")) {
2503 ext = type + 4; // append wild number
2504 if(v == VariantFischeRandom) type = "chess960"; else
2505 if(v == VariantLoadable) type = "setup"; else
2506 type = VariantName(v);
2508 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2509 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2510 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2511 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2512 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2513 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2514 seekNrList[nrOfSeekAds] = nr;
2515 zList[nrOfSeekAds] = 0;
2516 seekAdList[nrOfSeekAds++] = StrSave(buf);
2517 if(plot) PlotSeekAd(nrOfSeekAds-1);
2522 EraseSeekDot (int i)
2524 int x = xList[i], y = yList[i], d=squareSize/4, k;
2525 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2526 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2527 // now replot every dot that overlapped
2528 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2529 int xx = xList[k], yy = yList[k];
2530 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2531 DrawSeekDot(xx, yy, colorList[k]);
2536 RemoveSeekAd (int nr)
2539 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2541 if(seekAdList[i]) free(seekAdList[i]);
2542 seekAdList[i] = seekAdList[--nrOfSeekAds];
2543 seekNrList[i] = seekNrList[nrOfSeekAds];
2544 ratingList[i] = ratingList[nrOfSeekAds];
2545 colorList[i] = colorList[nrOfSeekAds];
2546 tcList[i] = tcList[nrOfSeekAds];
2547 xList[i] = xList[nrOfSeekAds];
2548 yList[i] = yList[nrOfSeekAds];
2549 zList[i] = zList[nrOfSeekAds];
2550 seekAdList[nrOfSeekAds] = NULL;
2556 MatchSoughtLine (char *line)
2558 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2559 int nr, base, inc, u=0; char dummy;
2561 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2562 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2564 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2565 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2566 // match: compact and save the line
2567 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2577 if(!seekGraphUp) return FALSE;
2578 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2579 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2581 DrawSeekBackground(0, 0, w, h);
2582 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2583 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2584 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2585 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2587 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2590 snprintf(buf, MSG_SIZ, "%d", i);
2591 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2594 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2595 for(i=1; i<100; i+=(i<10?1:5)) {
2596 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2597 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2598 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2600 snprintf(buf, MSG_SIZ, "%d", i);
2601 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2604 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2609 SeekGraphClick (ClickType click, int x, int y, int moving)
2611 static int lastDown = 0, displayed = 0, lastSecond;
2612 if(y < 0) return FALSE;
2613 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2614 if(click == Release || moving) return FALSE;
2616 soughtPending = TRUE;
2617 SendToICS(ics_prefix);
2618 SendToICS("sought\n"); // should this be "sought all"?
2619 } else { // issue challenge based on clicked ad
2620 int dist = 10000; int i, closest = 0, second = 0;
2621 for(i=0; i<nrOfSeekAds; i++) {
2622 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2623 if(d < dist) { dist = d; closest = i; }
2624 second += (d - zList[i] < 120); // count in-range ads
2625 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2629 second = (second > 1);
2630 if(displayed != closest || second != lastSecond) {
2631 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2632 lastSecond = second; displayed = closest;
2634 if(click == Press) {
2635 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2638 } // on press 'hit', only show info
2639 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2640 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2641 SendToICS(ics_prefix);
2643 return TRUE; // let incoming board of started game pop down the graph
2644 } else if(click == Release) { // release 'miss' is ignored
2645 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2646 if(moving == 2) { // right up-click
2647 nrOfSeekAds = 0; // refresh graph
2648 soughtPending = TRUE;
2649 SendToICS(ics_prefix);
2650 SendToICS("sought\n"); // should this be "sought all"?
2653 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2654 // press miss or release hit 'pop down' seek graph
2655 seekGraphUp = FALSE;
2656 DrawPosition(TRUE, NULL);
2662 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2664 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2665 #define STARTED_NONE 0
2666 #define STARTED_MOVES 1
2667 #define STARTED_BOARD 2
2668 #define STARTED_OBSERVE 3
2669 #define STARTED_HOLDINGS 4
2670 #define STARTED_CHATTER 5
2671 #define STARTED_COMMENT 6
2672 #define STARTED_MOVES_NOHIDE 7
2674 static int started = STARTED_NONE;
2675 static char parse[20000];
2676 static int parse_pos = 0;
2677 static char buf[BUF_SIZE + 1];
2678 static int firstTime = TRUE, intfSet = FALSE;
2679 static ColorClass prevColor = ColorNormal;
2680 static int savingComment = FALSE;
2681 static int cmatch = 0; // continuation sequence match
2688 int backup; /* [DM] For zippy color lines */
2690 char talker[MSG_SIZ]; // [HGM] chat
2693 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2695 if (appData.debugMode) {
2697 fprintf(debugFP, "<ICS: ");
2698 show_bytes(debugFP, data, count);
2699 fprintf(debugFP, "\n");
2703 if (appData.debugMode) { int f = forwardMostMove;
2704 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2705 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2706 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2709 /* If last read ended with a partial line that we couldn't parse,
2710 prepend it to the new read and try again. */
2711 if (leftover_len > 0) {
2712 for (i=0; i<leftover_len; i++)
2713 buf[i] = buf[leftover_start + i];
2716 /* copy new characters into the buffer */
2717 bp = buf + leftover_len;
2718 buf_len=leftover_len;
2719 for (i=0; i<count; i++)
2722 if (data[i] == '\r')
2725 // join lines split by ICS?
2726 if (!appData.noJoin)
2729 Joining just consists of finding matches against the
2730 continuation sequence, and discarding that sequence
2731 if found instead of copying it. So, until a match
2732 fails, there's nothing to do since it might be the
2733 complete sequence, and thus, something we don't want
2736 if (data[i] == cont_seq[cmatch])
2739 if (cmatch == strlen(cont_seq))
2741 cmatch = 0; // complete match. just reset the counter
2744 it's possible for the ICS to not include the space
2745 at the end of the last word, making our [correct]
2746 join operation fuse two separate words. the server
2747 does this when the space occurs at the width setting.
2749 if (!buf_len || buf[buf_len-1] != ' ')
2760 match failed, so we have to copy what matched before
2761 falling through and copying this character. In reality,
2762 this will only ever be just the newline character, but
2763 it doesn't hurt to be precise.
2765 strncpy(bp, cont_seq, cmatch);
2777 buf[buf_len] = NULLCHAR;
2778 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2783 while (i < buf_len) {
2784 /* Deal with part of the TELNET option negotiation
2785 protocol. We refuse to do anything beyond the
2786 defaults, except that we allow the WILL ECHO option,
2787 which ICS uses to turn off password echoing when we are
2788 directly connected to it. We reject this option
2789 if localLineEditing mode is on (always on in xboard)
2790 and we are talking to port 23, which might be a real
2791 telnet server that will try to keep WILL ECHO on permanently.
2793 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2794 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2795 unsigned char option;
2797 switch ((unsigned char) buf[++i]) {
2799 if (appData.debugMode)
2800 fprintf(debugFP, "\n<WILL ");
2801 switch (option = (unsigned char) buf[++i]) {
2803 if (appData.debugMode)
2804 fprintf(debugFP, "ECHO ");
2805 /* Reply only if this is a change, according
2806 to the protocol rules. */
2807 if (remoteEchoOption) break;
2808 if (appData.localLineEditing &&
2809 atoi(appData.icsPort) == TN_PORT) {
2810 TelnetRequest(TN_DONT, TN_ECHO);
2813 TelnetRequest(TN_DO, TN_ECHO);
2814 remoteEchoOption = TRUE;
2818 if (appData.debugMode)
2819 fprintf(debugFP, "%d ", option);
2820 /* Whatever this is, we don't want it. */
2821 TelnetRequest(TN_DONT, option);
2826 if (appData.debugMode)
2827 fprintf(debugFP, "\n<WONT ");
2828 switch (option = (unsigned char) buf[++i]) {
2830 if (appData.debugMode)
2831 fprintf(debugFP, "ECHO ");
2832 /* Reply only if this is a change, according
2833 to the protocol rules. */
2834 if (!remoteEchoOption) break;
2836 TelnetRequest(TN_DONT, TN_ECHO);
2837 remoteEchoOption = FALSE;
2840 if (appData.debugMode)
2841 fprintf(debugFP, "%d ", (unsigned char) option);
2842 /* Whatever this is, it must already be turned
2843 off, because we never agree to turn on
2844 anything non-default, so according to the
2845 protocol rules, we don't reply. */
2850 if (appData.debugMode)
2851 fprintf(debugFP, "\n<DO ");
2852 switch (option = (unsigned char) buf[++i]) {
2854 /* Whatever this is, we refuse to do it. */
2855 if (appData.debugMode)
2856 fprintf(debugFP, "%d ", option);
2857 TelnetRequest(TN_WONT, option);
2862 if (appData.debugMode)
2863 fprintf(debugFP, "\n<DONT ");
2864 switch (option = (unsigned char) buf[++i]) {
2866 if (appData.debugMode)
2867 fprintf(debugFP, "%d ", option);
2868 /* Whatever this is, we are already not doing
2869 it, because we never agree to do anything
2870 non-default, so according to the protocol
2871 rules, we don't reply. */
2876 if (appData.debugMode)
2877 fprintf(debugFP, "\n<IAC ");
2878 /* Doubled IAC; pass it through */
2882 if (appData.debugMode)
2883 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2884 /* Drop all other telnet commands on the floor */
2887 if (oldi > next_out)
2888 SendToPlayer(&buf[next_out], oldi - next_out);
2894 /* OK, this at least will *usually* work */
2895 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2899 if (loggedOn && !intfSet) {
2900 if (ics_type == ICS_ICC) {
2901 snprintf(str, MSG_SIZ,
2902 "/set-quietly interface %s\n/set-quietly style 12\n",
2904 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2905 strcat(str, "/set-2 51 1\n/set seek 1\n");
2906 } else if (ics_type == ICS_CHESSNET) {
2907 snprintf(str, MSG_SIZ, "/style 12\n");
2909 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2910 strcat(str, programVersion);
2911 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2912 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2913 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2915 strcat(str, "$iset nohighlight 1\n");
2917 strcat(str, "$iset lock 1\n$style 12\n");
2920 NotifyFrontendLogin();
2924 if (started == STARTED_COMMENT) {
2925 /* Accumulate characters in comment */
2926 parse[parse_pos++] = buf[i];
2927 if (buf[i] == '\n') {
2928 parse[parse_pos] = NULLCHAR;
2929 if(chattingPartner>=0) {
2931 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2932 OutputChatMessage(chattingPartner, mess);
2933 chattingPartner = -1;
2934 next_out = i+1; // [HGM] suppress printing in ICS window
2936 if(!suppressKibitz) // [HGM] kibitz
2937 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2938 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2939 int nrDigit = 0, nrAlph = 0, j;
2940 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2941 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2942 parse[parse_pos] = NULLCHAR;
2943 // try to be smart: if it does not look like search info, it should go to
2944 // ICS interaction window after all, not to engine-output window.
2945 for(j=0; j<parse_pos; j++) { // count letters and digits
2946 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2947 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2948 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2950 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2951 int depth=0; float score;
2952 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2953 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2954 pvInfoList[forwardMostMove-1].depth = depth;
2955 pvInfoList[forwardMostMove-1].score = 100*score;
2957 OutputKibitz(suppressKibitz, parse);
2960 if(gameMode == IcsObserving) // restore original ICS messages
2961 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2963 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2964 SendToPlayer(tmp, strlen(tmp));
2966 next_out = i+1; // [HGM] suppress printing in ICS window
2968 started = STARTED_NONE;
2970 /* Don't match patterns against characters in comment */
2975 if (started == STARTED_CHATTER) {
2976 if (buf[i] != '\n') {
2977 /* Don't match patterns against characters in chatter */
2981 started = STARTED_NONE;
2982 if(suppressKibitz) next_out = i+1;
2985 /* Kludge to deal with rcmd protocol */
2986 if (firstTime && looking_at(buf, &i, "\001*")) {
2987 DisplayFatalError(&buf[1], 0, 1);
2993 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2996 if (appData.debugMode)
2997 fprintf(debugFP, "ics_type %d\n", ics_type);
3000 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3001 ics_type = ICS_FICS;
3003 if (appData.debugMode)
3004 fprintf(debugFP, "ics_type %d\n", ics_type);
3007 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3008 ics_type = ICS_CHESSNET;
3010 if (appData.debugMode)
3011 fprintf(debugFP, "ics_type %d\n", ics_type);
3016 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3017 looking_at(buf, &i, "Logging you in as \"*\"") ||
3018 looking_at(buf, &i, "will be \"*\""))) {
3019 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3023 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3025 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3026 DisplayIcsInteractionTitle(buf);
3027 have_set_title = TRUE;
3030 /* skip finger notes */
3031 if (started == STARTED_NONE &&
3032 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3033 (buf[i] == '1' && buf[i+1] == '0')) &&
3034 buf[i+2] == ':' && buf[i+3] == ' ') {
3035 started = STARTED_CHATTER;
3041 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3042 if(appData.seekGraph) {
3043 if(soughtPending && MatchSoughtLine(buf+i)) {
3044 i = strstr(buf+i, "rated") - buf;
3045 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3046 next_out = leftover_start = i;
3047 started = STARTED_CHATTER;
3048 suppressKibitz = TRUE;
3051 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3052 && looking_at(buf, &i, "* ads displayed")) {
3053 soughtPending = FALSE;
3058 if(appData.autoRefresh) {
3059 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3060 int s = (ics_type == ICS_ICC); // ICC format differs
3062 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3063 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3064 looking_at(buf, &i, "*% "); // eat prompt
3065 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3066 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3067 next_out = i; // suppress
3070 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3071 char *p = star_match[0];
3073 if(seekGraphUp) RemoveSeekAd(atoi(p));
3074 while(*p && *p++ != ' '); // next
3076 looking_at(buf, &i, "*% "); // eat prompt
3077 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3084 /* skip formula vars */
3085 if (started == STARTED_NONE &&
3086 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3087 started = STARTED_CHATTER;
3092 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3093 if (appData.autoKibitz && started == STARTED_NONE &&
3094 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3095 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3096 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3097 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3098 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3099 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3100 suppressKibitz = TRUE;
3101 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3103 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3104 && (gameMode == IcsPlayingWhite)) ||
3105 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3106 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3107 started = STARTED_CHATTER; // own kibitz we simply discard
3109 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3110 parse_pos = 0; parse[0] = NULLCHAR;
3111 savingComment = TRUE;
3112 suppressKibitz = gameMode != IcsObserving ? 2 :
3113 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3117 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3118 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3119 && atoi(star_match[0])) {
3120 // suppress the acknowledgements of our own autoKibitz
3122 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3123 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3124 SendToPlayer(star_match[0], strlen(star_match[0]));
3125 if(looking_at(buf, &i, "*% ")) // eat prompt
3126 suppressKibitz = FALSE;
3130 } // [HGM] kibitz: end of patch
3132 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3134 // [HGM] chat: intercept tells by users for which we have an open chat window
3136 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3137 looking_at(buf, &i, "* whispers:") ||
3138 looking_at(buf, &i, "* kibitzes:") ||
3139 looking_at(buf, &i, "* shouts:") ||
3140 looking_at(buf, &i, "* c-shouts:") ||
3141 looking_at(buf, &i, "--> * ") ||
3142 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3143 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3144 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3145 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3147 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3148 chattingPartner = -1;
3150 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3151 for(p=0; p<MAX_CHAT; p++) {
3152 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3153 talker[0] = '['; strcat(talker, "] ");
3154 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3155 chattingPartner = p; break;
3158 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3159 for(p=0; p<MAX_CHAT; p++) {
3160 if(!strcmp("kibitzes", chatPartner[p])) {
3161 talker[0] = '['; strcat(talker, "] ");
3162 chattingPartner = p; break;
3165 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3166 for(p=0; p<MAX_CHAT; p++) {
3167 if(!strcmp("whispers", chatPartner[p])) {
3168 talker[0] = '['; strcat(talker, "] ");
3169 chattingPartner = p; break;
3172 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3173 if(buf[i-8] == '-' && buf[i-3] == 't')
3174 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3175 if(!strcmp("c-shouts", chatPartner[p])) {
3176 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3177 chattingPartner = p; break;
3180 if(chattingPartner < 0)
3181 for(p=0; p<MAX_CHAT; p++) {
3182 if(!strcmp("shouts", chatPartner[p])) {
3183 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3184 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3185 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3186 chattingPartner = p; break;
3190 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3191 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3192 talker[0] = 0; Colorize(ColorTell, FALSE);
3193 chattingPartner = p; break;
3195 if(chattingPartner<0) i = oldi; else {
3196 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3197 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3198 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3199 started = STARTED_COMMENT;
3200 parse_pos = 0; parse[0] = NULLCHAR;
3201 savingComment = 3 + chattingPartner; // counts as TRUE
3202 suppressKibitz = TRUE;
3205 } // [HGM] chat: end of patch
3208 if (appData.zippyTalk || appData.zippyPlay) {
3209 /* [DM] Backup address for color zippy lines */
3211 if (loggedOn == TRUE)
3212 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3213 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3215 } // [DM] 'else { ' deleted
3217 /* Regular tells and says */
3218 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3219 looking_at(buf, &i, "* (your partner) tells you: ") ||
3220 looking_at(buf, &i, "* says: ") ||
3221 /* Don't color "message" or "messages" output */
3222 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3223 looking_at(buf, &i, "*. * at *:*: ") ||
3224 looking_at(buf, &i, "--* (*:*): ") ||
3225 /* Message notifications (same color as tells) */
3226 looking_at(buf, &i, "* has left a message ") ||
3227 looking_at(buf, &i, "* just sent you a message:\n") ||
3228 /* Whispers and kibitzes */
3229 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3230 looking_at(buf, &i, "* kibitzes: ") ||
3232 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3234 if (tkind == 1 && strchr(star_match[0], ':')) {
3235 /* Avoid "tells you:" spoofs in channels */
3238 if (star_match[0][0] == NULLCHAR ||
3239 strchr(star_match[0], ' ') ||
3240 (tkind == 3 && strchr(star_match[1], ' '))) {
3241 /* Reject bogus matches */
3244 if (appData.colorize) {
3245 if (oldi > next_out) {
3246 SendToPlayer(&buf[next_out], oldi - next_out);
3251 Colorize(ColorTell, FALSE);
3252 curColor = ColorTell;
3255 Colorize(ColorKibitz, FALSE);
3256 curColor = ColorKibitz;
3259 p = strrchr(star_match[1], '(');
3266 Colorize(ColorChannel1, FALSE);
3267 curColor = ColorChannel1;
3269 Colorize(ColorChannel, FALSE);
3270 curColor = ColorChannel;
3274 curColor = ColorNormal;
3278 if (started == STARTED_NONE && appData.autoComment &&
3279 (gameMode == IcsObserving ||
3280 gameMode == IcsPlayingWhite ||
3281 gameMode == IcsPlayingBlack)) {
3282 parse_pos = i - oldi;
3283 memcpy(parse, &buf[oldi], parse_pos);
3284 parse[parse_pos] = NULLCHAR;
3285 started = STARTED_COMMENT;
3286 savingComment = TRUE;
3288 started = STARTED_CHATTER;
3289 savingComment = FALSE;
3296 if (looking_at(buf, &i, "* s-shouts: ") ||
3297 looking_at(buf, &i, "* c-shouts: ")) {
3298 if (appData.colorize) {
3299 if (oldi > next_out) {
3300 SendToPlayer(&buf[next_out], oldi - next_out);
3303 Colorize(ColorSShout, FALSE);
3304 curColor = ColorSShout;
3307 started = STARTED_CHATTER;
3311 if (looking_at(buf, &i, "--->")) {
3316 if (looking_at(buf, &i, "* shouts: ") ||
3317 looking_at(buf, &i, "--> ")) {
3318 if (appData.colorize) {
3319 if (oldi > next_out) {
3320 SendToPlayer(&buf[next_out], oldi - next_out);
3323 Colorize(ColorShout, FALSE);
3324 curColor = ColorShout;
3327 started = STARTED_CHATTER;
3331 if (looking_at( buf, &i, "Challenge:")) {
3332 if (appData.colorize) {
3333 if (oldi > next_out) {
3334 SendToPlayer(&buf[next_out], oldi - next_out);
3337 Colorize(ColorChallenge, FALSE);
3338 curColor = ColorChallenge;
3344 if (looking_at(buf, &i, "* offers you") ||
3345 looking_at(buf, &i, "* offers to be") ||
3346 looking_at(buf, &i, "* would like to") ||
3347 looking_at(buf, &i, "* requests to") ||
3348 looking_at(buf, &i, "Your opponent offers") ||
3349 looking_at(buf, &i, "Your opponent requests")) {
3351 if (appData.colorize) {
3352 if (oldi > next_out) {
3353 SendToPlayer(&buf[next_out], oldi - next_out);
3356 Colorize(ColorRequest, FALSE);
3357 curColor = ColorRequest;
3362 if (looking_at(buf, &i, "* (*) seeking")) {
3363 if (appData.colorize) {
3364 if (oldi > next_out) {
3365 SendToPlayer(&buf[next_out], oldi - next_out);
3368 Colorize(ColorSeek, FALSE);
3369 curColor = ColorSeek;
3374 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3376 if (looking_at(buf, &i, "\\ ")) {
3377 if (prevColor != ColorNormal) {
3378 if (oldi > next_out) {
3379 SendToPlayer(&buf[next_out], oldi - next_out);
3382 Colorize(prevColor, TRUE);
3383 curColor = prevColor;
3385 if (savingComment) {
3386 parse_pos = i - oldi;
3387 memcpy(parse, &buf[oldi], parse_pos);
3388 parse[parse_pos] = NULLCHAR;
3389 started = STARTED_COMMENT;
3390 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3391 chattingPartner = savingComment - 3; // kludge to remember the box
3393 started = STARTED_CHATTER;
3398 if (looking_at(buf, &i, "Black Strength :") ||
3399 looking_at(buf, &i, "<<< style 10 board >>>") ||
3400 looking_at(buf, &i, "<10>") ||
3401 looking_at(buf, &i, "#@#")) {
3402 /* Wrong board style */
3404 SendToICS(ics_prefix);
3405 SendToICS("set style 12\n");
3406 SendToICS(ics_prefix);
3407 SendToICS("refresh\n");
3411 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3413 have_sent_ICS_logon = 1;
3417 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3418 (looking_at(buf, &i, "\n<12> ") ||
3419 looking_at(buf, &i, "<12> "))) {
3421 if (oldi > next_out) {
3422 SendToPlayer(&buf[next_out], oldi - next_out);
3425 started = STARTED_BOARD;
3430 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3431 looking_at(buf, &i, "<b1> ")) {
3432 if (oldi > next_out) {
3433 SendToPlayer(&buf[next_out], oldi - next_out);
3436 started = STARTED_HOLDINGS;
3441 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3443 /* Header for a move list -- first line */
3445 switch (ics_getting_history) {
3449 case BeginningOfGame:
3450 /* User typed "moves" or "oldmoves" while we
3451 were idle. Pretend we asked for these
3452 moves and soak them up so user can step
3453 through them and/or save them.
3456 gameMode = IcsObserving;
3459 ics_getting_history = H_GOT_UNREQ_HEADER;
3461 case EditGame: /*?*/
3462 case EditPosition: /*?*/
3463 /* Should above feature work in these modes too? */
3464 /* For now it doesn't */
3465 ics_getting_history = H_GOT_UNWANTED_HEADER;
3468 ics_getting_history = H_GOT_UNWANTED_HEADER;
3473 /* Is this the right one? */
3474 if (gameInfo.white && gameInfo.black &&
3475 strcmp(gameInfo.white, star_match[0]) == 0 &&
3476 strcmp(gameInfo.black, star_match[2]) == 0) {
3478 ics_getting_history = H_GOT_REQ_HEADER;
3481 case H_GOT_REQ_HEADER:
3482 case H_GOT_UNREQ_HEADER:
3483 case H_GOT_UNWANTED_HEADER:
3484 case H_GETTING_MOVES:
3485 /* Should not happen */
3486 DisplayError(_("Error gathering move list: two headers"), 0);
3487 ics_getting_history = H_FALSE;
3491 /* Save player ratings into gameInfo if needed */
3492 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3493 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3494 (gameInfo.whiteRating == -1 ||
3495 gameInfo.blackRating == -1)) {
3497 gameInfo.whiteRating = string_to_rating(star_match[1]);
3498 gameInfo.blackRating = string_to_rating(star_match[3]);
3499 if (appData.debugMode)
3500 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3501 gameInfo.whiteRating, gameInfo.blackRating);
3506 if (looking_at(buf, &i,
3507 "* * match, initial time: * minute*, increment: * second")) {
3508 /* Header for a move list -- second line */
3509 /* Initial board will follow if this is a wild game */
3510 if (gameInfo.event != NULL) free(gameInfo.event);
3511 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3512 gameInfo.event = StrSave(str);
3513 /* [HGM] we switched variant. Translate boards if needed. */
3514 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3518 if (looking_at(buf, &i, "Move ")) {
3519 /* Beginning of a move list */
3520 switch (ics_getting_history) {
3522 /* Normally should not happen */
3523 /* Maybe user hit reset while we were parsing */
3526 /* Happens if we are ignoring a move list that is not
3527 * the one we just requested. Common if the user
3528 * tries to observe two games without turning off
3531 case H_GETTING_MOVES:
3532 /* Should not happen */
3533 DisplayError(_("Error gathering move list: nested"), 0);
3534 ics_getting_history = H_FALSE;
3536 case H_GOT_REQ_HEADER:
3537 ics_getting_history = H_GETTING_MOVES;
3538 started = STARTED_MOVES;
3540 if (oldi > next_out) {
3541 SendToPlayer(&buf[next_out], oldi - next_out);
3544 case H_GOT_UNREQ_HEADER:
3545 ics_getting_history = H_GETTING_MOVES;
3546 started = STARTED_MOVES_NOHIDE;
3549 case H_GOT_UNWANTED_HEADER:
3550 ics_getting_history = H_FALSE;
3556 if (looking_at(buf, &i, "% ") ||
3557 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3558 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3559 if(soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3560 soughtPending = FALSE;
3564 if(suppressKibitz) next_out = i;
3565 savingComment = FALSE;
3569 case STARTED_MOVES_NOHIDE:
3570 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3571 parse[parse_pos + i - oldi] = NULLCHAR;
3572 ParseGameHistory(parse);
3574 if (appData.zippyPlay && first.initDone) {
3575 FeedMovesToProgram(&first, forwardMostMove);
3576 if (gameMode == IcsPlayingWhite) {
3577 if (WhiteOnMove(forwardMostMove)) {
3578 if (first.sendTime) {
3579 if (first.useColors) {
3580 SendToProgram("black\n", &first);
3582 SendTimeRemaining(&first, TRUE);
3584 if (first.useColors) {
3585 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3587 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3588 first.maybeThinking = TRUE;
3590 if (first.usePlayother) {
3591 if (first.sendTime) {
3592 SendTimeRemaining(&first, TRUE);
3594 SendToProgram("playother\n", &first);
3600 } else if (gameMode == IcsPlayingBlack) {
3601 if (!WhiteOnMove(forwardMostMove)) {
3602 if (first.sendTime) {
3603 if (first.useColors) {
3604 SendToProgram("white\n", &first);
3606 SendTimeRemaining(&first, FALSE);
3608 if (first.useColors) {
3609 SendToProgram("black\n", &first);
3611 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3612 first.maybeThinking = TRUE;
3614 if (first.usePlayother) {
3615 if (first.sendTime) {
3616 SendTimeRemaining(&first, FALSE);
3618 SendToProgram("playother\n", &first);
3627 if (gameMode == IcsObserving && ics_gamenum == -1) {
3628 /* Moves came from oldmoves or moves command
3629 while we weren't doing anything else.
3631 currentMove = forwardMostMove;
3632 ClearHighlights();/*!!could figure this out*/
3633 flipView = appData.flipView;
3634 DrawPosition(TRUE, boards[currentMove]);
3635 DisplayBothClocks();
3636 snprintf(str, MSG_SIZ, "%s %s %s",
3637 gameInfo.white, _("vs."), gameInfo.black);
3641 /* Moves were history of an active game */
3642 if (gameInfo.resultDetails != NULL) {
3643 free(gameInfo.resultDetails);
3644 gameInfo.resultDetails = NULL;
3647 HistorySet(parseList, backwardMostMove,
3648 forwardMostMove, currentMove-1);
3649 DisplayMove(currentMove - 1);
3650 if (started == STARTED_MOVES) next_out = i;
3651 started = STARTED_NONE;
3652 ics_getting_history = H_FALSE;
3655 case STARTED_OBSERVE:
3656 started = STARTED_NONE;
3657 SendToICS(ics_prefix);
3658 SendToICS("refresh\n");
3664 if(bookHit) { // [HGM] book: simulate book reply
3665 static char bookMove[MSG_SIZ]; // a bit generous?
3667 programStats.nodes = programStats.depth = programStats.time =
3668 programStats.score = programStats.got_only_move = 0;
3669 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3671 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3672 strcat(bookMove, bookHit);
3673 HandleMachineMove(bookMove, &first);
3678 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3679 started == STARTED_HOLDINGS ||
3680 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3681 /* Accumulate characters in move list or board */
3682 parse[parse_pos++] = buf[i];
3685 /* Start of game messages. Mostly we detect start of game
3686 when the first board image arrives. On some versions
3687 of the ICS, though, we need to do a "refresh" after starting
3688 to observe in order to get the current board right away. */
3689 if (looking_at(buf, &i, "Adding game * to observation list")) {
3690 started = STARTED_OBSERVE;
3694 /* Handle auto-observe */
3695 if (appData.autoObserve &&
3696 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3697 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3699 /* Choose the player that was highlighted, if any. */
3700 if (star_match[0][0] == '\033' ||
3701 star_match[1][0] != '\033') {
3702 player = star_match[0];
3704 player = star_match[2];
3706 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3707 ics_prefix, StripHighlightAndTitle(player));
3710 /* Save ratings from notify string */
3711 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3712 player1Rating = string_to_rating(star_match[1]);
3713 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3714 player2Rating = string_to_rating(star_match[3]);
3716 if (appData.debugMode)
3718 "Ratings from 'Game notification:' %s %d, %s %d\n",
3719 player1Name, player1Rating,
3720 player2Name, player2Rating);
3725 /* Deal with automatic examine mode after a game,
3726 and with IcsObserving -> IcsExamining transition */
3727 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3728 looking_at(buf, &i, "has made you an examiner of game *")) {
3730 int gamenum = atoi(star_match[0]);
3731 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3732 gamenum == ics_gamenum) {
3733 /* We were already playing or observing this game;
3734 no need to refetch history */
3735 gameMode = IcsExamining;
3737 pauseExamForwardMostMove = forwardMostMove;
3738 } else if (currentMove < forwardMostMove) {
3739 ForwardInner(forwardMostMove);
3742 /* I don't think this case really can happen */
3743 SendToICS(ics_prefix);
3744 SendToICS("refresh\n");
3749 /* Error messages */
3750 // if (ics_user_moved) {
3751 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3752 if (looking_at(buf, &i, "Illegal move") ||
3753 looking_at(buf, &i, "Not a legal move") ||
3754 looking_at(buf, &i, "Your king is in check") ||
3755 looking_at(buf, &i, "It isn't your turn") ||
3756 looking_at(buf, &i, "It is not your move")) {
3758 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3759 currentMove = forwardMostMove-1;
3760 DisplayMove(currentMove - 1); /* before DMError */
3761 DrawPosition(FALSE, boards[currentMove]);
3762 SwitchClocks(forwardMostMove-1); // [HGM] race
3763 DisplayBothClocks();
3765 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3771 if (looking_at(buf, &i, "still have time") ||
3772 looking_at(buf, &i, "not out of time") ||
3773 looking_at(buf, &i, "either player is out of time") ||
3774 looking_at(buf, &i, "has timeseal; checking")) {
3775 /* We must have called his flag a little too soon */
3776 whiteFlag = blackFlag = FALSE;
3780 if (looking_at(buf, &i, "added * seconds to") ||
3781 looking_at(buf, &i, "seconds were added to")) {
3782 /* Update the clocks */
3783 SendToICS(ics_prefix);
3784 SendToICS("refresh\n");
3788 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3789 ics_clock_paused = TRUE;
3794 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3795 ics_clock_paused = FALSE;
3800 /* Grab player ratings from the Creating: message.
3801 Note we have to check for the special case when
3802 the ICS inserts things like [white] or [black]. */
3803 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3804 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3806 0 player 1 name (not necessarily white)
3808 2 empty, white, or black (IGNORED)
3809 3 player 2 name (not necessarily black)
3812 The names/ratings are sorted out when the game
3813 actually starts (below).
3815 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3816 player1Rating = string_to_rating(star_match[1]);
3817 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3818 player2Rating = string_to_rating(star_match[4]);
3820 if (appData.debugMode)
3822 "Ratings from 'Creating:' %s %d, %s %d\n",
3823 player1Name, player1Rating,
3824 player2Name, player2Rating);
3829 /* Improved generic start/end-of-game messages */
3830 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3831 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3832 /* If tkind == 0: */
3833 /* star_match[0] is the game number */
3834 /* [1] is the white player's name */
3835 /* [2] is the black player's name */
3836 /* For end-of-game: */
3837 /* [3] is the reason for the game end */
3838 /* [4] is a PGN end game-token, preceded by " " */
3839 /* For start-of-game: */
3840 /* [3] begins with "Creating" or "Continuing" */
3841 /* [4] is " *" or empty (don't care). */
3842 int gamenum = atoi(star_match[0]);
3843 char *whitename, *blackname, *why, *endtoken;
3844 ChessMove endtype = EndOfFile;
3847 whitename = star_match[1];
3848 blackname = star_match[2];
3849 why = star_match[3];
3850 endtoken = star_match[4];
3852 whitename = star_match[1];
3853 blackname = star_match[3];
3854 why = star_match[5];
3855 endtoken = star_match[6];
3858 /* Game start messages */
3859 if (strncmp(why, "Creating ", 9) == 0 ||
3860 strncmp(why, "Continuing ", 11) == 0) {
3861 gs_gamenum = gamenum;
3862 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3863 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3864 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3866 if (appData.zippyPlay) {
3867 ZippyGameStart(whitename, blackname);
3870 partnerBoardValid = FALSE; // [HGM] bughouse
3874 /* Game end messages */
3875 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3876 ics_gamenum != gamenum) {
3879 while (endtoken[0] == ' ') endtoken++;
3880 switch (endtoken[0]) {
3883 endtype = GameUnfinished;
3886 endtype = BlackWins;
3889 if (endtoken[1] == '/')
3890 endtype = GameIsDrawn;
3892 endtype = WhiteWins;
3895 GameEnds(endtype, why, GE_ICS);
3897 if (appData.zippyPlay && first.initDone) {
3898 ZippyGameEnd(endtype, why);
3899 if (first.pr == NoProc) {
3900 /* Start the next process early so that we'll
3901 be ready for the next challenge */
3902 StartChessProgram(&first);
3904 /* Send "new" early, in case this command takes
3905 a long time to finish, so that we'll be ready
3906 for the next challenge. */
3907 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3911 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3915 if (looking_at(buf, &i, "Removing game * from observation") ||
3916 looking_at(buf, &i, "no longer observing game *") ||
3917 looking_at(buf, &i, "Game * (*) has no examiners")) {
3918 if (gameMode == IcsObserving &&
3919 atoi(star_match[0]) == ics_gamenum)
3921 /* icsEngineAnalyze */
3922 if (appData.icsEngineAnalyze) {
3929 ics_user_moved = FALSE;
3934 if (looking_at(buf, &i, "no longer examining game *")) {
3935 if (gameMode == IcsExamining &&
3936 atoi(star_match[0]) == ics_gamenum)
3940 ics_user_moved = FALSE;
3945 /* Advance leftover_start past any newlines we find,
3946 so only partial lines can get reparsed */
3947 if (looking_at(buf, &i, "\n")) {
3948 prevColor = curColor;
3949 if (curColor != ColorNormal) {
3950 if (oldi > next_out) {
3951 SendToPlayer(&buf[next_out], oldi - next_out);
3954 Colorize(ColorNormal, FALSE);
3955 curColor = ColorNormal;
3957 if (started == STARTED_BOARD) {
3958 started = STARTED_NONE;
3959 parse[parse_pos] = NULLCHAR;
3960 ParseBoard12(parse);
3963 /* Send premove here */
3964 if (appData.premove) {
3966 if (currentMove == 0 &&
3967 gameMode == IcsPlayingWhite &&
3968 appData.premoveWhite) {
3969 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3970 if (appData.debugMode)
3971 fprintf(debugFP, "Sending premove:\n");
3973 } else if (currentMove == 1 &&
3974 gameMode == IcsPlayingBlack &&
3975 appData.premoveBlack) {
3976 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3977 if (appData.debugMode)
3978 fprintf(debugFP, "Sending premove:\n");
3980 } else if (gotPremove) {
3982 ClearPremoveHighlights();
3983 if (appData.debugMode)
3984 fprintf(debugFP, "Sending premove:\n");
3985 UserMoveEvent(premoveFromX, premoveFromY,
3986 premoveToX, premoveToY,
3991 /* Usually suppress following prompt */
3992 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3993 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3994 if (looking_at(buf, &i, "*% ")) {
3995 savingComment = FALSE;
4000 } else if (started == STARTED_HOLDINGS) {
4002 char new_piece[MSG_SIZ];
4003 started = STARTED_NONE;
4004 parse[parse_pos] = NULLCHAR;
4005 if (appData.debugMode)
4006 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4007 parse, currentMove);
4008 if (sscanf(parse, " game %d", &gamenum) == 1) {
4009 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4010 if (gameInfo.variant == VariantNormal) {
4011 /* [HGM] We seem to switch variant during a game!
4012 * Presumably no holdings were displayed, so we have
4013 * to move the position two files to the right to
4014 * create room for them!
4016 VariantClass newVariant;
4017 switch(gameInfo.boardWidth) { // base guess on board width
4018 case 9: newVariant = VariantShogi; break;
4019 case 10: newVariant = VariantGreat; break;
4020 default: newVariant = VariantCrazyhouse; break;
4022 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4023 /* Get a move list just to see the header, which
4024 will tell us whether this is really bug or zh */
4025 if (ics_getting_history == H_FALSE) {
4026 ics_getting_history = H_REQUESTED;
4027 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4031 new_piece[0] = NULLCHAR;
4032 sscanf(parse, "game %d white [%s black [%s <- %s",
4033 &gamenum, white_holding, black_holding,
4035 white_holding[strlen(white_holding)-1] = NULLCHAR;
4036 black_holding[strlen(black_holding)-1] = NULLCHAR;
4037 /* [HGM] copy holdings to board holdings area */
4038 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4039 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4040 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4042 if (appData.zippyPlay && first.initDone) {
4043 ZippyHoldings(white_holding, black_holding,
4047 if (tinyLayout || smallLayout) {
4048 char wh[16], bh[16];
4049 PackHolding(wh, white_holding);
4050 PackHolding(bh, black_holding);
4051 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4052 gameInfo.white, gameInfo.black);
4054 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4055 gameInfo.white, white_holding, _("vs."),
4056 gameInfo.black, black_holding);
4058 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4059 DrawPosition(FALSE, boards[currentMove]);
4061 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4062 sscanf(parse, "game %d white [%s black [%s <- %s",
4063 &gamenum, white_holding, black_holding,
4065 white_holding[strlen(white_holding)-1] = NULLCHAR;
4066 black_holding[strlen(black_holding)-1] = NULLCHAR;
4067 /* [HGM] copy holdings to partner-board holdings area */
4068 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4069 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4070 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4071 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4072 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4075 /* Suppress following prompt */
4076 if (looking_at(buf, &i, "*% ")) {
4077 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4078 savingComment = FALSE;
4086 i++; /* skip unparsed character and loop back */
4089 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4090 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4091 // SendToPlayer(&buf[next_out], i - next_out);
4092 started != STARTED_HOLDINGS && leftover_start > next_out) {
4093 SendToPlayer(&buf[next_out], leftover_start - next_out);
4097 leftover_len = buf_len - leftover_start;
4098 /* if buffer ends with something we couldn't parse,
4099 reparse it after appending the next read */
4101 } else if (count == 0) {
4102 RemoveInputSource(isr);
4103 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4105 DisplayFatalError(_("Error reading from ICS"), error, 1);
4110 /* Board style 12 looks like this:
4112 <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
4114 * The "<12> " is stripped before it gets to this routine. The two
4115 * trailing 0's (flip state and clock ticking) are later addition, and
4116 * some chess servers may not have them, or may have only the first.
4117 * Additional trailing fields may be added in the future.
4120 #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"
4122 #define RELATION_OBSERVING_PLAYED 0
4123 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4124 #define RELATION_PLAYING_MYMOVE 1
4125 #define RELATION_PLAYING_NOTMYMOVE -1
4126 #define RELATION_EXAMINING 2
4127 #define RELATION_ISOLATED_BOARD -3
4128 #define RELATION_STARTING_POSITION -4 /* FICS only */
4131 ParseBoard12 (char *string)
4133 GameMode newGameMode;
4134 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4135 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4136 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4137 char to_play, board_chars[200];
4138 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4139 char black[32], white[32];
4141 int prevMove = currentMove;
4144 int fromX, fromY, toX, toY;
4146 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4147 char *bookHit = NULL; // [HGM] book
4148 Boolean weird = FALSE, reqFlag = FALSE;
4150 fromX = fromY = toX = toY = -1;
4154 if (appData.debugMode)
4155 fprintf(debugFP, _("Parsing board: %s\n"), string);
4157 move_str[0] = NULLCHAR;
4158 elapsed_time[0] = NULLCHAR;
4159 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4161 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4162 if(string[i] == ' ') { ranks++; files = 0; }
4164 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4167 for(j = 0; j <i; j++) board_chars[j] = string[j];
4168 board_chars[i] = '\0';
4171 n = sscanf(string, PATTERN, &to_play, &double_push,
4172 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4173 &gamenum, white, black, &relation, &basetime, &increment,
4174 &white_stren, &black_stren, &white_time, &black_time,
4175 &moveNum, str, elapsed_time, move_str, &ics_flip,
4179 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4180 DisplayError(str, 0);
4184 /* Convert the move number to internal form */
4185 moveNum = (moveNum - 1) * 2;
4186 if (to_play == 'B') moveNum++;
4187 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4188 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4194 case RELATION_OBSERVING_PLAYED:
4195 case RELATION_OBSERVING_STATIC:
4196 if (gamenum == -1) {
4197 /* Old ICC buglet */
4198 relation = RELATION_OBSERVING_STATIC;
4200 newGameMode = IcsObserving;
4202 case RELATION_PLAYING_MYMOVE:
4203 case RELATION_PLAYING_NOTMYMOVE:
4205 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4206 IcsPlayingWhite : IcsPlayingBlack;
4208 case RELATION_EXAMINING:
4209 newGameMode = IcsExamining;
4211 case RELATION_ISOLATED_BOARD:
4213 /* Just display this board. If user was doing something else,
4214 we will forget about it until the next board comes. */
4215 newGameMode = IcsIdle;
4217 case RELATION_STARTING_POSITION:
4218 newGameMode = gameMode;
4222 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4223 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4224 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4226 for (k = 0; k < ranks; k++) {
4227 for (j = 0; j < files; j++)
4228 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4229 if(gameInfo.holdingsWidth > 1) {
4230 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4231 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4234 CopyBoard(partnerBoard, board);
4235 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4236 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4237 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4238 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4239 if(toSqr = strchr(str, '-')) {
4240 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4241 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4242 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4243 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4244 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4245 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4246 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4247 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4248 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4249 DisplayMessage(partnerStatus, "");
4250 partnerBoardValid = TRUE;
4254 /* Modify behavior for initial board display on move listing
4257 switch (ics_getting_history) {
4261 case H_GOT_REQ_HEADER:
4262 case H_GOT_UNREQ_HEADER:
4263 /* This is the initial position of the current game */
4264 gamenum = ics_gamenum;
4265 moveNum = 0; /* old ICS bug workaround */
4266 if (to_play == 'B') {
4267 startedFromSetupPosition = TRUE;
4268 blackPlaysFirst = TRUE;
4270 if (forwardMostMove == 0) forwardMostMove = 1;
4271 if (backwardMostMove == 0) backwardMostMove = 1;
4272 if (currentMove == 0) currentMove = 1;
4274 newGameMode = gameMode;
4275 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4277 case H_GOT_UNWANTED_HEADER:
4278 /* This is an initial board that we don't want */
4280 case H_GETTING_MOVES:
4281 /* Should not happen */
4282 DisplayError(_("Error gathering move list: extra board"), 0);
4283 ics_getting_history = H_FALSE;
4287 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4288 weird && (int)gameInfo.variant < (int)VariantShogi) {
4289 /* [HGM] We seem to have switched variant unexpectedly
4290 * Try to guess new variant from board size
4292 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4293 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4294 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4295 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4296 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4297 if(!weird) newVariant = VariantNormal;
4298 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4299 /* Get a move list just to see the header, which
4300 will tell us whether this is really bug or zh */
4301 if (ics_getting_history == H_FALSE) {
4302 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4303 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4308 /* Take action if this is the first board of a new game, or of a
4309 different game than is currently being displayed. */
4310 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4311 relation == RELATION_ISOLATED_BOARD) {
4313 /* Forget the old game and get the history (if any) of the new one */
4314 if (gameMode != BeginningOfGame) {
4318 if (appData.autoRaiseBoard) BoardToTop();
4320 if (gamenum == -1) {
4321 newGameMode = IcsIdle;
4322 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4323 appData.getMoveList && !reqFlag) {
4324 /* Need to get game history */
4325 ics_getting_history = H_REQUESTED;
4326 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4330 /* Initially flip the board to have black on the bottom if playing
4331 black or if the ICS flip flag is set, but let the user change
4332 it with the Flip View button. */
4333 flipView = appData.autoFlipView ?
4334 (newGameMode == IcsPlayingBlack) || ics_flip :
4337 /* Done with values from previous mode; copy in new ones */
4338 gameMode = newGameMode;
4340 ics_gamenum = gamenum;
4341 if (gamenum == gs_gamenum) {
4342 int klen = strlen(gs_kind);
4343 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4344 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4345 gameInfo.event = StrSave(str);
4347 gameInfo.event = StrSave("ICS game");
4349 gameInfo.site = StrSave(appData.icsHost);
4350 gameInfo.date = PGNDate();
4351 gameInfo.round = StrSave("-");
4352 gameInfo.white = StrSave(white);
4353 gameInfo.black = StrSave(black);
4354 timeControl = basetime * 60 * 1000;
4356 timeIncrement = increment * 1000;
4357 movesPerSession = 0;
4358 gameInfo.timeControl = TimeControlTagValue();
4359 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4360 if (appData.debugMode) {
4361 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4362 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4363 setbuf(debugFP, NULL);
4366 gameInfo.outOfBook = NULL;
4368 /* Do we have the ratings? */
4369 if (strcmp(player1Name, white) == 0 &&
4370 strcmp(player2Name, black) == 0) {
4371 if (appData.debugMode)
4372 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4373 player1Rating, player2Rating);
4374 gameInfo.whiteRating = player1Rating;
4375 gameInfo.blackRating = player2Rating;
4376 } else if (strcmp(player2Name, white) == 0 &&
4377 strcmp(player1Name, black) == 0) {
4378 if (appData.debugMode)
4379 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4380 player2Rating, player1Rating);
4381 gameInfo.whiteRating = player2Rating;
4382 gameInfo.blackRating = player1Rating;
4384 player1Name[0] = player2Name[0] = NULLCHAR;
4386 /* Silence shouts if requested */
4387 if (appData.quietPlay &&
4388 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4389 SendToICS(ics_prefix);
4390 SendToICS("set shout 0\n");
4394 /* Deal with midgame name changes */
4396 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4397 if (gameInfo.white) free(gameInfo.white);
4398 gameInfo.white = StrSave(white);
4400 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4401 if (gameInfo.black) free(gameInfo.black);
4402 gameInfo.black = StrSave(black);
4406 /* Throw away game result if anything actually changes in examine mode */
4407 if (gameMode == IcsExamining && !newGame) {
4408 gameInfo.result = GameUnfinished;
4409 if (gameInfo.resultDetails != NULL) {
4410 free(gameInfo.resultDetails);
4411 gameInfo.resultDetails = NULL;
4415 /* In pausing && IcsExamining mode, we ignore boards coming
4416 in if they are in a different variation than we are. */
4417 if (pauseExamInvalid) return;
4418 if (pausing && gameMode == IcsExamining) {
4419 if (moveNum <= pauseExamForwardMostMove) {
4420 pauseExamInvalid = TRUE;
4421 forwardMostMove = pauseExamForwardMostMove;
4426 if (appData.debugMode) {
4427 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4429 /* Parse the board */
4430 for (k = 0; k < ranks; k++) {
4431 for (j = 0; j < files; j++)
4432 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4433 if(gameInfo.holdingsWidth > 1) {
4434 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4435 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4438 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4439 board[5][BOARD_RGHT+1] = WhiteAngel;
4440 board[6][BOARD_RGHT+1] = WhiteMarshall;
4441 board[1][0] = BlackMarshall;
4442 board[2][0] = BlackAngel;
4443 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4445 CopyBoard(boards[moveNum], board);
4446 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4448 startedFromSetupPosition =
4449 !CompareBoards(board, initialPosition);
4450 if(startedFromSetupPosition)
4451 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4454 /* [HGM] Set castling rights. Take the outermost Rooks,
4455 to make it also work for FRC opening positions. Note that board12
4456 is really defective for later FRC positions, as it has no way to
4457 indicate which Rook can castle if they are on the same side of King.
4458 For the initial position we grant rights to the outermost Rooks,
4459 and remember thos rights, and we then copy them on positions
4460 later in an FRC game. This means WB might not recognize castlings with
4461 Rooks that have moved back to their original position as illegal,
4462 but in ICS mode that is not its job anyway.
4464 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4465 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4467 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4468 if(board[0][i] == WhiteRook) j = i;
4469 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4470 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4471 if(board[0][i] == WhiteRook) j = i;
4472 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4473 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4474 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4475 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4476 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4477 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4478 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4480 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4481 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4482 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4483 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4484 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4485 if(board[BOARD_HEIGHT-1][k] == bKing)
4486 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4487 if(gameInfo.variant == VariantTwoKings) {
4488 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4489 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4490 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4493 r = boards[moveNum][CASTLING][0] = initialRights[0];
4494 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4495 r = boards[moveNum][CASTLING][1] = initialRights[1];
4496 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4497 r = boards[moveNum][CASTLING][3] = initialRights[3];
4498 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4499 r = boards[moveNum][CASTLING][4] = initialRights[4];
4500 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4501 /* wildcastle kludge: always assume King has rights */
4502 r = boards[moveNum][CASTLING][2] = initialRights[2];
4503 r = boards[moveNum][CASTLING][5] = initialRights[5];
4505 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4506 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4509 if (ics_getting_history == H_GOT_REQ_HEADER ||
4510 ics_getting_history == H_GOT_UNREQ_HEADER) {
4511 /* This was an initial position from a move list, not
4512 the current position */
4516 /* Update currentMove and known move number limits */
4517 newMove = newGame || moveNum > forwardMostMove;
4520 forwardMostMove = backwardMostMove = currentMove = moveNum;
4521 if (gameMode == IcsExamining && moveNum == 0) {
4522 /* Workaround for ICS limitation: we are not told the wild
4523 type when starting to examine a game. But if we ask for
4524 the move list, the move list header will tell us */
4525 ics_getting_history = H_REQUESTED;
4526 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4529 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4530 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4532 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4533 /* [HGM] applied this also to an engine that is silently watching */
4534 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4535 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4536 gameInfo.variant == currentlyInitializedVariant) {
4537 takeback = forwardMostMove - moveNum;
4538 for (i = 0; i < takeback; i++) {
4539 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4540 SendToProgram("undo\n", &first);
4545 forwardMostMove = moveNum;
4546 if (!pausing || currentMove > forwardMostMove)
4547 currentMove = forwardMostMove;
4549 /* New part of history that is not contiguous with old part */
4550 if (pausing && gameMode == IcsExamining) {
4551 pauseExamInvalid = TRUE;
4552 forwardMostMove = pauseExamForwardMostMove;
4555 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4557 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4558 // [HGM] when we will receive the move list we now request, it will be
4559 // fed to the engine from the first move on. So if the engine is not
4560 // in the initial position now, bring it there.
4561 InitChessProgram(&first, 0);
4564 ics_getting_history = H_REQUESTED;
4565 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4568 forwardMostMove = backwardMostMove = currentMove = moveNum;
4571 /* Update the clocks */
4572 if (strchr(elapsed_time, '.')) {
4574 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4575 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4577 /* Time is in seconds */
4578 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4579 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4584 if (appData.zippyPlay && newGame &&
4585 gameMode != IcsObserving && gameMode != IcsIdle &&
4586 gameMode != IcsExamining)
4587 ZippyFirstBoard(moveNum, basetime, increment);
4590 /* Put the move on the move list, first converting
4591 to canonical algebraic form. */
4593 if (appData.debugMode) {
4594 if (appData.debugMode) { int f = forwardMostMove;
4595 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4596 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4597 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4599 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4600 fprintf(debugFP, "moveNum = %d\n", moveNum);
4601 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4602 setbuf(debugFP, NULL);
4604 if (moveNum <= backwardMostMove) {
4605 /* We don't know what the board looked like before
4607 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4608 strcat(parseList[moveNum - 1], " ");
4609 strcat(parseList[moveNum - 1], elapsed_time);
4610 moveList[moveNum - 1][0] = NULLCHAR;
4611 } else if (strcmp(move_str, "none") == 0) {
4612 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4613 /* Again, we don't know what the board looked like;
4614 this is really the start of the game. */
4615 parseList[moveNum - 1][0] = NULLCHAR;
4616 moveList[moveNum - 1][0] = NULLCHAR;
4617 backwardMostMove = moveNum;
4618 startedFromSetupPosition = TRUE;
4619 fromX = fromY = toX = toY = -1;
4621 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4622 // So we parse the long-algebraic move string in stead of the SAN move
4623 int valid; char buf[MSG_SIZ], *prom;
4625 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4626 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4627 // str looks something like "Q/a1-a2"; kill the slash
4629 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4630 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4631 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4632 strcat(buf, prom); // long move lacks promo specification!
4633 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4634 if(appData.debugMode)
4635 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4636 safeStrCpy(move_str, buf, MSG_SIZ);
4638 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4639 &fromX, &fromY, &toX, &toY, &promoChar)
4640 || ParseOneMove(buf, moveNum - 1, &moveType,
4641 &fromX, &fromY, &toX, &toY, &promoChar);
4642 // end of long SAN patch
4644 (void) CoordsToAlgebraic(boards[moveNum - 1],
4645 PosFlags(moveNum - 1),
4646 fromY, fromX, toY, toX, promoChar,
4647 parseList[moveNum-1]);
4648 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4654 if(gameInfo.variant != VariantShogi)
4655 strcat(parseList[moveNum - 1], "+");
4658 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4659 strcat(parseList[moveNum - 1], "#");
4662 strcat(parseList[moveNum - 1], " ");
4663 strcat(parseList[moveNum - 1], elapsed_time);
4664 /* currentMoveString is set as a side-effect of ParseOneMove */
4665 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4666 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4667 strcat(moveList[moveNum - 1], "\n");
4669 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4670 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4671 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4672 ChessSquare old, new = boards[moveNum][k][j];
4673 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4674 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4675 if(old == new) continue;
4676 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4677 else if(new == WhiteWazir || new == BlackWazir) {
4678 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4679 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4680 else boards[moveNum][k][j] = old; // preserve type of Gold
4681 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4682 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4685 /* Move from ICS was illegal!? Punt. */
4686 if (appData.debugMode) {
4687 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4688 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4690 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4691 strcat(parseList[moveNum - 1], " ");
4692 strcat(parseList[moveNum - 1], elapsed_time);
4693 moveList[moveNum - 1][0] = NULLCHAR;
4694 fromX = fromY = toX = toY = -1;
4697 if (appData.debugMode) {
4698 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4699 setbuf(debugFP, NULL);
4703 /* Send move to chess program (BEFORE animating it). */
4704 if (appData.zippyPlay && !newGame && newMove &&
4705 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4707 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4708 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4709 if (moveList[moveNum - 1][0] == NULLCHAR) {
4710 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4712 DisplayError(str, 0);
4714 if (first.sendTime) {
4715 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4717 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4718 if (firstMove && !bookHit) {
4720 if (first.useColors) {
4721 SendToProgram(gameMode == IcsPlayingWhite ?
4723 "black\ngo\n", &first);
4725 SendToProgram("go\n", &first);
4727 first.maybeThinking = TRUE;
4730 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4731 if (moveList[moveNum - 1][0] == NULLCHAR) {
4732 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4733 DisplayError(str, 0);
4735 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4736 SendMoveToProgram(moveNum - 1, &first);
4743 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4744 /* If move comes from a remote source, animate it. If it
4745 isn't remote, it will have already been animated. */
4746 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4747 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4749 if (!pausing && appData.highlightLastMove) {
4750 SetHighlights(fromX, fromY, toX, toY);
4754 /* Start the clocks */
4755 whiteFlag = blackFlag = FALSE;
4756 appData.clockMode = !(basetime == 0 && increment == 0);
4758 ics_clock_paused = TRUE;
4760 } else if (ticking == 1) {
4761 ics_clock_paused = FALSE;
4763 if (gameMode == IcsIdle ||
4764 relation == RELATION_OBSERVING_STATIC ||
4765 relation == RELATION_EXAMINING ||
4767 DisplayBothClocks();
4771 /* Display opponents and material strengths */
4772 if (gameInfo.variant != VariantBughouse &&
4773 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4774 if (tinyLayout || smallLayout) {
4775 if(gameInfo.variant == VariantNormal)
4776 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4777 gameInfo.white, white_stren, gameInfo.black, black_stren,
4778 basetime, increment);
4780 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4781 gameInfo.white, white_stren, gameInfo.black, black_stren,
4782 basetime, increment, (int) gameInfo.variant);
4784 if(gameInfo.variant == VariantNormal)
4785 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4786 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4787 basetime, increment);
4789 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4790 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4791 basetime, increment, VariantName(gameInfo.variant));
4794 if (appData.debugMode) {
4795 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4800 /* Display the board */
4801 if (!pausing && !appData.noGUI) {
4803 if (appData.premove)
4805 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4806 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4807 ClearPremoveHighlights();
4809 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4810 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4811 DrawPosition(j, boards[currentMove]);
4813 DisplayMove(moveNum - 1);
4814 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4815 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4816 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4817 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4821 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4823 if(bookHit) { // [HGM] book: simulate book reply
4824 static char bookMove[MSG_SIZ]; // a bit generous?
4826 programStats.nodes = programStats.depth = programStats.time =
4827 programStats.score = programStats.got_only_move = 0;
4828 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4830 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4831 strcat(bookMove, bookHit);
4832 HandleMachineMove(bookMove, &first);
4841 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4842 ics_getting_history = H_REQUESTED;
4843 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4849 AnalysisPeriodicEvent (int force)
4851 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4852 && !force) || !appData.periodicUpdates)
4855 /* Send . command to Crafty to collect stats */
4856 SendToProgram(".\n", &first);
4858 /* Don't send another until we get a response (this makes
4859 us stop sending to old Crafty's which don't understand
4860 the "." command (sending illegal cmds resets node count & time,
4861 which looks bad)) */
4862 programStats.ok_to_send = 0;
4866 ics_update_width (int new_width)
4868 ics_printf("set width %d\n", new_width);
4872 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4876 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4877 // null move in variant where engine does not understand it (for analysis purposes)
4878 SendBoard(cps, moveNum + 1); // send position after move in stead.
4881 if (cps->useUsermove) {
4882 SendToProgram("usermove ", cps);
4886 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4887 int len = space - parseList[moveNum];
4888 memcpy(buf, parseList[moveNum], len);
4890 buf[len] = NULLCHAR;
4892 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4894 SendToProgram(buf, cps);
4896 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4897 AlphaRank(moveList[moveNum], 4);
4898 SendToProgram(moveList[moveNum], cps);
4899 AlphaRank(moveList[moveNum], 4); // and back
4901 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4902 * the engine. It would be nice to have a better way to identify castle
4904 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4905 && cps->useOOCastle) {
4906 int fromX = moveList[moveNum][0] - AAA;
4907 int fromY = moveList[moveNum][1] - ONE;
4908 int toX = moveList[moveNum][2] - AAA;
4909 int toY = moveList[moveNum][3] - ONE;
4910 if((boards[moveNum][fromY][fromX] == WhiteKing
4911 && boards[moveNum][toY][toX] == WhiteRook)
4912 || (boards[moveNum][fromY][fromX] == BlackKing
4913 && boards[moveNum][toY][toX] == BlackRook)) {
4914 if(toX > fromX) SendToProgram("O-O\n", cps);
4915 else SendToProgram("O-O-O\n", cps);
4917 else SendToProgram(moveList[moveNum], cps);
4919 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4920 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4921 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4922 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4923 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4925 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4926 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4927 SendToProgram(buf, cps);
4929 else SendToProgram(moveList[moveNum], cps);
4930 /* End of additions by Tord */
4933 /* [HGM] setting up the opening has brought engine in force mode! */
4934 /* Send 'go' if we are in a mode where machine should play. */
4935 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4936 (gameMode == TwoMachinesPlay ||
4938 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4940 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4941 SendToProgram("go\n", cps);
4942 if (appData.debugMode) {
4943 fprintf(debugFP, "(extra)\n");
4946 setboardSpoiledMachineBlack = 0;
4950 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
4952 char user_move[MSG_SIZ];
4955 if(gameInfo.variant == VariantSChess && promoChar) {
4956 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4957 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4958 } else suffix[0] = NULLCHAR;
4962 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4963 (int)moveType, fromX, fromY, toX, toY);
4964 DisplayError(user_move + strlen("say "), 0);
4966 case WhiteKingSideCastle:
4967 case BlackKingSideCastle:
4968 case WhiteQueenSideCastleWild:
4969 case BlackQueenSideCastleWild:
4971 case WhiteHSideCastleFR:
4972 case BlackHSideCastleFR:
4974 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4976 case WhiteQueenSideCastle:
4977 case BlackQueenSideCastle:
4978 case WhiteKingSideCastleWild:
4979 case BlackKingSideCastleWild:
4981 case WhiteASideCastleFR:
4982 case BlackASideCastleFR:
4984 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
4986 case WhiteNonPromotion:
4987 case BlackNonPromotion:
4988 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4990 case WhitePromotion:
4991 case BlackPromotion:
4992 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4993 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4994 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4995 PieceToChar(WhiteFerz));
4996 else if(gameInfo.variant == VariantGreat)
4997 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4998 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4999 PieceToChar(WhiteMan));
5001 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5002 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5008 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5009 ToUpper(PieceToChar((ChessSquare) fromX)),
5010 AAA + toX, ONE + toY);
5012 case IllegalMove: /* could be a variant we don't quite understand */
5013 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5015 case WhiteCapturesEnPassant:
5016 case BlackCapturesEnPassant:
5017 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5018 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5021 SendToICS(user_move);
5022 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5023 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5028 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5029 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5030 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5031 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5032 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5035 if(gameMode != IcsExamining) { // is this ever not the case?
5036 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5038 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5039 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5040 } else { // on FICS we must first go to general examine mode
5041 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5043 if(gameInfo.variant != VariantNormal) {
5044 // try figure out wild number, as xboard names are not always valid on ICS
5045 for(i=1; i<=36; i++) {
5046 snprintf(buf, MSG_SIZ, "wild/%d", i);
5047 if(StringToVariant(buf) == gameInfo.variant) break;
5049 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5050 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5051 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5052 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5053 SendToICS(ics_prefix);
5055 if(startedFromSetupPosition || backwardMostMove != 0) {
5056 fen = PositionToFEN(backwardMostMove, NULL);
5057 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5058 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5060 } else { // FICS: everything has to set by separate bsetup commands
5061 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5062 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5064 if(!WhiteOnMove(backwardMostMove)) {
5065 SendToICS("bsetup tomove black\n");
5067 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5068 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5070 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5071 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5073 i = boards[backwardMostMove][EP_STATUS];
5074 if(i >= 0) { // set e.p.
5075 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5081 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5082 SendToICS("bsetup done\n"); // switch to normal examining.
5084 for(i = backwardMostMove; i<last; i++) {
5086 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5089 SendToICS(ics_prefix);
5090 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5094 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5096 if (rf == DROP_RANK) {
5097 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5098 sprintf(move, "%c@%c%c\n",
5099 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5101 if (promoChar == 'x' || promoChar == NULLCHAR) {
5102 sprintf(move, "%c%c%c%c\n",
5103 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5105 sprintf(move, "%c%c%c%c%c\n",
5106 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5112 ProcessICSInitScript (FILE *f)
5116 while (fgets(buf, MSG_SIZ, f)) {
5117 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5124 static int lastX, lastY, selectFlag, dragging;
5129 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5130 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5131 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5132 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5133 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5134 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5137 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5138 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5139 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5140 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5141 if(!step) step = -1;
5142 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5143 appData.testLegality && (promoSweep == king ||
5144 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5145 ChangeDragPiece(promoSweep);
5149 PromoScroll (int x, int y)
5153 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5154 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5155 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5156 if(!step) return FALSE;
5157 lastX = x; lastY = y;
5158 if((promoSweep < BlackPawn) == flipView) step = -step;
5159 if(step > 0) selectFlag = 1;
5160 if(!selectFlag) Sweep(step);
5165 NextPiece (int step)
5167 ChessSquare piece = boards[currentMove][toY][toX];
5170 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5171 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5172 if(!step) step = -1;
5173 } while(PieceToChar(pieceSweep) == '.');
5174 boards[currentMove][toY][toX] = pieceSweep;
5175 DrawPosition(FALSE, boards[currentMove]);
5176 boards[currentMove][toY][toX] = piece;
5178 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5180 AlphaRank (char *move, int n)
5182 // char *p = move, c; int x, y;
5184 if (appData.debugMode) {
5185 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5189 move[2]>='0' && move[2]<='9' &&
5190 move[3]>='a' && move[3]<='x' ) {
5192 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5193 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5195 if(move[0]>='0' && move[0]<='9' &&
5196 move[1]>='a' && move[1]<='x' &&
5197 move[2]>='0' && move[2]<='9' &&
5198 move[3]>='a' && move[3]<='x' ) {
5199 /* input move, Shogi -> normal */
5200 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5201 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5202 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5203 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5206 move[3]>='0' && move[3]<='9' &&
5207 move[2]>='a' && move[2]<='x' ) {
5209 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5210 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5213 move[0]>='a' && move[0]<='x' &&
5214 move[3]>='0' && move[3]<='9' &&
5215 move[2]>='a' && move[2]<='x' ) {
5216 /* output move, normal -> Shogi */
5217 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5218 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5219 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5220 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5221 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5223 if (appData.debugMode) {
5224 fprintf(debugFP, " out = '%s'\n", move);
5228 char yy_textstr[8000];
5230 /* Parser for moves from gnuchess, ICS, or user typein box */
5232 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5234 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5236 switch (*moveType) {
5237 case WhitePromotion:
5238 case BlackPromotion:
5239 case WhiteNonPromotion:
5240 case BlackNonPromotion:
5242 case WhiteCapturesEnPassant:
5243 case BlackCapturesEnPassant:
5244 case WhiteKingSideCastle:
5245 case WhiteQueenSideCastle:
5246 case BlackKingSideCastle:
5247 case BlackQueenSideCastle:
5248 case WhiteKingSideCastleWild:
5249 case WhiteQueenSideCastleWild:
5250 case BlackKingSideCastleWild:
5251 case BlackQueenSideCastleWild:
5252 /* Code added by Tord: */
5253 case WhiteHSideCastleFR:
5254 case WhiteASideCastleFR:
5255 case BlackHSideCastleFR:
5256 case BlackASideCastleFR:
5257 /* End of code added by Tord */
5258 case IllegalMove: /* bug or odd chess variant */
5259 *fromX = currentMoveString[0] - AAA;
5260 *fromY = currentMoveString[1] - ONE;
5261 *toX = currentMoveString[2] - AAA;
5262 *toY = currentMoveString[3] - ONE;
5263 *promoChar = currentMoveString[4];
5264 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5265 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5266 if (appData.debugMode) {
5267 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5269 *fromX = *fromY = *toX = *toY = 0;
5272 if (appData.testLegality) {
5273 return (*moveType != IllegalMove);
5275 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5276 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5281 *fromX = *moveType == WhiteDrop ?
5282 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5283 (int) CharToPiece(ToLower(currentMoveString[0]));
5285 *toX = currentMoveString[2] - AAA;
5286 *toY = currentMoveString[3] - ONE;
5287 *promoChar = NULLCHAR;
5291 case ImpossibleMove:
5301 if (appData.debugMode) {
5302 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5305 *fromX = *fromY = *toX = *toY = 0;
5306 *promoChar = NULLCHAR;
5311 Boolean pushed = FALSE;
5312 char *lastParseAttempt;
5315 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5316 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5317 int fromX, fromY, toX, toY; char promoChar;
5322 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5323 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5326 endPV = forwardMostMove;
5328 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5329 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5330 lastParseAttempt = pv;
5331 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5332 if(appData.debugMode){
5333 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
5335 if(!valid && nr == 0 &&
5336 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5337 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5338 // Hande case where played move is different from leading PV move
5339 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5340 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5341 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5342 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5343 endPV += 2; // if position different, keep this
5344 moveList[endPV-1][0] = fromX + AAA;
5345 moveList[endPV-1][1] = fromY + ONE;
5346 moveList[endPV-1][2] = toX + AAA;
5347 moveList[endPV-1][3] = toY + ONE;
5348 parseList[endPV-1][0] = NULLCHAR;
5349 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5352 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5353 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5354 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5355 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5356 valid++; // allow comments in PV
5360 if(endPV+1 > framePtr) break; // no space, truncate
5363 CopyBoard(boards[endPV], boards[endPV-1]);
5364 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5365 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5366 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5367 CoordsToAlgebraic(boards[endPV - 1],
5368 PosFlags(endPV - 1),
5369 fromY, fromX, toY, toX, promoChar,
5370 parseList[endPV - 1]);
5372 if(atEnd == 2) return; // used hidden, for PV conversion
5373 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5374 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5375 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5376 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5377 DrawPosition(TRUE, boards[currentMove]);
5381 MultiPV (ChessProgramState *cps)
5382 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5384 for(i=0; i<cps->nrOptions; i++)
5385 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5391 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5393 int startPV, multi, lineStart, origIndex = index;
5394 char *p, buf2[MSG_SIZ];
5396 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5397 lastX = x; lastY = y;
5398 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5399 lineStart = startPV = index;
5400 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5401 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5403 do{ while(buf[index] && buf[index] != '\n') index++;
5404 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5406 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5407 int n = first.option[multi].value;
5408 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5409 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5410 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5411 first.option[multi].value = n;
5415 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5416 *start = startPV; *end = index-1;
5423 static char buf[10*MSG_SIZ];
5424 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5426 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5427 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5428 for(i = forwardMostMove; i<endPV; i++){
5429 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5430 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5433 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5434 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5440 LoadPV (int x, int y)
5441 { // called on right mouse click to load PV
5442 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5443 lastX = x; lastY = y;
5444 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5451 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5452 if(endPV < 0) return;
5454 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5455 Boolean saveAnimate = appData.animate;
5457 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5458 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5459 } else storedGames--; // abandon shelved tail of original game
5462 forwardMostMove = currentMove;
5463 currentMove = oldFMM;
5464 appData.animate = FALSE;
5465 ToNrEvent(forwardMostMove);
5466 appData.animate = saveAnimate;
5468 currentMove = forwardMostMove;
5469 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5470 ClearPremoveHighlights();
5471 DrawPosition(TRUE, boards[currentMove]);
5475 MovePV (int x, int y, int h)
5476 { // step through PV based on mouse coordinates (called on mouse move)
5477 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5479 // we must somehow check if right button is still down (might be released off board!)
5480 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5481 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5482 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5484 lastX = x; lastY = y;
5486 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5487 if(endPV < 0) return;
5488 if(y < margin) step = 1; else
5489 if(y > h - margin) step = -1;
5490 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5491 currentMove += step;
5492 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5493 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5494 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5495 DrawPosition(FALSE, boards[currentMove]);
5499 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5500 // All positions will have equal probability, but the current method will not provide a unique
5501 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5507 int piecesLeft[(int)BlackPawn];
5508 int seed, nrOfShuffles;
5511 GetPositionNumber ()
5512 { // sets global variable seed
5515 seed = appData.defaultFrcPosition;
5516 if(seed < 0) { // randomize based on time for negative FRC position numbers
5517 for(i=0; i<50; i++) seed += random();
5518 seed = random() ^ random() >> 8 ^ random() << 8;
5519 if(seed<0) seed = -seed;
5524 put (Board board, int pieceType, int rank, int n, int shade)
5525 // put the piece on the (n-1)-th empty squares of the given shade
5529 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5530 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5531 board[rank][i] = (ChessSquare) pieceType;
5532 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5534 piecesLeft[pieceType]--;
5543 AddOnePiece (Board board, int pieceType, int rank, int shade)
5544 // calculate where the next piece goes, (any empty square), and put it there
5548 i = seed % squaresLeft[shade];
5549 nrOfShuffles *= squaresLeft[shade];
5550 seed /= squaresLeft[shade];
5551 put(board, pieceType, rank, i, shade);
5555 AddTwoPieces (Board board, int pieceType, int rank)
5556 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5558 int i, n=squaresLeft[ANY], j=n-1, k;
5560 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5561 i = seed % k; // pick one
5564 while(i >= j) i -= j--;
5565 j = n - 1 - j; i += j;
5566 put(board, pieceType, rank, j, ANY);
5567 put(board, pieceType, rank, i, ANY);
5571 SetUpShuffle (Board board, int number)
5575 GetPositionNumber(); nrOfShuffles = 1;
5577 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5578 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5579 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5581 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5583 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5584 p = (int) board[0][i];
5585 if(p < (int) BlackPawn) piecesLeft[p] ++;
5586 board[0][i] = EmptySquare;
5589 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5590 // shuffles restricted to allow normal castling put KRR first
5591 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5592 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5593 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5594 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5595 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5596 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5597 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5598 put(board, WhiteRook, 0, 0, ANY);
5599 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5602 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5603 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5604 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5605 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5606 while(piecesLeft[p] >= 2) {
5607 AddOnePiece(board, p, 0, LITE);
5608 AddOnePiece(board, p, 0, DARK);
5610 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5613 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5614 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5615 // but we leave King and Rooks for last, to possibly obey FRC restriction
5616 if(p == (int)WhiteRook) continue;
5617 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5618 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5621 // now everything is placed, except perhaps King (Unicorn) and Rooks
5623 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5624 // Last King gets castling rights
5625 while(piecesLeft[(int)WhiteUnicorn]) {
5626 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5627 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5630 while(piecesLeft[(int)WhiteKing]) {
5631 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5632 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5637 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5638 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5641 // Only Rooks can be left; simply place them all
5642 while(piecesLeft[(int)WhiteRook]) {
5643 i = put(board, WhiteRook, 0, 0, ANY);
5644 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5647 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5649 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5652 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5653 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5656 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5660 SetCharTable (char *table, const char * map)
5661 /* [HGM] moved here from winboard.c because of its general usefulness */
5662 /* Basically a safe strcpy that uses the last character as King */
5664 int result = FALSE; int NrPieces;
5666 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5667 && NrPieces >= 12 && !(NrPieces&1)) {
5668 int i; /* [HGM] Accept even length from 12 to 34 */
5670 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5671 for( i=0; i<NrPieces/2-1; i++ ) {
5673 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5675 table[(int) WhiteKing] = map[NrPieces/2-1];
5676 table[(int) BlackKing] = map[NrPieces-1];
5685 Prelude (Board board)
5686 { // [HGM] superchess: random selection of exo-pieces
5687 int i, j, k; ChessSquare p;
5688 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5690 GetPositionNumber(); // use FRC position number
5692 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5693 SetCharTable(pieceToChar, appData.pieceToCharTable);
5694 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5695 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5698 j = seed%4; seed /= 4;
5699 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5700 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5701 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5702 j = seed%3 + (seed%3 >= j); seed /= 3;
5703 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5704 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5705 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5706 j = seed%3; seed /= 3;
5707 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5708 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5709 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5710 j = seed%2 + (seed%2 >= j); seed /= 2;
5711 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5712 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5713 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5714 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5715 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5716 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5717 put(board, exoPieces[0], 0, 0, ANY);
5718 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5722 InitPosition (int redraw)
5724 ChessSquare (* pieces)[BOARD_FILES];
5725 int i, j, pawnRow, overrule,
5726 oldx = gameInfo.boardWidth,
5727 oldy = gameInfo.boardHeight,
5728 oldh = gameInfo.holdingsWidth;
5731 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5733 /* [AS] Initialize pv info list [HGM] and game status */
5735 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5736 pvInfoList[i].depth = 0;
5737 boards[i][EP_STATUS] = EP_NONE;
5738 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5741 initialRulePlies = 0; /* 50-move counter start */
5743 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5744 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5748 /* [HGM] logic here is completely changed. In stead of full positions */
5749 /* the initialized data only consist of the two backranks. The switch */
5750 /* selects which one we will use, which is than copied to the Board */
5751 /* initialPosition, which for the rest is initialized by Pawns and */
5752 /* empty squares. This initial position is then copied to boards[0], */
5753 /* possibly after shuffling, so that it remains available. */
5755 gameInfo.holdingsWidth = 0; /* default board sizes */
5756 gameInfo.boardWidth = 8;
5757 gameInfo.boardHeight = 8;
5758 gameInfo.holdingsSize = 0;
5759 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5760 for(i=0; i<BOARD_FILES-2; i++)
5761 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5762 initialPosition[EP_STATUS] = EP_NONE;
5763 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5764 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5765 SetCharTable(pieceNickName, appData.pieceNickNames);
5766 else SetCharTable(pieceNickName, "............");
5769 switch (gameInfo.variant) {
5770 case VariantFischeRandom:
5771 shuffleOpenings = TRUE;
5774 case VariantShatranj:
5775 pieces = ShatranjArray;
5776 nrCastlingRights = 0;
5777 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5780 pieces = makrukArray;
5781 nrCastlingRights = 0;
5782 startedFromSetupPosition = TRUE;
5783 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5785 case VariantTwoKings:
5786 pieces = twoKingsArray;
5789 pieces = GrandArray;
5790 nrCastlingRights = 0;
5791 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5792 gameInfo.boardWidth = 10;
5793 gameInfo.boardHeight = 10;
5794 gameInfo.holdingsSize = 7;
5796 case VariantCapaRandom:
5797 shuffleOpenings = TRUE;
5798 case VariantCapablanca:
5799 pieces = CapablancaArray;
5800 gameInfo.boardWidth = 10;
5801 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5804 pieces = GothicArray;
5805 gameInfo.boardWidth = 10;
5806 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5809 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5810 gameInfo.holdingsSize = 7;
5813 pieces = JanusArray;
5814 gameInfo.boardWidth = 10;
5815 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5816 nrCastlingRights = 6;
5817 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5818 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5819 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5820 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5821 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5822 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5825 pieces = FalconArray;
5826 gameInfo.boardWidth = 10;
5827 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5829 case VariantXiangqi:
5830 pieces = XiangqiArray;
5831 gameInfo.boardWidth = 9;
5832 gameInfo.boardHeight = 10;
5833 nrCastlingRights = 0;
5834 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5837 pieces = ShogiArray;
5838 gameInfo.boardWidth = 9;
5839 gameInfo.boardHeight = 9;
5840 gameInfo.holdingsSize = 7;
5841 nrCastlingRights = 0;
5842 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5844 case VariantCourier:
5845 pieces = CourierArray;
5846 gameInfo.boardWidth = 12;
5847 nrCastlingRights = 0;
5848 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5850 case VariantKnightmate:
5851 pieces = KnightmateArray;
5852 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5854 case VariantSpartan:
5855 pieces = SpartanArray;
5856 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5859 pieces = fairyArray;
5860 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5863 pieces = GreatArray;
5864 gameInfo.boardWidth = 10;
5865 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5866 gameInfo.holdingsSize = 8;
5870 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5871 gameInfo.holdingsSize = 8;
5872 startedFromSetupPosition = TRUE;
5874 case VariantCrazyhouse:
5875 case VariantBughouse:
5877 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5878 gameInfo.holdingsSize = 5;
5880 case VariantWildCastle:
5882 /* !!?shuffle with kings guaranteed to be on d or e file */
5883 shuffleOpenings = 1;
5885 case VariantNoCastle:
5887 nrCastlingRights = 0;
5888 /* !!?unconstrained back-rank shuffle */
5889 shuffleOpenings = 1;
5894 if(appData.NrFiles >= 0) {
5895 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5896 gameInfo.boardWidth = appData.NrFiles;
5898 if(appData.NrRanks >= 0) {
5899 gameInfo.boardHeight = appData.NrRanks;
5901 if(appData.holdingsSize >= 0) {
5902 i = appData.holdingsSize;
5903 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5904 gameInfo.holdingsSize = i;
5906 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5907 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5908 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5910 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5911 if(pawnRow < 1) pawnRow = 1;
5912 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5914 /* User pieceToChar list overrules defaults */
5915 if(appData.pieceToCharTable != NULL)
5916 SetCharTable(pieceToChar, appData.pieceToCharTable);
5918 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5920 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5921 s = (ChessSquare) 0; /* account holding counts in guard band */
5922 for( i=0; i<BOARD_HEIGHT; i++ )
5923 initialPosition[i][j] = s;
5925 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5926 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5927 initialPosition[pawnRow][j] = WhitePawn;
5928 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5929 if(gameInfo.variant == VariantXiangqi) {
5931 initialPosition[pawnRow][j] =
5932 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5933 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5934 initialPosition[2][j] = WhiteCannon;
5935 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5939 if(gameInfo.variant == VariantGrand) {
5940 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5941 initialPosition[0][j] = WhiteRook;
5942 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5945 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5947 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5950 initialPosition[1][j] = WhiteBishop;
5951 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5953 initialPosition[1][j] = WhiteRook;
5954 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5957 if( nrCastlingRights == -1) {
5958 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5959 /* This sets default castling rights from none to normal corners */
5960 /* Variants with other castling rights must set them themselves above */
5961 nrCastlingRights = 6;
5963 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5964 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5965 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5966 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5967 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5968 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5971 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5972 if(gameInfo.variant == VariantGreat) { // promotion commoners
5973 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5974 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5975 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5976 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5978 if( gameInfo.variant == VariantSChess ) {
5979 initialPosition[1][0] = BlackMarshall;
5980 initialPosition[2][0] = BlackAngel;
5981 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5982 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5983 initialPosition[1][1] = initialPosition[2][1] =
5984 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5986 if (appData.debugMode) {
5987 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5989 if(shuffleOpenings) {
5990 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5991 startedFromSetupPosition = TRUE;
5993 if(startedFromPositionFile) {
5994 /* [HGM] loadPos: use PositionFile for every new game */
5995 CopyBoard(initialPosition, filePosition);
5996 for(i=0; i<nrCastlingRights; i++)
5997 initialRights[i] = filePosition[CASTLING][i];
5998 startedFromSetupPosition = TRUE;
6001 CopyBoard(boards[0], initialPosition);
6003 if(oldx != gameInfo.boardWidth ||
6004 oldy != gameInfo.boardHeight ||
6005 oldv != gameInfo.variant ||
6006 oldh != gameInfo.holdingsWidth
6008 InitDrawingSizes(-2 ,0);
6010 oldv = gameInfo.variant;
6012 DrawPosition(TRUE, boards[currentMove]);
6016 SendBoard (ChessProgramState *cps, int moveNum)
6018 char message[MSG_SIZ];
6020 if (cps->useSetboard) {
6021 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6022 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6023 SendToProgram(message, cps);
6028 int i, j, left=0, right=BOARD_WIDTH;
6029 /* Kludge to set black to move, avoiding the troublesome and now
6030 * deprecated "black" command.
6032 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6033 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6035 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6037 SendToProgram("edit\n", cps);
6038 SendToProgram("#\n", cps);
6039 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6040 bp = &boards[moveNum][i][left];
6041 for (j = left; j < right; j++, bp++) {
6042 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6043 if ((int) *bp < (int) BlackPawn) {
6044 if(j == BOARD_RGHT+1)
6045 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6046 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6047 if(message[0] == '+' || message[0] == '~') {
6048 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6049 PieceToChar((ChessSquare)(DEMOTED *bp)),
6052 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6053 message[1] = BOARD_RGHT - 1 - j + '1';
6054 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6056 SendToProgram(message, cps);
6061 SendToProgram("c\n", cps);
6062 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6063 bp = &boards[moveNum][i][left];
6064 for (j = left; j < right; j++, bp++) {
6065 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6066 if (((int) *bp != (int) EmptySquare)
6067 && ((int) *bp >= (int) BlackPawn)) {
6068 if(j == BOARD_LEFT-2)
6069 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6070 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6072 if(message[0] == '+' || message[0] == '~') {
6073 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6074 PieceToChar((ChessSquare)(DEMOTED *bp)),
6077 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6078 message[1] = BOARD_RGHT - 1 - j + '1';
6079 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6081 SendToProgram(message, cps);
6086 SendToProgram(".\n", cps);
6088 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6092 DefaultPromoChoice (int white)
6095 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6096 result = WhiteFerz; // no choice
6097 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6098 result= WhiteKing; // in Suicide Q is the last thing we want
6099 else if(gameInfo.variant == VariantSpartan)
6100 result = white ? WhiteQueen : WhiteAngel;
6101 else result = WhiteQueen;
6102 if(!white) result = WHITE_TO_BLACK result;
6106 static int autoQueen; // [HGM] oneclick
6109 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6111 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6112 /* [HGM] add Shogi promotions */
6113 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6118 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6119 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6121 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6122 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6125 piece = boards[currentMove][fromY][fromX];
6126 if(gameInfo.variant == VariantShogi) {
6127 promotionZoneSize = BOARD_HEIGHT/3;
6128 highestPromotingPiece = (int)WhiteFerz;
6129 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6130 promotionZoneSize = 3;
6133 // Treat Lance as Pawn when it is not representing Amazon
6134 if(gameInfo.variant != VariantSuper) {
6135 if(piece == WhiteLance) piece = WhitePawn; else
6136 if(piece == BlackLance) piece = BlackPawn;
6139 // next weed out all moves that do not touch the promotion zone at all
6140 if((int)piece >= BlackPawn) {
6141 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6143 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6145 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6146 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6149 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6151 // weed out mandatory Shogi promotions
6152 if(gameInfo.variant == VariantShogi) {
6153 if(piece >= BlackPawn) {
6154 if(toY == 0 && piece == BlackPawn ||
6155 toY == 0 && piece == BlackQueen ||
6156 toY <= 1 && piece == BlackKnight) {
6161 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6162 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6163 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6170 // weed out obviously illegal Pawn moves
6171 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6172 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6173 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6174 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6175 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6176 // note we are not allowed to test for valid (non-)capture, due to premove
6179 // we either have a choice what to promote to, or (in Shogi) whether to promote
6180 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6181 *promoChoice = PieceToChar(BlackFerz); // no choice
6184 // no sense asking what we must promote to if it is going to explode...
6185 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6186 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6189 // give caller the default choice even if we will not make it
6190 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6191 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6192 if( sweepSelect && gameInfo.variant != VariantGreat
6193 && gameInfo.variant != VariantGrand
6194 && gameInfo.variant != VariantSuper) return FALSE;
6195 if(autoQueen) return FALSE; // predetermined
6197 // suppress promotion popup on illegal moves that are not premoves
6198 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6199 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6200 if(appData.testLegality && !premove) {
6201 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6202 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6203 if(moveType != WhitePromotion && moveType != BlackPromotion)
6211 InPalace (int row, int column)
6212 { /* [HGM] for Xiangqi */
6213 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6214 column < (BOARD_WIDTH + 4)/2 &&
6215 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6220 PieceForSquare (int x, int y)
6222 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6225 return boards[currentMove][y][x];
6229 OKToStartUserMove (int x, int y)
6231 ChessSquare from_piece;
6234 if (matchMode) return FALSE;
6235 if (gameMode == EditPosition) return TRUE;
6237 if (x >= 0 && y >= 0)
6238 from_piece = boards[currentMove][y][x];
6240 from_piece = EmptySquare;
6242 if (from_piece == EmptySquare) return FALSE;
6244 white_piece = (int)from_piece >= (int)WhitePawn &&
6245 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6249 case TwoMachinesPlay:
6257 case MachinePlaysWhite:
6258 case IcsPlayingBlack:
6259 if (appData.zippyPlay) return FALSE;
6261 DisplayMoveError(_("You are playing Black"));
6266 case MachinePlaysBlack:
6267 case IcsPlayingWhite:
6268 if (appData.zippyPlay) return FALSE;
6270 DisplayMoveError(_("You are playing White"));
6275 case PlayFromGameFile:
6276 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6278 if (!white_piece && WhiteOnMove(currentMove)) {
6279 DisplayMoveError(_("It is White's turn"));
6282 if (white_piece && !WhiteOnMove(currentMove)) {
6283 DisplayMoveError(_("It is Black's turn"));
6286 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6287 /* Editing correspondence game history */
6288 /* Could disallow this or prompt for confirmation */
6293 case BeginningOfGame:
6294 if (appData.icsActive) return FALSE;
6295 if (!appData.noChessProgram) {
6297 DisplayMoveError(_("You are playing White"));
6304 if (!white_piece && WhiteOnMove(currentMove)) {
6305 DisplayMoveError(_("It is White's turn"));
6308 if (white_piece && !WhiteOnMove(currentMove)) {
6309 DisplayMoveError(_("It is Black's turn"));
6318 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6319 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6320 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6321 && gameMode != AnalyzeFile && gameMode != Training) {
6322 DisplayMoveError(_("Displayed position is not current"));
6329 OnlyMove (int *x, int *y, Boolean captures)
6331 DisambiguateClosure cl;
6332 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6334 case MachinePlaysBlack:
6335 case IcsPlayingWhite:
6336 case BeginningOfGame:
6337 if(!WhiteOnMove(currentMove)) return FALSE;
6339 case MachinePlaysWhite:
6340 case IcsPlayingBlack:
6341 if(WhiteOnMove(currentMove)) return FALSE;
6348 cl.pieceIn = EmptySquare;
6353 cl.promoCharIn = NULLCHAR;
6354 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6355 if( cl.kind == NormalMove ||
6356 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6357 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6358 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6365 if(cl.kind != ImpossibleMove) return FALSE;
6366 cl.pieceIn = EmptySquare;
6371 cl.promoCharIn = NULLCHAR;
6372 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6373 if( cl.kind == NormalMove ||
6374 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6375 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6376 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6381 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6387 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6388 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6389 int lastLoadGameUseList = FALSE;
6390 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6391 ChessMove lastLoadGameStart = EndOfFile;
6394 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6397 ChessSquare pdown, pup;
6399 /* Check if the user is playing in turn. This is complicated because we
6400 let the user "pick up" a piece before it is his turn. So the piece he
6401 tried to pick up may have been captured by the time he puts it down!
6402 Therefore we use the color the user is supposed to be playing in this
6403 test, not the color of the piece that is currently on the starting
6404 square---except in EditGame mode, where the user is playing both
6405 sides; fortunately there the capture race can't happen. (It can
6406 now happen in IcsExamining mode, but that's just too bad. The user
6407 will get a somewhat confusing message in that case.)
6412 case TwoMachinesPlay:
6416 /* We switched into a game mode where moves are not accepted,
6417 perhaps while the mouse button was down. */
6420 case MachinePlaysWhite:
6421 /* User is moving for Black */
6422 if (WhiteOnMove(currentMove)) {
6423 DisplayMoveError(_("It is White's turn"));
6428 case MachinePlaysBlack:
6429 /* User is moving for White */
6430 if (!WhiteOnMove(currentMove)) {
6431 DisplayMoveError(_("It is Black's turn"));
6436 case PlayFromGameFile:
6437 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6440 case BeginningOfGame:
6443 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6444 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6445 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6446 /* User is moving for Black */
6447 if (WhiteOnMove(currentMove)) {
6448 DisplayMoveError(_("It is White's turn"));
6452 /* User is moving for White */
6453 if (!WhiteOnMove(currentMove)) {
6454 DisplayMoveError(_("It is Black's turn"));
6460 case IcsPlayingBlack:
6461 /* User is moving for Black */
6462 if (WhiteOnMove(currentMove)) {
6463 if (!appData.premove) {
6464 DisplayMoveError(_("It is White's turn"));
6465 } else if (toX >= 0 && toY >= 0) {
6468 premoveFromX = fromX;
6469 premoveFromY = fromY;
6470 premovePromoChar = promoChar;
6472 if (appData.debugMode)
6473 fprintf(debugFP, "Got premove: fromX %d,"
6474 "fromY %d, toX %d, toY %d\n",
6475 fromX, fromY, toX, toY);
6481 case IcsPlayingWhite:
6482 /* User is moving for White */
6483 if (!WhiteOnMove(currentMove)) {
6484 if (!appData.premove) {
6485 DisplayMoveError(_("It is Black's turn"));
6486 } else if (toX >= 0 && toY >= 0) {
6489 premoveFromX = fromX;
6490 premoveFromY = fromY;
6491 premovePromoChar = promoChar;
6493 if (appData.debugMode)
6494 fprintf(debugFP, "Got premove: fromX %d,"
6495 "fromY %d, toX %d, toY %d\n",
6496 fromX, fromY, toX, toY);
6506 /* EditPosition, empty square, or different color piece;
6507 click-click move is possible */
6508 if (toX == -2 || toY == -2) {
6509 boards[0][fromY][fromX] = EmptySquare;
6510 DrawPosition(FALSE, boards[currentMove]);
6512 } else if (toX >= 0 && toY >= 0) {
6513 boards[0][toY][toX] = boards[0][fromY][fromX];
6514 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6515 if(boards[0][fromY][0] != EmptySquare) {
6516 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6517 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6520 if(fromX == BOARD_RGHT+1) {
6521 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6522 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6523 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6526 boards[0][fromY][fromX] = EmptySquare;
6527 DrawPosition(FALSE, boards[currentMove]);
6533 if(toX < 0 || toY < 0) return;
6534 pdown = boards[currentMove][fromY][fromX];
6535 pup = boards[currentMove][toY][toX];
6537 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6538 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6539 if( pup != EmptySquare ) return;
6540 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6541 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6542 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6543 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6544 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6545 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6546 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6550 /* [HGM] always test for legality, to get promotion info */
6551 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6552 fromY, fromX, toY, toX, promoChar);
6554 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6556 /* [HGM] but possibly ignore an IllegalMove result */
6557 if (appData.testLegality) {
6558 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6559 DisplayMoveError(_("Illegal move"));
6564 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6567 /* Common tail of UserMoveEvent and DropMenuEvent */
6569 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6573 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6574 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6575 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6576 if(WhiteOnMove(currentMove)) {
6577 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6579 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6583 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6584 move type in caller when we know the move is a legal promotion */
6585 if(moveType == NormalMove && promoChar)
6586 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6588 /* [HGM] <popupFix> The following if has been moved here from
6589 UserMoveEvent(). Because it seemed to belong here (why not allow
6590 piece drops in training games?), and because it can only be
6591 performed after it is known to what we promote. */
6592 if (gameMode == Training) {
6593 /* compare the move played on the board to the next move in the
6594 * game. If they match, display the move and the opponent's response.
6595 * If they don't match, display an error message.
6599 CopyBoard(testBoard, boards[currentMove]);
6600 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6602 if (CompareBoards(testBoard, boards[currentMove+1])) {
6603 ForwardInner(currentMove+1);
6605 /* Autoplay the opponent's response.
6606 * if appData.animate was TRUE when Training mode was entered,
6607 * the response will be animated.
6609 saveAnimate = appData.animate;
6610 appData.animate = animateTraining;
6611 ForwardInner(currentMove+1);
6612 appData.animate = saveAnimate;
6614 /* check for the end of the game */
6615 if (currentMove >= forwardMostMove) {
6616 gameMode = PlayFromGameFile;
6618 SetTrainingModeOff();
6619 DisplayInformation(_("End of game"));
6622 DisplayError(_("Incorrect move"), 0);
6627 /* Ok, now we know that the move is good, so we can kill
6628 the previous line in Analysis Mode */
6629 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6630 && currentMove < forwardMostMove) {
6631 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6632 else forwardMostMove = currentMove;
6635 /* If we need the chess program but it's dead, restart it */
6636 ResurrectChessProgram();
6638 /* A user move restarts a paused game*/
6642 thinkOutput[0] = NULLCHAR;
6644 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6646 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6647 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6651 if (gameMode == BeginningOfGame) {
6652 if (appData.noChessProgram) {
6653 gameMode = EditGame;
6657 gameMode = MachinePlaysBlack;
6660 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6662 if (first.sendName) {
6663 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6664 SendToProgram(buf, &first);
6671 /* Relay move to ICS or chess engine */
6672 if (appData.icsActive) {
6673 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6674 gameMode == IcsExamining) {
6675 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6676 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6678 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6680 // also send plain move, in case ICS does not understand atomic claims
6681 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6685 if (first.sendTime && (gameMode == BeginningOfGame ||
6686 gameMode == MachinePlaysWhite ||
6687 gameMode == MachinePlaysBlack)) {
6688 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6690 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6691 // [HGM] book: if program might be playing, let it use book
6692 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6693 first.maybeThinking = TRUE;
6694 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6695 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6696 SendBoard(&first, currentMove+1);
6697 } else SendMoveToProgram(forwardMostMove-1, &first);
6698 if (currentMove == cmailOldMove + 1) {
6699 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6703 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6707 if(appData.testLegality)
6708 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6714 if (WhiteOnMove(currentMove)) {
6715 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6717 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6721 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6726 case MachinePlaysBlack:
6727 case MachinePlaysWhite:
6728 /* disable certain menu options while machine is thinking */
6729 SetMachineThinkingEnables();
6736 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6737 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6739 if(bookHit) { // [HGM] book: simulate book reply
6740 static char bookMove[MSG_SIZ]; // a bit generous?
6742 programStats.nodes = programStats.depth = programStats.time =
6743 programStats.score = programStats.got_only_move = 0;
6744 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6746 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6747 strcat(bookMove, bookHit);
6748 HandleMachineMove(bookMove, &first);
6754 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6756 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6757 Markers *m = (Markers *) closure;
6758 if(rf == fromY && ff == fromX)
6759 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6760 || kind == WhiteCapturesEnPassant
6761 || kind == BlackCapturesEnPassant);
6762 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6766 MarkTargetSquares (int clear)
6769 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6770 !appData.testLegality || gameMode == EditPosition) return;
6772 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6775 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6776 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6777 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6779 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6782 DrawPosition(TRUE, NULL);
6786 Explode (Board board, int fromX, int fromY, int toX, int toY)
6788 if(gameInfo.variant == VariantAtomic &&
6789 (board[toY][toX] != EmptySquare || // capture?
6790 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6791 board[fromY][fromX] == BlackPawn )
6793 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6799 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6802 CanPromote (ChessSquare piece, int y)
6804 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6805 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6806 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6807 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6808 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6809 gameInfo.variant == VariantMakruk) return FALSE;
6810 return (piece == BlackPawn && y == 1 ||
6811 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6812 piece == BlackLance && y == 1 ||
6813 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6817 LeftClick (ClickType clickType, int xPix, int yPix)
6820 Boolean saveAnimate;
6821 static int second = 0, promotionChoice = 0, clearFlag = 0;
6822 char promoChoice = NULLCHAR;
6825 if(appData.seekGraph && appData.icsActive && loggedOn &&
6826 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6827 SeekGraphClick(clickType, xPix, yPix, 0);
6831 if (clickType == Press) ErrorPopDown();
6833 x = EventToSquare(xPix, BOARD_WIDTH);
6834 y = EventToSquare(yPix, BOARD_HEIGHT);
6835 if (!flipView && y >= 0) {
6836 y = BOARD_HEIGHT - 1 - y;
6838 if (flipView && x >= 0) {
6839 x = BOARD_WIDTH - 1 - x;
6842 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6843 defaultPromoChoice = promoSweep;
6844 promoSweep = EmptySquare; // terminate sweep
6845 promoDefaultAltered = TRUE;
6846 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6849 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6850 if(clickType == Release) return; // ignore upclick of click-click destination
6851 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6852 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6853 if(gameInfo.holdingsWidth &&
6854 (WhiteOnMove(currentMove)
6855 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6856 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6857 // click in right holdings, for determining promotion piece
6858 ChessSquare p = boards[currentMove][y][x];
6859 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6860 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6861 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6862 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6867 DrawPosition(FALSE, boards[currentMove]);
6871 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6872 if(clickType == Press
6873 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6874 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6875 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6878 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6879 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6881 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6882 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6883 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6884 defaultPromoChoice = DefaultPromoChoice(side);
6887 autoQueen = appData.alwaysPromoteToQueen;
6891 gatingPiece = EmptySquare;
6892 if (clickType != Press) {
6893 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6894 DragPieceEnd(xPix, yPix); dragging = 0;
6895 DrawPosition(FALSE, NULL);
6899 fromX = x; fromY = y; toX = toY = -1;
6900 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6901 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6902 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6904 if (OKToStartUserMove(fromX, fromY)) {
6906 MarkTargetSquares(0);
6907 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6908 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6909 promoSweep = defaultPromoChoice;
6910 selectFlag = 0; lastX = xPix; lastY = yPix;
6911 Sweep(0); // Pawn that is going to promote: preview promotion piece
6912 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6914 if (appData.highlightDragging) {
6915 SetHighlights(fromX, fromY, -1, -1);
6917 } else fromX = fromY = -1;
6923 if (clickType == Press && gameMode != EditPosition) {
6928 // ignore off-board to clicks
6929 if(y < 0 || x < 0) return;
6931 /* Check if clicking again on the same color piece */
6932 fromP = boards[currentMove][fromY][fromX];
6933 toP = boards[currentMove][y][x];
6934 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6935 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6936 WhitePawn <= toP && toP <= WhiteKing &&
6937 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6938 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6939 (BlackPawn <= fromP && fromP <= BlackKing &&
6940 BlackPawn <= toP && toP <= BlackKing &&
6941 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6942 !(fromP == BlackKing && toP == BlackRook && frc))) {
6943 /* Clicked again on same color piece -- changed his mind */
6944 second = (x == fromX && y == fromY);
6945 promoDefaultAltered = FALSE;
6946 MarkTargetSquares(1);
6947 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6948 if (appData.highlightDragging) {
6949 SetHighlights(x, y, -1, -1);
6953 if (OKToStartUserMove(x, y)) {
6954 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6955 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6956 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6957 gatingPiece = boards[currentMove][fromY][fromX];
6958 else gatingPiece = EmptySquare;
6960 fromY = y; dragging = 1;
6961 MarkTargetSquares(0);
6962 DragPieceBegin(xPix, yPix, FALSE);
6963 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6964 promoSweep = defaultPromoChoice;
6965 selectFlag = 0; lastX = xPix; lastY = yPix;
6966 Sweep(0); // Pawn that is going to promote: preview promotion piece
6970 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6973 // ignore clicks on holdings
6974 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6977 if (clickType == Release && x == fromX && y == fromY) {
6978 DragPieceEnd(xPix, yPix); dragging = 0;
6980 // a deferred attempt to click-click move an empty square on top of a piece
6981 boards[currentMove][y][x] = EmptySquare;
6983 DrawPosition(FALSE, boards[currentMove]);
6984 fromX = fromY = -1; clearFlag = 0;
6987 if (appData.animateDragging) {
6988 /* Undo animation damage if any */
6989 DrawPosition(FALSE, NULL);
6992 /* Second up/down in same square; just abort move */
6995 gatingPiece = EmptySquare;
6998 ClearPremoveHighlights();
7000 /* First upclick in same square; start click-click mode */
7001 SetHighlights(x, y, -1, -1);
7008 /* we now have a different from- and (possibly off-board) to-square */
7009 /* Completed move */
7012 saveAnimate = appData.animate;
7013 MarkTargetSquares(1);
7014 if (clickType == Press) {
7015 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7016 // must be Edit Position mode with empty-square selected
7017 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7018 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7021 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7022 ChessSquare piece = boards[currentMove][fromY][fromX];
7023 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7024 promoSweep = defaultPromoChoice;
7025 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7026 selectFlag = 0; lastX = xPix; lastY = yPix;
7027 Sweep(0); // Pawn that is going to promote: preview promotion piece
7028 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7029 DrawPosition(FALSE, boards[currentMove]);
7032 /* Finish clickclick move */
7033 if (appData.animate || appData.highlightLastMove) {
7034 SetHighlights(fromX, fromY, toX, toY);
7039 /* Finish drag move */
7040 if (appData.highlightLastMove) {
7041 SetHighlights(fromX, fromY, toX, toY);
7045 DragPieceEnd(xPix, yPix); dragging = 0;
7046 /* Don't animate move and drag both */
7047 appData.animate = FALSE;
7050 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7051 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7052 ChessSquare piece = boards[currentMove][fromY][fromX];
7053 if(gameMode == EditPosition && piece != EmptySquare &&
7054 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7057 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7058 n = PieceToNumber(piece - (int)BlackPawn);
7059 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7060 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7061 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7063 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7064 n = PieceToNumber(piece);
7065 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7066 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7067 boards[currentMove][n][BOARD_WIDTH-2]++;
7069 boards[currentMove][fromY][fromX] = EmptySquare;
7073 DrawPosition(TRUE, boards[currentMove]);
7077 // off-board moves should not be highlighted
7078 if(x < 0 || y < 0) ClearHighlights();
7080 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7082 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7083 SetHighlights(fromX, fromY, toX, toY);
7084 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7085 // [HGM] super: promotion to captured piece selected from holdings
7086 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7087 promotionChoice = TRUE;
7088 // kludge follows to temporarily execute move on display, without promoting yet
7089 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7090 boards[currentMove][toY][toX] = p;
7091 DrawPosition(FALSE, boards[currentMove]);
7092 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7093 boards[currentMove][toY][toX] = q;
7094 DisplayMessage("Click in holdings to choose piece", "");
7099 int oldMove = currentMove;
7100 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7101 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7102 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7103 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7104 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7105 DrawPosition(TRUE, boards[currentMove]);
7108 appData.animate = saveAnimate;
7109 if (appData.animate || appData.animateDragging) {
7110 /* Undo animation damage if needed */
7111 DrawPosition(FALSE, NULL);
7116 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7117 { // front-end-free part taken out of PieceMenuPopup
7118 int whichMenu; int xSqr, ySqr;
7120 if(seekGraphUp) { // [HGM] seekgraph
7121 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7122 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7126 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7127 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7128 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7129 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7130 if(action == Press) {
7131 originalFlip = flipView;
7132 flipView = !flipView; // temporarily flip board to see game from partners perspective
7133 DrawPosition(TRUE, partnerBoard);
7134 DisplayMessage(partnerStatus, "");
7136 } else if(action == Release) {
7137 flipView = originalFlip;
7138 DrawPosition(TRUE, boards[currentMove]);
7144 xSqr = EventToSquare(x, BOARD_WIDTH);
7145 ySqr = EventToSquare(y, BOARD_HEIGHT);
7146 if (action == Release) {
7147 if(pieceSweep != EmptySquare) {
7148 EditPositionMenuEvent(pieceSweep, toX, toY);
7149 pieceSweep = EmptySquare;
7150 } else UnLoadPV(); // [HGM] pv
7152 if (action != Press) return -2; // return code to be ignored
7155 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7157 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7158 if (xSqr < 0 || ySqr < 0) return -1;
7159 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7160 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7161 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7162 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7166 if(!appData.icsEngineAnalyze) return -1;
7167 case IcsPlayingWhite:
7168 case IcsPlayingBlack:
7169 if(!appData.zippyPlay) goto noZip;
7172 case MachinePlaysWhite:
7173 case MachinePlaysBlack:
7174 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7175 if (!appData.dropMenu) {
7177 return 2; // flag front-end to grab mouse events
7179 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7180 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7183 if (xSqr < 0 || ySqr < 0) return -1;
7184 if (!appData.dropMenu || appData.testLegality &&
7185 gameInfo.variant != VariantBughouse &&
7186 gameInfo.variant != VariantCrazyhouse) return -1;
7187 whichMenu = 1; // drop menu
7193 if (((*fromX = xSqr) < 0) ||
7194 ((*fromY = ySqr) < 0)) {
7195 *fromX = *fromY = -1;
7199 *fromX = BOARD_WIDTH - 1 - *fromX;
7201 *fromY = BOARD_HEIGHT - 1 - *fromY;
7207 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7209 // char * hint = lastHint;
7210 FrontEndProgramStats stats;
7212 stats.which = cps == &first ? 0 : 1;
7213 stats.depth = cpstats->depth;
7214 stats.nodes = cpstats->nodes;
7215 stats.score = cpstats->score;
7216 stats.time = cpstats->time;
7217 stats.pv = cpstats->movelist;
7218 stats.hint = lastHint;
7219 stats.an_move_index = 0;
7220 stats.an_move_count = 0;
7222 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7223 stats.hint = cpstats->move_name;
7224 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7225 stats.an_move_count = cpstats->nr_moves;
7228 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
7230 SetProgramStats( &stats );
7234 ClearEngineOutputPane (int which)
7236 static FrontEndProgramStats dummyStats;
7237 dummyStats.which = which;
7238 dummyStats.pv = "#";
7239 SetProgramStats( &dummyStats );
7242 #define MAXPLAYERS 500
7245 TourneyStandings (int display)
7247 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7248 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7249 char result, *p, *names[MAXPLAYERS];
7251 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7252 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7253 names[0] = p = strdup(appData.participants);
7254 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7256 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7258 while(result = appData.results[nr]) {
7259 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7260 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7261 wScore = bScore = 0;
7263 case '+': wScore = 2; break;
7264 case '-': bScore = 2; break;
7265 case '=': wScore = bScore = 1; break;
7267 case '*': return strdup("busy"); // tourney not finished
7275 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7276 for(w=0; w<nPlayers; w++) {
7278 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7279 ranking[w] = b; points[w] = bScore; score[b] = -2;
7281 p = malloc(nPlayers*34+1);
7282 for(w=0; w<nPlayers && w<display; w++)
7283 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7289 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7290 { // count all piece types
7292 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7293 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7294 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7297 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7298 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7299 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7300 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7301 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7302 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7307 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7309 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7310 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7312 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7313 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7314 if(myPawns == 2 && nMine == 3) // KPP
7315 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7316 if(myPawns == 1 && nMine == 2) // KP
7317 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7318 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7319 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7320 if(myPawns) return FALSE;
7321 if(pCnt[WhiteRook+side])
7322 return pCnt[BlackRook-side] ||
7323 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7324 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7325 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7326 if(pCnt[WhiteCannon+side]) {
7327 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7328 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7330 if(pCnt[WhiteKnight+side])
7331 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7336 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7338 VariantClass v = gameInfo.variant;
7340 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7341 if(v == VariantShatranj) return TRUE; // always winnable through baring
7342 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7343 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7345 if(v == VariantXiangqi) {
7346 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7348 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7349 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7350 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7351 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7352 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7353 if(stale) // we have at least one last-rank P plus perhaps C
7354 return majors // KPKX
7355 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7357 return pCnt[WhiteFerz+side] // KCAK
7358 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7359 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7360 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7362 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7363 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7365 if(nMine == 1) return FALSE; // bare King
7366 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
7367 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7368 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7369 // by now we have King + 1 piece (or multiple Bishops on the same color)
7370 if(pCnt[WhiteKnight+side])
7371 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7372 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7373 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7375 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7376 if(pCnt[WhiteAlfil+side])
7377 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7378 if(pCnt[WhiteWazir+side])
7379 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7386 CompareWithRights (Board b1, Board b2)
7389 if(!CompareBoards(b1, b2)) return FALSE;
7390 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7391 /* compare castling rights */
7392 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7393 rights++; /* King lost rights, while rook still had them */
7394 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7395 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7396 rights++; /* but at least one rook lost them */
7398 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7400 if( b1[CASTLING][5] != NoRights ) {
7401 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7408 Adjudicate (ChessProgramState *cps)
7409 { // [HGM] some adjudications useful with buggy engines
7410 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7411 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7412 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7413 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7414 int k, count = 0; static int bare = 1;
7415 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7416 Boolean canAdjudicate = !appData.icsActive;
7418 // most tests only when we understand the game, i.e. legality-checking on
7419 if( appData.testLegality )
7420 { /* [HGM] Some more adjudications for obstinate engines */
7421 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7422 static int moveCount = 6;
7424 char *reason = NULL;
7426 /* Count what is on board. */
7427 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7429 /* Some material-based adjudications that have to be made before stalemate test */
7430 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7431 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7432 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7433 if(canAdjudicate && appData.checkMates) {
7435 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7436 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7437 "Xboard adjudication: King destroyed", GE_XBOARD );
7442 /* Bare King in Shatranj (loses) or Losers (wins) */
7443 if( nrW == 1 || nrB == 1) {
7444 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7445 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7446 if(canAdjudicate && appData.checkMates) {
7448 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7449 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7450 "Xboard adjudication: Bare king", GE_XBOARD );
7454 if( gameInfo.variant == VariantShatranj && --bare < 0)
7456 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7457 if(canAdjudicate && appData.checkMates) {
7458 /* but only adjudicate if adjudication enabled */
7460 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7461 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7462 "Xboard adjudication: Bare king", GE_XBOARD );
7469 // don't wait for engine to announce game end if we can judge ourselves
7470 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7472 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7473 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7474 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7475 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7478 reason = "Xboard adjudication: 3rd check";
7479 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7489 reason = "Xboard adjudication: Stalemate";
7490 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7491 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7492 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7493 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7494 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7495 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7496 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7497 EP_CHECKMATE : EP_WINS);
7498 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7499 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7503 reason = "Xboard adjudication: Checkmate";
7504 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7508 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7510 result = GameIsDrawn; break;
7512 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7514 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7518 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7520 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7521 GameEnds( result, reason, GE_XBOARD );
7525 /* Next absolutely insufficient mating material. */
7526 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7527 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7528 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7530 /* always flag draws, for judging claims */
7531 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7533 if(canAdjudicate && appData.materialDraws) {
7534 /* but only adjudicate them if adjudication enabled */
7535 if(engineOpponent) {
7536 SendToProgram("force\n", engineOpponent); // suppress reply
7537 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7539 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7544 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7545 if(gameInfo.variant == VariantXiangqi ?
7546 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7548 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7549 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7550 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7551 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7553 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7554 { /* if the first 3 moves do not show a tactical win, declare draw */
7555 if(engineOpponent) {
7556 SendToProgram("force\n", engineOpponent); // suppress reply
7557 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7559 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7562 } else moveCount = 6;
7564 if (appData.debugMode) { int i;
7565 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7566 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7567 appData.drawRepeats);
7568 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7569 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7573 // Repetition draws and 50-move rule can be applied independently of legality testing
7575 /* Check for rep-draws */
7577 for(k = forwardMostMove-2;
7578 k>=backwardMostMove && k>=forwardMostMove-100 &&
7579 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7580 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7583 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7584 /* compare castling rights */
7585 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7586 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7587 rights++; /* King lost rights, while rook still had them */
7588 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7589 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7590 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7591 rights++; /* but at least one rook lost them */
7593 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7594 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7596 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7597 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7598 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7601 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7602 && appData.drawRepeats > 1) {
7603 /* adjudicate after user-specified nr of repeats */
7604 int result = GameIsDrawn;
7605 char *details = "XBoard adjudication: repetition draw";
7606 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7607 // [HGM] xiangqi: check for forbidden perpetuals
7608 int m, ourPerpetual = 1, hisPerpetual = 1;
7609 for(m=forwardMostMove; m>k; m-=2) {
7610 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7611 ourPerpetual = 0; // the current mover did not always check
7612 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7613 hisPerpetual = 0; // the opponent did not always check
7615 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7616 ourPerpetual, hisPerpetual);
7617 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7618 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7619 details = "Xboard adjudication: perpetual checking";
7621 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7622 break; // (or we would have caught him before). Abort repetition-checking loop.
7624 // Now check for perpetual chases
7625 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7626 hisPerpetual = PerpetualChase(k, forwardMostMove);
7627 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7628 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7629 static char resdet[MSG_SIZ];
7630 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7632 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7634 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7635 break; // Abort repetition-checking loop.
7637 // if neither of us is checking or chasing all the time, or both are, it is draw
7639 if(engineOpponent) {
7640 SendToProgram("force\n", engineOpponent); // suppress reply
7641 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7643 GameEnds( result, details, GE_XBOARD );
7646 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7647 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7651 /* Now we test for 50-move draws. Determine ply count */
7652 count = forwardMostMove;
7653 /* look for last irreversble move */
7654 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7656 /* if we hit starting position, add initial plies */
7657 if( count == backwardMostMove )
7658 count -= initialRulePlies;
7659 count = forwardMostMove - count;
7660 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7661 // adjust reversible move counter for checks in Xiangqi
7662 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7663 if(i < backwardMostMove) i = backwardMostMove;
7664 while(i <= forwardMostMove) {
7665 lastCheck = inCheck; // check evasion does not count
7666 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7667 if(inCheck || lastCheck) count--; // check does not count
7672 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7673 /* this is used to judge if draw claims are legal */
7674 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7675 if(engineOpponent) {
7676 SendToProgram("force\n", engineOpponent); // suppress reply
7677 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7679 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7683 /* if draw offer is pending, treat it as a draw claim
7684 * when draw condition present, to allow engines a way to
7685 * claim draws before making their move to avoid a race
7686 * condition occurring after their move
7688 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7690 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7691 p = "Draw claim: 50-move rule";
7692 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7693 p = "Draw claim: 3-fold repetition";
7694 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7695 p = "Draw claim: insufficient mating material";
7696 if( p != NULL && canAdjudicate) {
7697 if(engineOpponent) {
7698 SendToProgram("force\n", engineOpponent); // suppress reply
7699 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7701 GameEnds( GameIsDrawn, p, GE_XBOARD );
7706 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7707 if(engineOpponent) {
7708 SendToProgram("force\n", engineOpponent); // suppress reply
7709 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7711 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7718 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7719 { // [HGM] book: this routine intercepts moves to simulate book replies
7720 char *bookHit = NULL;
7722 //first determine if the incoming move brings opponent into his book
7723 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7724 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7725 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7726 if(bookHit != NULL && !cps->bookSuspend) {
7727 // make sure opponent is not going to reply after receiving move to book position
7728 SendToProgram("force\n", cps);
7729 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7731 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7732 // now arrange restart after book miss
7734 // after a book hit we never send 'go', and the code after the call to this routine
7735 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7736 char buf[MSG_SIZ], *move = bookHit;
7738 int fromX, fromY, toX, toY;
7742 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7743 &fromX, &fromY, &toX, &toY, &promoChar)) {
7744 (void) CoordsToAlgebraic(boards[forwardMostMove],
7745 PosFlags(forwardMostMove),
7746 fromY, fromX, toY, toX, promoChar, move);
7748 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7752 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7753 SendToProgram(buf, cps);
7754 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7755 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7756 SendToProgram("go\n", cps);
7757 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7758 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7759 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7760 SendToProgram("go\n", cps);
7761 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7763 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7767 ChessProgramState *savedState;
7769 DeferredBookMove (void)
7771 if(savedState->lastPing != savedState->lastPong)
7772 ScheduleDelayedEvent(DeferredBookMove, 10);
7774 HandleMachineMove(savedMessage, savedState);
7777 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7780 HandleMachineMove (char *message, ChessProgramState *cps)
7782 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7783 char realname[MSG_SIZ];
7784 int fromX, fromY, toX, toY;
7791 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7792 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7793 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7794 DisplayError(_("Invalid pairing from pairing engine"), 0);
7797 pairingReceived = 1;
7799 return; // Skim the pairing messages here.
7804 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7806 * Kludge to ignore BEL characters
7808 while (*message == '\007') message++;
7811 * [HGM] engine debug message: ignore lines starting with '#' character
7813 if(cps->debug && *message == '#') return;
7816 * Look for book output
7818 if (cps == &first && bookRequested) {
7819 if (message[0] == '\t' || message[0] == ' ') {
7820 /* Part of the book output is here; append it */
7821 strcat(bookOutput, message);
7822 strcat(bookOutput, " \n");
7824 } else if (bookOutput[0] != NULLCHAR) {
7825 /* All of book output has arrived; display it */
7826 char *p = bookOutput;
7827 while (*p != NULLCHAR) {
7828 if (*p == '\t') *p = ' ';
7831 DisplayInformation(bookOutput);
7832 bookRequested = FALSE;
7833 /* Fall through to parse the current output */
7838 * Look for machine move.
7840 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7841 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7843 /* This method is only useful on engines that support ping */
7844 if (cps->lastPing != cps->lastPong) {
7845 if (gameMode == BeginningOfGame) {
7846 /* Extra move from before last new; ignore */
7847 if (appData.debugMode) {
7848 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7851 if (appData.debugMode) {
7852 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7853 cps->which, gameMode);
7856 SendToProgram("undo\n", cps);
7862 case BeginningOfGame:
7863 /* Extra move from before last reset; ignore */
7864 if (appData.debugMode) {
7865 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7872 /* Extra move after we tried to stop. The mode test is
7873 not a reliable way of detecting this problem, but it's
7874 the best we can do on engines that don't support ping.
7876 if (appData.debugMode) {
7877 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7878 cps->which, gameMode);
7880 SendToProgram("undo\n", cps);
7883 case MachinePlaysWhite:
7884 case IcsPlayingWhite:
7885 machineWhite = TRUE;
7888 case MachinePlaysBlack:
7889 case IcsPlayingBlack:
7890 machineWhite = FALSE;
7893 case TwoMachinesPlay:
7894 machineWhite = (cps->twoMachinesColor[0] == 'w');
7897 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7898 if (appData.debugMode) {
7900 "Ignoring move out of turn by %s, gameMode %d"
7901 ", forwardMost %d\n",
7902 cps->which, gameMode, forwardMostMove);
7907 if (appData.debugMode) { int f = forwardMostMove;
7908 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7909 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7910 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7912 if(cps->alphaRank) AlphaRank(machineMove, 4);
7913 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7914 &fromX, &fromY, &toX, &toY, &promoChar)) {
7915 /* Machine move could not be parsed; ignore it. */
7916 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7917 machineMove, _(cps->which));
7918 DisplayError(buf1, 0);
7919 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7920 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7921 if (gameMode == TwoMachinesPlay) {
7922 GameEnds(machineWhite ? BlackWins : WhiteWins,
7928 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7929 /* So we have to redo legality test with true e.p. status here, */
7930 /* to make sure an illegal e.p. capture does not slip through, */
7931 /* to cause a forfeit on a justified illegal-move complaint */
7932 /* of the opponent. */
7933 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7935 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7936 fromY, fromX, toY, toX, promoChar);
7937 if (appData.debugMode) {
7939 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7940 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7941 fprintf(debugFP, "castling rights\n");
7943 if(moveType == IllegalMove) {
7944 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7945 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7946 GameEnds(machineWhite ? BlackWins : WhiteWins,
7949 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7950 /* [HGM] Kludge to handle engines that send FRC-style castling
7951 when they shouldn't (like TSCP-Gothic) */
7953 case WhiteASideCastleFR:
7954 case BlackASideCastleFR:
7956 currentMoveString[2]++;
7958 case WhiteHSideCastleFR:
7959 case BlackHSideCastleFR:
7961 currentMoveString[2]--;
7963 default: ; // nothing to do, but suppresses warning of pedantic compilers
7966 hintRequested = FALSE;
7967 lastHint[0] = NULLCHAR;
7968 bookRequested = FALSE;
7969 /* Program may be pondering now */
7970 cps->maybeThinking = TRUE;
7971 if (cps->sendTime == 2) cps->sendTime = 1;
7972 if (cps->offeredDraw) cps->offeredDraw--;
7974 /* [AS] Save move info*/
7975 pvInfoList[ forwardMostMove ].score = programStats.score;
7976 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7977 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7979 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7981 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7982 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7985 while( count < adjudicateLossPlies ) {
7986 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7989 score = -score; /* Flip score for winning side */
7992 if( score > adjudicateLossThreshold ) {
7999 if( count >= adjudicateLossPlies ) {
8000 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8002 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8003 "Xboard adjudication",
8010 if(Adjudicate(cps)) {
8011 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8012 return; // [HGM] adjudicate: for all automatic game ends
8016 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8018 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8019 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8021 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8023 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8025 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8026 char buf[3*MSG_SIZ];
8028 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8029 programStats.score / 100.,
8031 programStats.time / 100.,
8032 (unsigned int)programStats.nodes,
8033 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8034 programStats.movelist);
8036 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8041 /* [AS] Clear stats for next move */
8042 ClearProgramStats();
8043 thinkOutput[0] = NULLCHAR;
8044 hiddenThinkOutputState = 0;
8047 if (gameMode == TwoMachinesPlay) {
8048 /* [HGM] relaying draw offers moved to after reception of move */
8049 /* and interpreting offer as claim if it brings draw condition */
8050 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8051 SendToProgram("draw\n", cps->other);
8053 if (cps->other->sendTime) {
8054 SendTimeRemaining(cps->other,
8055 cps->other->twoMachinesColor[0] == 'w');
8057 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8058 if (firstMove && !bookHit) {
8060 if (cps->other->useColors) {
8061 SendToProgram(cps->other->twoMachinesColor, cps->other);
8063 SendToProgram("go\n", cps->other);
8065 cps->other->maybeThinking = TRUE;
8068 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8070 if (!pausing && appData.ringBellAfterMoves) {
8075 * Reenable menu items that were disabled while
8076 * machine was thinking
8078 if (gameMode != TwoMachinesPlay)
8079 SetUserThinkingEnables();
8081 // [HGM] book: after book hit opponent has received move and is now in force mode
8082 // force the book reply into it, and then fake that it outputted this move by jumping
8083 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8085 static char bookMove[MSG_SIZ]; // a bit generous?
8087 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8088 strcat(bookMove, bookHit);
8091 programStats.nodes = programStats.depth = programStats.time =
8092 programStats.score = programStats.got_only_move = 0;
8093 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8095 if(cps->lastPing != cps->lastPong) {
8096 savedMessage = message; // args for deferred call
8098 ScheduleDelayedEvent(DeferredBookMove, 10);
8107 /* Set special modes for chess engines. Later something general
8108 * could be added here; for now there is just one kludge feature,
8109 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8110 * when "xboard" is given as an interactive command.
8112 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8113 cps->useSigint = FALSE;
8114 cps->useSigterm = FALSE;
8116 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8117 ParseFeatures(message+8, cps);
8118 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8121 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8122 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8123 int dummy, s=6; char buf[MSG_SIZ];
8124 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8125 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8126 if(startedFromSetupPosition) return;
8127 ParseFEN(boards[0], &dummy, message+s);
8128 DrawPosition(TRUE, boards[0]);
8129 startedFromSetupPosition = TRUE;
8132 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8133 * want this, I was asked to put it in, and obliged.
8135 if (!strncmp(message, "setboard ", 9)) {
8136 Board initial_position;
8138 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8140 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8141 DisplayError(_("Bad FEN received from engine"), 0);
8145 CopyBoard(boards[0], initial_position);
8146 initialRulePlies = FENrulePlies;
8147 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8148 else gameMode = MachinePlaysBlack;
8149 DrawPosition(FALSE, boards[currentMove]);
8155 * Look for communication commands
8157 if (!strncmp(message, "telluser ", 9)) {
8158 if(message[9] == '\\' && message[10] == '\\')
8159 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8161 DisplayNote(message + 9);
8164 if (!strncmp(message, "tellusererror ", 14)) {
8166 if(message[14] == '\\' && message[15] == '\\')
8167 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8169 DisplayError(message + 14, 0);
8172 if (!strncmp(message, "tellopponent ", 13)) {
8173 if (appData.icsActive) {
8175 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8179 DisplayNote(message + 13);
8183 if (!strncmp(message, "tellothers ", 11)) {
8184 if (appData.icsActive) {
8186 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8192 if (!strncmp(message, "tellall ", 8)) {
8193 if (appData.icsActive) {
8195 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8199 DisplayNote(message + 8);
8203 if (strncmp(message, "warning", 7) == 0) {
8204 /* Undocumented feature, use tellusererror in new code */
8205 DisplayError(message, 0);
8208 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8209 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8210 strcat(realname, " query");
8211 AskQuestion(realname, buf2, buf1, cps->pr);
8214 /* Commands from the engine directly to ICS. We don't allow these to be
8215 * sent until we are logged on. Crafty kibitzes have been known to
8216 * interfere with the login process.
8219 if (!strncmp(message, "tellics ", 8)) {
8220 SendToICS(message + 8);
8224 if (!strncmp(message, "tellicsnoalias ", 15)) {
8225 SendToICS(ics_prefix);
8226 SendToICS(message + 15);
8230 /* The following are for backward compatibility only */
8231 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8232 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8233 SendToICS(ics_prefix);
8239 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8243 * If the move is illegal, cancel it and redraw the board.
8244 * Also deal with other error cases. Matching is rather loose
8245 * here to accommodate engines written before the spec.
8247 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8248 strncmp(message, "Error", 5) == 0) {
8249 if (StrStr(message, "name") ||
8250 StrStr(message, "rating") || StrStr(message, "?") ||
8251 StrStr(message, "result") || StrStr(message, "board") ||
8252 StrStr(message, "bk") || StrStr(message, "computer") ||
8253 StrStr(message, "variant") || StrStr(message, "hint") ||
8254 StrStr(message, "random") || StrStr(message, "depth") ||
8255 StrStr(message, "accepted")) {
8258 if (StrStr(message, "protover")) {
8259 /* Program is responding to input, so it's apparently done
8260 initializing, and this error message indicates it is
8261 protocol version 1. So we don't need to wait any longer
8262 for it to initialize and send feature commands. */
8263 FeatureDone(cps, 1);
8264 cps->protocolVersion = 1;
8267 cps->maybeThinking = FALSE;
8269 if (StrStr(message, "draw")) {
8270 /* Program doesn't have "draw" command */
8271 cps->sendDrawOffers = 0;
8274 if (cps->sendTime != 1 &&
8275 (StrStr(message, "time") || StrStr(message, "otim"))) {
8276 /* Program apparently doesn't have "time" or "otim" command */
8280 if (StrStr(message, "analyze")) {
8281 cps->analysisSupport = FALSE;
8282 cps->analyzing = FALSE;
8283 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8284 EditGameEvent(); // [HGM] try to preserve loaded game
8285 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8286 DisplayError(buf2, 0);
8289 if (StrStr(message, "(no matching move)st")) {
8290 /* Special kludge for GNU Chess 4 only */
8291 cps->stKludge = TRUE;
8292 SendTimeControl(cps, movesPerSession, timeControl,
8293 timeIncrement, appData.searchDepth,
8297 if (StrStr(message, "(no matching move)sd")) {
8298 /* Special kludge for GNU Chess 4 only */
8299 cps->sdKludge = TRUE;
8300 SendTimeControl(cps, movesPerSession, timeControl,
8301 timeIncrement, appData.searchDepth,
8305 if (!StrStr(message, "llegal")) {
8308 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8309 gameMode == IcsIdle) return;
8310 if (forwardMostMove <= backwardMostMove) return;
8311 if (pausing) PauseEvent();
8312 if(appData.forceIllegal) {
8313 // [HGM] illegal: machine refused move; force position after move into it
8314 SendToProgram("force\n", cps);
8315 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8316 // we have a real problem now, as SendBoard will use the a2a3 kludge
8317 // when black is to move, while there might be nothing on a2 or black
8318 // might already have the move. So send the board as if white has the move.
8319 // But first we must change the stm of the engine, as it refused the last move
8320 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8321 if(WhiteOnMove(forwardMostMove)) {
8322 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8323 SendBoard(cps, forwardMostMove); // kludgeless board
8325 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8326 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8327 SendBoard(cps, forwardMostMove+1); // kludgeless board
8329 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8330 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8331 gameMode == TwoMachinesPlay)
8332 SendToProgram("go\n", cps);
8335 if (gameMode == PlayFromGameFile) {
8336 /* Stop reading this game file */
8337 gameMode = EditGame;
8340 /* [HGM] illegal-move claim should forfeit game when Xboard */
8341 /* only passes fully legal moves */
8342 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8343 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8344 "False illegal-move claim", GE_XBOARD );
8345 return; // do not take back move we tested as valid
8347 currentMove = forwardMostMove-1;
8348 DisplayMove(currentMove-1); /* before DisplayMoveError */
8349 SwitchClocks(forwardMostMove-1); // [HGM] race
8350 DisplayBothClocks();
8351 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8352 parseList[currentMove], _(cps->which));
8353 DisplayMoveError(buf1);
8354 DrawPosition(FALSE, boards[currentMove]);
8356 SetUserThinkingEnables();
8359 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8360 /* Program has a broken "time" command that
8361 outputs a string not ending in newline.
8367 * If chess program startup fails, exit with an error message.
8368 * Attempts to recover here are futile.
8370 if ((StrStr(message, "unknown host") != NULL)
8371 || (StrStr(message, "No remote directory") != NULL)
8372 || (StrStr(message, "not found") != NULL)
8373 || (StrStr(message, "No such file") != NULL)
8374 || (StrStr(message, "can't alloc") != NULL)
8375 || (StrStr(message, "Permission denied") != NULL)) {
8377 cps->maybeThinking = FALSE;
8378 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8379 _(cps->which), cps->program, cps->host, message);
8380 RemoveInputSource(cps->isr);
8381 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8382 if(cps == &first) appData.noChessProgram = TRUE;
8383 DisplayError(buf1, 0);
8389 * Look for hint output
8391 if (sscanf(message, "Hint: %s", buf1) == 1) {
8392 if (cps == &first && hintRequested) {
8393 hintRequested = FALSE;
8394 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8395 &fromX, &fromY, &toX, &toY, &promoChar)) {
8396 (void) CoordsToAlgebraic(boards[forwardMostMove],
8397 PosFlags(forwardMostMove),
8398 fromY, fromX, toY, toX, promoChar, buf1);
8399 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8400 DisplayInformation(buf2);
8402 /* Hint move could not be parsed!? */
8403 snprintf(buf2, sizeof(buf2),
8404 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8405 buf1, _(cps->which));
8406 DisplayError(buf2, 0);
8409 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8415 * Ignore other messages if game is not in progress
8417 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8418 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8421 * look for win, lose, draw, or draw offer
8423 if (strncmp(message, "1-0", 3) == 0) {
8424 char *p, *q, *r = "";
8425 p = strchr(message, '{');
8433 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8435 } else if (strncmp(message, "0-1", 3) == 0) {
8436 char *p, *q, *r = "";
8437 p = strchr(message, '{');
8445 /* Kludge for Arasan 4.1 bug */
8446 if (strcmp(r, "Black resigns") == 0) {
8447 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8450 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8452 } else if (strncmp(message, "1/2", 3) == 0) {
8453 char *p, *q, *r = "";
8454 p = strchr(message, '{');
8463 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8466 } else if (strncmp(message, "White resign", 12) == 0) {
8467 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8469 } else if (strncmp(message, "Black resign", 12) == 0) {
8470 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8472 } else if (strncmp(message, "White matches", 13) == 0 ||
8473 strncmp(message, "Black matches", 13) == 0 ) {
8474 /* [HGM] ignore GNUShogi noises */
8476 } else if (strncmp(message, "White", 5) == 0 &&
8477 message[5] != '(' &&
8478 StrStr(message, "Black") == NULL) {
8479 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8481 } else if (strncmp(message, "Black", 5) == 0 &&
8482 message[5] != '(') {
8483 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8485 } else if (strcmp(message, "resign") == 0 ||
8486 strcmp(message, "computer resigns") == 0) {
8488 case MachinePlaysBlack:
8489 case IcsPlayingBlack:
8490 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8492 case MachinePlaysWhite:
8493 case IcsPlayingWhite:
8494 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8496 case TwoMachinesPlay:
8497 if (cps->twoMachinesColor[0] == 'w')
8498 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8500 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8507 } else if (strncmp(message, "opponent mates", 14) == 0) {
8509 case MachinePlaysBlack:
8510 case IcsPlayingBlack:
8511 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8513 case MachinePlaysWhite:
8514 case IcsPlayingWhite:
8515 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8517 case TwoMachinesPlay:
8518 if (cps->twoMachinesColor[0] == 'w')
8519 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8521 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8528 } else if (strncmp(message, "computer mates", 14) == 0) {
8530 case MachinePlaysBlack:
8531 case IcsPlayingBlack:
8532 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8534 case MachinePlaysWhite:
8535 case IcsPlayingWhite:
8536 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8538 case TwoMachinesPlay:
8539 if (cps->twoMachinesColor[0] == 'w')
8540 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8542 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8549 } else if (strncmp(message, "checkmate", 9) == 0) {
8550 if (WhiteOnMove(forwardMostMove)) {
8551 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8553 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8556 } else if (strstr(message, "Draw") != NULL ||
8557 strstr(message, "game is a draw") != NULL) {
8558 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8560 } else if (strstr(message, "offer") != NULL &&
8561 strstr(message, "draw") != NULL) {
8563 if (appData.zippyPlay && first.initDone) {
8564 /* Relay offer to ICS */
8565 SendToICS(ics_prefix);
8566 SendToICS("draw\n");
8569 cps->offeredDraw = 2; /* valid until this engine moves twice */
8570 if (gameMode == TwoMachinesPlay) {
8571 if (cps->other->offeredDraw) {
8572 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8573 /* [HGM] in two-machine mode we delay relaying draw offer */
8574 /* until after we also have move, to see if it is really claim */
8576 } else if (gameMode == MachinePlaysWhite ||
8577 gameMode == MachinePlaysBlack) {
8578 if (userOfferedDraw) {
8579 DisplayInformation(_("Machine accepts your draw offer"));
8580 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8582 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8589 * Look for thinking output
8591 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8592 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8594 int plylev, mvleft, mvtot, curscore, time;
8595 char mvname[MOVE_LEN];
8599 int prefixHint = FALSE;
8600 mvname[0] = NULLCHAR;
8603 case MachinePlaysBlack:
8604 case IcsPlayingBlack:
8605 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8607 case MachinePlaysWhite:
8608 case IcsPlayingWhite:
8609 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8614 case IcsObserving: /* [DM] icsEngineAnalyze */
8615 if (!appData.icsEngineAnalyze) ignore = TRUE;
8617 case TwoMachinesPlay:
8618 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8628 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8630 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8631 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8633 if (plyext != ' ' && plyext != '\t') {
8637 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8638 if( cps->scoreIsAbsolute &&
8639 ( gameMode == MachinePlaysBlack ||
8640 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8641 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8642 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8643 !WhiteOnMove(currentMove)
8646 curscore = -curscore;
8649 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8651 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8654 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8655 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8656 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8657 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8658 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8659 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8661 } else DisplayError(_("failed writing PV"), 0);
8664 tempStats.depth = plylev;
8665 tempStats.nodes = nodes;
8666 tempStats.time = time;
8667 tempStats.score = curscore;
8668 tempStats.got_only_move = 0;
8670 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8673 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8674 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8675 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8676 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8677 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8678 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8679 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8680 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8683 /* Buffer overflow protection */
8684 if (pv[0] != NULLCHAR) {
8685 if (strlen(pv) >= sizeof(tempStats.movelist)
8686 && appData.debugMode) {
8688 "PV is too long; using the first %u bytes.\n",
8689 (unsigned) sizeof(tempStats.movelist) - 1);
8692 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8694 sprintf(tempStats.movelist, " no PV\n");
8697 if (tempStats.seen_stat) {
8698 tempStats.ok_to_send = 1;
8701 if (strchr(tempStats.movelist, '(') != NULL) {
8702 tempStats.line_is_book = 1;
8703 tempStats.nr_moves = 0;
8704 tempStats.moves_left = 0;
8706 tempStats.line_is_book = 0;
8709 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8710 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8712 SendProgramStatsToFrontend( cps, &tempStats );
8715 [AS] Protect the thinkOutput buffer from overflow... this
8716 is only useful if buf1 hasn't overflowed first!
8718 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8720 (gameMode == TwoMachinesPlay ?
8721 ToUpper(cps->twoMachinesColor[0]) : ' '),
8722 ((double) curscore) / 100.0,
8723 prefixHint ? lastHint : "",
8724 prefixHint ? " " : "" );
8726 if( buf1[0] != NULLCHAR ) {
8727 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8729 if( strlen(pv) > max_len ) {
8730 if( appData.debugMode) {
8731 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8733 pv[max_len+1] = '\0';
8736 strcat( thinkOutput, pv);
8739 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8740 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8741 DisplayMove(currentMove - 1);
8745 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8746 /* crafty (9.25+) says "(only move) <move>"
8747 * if there is only 1 legal move
8749 sscanf(p, "(only move) %s", buf1);
8750 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8751 sprintf(programStats.movelist, "%s (only move)", buf1);
8752 programStats.depth = 1;
8753 programStats.nr_moves = 1;
8754 programStats.moves_left = 1;
8755 programStats.nodes = 1;
8756 programStats.time = 1;
8757 programStats.got_only_move = 1;
8759 /* Not really, but we also use this member to
8760 mean "line isn't going to change" (Crafty
8761 isn't searching, so stats won't change) */
8762 programStats.line_is_book = 1;
8764 SendProgramStatsToFrontend( cps, &programStats );
8766 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8767 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8768 DisplayMove(currentMove - 1);
8771 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8772 &time, &nodes, &plylev, &mvleft,
8773 &mvtot, mvname) >= 5) {
8774 /* The stat01: line is from Crafty (9.29+) in response
8775 to the "." command */
8776 programStats.seen_stat = 1;
8777 cps->maybeThinking = TRUE;
8779 if (programStats.got_only_move || !appData.periodicUpdates)
8782 programStats.depth = plylev;
8783 programStats.time = time;
8784 programStats.nodes = nodes;
8785 programStats.moves_left = mvleft;
8786 programStats.nr_moves = mvtot;
8787 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8788 programStats.ok_to_send = 1;
8789 programStats.movelist[0] = '\0';
8791 SendProgramStatsToFrontend( cps, &programStats );
8795 } else if (strncmp(message,"++",2) == 0) {
8796 /* Crafty 9.29+ outputs this */
8797 programStats.got_fail = 2;
8800 } else if (strncmp(message,"--",2) == 0) {
8801 /* Crafty 9.29+ outputs this */
8802 programStats.got_fail = 1;
8805 } else if (thinkOutput[0] != NULLCHAR &&
8806 strncmp(message, " ", 4) == 0) {
8807 unsigned message_len;
8810 while (*p && *p == ' ') p++;
8812 message_len = strlen( p );
8814 /* [AS] Avoid buffer overflow */
8815 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8816 strcat(thinkOutput, " ");
8817 strcat(thinkOutput, p);
8820 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8821 strcat(programStats.movelist, " ");
8822 strcat(programStats.movelist, p);
8825 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8826 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8827 DisplayMove(currentMove - 1);
8835 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8836 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8838 ChessProgramStats cpstats;
8840 if (plyext != ' ' && plyext != '\t') {
8844 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8845 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8846 curscore = -curscore;
8849 cpstats.depth = plylev;
8850 cpstats.nodes = nodes;
8851 cpstats.time = time;
8852 cpstats.score = curscore;
8853 cpstats.got_only_move = 0;
8854 cpstats.movelist[0] = '\0';
8856 if (buf1[0] != NULLCHAR) {
8857 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8860 cpstats.ok_to_send = 0;
8861 cpstats.line_is_book = 0;
8862 cpstats.nr_moves = 0;
8863 cpstats.moves_left = 0;
8865 SendProgramStatsToFrontend( cps, &cpstats );
8872 /* Parse a game score from the character string "game", and
8873 record it as the history of the current game. The game
8874 score is NOT assumed to start from the standard position.
8875 The display is not updated in any way.
8878 ParseGameHistory (char *game)
8881 int fromX, fromY, toX, toY, boardIndex;
8886 if (appData.debugMode)
8887 fprintf(debugFP, "Parsing game history: %s\n", game);
8889 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8890 gameInfo.site = StrSave(appData.icsHost);
8891 gameInfo.date = PGNDate();
8892 gameInfo.round = StrSave("-");
8894 /* Parse out names of players */
8895 while (*game == ' ') game++;
8897 while (*game != ' ') *p++ = *game++;
8899 gameInfo.white = StrSave(buf);
8900 while (*game == ' ') game++;
8902 while (*game != ' ' && *game != '\n') *p++ = *game++;
8904 gameInfo.black = StrSave(buf);
8907 boardIndex = blackPlaysFirst ? 1 : 0;
8910 yyboardindex = boardIndex;
8911 moveType = (ChessMove) Myylex();
8913 case IllegalMove: /* maybe suicide chess, etc. */
8914 if (appData.debugMode) {
8915 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8916 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8917 setbuf(debugFP, NULL);
8919 case WhitePromotion:
8920 case BlackPromotion:
8921 case WhiteNonPromotion:
8922 case BlackNonPromotion:
8924 case WhiteCapturesEnPassant:
8925 case BlackCapturesEnPassant:
8926 case WhiteKingSideCastle:
8927 case WhiteQueenSideCastle:
8928 case BlackKingSideCastle:
8929 case BlackQueenSideCastle:
8930 case WhiteKingSideCastleWild:
8931 case WhiteQueenSideCastleWild:
8932 case BlackKingSideCastleWild:
8933 case BlackQueenSideCastleWild:
8935 case WhiteHSideCastleFR:
8936 case WhiteASideCastleFR:
8937 case BlackHSideCastleFR:
8938 case BlackASideCastleFR:
8940 fromX = currentMoveString[0] - AAA;
8941 fromY = currentMoveString[1] - ONE;
8942 toX = currentMoveString[2] - AAA;
8943 toY = currentMoveString[3] - ONE;
8944 promoChar = currentMoveString[4];
8948 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8949 fromX = moveType == WhiteDrop ?
8950 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8951 (int) CharToPiece(ToLower(currentMoveString[0]));
8953 toX = currentMoveString[2] - AAA;
8954 toY = currentMoveString[3] - ONE;
8955 promoChar = NULLCHAR;
8959 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8960 if (appData.debugMode) {
8961 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8962 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8963 setbuf(debugFP, NULL);
8965 DisplayError(buf, 0);
8967 case ImpossibleMove:
8969 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8970 if (appData.debugMode) {
8971 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8972 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8973 setbuf(debugFP, NULL);
8975 DisplayError(buf, 0);
8978 if (boardIndex < backwardMostMove) {
8979 /* Oops, gap. How did that happen? */
8980 DisplayError(_("Gap in move list"), 0);
8983 backwardMostMove = blackPlaysFirst ? 1 : 0;
8984 if (boardIndex > forwardMostMove) {
8985 forwardMostMove = boardIndex;
8989 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8990 strcat(parseList[boardIndex-1], " ");
8991 strcat(parseList[boardIndex-1], yy_text);
9003 case GameUnfinished:
9004 if (gameMode == IcsExamining) {
9005 if (boardIndex < backwardMostMove) {
9006 /* Oops, gap. How did that happen? */
9009 backwardMostMove = blackPlaysFirst ? 1 : 0;
9012 gameInfo.result = moveType;
9013 p = strchr(yy_text, '{');
9014 if (p == NULL) p = strchr(yy_text, '(');
9017 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9019 q = strchr(p, *p == '{' ? '}' : ')');
9020 if (q != NULL) *q = NULLCHAR;
9023 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9024 gameInfo.resultDetails = StrSave(p);
9027 if (boardIndex >= forwardMostMove &&
9028 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9029 backwardMostMove = blackPlaysFirst ? 1 : 0;
9032 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9033 fromY, fromX, toY, toX, promoChar,
9034 parseList[boardIndex]);
9035 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9036 /* currentMoveString is set as a side-effect of yylex */
9037 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9038 strcat(moveList[boardIndex], "\n");
9040 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9041 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9047 if(gameInfo.variant != VariantShogi)
9048 strcat(parseList[boardIndex - 1], "+");
9052 strcat(parseList[boardIndex - 1], "#");
9059 /* Apply a move to the given board */
9061 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9063 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9064 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9066 /* [HGM] compute & store e.p. status and castling rights for new position */
9067 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9069 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9070 oldEP = (signed char)board[EP_STATUS];
9071 board[EP_STATUS] = EP_NONE;
9073 if (fromY == DROP_RANK) {
9075 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9076 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9079 piece = board[toY][toX] = (ChessSquare) fromX;
9083 if( board[toY][toX] != EmptySquare )
9084 board[EP_STATUS] = EP_CAPTURE;
9086 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9087 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9088 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9090 if( board[fromY][fromX] == WhitePawn ) {
9091 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9092 board[EP_STATUS] = EP_PAWN_MOVE;
9094 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9095 gameInfo.variant != VariantBerolina || toX < fromX)
9096 board[EP_STATUS] = toX | berolina;
9097 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9098 gameInfo.variant != VariantBerolina || toX > fromX)
9099 board[EP_STATUS] = toX;
9102 if( board[fromY][fromX] == BlackPawn ) {
9103 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9104 board[EP_STATUS] = EP_PAWN_MOVE;
9105 if( toY-fromY== -2) {
9106 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9107 gameInfo.variant != VariantBerolina || toX < fromX)
9108 board[EP_STATUS] = toX | berolina;
9109 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9110 gameInfo.variant != VariantBerolina || toX > fromX)
9111 board[EP_STATUS] = toX;
9115 for(i=0; i<nrCastlingRights; i++) {
9116 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9117 board[CASTLING][i] == toX && castlingRank[i] == toY
9118 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9121 if (fromX == toX && fromY == toY) return;
9123 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9124 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9125 if(gameInfo.variant == VariantKnightmate)
9126 king += (int) WhiteUnicorn - (int) WhiteKing;
9128 /* Code added by Tord: */
9129 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9130 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9131 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9132 board[fromY][fromX] = EmptySquare;
9133 board[toY][toX] = EmptySquare;
9134 if((toX > fromX) != (piece == WhiteRook)) {
9135 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9137 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9139 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9140 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9141 board[fromY][fromX] = EmptySquare;
9142 board[toY][toX] = EmptySquare;
9143 if((toX > fromX) != (piece == BlackRook)) {
9144 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9146 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9148 /* End of code added by Tord */
9150 } else if (board[fromY][fromX] == king
9151 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9152 && toY == fromY && toX > fromX+1) {
9153 board[fromY][fromX] = EmptySquare;
9154 board[toY][toX] = king;
9155 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9156 board[fromY][BOARD_RGHT-1] = EmptySquare;
9157 } else if (board[fromY][fromX] == king
9158 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9159 && toY == fromY && toX < fromX-1) {
9160 board[fromY][fromX] = EmptySquare;
9161 board[toY][toX] = king;
9162 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9163 board[fromY][BOARD_LEFT] = EmptySquare;
9164 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9165 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9166 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9168 /* white pawn promotion */
9169 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9170 if(gameInfo.variant==VariantBughouse ||
9171 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9172 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9173 board[fromY][fromX] = EmptySquare;
9174 } else if ((fromY >= BOARD_HEIGHT>>1)
9176 && gameInfo.variant != VariantXiangqi
9177 && gameInfo.variant != VariantBerolina
9178 && (board[fromY][fromX] == WhitePawn)
9179 && (board[toY][toX] == EmptySquare)) {
9180 board[fromY][fromX] = EmptySquare;
9181 board[toY][toX] = WhitePawn;
9182 captured = board[toY - 1][toX];
9183 board[toY - 1][toX] = EmptySquare;
9184 } else if ((fromY == BOARD_HEIGHT-4)
9186 && gameInfo.variant == VariantBerolina
9187 && (board[fromY][fromX] == WhitePawn)
9188 && (board[toY][toX] == EmptySquare)) {
9189 board[fromY][fromX] = EmptySquare;
9190 board[toY][toX] = WhitePawn;
9191 if(oldEP & EP_BEROLIN_A) {
9192 captured = board[fromY][fromX-1];
9193 board[fromY][fromX-1] = EmptySquare;
9194 }else{ captured = board[fromY][fromX+1];
9195 board[fromY][fromX+1] = EmptySquare;
9197 } else if (board[fromY][fromX] == king
9198 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9199 && toY == fromY && toX > fromX+1) {
9200 board[fromY][fromX] = EmptySquare;
9201 board[toY][toX] = king;
9202 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9203 board[fromY][BOARD_RGHT-1] = EmptySquare;
9204 } else if (board[fromY][fromX] == king
9205 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9206 && toY == fromY && toX < fromX-1) {
9207 board[fromY][fromX] = EmptySquare;
9208 board[toY][toX] = king;
9209 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9210 board[fromY][BOARD_LEFT] = EmptySquare;
9211 } else if (fromY == 7 && fromX == 3
9212 && board[fromY][fromX] == BlackKing
9213 && toY == 7 && toX == 5) {
9214 board[fromY][fromX] = EmptySquare;
9215 board[toY][toX] = BlackKing;
9216 board[fromY][7] = EmptySquare;
9217 board[toY][4] = BlackRook;
9218 } else if (fromY == 7 && fromX == 3
9219 && board[fromY][fromX] == BlackKing
9220 && toY == 7 && toX == 1) {
9221 board[fromY][fromX] = EmptySquare;
9222 board[toY][toX] = BlackKing;
9223 board[fromY][0] = EmptySquare;
9224 board[toY][2] = BlackRook;
9225 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9226 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9227 && toY < promoRank && promoChar
9229 /* black pawn promotion */
9230 board[toY][toX] = CharToPiece(ToLower(promoChar));
9231 if(gameInfo.variant==VariantBughouse ||
9232 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9233 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9234 board[fromY][fromX] = EmptySquare;
9235 } else if ((fromY < BOARD_HEIGHT>>1)
9237 && gameInfo.variant != VariantXiangqi
9238 && gameInfo.variant != VariantBerolina
9239 && (board[fromY][fromX] == BlackPawn)
9240 && (board[toY][toX] == EmptySquare)) {
9241 board[fromY][fromX] = EmptySquare;
9242 board[toY][toX] = BlackPawn;
9243 captured = board[toY + 1][toX];
9244 board[toY + 1][toX] = EmptySquare;
9245 } else if ((fromY == 3)
9247 && gameInfo.variant == VariantBerolina
9248 && (board[fromY][fromX] == BlackPawn)
9249 && (board[toY][toX] == EmptySquare)) {
9250 board[fromY][fromX] = EmptySquare;
9251 board[toY][toX] = BlackPawn;
9252 if(oldEP & EP_BEROLIN_A) {
9253 captured = board[fromY][fromX-1];
9254 board[fromY][fromX-1] = EmptySquare;
9255 }else{ captured = board[fromY][fromX+1];
9256 board[fromY][fromX+1] = EmptySquare;
9259 board[toY][toX] = board[fromY][fromX];
9260 board[fromY][fromX] = EmptySquare;
9264 if (gameInfo.holdingsWidth != 0) {
9266 /* !!A lot more code needs to be written to support holdings */
9267 /* [HGM] OK, so I have written it. Holdings are stored in the */
9268 /* penultimate board files, so they are automaticlly stored */
9269 /* in the game history. */
9270 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9271 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9272 /* Delete from holdings, by decreasing count */
9273 /* and erasing image if necessary */
9274 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9275 if(p < (int) BlackPawn) { /* white drop */
9276 p -= (int)WhitePawn;
9277 p = PieceToNumber((ChessSquare)p);
9278 if(p >= gameInfo.holdingsSize) p = 0;
9279 if(--board[p][BOARD_WIDTH-2] <= 0)
9280 board[p][BOARD_WIDTH-1] = EmptySquare;
9281 if((int)board[p][BOARD_WIDTH-2] < 0)
9282 board[p][BOARD_WIDTH-2] = 0;
9283 } else { /* black drop */
9284 p -= (int)BlackPawn;
9285 p = PieceToNumber((ChessSquare)p);
9286 if(p >= gameInfo.holdingsSize) p = 0;
9287 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9288 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9289 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9290 board[BOARD_HEIGHT-1-p][1] = 0;
9293 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9294 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9295 /* [HGM] holdings: Add to holdings, if holdings exist */
9296 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9297 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9298 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9301 if (p >= (int) BlackPawn) {
9302 p -= (int)BlackPawn;
9303 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9304 /* in Shogi restore piece to its original first */
9305 captured = (ChessSquare) (DEMOTED captured);
9308 p = PieceToNumber((ChessSquare)p);
9309 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9310 board[p][BOARD_WIDTH-2]++;
9311 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9313 p -= (int)WhitePawn;
9314 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9315 captured = (ChessSquare) (DEMOTED captured);
9318 p = PieceToNumber((ChessSquare)p);
9319 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9320 board[BOARD_HEIGHT-1-p][1]++;
9321 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9324 } else if (gameInfo.variant == VariantAtomic) {
9325 if (captured != EmptySquare) {
9327 for (y = toY-1; y <= toY+1; y++) {
9328 for (x = toX-1; x <= toX+1; x++) {
9329 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9330 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9331 board[y][x] = EmptySquare;
9335 board[toY][toX] = EmptySquare;
9338 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9339 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9341 if(promoChar == '+') {
9342 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9343 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9344 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9345 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9347 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9348 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9349 // [HGM] superchess: take promotion piece out of holdings
9350 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9351 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9352 if(!--board[k][BOARD_WIDTH-2])
9353 board[k][BOARD_WIDTH-1] = EmptySquare;
9355 if(!--board[BOARD_HEIGHT-1-k][1])
9356 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9362 /* Updates forwardMostMove */
9364 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9366 // forwardMostMove++; // [HGM] bare: moved downstream
9368 (void) CoordsToAlgebraic(boards[forwardMostMove],
9369 PosFlags(forwardMostMove),
9370 fromY, fromX, toY, toX, promoChar,
9371 parseList[forwardMostMove]);
9373 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9374 int timeLeft; static int lastLoadFlag=0; int king, piece;
9375 piece = boards[forwardMostMove][fromY][fromX];
9376 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9377 if(gameInfo.variant == VariantKnightmate)
9378 king += (int) WhiteUnicorn - (int) WhiteKing;
9379 if(forwardMostMove == 0) {
9380 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9381 fprintf(serverMoves, "%s;", UserName());
9382 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9383 fprintf(serverMoves, "%s;", second.tidy);
9384 fprintf(serverMoves, "%s;", first.tidy);
9385 if(gameMode == MachinePlaysWhite)
9386 fprintf(serverMoves, "%s;", UserName());
9387 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9388 fprintf(serverMoves, "%s;", second.tidy);
9389 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9390 lastLoadFlag = loadFlag;
9392 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9393 // print castling suffix
9394 if( toY == fromY && piece == king ) {
9396 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9398 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9401 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9402 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9403 boards[forwardMostMove][toY][toX] == EmptySquare
9404 && fromX != toX && fromY != toY)
9405 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9407 if(promoChar != NULLCHAR)
9408 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9410 char buf[MOVE_LEN*2], *p; int len;
9411 fprintf(serverMoves, "/%d/%d",
9412 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9413 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9414 else timeLeft = blackTimeRemaining/1000;
9415 fprintf(serverMoves, "/%d", timeLeft);
9416 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9417 if(p = strchr(buf, '=')) *p = NULLCHAR;
9418 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9419 fprintf(serverMoves, "/%s", buf);
9421 fflush(serverMoves);
9424 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9425 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9428 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9429 if (commentList[forwardMostMove+1] != NULL) {
9430 free(commentList[forwardMostMove+1]);
9431 commentList[forwardMostMove+1] = NULL;
9433 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9434 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9435 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9436 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9437 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9438 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9439 adjustedClock = FALSE;
9440 gameInfo.result = GameUnfinished;
9441 if (gameInfo.resultDetails != NULL) {
9442 free(gameInfo.resultDetails);
9443 gameInfo.resultDetails = NULL;
9445 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9446 moveList[forwardMostMove - 1]);
9447 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9453 if(gameInfo.variant != VariantShogi)
9454 strcat(parseList[forwardMostMove - 1], "+");
9458 strcat(parseList[forwardMostMove - 1], "#");
9461 if (appData.debugMode) {
9462 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9467 /* Updates currentMove if not pausing */
9469 ShowMove (int fromX, int fromY, int toX, int toY)
9471 int instant = (gameMode == PlayFromGameFile) ?
9472 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9473 if(appData.noGUI) return;
9474 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9476 if (forwardMostMove == currentMove + 1) {
9477 AnimateMove(boards[forwardMostMove - 1],
9478 fromX, fromY, toX, toY);
9480 if (appData.highlightLastMove) {
9481 SetHighlights(fromX, fromY, toX, toY);
9484 currentMove = forwardMostMove;
9487 if (instant) return;
9489 DisplayMove(currentMove - 1);
9490 DrawPosition(FALSE, boards[currentMove]);
9491 DisplayBothClocks();
9492 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9496 SendEgtPath (ChessProgramState *cps)
9497 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9498 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9500 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9503 char c, *q = name+1, *r, *s;
9505 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9506 while(*p && *p != ',') *q++ = *p++;
9508 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9509 strcmp(name, ",nalimov:") == 0 ) {
9510 // take nalimov path from the menu-changeable option first, if it is defined
9511 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9512 SendToProgram(buf,cps); // send egtbpath command for nalimov
9514 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9515 (s = StrStr(appData.egtFormats, name)) != NULL) {
9516 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9517 s = r = StrStr(s, ":") + 1; // beginning of path info
9518 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9519 c = *r; *r = 0; // temporarily null-terminate path info
9520 *--q = 0; // strip of trailig ':' from name
9521 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9523 SendToProgram(buf,cps); // send egtbpath command for this format
9525 if(*p == ',') p++; // read away comma to position for next format name
9530 InitChessProgram (ChessProgramState *cps, int setup)
9531 /* setup needed to setup FRC opening position */
9533 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9534 if (appData.noChessProgram) return;
9535 hintRequested = FALSE;
9536 bookRequested = FALSE;
9538 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9539 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9540 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9541 if(cps->memSize) { /* [HGM] memory */
9542 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9543 SendToProgram(buf, cps);
9545 SendEgtPath(cps); /* [HGM] EGT */
9546 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9547 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9548 SendToProgram(buf, cps);
9551 SendToProgram(cps->initString, cps);
9552 if (gameInfo.variant != VariantNormal &&
9553 gameInfo.variant != VariantLoadable
9554 /* [HGM] also send variant if board size non-standard */
9555 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9557 char *v = VariantName(gameInfo.variant);
9558 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9559 /* [HGM] in protocol 1 we have to assume all variants valid */
9560 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9561 DisplayFatalError(buf, 0, 1);
9565 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9566 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9567 if( gameInfo.variant == VariantXiangqi )
9568 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9569 if( gameInfo.variant == VariantShogi )
9570 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9571 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9572 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9573 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9574 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9575 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9576 if( gameInfo.variant == VariantCourier )
9577 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9578 if( gameInfo.variant == VariantSuper )
9579 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9580 if( gameInfo.variant == VariantGreat )
9581 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9582 if( gameInfo.variant == VariantSChess )
9583 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9584 if( gameInfo.variant == VariantGrand )
9585 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9588 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9589 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9590 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9591 if(StrStr(cps->variants, b) == NULL) {
9592 // specific sized variant not known, check if general sizing allowed
9593 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9594 if(StrStr(cps->variants, "boardsize") == NULL) {
9595 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9596 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9597 DisplayFatalError(buf, 0, 1);
9600 /* [HGM] here we really should compare with the maximum supported board size */
9603 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9604 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9605 SendToProgram(buf, cps);
9607 currentlyInitializedVariant = gameInfo.variant;
9609 /* [HGM] send opening position in FRC to first engine */
9611 SendToProgram("force\n", cps);
9613 /* engine is now in force mode! Set flag to wake it up after first move. */
9614 setboardSpoiledMachineBlack = 1;
9618 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9619 SendToProgram(buf, cps);
9621 cps->maybeThinking = FALSE;
9622 cps->offeredDraw = 0;
9623 if (!appData.icsActive) {
9624 SendTimeControl(cps, movesPerSession, timeControl,
9625 timeIncrement, appData.searchDepth,
9628 if (appData.showThinking
9629 // [HGM] thinking: four options require thinking output to be sent
9630 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9632 SendToProgram("post\n", cps);
9634 SendToProgram("hard\n", cps);
9635 if (!appData.ponderNextMove) {
9636 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9637 it without being sure what state we are in first. "hard"
9638 is not a toggle, so that one is OK.
9640 SendToProgram("easy\n", cps);
9643 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9644 SendToProgram(buf, cps);
9646 cps->initDone = TRUE;
9647 ClearEngineOutputPane(cps == &second);
9652 StartChessProgram (ChessProgramState *cps)
9657 if (appData.noChessProgram) return;
9658 cps->initDone = FALSE;
9660 if (strcmp(cps->host, "localhost") == 0) {
9661 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9662 } else if (*appData.remoteShell == NULLCHAR) {
9663 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9665 if (*appData.remoteUser == NULLCHAR) {
9666 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9669 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9670 cps->host, appData.remoteUser, cps->program);
9672 err = StartChildProcess(buf, "", &cps->pr);
9676 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9677 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9678 if(cps != &first) return;
9679 appData.noChessProgram = TRUE;
9682 // DisplayFatalError(buf, err, 1);
9683 // cps->pr = NoProc;
9688 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9689 if (cps->protocolVersion > 1) {
9690 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9691 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9692 cps->comboCnt = 0; // and values of combo boxes
9693 SendToProgram(buf, cps);
9695 SendToProgram("xboard\n", cps);
9700 TwoMachinesEventIfReady P((void))
9702 static int curMess = 0;
9703 if (first.lastPing != first.lastPong) {
9704 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9705 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9708 if (second.lastPing != second.lastPong) {
9709 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9710 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9713 DisplayMessage("", ""); curMess = 0;
9719 MakeName (char *template)
9723 static char buf[MSG_SIZ];
9727 clock = time((time_t *)NULL);
9728 tm = localtime(&clock);
9730 while(*p++ = *template++) if(p[-1] == '%') {
9731 switch(*template++) {
9732 case 0: *p = 0; return buf;
9733 case 'Y': i = tm->tm_year+1900; break;
9734 case 'y': i = tm->tm_year-100; break;
9735 case 'M': i = tm->tm_mon+1; break;
9736 case 'd': i = tm->tm_mday; break;
9737 case 'h': i = tm->tm_hour; break;
9738 case 'm': i = tm->tm_min; break;
9739 case 's': i = tm->tm_sec; break;
9742 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9748 CountPlayers (char *p)
9751 while(p = strchr(p, '\n')) p++, n++; // count participants
9756 WriteTourneyFile (char *results, FILE *f)
9757 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9758 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9759 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9760 // create a file with tournament description
9761 fprintf(f, "-participants {%s}\n", appData.participants);
9762 fprintf(f, "-seedBase %d\n", appData.seedBase);
9763 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9764 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9765 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9766 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9767 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9768 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9769 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9770 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9771 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9772 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9773 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9774 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9776 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9778 fprintf(f, "-mps %d\n", appData.movesPerSession);
9779 fprintf(f, "-tc %s\n", appData.timeControl);
9780 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9782 fprintf(f, "-results \"%s\"\n", results);
9787 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9790 Substitute (char *participants, int expunge)
9792 int i, changed, changes=0, nPlayers=0;
9793 char *p, *q, *r, buf[MSG_SIZ];
9794 if(participants == NULL) return;
9795 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9796 r = p = participants; q = appData.participants;
9797 while(*p && *p == *q) {
9798 if(*p == '\n') r = p+1, nPlayers++;
9801 if(*p) { // difference
9802 while(*p && *p++ != '\n');
9803 while(*q && *q++ != '\n');
9805 changes = 1 + (strcmp(p, q) != 0);
9807 if(changes == 1) { // a single engine mnemonic was changed
9808 q = r; while(*q) nPlayers += (*q++ == '\n');
9809 p = buf; while(*r && (*p = *r++) != '\n') p++;
9811 NamesToList(firstChessProgramNames, command, mnemonic);
9812 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9813 if(mnemonic[i]) { // The substitute is valid
9815 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9816 flock(fileno(f), LOCK_EX);
9817 ParseArgsFromFile(f);
9818 fseek(f, 0, SEEK_SET);
9819 FREE(appData.participants); appData.participants = participants;
9820 if(expunge) { // erase results of replaced engine
9821 int len = strlen(appData.results), w, b, dummy;
9822 for(i=0; i<len; i++) {
9823 Pairing(i, nPlayers, &w, &b, &dummy);
9824 if((w == changed || b == changed) && appData.results[i] == '*') {
9825 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9830 for(i=0; i<len; i++) {
9831 Pairing(i, nPlayers, &w, &b, &dummy);
9832 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9835 WriteTourneyFile(appData.results, f);
9836 fclose(f); // release lock
9839 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9841 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9842 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9848 CreateTourney (char *name)
9851 if(matchMode && strcmp(name, appData.tourneyFile)) {
9852 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9854 if(name[0] == NULLCHAR) {
9855 if(appData.participants[0])
9856 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9859 f = fopen(name, "r");
9860 if(f) { // file exists
9861 ASSIGN(appData.tourneyFile, name);
9862 ParseArgsFromFile(f); // parse it
9864 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9865 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9866 DisplayError(_("Not enough participants"), 0);
9869 ASSIGN(appData.tourneyFile, name);
9870 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9871 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9874 appData.noChessProgram = FALSE;
9875 appData.clockMode = TRUE;
9881 NamesToList (char *names, char **engineList, char **engineMnemonic)
9883 char buf[MSG_SIZ], *p, *q;
9887 while(*p && *p != '\n') *q++ = *p++;
9889 if(engineList[i]) free(engineList[i]);
9890 engineList[i] = strdup(buf);
9892 TidyProgramName(engineList[i], "localhost", buf);
9893 if(engineMnemonic[i]) free(engineMnemonic[i]);
9894 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9896 sscanf(q + 8, "%s", buf + strlen(buf));
9899 engineMnemonic[i] = strdup(buf);
9901 if(i > MAXENGINES - 2) break;
9903 engineList[i] = engineMnemonic[i] = NULL;
9906 // following implemented as macro to avoid type limitations
9907 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9911 { // swap settings for first engine and other engine (so far only some selected options)
9916 SWAP(chessProgram, p)
9918 SWAP(hasOwnBookUCI, h)
9919 SWAP(protocolVersion, h)
9921 SWAP(scoreIsAbsolute, h)
9930 SetPlayer (int player, char *p)
9931 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9933 char buf[MSG_SIZ], *engineName;
9934 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9935 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9936 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9938 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9939 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9940 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
9941 ParseArgsFromString(buf);
9947 char *recentEngines;
9950 RecentEngineEvent (int nr)
9953 // SwapEngines(1); // bump first to second
9954 // ReplaceEngine(&second, 1); // and load it there
9955 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
9956 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
9957 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
9958 ReplaceEngine(&first, 0);
9959 FloatToFront(&appData.recentEngineList, command[n]);
9964 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9965 { // determine players from game number
9966 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9968 if(appData.tourneyType == 0) {
9969 roundsPerCycle = (nPlayers - 1) | 1;
9970 pairingsPerRound = nPlayers / 2;
9971 } else if(appData.tourneyType > 0) {
9972 roundsPerCycle = nPlayers - appData.tourneyType;
9973 pairingsPerRound = appData.tourneyType;
9975 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9976 gamesPerCycle = gamesPerRound * roundsPerCycle;
9977 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9978 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9979 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9980 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9981 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9982 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9984 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9985 if(appData.roundSync) *syncInterval = gamesPerRound;
9987 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9989 if(appData.tourneyType == 0) {
9990 if(curPairing == (nPlayers-1)/2 ) {
9991 *whitePlayer = curRound;
9992 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9994 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9995 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9996 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9997 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9999 } else if(appData.tourneyType > 1) {
10000 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10001 *whitePlayer = curRound + appData.tourneyType;
10002 } else if(appData.tourneyType > 0) {
10003 *whitePlayer = curPairing;
10004 *blackPlayer = curRound + appData.tourneyType;
10007 // take care of white/black alternation per round.
10008 // For cycles and games this is already taken care of by default, derived from matchGame!
10009 return curRound & 1;
10013 NextTourneyGame (int nr, int *swapColors)
10014 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10016 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10018 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10019 tf = fopen(appData.tourneyFile, "r");
10020 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10021 ParseArgsFromFile(tf); fclose(tf);
10022 InitTimeControls(); // TC might be altered from tourney file
10024 nPlayers = CountPlayers(appData.participants); // count participants
10025 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10026 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10029 p = q = appData.results;
10030 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10031 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10032 DisplayMessage(_("Waiting for other game(s)"),"");
10033 waitingForGame = TRUE;
10034 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10037 waitingForGame = FALSE;
10040 if(appData.tourneyType < 0) {
10041 if(nr>=0 && !pairingReceived) {
10043 if(pairing.pr == NoProc) {
10044 if(!appData.pairingEngine[0]) {
10045 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10048 StartChessProgram(&pairing); // starts the pairing engine
10050 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10051 SendToProgram(buf, &pairing);
10052 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10053 SendToProgram(buf, &pairing);
10054 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10056 pairingReceived = 0; // ... so we continue here
10058 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10059 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10060 matchGame = 1; roundNr = nr / syncInterval + 1;
10063 if(first.pr != NoProc && second.pr != NoProc) return 1; // engines already loaded
10065 // redefine engines, engine dir, etc.
10066 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10067 if(first.pr == NoProc || nr < 0) {
10068 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10069 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10071 if(second.pr == NoProc) {
10073 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10074 SwapEngines(1); // and make that valid for second engine by swapping
10075 InitEngine(&second, 1);
10077 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10078 UpdateLogos(FALSE); // leave display to ModeHiglight()
10084 { // performs game initialization that does not invoke engines, and then tries to start the game
10085 int res, firstWhite, swapColors = 0;
10086 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
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 (backwardMostMove > 0 || startedFromSetupPosition) {
12323 char *fen = PositionToFEN(backwardMostMove, NULL);
12324 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12325 fprintf(f, "\n{--------------\n");
12326 PrintPosition(f, backwardMostMove);
12327 fprintf(f, "--------------}\n");
12331 /* [AS] Out of book annotation */
12332 if( appData.saveOutOfBookInfo ) {
12335 GetOutOfBookInfo( buf );
12337 if( buf[0] != '\0' ) {
12338 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12345 i = backwardMostMove;
12349 while (i < forwardMostMove) {
12350 /* Print comments preceding this move */
12351 if (commentList[i] != NULL) {
12352 if (linelen > 0) fprintf(f, "\n");
12353 fprintf(f, "%s", commentList[i]);
12358 /* Format move number */
12360 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12363 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12365 numtext[0] = NULLCHAR;
12367 numlen = strlen(numtext);
12370 /* Print move number */
12371 blank = linelen > 0 && numlen > 0;
12372 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12381 fprintf(f, "%s", numtext);
12385 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12386 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12389 blank = linelen > 0 && movelen > 0;
12390 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12399 fprintf(f, "%s", move_buffer);
12400 linelen += movelen;
12402 /* [AS] Add PV info if present */
12403 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12404 /* [HGM] add time */
12405 char buf[MSG_SIZ]; int seconds;
12407 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12413 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12416 seconds = (seconds + 4)/10; // round to full seconds
12418 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12420 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12423 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12424 pvInfoList[i].score >= 0 ? "+" : "",
12425 pvInfoList[i].score / 100.0,
12426 pvInfoList[i].depth,
12429 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12431 /* Print score/depth */
12432 blank = linelen > 0 && movelen > 0;
12433 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12442 fprintf(f, "%s", move_buffer);
12443 linelen += movelen;
12449 /* Start a new line */
12450 if (linelen > 0) fprintf(f, "\n");
12452 /* Print comments after last move */
12453 if (commentList[i] != NULL) {
12454 fprintf(f, "%s\n", commentList[i]);
12458 if (gameInfo.resultDetails != NULL &&
12459 gameInfo.resultDetails[0] != NULLCHAR) {
12460 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12461 PGNResult(gameInfo.result));
12463 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12467 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12471 /* Save game in old style and close the file */
12473 SaveGameOldStyle (FILE *f)
12478 tm = time((time_t *) NULL);
12480 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12483 if (backwardMostMove > 0 || startedFromSetupPosition) {
12484 fprintf(f, "\n[--------------\n");
12485 PrintPosition(f, backwardMostMove);
12486 fprintf(f, "--------------]\n");
12491 i = backwardMostMove;
12492 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12494 while (i < forwardMostMove) {
12495 if (commentList[i] != NULL) {
12496 fprintf(f, "[%s]\n", commentList[i]);
12499 if ((i % 2) == 1) {
12500 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12503 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12505 if (commentList[i] != NULL) {
12509 if (i >= forwardMostMove) {
12513 fprintf(f, "%s\n", parseList[i]);
12518 if (commentList[i] != NULL) {
12519 fprintf(f, "[%s]\n", commentList[i]);
12522 /* This isn't really the old style, but it's close enough */
12523 if (gameInfo.resultDetails != NULL &&
12524 gameInfo.resultDetails[0] != NULLCHAR) {
12525 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12526 gameInfo.resultDetails);
12528 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12535 /* Save the current game to open file f and close the file */
12537 SaveGame (FILE *f, int dummy, char *dummy2)
12539 if (gameMode == EditPosition) EditPositionDone(TRUE);
12540 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12541 if (appData.oldSaveStyle)
12542 return SaveGameOldStyle(f);
12544 return SaveGamePGN(f);
12547 /* Save the current position to the given file */
12549 SavePositionToFile (char *filename)
12554 if (strcmp(filename, "-") == 0) {
12555 return SavePosition(stdout, 0, NULL);
12557 f = fopen(filename, "a");
12559 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12560 DisplayError(buf, errno);
12563 safeStrCpy(buf, lastMsg, MSG_SIZ);
12564 DisplayMessage(_("Waiting for access to save file"), "");
12565 flock(fileno(f), LOCK_EX); // [HGM] lock
12566 DisplayMessage(_("Saving position"), "");
12567 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12568 SavePosition(f, 0, NULL);
12569 DisplayMessage(buf, "");
12575 /* Save the current position to the given open file and close the file */
12577 SavePosition (FILE *f, int dummy, char *dummy2)
12582 if (gameMode == EditPosition) EditPositionDone(TRUE);
12583 if (appData.oldSaveStyle) {
12584 tm = time((time_t *) NULL);
12586 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12588 fprintf(f, "[--------------\n");
12589 PrintPosition(f, currentMove);
12590 fprintf(f, "--------------]\n");
12592 fen = PositionToFEN(currentMove, NULL);
12593 fprintf(f, "%s\n", fen);
12601 ReloadCmailMsgEvent (int unregister)
12604 static char *inFilename = NULL;
12605 static char *outFilename;
12607 struct stat inbuf, outbuf;
12610 /* Any registered moves are unregistered if unregister is set, */
12611 /* i.e. invoked by the signal handler */
12613 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12614 cmailMoveRegistered[i] = FALSE;
12615 if (cmailCommentList[i] != NULL) {
12616 free(cmailCommentList[i]);
12617 cmailCommentList[i] = NULL;
12620 nCmailMovesRegistered = 0;
12623 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12624 cmailResult[i] = CMAIL_NOT_RESULT;
12628 if (inFilename == NULL) {
12629 /* Because the filenames are static they only get malloced once */
12630 /* and they never get freed */
12631 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12632 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12634 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12635 sprintf(outFilename, "%s.out", appData.cmailGameName);
12638 status = stat(outFilename, &outbuf);
12640 cmailMailedMove = FALSE;
12642 status = stat(inFilename, &inbuf);
12643 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12646 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12647 counts the games, notes how each one terminated, etc.
12649 It would be nice to remove this kludge and instead gather all
12650 the information while building the game list. (And to keep it
12651 in the game list nodes instead of having a bunch of fixed-size
12652 parallel arrays.) Note this will require getting each game's
12653 termination from the PGN tags, as the game list builder does
12654 not process the game moves. --mann
12656 cmailMsgLoaded = TRUE;
12657 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12659 /* Load first game in the file or popup game menu */
12660 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12662 #endif /* !WIN32 */
12670 char string[MSG_SIZ];
12672 if ( cmailMailedMove
12673 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12674 return TRUE; /* Allow free viewing */
12677 /* Unregister move to ensure that we don't leave RegisterMove */
12678 /* with the move registered when the conditions for registering no */
12680 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12681 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12682 nCmailMovesRegistered --;
12684 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12686 free(cmailCommentList[lastLoadGameNumber - 1]);
12687 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12691 if (cmailOldMove == -1) {
12692 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12696 if (currentMove > cmailOldMove + 1) {
12697 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12701 if (currentMove < cmailOldMove) {
12702 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12706 if (forwardMostMove > currentMove) {
12707 /* Silently truncate extra moves */
12711 if ( (currentMove == cmailOldMove + 1)
12712 || ( (currentMove == cmailOldMove)
12713 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12714 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12715 if (gameInfo.result != GameUnfinished) {
12716 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12719 if (commentList[currentMove] != NULL) {
12720 cmailCommentList[lastLoadGameNumber - 1]
12721 = StrSave(commentList[currentMove]);
12723 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12725 if (appData.debugMode)
12726 fprintf(debugFP, "Saving %s for game %d\n",
12727 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12729 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12731 f = fopen(string, "w");
12732 if (appData.oldSaveStyle) {
12733 SaveGameOldStyle(f); /* also closes the file */
12735 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12736 f = fopen(string, "w");
12737 SavePosition(f, 0, NULL); /* also closes the file */
12739 fprintf(f, "{--------------\n");
12740 PrintPosition(f, currentMove);
12741 fprintf(f, "--------------}\n\n");
12743 SaveGame(f, 0, NULL); /* also closes the file*/
12746 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12747 nCmailMovesRegistered ++;
12748 } else if (nCmailGames == 1) {
12749 DisplayError(_("You have not made a move yet"), 0);
12760 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12761 FILE *commandOutput;
12762 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12763 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12769 if (! cmailMsgLoaded) {
12770 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12774 if (nCmailGames == nCmailResults) {
12775 DisplayError(_("No unfinished games"), 0);
12779 #if CMAIL_PROHIBIT_REMAIL
12780 if (cmailMailedMove) {
12781 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);
12782 DisplayError(msg, 0);
12787 if (! (cmailMailedMove || RegisterMove())) return;
12789 if ( cmailMailedMove
12790 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12791 snprintf(string, MSG_SIZ, partCommandString,
12792 appData.debugMode ? " -v" : "", appData.cmailGameName);
12793 commandOutput = popen(string, "r");
12795 if (commandOutput == NULL) {
12796 DisplayError(_("Failed to invoke cmail"), 0);
12798 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12799 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12801 if (nBuffers > 1) {
12802 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12803 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12804 nBytes = MSG_SIZ - 1;
12806 (void) memcpy(msg, buffer, nBytes);
12808 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12810 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12811 cmailMailedMove = TRUE; /* Prevent >1 moves */
12814 for (i = 0; i < nCmailGames; i ++) {
12815 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12820 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12822 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12824 appData.cmailGameName,
12826 LoadGameFromFile(buffer, 1, buffer, FALSE);
12827 cmailMsgLoaded = FALSE;
12831 DisplayInformation(msg);
12832 pclose(commandOutput);
12835 if ((*cmailMsg) != '\0') {
12836 DisplayInformation(cmailMsg);
12841 #endif /* !WIN32 */
12850 int prependComma = 0;
12852 char string[MSG_SIZ]; /* Space for game-list */
12855 if (!cmailMsgLoaded) return "";
12857 if (cmailMailedMove) {
12858 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12860 /* Create a list of games left */
12861 snprintf(string, MSG_SIZ, "[");
12862 for (i = 0; i < nCmailGames; i ++) {
12863 if (! ( cmailMoveRegistered[i]
12864 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12865 if (prependComma) {
12866 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12868 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12872 strcat(string, number);
12875 strcat(string, "]");
12877 if (nCmailMovesRegistered + nCmailResults == 0) {
12878 switch (nCmailGames) {
12880 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12884 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12888 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12893 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12895 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12900 if (nCmailResults == nCmailGames) {
12901 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12903 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12908 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12920 if (gameMode == Training)
12921 SetTrainingModeOff();
12924 cmailMsgLoaded = FALSE;
12925 if (appData.icsActive) {
12926 SendToICS(ics_prefix);
12927 SendToICS("refresh\n");
12932 ExitEvent (int status)
12936 /* Give up on clean exit */
12940 /* Keep trying for clean exit */
12944 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12946 if (telnetISR != NULL) {
12947 RemoveInputSource(telnetISR);
12949 if (icsPR != NoProc) {
12950 DestroyChildProcess(icsPR, TRUE);
12953 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12954 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12956 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12957 /* make sure this other one finishes before killing it! */
12958 if(endingGame) { int count = 0;
12959 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12960 while(endingGame && count++ < 10) DoSleep(1);
12961 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12964 /* Kill off chess programs */
12965 if (first.pr != NoProc) {
12968 DoSleep( appData.delayBeforeQuit );
12969 SendToProgram("quit\n", &first);
12970 DoSleep( appData.delayAfterQuit );
12971 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12973 if (second.pr != NoProc) {
12974 DoSleep( appData.delayBeforeQuit );
12975 SendToProgram("quit\n", &second);
12976 DoSleep( appData.delayAfterQuit );
12977 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12979 if (first.isr != NULL) {
12980 RemoveInputSource(first.isr);
12982 if (second.isr != NULL) {
12983 RemoveInputSource(second.isr);
12986 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12987 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12989 ShutDownFrontEnd();
12996 if (appData.debugMode)
12997 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13001 if (gameMode == MachinePlaysWhite ||
13002 gameMode == MachinePlaysBlack) {
13005 DisplayBothClocks();
13007 if (gameMode == PlayFromGameFile) {
13008 if (appData.timeDelay >= 0)
13009 AutoPlayGameLoop();
13010 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13011 Reset(FALSE, TRUE);
13012 SendToICS(ics_prefix);
13013 SendToICS("refresh\n");
13014 } else if (currentMove < forwardMostMove) {
13015 ForwardInner(forwardMostMove);
13017 pauseExamInvalid = FALSE;
13019 switch (gameMode) {
13023 pauseExamForwardMostMove = forwardMostMove;
13024 pauseExamInvalid = FALSE;
13027 case IcsPlayingWhite:
13028 case IcsPlayingBlack:
13032 case PlayFromGameFile:
13033 (void) StopLoadGameTimer();
13037 case BeginningOfGame:
13038 if (appData.icsActive) return;
13039 /* else fall through */
13040 case MachinePlaysWhite:
13041 case MachinePlaysBlack:
13042 case TwoMachinesPlay:
13043 if (forwardMostMove == 0)
13044 return; /* don't pause if no one has moved */
13045 if ((gameMode == MachinePlaysWhite &&
13046 !WhiteOnMove(forwardMostMove)) ||
13047 (gameMode == MachinePlaysBlack &&
13048 WhiteOnMove(forwardMostMove))) {
13059 EditCommentEvent ()
13061 char title[MSG_SIZ];
13063 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13064 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13066 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13067 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13068 parseList[currentMove - 1]);
13071 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13078 char *tags = PGNTags(&gameInfo);
13080 EditTagsPopUp(tags, NULL);
13085 AnalyzeModeEvent ()
13087 if (appData.noChessProgram || gameMode == AnalyzeMode)
13090 if (gameMode != AnalyzeFile) {
13091 if (!appData.icsEngineAnalyze) {
13093 if (gameMode != EditGame) return;
13095 ResurrectChessProgram();
13096 SendToProgram("analyze\n", &first);
13097 first.analyzing = TRUE;
13098 /*first.maybeThinking = TRUE;*/
13099 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13100 EngineOutputPopUp();
13102 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13107 StartAnalysisClock();
13108 GetTimeMark(&lastNodeCountTime);
13113 AnalyzeFileEvent ()
13115 if (appData.noChessProgram || gameMode == AnalyzeFile)
13118 if (gameMode != AnalyzeMode) {
13120 if (gameMode != EditGame) return;
13121 ResurrectChessProgram();
13122 SendToProgram("analyze\n", &first);
13123 first.analyzing = TRUE;
13124 /*first.maybeThinking = TRUE;*/
13125 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13126 EngineOutputPopUp();
13128 gameMode = AnalyzeFile;
13133 StartAnalysisClock();
13134 GetTimeMark(&lastNodeCountTime);
13136 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13140 MachineWhiteEvent ()
13143 char *bookHit = NULL;
13145 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13149 if (gameMode == PlayFromGameFile ||
13150 gameMode == TwoMachinesPlay ||
13151 gameMode == Training ||
13152 gameMode == AnalyzeMode ||
13153 gameMode == EndOfGame)
13156 if (gameMode == EditPosition)
13157 EditPositionDone(TRUE);
13159 if (!WhiteOnMove(currentMove)) {
13160 DisplayError(_("It is not White's turn"), 0);
13164 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13167 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13168 gameMode == AnalyzeFile)
13171 ResurrectChessProgram(); /* in case it isn't running */
13172 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13173 gameMode = MachinePlaysWhite;
13176 gameMode = MachinePlaysWhite;
13180 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13182 if (first.sendName) {
13183 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13184 SendToProgram(buf, &first);
13186 if (first.sendTime) {
13187 if (first.useColors) {
13188 SendToProgram("black\n", &first); /*gnu kludge*/
13190 SendTimeRemaining(&first, TRUE);
13192 if (first.useColors) {
13193 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13195 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13196 SetMachineThinkingEnables();
13197 first.maybeThinking = TRUE;
13201 if (appData.autoFlipView && !flipView) {
13202 flipView = !flipView;
13203 DrawPosition(FALSE, NULL);
13204 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13207 if(bookHit) { // [HGM] book: simulate book reply
13208 static char bookMove[MSG_SIZ]; // a bit generous?
13210 programStats.nodes = programStats.depth = programStats.time =
13211 programStats.score = programStats.got_only_move = 0;
13212 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13214 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13215 strcat(bookMove, bookHit);
13216 HandleMachineMove(bookMove, &first);
13221 MachineBlackEvent ()
13224 char *bookHit = NULL;
13226 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13230 if (gameMode == PlayFromGameFile ||
13231 gameMode == TwoMachinesPlay ||
13232 gameMode == Training ||
13233 gameMode == AnalyzeMode ||
13234 gameMode == EndOfGame)
13237 if (gameMode == EditPosition)
13238 EditPositionDone(TRUE);
13240 if (WhiteOnMove(currentMove)) {
13241 DisplayError(_("It is not Black's turn"), 0);
13245 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13248 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13249 gameMode == AnalyzeFile)
13252 ResurrectChessProgram(); /* in case it isn't running */
13253 gameMode = MachinePlaysBlack;
13257 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13259 if (first.sendName) {
13260 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13261 SendToProgram(buf, &first);
13263 if (first.sendTime) {
13264 if (first.useColors) {
13265 SendToProgram("white\n", &first); /*gnu kludge*/
13267 SendTimeRemaining(&first, FALSE);
13269 if (first.useColors) {
13270 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13272 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13273 SetMachineThinkingEnables();
13274 first.maybeThinking = TRUE;
13277 if (appData.autoFlipView && flipView) {
13278 flipView = !flipView;
13279 DrawPosition(FALSE, NULL);
13280 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13282 if(bookHit) { // [HGM] book: simulate book reply
13283 static char bookMove[MSG_SIZ]; // a bit generous?
13285 programStats.nodes = programStats.depth = programStats.time =
13286 programStats.score = programStats.got_only_move = 0;
13287 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13289 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13290 strcat(bookMove, bookHit);
13291 HandleMachineMove(bookMove, &first);
13297 DisplayTwoMachinesTitle ()
13300 if (appData.matchGames > 0) {
13301 if(appData.tourneyFile[0]) {
13302 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13303 gameInfo.white, _("vs."), gameInfo.black,
13304 nextGame+1, appData.matchGames+1,
13305 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13307 if (first.twoMachinesColor[0] == 'w') {
13308 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13309 gameInfo.white, _("vs."), gameInfo.black,
13310 first.matchWins, second.matchWins,
13311 matchGame - 1 - (first.matchWins + second.matchWins));
13313 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13314 gameInfo.white, _("vs."), gameInfo.black,
13315 second.matchWins, first.matchWins,
13316 matchGame - 1 - (first.matchWins + second.matchWins));
13319 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13325 SettingsMenuIfReady ()
13327 if (second.lastPing != second.lastPong) {
13328 DisplayMessage("", _("Waiting for second chess program"));
13329 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13333 DisplayMessage("", "");
13334 SettingsPopUp(&second);
13338 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13341 if (cps->pr == NoProc) {
13342 StartChessProgram(cps);
13343 if (cps->protocolVersion == 1) {
13346 /* kludge: allow timeout for initial "feature" command */
13348 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13349 DisplayMessage("", buf);
13350 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13358 TwoMachinesEvent P((void))
13362 ChessProgramState *onmove;
13363 char *bookHit = NULL;
13364 static int stalling = 0;
13368 if (appData.noChessProgram) return;
13370 switch (gameMode) {
13371 case TwoMachinesPlay:
13373 case MachinePlaysWhite:
13374 case MachinePlaysBlack:
13375 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13376 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13380 case BeginningOfGame:
13381 case PlayFromGameFile:
13384 if (gameMode != EditGame) return;
13387 EditPositionDone(TRUE);
13398 // forwardMostMove = currentMove;
13399 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13401 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13403 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13404 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13405 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13409 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13410 SendToProgram("force\n", &second);
13412 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13415 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13416 if(appData.matchPause>10000 || appData.matchPause<10)
13417 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13418 wait = SubtractTimeMarks(&now, &pauseStart);
13419 if(wait < appData.matchPause) {
13420 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13424 DisplayMessage("", "");
13425 if (startedFromSetupPosition) {
13426 SendBoard(&second, backwardMostMove);
13427 if (appData.debugMode) {
13428 fprintf(debugFP, "Two Machines\n");
13431 for (i = backwardMostMove; i < forwardMostMove; i++) {
13432 SendMoveToProgram(i, &second);
13435 gameMode = TwoMachinesPlay;
13437 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13439 DisplayTwoMachinesTitle();
13441 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13446 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13447 SendToProgram(first.computerString, &first);
13448 if (first.sendName) {
13449 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13450 SendToProgram(buf, &first);
13452 SendToProgram(second.computerString, &second);
13453 if (second.sendName) {
13454 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13455 SendToProgram(buf, &second);
13459 if (!first.sendTime || !second.sendTime) {
13460 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13461 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13463 if (onmove->sendTime) {
13464 if (onmove->useColors) {
13465 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13467 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13469 if (onmove->useColors) {
13470 SendToProgram(onmove->twoMachinesColor, onmove);
13472 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13473 // SendToProgram("go\n", onmove);
13474 onmove->maybeThinking = TRUE;
13475 SetMachineThinkingEnables();
13479 if(bookHit) { // [HGM] book: simulate book reply
13480 static char bookMove[MSG_SIZ]; // a bit generous?
13482 programStats.nodes = programStats.depth = programStats.time =
13483 programStats.score = programStats.got_only_move = 0;
13484 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13486 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13487 strcat(bookMove, bookHit);
13488 savedMessage = bookMove; // args for deferred call
13489 savedState = onmove;
13490 ScheduleDelayedEvent(DeferredBookMove, 1);
13497 if (gameMode == Training) {
13498 SetTrainingModeOff();
13499 gameMode = PlayFromGameFile;
13500 DisplayMessage("", _("Training mode off"));
13502 gameMode = Training;
13503 animateTraining = appData.animate;
13505 /* make sure we are not already at the end of the game */
13506 if (currentMove < forwardMostMove) {
13507 SetTrainingModeOn();
13508 DisplayMessage("", _("Training mode on"));
13510 gameMode = PlayFromGameFile;
13511 DisplayError(_("Already at end of game"), 0);
13520 if (!appData.icsActive) return;
13521 switch (gameMode) {
13522 case IcsPlayingWhite:
13523 case IcsPlayingBlack:
13526 case BeginningOfGame:
13534 EditPositionDone(TRUE);
13547 gameMode = IcsIdle;
13557 switch (gameMode) {
13559 SetTrainingModeOff();
13561 case MachinePlaysWhite:
13562 case MachinePlaysBlack:
13563 case BeginningOfGame:
13564 SendToProgram("force\n", &first);
13565 SetUserThinkingEnables();
13567 case PlayFromGameFile:
13568 (void) StopLoadGameTimer();
13569 if (gameFileFP != NULL) {
13574 EditPositionDone(TRUE);
13579 SendToProgram("force\n", &first);
13581 case TwoMachinesPlay:
13582 GameEnds(EndOfFile, NULL, GE_PLAYER);
13583 ResurrectChessProgram();
13584 SetUserThinkingEnables();
13587 ResurrectChessProgram();
13589 case IcsPlayingBlack:
13590 case IcsPlayingWhite:
13591 DisplayError(_("Warning: You are still playing a game"), 0);
13594 DisplayError(_("Warning: You are still observing a game"), 0);
13597 DisplayError(_("Warning: You are still examining a game"), 0);
13608 first.offeredDraw = second.offeredDraw = 0;
13610 if (gameMode == PlayFromGameFile) {
13611 whiteTimeRemaining = timeRemaining[0][currentMove];
13612 blackTimeRemaining = timeRemaining[1][currentMove];
13616 if (gameMode == MachinePlaysWhite ||
13617 gameMode == MachinePlaysBlack ||
13618 gameMode == TwoMachinesPlay ||
13619 gameMode == EndOfGame) {
13620 i = forwardMostMove;
13621 while (i > currentMove) {
13622 SendToProgram("undo\n", &first);
13625 if(!adjustedClock) {
13626 whiteTimeRemaining = timeRemaining[0][currentMove];
13627 blackTimeRemaining = timeRemaining[1][currentMove];
13628 DisplayBothClocks();
13630 if (whiteFlag || blackFlag) {
13631 whiteFlag = blackFlag = 0;
13636 gameMode = EditGame;
13643 EditPositionEvent ()
13645 if (gameMode == EditPosition) {
13651 if (gameMode != EditGame) return;
13653 gameMode = EditPosition;
13656 if (currentMove > 0)
13657 CopyBoard(boards[0], boards[currentMove]);
13659 blackPlaysFirst = !WhiteOnMove(currentMove);
13661 currentMove = forwardMostMove = backwardMostMove = 0;
13662 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13669 /* [DM] icsEngineAnalyze - possible call from other functions */
13670 if (appData.icsEngineAnalyze) {
13671 appData.icsEngineAnalyze = FALSE;
13673 DisplayMessage("",_("Close ICS engine analyze..."));
13675 if (first.analysisSupport && first.analyzing) {
13676 SendToProgram("exit\n", &first);
13677 first.analyzing = FALSE;
13679 thinkOutput[0] = NULLCHAR;
13683 EditPositionDone (Boolean fakeRights)
13685 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13687 startedFromSetupPosition = TRUE;
13688 InitChessProgram(&first, FALSE);
13689 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13690 boards[0][EP_STATUS] = EP_NONE;
13691 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13692 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13693 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13694 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13695 } else boards[0][CASTLING][2] = NoRights;
13696 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13697 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13698 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13699 } else boards[0][CASTLING][5] = NoRights;
13701 SendToProgram("force\n", &first);
13702 if (blackPlaysFirst) {
13703 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13704 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13705 currentMove = forwardMostMove = backwardMostMove = 1;
13706 CopyBoard(boards[1], boards[0]);
13708 currentMove = forwardMostMove = backwardMostMove = 0;
13710 SendBoard(&first, forwardMostMove);
13711 if (appData.debugMode) {
13712 fprintf(debugFP, "EditPosDone\n");
13715 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13716 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13717 gameMode = EditGame;
13719 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13720 ClearHighlights(); /* [AS] */
13723 /* Pause for `ms' milliseconds */
13724 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13726 TimeDelay (long ms)
13733 } while (SubtractTimeMarks(&m2, &m1) < ms);
13736 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13738 SendMultiLineToICS (char *buf)
13740 char temp[MSG_SIZ+1], *p;
13747 strncpy(temp, buf, len);
13752 if (*p == '\n' || *p == '\r')
13757 strcat(temp, "\n");
13759 SendToPlayer(temp, strlen(temp));
13763 SetWhiteToPlayEvent ()
13765 if (gameMode == EditPosition) {
13766 blackPlaysFirst = FALSE;
13767 DisplayBothClocks(); /* works because currentMove is 0 */
13768 } else if (gameMode == IcsExamining) {
13769 SendToICS(ics_prefix);
13770 SendToICS("tomove white\n");
13775 SetBlackToPlayEvent ()
13777 if (gameMode == EditPosition) {
13778 blackPlaysFirst = TRUE;
13779 currentMove = 1; /* kludge */
13780 DisplayBothClocks();
13782 } else if (gameMode == IcsExamining) {
13783 SendToICS(ics_prefix);
13784 SendToICS("tomove black\n");
13789 EditPositionMenuEvent (ChessSquare selection, int x, int y)
13792 ChessSquare piece = boards[0][y][x];
13794 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13796 switch (selection) {
13798 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13799 SendToICS(ics_prefix);
13800 SendToICS("bsetup clear\n");
13801 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13802 SendToICS(ics_prefix);
13803 SendToICS("clearboard\n");
13805 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13806 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13807 for (y = 0; y < BOARD_HEIGHT; y++) {
13808 if (gameMode == IcsExamining) {
13809 if (boards[currentMove][y][x] != EmptySquare) {
13810 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13815 boards[0][y][x] = p;
13820 if (gameMode == EditPosition) {
13821 DrawPosition(FALSE, boards[0]);
13826 SetWhiteToPlayEvent();
13830 SetBlackToPlayEvent();
13834 if (gameMode == IcsExamining) {
13835 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13836 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13839 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13840 if(x == BOARD_LEFT-2) {
13841 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13842 boards[0][y][1] = 0;
13844 if(x == BOARD_RGHT+1) {
13845 if(y >= gameInfo.holdingsSize) break;
13846 boards[0][y][BOARD_WIDTH-2] = 0;
13849 boards[0][y][x] = EmptySquare;
13850 DrawPosition(FALSE, boards[0]);
13855 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13856 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13857 selection = (ChessSquare) (PROMOTED piece);
13858 } else if(piece == EmptySquare) selection = WhiteSilver;
13859 else selection = (ChessSquare)((int)piece - 1);
13863 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13864 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13865 selection = (ChessSquare) (DEMOTED piece);
13866 } else if(piece == EmptySquare) selection = BlackSilver;
13867 else selection = (ChessSquare)((int)piece + 1);
13872 if(gameInfo.variant == VariantShatranj ||
13873 gameInfo.variant == VariantXiangqi ||
13874 gameInfo.variant == VariantCourier ||
13875 gameInfo.variant == VariantMakruk )
13876 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13881 if(gameInfo.variant == VariantXiangqi)
13882 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13883 if(gameInfo.variant == VariantKnightmate)
13884 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13887 if (gameMode == IcsExamining) {
13888 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13889 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13890 PieceToChar(selection), AAA + x, ONE + y);
13893 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13895 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13896 n = PieceToNumber(selection - BlackPawn);
13897 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13898 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13899 boards[0][BOARD_HEIGHT-1-n][1]++;
13901 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13902 n = PieceToNumber(selection);
13903 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13904 boards[0][n][BOARD_WIDTH-1] = selection;
13905 boards[0][n][BOARD_WIDTH-2]++;
13908 boards[0][y][x] = selection;
13909 DrawPosition(TRUE, boards[0]);
13917 DropMenuEvent (ChessSquare selection, int x, int y)
13919 ChessMove moveType;
13921 switch (gameMode) {
13922 case IcsPlayingWhite:
13923 case MachinePlaysBlack:
13924 if (!WhiteOnMove(currentMove)) {
13925 DisplayMoveError(_("It is Black's turn"));
13928 moveType = WhiteDrop;
13930 case IcsPlayingBlack:
13931 case MachinePlaysWhite:
13932 if (WhiteOnMove(currentMove)) {
13933 DisplayMoveError(_("It is White's turn"));
13936 moveType = BlackDrop;
13939 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13945 if (moveType == BlackDrop && selection < BlackPawn) {
13946 selection = (ChessSquare) ((int) selection
13947 + (int) BlackPawn - (int) WhitePawn);
13949 if (boards[currentMove][y][x] != EmptySquare) {
13950 DisplayMoveError(_("That square is occupied"));
13954 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13960 /* Accept a pending offer of any kind from opponent */
13962 if (appData.icsActive) {
13963 SendToICS(ics_prefix);
13964 SendToICS("accept\n");
13965 } else if (cmailMsgLoaded) {
13966 if (currentMove == cmailOldMove &&
13967 commentList[cmailOldMove] != NULL &&
13968 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13969 "Black offers a draw" : "White offers a draw")) {
13971 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13972 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13974 DisplayError(_("There is no pending offer on this move"), 0);
13975 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13978 /* Not used for offers from chess program */
13985 /* Decline a pending offer of any kind from opponent */
13987 if (appData.icsActive) {
13988 SendToICS(ics_prefix);
13989 SendToICS("decline\n");
13990 } else if (cmailMsgLoaded) {
13991 if (currentMove == cmailOldMove &&
13992 commentList[cmailOldMove] != NULL &&
13993 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13994 "Black offers a draw" : "White offers a draw")) {
13996 AppendComment(cmailOldMove, "Draw declined", TRUE);
13997 DisplayComment(cmailOldMove - 1, "Draw declined");
14000 DisplayError(_("There is no pending offer on this move"), 0);
14003 /* Not used for offers from chess program */
14010 /* Issue ICS rematch command */
14011 if (appData.icsActive) {
14012 SendToICS(ics_prefix);
14013 SendToICS("rematch\n");
14020 /* Call your opponent's flag (claim a win on time) */
14021 if (appData.icsActive) {
14022 SendToICS(ics_prefix);
14023 SendToICS("flag\n");
14025 switch (gameMode) {
14028 case MachinePlaysWhite:
14031 GameEnds(GameIsDrawn, "Both players ran out of time",
14034 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14036 DisplayError(_("Your opponent is not out of time"), 0);
14039 case MachinePlaysBlack:
14042 GameEnds(GameIsDrawn, "Both players ran out of time",
14045 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14047 DisplayError(_("Your opponent is not out of time"), 0);
14055 ClockClick (int which)
14056 { // [HGM] code moved to back-end from winboard.c
14057 if(which) { // black clock
14058 if (gameMode == EditPosition || gameMode == IcsExamining) {
14059 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14060 SetBlackToPlayEvent();
14061 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14062 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14063 } else if (shiftKey) {
14064 AdjustClock(which, -1);
14065 } else if (gameMode == IcsPlayingWhite ||
14066 gameMode == MachinePlaysBlack) {
14069 } else { // white clock
14070 if (gameMode == EditPosition || gameMode == IcsExamining) {
14071 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14072 SetWhiteToPlayEvent();
14073 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14074 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14075 } else if (shiftKey) {
14076 AdjustClock(which, -1);
14077 } else if (gameMode == IcsPlayingBlack ||
14078 gameMode == MachinePlaysWhite) {
14087 /* Offer draw or accept pending draw offer from opponent */
14089 if (appData.icsActive) {
14090 /* Note: tournament rules require draw offers to be
14091 made after you make your move but before you punch
14092 your clock. Currently ICS doesn't let you do that;
14093 instead, you immediately punch your clock after making
14094 a move, but you can offer a draw at any time. */
14096 SendToICS(ics_prefix);
14097 SendToICS("draw\n");
14098 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14099 } else if (cmailMsgLoaded) {
14100 if (currentMove == cmailOldMove &&
14101 commentList[cmailOldMove] != NULL &&
14102 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14103 "Black offers a draw" : "White offers a draw")) {
14104 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14105 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14106 } else if (currentMove == cmailOldMove + 1) {
14107 char *offer = WhiteOnMove(cmailOldMove) ?
14108 "White offers a draw" : "Black offers a draw";
14109 AppendComment(currentMove, offer, TRUE);
14110 DisplayComment(currentMove - 1, offer);
14111 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14113 DisplayError(_("You must make your move before offering a draw"), 0);
14114 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14116 } else if (first.offeredDraw) {
14117 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14119 if (first.sendDrawOffers) {
14120 SendToProgram("draw\n", &first);
14121 userOfferedDraw = TRUE;
14129 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14131 if (appData.icsActive) {
14132 SendToICS(ics_prefix);
14133 SendToICS("adjourn\n");
14135 /* Currently GNU Chess doesn't offer or accept Adjourns */
14143 /* Offer Abort or accept pending Abort offer from opponent */
14145 if (appData.icsActive) {
14146 SendToICS(ics_prefix);
14147 SendToICS("abort\n");
14149 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14156 /* Resign. You can do this even if it's not your turn. */
14158 if (appData.icsActive) {
14159 SendToICS(ics_prefix);
14160 SendToICS("resign\n");
14162 switch (gameMode) {
14163 case MachinePlaysWhite:
14164 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14166 case MachinePlaysBlack:
14167 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14170 if (cmailMsgLoaded) {
14172 if (WhiteOnMove(cmailOldMove)) {
14173 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14175 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14177 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14188 StopObservingEvent ()
14190 /* Stop observing current games */
14191 SendToICS(ics_prefix);
14192 SendToICS("unobserve\n");
14196 StopExaminingEvent ()
14198 /* Stop observing current game */
14199 SendToICS(ics_prefix);
14200 SendToICS("unexamine\n");
14204 ForwardInner (int target)
14208 if (appData.debugMode)
14209 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14210 target, currentMove, forwardMostMove);
14212 if (gameMode == EditPosition)
14215 seekGraphUp = FALSE;
14216 MarkTargetSquares(1);
14218 if (gameMode == PlayFromGameFile && !pausing)
14221 if (gameMode == IcsExamining && pausing)
14222 limit = pauseExamForwardMostMove;
14224 limit = forwardMostMove;
14226 if (target > limit) target = limit;
14228 if (target > 0 && moveList[target - 1][0]) {
14229 int fromX, fromY, toX, toY;
14230 toX = moveList[target - 1][2] - AAA;
14231 toY = moveList[target - 1][3] - ONE;
14232 if (moveList[target - 1][1] == '@') {
14233 if (appData.highlightLastMove) {
14234 SetHighlights(-1, -1, toX, toY);
14237 fromX = moveList[target - 1][0] - AAA;
14238 fromY = moveList[target - 1][1] - ONE;
14239 if (target == currentMove + 1) {
14240 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14242 if (appData.highlightLastMove) {
14243 SetHighlights(fromX, fromY, toX, toY);
14247 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14248 gameMode == Training || gameMode == PlayFromGameFile ||
14249 gameMode == AnalyzeFile) {
14250 while (currentMove < target) {
14251 SendMoveToProgram(currentMove++, &first);
14254 currentMove = target;
14257 if (gameMode == EditGame || gameMode == EndOfGame) {
14258 whiteTimeRemaining = timeRemaining[0][currentMove];
14259 blackTimeRemaining = timeRemaining[1][currentMove];
14261 DisplayBothClocks();
14262 DisplayMove(currentMove - 1);
14263 DrawPosition(FALSE, boards[currentMove]);
14264 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14265 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14266 DisplayComment(currentMove - 1, commentList[currentMove]);
14274 if (gameMode == IcsExamining && !pausing) {
14275 SendToICS(ics_prefix);
14276 SendToICS("forward\n");
14278 ForwardInner(currentMove + 1);
14285 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14286 /* to optimze, we temporarily turn off analysis mode while we feed
14287 * the remaining moves to the engine. Otherwise we get analysis output
14290 if (first.analysisSupport) {
14291 SendToProgram("exit\nforce\n", &first);
14292 first.analyzing = FALSE;
14296 if (gameMode == IcsExamining && !pausing) {
14297 SendToICS(ics_prefix);
14298 SendToICS("forward 999999\n");
14300 ForwardInner(forwardMostMove);
14303 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14304 /* we have fed all the moves, so reactivate analysis mode */
14305 SendToProgram("analyze\n", &first);
14306 first.analyzing = TRUE;
14307 /*first.maybeThinking = TRUE;*/
14308 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14313 BackwardInner (int target)
14315 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14317 if (appData.debugMode)
14318 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14319 target, currentMove, forwardMostMove);
14321 if (gameMode == EditPosition) return;
14322 seekGraphUp = FALSE;
14323 MarkTargetSquares(1);
14324 if (currentMove <= backwardMostMove) {
14326 DrawPosition(full_redraw, boards[currentMove]);
14329 if (gameMode == PlayFromGameFile && !pausing)
14332 if (moveList[target][0]) {
14333 int fromX, fromY, toX, toY;
14334 toX = moveList[target][2] - AAA;
14335 toY = moveList[target][3] - ONE;
14336 if (moveList[target][1] == '@') {
14337 if (appData.highlightLastMove) {
14338 SetHighlights(-1, -1, toX, toY);
14341 fromX = moveList[target][0] - AAA;
14342 fromY = moveList[target][1] - ONE;
14343 if (target == currentMove - 1) {
14344 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14346 if (appData.highlightLastMove) {
14347 SetHighlights(fromX, fromY, toX, toY);
14351 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14352 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14353 while (currentMove > target) {
14354 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14355 // null move cannot be undone. Reload program with move history before it.
14357 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14358 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14360 SendBoard(&first, i);
14361 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14364 SendToProgram("undo\n", &first);
14368 currentMove = target;
14371 if (gameMode == EditGame || gameMode == EndOfGame) {
14372 whiteTimeRemaining = timeRemaining[0][currentMove];
14373 blackTimeRemaining = timeRemaining[1][currentMove];
14375 DisplayBothClocks();
14376 DisplayMove(currentMove - 1);
14377 DrawPosition(full_redraw, boards[currentMove]);
14378 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14379 // [HGM] PV info: routine tests if comment empty
14380 DisplayComment(currentMove - 1, commentList[currentMove]);
14386 if (gameMode == IcsExamining && !pausing) {
14387 SendToICS(ics_prefix);
14388 SendToICS("backward\n");
14390 BackwardInner(currentMove - 1);
14397 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14398 /* to optimize, we temporarily turn off analysis mode while we undo
14399 * all the moves. Otherwise we get analysis output after each undo.
14401 if (first.analysisSupport) {
14402 SendToProgram("exit\nforce\n", &first);
14403 first.analyzing = FALSE;
14407 if (gameMode == IcsExamining && !pausing) {
14408 SendToICS(ics_prefix);
14409 SendToICS("backward 999999\n");
14411 BackwardInner(backwardMostMove);
14414 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14415 /* we have fed all the moves, so reactivate analysis mode */
14416 SendToProgram("analyze\n", &first);
14417 first.analyzing = TRUE;
14418 /*first.maybeThinking = TRUE;*/
14419 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14426 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14427 if (to >= forwardMostMove) to = forwardMostMove;
14428 if (to <= backwardMostMove) to = backwardMostMove;
14429 if (to < currentMove) {
14437 RevertEvent (Boolean annotate)
14439 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14442 if (gameMode != IcsExamining) {
14443 DisplayError(_("You are not examining a game"), 0);
14447 DisplayError(_("You can't revert while pausing"), 0);
14450 SendToICS(ics_prefix);
14451 SendToICS("revert\n");
14455 RetractMoveEvent ()
14457 switch (gameMode) {
14458 case MachinePlaysWhite:
14459 case MachinePlaysBlack:
14460 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14461 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14464 if (forwardMostMove < 2) return;
14465 currentMove = forwardMostMove = forwardMostMove - 2;
14466 whiteTimeRemaining = timeRemaining[0][currentMove];
14467 blackTimeRemaining = timeRemaining[1][currentMove];
14468 DisplayBothClocks();
14469 DisplayMove(currentMove - 1);
14470 ClearHighlights();/*!! could figure this out*/
14471 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14472 SendToProgram("remove\n", &first);
14473 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14476 case BeginningOfGame:
14480 case IcsPlayingWhite:
14481 case IcsPlayingBlack:
14482 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14483 SendToICS(ics_prefix);
14484 SendToICS("takeback 2\n");
14486 SendToICS(ics_prefix);
14487 SendToICS("takeback 1\n");
14496 ChessProgramState *cps;
14498 switch (gameMode) {
14499 case MachinePlaysWhite:
14500 if (!WhiteOnMove(forwardMostMove)) {
14501 DisplayError(_("It is your turn"), 0);
14506 case MachinePlaysBlack:
14507 if (WhiteOnMove(forwardMostMove)) {
14508 DisplayError(_("It is your turn"), 0);
14513 case TwoMachinesPlay:
14514 if (WhiteOnMove(forwardMostMove) ==
14515 (first.twoMachinesColor[0] == 'w')) {
14521 case BeginningOfGame:
14525 SendToProgram("?\n", cps);
14529 TruncateGameEvent ()
14532 if (gameMode != EditGame) return;
14539 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14540 if (forwardMostMove > currentMove) {
14541 if (gameInfo.resultDetails != NULL) {
14542 free(gameInfo.resultDetails);
14543 gameInfo.resultDetails = NULL;
14544 gameInfo.result = GameUnfinished;
14546 forwardMostMove = currentMove;
14547 HistorySet(parseList, backwardMostMove, forwardMostMove,
14555 if (appData.noChessProgram) return;
14556 switch (gameMode) {
14557 case MachinePlaysWhite:
14558 if (WhiteOnMove(forwardMostMove)) {
14559 DisplayError(_("Wait until your turn"), 0);
14563 case BeginningOfGame:
14564 case MachinePlaysBlack:
14565 if (!WhiteOnMove(forwardMostMove)) {
14566 DisplayError(_("Wait until your turn"), 0);
14571 DisplayError(_("No hint available"), 0);
14574 SendToProgram("hint\n", &first);
14575 hintRequested = TRUE;
14581 if (appData.noChessProgram) return;
14582 switch (gameMode) {
14583 case MachinePlaysWhite:
14584 if (WhiteOnMove(forwardMostMove)) {
14585 DisplayError(_("Wait until your turn"), 0);
14589 case BeginningOfGame:
14590 case MachinePlaysBlack:
14591 if (!WhiteOnMove(forwardMostMove)) {
14592 DisplayError(_("Wait until your turn"), 0);
14597 EditPositionDone(TRUE);
14599 case TwoMachinesPlay:
14604 SendToProgram("bk\n", &first);
14605 bookOutput[0] = NULLCHAR;
14606 bookRequested = TRUE;
14612 char *tags = PGNTags(&gameInfo);
14613 TagsPopUp(tags, CmailMsg());
14617 /* end button procedures */
14620 PrintPosition (FILE *fp, int move)
14624 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14625 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14626 char c = PieceToChar(boards[move][i][j]);
14627 fputc(c == 'x' ? '.' : c, fp);
14628 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14631 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14632 fprintf(fp, "white to play\n");
14634 fprintf(fp, "black to play\n");
14638 PrintOpponents (FILE *fp)
14640 if (gameInfo.white != NULL) {
14641 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14647 /* Find last component of program's own name, using some heuristics */
14649 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14652 int local = (strcmp(host, "localhost") == 0);
14653 while (!local && (p = strchr(prog, ';')) != NULL) {
14655 while (*p == ' ') p++;
14658 if (*prog == '"' || *prog == '\'') {
14659 q = strchr(prog + 1, *prog);
14661 q = strchr(prog, ' ');
14663 if (q == NULL) q = prog + strlen(prog);
14665 while (p >= prog && *p != '/' && *p != '\\') p--;
14667 if(p == prog && *p == '"') p++;
14668 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14669 memcpy(buf, p, q - p);
14670 buf[q - p] = NULLCHAR;
14678 TimeControlTagValue ()
14681 if (!appData.clockMode) {
14682 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14683 } else if (movesPerSession > 0) {
14684 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14685 } else if (timeIncrement == 0) {
14686 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14688 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14690 return StrSave(buf);
14696 /* This routine is used only for certain modes */
14697 VariantClass v = gameInfo.variant;
14698 ChessMove r = GameUnfinished;
14701 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14702 r = gameInfo.result;
14703 p = gameInfo.resultDetails;
14704 gameInfo.resultDetails = NULL;
14706 ClearGameInfo(&gameInfo);
14707 gameInfo.variant = v;
14709 switch (gameMode) {
14710 case MachinePlaysWhite:
14711 gameInfo.event = StrSave( appData.pgnEventHeader );
14712 gameInfo.site = StrSave(HostName());
14713 gameInfo.date = PGNDate();
14714 gameInfo.round = StrSave("-");
14715 gameInfo.white = StrSave(first.tidy);
14716 gameInfo.black = StrSave(UserName());
14717 gameInfo.timeControl = TimeControlTagValue();
14720 case MachinePlaysBlack:
14721 gameInfo.event = StrSave( appData.pgnEventHeader );
14722 gameInfo.site = StrSave(HostName());
14723 gameInfo.date = PGNDate();
14724 gameInfo.round = StrSave("-");
14725 gameInfo.white = StrSave(UserName());
14726 gameInfo.black = StrSave(first.tidy);
14727 gameInfo.timeControl = TimeControlTagValue();
14730 case TwoMachinesPlay:
14731 gameInfo.event = StrSave( appData.pgnEventHeader );
14732 gameInfo.site = StrSave(HostName());
14733 gameInfo.date = PGNDate();
14736 snprintf(buf, MSG_SIZ, "%d", roundNr);
14737 gameInfo.round = StrSave(buf);
14739 gameInfo.round = StrSave("-");
14741 if (first.twoMachinesColor[0] == 'w') {
14742 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14743 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14745 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14746 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14748 gameInfo.timeControl = TimeControlTagValue();
14752 gameInfo.event = StrSave("Edited game");
14753 gameInfo.site = StrSave(HostName());
14754 gameInfo.date = PGNDate();
14755 gameInfo.round = StrSave("-");
14756 gameInfo.white = StrSave("-");
14757 gameInfo.black = StrSave("-");
14758 gameInfo.result = r;
14759 gameInfo.resultDetails = p;
14763 gameInfo.event = StrSave("Edited position");
14764 gameInfo.site = StrSave(HostName());
14765 gameInfo.date = PGNDate();
14766 gameInfo.round = StrSave("-");
14767 gameInfo.white = StrSave("-");
14768 gameInfo.black = StrSave("-");
14771 case IcsPlayingWhite:
14772 case IcsPlayingBlack:
14777 case PlayFromGameFile:
14778 gameInfo.event = StrSave("Game from non-PGN file");
14779 gameInfo.site = StrSave(HostName());
14780 gameInfo.date = PGNDate();
14781 gameInfo.round = StrSave("-");
14782 gameInfo.white = StrSave("?");
14783 gameInfo.black = StrSave("?");
14792 ReplaceComment (int index, char *text)
14798 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14799 pvInfoList[index-1].depth == len &&
14800 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14801 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14802 while (*text == '\n') text++;
14803 len = strlen(text);
14804 while (len > 0 && text[len - 1] == '\n') len--;
14806 if (commentList[index] != NULL)
14807 free(commentList[index]);
14810 commentList[index] = NULL;
14813 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14814 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14815 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14816 commentList[index] = (char *) malloc(len + 2);
14817 strncpy(commentList[index], text, len);
14818 commentList[index][len] = '\n';
14819 commentList[index][len + 1] = NULLCHAR;
14821 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14823 commentList[index] = (char *) malloc(len + 7);
14824 safeStrCpy(commentList[index], "{\n", 3);
14825 safeStrCpy(commentList[index]+2, text, len+1);
14826 commentList[index][len+2] = NULLCHAR;
14827 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14828 strcat(commentList[index], "\n}\n");
14833 CrushCRs (char *text)
14841 if (ch == '\r') continue;
14843 } while (ch != '\0');
14847 AppendComment (int index, char *text, Boolean addBraces)
14848 /* addBraces tells if we should add {} */
14853 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14854 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14857 while (*text == '\n') text++;
14858 len = strlen(text);
14859 while (len > 0 && text[len - 1] == '\n') len--;
14860 text[len] = NULLCHAR;
14862 if (len == 0) return;
14864 if (commentList[index] != NULL) {
14865 Boolean addClosingBrace = addBraces;
14866 old = commentList[index];
14867 oldlen = strlen(old);
14868 while(commentList[index][oldlen-1] == '\n')
14869 commentList[index][--oldlen] = NULLCHAR;
14870 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14871 safeStrCpy(commentList[index], old, oldlen + len + 6);
14873 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14874 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14875 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14876 while (*text == '\n') { text++; len--; }
14877 commentList[index][--oldlen] = NULLCHAR;
14879 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14880 else strcat(commentList[index], "\n");
14881 strcat(commentList[index], text);
14882 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14883 else strcat(commentList[index], "\n");
14885 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14887 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14888 else commentList[index][0] = NULLCHAR;
14889 strcat(commentList[index], text);
14890 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14891 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14896 FindStr (char * text, char * sub_text)
14898 char * result = strstr( text, sub_text );
14900 if( result != NULL ) {
14901 result += strlen( sub_text );
14907 /* [AS] Try to extract PV info from PGN comment */
14908 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14910 GetInfoFromComment (int index, char * text)
14912 char * sep = text, *p;
14914 if( text != NULL && index > 0 ) {
14917 int time = -1, sec = 0, deci;
14918 char * s_eval = FindStr( text, "[%eval " );
14919 char * s_emt = FindStr( text, "[%emt " );
14921 if( s_eval != NULL || s_emt != NULL ) {
14925 if( s_eval != NULL ) {
14926 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14930 if( delim != ']' ) {
14935 if( s_emt != NULL ) {
14940 /* We expect something like: [+|-]nnn.nn/dd */
14943 if(*text != '{') return text; // [HGM] braces: must be normal comment
14945 sep = strchr( text, '/' );
14946 if( sep == NULL || sep < (text+4) ) {
14951 if(p[1] == '(') { // comment starts with PV
14952 p = strchr(p, ')'); // locate end of PV
14953 if(p == NULL || sep < p+5) return text;
14954 // at this point we have something like "{(.*) +0.23/6 ..."
14955 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14956 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14957 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14959 time = -1; sec = -1; deci = -1;
14960 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14961 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14962 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14963 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14967 if( score_lo < 0 || score_lo >= 100 ) {
14971 if(sec >= 0) time = 600*time + 10*sec; else
14972 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14974 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14976 /* [HGM] PV time: now locate end of PV info */
14977 while( *++sep >= '0' && *sep <= '9'); // strip depth
14979 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14981 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14983 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14984 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
14995 pvInfoList[index-1].depth = depth;
14996 pvInfoList[index-1].score = score;
14997 pvInfoList[index-1].time = 10*time; // centi-sec
14998 if(*sep == '}') *sep = 0; else *--sep = '{';
14999 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15005 SendToProgram (char *message, ChessProgramState *cps)
15007 int count, outCount, error;
15010 if (cps->pr == NoProc) return;
15013 if (appData.debugMode) {
15016 fprintf(debugFP, "%ld >%-6s: %s",
15017 SubtractTimeMarks(&now, &programStartTime),
15018 cps->which, message);
15021 count = strlen(message);
15022 outCount = OutputToProcess(cps->pr, message, count, &error);
15023 if (outCount < count && !exiting
15024 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15025 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15026 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15027 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15028 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15029 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15030 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15031 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15033 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15034 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15035 gameInfo.result = res;
15037 gameInfo.resultDetails = StrSave(buf);
15039 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15040 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15045 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15049 ChessProgramState *cps = (ChessProgramState *)closure;
15051 if (isr != cps->isr) return; /* Killed intentionally */
15054 RemoveInputSource(cps->isr);
15055 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15056 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15057 _(cps->which), cps->program);
15058 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15059 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15060 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15061 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15062 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15064 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15065 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15066 gameInfo.result = res;
15068 gameInfo.resultDetails = StrSave(buf);
15070 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15071 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15073 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15074 _(cps->which), cps->program);
15075 RemoveInputSource(cps->isr);
15077 /* [AS] Program is misbehaving badly... kill it */
15078 if( count == -2 ) {
15079 DestroyChildProcess( cps->pr, 9 );
15083 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15088 if ((end_str = strchr(message, '\r')) != NULL)
15089 *end_str = NULLCHAR;
15090 if ((end_str = strchr(message, '\n')) != NULL)
15091 *end_str = NULLCHAR;
15093 if (appData.debugMode) {
15094 TimeMark now; int print = 1;
15095 char *quote = ""; char c; int i;
15097 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15098 char start = message[0];
15099 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15100 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15101 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15102 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15103 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15104 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15105 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15106 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15107 sscanf(message, "hint: %c", &c)!=1 &&
15108 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15109 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15110 print = (appData.engineComments >= 2);
15112 message[0] = start; // restore original message
15116 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15117 SubtractTimeMarks(&now, &programStartTime), cps->which,
15123 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15124 if (appData.icsEngineAnalyze) {
15125 if (strstr(message, "whisper") != NULL ||
15126 strstr(message, "kibitz") != NULL ||
15127 strstr(message, "tellics") != NULL) return;
15130 HandleMachineMove(message, cps);
15135 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15140 if( timeControl_2 > 0 ) {
15141 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15142 tc = timeControl_2;
15145 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15146 inc /= cps->timeOdds;
15147 st /= cps->timeOdds;
15149 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15152 /* Set exact time per move, normally using st command */
15153 if (cps->stKludge) {
15154 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15156 if (seconds == 0) {
15157 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15159 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15162 snprintf(buf, MSG_SIZ, "st %d\n", st);
15165 /* Set conventional or incremental time control, using level command */
15166 if (seconds == 0) {
15167 /* Note old gnuchess bug -- minutes:seconds used to not work.
15168 Fixed in later versions, but still avoid :seconds
15169 when seconds is 0. */
15170 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15172 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15173 seconds, inc/1000.);
15176 SendToProgram(buf, cps);
15178 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15179 /* Orthogonally, limit search to given depth */
15181 if (cps->sdKludge) {
15182 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15184 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15186 SendToProgram(buf, cps);
15189 if(cps->nps >= 0) { /* [HGM] nps */
15190 if(cps->supportsNPS == FALSE)
15191 cps->nps = -1; // don't use if engine explicitly says not supported!
15193 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15194 SendToProgram(buf, cps);
15199 ChessProgramState *
15201 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15203 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15204 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15210 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15212 char message[MSG_SIZ];
15215 /* Note: this routine must be called when the clocks are stopped
15216 or when they have *just* been set or switched; otherwise
15217 it will be off by the time since the current tick started.
15219 if (machineWhite) {
15220 time = whiteTimeRemaining / 10;
15221 otime = blackTimeRemaining / 10;
15223 time = blackTimeRemaining / 10;
15224 otime = whiteTimeRemaining / 10;
15226 /* [HGM] translate opponent's time by time-odds factor */
15227 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15228 if (appData.debugMode) {
15229 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15232 if (time <= 0) time = 1;
15233 if (otime <= 0) otime = 1;
15235 snprintf(message, MSG_SIZ, "time %ld\n", time);
15236 SendToProgram(message, cps);
15238 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15239 SendToProgram(message, cps);
15243 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15246 int len = strlen(name);
15249 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15251 sscanf(*p, "%d", &val);
15253 while (**p && **p != ' ')
15255 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15256 SendToProgram(buf, cps);
15263 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15266 int len = strlen(name);
15267 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15269 sscanf(*p, "%d", loc);
15270 while (**p && **p != ' ') (*p)++;
15271 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15272 SendToProgram(buf, cps);
15279 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15282 int len = strlen(name);
15283 if (strncmp((*p), name, len) == 0
15284 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15286 sscanf(*p, "%[^\"]", loc);
15287 while (**p && **p != '\"') (*p)++;
15288 if (**p == '\"') (*p)++;
15289 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15290 SendToProgram(buf, cps);
15297 ParseOption (Option *opt, ChessProgramState *cps)
15298 // [HGM] options: process the string that defines an engine option, and determine
15299 // name, type, default value, and allowed value range
15301 char *p, *q, buf[MSG_SIZ];
15302 int n, min = (-1)<<31, max = 1<<31, def;
15304 if(p = strstr(opt->name, " -spin ")) {
15305 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15306 if(max < min) max = min; // enforce consistency
15307 if(def < min) def = min;
15308 if(def > max) def = max;
15313 } else if((p = strstr(opt->name, " -slider "))) {
15314 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15315 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15316 if(max < min) max = min; // enforce consistency
15317 if(def < min) def = min;
15318 if(def > max) def = max;
15322 opt->type = Spin; // Slider;
15323 } else if((p = strstr(opt->name, " -string "))) {
15324 opt->textValue = p+9;
15325 opt->type = TextBox;
15326 } else if((p = strstr(opt->name, " -file "))) {
15327 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15328 opt->textValue = p+7;
15329 opt->type = FileName; // FileName;
15330 } else if((p = strstr(opt->name, " -path "))) {
15331 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15332 opt->textValue = p+7;
15333 opt->type = PathName; // PathName;
15334 } else if(p = strstr(opt->name, " -check ")) {
15335 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15336 opt->value = (def != 0);
15337 opt->type = CheckBox;
15338 } else if(p = strstr(opt->name, " -combo ")) {
15339 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15340 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15341 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15342 opt->value = n = 0;
15343 while(q = StrStr(q, " /// ")) {
15344 n++; *q = 0; // count choices, and null-terminate each of them
15346 if(*q == '*') { // remember default, which is marked with * prefix
15350 cps->comboList[cps->comboCnt++] = q;
15352 cps->comboList[cps->comboCnt++] = NULL;
15354 opt->type = ComboBox;
15355 } else if(p = strstr(opt->name, " -button")) {
15356 opt->type = Button;
15357 } else if(p = strstr(opt->name, " -save")) {
15358 opt->type = SaveButton;
15359 } else return FALSE;
15360 *p = 0; // terminate option name
15361 // now look if the command-line options define a setting for this engine option.
15362 if(cps->optionSettings && cps->optionSettings[0])
15363 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15364 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15365 snprintf(buf, MSG_SIZ, "option %s", p);
15366 if(p = strstr(buf, ",")) *p = 0;
15367 if(q = strchr(buf, '=')) switch(opt->type) {
15369 for(n=0; n<opt->max; n++)
15370 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15373 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15377 opt->value = atoi(q+1);
15382 SendToProgram(buf, cps);
15388 FeatureDone (ChessProgramState *cps, int val)
15390 DelayedEventCallback cb = GetDelayedEvent();
15391 if ((cb == InitBackEnd3 && cps == &first) ||
15392 (cb == SettingsMenuIfReady && cps == &second) ||
15393 (cb == LoadEngine) ||
15394 (cb == TwoMachinesEventIfReady)) {
15395 CancelDelayedEvent();
15396 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15398 cps->initDone = val;
15401 /* Parse feature command from engine */
15403 ParseFeatures (char *args, ChessProgramState *cps)
15411 while (*p == ' ') p++;
15412 if (*p == NULLCHAR) return;
15414 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15415 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15416 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15417 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15418 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15419 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15420 if (BoolFeature(&p, "reuse", &val, cps)) {
15421 /* Engine can disable reuse, but can't enable it if user said no */
15422 if (!val) cps->reuse = FALSE;
15425 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15426 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15427 if (gameMode == TwoMachinesPlay) {
15428 DisplayTwoMachinesTitle();
15434 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15435 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15436 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15437 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15438 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15439 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15440 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15441 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15442 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15443 if (IntFeature(&p, "done", &val, cps)) {
15444 FeatureDone(cps, val);
15447 /* Added by Tord: */
15448 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15449 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15450 /* End of additions by Tord */
15452 /* [HGM] added features: */
15453 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15454 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15455 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15456 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15457 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15458 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15459 if (StringFeature(&p, "option", cps->option[cps->nrOptions].name, cps)) {
15460 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15461 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15462 SendToProgram(buf, cps);
15465 if(cps->nrOptions >= MAX_OPTIONS) {
15467 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15468 DisplayError(buf, 0);
15472 /* End of additions by HGM */
15474 /* unknown feature: complain and skip */
15476 while (*q && *q != '=') q++;
15477 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15478 SendToProgram(buf, cps);
15484 while (*p && *p != '\"') p++;
15485 if (*p == '\"') p++;
15487 while (*p && *p != ' ') p++;
15495 PeriodicUpdatesEvent (int newState)
15497 if (newState == appData.periodicUpdates)
15500 appData.periodicUpdates=newState;
15502 /* Display type changes, so update it now */
15503 // DisplayAnalysis();
15505 /* Get the ball rolling again... */
15507 AnalysisPeriodicEvent(1);
15508 StartAnalysisClock();
15513 PonderNextMoveEvent (int newState)
15515 if (newState == appData.ponderNextMove) return;
15516 if (gameMode == EditPosition) EditPositionDone(TRUE);
15518 SendToProgram("hard\n", &first);
15519 if (gameMode == TwoMachinesPlay) {
15520 SendToProgram("hard\n", &second);
15523 SendToProgram("easy\n", &first);
15524 thinkOutput[0] = NULLCHAR;
15525 if (gameMode == TwoMachinesPlay) {
15526 SendToProgram("easy\n", &second);
15529 appData.ponderNextMove = newState;
15533 NewSettingEvent (int option, int *feature, char *command, int value)
15537 if (gameMode == EditPosition) EditPositionDone(TRUE);
15538 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15539 if(feature == NULL || *feature) SendToProgram(buf, &first);
15540 if (gameMode == TwoMachinesPlay) {
15541 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15546 ShowThinkingEvent ()
15547 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15549 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15550 int newState = appData.showThinking
15551 // [HGM] thinking: other features now need thinking output as well
15552 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15554 if (oldState == newState) return;
15555 oldState = newState;
15556 if (gameMode == EditPosition) EditPositionDone(TRUE);
15558 SendToProgram("post\n", &first);
15559 if (gameMode == TwoMachinesPlay) {
15560 SendToProgram("post\n", &second);
15563 SendToProgram("nopost\n", &first);
15564 thinkOutput[0] = NULLCHAR;
15565 if (gameMode == TwoMachinesPlay) {
15566 SendToProgram("nopost\n", &second);
15569 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15573 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15575 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15576 if (pr == NoProc) return;
15577 AskQuestion(title, question, replyPrefix, pr);
15581 TypeInEvent (char firstChar)
15583 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15584 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15585 gameMode == AnalyzeMode || gameMode == EditGame ||
15586 gameMode == EditPosition || gameMode == IcsExamining ||
15587 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15588 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15589 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15590 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15591 gameMode == Training) PopUpMoveDialog(firstChar);
15595 TypeInDoneEvent (char *move)
15598 int n, fromX, fromY, toX, toY;
15600 ChessMove moveType;
15603 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15604 EditPositionPasteFEN(move);
15607 // [HGM] movenum: allow move number to be typed in any mode
15608 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15613 if (gameMode != EditGame && currentMove != forwardMostMove &&
15614 gameMode != Training) {
15615 DisplayMoveError(_("Displayed move is not current"));
15617 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15618 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15619 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15620 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15621 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15622 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15624 DisplayMoveError(_("Could not parse move"));
15630 DisplayMove (int moveNumber)
15632 char message[MSG_SIZ];
15634 char cpThinkOutput[MSG_SIZ];
15636 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15638 if (moveNumber == forwardMostMove - 1 ||
15639 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15641 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15643 if (strchr(cpThinkOutput, '\n')) {
15644 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15647 *cpThinkOutput = NULLCHAR;
15650 /* [AS] Hide thinking from human user */
15651 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15652 *cpThinkOutput = NULLCHAR;
15653 if( thinkOutput[0] != NULLCHAR ) {
15656 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15657 cpThinkOutput[i] = '.';
15659 cpThinkOutput[i] = NULLCHAR;
15660 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15664 if (moveNumber == forwardMostMove - 1 &&
15665 gameInfo.resultDetails != NULL) {
15666 if (gameInfo.resultDetails[0] == NULLCHAR) {
15667 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15669 snprintf(res, MSG_SIZ, " {%s} %s",
15670 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15676 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15677 DisplayMessage(res, cpThinkOutput);
15679 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15680 WhiteOnMove(moveNumber) ? " " : ".. ",
15681 parseList[moveNumber], res);
15682 DisplayMessage(message, cpThinkOutput);
15687 DisplayComment (int moveNumber, char *text)
15689 char title[MSG_SIZ];
15691 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15692 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15694 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15695 WhiteOnMove(moveNumber) ? " " : ".. ",
15696 parseList[moveNumber]);
15698 if (text != NULL && (appData.autoDisplayComment || commentUp))
15699 CommentPopUp(title, text);
15702 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15703 * might be busy thinking or pondering. It can be omitted if your
15704 * gnuchess is configured to stop thinking immediately on any user
15705 * input. However, that gnuchess feature depends on the FIONREAD
15706 * ioctl, which does not work properly on some flavors of Unix.
15709 Attention (ChessProgramState *cps)
15712 if (!cps->useSigint) return;
15713 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15714 switch (gameMode) {
15715 case MachinePlaysWhite:
15716 case MachinePlaysBlack:
15717 case TwoMachinesPlay:
15718 case IcsPlayingWhite:
15719 case IcsPlayingBlack:
15722 /* Skip if we know it isn't thinking */
15723 if (!cps->maybeThinking) return;
15724 if (appData.debugMode)
15725 fprintf(debugFP, "Interrupting %s\n", cps->which);
15726 InterruptChildProcess(cps->pr);
15727 cps->maybeThinking = FALSE;
15732 #endif /*ATTENTION*/
15738 if (whiteTimeRemaining <= 0) {
15741 if (appData.icsActive) {
15742 if (appData.autoCallFlag &&
15743 gameMode == IcsPlayingBlack && !blackFlag) {
15744 SendToICS(ics_prefix);
15745 SendToICS("flag\n");
15749 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15751 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15752 if (appData.autoCallFlag) {
15753 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15760 if (blackTimeRemaining <= 0) {
15763 if (appData.icsActive) {
15764 if (appData.autoCallFlag &&
15765 gameMode == IcsPlayingWhite && !whiteFlag) {
15766 SendToICS(ics_prefix);
15767 SendToICS("flag\n");
15771 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15773 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15774 if (appData.autoCallFlag) {
15775 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15786 CheckTimeControl ()
15788 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15789 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15792 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15794 if ( !WhiteOnMove(forwardMostMove) ) {
15795 /* White made time control */
15796 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15797 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15798 /* [HGM] time odds: correct new time quota for time odds! */
15799 / WhitePlayer()->timeOdds;
15800 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15802 lastBlack -= blackTimeRemaining;
15803 /* Black made time control */
15804 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15805 / WhitePlayer()->other->timeOdds;
15806 lastWhite = whiteTimeRemaining;
15811 DisplayBothClocks ()
15813 int wom = gameMode == EditPosition ?
15814 !blackPlaysFirst : WhiteOnMove(currentMove);
15815 DisplayWhiteClock(whiteTimeRemaining, wom);
15816 DisplayBlackClock(blackTimeRemaining, !wom);
15820 /* Timekeeping seems to be a portability nightmare. I think everyone
15821 has ftime(), but I'm really not sure, so I'm including some ifdefs
15822 to use other calls if you don't. Clocks will be less accurate if
15823 you have neither ftime nor gettimeofday.
15826 /* VS 2008 requires the #include outside of the function */
15827 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15828 #include <sys/timeb.h>
15831 /* Get the current time as a TimeMark */
15833 GetTimeMark (TimeMark *tm)
15835 #if HAVE_GETTIMEOFDAY
15837 struct timeval timeVal;
15838 struct timezone timeZone;
15840 gettimeofday(&timeVal, &timeZone);
15841 tm->sec = (long) timeVal.tv_sec;
15842 tm->ms = (int) (timeVal.tv_usec / 1000L);
15844 #else /*!HAVE_GETTIMEOFDAY*/
15847 // include <sys/timeb.h> / moved to just above start of function
15848 struct timeb timeB;
15851 tm->sec = (long) timeB.time;
15852 tm->ms = (int) timeB.millitm;
15854 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15855 tm->sec = (long) time(NULL);
15861 /* Return the difference in milliseconds between two
15862 time marks. We assume the difference will fit in a long!
15865 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
15867 return 1000L*(tm2->sec - tm1->sec) +
15868 (long) (tm2->ms - tm1->ms);
15873 * Code to manage the game clocks.
15875 * In tournament play, black starts the clock and then white makes a move.
15876 * We give the human user a slight advantage if he is playing white---the
15877 * clocks don't run until he makes his first move, so it takes zero time.
15878 * Also, we don't account for network lag, so we could get out of sync
15879 * with GNU Chess's clock -- but then, referees are always right.
15882 static TimeMark tickStartTM;
15883 static long intendedTickLength;
15886 NextTickLength (long timeRemaining)
15888 long nominalTickLength, nextTickLength;
15890 if (timeRemaining > 0L && timeRemaining <= 10000L)
15891 nominalTickLength = 100L;
15893 nominalTickLength = 1000L;
15894 nextTickLength = timeRemaining % nominalTickLength;
15895 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15897 return nextTickLength;
15900 /* Adjust clock one minute up or down */
15902 AdjustClock (Boolean which, int dir)
15904 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15905 if(which) blackTimeRemaining += 60000*dir;
15906 else whiteTimeRemaining += 60000*dir;
15907 DisplayBothClocks();
15908 adjustedClock = TRUE;
15911 /* Stop clocks and reset to a fresh time control */
15915 (void) StopClockTimer();
15916 if (appData.icsActive) {
15917 whiteTimeRemaining = blackTimeRemaining = 0;
15918 } else if (searchTime) {
15919 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15920 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15921 } else { /* [HGM] correct new time quote for time odds */
15922 whiteTC = blackTC = fullTimeControlString;
15923 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15924 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15926 if (whiteFlag || blackFlag) {
15928 whiteFlag = blackFlag = FALSE;
15930 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15931 DisplayBothClocks();
15932 adjustedClock = FALSE;
15935 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15937 /* Decrement running clock by amount of time that has passed */
15941 long timeRemaining;
15942 long lastTickLength, fudge;
15945 if (!appData.clockMode) return;
15946 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15950 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15952 /* Fudge if we woke up a little too soon */
15953 fudge = intendedTickLength - lastTickLength;
15954 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15956 if (WhiteOnMove(forwardMostMove)) {
15957 if(whiteNPS >= 0) lastTickLength = 0;
15958 timeRemaining = whiteTimeRemaining -= lastTickLength;
15959 if(timeRemaining < 0 && !appData.icsActive) {
15960 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15961 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15962 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15963 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15966 DisplayWhiteClock(whiteTimeRemaining - fudge,
15967 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15969 if(blackNPS >= 0) lastTickLength = 0;
15970 timeRemaining = blackTimeRemaining -= lastTickLength;
15971 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15972 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15974 blackStartMove = forwardMostMove;
15975 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15978 DisplayBlackClock(blackTimeRemaining - fudge,
15979 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15981 if (CheckFlags()) return;
15984 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15985 StartClockTimer(intendedTickLength);
15987 /* if the time remaining has fallen below the alarm threshold, sound the
15988 * alarm. if the alarm has sounded and (due to a takeback or time control
15989 * with increment) the time remaining has increased to a level above the
15990 * threshold, reset the alarm so it can sound again.
15993 if (appData.icsActive && appData.icsAlarm) {
15995 /* make sure we are dealing with the user's clock */
15996 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15997 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16000 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16001 alarmSounded = FALSE;
16002 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16004 alarmSounded = TRUE;
16010 /* A player has just moved, so stop the previously running
16011 clock and (if in clock mode) start the other one.
16012 We redisplay both clocks in case we're in ICS mode, because
16013 ICS gives us an update to both clocks after every move.
16014 Note that this routine is called *after* forwardMostMove
16015 is updated, so the last fractional tick must be subtracted
16016 from the color that is *not* on move now.
16019 SwitchClocks (int newMoveNr)
16021 long lastTickLength;
16023 int flagged = FALSE;
16027 if (StopClockTimer() && appData.clockMode) {
16028 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16029 if (!WhiteOnMove(forwardMostMove)) {
16030 if(blackNPS >= 0) lastTickLength = 0;
16031 blackTimeRemaining -= lastTickLength;
16032 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16033 // if(pvInfoList[forwardMostMove].time == -1)
16034 pvInfoList[forwardMostMove].time = // use GUI time
16035 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16037 if(whiteNPS >= 0) lastTickLength = 0;
16038 whiteTimeRemaining -= lastTickLength;
16039 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16040 // if(pvInfoList[forwardMostMove].time == -1)
16041 pvInfoList[forwardMostMove].time =
16042 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16044 flagged = CheckFlags();
16046 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16047 CheckTimeControl();
16049 if (flagged || !appData.clockMode) return;
16051 switch (gameMode) {
16052 case MachinePlaysBlack:
16053 case MachinePlaysWhite:
16054 case BeginningOfGame:
16055 if (pausing) return;
16059 case PlayFromGameFile:
16067 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16068 if(WhiteOnMove(forwardMostMove))
16069 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16070 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16074 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16075 whiteTimeRemaining : blackTimeRemaining);
16076 StartClockTimer(intendedTickLength);
16080 /* Stop both clocks */
16084 long lastTickLength;
16087 if (!StopClockTimer()) return;
16088 if (!appData.clockMode) return;
16092 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16093 if (WhiteOnMove(forwardMostMove)) {
16094 if(whiteNPS >= 0) lastTickLength = 0;
16095 whiteTimeRemaining -= lastTickLength;
16096 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16098 if(blackNPS >= 0) lastTickLength = 0;
16099 blackTimeRemaining -= lastTickLength;
16100 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16105 /* Start clock of player on move. Time may have been reset, so
16106 if clock is already running, stop and restart it. */
16110 (void) StopClockTimer(); /* in case it was running already */
16111 DisplayBothClocks();
16112 if (CheckFlags()) return;
16114 if (!appData.clockMode) return;
16115 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16117 GetTimeMark(&tickStartTM);
16118 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16119 whiteTimeRemaining : blackTimeRemaining);
16121 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16122 whiteNPS = blackNPS = -1;
16123 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16124 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16125 whiteNPS = first.nps;
16126 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16127 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16128 blackNPS = first.nps;
16129 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16130 whiteNPS = second.nps;
16131 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16132 blackNPS = second.nps;
16133 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16135 StartClockTimer(intendedTickLength);
16139 TimeString (long ms)
16141 long second, minute, hour, day;
16143 static char buf[32];
16145 if (ms > 0 && ms <= 9900) {
16146 /* convert milliseconds to tenths, rounding up */
16147 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16149 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16153 /* convert milliseconds to seconds, rounding up */
16154 /* use floating point to avoid strangeness of integer division
16155 with negative dividends on many machines */
16156 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16163 day = second / (60 * 60 * 24);
16164 second = second % (60 * 60 * 24);
16165 hour = second / (60 * 60);
16166 second = second % (60 * 60);
16167 minute = second / 60;
16168 second = second % 60;
16171 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16172 sign, day, hour, minute, second);
16174 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16176 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16183 * This is necessary because some C libraries aren't ANSI C compliant yet.
16186 StrStr (char *string, char *match)
16190 length = strlen(match);
16192 for (i = strlen(string) - length; i >= 0; i--, string++)
16193 if (!strncmp(match, string, length))
16200 StrCaseStr (char *string, char *match)
16204 length = strlen(match);
16206 for (i = strlen(string) - length; i >= 0; i--, string++) {
16207 for (j = 0; j < length; j++) {
16208 if (ToLower(match[j]) != ToLower(string[j]))
16211 if (j == length) return string;
16219 StrCaseCmp (char *s1, char *s2)
16224 c1 = ToLower(*s1++);
16225 c2 = ToLower(*s2++);
16226 if (c1 > c2) return 1;
16227 if (c1 < c2) return -1;
16228 if (c1 == NULLCHAR) return 0;
16236 return isupper(c) ? tolower(c) : c;
16243 return islower(c) ? toupper(c) : c;
16245 #endif /* !_amigados */
16252 if ((ret = (char *) malloc(strlen(s) + 1)))
16254 safeStrCpy(ret, s, strlen(s)+1);
16260 StrSavePtr (char *s, char **savePtr)
16265 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16266 safeStrCpy(*savePtr, s, strlen(s)+1);
16278 clock = time((time_t *)NULL);
16279 tm = localtime(&clock);
16280 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16281 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16282 return StrSave(buf);
16287 PositionToFEN (int move, char *overrideCastling)
16289 int i, j, fromX, fromY, toX, toY;
16296 whiteToPlay = (gameMode == EditPosition) ?
16297 !blackPlaysFirst : (move % 2 == 0);
16300 /* Piece placement data */
16301 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16302 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16304 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16305 if (boards[move][i][j] == EmptySquare) {
16307 } else { ChessSquare piece = boards[move][i][j];
16308 if (emptycount > 0) {
16309 if(emptycount<10) /* [HGM] can be >= 10 */
16310 *p++ = '0' + emptycount;
16311 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16314 if(PieceToChar(piece) == '+') {
16315 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16317 piece = (ChessSquare)(DEMOTED piece);
16319 *p++ = PieceToChar(piece);
16321 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16322 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16327 if (emptycount > 0) {
16328 if(emptycount<10) /* [HGM] can be >= 10 */
16329 *p++ = '0' + emptycount;
16330 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16337 /* [HGM] print Crazyhouse or Shogi holdings */
16338 if( gameInfo.holdingsWidth ) {
16339 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16341 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16342 piece = boards[move][i][BOARD_WIDTH-1];
16343 if( piece != EmptySquare )
16344 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16345 *p++ = PieceToChar(piece);
16347 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16348 piece = boards[move][BOARD_HEIGHT-i-1][0];
16349 if( piece != EmptySquare )
16350 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16351 *p++ = PieceToChar(piece);
16354 if( q == p ) *p++ = '-';
16360 *p++ = whiteToPlay ? 'w' : 'b';
16363 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16364 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16366 if(nrCastlingRights) {
16368 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16369 /* [HGM] write directly from rights */
16370 if(boards[move][CASTLING][2] != NoRights &&
16371 boards[move][CASTLING][0] != NoRights )
16372 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16373 if(boards[move][CASTLING][2] != NoRights &&
16374 boards[move][CASTLING][1] != NoRights )
16375 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16376 if(boards[move][CASTLING][5] != NoRights &&
16377 boards[move][CASTLING][3] != NoRights )
16378 *p++ = boards[move][CASTLING][3] + AAA;
16379 if(boards[move][CASTLING][5] != NoRights &&
16380 boards[move][CASTLING][4] != NoRights )
16381 *p++ = boards[move][CASTLING][4] + AAA;
16384 /* [HGM] write true castling rights */
16385 if( nrCastlingRights == 6 ) {
16386 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16387 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16388 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16389 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16390 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16391 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16392 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16393 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16396 if (q == p) *p++ = '-'; /* No castling rights */
16400 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16401 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16402 /* En passant target square */
16403 if (move > backwardMostMove) {
16404 fromX = moveList[move - 1][0] - AAA;
16405 fromY = moveList[move - 1][1] - ONE;
16406 toX = moveList[move - 1][2] - AAA;
16407 toY = moveList[move - 1][3] - ONE;
16408 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16409 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16410 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16412 /* 2-square pawn move just happened */
16414 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16418 } else if(move == backwardMostMove) {
16419 // [HGM] perhaps we should always do it like this, and forget the above?
16420 if((signed char)boards[move][EP_STATUS] >= 0) {
16421 *p++ = boards[move][EP_STATUS] + AAA;
16422 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16433 /* [HGM] find reversible plies */
16434 { int i = 0, j=move;
16436 if (appData.debugMode) { int k;
16437 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16438 for(k=backwardMostMove; k<=forwardMostMove; k++)
16439 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16443 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16444 if( j == backwardMostMove ) i += initialRulePlies;
16445 sprintf(p, "%d ", i);
16446 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16448 /* Fullmove number */
16449 sprintf(p, "%d", (move / 2) + 1);
16451 return StrSave(buf);
16455 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16464 /* [HGM] by default clear Crazyhouse holdings, if present */
16465 if(gameInfo.holdingsWidth) {
16466 for(i=0; i<BOARD_HEIGHT; i++) {
16467 board[i][0] = EmptySquare; /* black holdings */
16468 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16469 board[i][1] = (ChessSquare) 0; /* black counts */
16470 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16474 /* Piece placement data */
16475 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16478 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16479 if (*p == '/') p++;
16480 emptycount = gameInfo.boardWidth - j;
16481 while (emptycount--)
16482 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16484 #if(BOARD_FILES >= 10)
16485 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16486 p++; emptycount=10;
16487 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16488 while (emptycount--)
16489 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16491 } else if (isdigit(*p)) {
16492 emptycount = *p++ - '0';
16493 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16494 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16495 while (emptycount--)
16496 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16497 } else if (*p == '+' || isalpha(*p)) {
16498 if (j >= gameInfo.boardWidth) return FALSE;
16500 piece = CharToPiece(*++p);
16501 if(piece == EmptySquare) return FALSE; /* unknown piece */
16502 piece = (ChessSquare) (PROMOTED piece ); p++;
16503 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16504 } else piece = CharToPiece(*p++);
16506 if(piece==EmptySquare) return FALSE; /* unknown piece */
16507 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16508 piece = (ChessSquare) (PROMOTED piece);
16509 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16512 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16518 while (*p == '/' || *p == ' ') p++;
16520 /* [HGM] look for Crazyhouse holdings here */
16521 while(*p==' ') p++;
16522 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16524 if(*p == '-' ) p++; /* empty holdings */ else {
16525 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16526 /* if we would allow FEN reading to set board size, we would */
16527 /* have to add holdings and shift the board read so far here */
16528 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16530 if((int) piece >= (int) BlackPawn ) {
16531 i = (int)piece - (int)BlackPawn;
16532 i = PieceToNumber((ChessSquare)i);
16533 if( i >= gameInfo.holdingsSize ) return FALSE;
16534 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16535 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16537 i = (int)piece - (int)WhitePawn;
16538 i = PieceToNumber((ChessSquare)i);
16539 if( i >= gameInfo.holdingsSize ) return FALSE;
16540 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16541 board[i][BOARD_WIDTH-2]++; /* black holdings */
16548 while(*p == ' ') p++;
16552 if(appData.colorNickNames) {
16553 if( c == appData.colorNickNames[0] ) c = 'w'; else
16554 if( c == appData.colorNickNames[1] ) c = 'b';
16558 *blackPlaysFirst = FALSE;
16561 *blackPlaysFirst = TRUE;
16567 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16568 /* return the extra info in global variiables */
16570 /* set defaults in case FEN is incomplete */
16571 board[EP_STATUS] = EP_UNKNOWN;
16572 for(i=0; i<nrCastlingRights; i++ ) {
16573 board[CASTLING][i] =
16574 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16575 } /* assume possible unless obviously impossible */
16576 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16577 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16578 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16579 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16580 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16581 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16582 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16583 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16586 while(*p==' ') p++;
16587 if(nrCastlingRights) {
16588 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16589 /* castling indicator present, so default becomes no castlings */
16590 for(i=0; i<nrCastlingRights; i++ ) {
16591 board[CASTLING][i] = NoRights;
16594 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16595 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16596 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16597 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16598 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16600 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16601 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16602 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16604 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16605 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16606 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16607 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16608 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16609 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16612 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16613 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16614 board[CASTLING][2] = whiteKingFile;
16617 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16618 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16619 board[CASTLING][2] = whiteKingFile;
16622 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16623 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16624 board[CASTLING][5] = blackKingFile;
16627 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16628 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16629 board[CASTLING][5] = blackKingFile;
16632 default: /* FRC castlings */
16633 if(c >= 'a') { /* black rights */
16634 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16635 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16636 if(i == BOARD_RGHT) break;
16637 board[CASTLING][5] = i;
16639 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16640 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16642 board[CASTLING][3] = c;
16644 board[CASTLING][4] = c;
16645 } else { /* white rights */
16646 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16647 if(board[0][i] == WhiteKing) break;
16648 if(i == BOARD_RGHT) break;
16649 board[CASTLING][2] = i;
16650 c -= AAA - 'a' + 'A';
16651 if(board[0][c] >= WhiteKing) break;
16653 board[CASTLING][0] = c;
16655 board[CASTLING][1] = c;
16659 for(i=0; i<nrCastlingRights; i++)
16660 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16661 if (appData.debugMode) {
16662 fprintf(debugFP, "FEN castling rights:");
16663 for(i=0; i<nrCastlingRights; i++)
16664 fprintf(debugFP, " %d", board[CASTLING][i]);
16665 fprintf(debugFP, "\n");
16668 while(*p==' ') p++;
16671 /* read e.p. field in games that know e.p. capture */
16672 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16673 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16675 p++; board[EP_STATUS] = EP_NONE;
16677 char c = *p++ - AAA;
16679 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16680 if(*p >= '0' && *p <='9') p++;
16681 board[EP_STATUS] = c;
16686 if(sscanf(p, "%d", &i) == 1) {
16687 FENrulePlies = i; /* 50-move ply counter */
16688 /* (The move number is still ignored) */
16695 EditPositionPasteFEN (char *fen)
16698 Board initial_position;
16700 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16701 DisplayError(_("Bad FEN position in clipboard"), 0);
16704 int savedBlackPlaysFirst = blackPlaysFirst;
16705 EditPositionEvent();
16706 blackPlaysFirst = savedBlackPlaysFirst;
16707 CopyBoard(boards[0], initial_position);
16708 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16709 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16710 DisplayBothClocks();
16711 DrawPosition(FALSE, boards[currentMove]);
16716 static char cseq[12] = "\\ ";
16719 set_cont_sequence (char *new_seq)
16724 // handle bad attempts to set the sequence
16726 return 0; // acceptable error - no debug
16728 len = strlen(new_seq);
16729 ret = (len > 0) && (len < sizeof(cseq));
16731 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16732 else if (appData.debugMode)
16733 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16738 reformat a source message so words don't cross the width boundary. internal
16739 newlines are not removed. returns the wrapped size (no null character unless
16740 included in source message). If dest is NULL, only calculate the size required
16741 for the dest buffer. lp argument indicats line position upon entry, and it's
16742 passed back upon exit.
16745 wrap (char *dest, char *src, int count, int width, int *lp)
16747 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16749 cseq_len = strlen(cseq);
16750 old_line = line = *lp;
16751 ansi = len = clen = 0;
16753 for (i=0; i < count; i++)
16755 if (src[i] == '\033')
16758 // if we hit the width, back up
16759 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16761 // store i & len in case the word is too long
16762 old_i = i, old_len = len;
16764 // find the end of the last word
16765 while (i && src[i] != ' ' && src[i] != '\n')
16771 // word too long? restore i & len before splitting it
16772 if ((old_i-i+clen) >= width)
16779 if (i && src[i-1] == ' ')
16782 if (src[i] != ' ' && src[i] != '\n')
16789 // now append the newline and continuation sequence
16794 strncpy(dest+len, cseq, cseq_len);
16802 dest[len] = src[i];
16806 if (src[i] == '\n')
16811 if (dest && appData.debugMode)
16813 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16814 count, width, line, len, *lp);
16815 show_bytes(debugFP, src, count);
16816 fprintf(debugFP, "\ndest: ");
16817 show_bytes(debugFP, dest, len);
16818 fprintf(debugFP, "\n");
16820 *lp = dest ? line : old_line;
16825 // [HGM] vari: routines for shelving variations
16826 Boolean modeRestore = FALSE;
16829 PushInner (int firstMove, int lastMove)
16831 int i, j, nrMoves = lastMove - firstMove;
16833 // push current tail of game on stack
16834 savedResult[storedGames] = gameInfo.result;
16835 savedDetails[storedGames] = gameInfo.resultDetails;
16836 gameInfo.resultDetails = NULL;
16837 savedFirst[storedGames] = firstMove;
16838 savedLast [storedGames] = lastMove;
16839 savedFramePtr[storedGames] = framePtr;
16840 framePtr -= nrMoves; // reserve space for the boards
16841 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16842 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16843 for(j=0; j<MOVE_LEN; j++)
16844 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16845 for(j=0; j<2*MOVE_LEN; j++)
16846 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16847 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16848 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16849 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16850 pvInfoList[firstMove+i-1].depth = 0;
16851 commentList[framePtr+i] = commentList[firstMove+i];
16852 commentList[firstMove+i] = NULL;
16856 forwardMostMove = firstMove; // truncate game so we can start variation
16860 PushTail (int firstMove, int lastMove)
16862 if(appData.icsActive) { // only in local mode
16863 forwardMostMove = currentMove; // mimic old ICS behavior
16866 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16868 PushInner(firstMove, lastMove);
16869 if(storedGames == 1) GreyRevert(FALSE);
16870 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16874 PopInner (Boolean annotate)
16877 char buf[8000], moveBuf[20];
16879 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16880 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16881 nrMoves = savedLast[storedGames] - currentMove;
16884 if(!WhiteOnMove(currentMove))
16885 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16886 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16887 for(i=currentMove; i<forwardMostMove; i++) {
16889 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16890 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16891 strcat(buf, moveBuf);
16892 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16893 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16897 for(i=1; i<=nrMoves; i++) { // copy last variation back
16898 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16899 for(j=0; j<MOVE_LEN; j++)
16900 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16901 for(j=0; j<2*MOVE_LEN; j++)
16902 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16903 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16904 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16905 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16906 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16907 commentList[currentMove+i] = commentList[framePtr+i];
16908 commentList[framePtr+i] = NULL;
16910 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16911 framePtr = savedFramePtr[storedGames];
16912 gameInfo.result = savedResult[storedGames];
16913 if(gameInfo.resultDetails != NULL) {
16914 free(gameInfo.resultDetails);
16916 gameInfo.resultDetails = savedDetails[storedGames];
16917 forwardMostMove = currentMove + nrMoves;
16921 PopTail (Boolean annotate)
16923 if(appData.icsActive) return FALSE; // only in local mode
16924 if(!storedGames) return FALSE; // sanity
16925 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16927 PopInner(annotate);
16928 if(currentMove < forwardMostMove) ForwardEvent(); else
16929 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16931 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16937 { // remove all shelved variations
16939 for(i=0; i<storedGames; i++) {
16940 if(savedDetails[i])
16941 free(savedDetails[i]);
16942 savedDetails[i] = NULL;
16944 for(i=framePtr; i<MAX_MOVES; i++) {
16945 if(commentList[i]) free(commentList[i]);
16946 commentList[i] = NULL;
16948 framePtr = MAX_MOVES-1;
16953 LoadVariation (int index, char *text)
16954 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16955 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16956 int level = 0, move;
16958 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
16959 // first find outermost bracketing variation
16960 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16961 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16962 if(*p == '{') wait = '}'; else
16963 if(*p == '[') wait = ']'; else
16964 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16965 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16967 if(*p == wait) wait = NULLCHAR; // closing ]} found
16970 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16971 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16972 end[1] = NULLCHAR; // clip off comment beyond variation
16973 ToNrEvent(currentMove-1);
16974 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16975 // kludge: use ParsePV() to append variation to game
16976 move = currentMove;
16977 ParsePV(start, TRUE, TRUE);
16978 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16979 ClearPremoveHighlights();
16981 ToNrEvent(currentMove+1);