2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void ics_printf P((char *format, ...));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
227 extern void ConsoleCreate();
230 ChessProgramState *WhitePlayer();
231 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
232 int VerifyDisplayMode P(());
234 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
235 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
236 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
237 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
238 void ics_update_width P((int new_width));
239 extern char installDir[MSG_SIZ];
240 VariantClass startVariant; /* [HGM] nicks: initial variant */
243 extern int tinyLayout, smallLayout;
244 ChessProgramStats programStats;
245 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
247 static int exiting = 0; /* [HGM] moved to top */
248 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
249 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
250 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
251 int partnerHighlight[2];
252 Boolean partnerBoardValid = 0;
253 char partnerStatus[MSG_SIZ];
255 Boolean originalFlip;
256 Boolean twoBoards = 0;
257 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
258 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
259 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
260 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
261 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
262 int opponentKibitzes;
263 int lastSavedGame; /* [HGM] save: ID of game */
264 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
265 extern int chatCount;
267 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
268 char lastMsg[MSG_SIZ];
269 ChessSquare pieceSweep = EmptySquare;
270 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
271 int promoDefaultAltered;
273 /* States for ics_getting_history */
275 #define H_REQUESTED 1
276 #define H_GOT_REQ_HEADER 2
277 #define H_GOT_UNREQ_HEADER 3
278 #define H_GETTING_MOVES 4
279 #define H_GOT_UNWANTED_HEADER 5
281 /* whosays values for GameEnds */
290 /* Maximum number of games in a cmail message */
291 #define CMAIL_MAX_GAMES 20
293 /* Different types of move when calling RegisterMove */
295 #define CMAIL_RESIGN 1
297 #define CMAIL_ACCEPT 3
299 /* Different types of result to remember for each game */
300 #define CMAIL_NOT_RESULT 0
301 #define CMAIL_OLD_RESULT 1
302 #define CMAIL_NEW_RESULT 2
304 /* Telnet protocol constants */
315 safeStrCpy (char *dst, const char *src, size_t count)
318 assert( dst != NULL );
319 assert( src != NULL );
322 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
323 if( i == count && dst[count-1] != NULLCHAR)
325 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
326 if(appData.debugMode)
327 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
333 /* Some compiler can't cast u64 to double
334 * This function do the job for us:
336 * We use the highest bit for cast, this only
337 * works if the highest bit is not
338 * in use (This should not happen)
340 * We used this for all compiler
343 u64ToDouble (u64 value)
346 u64 tmp = value & u64Const(0x7fffffffffffffff);
347 r = (double)(s64)tmp;
348 if (value & u64Const(0x8000000000000000))
349 r += 9.2233720368547758080e18; /* 2^63 */
353 /* Fake up flags for now, as we aren't keeping track of castling
354 availability yet. [HGM] Change of logic: the flag now only
355 indicates the type of castlings allowed by the rule of the game.
356 The actual rights themselves are maintained in the array
357 castlingRights, as part of the game history, and are not probed
363 int flags = F_ALL_CASTLE_OK;
364 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
365 switch (gameInfo.variant) {
367 flags &= ~F_ALL_CASTLE_OK;
368 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
369 flags |= F_IGNORE_CHECK;
371 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
374 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
376 case VariantKriegspiel:
377 flags |= F_KRIEGSPIEL_CAPTURE;
379 case VariantCapaRandom:
380 case VariantFischeRandom:
381 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
382 case VariantNoCastle:
383 case VariantShatranj:
387 flags &= ~F_ALL_CASTLE_OK;
395 FILE *gameFileFP, *debugFP;
396 char *currentDebugFile; // [HGM] debug split: to remember name
399 [AS] Note: sometimes, the sscanf() function is used to parse the input
400 into a fixed-size buffer. Because of this, we must be prepared to
401 receive strings as long as the size of the input buffer, which is currently
402 set to 4K for Windows and 8K for the rest.
403 So, we must either allocate sufficiently large buffers here, or
404 reduce the size of the input buffer in the input reading part.
407 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
408 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
409 char thinkOutput1[MSG_SIZ*10];
411 ChessProgramState first, second, pairing;
413 /* premove variables */
416 int premoveFromX = 0;
417 int premoveFromY = 0;
418 int premovePromoChar = 0;
420 Boolean alarmSounded;
421 /* end premove variables */
423 char *ics_prefix = "$";
424 int ics_type = ICS_GENERIC;
426 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
427 int pauseExamForwardMostMove = 0;
428 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
429 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
430 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
431 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
432 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
433 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
434 int whiteFlag = FALSE, blackFlag = FALSE;
435 int userOfferedDraw = FALSE;
436 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
437 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
438 int cmailMoveType[CMAIL_MAX_GAMES];
439 long ics_clock_paused = 0;
440 ProcRef icsPR = NoProc, cmailPR = NoProc;
441 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
442 GameMode gameMode = BeginningOfGame;
443 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
444 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
445 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
446 int hiddenThinkOutputState = 0; /* [AS] */
447 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
448 int adjudicateLossPlies = 6;
449 char white_holding[64], black_holding[64];
450 TimeMark lastNodeCountTime;
451 long lastNodeCount=0;
452 int shiftKey; // [HGM] set by mouse handler
454 int have_sent_ICS_logon = 0;
456 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
457 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
458 Boolean adjustedClock;
459 long timeControl_2; /* [AS] Allow separate time controls */
460 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
461 long timeRemaining[2][MAX_MOVES];
462 int matchGame = 0, nextGame = 0, roundNr = 0;
463 Boolean waitingForGame = FALSE;
464 TimeMark programStartTime, pauseStart;
465 char ics_handle[MSG_SIZ];
466 int have_set_title = 0;
468 /* animateTraining preserves the state of appData.animate
469 * when Training mode is activated. This allows the
470 * response to be animated when appData.animate == TRUE and
471 * appData.animateDragging == TRUE.
473 Boolean animateTraining;
479 Board boards[MAX_MOVES];
480 /* [HGM] Following 7 needed for accurate legality tests: */
481 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
482 signed char initialRights[BOARD_FILES];
483 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
484 int initialRulePlies, FENrulePlies;
485 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
487 Boolean shuffleOpenings;
488 int mute; // mute all sounds
490 // [HGM] vari: next 12 to save and restore variations
491 #define MAX_VARIATIONS 10
492 int framePtr = MAX_MOVES-1; // points to free stack entry
494 int savedFirst[MAX_VARIATIONS];
495 int savedLast[MAX_VARIATIONS];
496 int savedFramePtr[MAX_VARIATIONS];
497 char *savedDetails[MAX_VARIATIONS];
498 ChessMove savedResult[MAX_VARIATIONS];
500 void PushTail P((int firstMove, int lastMove));
501 Boolean PopTail P((Boolean annotate));
502 void PushInner P((int firstMove, int lastMove));
503 void PopInner P((Boolean annotate));
504 void CleanupTail P((void));
506 ChessSquare FIDEArray[2][BOARD_FILES] = {
507 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
508 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
509 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
510 BlackKing, BlackBishop, BlackKnight, BlackRook }
513 ChessSquare twoKingsArray[2][BOARD_FILES] = {
514 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
515 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
516 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
517 BlackKing, BlackKing, BlackKnight, BlackRook }
520 ChessSquare KnightmateArray[2][BOARD_FILES] = {
521 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
522 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
523 { BlackRook, BlackMan, BlackBishop, BlackQueen,
524 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
527 ChessSquare SpartanArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
529 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
530 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
531 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
534 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
538 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
541 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
542 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
543 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
544 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
545 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
548 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
549 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
550 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
551 { BlackRook, BlackKnight, BlackMan, BlackFerz,
552 BlackKing, BlackMan, BlackKnight, BlackRook }
556 #if (BOARD_FILES>=10)
557 ChessSquare ShogiArray[2][BOARD_FILES] = {
558 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
559 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
560 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
561 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
564 ChessSquare XiangqiArray[2][BOARD_FILES] = {
565 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
566 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
567 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
568 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
571 ChessSquare CapablancaArray[2][BOARD_FILES] = {
572 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
573 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
574 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
575 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
578 ChessSquare GreatArray[2][BOARD_FILES] = {
579 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
580 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
581 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
582 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
585 ChessSquare JanusArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
587 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
588 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
589 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
592 ChessSquare GrandArray[2][BOARD_FILES] = {
593 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
594 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
595 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
596 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
600 ChessSquare GothicArray[2][BOARD_FILES] = {
601 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
602 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
603 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
604 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
607 #define GothicArray CapablancaArray
611 ChessSquare FalconArray[2][BOARD_FILES] = {
612 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
613 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
614 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
615 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
618 #define FalconArray CapablancaArray
621 #else // !(BOARD_FILES>=10)
622 #define XiangqiPosition FIDEArray
623 #define CapablancaArray FIDEArray
624 #define GothicArray FIDEArray
625 #define GreatArray FIDEArray
626 #endif // !(BOARD_FILES>=10)
628 #if (BOARD_FILES>=12)
629 ChessSquare CourierArray[2][BOARD_FILES] = {
630 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
631 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
632 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
633 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
635 #else // !(BOARD_FILES>=12)
636 #define CourierArray CapablancaArray
637 #endif // !(BOARD_FILES>=12)
640 Board initialPosition;
643 /* Convert str to a rating. Checks for special cases of "----",
645 "++++", etc. Also strips ()'s */
647 string_to_rating (char *str)
649 while(*str && !isdigit(*str)) ++str;
651 return 0; /* One of the special "no rating" cases */
659 /* Init programStats */
660 programStats.movelist[0] = 0;
661 programStats.depth = 0;
662 programStats.nr_moves = 0;
663 programStats.moves_left = 0;
664 programStats.nodes = 0;
665 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
666 programStats.score = 0;
667 programStats.got_only_move = 0;
668 programStats.got_fail = 0;
669 programStats.line_is_book = 0;
674 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
675 if (appData.firstPlaysBlack) {
676 first.twoMachinesColor = "black\n";
677 second.twoMachinesColor = "white\n";
679 first.twoMachinesColor = "white\n";
680 second.twoMachinesColor = "black\n";
683 first.other = &second;
684 second.other = &first;
687 if(appData.timeOddsMode) {
688 norm = appData.timeOdds[0];
689 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
691 first.timeOdds = appData.timeOdds[0]/norm;
692 second.timeOdds = appData.timeOdds[1]/norm;
695 if(programVersion) free(programVersion);
696 if (appData.noChessProgram) {
697 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
698 sprintf(programVersion, "%s", PACKAGE_STRING);
700 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
701 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
702 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
707 UnloadEngine (ChessProgramState *cps)
709 /* Kill off first chess program */
710 if (cps->isr != NULL)
711 RemoveInputSource(cps->isr);
714 if (cps->pr != NoProc) {
716 DoSleep( appData.delayBeforeQuit );
717 SendToProgram("quit\n", cps);
718 DoSleep( appData.delayAfterQuit );
719 DestroyChildProcess(cps->pr, cps->useSigterm);
722 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
726 ClearOptions (ChessProgramState *cps)
729 cps->nrOptions = cps->comboCnt = 0;
730 for(i=0; i<MAX_OPTIONS; i++) {
731 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
732 cps->option[i].textValue = 0;
736 char *engineNames[] = {
742 InitEngine (ChessProgramState *cps, int n)
743 { // [HGM] all engine initialiation put in a function that does one engine
747 cps->which = engineNames[n];
748 cps->maybeThinking = FALSE;
752 cps->sendDrawOffers = 1;
754 cps->program = appData.chessProgram[n];
755 cps->host = appData.host[n];
756 cps->dir = appData.directory[n];
757 cps->initString = appData.engInitString[n];
758 cps->computerString = appData.computerString[n];
759 cps->useSigint = TRUE;
760 cps->useSigterm = TRUE;
761 cps->reuse = appData.reuse[n];
762 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
763 cps->useSetboard = FALSE;
765 cps->usePing = FALSE;
768 cps->usePlayother = FALSE;
769 cps->useColors = TRUE;
770 cps->useUsermove = FALSE;
771 cps->sendICS = FALSE;
772 cps->sendName = appData.icsActive;
773 cps->sdKludge = FALSE;
774 cps->stKludge = FALSE;
775 TidyProgramName(cps->program, cps->host, cps->tidy);
777 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
778 cps->analysisSupport = 2; /* detect */
779 cps->analyzing = FALSE;
780 cps->initDone = FALSE;
782 /* New features added by Tord: */
783 cps->useFEN960 = FALSE;
784 cps->useOOCastle = TRUE;
785 /* End of new features added by Tord. */
786 cps->fenOverride = appData.fenOverride[n];
788 /* [HGM] time odds: set factor for each machine */
789 cps->timeOdds = appData.timeOdds[n];
791 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
792 cps->accumulateTC = appData.accumulateTC[n];
793 cps->maxNrOfSessions = 1;
798 cps->supportsNPS = UNKNOWN;
799 cps->memSize = FALSE;
800 cps->maxCores = FALSE;
801 cps->egtFormats[0] = NULLCHAR;
804 cps->optionSettings = appData.engOptions[n];
806 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
807 cps->isUCI = appData.isUCI[n]; /* [AS] */
808 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
810 if (appData.protocolVersion[n] > PROTOVER
811 || appData.protocolVersion[n] < 1)
816 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
817 appData.protocolVersion[n]);
818 if( (len >= MSG_SIZ) && appData.debugMode )
819 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
821 DisplayFatalError(buf, 0, 2);
825 cps->protocolVersion = appData.protocolVersion[n];
828 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
829 ParseFeatures(appData.featureDefaults, cps);
832 ChessProgramState *savCps;
838 if(WaitForEngine(savCps, LoadEngine)) return;
839 CommonEngineInit(); // recalculate time odds
840 if(gameInfo.variant != StringToVariant(appData.variant)) {
841 // we changed variant when loading the engine; this forces us to reset
842 Reset(TRUE, savCps != &first);
843 EditGameEvent(); // for consistency with other path, as Reset changes mode
845 InitChessProgram(savCps, FALSE);
846 SendToProgram("force\n", savCps);
847 DisplayMessage("", "");
848 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
849 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
855 ReplaceEngine (ChessProgramState *cps, int n)
859 appData.noChessProgram = FALSE;
860 appData.clockMode = TRUE;
863 if(n) return; // only startup first engine immediately; second can wait
864 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
868 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
869 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
871 static char resetOptions[] =
872 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
873 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
874 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
877 FloatToFront(char **list, char *engineLine)
879 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
881 if(appData.recentEngines <= 0) return;
882 TidyProgramName(engineLine, "localhost", tidy+1);
883 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
884 strncpy(buf+1, *list, MSG_SIZ-50);
885 if(p = strstr(buf, tidy)) { // tidy name appears in list
886 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
887 while(*p++ = *++q); // squeeze out
889 strcat(tidy, buf+1); // put list behind tidy name
890 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
891 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
892 ASSIGN(*list, tidy+1);
896 Load (ChessProgramState *cps, int i)
898 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
899 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
900 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
901 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
902 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
903 appData.firstProtocolVersion = PROTOVER;
904 ParseArgsFromString(buf);
906 ReplaceEngine(cps, i);
907 FloatToFront(&appData.recentEngineList, engineLine);
911 while(q = strchr(p, SLASH)) p = q+1;
912 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
913 if(engineDir[0] != NULLCHAR)
914 appData.directory[i] = engineDir;
915 else if(p != engineName) { // derive directory from engine path, when not given
917 appData.directory[i] = strdup(engineName);
919 } else appData.directory[i] = ".";
921 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
922 snprintf(command, MSG_SIZ, "%s %s", p, params);
925 appData.chessProgram[i] = strdup(p);
926 appData.isUCI[i] = isUCI;
927 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
928 appData.hasOwnBookUCI[i] = hasBook;
929 if(!nickName[0]) useNick = FALSE;
930 if(useNick) ASSIGN(appData.pgnName[i], nickName);
934 q = firstChessProgramNames;
935 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
936 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
937 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
938 quote, p, quote, appData.directory[i],
939 useNick ? " -fn \"" : "",
940 useNick ? nickName : "",
942 v1 ? " -firstProtocolVersion 1" : "",
943 hasBook ? "" : " -fNoOwnBookUCI",
944 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
945 storeVariant ? " -variant " : "",
946 storeVariant ? VariantName(gameInfo.variant) : "");
947 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
948 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
950 FloatToFront(&appData.recentEngineList, buf);
952 ReplaceEngine(cps, i);
958 int matched, min, sec;
960 * Parse timeControl resource
962 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
963 appData.movesPerSession)) {
965 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
966 DisplayFatalError(buf, 0, 2);
970 * Parse searchTime resource
972 if (*appData.searchTime != NULLCHAR) {
973 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
975 searchTime = min * 60;
976 } else if (matched == 2) {
977 searchTime = min * 60 + sec;
980 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
981 DisplayFatalError(buf, 0, 2);
990 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
991 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
993 GetTimeMark(&programStartTime);
994 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
995 appData.seedBase = random() + (random()<<15);
996 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
999 programStats.ok_to_send = 1;
1000 programStats.seen_stat = 0;
1003 * Initialize game list
1009 * Internet chess server status
1011 if (appData.icsActive) {
1012 appData.matchMode = FALSE;
1013 appData.matchGames = 0;
1015 appData.noChessProgram = !appData.zippyPlay;
1017 appData.zippyPlay = FALSE;
1018 appData.zippyTalk = FALSE;
1019 appData.noChessProgram = TRUE;
1021 if (*appData.icsHelper != NULLCHAR) {
1022 appData.useTelnet = TRUE;
1023 appData.telnetProgram = appData.icsHelper;
1026 appData.zippyTalk = appData.zippyPlay = FALSE;
1029 /* [AS] Initialize pv info list [HGM] and game state */
1033 for( i=0; i<=framePtr; i++ ) {
1034 pvInfoList[i].depth = -1;
1035 boards[i][EP_STATUS] = EP_NONE;
1036 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1042 /* [AS] Adjudication threshold */
1043 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1045 InitEngine(&first, 0);
1046 InitEngine(&second, 1);
1049 pairing.which = "pairing"; // pairing engine
1050 pairing.pr = NoProc;
1052 pairing.program = appData.pairingEngine;
1053 pairing.host = "localhost";
1056 if (appData.icsActive) {
1057 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1058 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1059 appData.clockMode = FALSE;
1060 first.sendTime = second.sendTime = 0;
1064 /* Override some settings from environment variables, for backward
1065 compatibility. Unfortunately it's not feasible to have the env
1066 vars just set defaults, at least in xboard. Ugh.
1068 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1073 if (!appData.icsActive) {
1077 /* Check for variants that are supported only in ICS mode,
1078 or not at all. Some that are accepted here nevertheless
1079 have bugs; see comments below.
1081 VariantClass variant = StringToVariant(appData.variant);
1083 case VariantBughouse: /* need four players and two boards */
1084 case VariantKriegspiel: /* need to hide pieces and move details */
1085 /* case VariantFischeRandom: (Fabien: moved below) */
1086 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1087 if( (len >= MSG_SIZ) && appData.debugMode )
1088 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1090 DisplayFatalError(buf, 0, 2);
1093 case VariantUnknown:
1094 case VariantLoadable:
1104 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1105 if( (len >= MSG_SIZ) && appData.debugMode )
1106 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1108 DisplayFatalError(buf, 0, 2);
1111 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1112 case VariantFairy: /* [HGM] TestLegality definitely off! */
1113 case VariantGothic: /* [HGM] should work */
1114 case VariantCapablanca: /* [HGM] should work */
1115 case VariantCourier: /* [HGM] initial forced moves not implemented */
1116 case VariantShogi: /* [HGM] could still mate with pawn drop */
1117 case VariantKnightmate: /* [HGM] should work */
1118 case VariantCylinder: /* [HGM] untested */
1119 case VariantFalcon: /* [HGM] untested */
1120 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1121 offboard interposition not understood */
1122 case VariantNormal: /* definitely works! */
1123 case VariantWildCastle: /* pieces not automatically shuffled */
1124 case VariantNoCastle: /* pieces not automatically shuffled */
1125 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1126 case VariantLosers: /* should work except for win condition,
1127 and doesn't know captures are mandatory */
1128 case VariantSuicide: /* should work except for win condition,
1129 and doesn't know captures are mandatory */
1130 case VariantGiveaway: /* should work except for win condition,
1131 and doesn't know captures are mandatory */
1132 case VariantTwoKings: /* should work */
1133 case VariantAtomic: /* should work except for win condition */
1134 case Variant3Check: /* should work except for win condition */
1135 case VariantShatranj: /* should work except for all win conditions */
1136 case VariantMakruk: /* should work except for draw countdown */
1137 case VariantBerolina: /* might work if TestLegality is off */
1138 case VariantCapaRandom: /* should work */
1139 case VariantJanus: /* should work */
1140 case VariantSuper: /* experimental */
1141 case VariantGreat: /* experimental, requires legality testing to be off */
1142 case VariantSChess: /* S-Chess, should work */
1143 case VariantGrand: /* should work */
1144 case VariantSpartan: /* should work */
1152 NextIntegerFromString (char ** str, long * value)
1157 while( *s == ' ' || *s == '\t' ) {
1163 if( *s >= '0' && *s <= '9' ) {
1164 while( *s >= '0' && *s <= '9' ) {
1165 *value = *value * 10 + (*s - '0');
1178 NextTimeControlFromString (char ** str, long * value)
1181 int result = NextIntegerFromString( str, &temp );
1184 *value = temp * 60; /* Minutes */
1185 if( **str == ':' ) {
1187 result = NextIntegerFromString( str, &temp );
1188 *value += temp; /* Seconds */
1196 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1197 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1198 int result = -1, type = 0; long temp, temp2;
1200 if(**str != ':') return -1; // old params remain in force!
1202 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1203 if( NextIntegerFromString( str, &temp ) ) return -1;
1204 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1207 /* time only: incremental or sudden-death time control */
1208 if(**str == '+') { /* increment follows; read it */
1210 if(**str == '!') type = *(*str)++; // Bronstein TC
1211 if(result = NextIntegerFromString( str, &temp2)) return -1;
1212 *inc = temp2 * 1000;
1213 if(**str == '.') { // read fraction of increment
1214 char *start = ++(*str);
1215 if(result = NextIntegerFromString( str, &temp2)) return -1;
1217 while(start++ < *str) temp2 /= 10;
1221 *moves = 0; *tc = temp * 1000; *incType = type;
1225 (*str)++; /* classical time control */
1226 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1238 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1239 { /* [HGM] get time to add from the multi-session time-control string */
1240 int incType, moves=1; /* kludge to force reading of first session */
1241 long time, increment;
1244 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1246 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1247 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1248 if(movenr == -1) return time; /* last move before new session */
1249 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1250 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1251 if(!moves) return increment; /* current session is incremental */
1252 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1253 } while(movenr >= -1); /* try again for next session */
1255 return 0; // no new time quota on this move
1259 ParseTimeControl (char *tc, float ti, int mps)
1263 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1266 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1267 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1268 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1272 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1274 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1277 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1279 snprintf(buf, MSG_SIZ, ":%s", mytc);
1281 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1283 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1288 /* Parse second time control */
1291 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1299 timeControl_2 = tc2 * 1000;
1309 timeControl = tc1 * 1000;
1312 timeIncrement = ti * 1000; /* convert to ms */
1313 movesPerSession = 0;
1316 movesPerSession = mps;
1324 if (appData.debugMode) {
1325 fprintf(debugFP, "%s\n", programVersion);
1327 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
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\n", nextGame, gameNr);
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;
7565 // Repetition draws and 50-move rule can be applied independently of legality testing
7567 /* Check for rep-draws */
7569 for(k = forwardMostMove-2;
7570 k>=backwardMostMove && k>=forwardMostMove-100 &&
7571 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7572 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7575 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7576 /* compare castling rights */
7577 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7578 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7579 rights++; /* King lost rights, while rook still had them */
7580 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7581 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7582 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7583 rights++; /* but at least one rook lost them */
7585 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7586 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7588 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7589 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7590 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7593 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7594 && appData.drawRepeats > 1) {
7595 /* adjudicate after user-specified nr of repeats */
7596 int result = GameIsDrawn;
7597 char *details = "XBoard adjudication: repetition draw";
7598 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7599 // [HGM] xiangqi: check for forbidden perpetuals
7600 int m, ourPerpetual = 1, hisPerpetual = 1;
7601 for(m=forwardMostMove; m>k; m-=2) {
7602 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7603 ourPerpetual = 0; // the current mover did not always check
7604 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7605 hisPerpetual = 0; // the opponent did not always check
7607 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7608 ourPerpetual, hisPerpetual);
7609 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7610 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7611 details = "Xboard adjudication: perpetual checking";
7613 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7614 break; // (or we would have caught him before). Abort repetition-checking loop.
7616 // Now check for perpetual chases
7617 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7618 hisPerpetual = PerpetualChase(k, forwardMostMove);
7619 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7620 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7621 static char resdet[MSG_SIZ];
7622 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7624 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7626 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7627 break; // Abort repetition-checking loop.
7629 // if neither of us is checking or chasing all the time, or both are, it is draw
7631 if(engineOpponent) {
7632 SendToProgram("force\n", engineOpponent); // suppress reply
7633 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7635 GameEnds( result, details, GE_XBOARD );
7638 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7639 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7643 /* Now we test for 50-move draws. Determine ply count */
7644 count = forwardMostMove;
7645 /* look for last irreversble move */
7646 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7648 /* if we hit starting position, add initial plies */
7649 if( count == backwardMostMove )
7650 count -= initialRulePlies;
7651 count = forwardMostMove - count;
7652 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7653 // adjust reversible move counter for checks in Xiangqi
7654 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7655 if(i < backwardMostMove) i = backwardMostMove;
7656 while(i <= forwardMostMove) {
7657 lastCheck = inCheck; // check evasion does not count
7658 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7659 if(inCheck || lastCheck) count--; // check does not count
7664 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7665 /* this is used to judge if draw claims are legal */
7666 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7667 if(engineOpponent) {
7668 SendToProgram("force\n", engineOpponent); // suppress reply
7669 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7671 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7675 /* if draw offer is pending, treat it as a draw claim
7676 * when draw condition present, to allow engines a way to
7677 * claim draws before making their move to avoid a race
7678 * condition occurring after their move
7680 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7682 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7683 p = "Draw claim: 50-move rule";
7684 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7685 p = "Draw claim: 3-fold repetition";
7686 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7687 p = "Draw claim: insufficient mating material";
7688 if( p != NULL && canAdjudicate) {
7689 if(engineOpponent) {
7690 SendToProgram("force\n", engineOpponent); // suppress reply
7691 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7693 GameEnds( GameIsDrawn, p, GE_XBOARD );
7698 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7699 if(engineOpponent) {
7700 SendToProgram("force\n", engineOpponent); // suppress reply
7701 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7703 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7710 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7711 { // [HGM] book: this routine intercepts moves to simulate book replies
7712 char *bookHit = NULL;
7714 //first determine if the incoming move brings opponent into his book
7715 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7716 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7717 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7718 if(bookHit != NULL && !cps->bookSuspend) {
7719 // make sure opponent is not going to reply after receiving move to book position
7720 SendToProgram("force\n", cps);
7721 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7723 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7724 // now arrange restart after book miss
7726 // after a book hit we never send 'go', and the code after the call to this routine
7727 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7728 char buf[MSG_SIZ], *move = bookHit;
7730 int fromX, fromY, toX, toY;
7734 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7735 &fromX, &fromY, &toX, &toY, &promoChar)) {
7736 (void) CoordsToAlgebraic(boards[forwardMostMove],
7737 PosFlags(forwardMostMove),
7738 fromY, fromX, toY, toX, promoChar, move);
7740 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7744 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7745 SendToProgram(buf, cps);
7746 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7747 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7748 SendToProgram("go\n", cps);
7749 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7750 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7751 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7752 SendToProgram("go\n", cps);
7753 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7755 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7759 ChessProgramState *savedState;
7761 DeferredBookMove (void)
7763 if(savedState->lastPing != savedState->lastPong)
7764 ScheduleDelayedEvent(DeferredBookMove, 10);
7766 HandleMachineMove(savedMessage, savedState);
7769 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7772 HandleMachineMove (char *message, ChessProgramState *cps)
7774 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7775 char realname[MSG_SIZ];
7776 int fromX, fromY, toX, toY;
7783 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7784 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7785 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7786 DisplayError(_("Invalid pairing from pairing engine"), 0);
7789 pairingReceived = 1;
7791 return; // Skim the pairing messages here.
7796 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7798 * Kludge to ignore BEL characters
7800 while (*message == '\007') message++;
7803 * [HGM] engine debug message: ignore lines starting with '#' character
7805 if(cps->debug && *message == '#') return;
7808 * Look for book output
7810 if (cps == &first && bookRequested) {
7811 if (message[0] == '\t' || message[0] == ' ') {
7812 /* Part of the book output is here; append it */
7813 strcat(bookOutput, message);
7814 strcat(bookOutput, " \n");
7816 } else if (bookOutput[0] != NULLCHAR) {
7817 /* All of book output has arrived; display it */
7818 char *p = bookOutput;
7819 while (*p != NULLCHAR) {
7820 if (*p == '\t') *p = ' ';
7823 DisplayInformation(bookOutput);
7824 bookRequested = FALSE;
7825 /* Fall through to parse the current output */
7830 * Look for machine move.
7832 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7833 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7835 /* This method is only useful on engines that support ping */
7836 if (cps->lastPing != cps->lastPong) {
7837 if (gameMode == BeginningOfGame) {
7838 /* Extra move from before last new; ignore */
7839 if (appData.debugMode) {
7840 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7843 if (appData.debugMode) {
7844 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7845 cps->which, gameMode);
7848 SendToProgram("undo\n", cps);
7854 case BeginningOfGame:
7855 /* Extra move from before last reset; ignore */
7856 if (appData.debugMode) {
7857 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7864 /* Extra move after we tried to stop. The mode test is
7865 not a reliable way of detecting this problem, but it's
7866 the best we can do on engines that don't support ping.
7868 if (appData.debugMode) {
7869 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7870 cps->which, gameMode);
7872 SendToProgram("undo\n", cps);
7875 case MachinePlaysWhite:
7876 case IcsPlayingWhite:
7877 machineWhite = TRUE;
7880 case MachinePlaysBlack:
7881 case IcsPlayingBlack:
7882 machineWhite = FALSE;
7885 case TwoMachinesPlay:
7886 machineWhite = (cps->twoMachinesColor[0] == 'w');
7889 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7890 if (appData.debugMode) {
7892 "Ignoring move out of turn by %s, gameMode %d"
7893 ", forwardMost %d\n",
7894 cps->which, gameMode, forwardMostMove);
7899 if(cps->alphaRank) AlphaRank(machineMove, 4);
7900 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7901 &fromX, &fromY, &toX, &toY, &promoChar)) {
7902 /* Machine move could not be parsed; ignore it. */
7903 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7904 machineMove, _(cps->which));
7905 DisplayError(buf1, 0);
7906 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7907 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7908 if (gameMode == TwoMachinesPlay) {
7909 GameEnds(machineWhite ? BlackWins : WhiteWins,
7915 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7916 /* So we have to redo legality test with true e.p. status here, */
7917 /* to make sure an illegal e.p. capture does not slip through, */
7918 /* to cause a forfeit on a justified illegal-move complaint */
7919 /* of the opponent. */
7920 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7922 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7923 fromY, fromX, toY, toX, promoChar);
7924 if(moveType == IllegalMove) {
7925 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7926 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7927 GameEnds(machineWhite ? BlackWins : WhiteWins,
7930 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7931 /* [HGM] Kludge to handle engines that send FRC-style castling
7932 when they shouldn't (like TSCP-Gothic) */
7934 case WhiteASideCastleFR:
7935 case BlackASideCastleFR:
7937 currentMoveString[2]++;
7939 case WhiteHSideCastleFR:
7940 case BlackHSideCastleFR:
7942 currentMoveString[2]--;
7944 default: ; // nothing to do, but suppresses warning of pedantic compilers
7947 hintRequested = FALSE;
7948 lastHint[0] = NULLCHAR;
7949 bookRequested = FALSE;
7950 /* Program may be pondering now */
7951 cps->maybeThinking = TRUE;
7952 if (cps->sendTime == 2) cps->sendTime = 1;
7953 if (cps->offeredDraw) cps->offeredDraw--;
7955 /* [AS] Save move info*/
7956 pvInfoList[ forwardMostMove ].score = programStats.score;
7957 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7958 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7960 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7962 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7963 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7966 while( count < adjudicateLossPlies ) {
7967 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7970 score = -score; /* Flip score for winning side */
7973 if( score > adjudicateLossThreshold ) {
7980 if( count >= adjudicateLossPlies ) {
7981 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7983 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7984 "Xboard adjudication",
7991 if(Adjudicate(cps)) {
7992 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7993 return; // [HGM] adjudicate: for all automatic game ends
7997 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7999 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8000 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8002 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8004 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8006 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8007 char buf[3*MSG_SIZ];
8009 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8010 programStats.score / 100.,
8012 programStats.time / 100.,
8013 (unsigned int)programStats.nodes,
8014 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8015 programStats.movelist);
8017 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8022 /* [AS] Clear stats for next move */
8023 ClearProgramStats();
8024 thinkOutput[0] = NULLCHAR;
8025 hiddenThinkOutputState = 0;
8028 if (gameMode == TwoMachinesPlay) {
8029 /* [HGM] relaying draw offers moved to after reception of move */
8030 /* and interpreting offer as claim if it brings draw condition */
8031 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8032 SendToProgram("draw\n", cps->other);
8034 if (cps->other->sendTime) {
8035 SendTimeRemaining(cps->other,
8036 cps->other->twoMachinesColor[0] == 'w');
8038 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8039 if (firstMove && !bookHit) {
8041 if (cps->other->useColors) {
8042 SendToProgram(cps->other->twoMachinesColor, cps->other);
8044 SendToProgram("go\n", cps->other);
8046 cps->other->maybeThinking = TRUE;
8049 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8051 if (!pausing && appData.ringBellAfterMoves) {
8056 * Reenable menu items that were disabled while
8057 * machine was thinking
8059 if (gameMode != TwoMachinesPlay)
8060 SetUserThinkingEnables();
8062 // [HGM] book: after book hit opponent has received move and is now in force mode
8063 // force the book reply into it, and then fake that it outputted this move by jumping
8064 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8066 static char bookMove[MSG_SIZ]; // a bit generous?
8068 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8069 strcat(bookMove, bookHit);
8072 programStats.nodes = programStats.depth = programStats.time =
8073 programStats.score = programStats.got_only_move = 0;
8074 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8076 if(cps->lastPing != cps->lastPong) {
8077 savedMessage = message; // args for deferred call
8079 ScheduleDelayedEvent(DeferredBookMove, 10);
8088 /* Set special modes for chess engines. Later something general
8089 * could be added here; for now there is just one kludge feature,
8090 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8091 * when "xboard" is given as an interactive command.
8093 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8094 cps->useSigint = FALSE;
8095 cps->useSigterm = FALSE;
8097 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8098 ParseFeatures(message+8, cps);
8099 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8102 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8103 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8104 int dummy, s=6; char buf[MSG_SIZ];
8105 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8106 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8107 if(startedFromSetupPosition) return;
8108 ParseFEN(boards[0], &dummy, message+s);
8109 DrawPosition(TRUE, boards[0]);
8110 startedFromSetupPosition = TRUE;
8113 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8114 * want this, I was asked to put it in, and obliged.
8116 if (!strncmp(message, "setboard ", 9)) {
8117 Board initial_position;
8119 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8121 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8122 DisplayError(_("Bad FEN received from engine"), 0);
8126 CopyBoard(boards[0], initial_position);
8127 initialRulePlies = FENrulePlies;
8128 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8129 else gameMode = MachinePlaysBlack;
8130 DrawPosition(FALSE, boards[currentMove]);
8136 * Look for communication commands
8138 if (!strncmp(message, "telluser ", 9)) {
8139 if(message[9] == '\\' && message[10] == '\\')
8140 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8142 DisplayNote(message + 9);
8145 if (!strncmp(message, "tellusererror ", 14)) {
8147 if(message[14] == '\\' && message[15] == '\\')
8148 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8150 DisplayError(message + 14, 0);
8153 if (!strncmp(message, "tellopponent ", 13)) {
8154 if (appData.icsActive) {
8156 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8160 DisplayNote(message + 13);
8164 if (!strncmp(message, "tellothers ", 11)) {
8165 if (appData.icsActive) {
8167 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8173 if (!strncmp(message, "tellall ", 8)) {
8174 if (appData.icsActive) {
8176 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8180 DisplayNote(message + 8);
8184 if (strncmp(message, "warning", 7) == 0) {
8185 /* Undocumented feature, use tellusererror in new code */
8186 DisplayError(message, 0);
8189 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8190 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8191 strcat(realname, " query");
8192 AskQuestion(realname, buf2, buf1, cps->pr);
8195 /* Commands from the engine directly to ICS. We don't allow these to be
8196 * sent until we are logged on. Crafty kibitzes have been known to
8197 * interfere with the login process.
8200 if (!strncmp(message, "tellics ", 8)) {
8201 SendToICS(message + 8);
8205 if (!strncmp(message, "tellicsnoalias ", 15)) {
8206 SendToICS(ics_prefix);
8207 SendToICS(message + 15);
8211 /* The following are for backward compatibility only */
8212 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8213 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8214 SendToICS(ics_prefix);
8220 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8224 * If the move is illegal, cancel it and redraw the board.
8225 * Also deal with other error cases. Matching is rather loose
8226 * here to accommodate engines written before the spec.
8228 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8229 strncmp(message, "Error", 5) == 0) {
8230 if (StrStr(message, "name") ||
8231 StrStr(message, "rating") || StrStr(message, "?") ||
8232 StrStr(message, "result") || StrStr(message, "board") ||
8233 StrStr(message, "bk") || StrStr(message, "computer") ||
8234 StrStr(message, "variant") || StrStr(message, "hint") ||
8235 StrStr(message, "random") || StrStr(message, "depth") ||
8236 StrStr(message, "accepted")) {
8239 if (StrStr(message, "protover")) {
8240 /* Program is responding to input, so it's apparently done
8241 initializing, and this error message indicates it is
8242 protocol version 1. So we don't need to wait any longer
8243 for it to initialize and send feature commands. */
8244 FeatureDone(cps, 1);
8245 cps->protocolVersion = 1;
8248 cps->maybeThinking = FALSE;
8250 if (StrStr(message, "draw")) {
8251 /* Program doesn't have "draw" command */
8252 cps->sendDrawOffers = 0;
8255 if (cps->sendTime != 1 &&
8256 (StrStr(message, "time") || StrStr(message, "otim"))) {
8257 /* Program apparently doesn't have "time" or "otim" command */
8261 if (StrStr(message, "analyze")) {
8262 cps->analysisSupport = FALSE;
8263 cps->analyzing = FALSE;
8264 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8265 EditGameEvent(); // [HGM] try to preserve loaded game
8266 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8267 DisplayError(buf2, 0);
8270 if (StrStr(message, "(no matching move)st")) {
8271 /* Special kludge for GNU Chess 4 only */
8272 cps->stKludge = TRUE;
8273 SendTimeControl(cps, movesPerSession, timeControl,
8274 timeIncrement, appData.searchDepth,
8278 if (StrStr(message, "(no matching move)sd")) {
8279 /* Special kludge for GNU Chess 4 only */
8280 cps->sdKludge = TRUE;
8281 SendTimeControl(cps, movesPerSession, timeControl,
8282 timeIncrement, appData.searchDepth,
8286 if (!StrStr(message, "llegal")) {
8289 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8290 gameMode == IcsIdle) return;
8291 if (forwardMostMove <= backwardMostMove) return;
8292 if (pausing) PauseEvent();
8293 if(appData.forceIllegal) {
8294 // [HGM] illegal: machine refused move; force position after move into it
8295 SendToProgram("force\n", cps);
8296 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8297 // we have a real problem now, as SendBoard will use the a2a3 kludge
8298 // when black is to move, while there might be nothing on a2 or black
8299 // might already have the move. So send the board as if white has the move.
8300 // But first we must change the stm of the engine, as it refused the last move
8301 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8302 if(WhiteOnMove(forwardMostMove)) {
8303 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8304 SendBoard(cps, forwardMostMove); // kludgeless board
8306 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8307 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8308 SendBoard(cps, forwardMostMove+1); // kludgeless board
8310 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8311 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8312 gameMode == TwoMachinesPlay)
8313 SendToProgram("go\n", cps);
8316 if (gameMode == PlayFromGameFile) {
8317 /* Stop reading this game file */
8318 gameMode = EditGame;
8321 /* [HGM] illegal-move claim should forfeit game when Xboard */
8322 /* only passes fully legal moves */
8323 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8324 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8325 "False illegal-move claim", GE_XBOARD );
8326 return; // do not take back move we tested as valid
8328 currentMove = forwardMostMove-1;
8329 DisplayMove(currentMove-1); /* before DisplayMoveError */
8330 SwitchClocks(forwardMostMove-1); // [HGM] race
8331 DisplayBothClocks();
8332 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8333 parseList[currentMove], _(cps->which));
8334 DisplayMoveError(buf1);
8335 DrawPosition(FALSE, boards[currentMove]);
8337 SetUserThinkingEnables();
8340 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8341 /* Program has a broken "time" command that
8342 outputs a string not ending in newline.
8348 * If chess program startup fails, exit with an error message.
8349 * Attempts to recover here are futile.
8351 if ((StrStr(message, "unknown host") != NULL)
8352 || (StrStr(message, "No remote directory") != NULL)
8353 || (StrStr(message, "not found") != NULL)
8354 || (StrStr(message, "No such file") != NULL)
8355 || (StrStr(message, "can't alloc") != NULL)
8356 || (StrStr(message, "Permission denied") != NULL)) {
8358 cps->maybeThinking = FALSE;
8359 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8360 _(cps->which), cps->program, cps->host, message);
8361 RemoveInputSource(cps->isr);
8362 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8363 if(cps == &first) appData.noChessProgram = TRUE;
8364 DisplayError(buf1, 0);
8370 * Look for hint output
8372 if (sscanf(message, "Hint: %s", buf1) == 1) {
8373 if (cps == &first && hintRequested) {
8374 hintRequested = FALSE;
8375 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8376 &fromX, &fromY, &toX, &toY, &promoChar)) {
8377 (void) CoordsToAlgebraic(boards[forwardMostMove],
8378 PosFlags(forwardMostMove),
8379 fromY, fromX, toY, toX, promoChar, buf1);
8380 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8381 DisplayInformation(buf2);
8383 /* Hint move could not be parsed!? */
8384 snprintf(buf2, sizeof(buf2),
8385 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8386 buf1, _(cps->which));
8387 DisplayError(buf2, 0);
8390 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8396 * Ignore other messages if game is not in progress
8398 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8399 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8402 * look for win, lose, draw, or draw offer
8404 if (strncmp(message, "1-0", 3) == 0) {
8405 char *p, *q, *r = "";
8406 p = strchr(message, '{');
8414 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8416 } else if (strncmp(message, "0-1", 3) == 0) {
8417 char *p, *q, *r = "";
8418 p = strchr(message, '{');
8426 /* Kludge for Arasan 4.1 bug */
8427 if (strcmp(r, "Black resigns") == 0) {
8428 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8431 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8433 } else if (strncmp(message, "1/2", 3) == 0) {
8434 char *p, *q, *r = "";
8435 p = strchr(message, '{');
8444 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8447 } else if (strncmp(message, "White resign", 12) == 0) {
8448 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8450 } else if (strncmp(message, "Black resign", 12) == 0) {
8451 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8453 } else if (strncmp(message, "White matches", 13) == 0 ||
8454 strncmp(message, "Black matches", 13) == 0 ) {
8455 /* [HGM] ignore GNUShogi noises */
8457 } else if (strncmp(message, "White", 5) == 0 &&
8458 message[5] != '(' &&
8459 StrStr(message, "Black") == NULL) {
8460 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8462 } else if (strncmp(message, "Black", 5) == 0 &&
8463 message[5] != '(') {
8464 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8466 } else if (strcmp(message, "resign") == 0 ||
8467 strcmp(message, "computer resigns") == 0) {
8469 case MachinePlaysBlack:
8470 case IcsPlayingBlack:
8471 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8473 case MachinePlaysWhite:
8474 case IcsPlayingWhite:
8475 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8477 case TwoMachinesPlay:
8478 if (cps->twoMachinesColor[0] == 'w')
8479 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8481 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8488 } else if (strncmp(message, "opponent mates", 14) == 0) {
8490 case MachinePlaysBlack:
8491 case IcsPlayingBlack:
8492 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8494 case MachinePlaysWhite:
8495 case IcsPlayingWhite:
8496 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8498 case TwoMachinesPlay:
8499 if (cps->twoMachinesColor[0] == 'w')
8500 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8502 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8509 } else if (strncmp(message, "computer mates", 14) == 0) {
8511 case MachinePlaysBlack:
8512 case IcsPlayingBlack:
8513 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8515 case MachinePlaysWhite:
8516 case IcsPlayingWhite:
8517 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8519 case TwoMachinesPlay:
8520 if (cps->twoMachinesColor[0] == 'w')
8521 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8523 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8530 } else if (strncmp(message, "checkmate", 9) == 0) {
8531 if (WhiteOnMove(forwardMostMove)) {
8532 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8534 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8537 } else if (strstr(message, "Draw") != NULL ||
8538 strstr(message, "game is a draw") != NULL) {
8539 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8541 } else if (strstr(message, "offer") != NULL &&
8542 strstr(message, "draw") != NULL) {
8544 if (appData.zippyPlay && first.initDone) {
8545 /* Relay offer to ICS */
8546 SendToICS(ics_prefix);
8547 SendToICS("draw\n");
8550 cps->offeredDraw = 2; /* valid until this engine moves twice */
8551 if (gameMode == TwoMachinesPlay) {
8552 if (cps->other->offeredDraw) {
8553 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8554 /* [HGM] in two-machine mode we delay relaying draw offer */
8555 /* until after we also have move, to see if it is really claim */
8557 } else if (gameMode == MachinePlaysWhite ||
8558 gameMode == MachinePlaysBlack) {
8559 if (userOfferedDraw) {
8560 DisplayInformation(_("Machine accepts your draw offer"));
8561 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8563 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8570 * Look for thinking output
8572 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8573 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8575 int plylev, mvleft, mvtot, curscore, time;
8576 char mvname[MOVE_LEN];
8580 int prefixHint = FALSE;
8581 mvname[0] = NULLCHAR;
8584 case MachinePlaysBlack:
8585 case IcsPlayingBlack:
8586 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8588 case MachinePlaysWhite:
8589 case IcsPlayingWhite:
8590 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8595 case IcsObserving: /* [DM] icsEngineAnalyze */
8596 if (!appData.icsEngineAnalyze) ignore = TRUE;
8598 case TwoMachinesPlay:
8599 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8609 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8611 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8612 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8614 if (plyext != ' ' && plyext != '\t') {
8618 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8619 if( cps->scoreIsAbsolute &&
8620 ( gameMode == MachinePlaysBlack ||
8621 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8622 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8623 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8624 !WhiteOnMove(currentMove)
8627 curscore = -curscore;
8630 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8632 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8635 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8636 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8637 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8638 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8639 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8640 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8642 } else DisplayError(_("failed writing PV"), 0);
8645 tempStats.depth = plylev;
8646 tempStats.nodes = nodes;
8647 tempStats.time = time;
8648 tempStats.score = curscore;
8649 tempStats.got_only_move = 0;
8651 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8654 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8655 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8656 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8657 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8658 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8659 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8660 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8661 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8664 /* Buffer overflow protection */
8665 if (pv[0] != NULLCHAR) {
8666 if (strlen(pv) >= sizeof(tempStats.movelist)
8667 && appData.debugMode) {
8669 "PV is too long; using the first %u bytes.\n",
8670 (unsigned) sizeof(tempStats.movelist) - 1);
8673 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8675 sprintf(tempStats.movelist, " no PV\n");
8678 if (tempStats.seen_stat) {
8679 tempStats.ok_to_send = 1;
8682 if (strchr(tempStats.movelist, '(') != NULL) {
8683 tempStats.line_is_book = 1;
8684 tempStats.nr_moves = 0;
8685 tempStats.moves_left = 0;
8687 tempStats.line_is_book = 0;
8690 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8691 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8693 SendProgramStatsToFrontend( cps, &tempStats );
8696 [AS] Protect the thinkOutput buffer from overflow... this
8697 is only useful if buf1 hasn't overflowed first!
8699 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8701 (gameMode == TwoMachinesPlay ?
8702 ToUpper(cps->twoMachinesColor[0]) : ' '),
8703 ((double) curscore) / 100.0,
8704 prefixHint ? lastHint : "",
8705 prefixHint ? " " : "" );
8707 if( buf1[0] != NULLCHAR ) {
8708 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8710 if( strlen(pv) > max_len ) {
8711 if( appData.debugMode) {
8712 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8714 pv[max_len+1] = '\0';
8717 strcat( thinkOutput, pv);
8720 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8721 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8722 DisplayMove(currentMove - 1);
8726 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8727 /* crafty (9.25+) says "(only move) <move>"
8728 * if there is only 1 legal move
8730 sscanf(p, "(only move) %s", buf1);
8731 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8732 sprintf(programStats.movelist, "%s (only move)", buf1);
8733 programStats.depth = 1;
8734 programStats.nr_moves = 1;
8735 programStats.moves_left = 1;
8736 programStats.nodes = 1;
8737 programStats.time = 1;
8738 programStats.got_only_move = 1;
8740 /* Not really, but we also use this member to
8741 mean "line isn't going to change" (Crafty
8742 isn't searching, so stats won't change) */
8743 programStats.line_is_book = 1;
8745 SendProgramStatsToFrontend( cps, &programStats );
8747 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8748 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8749 DisplayMove(currentMove - 1);
8752 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8753 &time, &nodes, &plylev, &mvleft,
8754 &mvtot, mvname) >= 5) {
8755 /* The stat01: line is from Crafty (9.29+) in response
8756 to the "." command */
8757 programStats.seen_stat = 1;
8758 cps->maybeThinking = TRUE;
8760 if (programStats.got_only_move || !appData.periodicUpdates)
8763 programStats.depth = plylev;
8764 programStats.time = time;
8765 programStats.nodes = nodes;
8766 programStats.moves_left = mvleft;
8767 programStats.nr_moves = mvtot;
8768 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8769 programStats.ok_to_send = 1;
8770 programStats.movelist[0] = '\0';
8772 SendProgramStatsToFrontend( cps, &programStats );
8776 } else if (strncmp(message,"++",2) == 0) {
8777 /* Crafty 9.29+ outputs this */
8778 programStats.got_fail = 2;
8781 } else if (strncmp(message,"--",2) == 0) {
8782 /* Crafty 9.29+ outputs this */
8783 programStats.got_fail = 1;
8786 } else if (thinkOutput[0] != NULLCHAR &&
8787 strncmp(message, " ", 4) == 0) {
8788 unsigned message_len;
8791 while (*p && *p == ' ') p++;
8793 message_len = strlen( p );
8795 /* [AS] Avoid buffer overflow */
8796 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8797 strcat(thinkOutput, " ");
8798 strcat(thinkOutput, p);
8801 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8802 strcat(programStats.movelist, " ");
8803 strcat(programStats.movelist, p);
8806 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8807 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8808 DisplayMove(currentMove - 1);
8816 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8817 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8819 ChessProgramStats cpstats;
8821 if (plyext != ' ' && plyext != '\t') {
8825 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8826 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8827 curscore = -curscore;
8830 cpstats.depth = plylev;
8831 cpstats.nodes = nodes;
8832 cpstats.time = time;
8833 cpstats.score = curscore;
8834 cpstats.got_only_move = 0;
8835 cpstats.movelist[0] = '\0';
8837 if (buf1[0] != NULLCHAR) {
8838 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8841 cpstats.ok_to_send = 0;
8842 cpstats.line_is_book = 0;
8843 cpstats.nr_moves = 0;
8844 cpstats.moves_left = 0;
8846 SendProgramStatsToFrontend( cps, &cpstats );
8853 /* Parse a game score from the character string "game", and
8854 record it as the history of the current game. The game
8855 score is NOT assumed to start from the standard position.
8856 The display is not updated in any way.
8859 ParseGameHistory (char *game)
8862 int fromX, fromY, toX, toY, boardIndex;
8867 if (appData.debugMode)
8868 fprintf(debugFP, "Parsing game history: %s\n", game);
8870 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8871 gameInfo.site = StrSave(appData.icsHost);
8872 gameInfo.date = PGNDate();
8873 gameInfo.round = StrSave("-");
8875 /* Parse out names of players */
8876 while (*game == ' ') game++;
8878 while (*game != ' ') *p++ = *game++;
8880 gameInfo.white = StrSave(buf);
8881 while (*game == ' ') game++;
8883 while (*game != ' ' && *game != '\n') *p++ = *game++;
8885 gameInfo.black = StrSave(buf);
8888 boardIndex = blackPlaysFirst ? 1 : 0;
8891 yyboardindex = boardIndex;
8892 moveType = (ChessMove) Myylex();
8894 case IllegalMove: /* maybe suicide chess, etc. */
8895 if (appData.debugMode) {
8896 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8897 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8898 setbuf(debugFP, NULL);
8900 case WhitePromotion:
8901 case BlackPromotion:
8902 case WhiteNonPromotion:
8903 case BlackNonPromotion:
8905 case WhiteCapturesEnPassant:
8906 case BlackCapturesEnPassant:
8907 case WhiteKingSideCastle:
8908 case WhiteQueenSideCastle:
8909 case BlackKingSideCastle:
8910 case BlackQueenSideCastle:
8911 case WhiteKingSideCastleWild:
8912 case WhiteQueenSideCastleWild:
8913 case BlackKingSideCastleWild:
8914 case BlackQueenSideCastleWild:
8916 case WhiteHSideCastleFR:
8917 case WhiteASideCastleFR:
8918 case BlackHSideCastleFR:
8919 case BlackASideCastleFR:
8921 fromX = currentMoveString[0] - AAA;
8922 fromY = currentMoveString[1] - ONE;
8923 toX = currentMoveString[2] - AAA;
8924 toY = currentMoveString[3] - ONE;
8925 promoChar = currentMoveString[4];
8929 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8930 fromX = moveType == WhiteDrop ?
8931 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8932 (int) CharToPiece(ToLower(currentMoveString[0]));
8934 toX = currentMoveString[2] - AAA;
8935 toY = currentMoveString[3] - ONE;
8936 promoChar = NULLCHAR;
8940 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8941 if (appData.debugMode) {
8942 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8943 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8944 setbuf(debugFP, NULL);
8946 DisplayError(buf, 0);
8948 case ImpossibleMove:
8950 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8951 if (appData.debugMode) {
8952 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8953 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8954 setbuf(debugFP, NULL);
8956 DisplayError(buf, 0);
8959 if (boardIndex < backwardMostMove) {
8960 /* Oops, gap. How did that happen? */
8961 DisplayError(_("Gap in move list"), 0);
8964 backwardMostMove = blackPlaysFirst ? 1 : 0;
8965 if (boardIndex > forwardMostMove) {
8966 forwardMostMove = boardIndex;
8970 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8971 strcat(parseList[boardIndex-1], " ");
8972 strcat(parseList[boardIndex-1], yy_text);
8984 case GameUnfinished:
8985 if (gameMode == IcsExamining) {
8986 if (boardIndex < backwardMostMove) {
8987 /* Oops, gap. How did that happen? */
8990 backwardMostMove = blackPlaysFirst ? 1 : 0;
8993 gameInfo.result = moveType;
8994 p = strchr(yy_text, '{');
8995 if (p == NULL) p = strchr(yy_text, '(');
8998 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9000 q = strchr(p, *p == '{' ? '}' : ')');
9001 if (q != NULL) *q = NULLCHAR;
9004 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9005 gameInfo.resultDetails = StrSave(p);
9008 if (boardIndex >= forwardMostMove &&
9009 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9010 backwardMostMove = blackPlaysFirst ? 1 : 0;
9013 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9014 fromY, fromX, toY, toX, promoChar,
9015 parseList[boardIndex]);
9016 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9017 /* currentMoveString is set as a side-effect of yylex */
9018 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9019 strcat(moveList[boardIndex], "\n");
9021 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9022 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9028 if(gameInfo.variant != VariantShogi)
9029 strcat(parseList[boardIndex - 1], "+");
9033 strcat(parseList[boardIndex - 1], "#");
9040 /* Apply a move to the given board */
9042 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9044 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9045 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9047 /* [HGM] compute & store e.p. status and castling rights for new position */
9048 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9050 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9051 oldEP = (signed char)board[EP_STATUS];
9052 board[EP_STATUS] = EP_NONE;
9054 if (fromY == DROP_RANK) {
9056 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9057 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9060 piece = board[toY][toX] = (ChessSquare) fromX;
9064 if( board[toY][toX] != EmptySquare )
9065 board[EP_STATUS] = EP_CAPTURE;
9067 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9068 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9069 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9071 if( board[fromY][fromX] == WhitePawn ) {
9072 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9073 board[EP_STATUS] = EP_PAWN_MOVE;
9075 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9076 gameInfo.variant != VariantBerolina || toX < fromX)
9077 board[EP_STATUS] = toX | berolina;
9078 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9079 gameInfo.variant != VariantBerolina || toX > fromX)
9080 board[EP_STATUS] = toX;
9083 if( board[fromY][fromX] == BlackPawn ) {
9084 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9085 board[EP_STATUS] = EP_PAWN_MOVE;
9086 if( toY-fromY== -2) {
9087 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9088 gameInfo.variant != VariantBerolina || toX < fromX)
9089 board[EP_STATUS] = toX | berolina;
9090 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9091 gameInfo.variant != VariantBerolina || toX > fromX)
9092 board[EP_STATUS] = toX;
9096 for(i=0; i<nrCastlingRights; i++) {
9097 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9098 board[CASTLING][i] == toX && castlingRank[i] == toY
9099 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9102 if (fromX == toX && fromY == toY) return;
9104 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9105 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9106 if(gameInfo.variant == VariantKnightmate)
9107 king += (int) WhiteUnicorn - (int) WhiteKing;
9109 /* Code added by Tord: */
9110 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9111 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9112 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9113 board[fromY][fromX] = EmptySquare;
9114 board[toY][toX] = EmptySquare;
9115 if((toX > fromX) != (piece == WhiteRook)) {
9116 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9118 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9120 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9121 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9122 board[fromY][fromX] = EmptySquare;
9123 board[toY][toX] = EmptySquare;
9124 if((toX > fromX) != (piece == BlackRook)) {
9125 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9127 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9129 /* End of code added by Tord */
9131 } else if (board[fromY][fromX] == king
9132 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9133 && toY == fromY && toX > fromX+1) {
9134 board[fromY][fromX] = EmptySquare;
9135 board[toY][toX] = king;
9136 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9137 board[fromY][BOARD_RGHT-1] = EmptySquare;
9138 } else if (board[fromY][fromX] == king
9139 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9140 && toY == fromY && toX < fromX-1) {
9141 board[fromY][fromX] = EmptySquare;
9142 board[toY][toX] = king;
9143 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9144 board[fromY][BOARD_LEFT] = EmptySquare;
9145 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9146 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9147 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9149 /* white pawn promotion */
9150 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9151 if(gameInfo.variant==VariantBughouse ||
9152 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9153 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9154 board[fromY][fromX] = EmptySquare;
9155 } else if ((fromY >= BOARD_HEIGHT>>1)
9157 && gameInfo.variant != VariantXiangqi
9158 && gameInfo.variant != VariantBerolina
9159 && (board[fromY][fromX] == WhitePawn)
9160 && (board[toY][toX] == EmptySquare)) {
9161 board[fromY][fromX] = EmptySquare;
9162 board[toY][toX] = WhitePawn;
9163 captured = board[toY - 1][toX];
9164 board[toY - 1][toX] = EmptySquare;
9165 } else if ((fromY == BOARD_HEIGHT-4)
9167 && gameInfo.variant == VariantBerolina
9168 && (board[fromY][fromX] == WhitePawn)
9169 && (board[toY][toX] == EmptySquare)) {
9170 board[fromY][fromX] = EmptySquare;
9171 board[toY][toX] = WhitePawn;
9172 if(oldEP & EP_BEROLIN_A) {
9173 captured = board[fromY][fromX-1];
9174 board[fromY][fromX-1] = EmptySquare;
9175 }else{ captured = board[fromY][fromX+1];
9176 board[fromY][fromX+1] = EmptySquare;
9178 } else if (board[fromY][fromX] == king
9179 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9180 && toY == fromY && toX > fromX+1) {
9181 board[fromY][fromX] = EmptySquare;
9182 board[toY][toX] = king;
9183 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9184 board[fromY][BOARD_RGHT-1] = EmptySquare;
9185 } else if (board[fromY][fromX] == king
9186 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9187 && toY == fromY && toX < fromX-1) {
9188 board[fromY][fromX] = EmptySquare;
9189 board[toY][toX] = king;
9190 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9191 board[fromY][BOARD_LEFT] = EmptySquare;
9192 } else if (fromY == 7 && fromX == 3
9193 && board[fromY][fromX] == BlackKing
9194 && toY == 7 && toX == 5) {
9195 board[fromY][fromX] = EmptySquare;
9196 board[toY][toX] = BlackKing;
9197 board[fromY][7] = EmptySquare;
9198 board[toY][4] = BlackRook;
9199 } else if (fromY == 7 && fromX == 3
9200 && board[fromY][fromX] == BlackKing
9201 && toY == 7 && toX == 1) {
9202 board[fromY][fromX] = EmptySquare;
9203 board[toY][toX] = BlackKing;
9204 board[fromY][0] = EmptySquare;
9205 board[toY][2] = BlackRook;
9206 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9207 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9208 && toY < promoRank && promoChar
9210 /* black pawn promotion */
9211 board[toY][toX] = CharToPiece(ToLower(promoChar));
9212 if(gameInfo.variant==VariantBughouse ||
9213 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9214 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9215 board[fromY][fromX] = EmptySquare;
9216 } else if ((fromY < BOARD_HEIGHT>>1)
9218 && gameInfo.variant != VariantXiangqi
9219 && gameInfo.variant != VariantBerolina
9220 && (board[fromY][fromX] == BlackPawn)
9221 && (board[toY][toX] == EmptySquare)) {
9222 board[fromY][fromX] = EmptySquare;
9223 board[toY][toX] = BlackPawn;
9224 captured = board[toY + 1][toX];
9225 board[toY + 1][toX] = EmptySquare;
9226 } else if ((fromY == 3)
9228 && gameInfo.variant == VariantBerolina
9229 && (board[fromY][fromX] == BlackPawn)
9230 && (board[toY][toX] == EmptySquare)) {
9231 board[fromY][fromX] = EmptySquare;
9232 board[toY][toX] = BlackPawn;
9233 if(oldEP & EP_BEROLIN_A) {
9234 captured = board[fromY][fromX-1];
9235 board[fromY][fromX-1] = EmptySquare;
9236 }else{ captured = board[fromY][fromX+1];
9237 board[fromY][fromX+1] = EmptySquare;
9240 board[toY][toX] = board[fromY][fromX];
9241 board[fromY][fromX] = EmptySquare;
9245 if (gameInfo.holdingsWidth != 0) {
9247 /* !!A lot more code needs to be written to support holdings */
9248 /* [HGM] OK, so I have written it. Holdings are stored in the */
9249 /* penultimate board files, so they are automaticlly stored */
9250 /* in the game history. */
9251 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9252 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9253 /* Delete from holdings, by decreasing count */
9254 /* and erasing image if necessary */
9255 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9256 if(p < (int) BlackPawn) { /* white drop */
9257 p -= (int)WhitePawn;
9258 p = PieceToNumber((ChessSquare)p);
9259 if(p >= gameInfo.holdingsSize) p = 0;
9260 if(--board[p][BOARD_WIDTH-2] <= 0)
9261 board[p][BOARD_WIDTH-1] = EmptySquare;
9262 if((int)board[p][BOARD_WIDTH-2] < 0)
9263 board[p][BOARD_WIDTH-2] = 0;
9264 } else { /* black drop */
9265 p -= (int)BlackPawn;
9266 p = PieceToNumber((ChessSquare)p);
9267 if(p >= gameInfo.holdingsSize) p = 0;
9268 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9269 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9270 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9271 board[BOARD_HEIGHT-1-p][1] = 0;
9274 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9275 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9276 /* [HGM] holdings: Add to holdings, if holdings exist */
9277 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9278 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9279 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9282 if (p >= (int) BlackPawn) {
9283 p -= (int)BlackPawn;
9284 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9285 /* in Shogi restore piece to its original first */
9286 captured = (ChessSquare) (DEMOTED captured);
9289 p = PieceToNumber((ChessSquare)p);
9290 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9291 board[p][BOARD_WIDTH-2]++;
9292 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9294 p -= (int)WhitePawn;
9295 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9296 captured = (ChessSquare) (DEMOTED captured);
9299 p = PieceToNumber((ChessSquare)p);
9300 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9301 board[BOARD_HEIGHT-1-p][1]++;
9302 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9305 } else if (gameInfo.variant == VariantAtomic) {
9306 if (captured != EmptySquare) {
9308 for (y = toY-1; y <= toY+1; y++) {
9309 for (x = toX-1; x <= toX+1; x++) {
9310 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9311 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9312 board[y][x] = EmptySquare;
9316 board[toY][toX] = EmptySquare;
9319 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9320 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9322 if(promoChar == '+') {
9323 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9324 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9325 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9326 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9328 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9329 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9330 // [HGM] superchess: take promotion piece out of holdings
9331 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9332 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9333 if(!--board[k][BOARD_WIDTH-2])
9334 board[k][BOARD_WIDTH-1] = EmptySquare;
9336 if(!--board[BOARD_HEIGHT-1-k][1])
9337 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9343 /* Updates forwardMostMove */
9345 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9347 // forwardMostMove++; // [HGM] bare: moved downstream
9349 (void) CoordsToAlgebraic(boards[forwardMostMove],
9350 PosFlags(forwardMostMove),
9351 fromY, fromX, toY, toX, promoChar,
9352 parseList[forwardMostMove]);
9354 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9355 int timeLeft; static int lastLoadFlag=0; int king, piece;
9356 piece = boards[forwardMostMove][fromY][fromX];
9357 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9358 if(gameInfo.variant == VariantKnightmate)
9359 king += (int) WhiteUnicorn - (int) WhiteKing;
9360 if(forwardMostMove == 0) {
9361 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9362 fprintf(serverMoves, "%s;", UserName());
9363 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9364 fprintf(serverMoves, "%s;", second.tidy);
9365 fprintf(serverMoves, "%s;", first.tidy);
9366 if(gameMode == MachinePlaysWhite)
9367 fprintf(serverMoves, "%s;", UserName());
9368 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9369 fprintf(serverMoves, "%s;", second.tidy);
9370 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9371 lastLoadFlag = loadFlag;
9373 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9374 // print castling suffix
9375 if( toY == fromY && piece == king ) {
9377 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9379 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9382 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9383 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9384 boards[forwardMostMove][toY][toX] == EmptySquare
9385 && fromX != toX && fromY != toY)
9386 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9388 if(promoChar != NULLCHAR)
9389 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9391 char buf[MOVE_LEN*2], *p; int len;
9392 fprintf(serverMoves, "/%d/%d",
9393 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9394 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9395 else timeLeft = blackTimeRemaining/1000;
9396 fprintf(serverMoves, "/%d", timeLeft);
9397 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9398 if(p = strchr(buf, '=')) *p = NULLCHAR;
9399 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9400 fprintf(serverMoves, "/%s", buf);
9402 fflush(serverMoves);
9405 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9406 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9409 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9410 if (commentList[forwardMostMove+1] != NULL) {
9411 free(commentList[forwardMostMove+1]);
9412 commentList[forwardMostMove+1] = NULL;
9414 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9415 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9416 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9417 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9418 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9419 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9420 adjustedClock = FALSE;
9421 gameInfo.result = GameUnfinished;
9422 if (gameInfo.resultDetails != NULL) {
9423 free(gameInfo.resultDetails);
9424 gameInfo.resultDetails = NULL;
9426 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9427 moveList[forwardMostMove - 1]);
9428 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9434 if(gameInfo.variant != VariantShogi)
9435 strcat(parseList[forwardMostMove - 1], "+");
9439 strcat(parseList[forwardMostMove - 1], "#");
9445 /* Updates currentMove if not pausing */
9447 ShowMove (int fromX, int fromY, int toX, int toY)
9449 int instant = (gameMode == PlayFromGameFile) ?
9450 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9451 if(appData.noGUI) return;
9452 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9454 if (forwardMostMove == currentMove + 1) {
9455 AnimateMove(boards[forwardMostMove - 1],
9456 fromX, fromY, toX, toY);
9458 if (appData.highlightLastMove) {
9459 SetHighlights(fromX, fromY, toX, toY);
9462 currentMove = forwardMostMove;
9465 if (instant) return;
9467 DisplayMove(currentMove - 1);
9468 DrawPosition(FALSE, boards[currentMove]);
9469 DisplayBothClocks();
9470 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9474 SendEgtPath (ChessProgramState *cps)
9475 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9476 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9478 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9481 char c, *q = name+1, *r, *s;
9483 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9484 while(*p && *p != ',') *q++ = *p++;
9486 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9487 strcmp(name, ",nalimov:") == 0 ) {
9488 // take nalimov path from the menu-changeable option first, if it is defined
9489 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9490 SendToProgram(buf,cps); // send egtbpath command for nalimov
9492 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9493 (s = StrStr(appData.egtFormats, name)) != NULL) {
9494 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9495 s = r = StrStr(s, ":") + 1; // beginning of path info
9496 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9497 c = *r; *r = 0; // temporarily null-terminate path info
9498 *--q = 0; // strip of trailig ':' from name
9499 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9501 SendToProgram(buf,cps); // send egtbpath command for this format
9503 if(*p == ',') p++; // read away comma to position for next format name
9508 InitChessProgram (ChessProgramState *cps, int setup)
9509 /* setup needed to setup FRC opening position */
9511 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9512 if (appData.noChessProgram) return;
9513 hintRequested = FALSE;
9514 bookRequested = FALSE;
9516 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9517 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9518 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9519 if(cps->memSize) { /* [HGM] memory */
9520 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9521 SendToProgram(buf, cps);
9523 SendEgtPath(cps); /* [HGM] EGT */
9524 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9525 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9526 SendToProgram(buf, cps);
9529 SendToProgram(cps->initString, cps);
9530 if (gameInfo.variant != VariantNormal &&
9531 gameInfo.variant != VariantLoadable
9532 /* [HGM] also send variant if board size non-standard */
9533 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9535 char *v = VariantName(gameInfo.variant);
9536 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9537 /* [HGM] in protocol 1 we have to assume all variants valid */
9538 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9539 DisplayFatalError(buf, 0, 1);
9543 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9544 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9545 if( gameInfo.variant == VariantXiangqi )
9546 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9547 if( gameInfo.variant == VariantShogi )
9548 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9549 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9550 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9551 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9552 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9553 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9554 if( gameInfo.variant == VariantCourier )
9555 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9556 if( gameInfo.variant == VariantSuper )
9557 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9558 if( gameInfo.variant == VariantGreat )
9559 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9560 if( gameInfo.variant == VariantSChess )
9561 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9562 if( gameInfo.variant == VariantGrand )
9563 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9566 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9567 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9568 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9569 if(StrStr(cps->variants, b) == NULL) {
9570 // specific sized variant not known, check if general sizing allowed
9571 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9572 if(StrStr(cps->variants, "boardsize") == NULL) {
9573 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9574 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9575 DisplayFatalError(buf, 0, 1);
9578 /* [HGM] here we really should compare with the maximum supported board size */
9581 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9582 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9583 SendToProgram(buf, cps);
9585 currentlyInitializedVariant = gameInfo.variant;
9587 /* [HGM] send opening position in FRC to first engine */
9589 SendToProgram("force\n", cps);
9591 /* engine is now in force mode! Set flag to wake it up after first move. */
9592 setboardSpoiledMachineBlack = 1;
9596 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9597 SendToProgram(buf, cps);
9599 cps->maybeThinking = FALSE;
9600 cps->offeredDraw = 0;
9601 if (!appData.icsActive) {
9602 SendTimeControl(cps, movesPerSession, timeControl,
9603 timeIncrement, appData.searchDepth,
9606 if (appData.showThinking
9607 // [HGM] thinking: four options require thinking output to be sent
9608 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9610 SendToProgram("post\n", cps);
9612 SendToProgram("hard\n", cps);
9613 if (!appData.ponderNextMove) {
9614 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9615 it without being sure what state we are in first. "hard"
9616 is not a toggle, so that one is OK.
9618 SendToProgram("easy\n", cps);
9621 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9622 SendToProgram(buf, cps);
9624 cps->initDone = TRUE;
9625 ClearEngineOutputPane(cps == &second);
9630 StartChessProgram (ChessProgramState *cps)
9635 if (appData.noChessProgram) return;
9636 cps->initDone = FALSE;
9638 if (strcmp(cps->host, "localhost") == 0) {
9639 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9640 } else if (*appData.remoteShell == NULLCHAR) {
9641 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9643 if (*appData.remoteUser == NULLCHAR) {
9644 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9647 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9648 cps->host, appData.remoteUser, cps->program);
9650 err = StartChildProcess(buf, "", &cps->pr);
9654 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9655 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9656 if(cps != &first) return;
9657 appData.noChessProgram = TRUE;
9660 // DisplayFatalError(buf, err, 1);
9661 // cps->pr = NoProc;
9666 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9667 if (cps->protocolVersion > 1) {
9668 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9669 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9670 cps->comboCnt = 0; // and values of combo boxes
9671 SendToProgram(buf, cps);
9673 SendToProgram("xboard\n", cps);
9678 TwoMachinesEventIfReady P((void))
9680 static int curMess = 0;
9681 if (first.lastPing != first.lastPong) {
9682 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9683 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9686 if (second.lastPing != second.lastPong) {
9687 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9688 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9691 DisplayMessage("", ""); curMess = 0;
9697 MakeName (char *template)
9701 static char buf[MSG_SIZ];
9705 clock = time((time_t *)NULL);
9706 tm = localtime(&clock);
9708 while(*p++ = *template++) if(p[-1] == '%') {
9709 switch(*template++) {
9710 case 0: *p = 0; return buf;
9711 case 'Y': i = tm->tm_year+1900; break;
9712 case 'y': i = tm->tm_year-100; break;
9713 case 'M': i = tm->tm_mon+1; break;
9714 case 'd': i = tm->tm_mday; break;
9715 case 'h': i = tm->tm_hour; break;
9716 case 'm': i = tm->tm_min; break;
9717 case 's': i = tm->tm_sec; break;
9720 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9726 CountPlayers (char *p)
9729 while(p = strchr(p, '\n')) p++, n++; // count participants
9734 WriteTourneyFile (char *results, FILE *f)
9735 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9736 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9737 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9738 // create a file with tournament description
9739 fprintf(f, "-participants {%s}\n", appData.participants);
9740 fprintf(f, "-seedBase %d\n", appData.seedBase);
9741 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9742 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9743 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9744 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9745 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9746 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9747 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9748 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9749 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9750 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9751 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9752 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9754 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9756 fprintf(f, "-mps %d\n", appData.movesPerSession);
9757 fprintf(f, "-tc %s\n", appData.timeControl);
9758 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9760 fprintf(f, "-results \"%s\"\n", results);
9765 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9768 Substitute (char *participants, int expunge)
9770 int i, changed, changes=0, nPlayers=0;
9771 char *p, *q, *r, buf[MSG_SIZ];
9772 if(participants == NULL) return;
9773 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9774 r = p = participants; q = appData.participants;
9775 while(*p && *p == *q) {
9776 if(*p == '\n') r = p+1, nPlayers++;
9779 if(*p) { // difference
9780 while(*p && *p++ != '\n');
9781 while(*q && *q++ != '\n');
9783 changes = 1 + (strcmp(p, q) != 0);
9785 if(changes == 1) { // a single engine mnemonic was changed
9786 q = r; while(*q) nPlayers += (*q++ == '\n');
9787 p = buf; while(*r && (*p = *r++) != '\n') p++;
9789 NamesToList(firstChessProgramNames, command, mnemonic, "all");
9790 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9791 if(mnemonic[i]) { // The substitute is valid
9793 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9794 flock(fileno(f), LOCK_EX);
9795 ParseArgsFromFile(f);
9796 fseek(f, 0, SEEK_SET);
9797 FREE(appData.participants); appData.participants = participants;
9798 if(expunge) { // erase results of replaced engine
9799 int len = strlen(appData.results), w, b, dummy;
9800 for(i=0; i<len; i++) {
9801 Pairing(i, nPlayers, &w, &b, &dummy);
9802 if((w == changed || b == changed) && appData.results[i] == '*') {
9803 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9808 for(i=0; i<len; i++) {
9809 Pairing(i, nPlayers, &w, &b, &dummy);
9810 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9813 WriteTourneyFile(appData.results, f);
9814 fclose(f); // release lock
9817 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9819 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9820 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9826 CreateTourney (char *name)
9829 if(matchMode && strcmp(name, appData.tourneyFile)) {
9830 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9832 if(name[0] == NULLCHAR) {
9833 if(appData.participants[0])
9834 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9837 f = fopen(name, "r");
9838 if(f) { // file exists
9839 ASSIGN(appData.tourneyFile, name);
9840 ParseArgsFromFile(f); // parse it
9842 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9843 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9844 DisplayError(_("Not enough participants"), 0);
9847 ASSIGN(appData.tourneyFile, name);
9848 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9849 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9852 appData.noChessProgram = FALSE;
9853 appData.clockMode = TRUE;
9859 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
9861 char buf[MSG_SIZ], *p, *q;
9862 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
9863 skip = !all && group[0]; // if group requested, we start in skip mode
9864 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
9865 p = names; q = buf; header = 0;
9866 while(*p && *p != '\n') *q++ = *p++;
9870 if(strstr(buf, "# end") == buf) { depth--; continue; } // leave group, and suppress printing label
9871 depth++; // we must be entering a new group
9872 if(all) continue; // suppress printing group headers when complete list requested
9874 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
9876 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
9877 if(engineList[i]) free(engineList[i]);
9878 engineList[i] = strdup(buf);
9879 if(buf[0] != '#') TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
9880 if(engineMnemonic[i]) free(engineMnemonic[i]);
9881 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9883 sscanf(q + 8, "%s", buf + strlen(buf));
9886 engineMnemonic[i] = strdup(buf);
9889 engineList[i] = engineMnemonic[i] = NULL;
9893 // following implemented as macro to avoid type limitations
9894 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9898 { // swap settings for first engine and other engine (so far only some selected options)
9903 SWAP(chessProgram, p)
9905 SWAP(hasOwnBookUCI, h)
9906 SWAP(protocolVersion, h)
9908 SWAP(scoreIsAbsolute, h)
9917 SetPlayer (int player, char *p)
9918 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9920 char buf[MSG_SIZ], *engineName;
9921 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9922 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9923 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9925 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9926 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9927 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
9928 ParseArgsFromString(buf);
9934 char *recentEngines;
9937 RecentEngineEvent (int nr)
9940 // SwapEngines(1); // bump first to second
9941 // ReplaceEngine(&second, 1); // and load it there
9942 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
9943 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
9944 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
9945 ReplaceEngine(&first, 0);
9946 FloatToFront(&appData.recentEngineList, command[n]);
9951 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9952 { // determine players from game number
9953 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9955 if(appData.tourneyType == 0) {
9956 roundsPerCycle = (nPlayers - 1) | 1;
9957 pairingsPerRound = nPlayers / 2;
9958 } else if(appData.tourneyType > 0) {
9959 roundsPerCycle = nPlayers - appData.tourneyType;
9960 pairingsPerRound = appData.tourneyType;
9962 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9963 gamesPerCycle = gamesPerRound * roundsPerCycle;
9964 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9965 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9966 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9967 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9968 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9969 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9971 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9972 if(appData.roundSync) *syncInterval = gamesPerRound;
9974 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9976 if(appData.tourneyType == 0) {
9977 if(curPairing == (nPlayers-1)/2 ) {
9978 *whitePlayer = curRound;
9979 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9981 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9982 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9983 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9984 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9986 } else if(appData.tourneyType > 1) {
9987 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
9988 *whitePlayer = curRound + appData.tourneyType;
9989 } else if(appData.tourneyType > 0) {
9990 *whitePlayer = curPairing;
9991 *blackPlayer = curRound + appData.tourneyType;
9994 // take care of white/black alternation per round.
9995 // For cycles and games this is already taken care of by default, derived from matchGame!
9996 return curRound & 1;
10000 NextTourneyGame (int nr, int *swapColors)
10001 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10003 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10005 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10006 tf = fopen(appData.tourneyFile, "r");
10007 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10008 ParseArgsFromFile(tf); fclose(tf);
10009 InitTimeControls(); // TC might be altered from tourney file
10011 nPlayers = CountPlayers(appData.participants); // count participants
10012 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10013 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10016 p = q = appData.results;
10017 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10018 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10019 DisplayMessage(_("Waiting for other game(s)"),"");
10020 waitingForGame = TRUE;
10021 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10024 waitingForGame = FALSE;
10027 if(appData.tourneyType < 0) {
10028 if(nr>=0 && !pairingReceived) {
10030 if(pairing.pr == NoProc) {
10031 if(!appData.pairingEngine[0]) {
10032 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10035 StartChessProgram(&pairing); // starts the pairing engine
10037 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10038 SendToProgram(buf, &pairing);
10039 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10040 SendToProgram(buf, &pairing);
10041 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10043 pairingReceived = 0; // ... so we continue here
10045 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10046 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10047 matchGame = 1; roundNr = nr / syncInterval + 1;
10050 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10052 // redefine engines, engine dir, etc.
10053 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10054 if(first.pr == NoProc) {
10055 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10056 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10058 if(second.pr == NoProc) {
10060 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10061 SwapEngines(1); // and make that valid for second engine by swapping
10062 InitEngine(&second, 1);
10064 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10065 UpdateLogos(FALSE); // leave display to ModeHiglight()
10071 { // performs game initialization that does not invoke engines, and then tries to start the game
10072 int res, firstWhite, swapColors = 0;
10073 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10074 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10075 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10076 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10077 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10078 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10079 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10080 Reset(FALSE, first.pr != NoProc);
10081 res = LoadGameOrPosition(matchGame); // setup game
10082 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10083 if(!res) return; // abort when bad game/pos file
10084 TwoMachinesEvent();
10088 UserAdjudicationEvent (int result)
10090 ChessMove gameResult = GameIsDrawn;
10093 gameResult = WhiteWins;
10095 else if( result < 0 ) {
10096 gameResult = BlackWins;
10099 if( gameMode == TwoMachinesPlay ) {
10100 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10105 // [HGM] save: calculate checksum of game to make games easily identifiable
10107 StringCheckSum (char *s)
10110 if(s==NULL) return 0;
10111 while(*s) i = i*259 + *s++;
10119 for(i=backwardMostMove; i<forwardMostMove; i++) {
10120 sum += pvInfoList[i].depth;
10121 sum += StringCheckSum(parseList[i]);
10122 sum += StringCheckSum(commentList[i]);
10125 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10126 return sum + StringCheckSum(commentList[i]);
10127 } // end of save patch
10130 GameEnds (ChessMove result, char *resultDetails, int whosays)
10132 GameMode nextGameMode;
10134 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10136 if(endingGame) return; /* [HGM] crash: forbid recursion */
10138 if(twoBoards) { // [HGM] dual: switch back to one board
10139 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10140 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10142 if (appData.debugMode) {
10143 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10144 result, resultDetails ? resultDetails : "(null)", whosays);
10147 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10149 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10150 /* If we are playing on ICS, the server decides when the
10151 game is over, but the engine can offer to draw, claim
10155 if (appData.zippyPlay && first.initDone) {
10156 if (result == GameIsDrawn) {
10157 /* In case draw still needs to be claimed */
10158 SendToICS(ics_prefix);
10159 SendToICS("draw\n");
10160 } else if (StrCaseStr(resultDetails, "resign")) {
10161 SendToICS(ics_prefix);
10162 SendToICS("resign\n");
10166 endingGame = 0; /* [HGM] crash */
10170 /* If we're loading the game from a file, stop */
10171 if (whosays == GE_FILE) {
10172 (void) StopLoadGameTimer();
10176 /* Cancel draw offers */
10177 first.offeredDraw = second.offeredDraw = 0;
10179 /* If this is an ICS game, only ICS can really say it's done;
10180 if not, anyone can. */
10181 isIcsGame = (gameMode == IcsPlayingWhite ||
10182 gameMode == IcsPlayingBlack ||
10183 gameMode == IcsObserving ||
10184 gameMode == IcsExamining);
10186 if (!isIcsGame || whosays == GE_ICS) {
10187 /* OK -- not an ICS game, or ICS said it was done */
10189 if (!isIcsGame && !appData.noChessProgram)
10190 SetUserThinkingEnables();
10192 /* [HGM] if a machine claims the game end we verify this claim */
10193 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10194 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10196 ChessMove trueResult = (ChessMove) -1;
10198 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10199 first.twoMachinesColor[0] :
10200 second.twoMachinesColor[0] ;
10202 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10203 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10204 /* [HGM] verify: engine mate claims accepted if they were flagged */
10205 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10207 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10208 /* [HGM] verify: engine mate claims accepted if they were flagged */
10209 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10211 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10212 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10215 // now verify win claims, but not in drop games, as we don't understand those yet
10216 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10217 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10218 (result == WhiteWins && claimer == 'w' ||
10219 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10220 if (appData.debugMode) {
10221 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10222 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10224 if(result != trueResult) {
10225 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10226 result = claimer == 'w' ? BlackWins : WhiteWins;
10227 resultDetails = buf;
10230 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10231 && (forwardMostMove <= backwardMostMove ||
10232 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10233 (claimer=='b')==(forwardMostMove&1))
10235 /* [HGM] verify: draws that were not flagged are false claims */
10236 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10237 result = claimer == 'w' ? BlackWins : WhiteWins;
10238 resultDetails = buf;
10240 /* (Claiming a loss is accepted no questions asked!) */
10242 /* [HGM] bare: don't allow bare King to win */
10243 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10244 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10245 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10246 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10247 && result != GameIsDrawn)
10248 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10249 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10250 int p = (signed char)boards[forwardMostMove][i][j] - color;
10251 if(p >= 0 && p <= (int)WhiteKing) k++;
10253 if (appData.debugMode) {
10254 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10255 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10258 result = GameIsDrawn;
10259 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10260 resultDetails = buf;
10266 if(serverMoves != NULL && !loadFlag) { char c = '=';
10267 if(result==WhiteWins) c = '+';
10268 if(result==BlackWins) c = '-';
10269 if(resultDetails != NULL)
10270 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10272 if (resultDetails != NULL) {
10273 gameInfo.result = result;
10274 gameInfo.resultDetails = StrSave(resultDetails);
10276 /* display last move only if game was not loaded from file */
10277 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10278 DisplayMove(currentMove - 1);
10280 if (forwardMostMove != 0) {
10281 if (gameMode != PlayFromGameFile && gameMode != EditGame
10282 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10284 if (*appData.saveGameFile != NULLCHAR) {
10285 SaveGameToFile(appData.saveGameFile, TRUE);
10286 } else if (appData.autoSaveGames) {
10289 if (*appData.savePositionFile != NULLCHAR) {
10290 SavePositionToFile(appData.savePositionFile);
10295 /* Tell program how game ended in case it is learning */
10296 /* [HGM] Moved this to after saving the PGN, just in case */
10297 /* engine died and we got here through time loss. In that */
10298 /* case we will get a fatal error writing the pipe, which */
10299 /* would otherwise lose us the PGN. */
10300 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10301 /* output during GameEnds should never be fatal anymore */
10302 if (gameMode == MachinePlaysWhite ||
10303 gameMode == MachinePlaysBlack ||
10304 gameMode == TwoMachinesPlay ||
10305 gameMode == IcsPlayingWhite ||
10306 gameMode == IcsPlayingBlack ||
10307 gameMode == BeginningOfGame) {
10309 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10311 if (first.pr != NoProc) {
10312 SendToProgram(buf, &first);
10314 if (second.pr != NoProc &&
10315 gameMode == TwoMachinesPlay) {
10316 SendToProgram(buf, &second);
10321 if (appData.icsActive) {
10322 if (appData.quietPlay &&
10323 (gameMode == IcsPlayingWhite ||
10324 gameMode == IcsPlayingBlack)) {
10325 SendToICS(ics_prefix);
10326 SendToICS("set shout 1\n");
10328 nextGameMode = IcsIdle;
10329 ics_user_moved = FALSE;
10330 /* clean up premove. It's ugly when the game has ended and the
10331 * premove highlights are still on the board.
10334 gotPremove = FALSE;
10335 ClearPremoveHighlights();
10336 DrawPosition(FALSE, boards[currentMove]);
10338 if (whosays == GE_ICS) {
10341 if (gameMode == IcsPlayingWhite)
10343 else if(gameMode == IcsPlayingBlack)
10344 PlayIcsLossSound();
10347 if (gameMode == IcsPlayingBlack)
10349 else if(gameMode == IcsPlayingWhite)
10350 PlayIcsLossSound();
10353 PlayIcsDrawSound();
10356 PlayIcsUnfinishedSound();
10359 } else if (gameMode == EditGame ||
10360 gameMode == PlayFromGameFile ||
10361 gameMode == AnalyzeMode ||
10362 gameMode == AnalyzeFile) {
10363 nextGameMode = gameMode;
10365 nextGameMode = EndOfGame;
10370 nextGameMode = gameMode;
10373 if (appData.noChessProgram) {
10374 gameMode = nextGameMode;
10376 endingGame = 0; /* [HGM] crash */
10381 /* Put first chess program into idle state */
10382 if (first.pr != NoProc &&
10383 (gameMode == MachinePlaysWhite ||
10384 gameMode == MachinePlaysBlack ||
10385 gameMode == TwoMachinesPlay ||
10386 gameMode == IcsPlayingWhite ||
10387 gameMode == IcsPlayingBlack ||
10388 gameMode == BeginningOfGame)) {
10389 SendToProgram("force\n", &first);
10390 if (first.usePing) {
10392 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10393 SendToProgram(buf, &first);
10396 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10397 /* Kill off first chess program */
10398 if (first.isr != NULL)
10399 RemoveInputSource(first.isr);
10402 if (first.pr != NoProc) {
10404 DoSleep( appData.delayBeforeQuit );
10405 SendToProgram("quit\n", &first);
10406 DoSleep( appData.delayAfterQuit );
10407 DestroyChildProcess(first.pr, first.useSigterm);
10411 if (second.reuse) {
10412 /* Put second chess program into idle state */
10413 if (second.pr != NoProc &&
10414 gameMode == TwoMachinesPlay) {
10415 SendToProgram("force\n", &second);
10416 if (second.usePing) {
10418 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10419 SendToProgram(buf, &second);
10422 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10423 /* Kill off second chess program */
10424 if (second.isr != NULL)
10425 RemoveInputSource(second.isr);
10428 if (second.pr != NoProc) {
10429 DoSleep( appData.delayBeforeQuit );
10430 SendToProgram("quit\n", &second);
10431 DoSleep( appData.delayAfterQuit );
10432 DestroyChildProcess(second.pr, second.useSigterm);
10434 second.pr = NoProc;
10437 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10438 char resChar = '=';
10442 if (first.twoMachinesColor[0] == 'w') {
10445 second.matchWins++;
10450 if (first.twoMachinesColor[0] == 'b') {
10453 second.matchWins++;
10456 case GameUnfinished:
10462 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10463 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10464 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10465 ReserveGame(nextGame, resChar); // sets nextGame
10466 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10467 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10468 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10470 if (nextGame <= appData.matchGames && !abortMatch) {
10471 gameMode = nextGameMode;
10472 matchGame = nextGame; // this will be overruled in tourney mode!
10473 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10474 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10475 endingGame = 0; /* [HGM] crash */
10478 gameMode = nextGameMode;
10479 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10480 first.tidy, second.tidy,
10481 first.matchWins, second.matchWins,
10482 appData.matchGames - (first.matchWins + second.matchWins));
10483 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10484 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10485 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10486 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10487 first.twoMachinesColor = "black\n";
10488 second.twoMachinesColor = "white\n";
10490 first.twoMachinesColor = "white\n";
10491 second.twoMachinesColor = "black\n";
10495 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10496 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10498 gameMode = nextGameMode;
10500 endingGame = 0; /* [HGM] crash */
10501 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10502 if(matchMode == TRUE) { // match through command line: exit with or without popup
10504 ToNrEvent(forwardMostMove);
10505 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10507 } else DisplayFatalError(buf, 0, 0);
10508 } else { // match through menu; just stop, with or without popup
10509 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10512 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10513 } else DisplayNote(buf);
10515 if(ranking) free(ranking);
10519 /* Assumes program was just initialized (initString sent).
10520 Leaves program in force mode. */
10522 FeedMovesToProgram (ChessProgramState *cps, int upto)
10526 if (appData.debugMode)
10527 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10528 startedFromSetupPosition ? "position and " : "",
10529 backwardMostMove, upto, cps->which);
10530 if(currentlyInitializedVariant != gameInfo.variant) {
10532 // [HGM] variantswitch: make engine aware of new variant
10533 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10534 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10535 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10536 SendToProgram(buf, cps);
10537 currentlyInitializedVariant = gameInfo.variant;
10539 SendToProgram("force\n", cps);
10540 if (startedFromSetupPosition) {
10541 SendBoard(cps, backwardMostMove);
10542 if (appData.debugMode) {
10543 fprintf(debugFP, "feedMoves\n");
10546 for (i = backwardMostMove; i < upto; i++) {
10547 SendMoveToProgram(i, cps);
10553 ResurrectChessProgram ()
10555 /* The chess program may have exited.
10556 If so, restart it and feed it all the moves made so far. */
10557 static int doInit = 0;
10559 if (appData.noChessProgram) return 1;
10561 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10562 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10563 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10564 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10566 if (first.pr != NoProc) return 1;
10567 StartChessProgram(&first);
10569 InitChessProgram(&first, FALSE);
10570 FeedMovesToProgram(&first, currentMove);
10572 if (!first.sendTime) {
10573 /* can't tell gnuchess what its clock should read,
10574 so we bow to its notion. */
10576 timeRemaining[0][currentMove] = whiteTimeRemaining;
10577 timeRemaining[1][currentMove] = blackTimeRemaining;
10580 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10581 appData.icsEngineAnalyze) && first.analysisSupport) {
10582 SendToProgram("analyze\n", &first);
10583 first.analyzing = TRUE;
10589 * Button procedures
10592 Reset (int redraw, int init)
10596 if (appData.debugMode) {
10597 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10598 redraw, init, gameMode);
10600 CleanupTail(); // [HGM] vari: delete any stored variations
10601 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10602 pausing = pauseExamInvalid = FALSE;
10603 startedFromSetupPosition = blackPlaysFirst = FALSE;
10605 whiteFlag = blackFlag = FALSE;
10606 userOfferedDraw = FALSE;
10607 hintRequested = bookRequested = FALSE;
10608 first.maybeThinking = FALSE;
10609 second.maybeThinking = FALSE;
10610 first.bookSuspend = FALSE; // [HGM] book
10611 second.bookSuspend = FALSE;
10612 thinkOutput[0] = NULLCHAR;
10613 lastHint[0] = NULLCHAR;
10614 ClearGameInfo(&gameInfo);
10615 gameInfo.variant = StringToVariant(appData.variant);
10616 ics_user_moved = ics_clock_paused = FALSE;
10617 ics_getting_history = H_FALSE;
10619 white_holding[0] = black_holding[0] = NULLCHAR;
10620 ClearProgramStats();
10621 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10625 flipView = appData.flipView;
10626 ClearPremoveHighlights();
10627 gotPremove = FALSE;
10628 alarmSounded = FALSE;
10630 GameEnds(EndOfFile, NULL, GE_PLAYER);
10631 if(appData.serverMovesName != NULL) {
10632 /* [HGM] prepare to make moves file for broadcasting */
10633 clock_t t = clock();
10634 if(serverMoves != NULL) fclose(serverMoves);
10635 serverMoves = fopen(appData.serverMovesName, "r");
10636 if(serverMoves != NULL) {
10637 fclose(serverMoves);
10638 /* delay 15 sec before overwriting, so all clients can see end */
10639 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10641 serverMoves = fopen(appData.serverMovesName, "w");
10645 gameMode = BeginningOfGame;
10647 if(appData.icsActive) gameInfo.variant = VariantNormal;
10648 currentMove = forwardMostMove = backwardMostMove = 0;
10649 MarkTargetSquares(1);
10650 InitPosition(redraw);
10651 for (i = 0; i < MAX_MOVES; i++) {
10652 if (commentList[i] != NULL) {
10653 free(commentList[i]);
10654 commentList[i] = NULL;
10658 timeRemaining[0][0] = whiteTimeRemaining;
10659 timeRemaining[1][0] = blackTimeRemaining;
10661 if (first.pr == NoProc) {
10662 StartChessProgram(&first);
10665 InitChessProgram(&first, startedFromSetupPosition);
10668 DisplayMessage("", "");
10669 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10670 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10674 AutoPlayGameLoop ()
10677 if (!AutoPlayOneMove())
10679 if (matchMode || appData.timeDelay == 0)
10681 if (appData.timeDelay < 0)
10683 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10692 int fromX, fromY, toX, toY;
10694 if (appData.debugMode) {
10695 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10698 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10701 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10702 pvInfoList[currentMove].depth = programStats.depth;
10703 pvInfoList[currentMove].score = programStats.score;
10704 pvInfoList[currentMove].time = 0;
10705 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10708 if (currentMove >= forwardMostMove) {
10709 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10710 // gameMode = EndOfGame;
10711 // ModeHighlight();
10713 /* [AS] Clear current move marker at the end of a game */
10714 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10719 toX = moveList[currentMove][2] - AAA;
10720 toY = moveList[currentMove][3] - ONE;
10722 if (moveList[currentMove][1] == '@') {
10723 if (appData.highlightLastMove) {
10724 SetHighlights(-1, -1, toX, toY);
10727 fromX = moveList[currentMove][0] - AAA;
10728 fromY = moveList[currentMove][1] - ONE;
10730 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10732 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10734 if (appData.highlightLastMove) {
10735 SetHighlights(fromX, fromY, toX, toY);
10738 DisplayMove(currentMove);
10739 SendMoveToProgram(currentMove++, &first);
10740 DisplayBothClocks();
10741 DrawPosition(FALSE, boards[currentMove]);
10742 // [HGM] PV info: always display, routine tests if empty
10743 DisplayComment(currentMove - 1, commentList[currentMove]);
10749 LoadGameOneMove (ChessMove readAhead)
10751 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10752 char promoChar = NULLCHAR;
10753 ChessMove moveType;
10754 char move[MSG_SIZ];
10757 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10758 gameMode != AnalyzeMode && gameMode != Training) {
10763 yyboardindex = forwardMostMove;
10764 if (readAhead != EndOfFile) {
10765 moveType = readAhead;
10767 if (gameFileFP == NULL)
10769 moveType = (ChessMove) Myylex();
10773 switch (moveType) {
10775 if (appData.debugMode)
10776 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10779 /* append the comment but don't display it */
10780 AppendComment(currentMove, p, FALSE);
10783 case WhiteCapturesEnPassant:
10784 case BlackCapturesEnPassant:
10785 case WhitePromotion:
10786 case BlackPromotion:
10787 case WhiteNonPromotion:
10788 case BlackNonPromotion:
10790 case WhiteKingSideCastle:
10791 case WhiteQueenSideCastle:
10792 case BlackKingSideCastle:
10793 case BlackQueenSideCastle:
10794 case WhiteKingSideCastleWild:
10795 case WhiteQueenSideCastleWild:
10796 case BlackKingSideCastleWild:
10797 case BlackQueenSideCastleWild:
10799 case WhiteHSideCastleFR:
10800 case WhiteASideCastleFR:
10801 case BlackHSideCastleFR:
10802 case BlackASideCastleFR:
10804 if (appData.debugMode)
10805 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10806 fromX = currentMoveString[0] - AAA;
10807 fromY = currentMoveString[1] - ONE;
10808 toX = currentMoveString[2] - AAA;
10809 toY = currentMoveString[3] - ONE;
10810 promoChar = currentMoveString[4];
10815 if (appData.debugMode)
10816 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10817 fromX = moveType == WhiteDrop ?
10818 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10819 (int) CharToPiece(ToLower(currentMoveString[0]));
10821 toX = currentMoveString[2] - AAA;
10822 toY = currentMoveString[3] - ONE;
10828 case GameUnfinished:
10829 if (appData.debugMode)
10830 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10831 p = strchr(yy_text, '{');
10832 if (p == NULL) p = strchr(yy_text, '(');
10835 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10837 q = strchr(p, *p == '{' ? '}' : ')');
10838 if (q != NULL) *q = NULLCHAR;
10841 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10842 GameEnds(moveType, p, GE_FILE);
10844 if (cmailMsgLoaded) {
10846 flipView = WhiteOnMove(currentMove);
10847 if (moveType == GameUnfinished) flipView = !flipView;
10848 if (appData.debugMode)
10849 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10854 if (appData.debugMode)
10855 fprintf(debugFP, "Parser hit end of file\n");
10856 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10862 if (WhiteOnMove(currentMove)) {
10863 GameEnds(BlackWins, "Black mates", GE_FILE);
10865 GameEnds(WhiteWins, "White mates", GE_FILE);
10869 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10875 case MoveNumberOne:
10876 if (lastLoadGameStart == GNUChessGame) {
10877 /* GNUChessGames have numbers, but they aren't move numbers */
10878 if (appData.debugMode)
10879 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10880 yy_text, (int) moveType);
10881 return LoadGameOneMove(EndOfFile); /* tail recursion */
10883 /* else fall thru */
10888 /* Reached start of next game in file */
10889 if (appData.debugMode)
10890 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10891 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10897 if (WhiteOnMove(currentMove)) {
10898 GameEnds(BlackWins, "Black mates", GE_FILE);
10900 GameEnds(WhiteWins, "White mates", GE_FILE);
10904 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10910 case PositionDiagram: /* should not happen; ignore */
10911 case ElapsedTime: /* ignore */
10912 case NAG: /* ignore */
10913 if (appData.debugMode)
10914 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10915 yy_text, (int) moveType);
10916 return LoadGameOneMove(EndOfFile); /* tail recursion */
10919 if (appData.testLegality) {
10920 if (appData.debugMode)
10921 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10922 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10923 (forwardMostMove / 2) + 1,
10924 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10925 DisplayError(move, 0);
10928 if (appData.debugMode)
10929 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10930 yy_text, currentMoveString);
10931 fromX = currentMoveString[0] - AAA;
10932 fromY = currentMoveString[1] - ONE;
10933 toX = currentMoveString[2] - AAA;
10934 toY = currentMoveString[3] - ONE;
10935 promoChar = currentMoveString[4];
10939 case AmbiguousMove:
10940 if (appData.debugMode)
10941 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10942 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10943 (forwardMostMove / 2) + 1,
10944 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10945 DisplayError(move, 0);
10950 case ImpossibleMove:
10951 if (appData.debugMode)
10952 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10953 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10954 (forwardMostMove / 2) + 1,
10955 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10956 DisplayError(move, 0);
10962 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10963 DrawPosition(FALSE, boards[currentMove]);
10964 DisplayBothClocks();
10965 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10966 DisplayComment(currentMove - 1, commentList[currentMove]);
10968 (void) StopLoadGameTimer();
10970 cmailOldMove = forwardMostMove;
10973 /* currentMoveString is set as a side-effect of yylex */
10975 thinkOutput[0] = NULLCHAR;
10976 MakeMove(fromX, fromY, toX, toY, promoChar);
10977 currentMove = forwardMostMove;
10982 /* Load the nth game from the given file */
10984 LoadGameFromFile (char *filename, int n, char *title, int useList)
10989 if (strcmp(filename, "-") == 0) {
10993 f = fopen(filename, "rb");
10995 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10996 DisplayError(buf, errno);
11000 if (fseek(f, 0, 0) == -1) {
11001 /* f is not seekable; probably a pipe */
11004 if (useList && n == 0) {
11005 int error = GameListBuild(f);
11007 DisplayError(_("Cannot build game list"), error);
11008 } else if (!ListEmpty(&gameList) &&
11009 ((ListGame *) gameList.tailPred)->number > 1) {
11010 GameListPopUp(f, title);
11017 return LoadGame(f, n, title, FALSE);
11022 MakeRegisteredMove ()
11024 int fromX, fromY, toX, toY;
11026 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11027 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11030 if (appData.debugMode)
11031 fprintf(debugFP, "Restoring %s for game %d\n",
11032 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11034 thinkOutput[0] = NULLCHAR;
11035 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11036 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11037 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11038 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11039 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11040 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11041 MakeMove(fromX, fromY, toX, toY, promoChar);
11042 ShowMove(fromX, fromY, toX, toY);
11044 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11051 if (WhiteOnMove(currentMove)) {
11052 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11054 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11059 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11066 if (WhiteOnMove(currentMove)) {
11067 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11069 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11074 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11085 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11087 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11091 if (gameNumber > nCmailGames) {
11092 DisplayError(_("No more games in this message"), 0);
11095 if (f == lastLoadGameFP) {
11096 int offset = gameNumber - lastLoadGameNumber;
11098 cmailMsg[0] = NULLCHAR;
11099 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11100 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11101 nCmailMovesRegistered--;
11103 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11104 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11105 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11108 if (! RegisterMove()) return FALSE;
11112 retVal = LoadGame(f, gameNumber, title, useList);
11114 /* Make move registered during previous look at this game, if any */
11115 MakeRegisteredMove();
11117 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11118 commentList[currentMove]
11119 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11120 DisplayComment(currentMove - 1, commentList[currentMove]);
11126 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11128 ReloadGame (int offset)
11130 int gameNumber = lastLoadGameNumber + offset;
11131 if (lastLoadGameFP == NULL) {
11132 DisplayError(_("No game has been loaded yet"), 0);
11135 if (gameNumber <= 0) {
11136 DisplayError(_("Can't back up any further"), 0);
11139 if (cmailMsgLoaded) {
11140 return CmailLoadGame(lastLoadGameFP, gameNumber,
11141 lastLoadGameTitle, lastLoadGameUseList);
11143 return LoadGame(lastLoadGameFP, gameNumber,
11144 lastLoadGameTitle, lastLoadGameUseList);
11148 int keys[EmptySquare+1];
11151 PositionMatches (Board b1, Board b2)
11154 switch(appData.searchMode) {
11155 case 1: return CompareWithRights(b1, b2);
11157 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11158 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11162 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11163 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11164 sum += keys[b1[r][f]] - keys[b2[r][f]];
11168 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11169 sum += keys[b1[r][f]] - keys[b2[r][f]];
11181 int pieceList[256], quickBoard[256];
11182 ChessSquare pieceType[256] = { EmptySquare };
11183 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11184 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11185 int soughtTotal, turn;
11186 Boolean epOK, flipSearch;
11189 unsigned char piece, to;
11192 #define DSIZE (250000)
11194 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11195 Move *moveDatabase = initialSpace;
11196 unsigned int movePtr, dataSize = DSIZE;
11199 MakePieceList (Board board, int *counts)
11201 int r, f, n=Q_PROMO, total=0;
11202 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11203 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11204 int sq = f + (r<<4);
11205 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11206 quickBoard[sq] = ++n;
11208 pieceType[n] = board[r][f];
11209 counts[board[r][f]]++;
11210 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11211 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11215 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11220 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11222 int sq = fromX + (fromY<<4);
11223 int piece = quickBoard[sq];
11224 quickBoard[sq] = 0;
11225 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11226 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11227 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11228 moveDatabase[movePtr++].piece = Q_WCASTL;
11229 quickBoard[sq] = piece;
11230 piece = quickBoard[from]; quickBoard[from] = 0;
11231 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11233 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11234 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11235 moveDatabase[movePtr++].piece = Q_BCASTL;
11236 quickBoard[sq] = piece;
11237 piece = quickBoard[from]; quickBoard[from] = 0;
11238 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11240 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11241 quickBoard[(fromY<<4)+toX] = 0;
11242 moveDatabase[movePtr].piece = Q_EP;
11243 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11244 moveDatabase[movePtr].to = sq;
11246 if(promoPiece != pieceType[piece]) {
11247 moveDatabase[movePtr++].piece = Q_PROMO;
11248 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11250 moveDatabase[movePtr].piece = piece;
11251 quickBoard[sq] = piece;
11256 PackGame (Board board)
11258 Move *newSpace = NULL;
11259 moveDatabase[movePtr].piece = 0; // terminate previous game
11260 if(movePtr > dataSize) {
11261 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11262 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11263 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11266 Move *p = moveDatabase, *q = newSpace;
11267 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11268 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11269 moveDatabase = newSpace;
11270 } else { // calloc failed, we must be out of memory. Too bad...
11271 dataSize = 0; // prevent calloc events for all subsequent games
11272 return 0; // and signal this one isn't cached
11276 MakePieceList(board, counts);
11281 QuickCompare (Board board, int *minCounts, int *maxCounts)
11282 { // compare according to search mode
11284 switch(appData.searchMode)
11286 case 1: // exact position match
11287 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11288 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11289 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11292 case 2: // can have extra material on empty squares
11293 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11294 if(board[r][f] == EmptySquare) continue;
11295 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11298 case 3: // material with exact Pawn structure
11299 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11300 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11301 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11302 } // fall through to material comparison
11303 case 4: // exact material
11304 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11306 case 6: // material range with given imbalance
11307 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11308 // fall through to range comparison
11309 case 5: // material range
11310 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11316 QuickScan (Board board, Move *move)
11317 { // reconstruct game,and compare all positions in it
11318 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11320 int piece = move->piece;
11321 int to = move->to, from = pieceList[piece];
11322 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11323 if(!piece) return -1;
11324 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11325 piece = (++move)->piece;
11326 from = pieceList[piece];
11327 counts[pieceType[piece]]--;
11328 pieceType[piece] = (ChessSquare) move->to;
11329 counts[move->to]++;
11330 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11331 counts[pieceType[quickBoard[to]]]--;
11332 quickBoard[to] = 0; total--;
11335 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11336 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11337 from = pieceList[piece]; // so this must be King
11338 quickBoard[from] = 0;
11339 quickBoard[to] = piece;
11340 pieceList[piece] = to;
11345 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11346 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11347 quickBoard[from] = 0;
11348 quickBoard[to] = piece;
11349 pieceList[piece] = to;
11351 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11352 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11353 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11354 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11356 static int lastCounts[EmptySquare+1];
11358 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11359 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11360 } else stretch = 0;
11361 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11370 flipSearch = FALSE;
11371 CopyBoard(soughtBoard, boards[currentMove]);
11372 soughtTotal = MakePieceList(soughtBoard, maxSought);
11373 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11374 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11375 CopyBoard(reverseBoard, boards[currentMove]);
11376 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11377 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11378 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11379 reverseBoard[r][f] = piece;
11381 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11382 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11383 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11384 || (boards[currentMove][CASTLING][2] == NoRights ||
11385 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11386 && (boards[currentMove][CASTLING][5] == NoRights ||
11387 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11390 CopyBoard(flipBoard, soughtBoard);
11391 CopyBoard(rotateBoard, reverseBoard);
11392 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11393 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11394 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11397 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11398 if(appData.searchMode >= 5) {
11399 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11400 MakePieceList(soughtBoard, minSought);
11401 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11403 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11404 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11407 GameInfo dummyInfo;
11410 GameContainsPosition (FILE *f, ListGame *lg)
11412 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11413 int fromX, fromY, toX, toY;
11415 static int initDone=FALSE;
11417 // weed out games based on numerical tag comparison
11418 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11419 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11420 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11421 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11423 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11426 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11427 else CopyBoard(boards[scratch], initialPosition); // default start position
11430 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11431 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11434 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11435 fseek(f, lg->offset, 0);
11438 yyboardindex = scratch;
11439 quickFlag = plyNr+1;
11444 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11450 if(plyNr) return -1; // after we have seen moves, this is for new game
11453 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11454 case ImpossibleMove:
11455 case WhiteWins: // game ends here with these four
11458 case GameUnfinished:
11462 if(appData.testLegality) return -1;
11463 case WhiteCapturesEnPassant:
11464 case BlackCapturesEnPassant:
11465 case WhitePromotion:
11466 case BlackPromotion:
11467 case WhiteNonPromotion:
11468 case BlackNonPromotion:
11470 case WhiteKingSideCastle:
11471 case WhiteQueenSideCastle:
11472 case BlackKingSideCastle:
11473 case BlackQueenSideCastle:
11474 case WhiteKingSideCastleWild:
11475 case WhiteQueenSideCastleWild:
11476 case BlackKingSideCastleWild:
11477 case BlackQueenSideCastleWild:
11478 case WhiteHSideCastleFR:
11479 case WhiteASideCastleFR:
11480 case BlackHSideCastleFR:
11481 case BlackASideCastleFR:
11482 fromX = currentMoveString[0] - AAA;
11483 fromY = currentMoveString[1] - ONE;
11484 toX = currentMoveString[2] - AAA;
11485 toY = currentMoveString[3] - ONE;
11486 promoChar = currentMoveString[4];
11490 fromX = next == WhiteDrop ?
11491 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11492 (int) CharToPiece(ToLower(currentMoveString[0]));
11494 toX = currentMoveString[2] - AAA;
11495 toY = currentMoveString[3] - ONE;
11499 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11501 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11502 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11503 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11504 if(appData.findMirror) {
11505 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11506 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11511 /* Load the nth game from open file f */
11513 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11517 int gn = gameNumber;
11518 ListGame *lg = NULL;
11519 int numPGNTags = 0;
11521 GameMode oldGameMode;
11522 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11524 if (appData.debugMode)
11525 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11527 if (gameMode == Training )
11528 SetTrainingModeOff();
11530 oldGameMode = gameMode;
11531 if (gameMode != BeginningOfGame) {
11532 Reset(FALSE, TRUE);
11536 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11537 fclose(lastLoadGameFP);
11541 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11544 fseek(f, lg->offset, 0);
11545 GameListHighlight(gameNumber);
11546 pos = lg->position;
11550 DisplayError(_("Game number out of range"), 0);
11555 if (fseek(f, 0, 0) == -1) {
11556 if (f == lastLoadGameFP ?
11557 gameNumber == lastLoadGameNumber + 1 :
11561 DisplayError(_("Can't seek on game file"), 0);
11566 lastLoadGameFP = f;
11567 lastLoadGameNumber = gameNumber;
11568 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11569 lastLoadGameUseList = useList;
11573 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11574 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11575 lg->gameInfo.black);
11577 } else if (*title != NULLCHAR) {
11578 if (gameNumber > 1) {
11579 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11582 DisplayTitle(title);
11586 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11587 gameMode = PlayFromGameFile;
11591 currentMove = forwardMostMove = backwardMostMove = 0;
11592 CopyBoard(boards[0], initialPosition);
11596 * Skip the first gn-1 games in the file.
11597 * Also skip over anything that precedes an identifiable
11598 * start of game marker, to avoid being confused by
11599 * garbage at the start of the file. Currently
11600 * recognized start of game markers are the move number "1",
11601 * the pattern "gnuchess .* game", the pattern
11602 * "^[#;%] [^ ]* game file", and a PGN tag block.
11603 * A game that starts with one of the latter two patterns
11604 * will also have a move number 1, possibly
11605 * following a position diagram.
11606 * 5-4-02: Let's try being more lenient and allowing a game to
11607 * start with an unnumbered move. Does that break anything?
11609 cm = lastLoadGameStart = EndOfFile;
11611 yyboardindex = forwardMostMove;
11612 cm = (ChessMove) Myylex();
11615 if (cmailMsgLoaded) {
11616 nCmailGames = CMAIL_MAX_GAMES - gn;
11619 DisplayError(_("Game not found in file"), 0);
11626 lastLoadGameStart = cm;
11629 case MoveNumberOne:
11630 switch (lastLoadGameStart) {
11635 case MoveNumberOne:
11637 gn--; /* count this game */
11638 lastLoadGameStart = cm;
11647 switch (lastLoadGameStart) {
11650 case MoveNumberOne:
11652 gn--; /* count this game */
11653 lastLoadGameStart = cm;
11656 lastLoadGameStart = cm; /* game counted already */
11664 yyboardindex = forwardMostMove;
11665 cm = (ChessMove) Myylex();
11666 } while (cm == PGNTag || cm == Comment);
11673 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11674 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11675 != CMAIL_OLD_RESULT) {
11677 cmailResult[ CMAIL_MAX_GAMES
11678 - gn - 1] = CMAIL_OLD_RESULT;
11684 /* Only a NormalMove can be at the start of a game
11685 * without a position diagram. */
11686 if (lastLoadGameStart == EndOfFile ) {
11688 lastLoadGameStart = MoveNumberOne;
11697 if (appData.debugMode)
11698 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11700 if (cm == XBoardGame) {
11701 /* Skip any header junk before position diagram and/or move 1 */
11703 yyboardindex = forwardMostMove;
11704 cm = (ChessMove) Myylex();
11706 if (cm == EndOfFile ||
11707 cm == GNUChessGame || cm == XBoardGame) {
11708 /* Empty game; pretend end-of-file and handle later */
11713 if (cm == MoveNumberOne || cm == PositionDiagram ||
11714 cm == PGNTag || cm == Comment)
11717 } else if (cm == GNUChessGame) {
11718 if (gameInfo.event != NULL) {
11719 free(gameInfo.event);
11721 gameInfo.event = StrSave(yy_text);
11724 startedFromSetupPosition = FALSE;
11725 while (cm == PGNTag) {
11726 if (appData.debugMode)
11727 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11728 err = ParsePGNTag(yy_text, &gameInfo);
11729 if (!err) numPGNTags++;
11731 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11732 if(gameInfo.variant != oldVariant) {
11733 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11734 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11735 InitPosition(TRUE);
11736 oldVariant = gameInfo.variant;
11737 if (appData.debugMode)
11738 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11742 if (gameInfo.fen != NULL) {
11743 Board initial_position;
11744 startedFromSetupPosition = TRUE;
11745 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11747 DisplayError(_("Bad FEN position in file"), 0);
11750 CopyBoard(boards[0], initial_position);
11751 if (blackPlaysFirst) {
11752 currentMove = forwardMostMove = backwardMostMove = 1;
11753 CopyBoard(boards[1], initial_position);
11754 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11755 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11756 timeRemaining[0][1] = whiteTimeRemaining;
11757 timeRemaining[1][1] = blackTimeRemaining;
11758 if (commentList[0] != NULL) {
11759 commentList[1] = commentList[0];
11760 commentList[0] = NULL;
11763 currentMove = forwardMostMove = backwardMostMove = 0;
11765 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11767 initialRulePlies = FENrulePlies;
11768 for( i=0; i< nrCastlingRights; i++ )
11769 initialRights[i] = initial_position[CASTLING][i];
11771 yyboardindex = forwardMostMove;
11772 free(gameInfo.fen);
11773 gameInfo.fen = NULL;
11776 yyboardindex = forwardMostMove;
11777 cm = (ChessMove) Myylex();
11779 /* Handle comments interspersed among the tags */
11780 while (cm == Comment) {
11782 if (appData.debugMode)
11783 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11785 AppendComment(currentMove, p, FALSE);
11786 yyboardindex = forwardMostMove;
11787 cm = (ChessMove) Myylex();
11791 /* don't rely on existence of Event tag since if game was
11792 * pasted from clipboard the Event tag may not exist
11794 if (numPGNTags > 0){
11796 if (gameInfo.variant == VariantNormal) {
11797 VariantClass v = StringToVariant(gameInfo.event);
11798 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11799 if(v < VariantShogi) gameInfo.variant = v;
11802 if( appData.autoDisplayTags ) {
11803 tags = PGNTags(&gameInfo);
11804 TagsPopUp(tags, CmailMsg());
11809 /* Make something up, but don't display it now */
11814 if (cm == PositionDiagram) {
11817 Board initial_position;
11819 if (appData.debugMode)
11820 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11822 if (!startedFromSetupPosition) {
11824 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11825 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11836 initial_position[i][j++] = CharToPiece(*p);
11839 while (*p == ' ' || *p == '\t' ||
11840 *p == '\n' || *p == '\r') p++;
11842 if (strncmp(p, "black", strlen("black"))==0)
11843 blackPlaysFirst = TRUE;
11845 blackPlaysFirst = FALSE;
11846 startedFromSetupPosition = TRUE;
11848 CopyBoard(boards[0], initial_position);
11849 if (blackPlaysFirst) {
11850 currentMove = forwardMostMove = backwardMostMove = 1;
11851 CopyBoard(boards[1], initial_position);
11852 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11853 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11854 timeRemaining[0][1] = whiteTimeRemaining;
11855 timeRemaining[1][1] = blackTimeRemaining;
11856 if (commentList[0] != NULL) {
11857 commentList[1] = commentList[0];
11858 commentList[0] = NULL;
11861 currentMove = forwardMostMove = backwardMostMove = 0;
11864 yyboardindex = forwardMostMove;
11865 cm = (ChessMove) Myylex();
11868 if (first.pr == NoProc) {
11869 StartChessProgram(&first);
11871 InitChessProgram(&first, FALSE);
11872 SendToProgram("force\n", &first);
11873 if (startedFromSetupPosition) {
11874 SendBoard(&first, forwardMostMove);
11875 if (appData.debugMode) {
11876 fprintf(debugFP, "Load Game\n");
11878 DisplayBothClocks();
11881 /* [HGM] server: flag to write setup moves in broadcast file as one */
11882 loadFlag = appData.suppressLoadMoves;
11884 while (cm == Comment) {
11886 if (appData.debugMode)
11887 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11889 AppendComment(currentMove, p, FALSE);
11890 yyboardindex = forwardMostMove;
11891 cm = (ChessMove) Myylex();
11894 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11895 cm == WhiteWins || cm == BlackWins ||
11896 cm == GameIsDrawn || cm == GameUnfinished) {
11897 DisplayMessage("", _("No moves in game"));
11898 if (cmailMsgLoaded) {
11899 if (appData.debugMode)
11900 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11904 DrawPosition(FALSE, boards[currentMove]);
11905 DisplayBothClocks();
11906 gameMode = EditGame;
11913 // [HGM] PV info: routine tests if comment empty
11914 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11915 DisplayComment(currentMove - 1, commentList[currentMove]);
11917 if (!matchMode && appData.timeDelay != 0)
11918 DrawPosition(FALSE, boards[currentMove]);
11920 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11921 programStats.ok_to_send = 1;
11924 /* if the first token after the PGN tags is a move
11925 * and not move number 1, retrieve it from the parser
11927 if (cm != MoveNumberOne)
11928 LoadGameOneMove(cm);
11930 /* load the remaining moves from the file */
11931 while (LoadGameOneMove(EndOfFile)) {
11932 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11933 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11936 /* rewind to the start of the game */
11937 currentMove = backwardMostMove;
11939 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11941 if (oldGameMode == AnalyzeFile ||
11942 oldGameMode == AnalyzeMode) {
11943 AnalyzeFileEvent();
11946 if (!matchMode && pos >= 0) {
11947 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11949 if (matchMode || appData.timeDelay == 0) {
11951 } else if (appData.timeDelay > 0) {
11952 AutoPlayGameLoop();
11955 if (appData.debugMode)
11956 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11958 loadFlag = 0; /* [HGM] true game starts */
11962 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11964 ReloadPosition (int offset)
11966 int positionNumber = lastLoadPositionNumber + offset;
11967 if (lastLoadPositionFP == NULL) {
11968 DisplayError(_("No position has been loaded yet"), 0);
11971 if (positionNumber <= 0) {
11972 DisplayError(_("Can't back up any further"), 0);
11975 return LoadPosition(lastLoadPositionFP, positionNumber,
11976 lastLoadPositionTitle);
11979 /* Load the nth position from the given file */
11981 LoadPositionFromFile (char *filename, int n, char *title)
11986 if (strcmp(filename, "-") == 0) {
11987 return LoadPosition(stdin, n, "stdin");
11989 f = fopen(filename, "rb");
11991 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11992 DisplayError(buf, errno);
11995 return LoadPosition(f, n, title);
12000 /* Load the nth position from the given open file, and close it */
12002 LoadPosition (FILE *f, int positionNumber, char *title)
12004 char *p, line[MSG_SIZ];
12005 Board initial_position;
12006 int i, j, fenMode, pn;
12008 if (gameMode == Training )
12009 SetTrainingModeOff();
12011 if (gameMode != BeginningOfGame) {
12012 Reset(FALSE, TRUE);
12014 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12015 fclose(lastLoadPositionFP);
12017 if (positionNumber == 0) positionNumber = 1;
12018 lastLoadPositionFP = f;
12019 lastLoadPositionNumber = positionNumber;
12020 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12021 if (first.pr == NoProc && !appData.noChessProgram) {
12022 StartChessProgram(&first);
12023 InitChessProgram(&first, FALSE);
12025 pn = positionNumber;
12026 if (positionNumber < 0) {
12027 /* Negative position number means to seek to that byte offset */
12028 if (fseek(f, -positionNumber, 0) == -1) {
12029 DisplayError(_("Can't seek on position file"), 0);
12034 if (fseek(f, 0, 0) == -1) {
12035 if (f == lastLoadPositionFP ?
12036 positionNumber == lastLoadPositionNumber + 1 :
12037 positionNumber == 1) {
12040 DisplayError(_("Can't seek on position file"), 0);
12045 /* See if this file is FEN or old-style xboard */
12046 if (fgets(line, MSG_SIZ, f) == NULL) {
12047 DisplayError(_("Position not found in file"), 0);
12050 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12051 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12054 if (fenMode || line[0] == '#') pn--;
12056 /* skip positions before number pn */
12057 if (fgets(line, MSG_SIZ, f) == NULL) {
12059 DisplayError(_("Position not found in file"), 0);
12062 if (fenMode || line[0] == '#') pn--;
12067 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12068 DisplayError(_("Bad FEN position in file"), 0);
12072 (void) fgets(line, MSG_SIZ, f);
12073 (void) fgets(line, MSG_SIZ, f);
12075 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12076 (void) fgets(line, MSG_SIZ, f);
12077 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12080 initial_position[i][j++] = CharToPiece(*p);
12084 blackPlaysFirst = FALSE;
12086 (void) fgets(line, MSG_SIZ, f);
12087 if (strncmp(line, "black", strlen("black"))==0)
12088 blackPlaysFirst = TRUE;
12091 startedFromSetupPosition = TRUE;
12093 CopyBoard(boards[0], initial_position);
12094 if (blackPlaysFirst) {
12095 currentMove = forwardMostMove = backwardMostMove = 1;
12096 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12097 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12098 CopyBoard(boards[1], initial_position);
12099 DisplayMessage("", _("Black to play"));
12101 currentMove = forwardMostMove = backwardMostMove = 0;
12102 DisplayMessage("", _("White to play"));
12104 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12105 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12106 SendToProgram("force\n", &first);
12107 SendBoard(&first, forwardMostMove);
12109 if (appData.debugMode) {
12111 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12112 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12113 fprintf(debugFP, "Load Position\n");
12116 if (positionNumber > 1) {
12117 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12118 DisplayTitle(line);
12120 DisplayTitle(title);
12122 gameMode = EditGame;
12125 timeRemaining[0][1] = whiteTimeRemaining;
12126 timeRemaining[1][1] = blackTimeRemaining;
12127 DrawPosition(FALSE, boards[currentMove]);
12134 CopyPlayerNameIntoFileName (char **dest, char *src)
12136 while (*src != NULLCHAR && *src != ',') {
12141 *(*dest)++ = *src++;
12147 DefaultFileName (char *ext)
12149 static char def[MSG_SIZ];
12152 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12154 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12156 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12158 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12165 /* Save the current game to the given file */
12167 SaveGameToFile (char *filename, int append)
12171 int result, i, t,tot=0;
12173 if (strcmp(filename, "-") == 0) {
12174 return SaveGame(stdout, 0, NULL);
12176 for(i=0; i<10; i++) { // upto 10 tries
12177 f = fopen(filename, append ? "a" : "w");
12178 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12179 if(f || errno != 13) break;
12180 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12184 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12185 DisplayError(buf, errno);
12188 safeStrCpy(buf, lastMsg, MSG_SIZ);
12189 DisplayMessage(_("Waiting for access to save file"), "");
12190 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12191 DisplayMessage(_("Saving game"), "");
12192 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12193 result = SaveGame(f, 0, NULL);
12194 DisplayMessage(buf, "");
12201 SavePart (char *str)
12203 static char buf[MSG_SIZ];
12206 p = strchr(str, ' ');
12207 if (p == NULL) return str;
12208 strncpy(buf, str, p - str);
12209 buf[p - str] = NULLCHAR;
12213 #define PGN_MAX_LINE 75
12215 #define PGN_SIDE_WHITE 0
12216 #define PGN_SIDE_BLACK 1
12219 FindFirstMoveOutOfBook (int side)
12223 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12224 int index = backwardMostMove;
12225 int has_book_hit = 0;
12227 if( (index % 2) != side ) {
12231 while( index < forwardMostMove ) {
12232 /* Check to see if engine is in book */
12233 int depth = pvInfoList[index].depth;
12234 int score = pvInfoList[index].score;
12240 else if( score == 0 && depth == 63 ) {
12241 in_book = 1; /* Zappa */
12243 else if( score == 2 && depth == 99 ) {
12244 in_book = 1; /* Abrok */
12247 has_book_hit += in_book;
12263 GetOutOfBookInfo (char * buf)
12267 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12269 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12270 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12274 if( oob[0] >= 0 || oob[1] >= 0 ) {
12275 for( i=0; i<2; i++ ) {
12279 if( i > 0 && oob[0] >= 0 ) {
12280 strcat( buf, " " );
12283 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12284 sprintf( buf+strlen(buf), "%s%.2f",
12285 pvInfoList[idx].score >= 0 ? "+" : "",
12286 pvInfoList[idx].score / 100.0 );
12292 /* Save game in PGN style and close the file */
12294 SaveGamePGN (FILE *f)
12296 int i, offset, linelen, newblock;
12300 int movelen, numlen, blank;
12301 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12303 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12305 tm = time((time_t *) NULL);
12307 PrintPGNTags(f, &gameInfo);
12309 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12311 if (backwardMostMove > 0 || startedFromSetupPosition) {
12312 char *fen = PositionToFEN(backwardMostMove, NULL);
12313 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12314 fprintf(f, "\n{--------------\n");
12315 PrintPosition(f, backwardMostMove);
12316 fprintf(f, "--------------}\n");
12320 /* [AS] Out of book annotation */
12321 if( appData.saveOutOfBookInfo ) {
12324 GetOutOfBookInfo( buf );
12326 if( buf[0] != '\0' ) {
12327 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12334 i = backwardMostMove;
12338 while (i < forwardMostMove) {
12339 /* Print comments preceding this move */
12340 if (commentList[i] != NULL) {
12341 if (linelen > 0) fprintf(f, "\n");
12342 fprintf(f, "%s", commentList[i]);
12347 /* Format move number */
12349 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12352 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12354 numtext[0] = NULLCHAR;
12356 numlen = strlen(numtext);
12359 /* Print move number */
12360 blank = linelen > 0 && numlen > 0;
12361 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12370 fprintf(f, "%s", numtext);
12374 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12375 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12378 blank = linelen > 0 && movelen > 0;
12379 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12388 fprintf(f, "%s", move_buffer);
12389 linelen += movelen;
12391 /* [AS] Add PV info if present */
12392 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12393 /* [HGM] add time */
12394 char buf[MSG_SIZ]; int seconds;
12396 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12402 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12405 seconds = (seconds + 4)/10; // round to full seconds
12407 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12409 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12412 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12413 pvInfoList[i].score >= 0 ? "+" : "",
12414 pvInfoList[i].score / 100.0,
12415 pvInfoList[i].depth,
12418 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12420 /* Print score/depth */
12421 blank = linelen > 0 && movelen > 0;
12422 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12431 fprintf(f, "%s", move_buffer);
12432 linelen += movelen;
12438 /* Start a new line */
12439 if (linelen > 0) fprintf(f, "\n");
12441 /* Print comments after last move */
12442 if (commentList[i] != NULL) {
12443 fprintf(f, "%s\n", commentList[i]);
12447 if (gameInfo.resultDetails != NULL &&
12448 gameInfo.resultDetails[0] != NULLCHAR) {
12449 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12450 PGNResult(gameInfo.result));
12452 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12456 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12460 /* Save game in old style and close the file */
12462 SaveGameOldStyle (FILE *f)
12467 tm = time((time_t *) NULL);
12469 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12472 if (backwardMostMove > 0 || startedFromSetupPosition) {
12473 fprintf(f, "\n[--------------\n");
12474 PrintPosition(f, backwardMostMove);
12475 fprintf(f, "--------------]\n");
12480 i = backwardMostMove;
12481 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12483 while (i < forwardMostMove) {
12484 if (commentList[i] != NULL) {
12485 fprintf(f, "[%s]\n", commentList[i]);
12488 if ((i % 2) == 1) {
12489 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12492 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12494 if (commentList[i] != NULL) {
12498 if (i >= forwardMostMove) {
12502 fprintf(f, "%s\n", parseList[i]);
12507 if (commentList[i] != NULL) {
12508 fprintf(f, "[%s]\n", commentList[i]);
12511 /* This isn't really the old style, but it's close enough */
12512 if (gameInfo.resultDetails != NULL &&
12513 gameInfo.resultDetails[0] != NULLCHAR) {
12514 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12515 gameInfo.resultDetails);
12517 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12524 /* Save the current game to open file f and close the file */
12526 SaveGame (FILE *f, int dummy, char *dummy2)
12528 if (gameMode == EditPosition) EditPositionDone(TRUE);
12529 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12530 if (appData.oldSaveStyle)
12531 return SaveGameOldStyle(f);
12533 return SaveGamePGN(f);
12536 /* Save the current position to the given file */
12538 SavePositionToFile (char *filename)
12543 if (strcmp(filename, "-") == 0) {
12544 return SavePosition(stdout, 0, NULL);
12546 f = fopen(filename, "a");
12548 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12549 DisplayError(buf, errno);
12552 safeStrCpy(buf, lastMsg, MSG_SIZ);
12553 DisplayMessage(_("Waiting for access to save file"), "");
12554 flock(fileno(f), LOCK_EX); // [HGM] lock
12555 DisplayMessage(_("Saving position"), "");
12556 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12557 SavePosition(f, 0, NULL);
12558 DisplayMessage(buf, "");
12564 /* Save the current position to the given open file and close the file */
12566 SavePosition (FILE *f, int dummy, char *dummy2)
12571 if (gameMode == EditPosition) EditPositionDone(TRUE);
12572 if (appData.oldSaveStyle) {
12573 tm = time((time_t *) NULL);
12575 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12577 fprintf(f, "[--------------\n");
12578 PrintPosition(f, currentMove);
12579 fprintf(f, "--------------]\n");
12581 fen = PositionToFEN(currentMove, NULL);
12582 fprintf(f, "%s\n", fen);
12590 ReloadCmailMsgEvent (int unregister)
12593 static char *inFilename = NULL;
12594 static char *outFilename;
12596 struct stat inbuf, outbuf;
12599 /* Any registered moves are unregistered if unregister is set, */
12600 /* i.e. invoked by the signal handler */
12602 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12603 cmailMoveRegistered[i] = FALSE;
12604 if (cmailCommentList[i] != NULL) {
12605 free(cmailCommentList[i]);
12606 cmailCommentList[i] = NULL;
12609 nCmailMovesRegistered = 0;
12612 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12613 cmailResult[i] = CMAIL_NOT_RESULT;
12617 if (inFilename == NULL) {
12618 /* Because the filenames are static they only get malloced once */
12619 /* and they never get freed */
12620 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12621 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12623 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12624 sprintf(outFilename, "%s.out", appData.cmailGameName);
12627 status = stat(outFilename, &outbuf);
12629 cmailMailedMove = FALSE;
12631 status = stat(inFilename, &inbuf);
12632 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12635 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12636 counts the games, notes how each one terminated, etc.
12638 It would be nice to remove this kludge and instead gather all
12639 the information while building the game list. (And to keep it
12640 in the game list nodes instead of having a bunch of fixed-size
12641 parallel arrays.) Note this will require getting each game's
12642 termination from the PGN tags, as the game list builder does
12643 not process the game moves. --mann
12645 cmailMsgLoaded = TRUE;
12646 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12648 /* Load first game in the file or popup game menu */
12649 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12651 #endif /* !WIN32 */
12659 char string[MSG_SIZ];
12661 if ( cmailMailedMove
12662 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12663 return TRUE; /* Allow free viewing */
12666 /* Unregister move to ensure that we don't leave RegisterMove */
12667 /* with the move registered when the conditions for registering no */
12669 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12670 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12671 nCmailMovesRegistered --;
12673 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12675 free(cmailCommentList[lastLoadGameNumber - 1]);
12676 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12680 if (cmailOldMove == -1) {
12681 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12685 if (currentMove > cmailOldMove + 1) {
12686 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12690 if (currentMove < cmailOldMove) {
12691 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12695 if (forwardMostMove > currentMove) {
12696 /* Silently truncate extra moves */
12700 if ( (currentMove == cmailOldMove + 1)
12701 || ( (currentMove == cmailOldMove)
12702 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12703 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12704 if (gameInfo.result != GameUnfinished) {
12705 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12708 if (commentList[currentMove] != NULL) {
12709 cmailCommentList[lastLoadGameNumber - 1]
12710 = StrSave(commentList[currentMove]);
12712 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12714 if (appData.debugMode)
12715 fprintf(debugFP, "Saving %s for game %d\n",
12716 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12718 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12720 f = fopen(string, "w");
12721 if (appData.oldSaveStyle) {
12722 SaveGameOldStyle(f); /* also closes the file */
12724 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12725 f = fopen(string, "w");
12726 SavePosition(f, 0, NULL); /* also closes the file */
12728 fprintf(f, "{--------------\n");
12729 PrintPosition(f, currentMove);
12730 fprintf(f, "--------------}\n\n");
12732 SaveGame(f, 0, NULL); /* also closes the file*/
12735 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12736 nCmailMovesRegistered ++;
12737 } else if (nCmailGames == 1) {
12738 DisplayError(_("You have not made a move yet"), 0);
12749 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12750 FILE *commandOutput;
12751 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12752 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12758 if (! cmailMsgLoaded) {
12759 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12763 if (nCmailGames == nCmailResults) {
12764 DisplayError(_("No unfinished games"), 0);
12768 #if CMAIL_PROHIBIT_REMAIL
12769 if (cmailMailedMove) {
12770 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);
12771 DisplayError(msg, 0);
12776 if (! (cmailMailedMove || RegisterMove())) return;
12778 if ( cmailMailedMove
12779 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12780 snprintf(string, MSG_SIZ, partCommandString,
12781 appData.debugMode ? " -v" : "", appData.cmailGameName);
12782 commandOutput = popen(string, "r");
12784 if (commandOutput == NULL) {
12785 DisplayError(_("Failed to invoke cmail"), 0);
12787 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12788 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12790 if (nBuffers > 1) {
12791 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12792 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12793 nBytes = MSG_SIZ - 1;
12795 (void) memcpy(msg, buffer, nBytes);
12797 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12799 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12800 cmailMailedMove = TRUE; /* Prevent >1 moves */
12803 for (i = 0; i < nCmailGames; i ++) {
12804 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12809 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12811 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12813 appData.cmailGameName,
12815 LoadGameFromFile(buffer, 1, buffer, FALSE);
12816 cmailMsgLoaded = FALSE;
12820 DisplayInformation(msg);
12821 pclose(commandOutput);
12824 if ((*cmailMsg) != '\0') {
12825 DisplayInformation(cmailMsg);
12830 #endif /* !WIN32 */
12839 int prependComma = 0;
12841 char string[MSG_SIZ]; /* Space for game-list */
12844 if (!cmailMsgLoaded) return "";
12846 if (cmailMailedMove) {
12847 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12849 /* Create a list of games left */
12850 snprintf(string, MSG_SIZ, "[");
12851 for (i = 0; i < nCmailGames; i ++) {
12852 if (! ( cmailMoveRegistered[i]
12853 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12854 if (prependComma) {
12855 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12857 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12861 strcat(string, number);
12864 strcat(string, "]");
12866 if (nCmailMovesRegistered + nCmailResults == 0) {
12867 switch (nCmailGames) {
12869 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12873 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12877 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12882 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12884 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12889 if (nCmailResults == nCmailGames) {
12890 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12892 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12897 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12909 if (gameMode == Training)
12910 SetTrainingModeOff();
12913 cmailMsgLoaded = FALSE;
12914 if (appData.icsActive) {
12915 SendToICS(ics_prefix);
12916 SendToICS("refresh\n");
12921 ExitEvent (int status)
12925 /* Give up on clean exit */
12929 /* Keep trying for clean exit */
12933 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12935 if (telnetISR != NULL) {
12936 RemoveInputSource(telnetISR);
12938 if (icsPR != NoProc) {
12939 DestroyChildProcess(icsPR, TRUE);
12942 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12943 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12945 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12946 /* make sure this other one finishes before killing it! */
12947 if(endingGame) { int count = 0;
12948 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12949 while(endingGame && count++ < 10) DoSleep(1);
12950 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12953 /* Kill off chess programs */
12954 if (first.pr != NoProc) {
12957 DoSleep( appData.delayBeforeQuit );
12958 SendToProgram("quit\n", &first);
12959 DoSleep( appData.delayAfterQuit );
12960 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12962 if (second.pr != NoProc) {
12963 DoSleep( appData.delayBeforeQuit );
12964 SendToProgram("quit\n", &second);
12965 DoSleep( appData.delayAfterQuit );
12966 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12968 if (first.isr != NULL) {
12969 RemoveInputSource(first.isr);
12971 if (second.isr != NULL) {
12972 RemoveInputSource(second.isr);
12975 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12976 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12978 ShutDownFrontEnd();
12985 if (appData.debugMode)
12986 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12990 if (gameMode == MachinePlaysWhite ||
12991 gameMode == MachinePlaysBlack) {
12994 DisplayBothClocks();
12996 if (gameMode == PlayFromGameFile) {
12997 if (appData.timeDelay >= 0)
12998 AutoPlayGameLoop();
12999 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13000 Reset(FALSE, TRUE);
13001 SendToICS(ics_prefix);
13002 SendToICS("refresh\n");
13003 } else if (currentMove < forwardMostMove) {
13004 ForwardInner(forwardMostMove);
13006 pauseExamInvalid = FALSE;
13008 switch (gameMode) {
13012 pauseExamForwardMostMove = forwardMostMove;
13013 pauseExamInvalid = FALSE;
13016 case IcsPlayingWhite:
13017 case IcsPlayingBlack:
13021 case PlayFromGameFile:
13022 (void) StopLoadGameTimer();
13026 case BeginningOfGame:
13027 if (appData.icsActive) return;
13028 /* else fall through */
13029 case MachinePlaysWhite:
13030 case MachinePlaysBlack:
13031 case TwoMachinesPlay:
13032 if (forwardMostMove == 0)
13033 return; /* don't pause if no one has moved */
13034 if ((gameMode == MachinePlaysWhite &&
13035 !WhiteOnMove(forwardMostMove)) ||
13036 (gameMode == MachinePlaysBlack &&
13037 WhiteOnMove(forwardMostMove))) {
13048 EditCommentEvent ()
13050 char title[MSG_SIZ];
13052 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13053 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13055 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13056 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13057 parseList[currentMove - 1]);
13060 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13067 char *tags = PGNTags(&gameInfo);
13069 EditTagsPopUp(tags, NULL);
13074 AnalyzeModeEvent ()
13076 if (appData.noChessProgram || gameMode == AnalyzeMode)
13079 if (gameMode != AnalyzeFile) {
13080 if (!appData.icsEngineAnalyze) {
13082 if (gameMode != EditGame) return;
13084 ResurrectChessProgram();
13085 SendToProgram("analyze\n", &first);
13086 first.analyzing = TRUE;
13087 /*first.maybeThinking = TRUE;*/
13088 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13089 EngineOutputPopUp();
13091 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13096 StartAnalysisClock();
13097 GetTimeMark(&lastNodeCountTime);
13102 AnalyzeFileEvent ()
13104 if (appData.noChessProgram || gameMode == AnalyzeFile)
13107 if (gameMode != AnalyzeMode) {
13109 if (gameMode != EditGame) return;
13110 ResurrectChessProgram();
13111 SendToProgram("analyze\n", &first);
13112 first.analyzing = TRUE;
13113 /*first.maybeThinking = TRUE;*/
13114 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13115 EngineOutputPopUp();
13117 gameMode = AnalyzeFile;
13122 StartAnalysisClock();
13123 GetTimeMark(&lastNodeCountTime);
13125 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13129 MachineWhiteEvent ()
13132 char *bookHit = NULL;
13134 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13138 if (gameMode == PlayFromGameFile ||
13139 gameMode == TwoMachinesPlay ||
13140 gameMode == Training ||
13141 gameMode == AnalyzeMode ||
13142 gameMode == EndOfGame)
13145 if (gameMode == EditPosition)
13146 EditPositionDone(TRUE);
13148 if (!WhiteOnMove(currentMove)) {
13149 DisplayError(_("It is not White's turn"), 0);
13153 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13156 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13157 gameMode == AnalyzeFile)
13160 ResurrectChessProgram(); /* in case it isn't running */
13161 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13162 gameMode = MachinePlaysWhite;
13165 gameMode = MachinePlaysWhite;
13169 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13171 if (first.sendName) {
13172 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13173 SendToProgram(buf, &first);
13175 if (first.sendTime) {
13176 if (first.useColors) {
13177 SendToProgram("black\n", &first); /*gnu kludge*/
13179 SendTimeRemaining(&first, TRUE);
13181 if (first.useColors) {
13182 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13184 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13185 SetMachineThinkingEnables();
13186 first.maybeThinking = TRUE;
13190 if (appData.autoFlipView && !flipView) {
13191 flipView = !flipView;
13192 DrawPosition(FALSE, NULL);
13193 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13196 if(bookHit) { // [HGM] book: simulate book reply
13197 static char bookMove[MSG_SIZ]; // a bit generous?
13199 programStats.nodes = programStats.depth = programStats.time =
13200 programStats.score = programStats.got_only_move = 0;
13201 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13203 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13204 strcat(bookMove, bookHit);
13205 HandleMachineMove(bookMove, &first);
13210 MachineBlackEvent ()
13213 char *bookHit = NULL;
13215 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13219 if (gameMode == PlayFromGameFile ||
13220 gameMode == TwoMachinesPlay ||
13221 gameMode == Training ||
13222 gameMode == AnalyzeMode ||
13223 gameMode == EndOfGame)
13226 if (gameMode == EditPosition)
13227 EditPositionDone(TRUE);
13229 if (WhiteOnMove(currentMove)) {
13230 DisplayError(_("It is not Black's turn"), 0);
13234 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13237 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13238 gameMode == AnalyzeFile)
13241 ResurrectChessProgram(); /* in case it isn't running */
13242 gameMode = MachinePlaysBlack;
13246 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13248 if (first.sendName) {
13249 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13250 SendToProgram(buf, &first);
13252 if (first.sendTime) {
13253 if (first.useColors) {
13254 SendToProgram("white\n", &first); /*gnu kludge*/
13256 SendTimeRemaining(&first, FALSE);
13258 if (first.useColors) {
13259 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13261 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13262 SetMachineThinkingEnables();
13263 first.maybeThinking = TRUE;
13266 if (appData.autoFlipView && flipView) {
13267 flipView = !flipView;
13268 DrawPosition(FALSE, NULL);
13269 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13271 if(bookHit) { // [HGM] book: simulate book reply
13272 static char bookMove[MSG_SIZ]; // a bit generous?
13274 programStats.nodes = programStats.depth = programStats.time =
13275 programStats.score = programStats.got_only_move = 0;
13276 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13278 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13279 strcat(bookMove, bookHit);
13280 HandleMachineMove(bookMove, &first);
13286 DisplayTwoMachinesTitle ()
13289 if (appData.matchGames > 0) {
13290 if(appData.tourneyFile[0]) {
13291 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13292 gameInfo.white, _("vs."), gameInfo.black,
13293 nextGame+1, appData.matchGames+1,
13294 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13296 if (first.twoMachinesColor[0] == 'w') {
13297 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13298 gameInfo.white, _("vs."), gameInfo.black,
13299 first.matchWins, second.matchWins,
13300 matchGame - 1 - (first.matchWins + second.matchWins));
13302 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13303 gameInfo.white, _("vs."), gameInfo.black,
13304 second.matchWins, first.matchWins,
13305 matchGame - 1 - (first.matchWins + second.matchWins));
13308 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13314 SettingsMenuIfReady ()
13316 if (second.lastPing != second.lastPong) {
13317 DisplayMessage("", _("Waiting for second chess program"));
13318 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13322 DisplayMessage("", "");
13323 SettingsPopUp(&second);
13327 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13330 if (cps->pr == NoProc) {
13331 StartChessProgram(cps);
13332 if (cps->protocolVersion == 1) {
13335 /* kludge: allow timeout for initial "feature" command */
13337 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13338 DisplayMessage("", buf);
13339 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13347 TwoMachinesEvent P((void))
13351 ChessProgramState *onmove;
13352 char *bookHit = NULL;
13353 static int stalling = 0;
13357 if (appData.noChessProgram) return;
13359 switch (gameMode) {
13360 case TwoMachinesPlay:
13362 case MachinePlaysWhite:
13363 case MachinePlaysBlack:
13364 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13365 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13369 case BeginningOfGame:
13370 case PlayFromGameFile:
13373 if (gameMode != EditGame) return;
13376 EditPositionDone(TRUE);
13387 if(matchMode && appData.debugMode) { // [HGM] debug split: game is part of a match; we might have to create a debug file just for this game
13388 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
13389 if(strcmp(buf, currentDebugFile)) { // name has changed
13390 FILE *f = fopen(buf, "w");
13391 if(f) { // if opening the new file failed, just keep using the old one
13392 ASSIGN(currentDebugFile, buf);
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);
13423 // we are now committed to starting the game
13425 DisplayMessage("", "");
13426 if (startedFromSetupPosition) {
13427 SendBoard(&second, backwardMostMove);
13428 if (appData.debugMode) {
13429 fprintf(debugFP, "Two Machines\n");
13432 for (i = backwardMostMove; i < forwardMostMove; i++) {
13433 SendMoveToProgram(i, &second);
13436 gameMode = TwoMachinesPlay;
13438 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13440 DisplayTwoMachinesTitle();
13442 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13447 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13448 SendToProgram(first.computerString, &first);
13449 if (first.sendName) {
13450 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13451 SendToProgram(buf, &first);
13453 SendToProgram(second.computerString, &second);
13454 if (second.sendName) {
13455 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13456 SendToProgram(buf, &second);
13460 if (!first.sendTime || !second.sendTime) {
13461 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13462 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13464 if (onmove->sendTime) {
13465 if (onmove->useColors) {
13466 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13468 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13470 if (onmove->useColors) {
13471 SendToProgram(onmove->twoMachinesColor, onmove);
13473 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13474 // SendToProgram("go\n", onmove);
13475 onmove->maybeThinking = TRUE;
13476 SetMachineThinkingEnables();
13480 if(bookHit) { // [HGM] book: simulate book reply
13481 static char bookMove[MSG_SIZ]; // a bit generous?
13483 programStats.nodes = programStats.depth = programStats.time =
13484 programStats.score = programStats.got_only_move = 0;
13485 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13487 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13488 strcat(bookMove, bookHit);
13489 savedMessage = bookMove; // args for deferred call
13490 savedState = onmove;
13491 ScheduleDelayedEvent(DeferredBookMove, 1);
13498 if (gameMode == Training) {
13499 SetTrainingModeOff();
13500 gameMode = PlayFromGameFile;
13501 DisplayMessage("", _("Training mode off"));
13503 gameMode = Training;
13504 animateTraining = appData.animate;
13506 /* make sure we are not already at the end of the game */
13507 if (currentMove < forwardMostMove) {
13508 SetTrainingModeOn();
13509 DisplayMessage("", _("Training mode on"));
13511 gameMode = PlayFromGameFile;
13512 DisplayError(_("Already at end of game"), 0);
13521 if (!appData.icsActive) return;
13522 switch (gameMode) {
13523 case IcsPlayingWhite:
13524 case IcsPlayingBlack:
13527 case BeginningOfGame:
13535 EditPositionDone(TRUE);
13548 gameMode = IcsIdle;
13558 switch (gameMode) {
13560 SetTrainingModeOff();
13562 case MachinePlaysWhite:
13563 case MachinePlaysBlack:
13564 case BeginningOfGame:
13565 SendToProgram("force\n", &first);
13566 SetUserThinkingEnables();
13568 case PlayFromGameFile:
13569 (void) StopLoadGameTimer();
13570 if (gameFileFP != NULL) {
13575 EditPositionDone(TRUE);
13580 SendToProgram("force\n", &first);
13582 case TwoMachinesPlay:
13583 GameEnds(EndOfFile, NULL, GE_PLAYER);
13584 ResurrectChessProgram();
13585 SetUserThinkingEnables();
13588 ResurrectChessProgram();
13590 case IcsPlayingBlack:
13591 case IcsPlayingWhite:
13592 DisplayError(_("Warning: You are still playing a game"), 0);
13595 DisplayError(_("Warning: You are still observing a game"), 0);
13598 DisplayError(_("Warning: You are still examining a game"), 0);
13609 first.offeredDraw = second.offeredDraw = 0;
13611 if (gameMode == PlayFromGameFile) {
13612 whiteTimeRemaining = timeRemaining[0][currentMove];
13613 blackTimeRemaining = timeRemaining[1][currentMove];
13617 if (gameMode == MachinePlaysWhite ||
13618 gameMode == MachinePlaysBlack ||
13619 gameMode == TwoMachinesPlay ||
13620 gameMode == EndOfGame) {
13621 i = forwardMostMove;
13622 while (i > currentMove) {
13623 SendToProgram("undo\n", &first);
13626 if(!adjustedClock) {
13627 whiteTimeRemaining = timeRemaining[0][currentMove];
13628 blackTimeRemaining = timeRemaining[1][currentMove];
13629 DisplayBothClocks();
13631 if (whiteFlag || blackFlag) {
13632 whiteFlag = blackFlag = 0;
13637 gameMode = EditGame;
13644 EditPositionEvent ()
13646 if (gameMode == EditPosition) {
13652 if (gameMode != EditGame) return;
13654 gameMode = EditPosition;
13657 if (currentMove > 0)
13658 CopyBoard(boards[0], boards[currentMove]);
13660 blackPlaysFirst = !WhiteOnMove(currentMove);
13662 currentMove = forwardMostMove = backwardMostMove = 0;
13663 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13670 /* [DM] icsEngineAnalyze - possible call from other functions */
13671 if (appData.icsEngineAnalyze) {
13672 appData.icsEngineAnalyze = FALSE;
13674 DisplayMessage("",_("Close ICS engine analyze..."));
13676 if (first.analysisSupport && first.analyzing) {
13677 SendToProgram("exit\n", &first);
13678 first.analyzing = FALSE;
13680 thinkOutput[0] = NULLCHAR;
13684 EditPositionDone (Boolean fakeRights)
13686 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13688 startedFromSetupPosition = TRUE;
13689 InitChessProgram(&first, FALSE);
13690 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13691 boards[0][EP_STATUS] = EP_NONE;
13692 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13693 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13694 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13695 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13696 } else boards[0][CASTLING][2] = NoRights;
13697 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13698 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13699 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13700 } else boards[0][CASTLING][5] = NoRights;
13702 SendToProgram("force\n", &first);
13703 if (blackPlaysFirst) {
13704 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13705 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13706 currentMove = forwardMostMove = backwardMostMove = 1;
13707 CopyBoard(boards[1], boards[0]);
13709 currentMove = forwardMostMove = backwardMostMove = 0;
13711 SendBoard(&first, forwardMostMove);
13712 if (appData.debugMode) {
13713 fprintf(debugFP, "EditPosDone\n");
13716 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13717 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13718 gameMode = EditGame;
13720 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13721 ClearHighlights(); /* [AS] */
13724 /* Pause for `ms' milliseconds */
13725 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13727 TimeDelay (long ms)
13734 } while (SubtractTimeMarks(&m2, &m1) < ms);
13737 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13739 SendMultiLineToICS (char *buf)
13741 char temp[MSG_SIZ+1], *p;
13748 strncpy(temp, buf, len);
13753 if (*p == '\n' || *p == '\r')
13758 strcat(temp, "\n");
13760 SendToPlayer(temp, strlen(temp));
13764 SetWhiteToPlayEvent ()
13766 if (gameMode == EditPosition) {
13767 blackPlaysFirst = FALSE;
13768 DisplayBothClocks(); /* works because currentMove is 0 */
13769 } else if (gameMode == IcsExamining) {
13770 SendToICS(ics_prefix);
13771 SendToICS("tomove white\n");
13776 SetBlackToPlayEvent ()
13778 if (gameMode == EditPosition) {
13779 blackPlaysFirst = TRUE;
13780 currentMove = 1; /* kludge */
13781 DisplayBothClocks();
13783 } else if (gameMode == IcsExamining) {
13784 SendToICS(ics_prefix);
13785 SendToICS("tomove black\n");
13790 EditPositionMenuEvent (ChessSquare selection, int x, int y)
13793 ChessSquare piece = boards[0][y][x];
13795 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13797 switch (selection) {
13799 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13800 SendToICS(ics_prefix);
13801 SendToICS("bsetup clear\n");
13802 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13803 SendToICS(ics_prefix);
13804 SendToICS("clearboard\n");
13806 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13807 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13808 for (y = 0; y < BOARD_HEIGHT; y++) {
13809 if (gameMode == IcsExamining) {
13810 if (boards[currentMove][y][x] != EmptySquare) {
13811 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13816 boards[0][y][x] = p;
13821 if (gameMode == EditPosition) {
13822 DrawPosition(FALSE, boards[0]);
13827 SetWhiteToPlayEvent();
13831 SetBlackToPlayEvent();
13835 if (gameMode == IcsExamining) {
13836 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13837 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13840 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13841 if(x == BOARD_LEFT-2) {
13842 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13843 boards[0][y][1] = 0;
13845 if(x == BOARD_RGHT+1) {
13846 if(y >= gameInfo.holdingsSize) break;
13847 boards[0][y][BOARD_WIDTH-2] = 0;
13850 boards[0][y][x] = EmptySquare;
13851 DrawPosition(FALSE, boards[0]);
13856 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13857 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13858 selection = (ChessSquare) (PROMOTED piece);
13859 } else if(piece == EmptySquare) selection = WhiteSilver;
13860 else selection = (ChessSquare)((int)piece - 1);
13864 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13865 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13866 selection = (ChessSquare) (DEMOTED piece);
13867 } else if(piece == EmptySquare) selection = BlackSilver;
13868 else selection = (ChessSquare)((int)piece + 1);
13873 if(gameInfo.variant == VariantShatranj ||
13874 gameInfo.variant == VariantXiangqi ||
13875 gameInfo.variant == VariantCourier ||
13876 gameInfo.variant == VariantMakruk )
13877 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13882 if(gameInfo.variant == VariantXiangqi)
13883 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13884 if(gameInfo.variant == VariantKnightmate)
13885 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13888 if (gameMode == IcsExamining) {
13889 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13890 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13891 PieceToChar(selection), AAA + x, ONE + y);
13894 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13896 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13897 n = PieceToNumber(selection - BlackPawn);
13898 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13899 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13900 boards[0][BOARD_HEIGHT-1-n][1]++;
13902 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13903 n = PieceToNumber(selection);
13904 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13905 boards[0][n][BOARD_WIDTH-1] = selection;
13906 boards[0][n][BOARD_WIDTH-2]++;
13909 boards[0][y][x] = selection;
13910 DrawPosition(TRUE, boards[0]);
13918 DropMenuEvent (ChessSquare selection, int x, int y)
13920 ChessMove moveType;
13922 switch (gameMode) {
13923 case IcsPlayingWhite:
13924 case MachinePlaysBlack:
13925 if (!WhiteOnMove(currentMove)) {
13926 DisplayMoveError(_("It is Black's turn"));
13929 moveType = WhiteDrop;
13931 case IcsPlayingBlack:
13932 case MachinePlaysWhite:
13933 if (WhiteOnMove(currentMove)) {
13934 DisplayMoveError(_("It is White's turn"));
13937 moveType = BlackDrop;
13940 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13946 if (moveType == BlackDrop && selection < BlackPawn) {
13947 selection = (ChessSquare) ((int) selection
13948 + (int) BlackPawn - (int) WhitePawn);
13950 if (boards[currentMove][y][x] != EmptySquare) {
13951 DisplayMoveError(_("That square is occupied"));
13955 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13961 /* Accept a pending offer of any kind from opponent */
13963 if (appData.icsActive) {
13964 SendToICS(ics_prefix);
13965 SendToICS("accept\n");
13966 } else if (cmailMsgLoaded) {
13967 if (currentMove == cmailOldMove &&
13968 commentList[cmailOldMove] != NULL &&
13969 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13970 "Black offers a draw" : "White offers a draw")) {
13972 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13973 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13975 DisplayError(_("There is no pending offer on this move"), 0);
13976 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13979 /* Not used for offers from chess program */
13986 /* Decline a pending offer of any kind from opponent */
13988 if (appData.icsActive) {
13989 SendToICS(ics_prefix);
13990 SendToICS("decline\n");
13991 } else if (cmailMsgLoaded) {
13992 if (currentMove == cmailOldMove &&
13993 commentList[cmailOldMove] != NULL &&
13994 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13995 "Black offers a draw" : "White offers a draw")) {
13997 AppendComment(cmailOldMove, "Draw declined", TRUE);
13998 DisplayComment(cmailOldMove - 1, "Draw declined");
14001 DisplayError(_("There is no pending offer on this move"), 0);
14004 /* Not used for offers from chess program */
14011 /* Issue ICS rematch command */
14012 if (appData.icsActive) {
14013 SendToICS(ics_prefix);
14014 SendToICS("rematch\n");
14021 /* Call your opponent's flag (claim a win on time) */
14022 if (appData.icsActive) {
14023 SendToICS(ics_prefix);
14024 SendToICS("flag\n");
14026 switch (gameMode) {
14029 case MachinePlaysWhite:
14032 GameEnds(GameIsDrawn, "Both players ran out of time",
14035 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14037 DisplayError(_("Your opponent is not out of time"), 0);
14040 case MachinePlaysBlack:
14043 GameEnds(GameIsDrawn, "Both players ran out of time",
14046 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14048 DisplayError(_("Your opponent is not out of time"), 0);
14056 ClockClick (int which)
14057 { // [HGM] code moved to back-end from winboard.c
14058 if(which) { // black clock
14059 if (gameMode == EditPosition || gameMode == IcsExamining) {
14060 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14061 SetBlackToPlayEvent();
14062 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14063 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14064 } else if (shiftKey) {
14065 AdjustClock(which, -1);
14066 } else if (gameMode == IcsPlayingWhite ||
14067 gameMode == MachinePlaysBlack) {
14070 } else { // white clock
14071 if (gameMode == EditPosition || gameMode == IcsExamining) {
14072 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14073 SetWhiteToPlayEvent();
14074 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14075 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14076 } else if (shiftKey) {
14077 AdjustClock(which, -1);
14078 } else if (gameMode == IcsPlayingBlack ||
14079 gameMode == MachinePlaysWhite) {
14088 /* Offer draw or accept pending draw offer from opponent */
14090 if (appData.icsActive) {
14091 /* Note: tournament rules require draw offers to be
14092 made after you make your move but before you punch
14093 your clock. Currently ICS doesn't let you do that;
14094 instead, you immediately punch your clock after making
14095 a move, but you can offer a draw at any time. */
14097 SendToICS(ics_prefix);
14098 SendToICS("draw\n");
14099 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14100 } else if (cmailMsgLoaded) {
14101 if (currentMove == cmailOldMove &&
14102 commentList[cmailOldMove] != NULL &&
14103 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14104 "Black offers a draw" : "White offers a draw")) {
14105 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14106 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14107 } else if (currentMove == cmailOldMove + 1) {
14108 char *offer = WhiteOnMove(cmailOldMove) ?
14109 "White offers a draw" : "Black offers a draw";
14110 AppendComment(currentMove, offer, TRUE);
14111 DisplayComment(currentMove - 1, offer);
14112 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14114 DisplayError(_("You must make your move before offering a draw"), 0);
14115 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14117 } else if (first.offeredDraw) {
14118 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14120 if (first.sendDrawOffers) {
14121 SendToProgram("draw\n", &first);
14122 userOfferedDraw = TRUE;
14130 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14132 if (appData.icsActive) {
14133 SendToICS(ics_prefix);
14134 SendToICS("adjourn\n");
14136 /* Currently GNU Chess doesn't offer or accept Adjourns */
14144 /* Offer Abort or accept pending Abort offer from opponent */
14146 if (appData.icsActive) {
14147 SendToICS(ics_prefix);
14148 SendToICS("abort\n");
14150 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14157 /* Resign. You can do this even if it's not your turn. */
14159 if (appData.icsActive) {
14160 SendToICS(ics_prefix);
14161 SendToICS("resign\n");
14163 switch (gameMode) {
14164 case MachinePlaysWhite:
14165 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14167 case MachinePlaysBlack:
14168 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14171 if (cmailMsgLoaded) {
14173 if (WhiteOnMove(cmailOldMove)) {
14174 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14176 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14178 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14189 StopObservingEvent ()
14191 /* Stop observing current games */
14192 SendToICS(ics_prefix);
14193 SendToICS("unobserve\n");
14197 StopExaminingEvent ()
14199 /* Stop observing current game */
14200 SendToICS(ics_prefix);
14201 SendToICS("unexamine\n");
14205 ForwardInner (int target)
14207 int limit; int oldSeekGraphUp = seekGraphUp;
14209 if (appData.debugMode)
14210 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14211 target, currentMove, forwardMostMove);
14213 if (gameMode == EditPosition)
14216 seekGraphUp = FALSE;
14217 MarkTargetSquares(1);
14219 if (gameMode == PlayFromGameFile && !pausing)
14222 if (gameMode == IcsExamining && pausing)
14223 limit = pauseExamForwardMostMove;
14225 limit = forwardMostMove;
14227 if (target > limit) target = limit;
14229 if (target > 0 && moveList[target - 1][0]) {
14230 int fromX, fromY, toX, toY;
14231 toX = moveList[target - 1][2] - AAA;
14232 toY = moveList[target - 1][3] - ONE;
14233 if (moveList[target - 1][1] == '@') {
14234 if (appData.highlightLastMove) {
14235 SetHighlights(-1, -1, toX, toY);
14238 fromX = moveList[target - 1][0] - AAA;
14239 fromY = moveList[target - 1][1] - ONE;
14240 if (target == currentMove + 1) {
14241 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14243 if (appData.highlightLastMove) {
14244 SetHighlights(fromX, fromY, toX, toY);
14248 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14249 gameMode == Training || gameMode == PlayFromGameFile ||
14250 gameMode == AnalyzeFile) {
14251 while (currentMove < target) {
14252 SendMoveToProgram(currentMove++, &first);
14255 currentMove = target;
14258 if (gameMode == EditGame || gameMode == EndOfGame) {
14259 whiteTimeRemaining = timeRemaining[0][currentMove];
14260 blackTimeRemaining = timeRemaining[1][currentMove];
14262 DisplayBothClocks();
14263 DisplayMove(currentMove - 1);
14264 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14265 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14266 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14267 DisplayComment(currentMove - 1, commentList[currentMove]);
14275 if (gameMode == IcsExamining && !pausing) {
14276 SendToICS(ics_prefix);
14277 SendToICS("forward\n");
14279 ForwardInner(currentMove + 1);
14286 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14287 /* to optimze, we temporarily turn off analysis mode while we feed
14288 * the remaining moves to the engine. Otherwise we get analysis output
14291 if (first.analysisSupport) {
14292 SendToProgram("exit\nforce\n", &first);
14293 first.analyzing = FALSE;
14297 if (gameMode == IcsExamining && !pausing) {
14298 SendToICS(ics_prefix);
14299 SendToICS("forward 999999\n");
14301 ForwardInner(forwardMostMove);
14304 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14305 /* we have fed all the moves, so reactivate analysis mode */
14306 SendToProgram("analyze\n", &first);
14307 first.analyzing = TRUE;
14308 /*first.maybeThinking = TRUE;*/
14309 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14314 BackwardInner (int target)
14316 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14318 if (appData.debugMode)
14319 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14320 target, currentMove, forwardMostMove);
14322 if (gameMode == EditPosition) return;
14323 seekGraphUp = FALSE;
14324 MarkTargetSquares(1);
14325 if (currentMove <= backwardMostMove) {
14327 DrawPosition(full_redraw, boards[currentMove]);
14330 if (gameMode == PlayFromGameFile && !pausing)
14333 if (moveList[target][0]) {
14334 int fromX, fromY, toX, toY;
14335 toX = moveList[target][2] - AAA;
14336 toY = moveList[target][3] - ONE;
14337 if (moveList[target][1] == '@') {
14338 if (appData.highlightLastMove) {
14339 SetHighlights(-1, -1, toX, toY);
14342 fromX = moveList[target][0] - AAA;
14343 fromY = moveList[target][1] - ONE;
14344 if (target == currentMove - 1) {
14345 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14347 if (appData.highlightLastMove) {
14348 SetHighlights(fromX, fromY, toX, toY);
14352 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14353 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14354 while (currentMove > target) {
14355 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14356 // null move cannot be undone. Reload program with move history before it.
14358 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14359 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14361 SendBoard(&first, i);
14362 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14365 SendToProgram("undo\n", &first);
14369 currentMove = target;
14372 if (gameMode == EditGame || gameMode == EndOfGame) {
14373 whiteTimeRemaining = timeRemaining[0][currentMove];
14374 blackTimeRemaining = timeRemaining[1][currentMove];
14376 DisplayBothClocks();
14377 DisplayMove(currentMove - 1);
14378 DrawPosition(full_redraw, boards[currentMove]);
14379 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14380 // [HGM] PV info: routine tests if comment empty
14381 DisplayComment(currentMove - 1, commentList[currentMove]);
14387 if (gameMode == IcsExamining && !pausing) {
14388 SendToICS(ics_prefix);
14389 SendToICS("backward\n");
14391 BackwardInner(currentMove - 1);
14398 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14399 /* to optimize, we temporarily turn off analysis mode while we undo
14400 * all the moves. Otherwise we get analysis output after each undo.
14402 if (first.analysisSupport) {
14403 SendToProgram("exit\nforce\n", &first);
14404 first.analyzing = FALSE;
14408 if (gameMode == IcsExamining && !pausing) {
14409 SendToICS(ics_prefix);
14410 SendToICS("backward 999999\n");
14412 BackwardInner(backwardMostMove);
14415 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14416 /* we have fed all the moves, so reactivate analysis mode */
14417 SendToProgram("analyze\n", &first);
14418 first.analyzing = TRUE;
14419 /*first.maybeThinking = TRUE;*/
14420 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14427 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14428 if (to >= forwardMostMove) to = forwardMostMove;
14429 if (to <= backwardMostMove) to = backwardMostMove;
14430 if (to < currentMove) {
14438 RevertEvent (Boolean annotate)
14440 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14443 if (gameMode != IcsExamining) {
14444 DisplayError(_("You are not examining a game"), 0);
14448 DisplayError(_("You can't revert while pausing"), 0);
14451 SendToICS(ics_prefix);
14452 SendToICS("revert\n");
14456 RetractMoveEvent ()
14458 switch (gameMode) {
14459 case MachinePlaysWhite:
14460 case MachinePlaysBlack:
14461 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14462 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14465 if (forwardMostMove < 2) return;
14466 currentMove = forwardMostMove = forwardMostMove - 2;
14467 whiteTimeRemaining = timeRemaining[0][currentMove];
14468 blackTimeRemaining = timeRemaining[1][currentMove];
14469 DisplayBothClocks();
14470 DisplayMove(currentMove - 1);
14471 ClearHighlights();/*!! could figure this out*/
14472 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14473 SendToProgram("remove\n", &first);
14474 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14477 case BeginningOfGame:
14481 case IcsPlayingWhite:
14482 case IcsPlayingBlack:
14483 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14484 SendToICS(ics_prefix);
14485 SendToICS("takeback 2\n");
14487 SendToICS(ics_prefix);
14488 SendToICS("takeback 1\n");
14497 ChessProgramState *cps;
14499 switch (gameMode) {
14500 case MachinePlaysWhite:
14501 if (!WhiteOnMove(forwardMostMove)) {
14502 DisplayError(_("It is your turn"), 0);
14507 case MachinePlaysBlack:
14508 if (WhiteOnMove(forwardMostMove)) {
14509 DisplayError(_("It is your turn"), 0);
14514 case TwoMachinesPlay:
14515 if (WhiteOnMove(forwardMostMove) ==
14516 (first.twoMachinesColor[0] == 'w')) {
14522 case BeginningOfGame:
14526 SendToProgram("?\n", cps);
14530 TruncateGameEvent ()
14533 if (gameMode != EditGame) return;
14540 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14541 if (forwardMostMove > currentMove) {
14542 if (gameInfo.resultDetails != NULL) {
14543 free(gameInfo.resultDetails);
14544 gameInfo.resultDetails = NULL;
14545 gameInfo.result = GameUnfinished;
14547 forwardMostMove = currentMove;
14548 HistorySet(parseList, backwardMostMove, forwardMostMove,
14556 if (appData.noChessProgram) return;
14557 switch (gameMode) {
14558 case MachinePlaysWhite:
14559 if (WhiteOnMove(forwardMostMove)) {
14560 DisplayError(_("Wait until your turn"), 0);
14564 case BeginningOfGame:
14565 case MachinePlaysBlack:
14566 if (!WhiteOnMove(forwardMostMove)) {
14567 DisplayError(_("Wait until your turn"), 0);
14572 DisplayError(_("No hint available"), 0);
14575 SendToProgram("hint\n", &first);
14576 hintRequested = TRUE;
14582 if (appData.noChessProgram) return;
14583 switch (gameMode) {
14584 case MachinePlaysWhite:
14585 if (WhiteOnMove(forwardMostMove)) {
14586 DisplayError(_("Wait until your turn"), 0);
14590 case BeginningOfGame:
14591 case MachinePlaysBlack:
14592 if (!WhiteOnMove(forwardMostMove)) {
14593 DisplayError(_("Wait until your turn"), 0);
14598 EditPositionDone(TRUE);
14600 case TwoMachinesPlay:
14605 SendToProgram("bk\n", &first);
14606 bookOutput[0] = NULLCHAR;
14607 bookRequested = TRUE;
14613 char *tags = PGNTags(&gameInfo);
14614 TagsPopUp(tags, CmailMsg());
14618 /* end button procedures */
14621 PrintPosition (FILE *fp, int move)
14625 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14626 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14627 char c = PieceToChar(boards[move][i][j]);
14628 fputc(c == 'x' ? '.' : c, fp);
14629 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14632 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14633 fprintf(fp, "white to play\n");
14635 fprintf(fp, "black to play\n");
14639 PrintOpponents (FILE *fp)
14641 if (gameInfo.white != NULL) {
14642 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14648 /* Find last component of program's own name, using some heuristics */
14650 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14653 int local = (strcmp(host, "localhost") == 0);
14654 while (!local && (p = strchr(prog, ';')) != NULL) {
14656 while (*p == ' ') p++;
14659 if (*prog == '"' || *prog == '\'') {
14660 q = strchr(prog + 1, *prog);
14662 q = strchr(prog, ' ');
14664 if (q == NULL) q = prog + strlen(prog);
14666 while (p >= prog && *p != '/' && *p != '\\') p--;
14668 if(p == prog && *p == '"') p++;
14670 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14671 memcpy(buf, p, q - p);
14672 buf[q - p] = NULLCHAR;
14680 TimeControlTagValue ()
14683 if (!appData.clockMode) {
14684 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14685 } else if (movesPerSession > 0) {
14686 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14687 } else if (timeIncrement == 0) {
14688 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14690 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14692 return StrSave(buf);
14698 /* This routine is used only for certain modes */
14699 VariantClass v = gameInfo.variant;
14700 ChessMove r = GameUnfinished;
14703 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14704 r = gameInfo.result;
14705 p = gameInfo.resultDetails;
14706 gameInfo.resultDetails = NULL;
14708 ClearGameInfo(&gameInfo);
14709 gameInfo.variant = v;
14711 switch (gameMode) {
14712 case MachinePlaysWhite:
14713 gameInfo.event = StrSave( appData.pgnEventHeader );
14714 gameInfo.site = StrSave(HostName());
14715 gameInfo.date = PGNDate();
14716 gameInfo.round = StrSave("-");
14717 gameInfo.white = StrSave(first.tidy);
14718 gameInfo.black = StrSave(UserName());
14719 gameInfo.timeControl = TimeControlTagValue();
14722 case MachinePlaysBlack:
14723 gameInfo.event = StrSave( appData.pgnEventHeader );
14724 gameInfo.site = StrSave(HostName());
14725 gameInfo.date = PGNDate();
14726 gameInfo.round = StrSave("-");
14727 gameInfo.white = StrSave(UserName());
14728 gameInfo.black = StrSave(first.tidy);
14729 gameInfo.timeControl = TimeControlTagValue();
14732 case TwoMachinesPlay:
14733 gameInfo.event = StrSave( appData.pgnEventHeader );
14734 gameInfo.site = StrSave(HostName());
14735 gameInfo.date = PGNDate();
14738 snprintf(buf, MSG_SIZ, "%d", roundNr);
14739 gameInfo.round = StrSave(buf);
14741 gameInfo.round = StrSave("-");
14743 if (first.twoMachinesColor[0] == 'w') {
14744 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14745 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14747 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14748 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14750 gameInfo.timeControl = TimeControlTagValue();
14754 gameInfo.event = StrSave("Edited game");
14755 gameInfo.site = StrSave(HostName());
14756 gameInfo.date = PGNDate();
14757 gameInfo.round = StrSave("-");
14758 gameInfo.white = StrSave("-");
14759 gameInfo.black = StrSave("-");
14760 gameInfo.result = r;
14761 gameInfo.resultDetails = p;
14765 gameInfo.event = StrSave("Edited position");
14766 gameInfo.site = StrSave(HostName());
14767 gameInfo.date = PGNDate();
14768 gameInfo.round = StrSave("-");
14769 gameInfo.white = StrSave("-");
14770 gameInfo.black = StrSave("-");
14773 case IcsPlayingWhite:
14774 case IcsPlayingBlack:
14779 case PlayFromGameFile:
14780 gameInfo.event = StrSave("Game from non-PGN file");
14781 gameInfo.site = StrSave(HostName());
14782 gameInfo.date = PGNDate();
14783 gameInfo.round = StrSave("-");
14784 gameInfo.white = StrSave("?");
14785 gameInfo.black = StrSave("?");
14794 ReplaceComment (int index, char *text)
14800 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14801 pvInfoList[index-1].depth == len &&
14802 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14803 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14804 while (*text == '\n') text++;
14805 len = strlen(text);
14806 while (len > 0 && text[len - 1] == '\n') len--;
14808 if (commentList[index] != NULL)
14809 free(commentList[index]);
14812 commentList[index] = NULL;
14815 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14816 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14817 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14818 commentList[index] = (char *) malloc(len + 2);
14819 strncpy(commentList[index], text, len);
14820 commentList[index][len] = '\n';
14821 commentList[index][len + 1] = NULLCHAR;
14823 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14825 commentList[index] = (char *) malloc(len + 7);
14826 safeStrCpy(commentList[index], "{\n", 3);
14827 safeStrCpy(commentList[index]+2, text, len+1);
14828 commentList[index][len+2] = NULLCHAR;
14829 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14830 strcat(commentList[index], "\n}\n");
14835 CrushCRs (char *text)
14843 if (ch == '\r') continue;
14845 } while (ch != '\0');
14849 AppendComment (int index, char *text, Boolean addBraces)
14850 /* addBraces tells if we should add {} */
14855 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14856 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14859 while (*text == '\n') text++;
14860 len = strlen(text);
14861 while (len > 0 && text[len - 1] == '\n') len--;
14862 text[len] = NULLCHAR;
14864 if (len == 0) return;
14866 if (commentList[index] != NULL) {
14867 Boolean addClosingBrace = addBraces;
14868 old = commentList[index];
14869 oldlen = strlen(old);
14870 while(commentList[index][oldlen-1] == '\n')
14871 commentList[index][--oldlen] = NULLCHAR;
14872 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14873 safeStrCpy(commentList[index], old, oldlen + len + 6);
14875 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14876 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14877 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14878 while (*text == '\n') { text++; len--; }
14879 commentList[index][--oldlen] = NULLCHAR;
14881 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14882 else strcat(commentList[index], "\n");
14883 strcat(commentList[index], text);
14884 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14885 else strcat(commentList[index], "\n");
14887 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14889 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14890 else commentList[index][0] = NULLCHAR;
14891 strcat(commentList[index], text);
14892 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14893 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14898 FindStr (char * text, char * sub_text)
14900 char * result = strstr( text, sub_text );
14902 if( result != NULL ) {
14903 result += strlen( sub_text );
14909 /* [AS] Try to extract PV info from PGN comment */
14910 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14912 GetInfoFromComment (int index, char * text)
14914 char * sep = text, *p;
14916 if( text != NULL && index > 0 ) {
14919 int time = -1, sec = 0, deci;
14920 char * s_eval = FindStr( text, "[%eval " );
14921 char * s_emt = FindStr( text, "[%emt " );
14923 if( s_eval != NULL || s_emt != NULL ) {
14927 if( s_eval != NULL ) {
14928 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14932 if( delim != ']' ) {
14937 if( s_emt != NULL ) {
14942 /* We expect something like: [+|-]nnn.nn/dd */
14945 if(*text != '{') return text; // [HGM] braces: must be normal comment
14947 sep = strchr( text, '/' );
14948 if( sep == NULL || sep < (text+4) ) {
14953 if(p[1] == '(') { // comment starts with PV
14954 p = strchr(p, ')'); // locate end of PV
14955 if(p == NULL || sep < p+5) return text;
14956 // at this point we have something like "{(.*) +0.23/6 ..."
14957 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14958 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14959 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14961 time = -1; sec = -1; deci = -1;
14962 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14963 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14964 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14965 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14969 if( score_lo < 0 || score_lo >= 100 ) {
14973 if(sec >= 0) time = 600*time + 10*sec; else
14974 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14976 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14978 /* [HGM] PV time: now locate end of PV info */
14979 while( *++sep >= '0' && *sep <= '9'); // strip depth
14981 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14983 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14985 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14986 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
14997 pvInfoList[index-1].depth = depth;
14998 pvInfoList[index-1].score = score;
14999 pvInfoList[index-1].time = 10*time; // centi-sec
15000 if(*sep == '}') *sep = 0; else *--sep = '{';
15001 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15007 SendToProgram (char *message, ChessProgramState *cps)
15009 int count, outCount, error;
15012 if (cps->pr == NoProc) return;
15015 if (appData.debugMode) {
15018 fprintf(debugFP, "%ld >%-6s: %s",
15019 SubtractTimeMarks(&now, &programStartTime),
15020 cps->which, message);
15023 count = strlen(message);
15024 outCount = OutputToProcess(cps->pr, message, count, &error);
15025 if (outCount < count && !exiting
15026 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15027 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15028 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15029 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15030 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15031 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15032 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15033 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15035 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15036 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15037 gameInfo.result = res;
15039 gameInfo.resultDetails = StrSave(buf);
15041 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15042 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15047 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15051 ChessProgramState *cps = (ChessProgramState *)closure;
15053 if (isr != cps->isr) return; /* Killed intentionally */
15056 RemoveInputSource(cps->isr);
15057 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15058 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15059 _(cps->which), cps->program);
15060 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15061 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15062 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15063 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15064 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15066 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15067 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15068 gameInfo.result = res;
15070 gameInfo.resultDetails = StrSave(buf);
15072 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15073 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15075 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15076 _(cps->which), cps->program);
15077 RemoveInputSource(cps->isr);
15079 /* [AS] Program is misbehaving badly... kill it */
15080 if( count == -2 ) {
15081 DestroyChildProcess( cps->pr, 9 );
15085 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15090 if ((end_str = strchr(message, '\r')) != NULL)
15091 *end_str = NULLCHAR;
15092 if ((end_str = strchr(message, '\n')) != NULL)
15093 *end_str = NULLCHAR;
15095 if (appData.debugMode) {
15096 TimeMark now; int print = 1;
15097 char *quote = ""; char c; int i;
15099 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15100 char start = message[0];
15101 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15102 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15103 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15104 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15105 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15106 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15107 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15108 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15109 sscanf(message, "hint: %c", &c)!=1 &&
15110 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15111 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15112 print = (appData.engineComments >= 2);
15114 message[0] = start; // restore original message
15118 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15119 SubtractTimeMarks(&now, &programStartTime), cps->which,
15125 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15126 if (appData.icsEngineAnalyze) {
15127 if (strstr(message, "whisper") != NULL ||
15128 strstr(message, "kibitz") != NULL ||
15129 strstr(message, "tellics") != NULL) return;
15132 HandleMachineMove(message, cps);
15137 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15142 if( timeControl_2 > 0 ) {
15143 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15144 tc = timeControl_2;
15147 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15148 inc /= cps->timeOdds;
15149 st /= cps->timeOdds;
15151 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15154 /* Set exact time per move, normally using st command */
15155 if (cps->stKludge) {
15156 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15158 if (seconds == 0) {
15159 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15161 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15164 snprintf(buf, MSG_SIZ, "st %d\n", st);
15167 /* Set conventional or incremental time control, using level command */
15168 if (seconds == 0) {
15169 /* Note old gnuchess bug -- minutes:seconds used to not work.
15170 Fixed in later versions, but still avoid :seconds
15171 when seconds is 0. */
15172 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15174 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15175 seconds, inc/1000.);
15178 SendToProgram(buf, cps);
15180 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15181 /* Orthogonally, limit search to given depth */
15183 if (cps->sdKludge) {
15184 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15186 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15188 SendToProgram(buf, cps);
15191 if(cps->nps >= 0) { /* [HGM] nps */
15192 if(cps->supportsNPS == FALSE)
15193 cps->nps = -1; // don't use if engine explicitly says not supported!
15195 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15196 SendToProgram(buf, cps);
15201 ChessProgramState *
15203 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15205 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15206 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15212 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15214 char message[MSG_SIZ];
15217 /* Note: this routine must be called when the clocks are stopped
15218 or when they have *just* been set or switched; otherwise
15219 it will be off by the time since the current tick started.
15221 if (machineWhite) {
15222 time = whiteTimeRemaining / 10;
15223 otime = blackTimeRemaining / 10;
15225 time = blackTimeRemaining / 10;
15226 otime = whiteTimeRemaining / 10;
15228 /* [HGM] translate opponent's time by time-odds factor */
15229 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15231 if (time <= 0) time = 1;
15232 if (otime <= 0) otime = 1;
15234 snprintf(message, MSG_SIZ, "time %ld\n", time);
15235 SendToProgram(message, cps);
15237 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15238 SendToProgram(message, cps);
15242 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15245 int len = strlen(name);
15248 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15250 sscanf(*p, "%d", &val);
15252 while (**p && **p != ' ')
15254 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15255 SendToProgram(buf, cps);
15262 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15265 int len = strlen(name);
15266 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15268 sscanf(*p, "%d", loc);
15269 while (**p && **p != ' ') (*p)++;
15270 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15271 SendToProgram(buf, cps);
15278 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15281 int len = strlen(name);
15282 if (strncmp((*p), name, len) == 0
15283 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15285 sscanf(*p, "%[^\"]", loc);
15286 while (**p && **p != '\"') (*p)++;
15287 if (**p == '\"') (*p)++;
15288 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15289 SendToProgram(buf, cps);
15296 ParseOption (Option *opt, ChessProgramState *cps)
15297 // [HGM] options: process the string that defines an engine option, and determine
15298 // name, type, default value, and allowed value range
15300 char *p, *q, buf[MSG_SIZ];
15301 int n, min = (-1)<<31, max = 1<<31, def;
15303 if(p = strstr(opt->name, " -spin ")) {
15304 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15305 if(max < min) max = min; // enforce consistency
15306 if(def < min) def = min;
15307 if(def > max) def = max;
15312 } else if((p = strstr(opt->name, " -slider "))) {
15313 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15314 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15315 if(max < min) max = min; // enforce consistency
15316 if(def < min) def = min;
15317 if(def > max) def = max;
15321 opt->type = Spin; // Slider;
15322 } else if((p = strstr(opt->name, " -string "))) {
15323 opt->textValue = p+9;
15324 opt->type = TextBox;
15325 } else if((p = strstr(opt->name, " -file "))) {
15326 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15327 opt->textValue = p+7;
15328 opt->type = FileName; // FileName;
15329 } else if((p = strstr(opt->name, " -path "))) {
15330 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15331 opt->textValue = p+7;
15332 opt->type = PathName; // PathName;
15333 } else if(p = strstr(opt->name, " -check ")) {
15334 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15335 opt->value = (def != 0);
15336 opt->type = CheckBox;
15337 } else if(p = strstr(opt->name, " -combo ")) {
15338 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15339 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15340 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15341 opt->value = n = 0;
15342 while(q = StrStr(q, " /// ")) {
15343 n++; *q = 0; // count choices, and null-terminate each of them
15345 if(*q == '*') { // remember default, which is marked with * prefix
15349 cps->comboList[cps->comboCnt++] = q;
15351 cps->comboList[cps->comboCnt++] = NULL;
15353 opt->type = ComboBox;
15354 } else if(p = strstr(opt->name, " -button")) {
15355 opt->type = Button;
15356 } else if(p = strstr(opt->name, " -save")) {
15357 opt->type = SaveButton;
15358 } else return FALSE;
15359 *p = 0; // terminate option name
15360 // now look if the command-line options define a setting for this engine option.
15361 if(cps->optionSettings && cps->optionSettings[0])
15362 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15363 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15364 snprintf(buf, MSG_SIZ, "option %s", p);
15365 if(p = strstr(buf, ",")) *p = 0;
15366 if(q = strchr(buf, '=')) switch(opt->type) {
15368 for(n=0; n<opt->max; n++)
15369 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15372 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15376 opt->value = atoi(q+1);
15381 SendToProgram(buf, cps);
15387 FeatureDone (ChessProgramState *cps, int val)
15389 DelayedEventCallback cb = GetDelayedEvent();
15390 if ((cb == InitBackEnd3 && cps == &first) ||
15391 (cb == SettingsMenuIfReady && cps == &second) ||
15392 (cb == LoadEngine) ||
15393 (cb == TwoMachinesEventIfReady)) {
15394 CancelDelayedEvent();
15395 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15397 cps->initDone = val;
15400 /* Parse feature command from engine */
15402 ParseFeatures (char *args, ChessProgramState *cps)
15410 while (*p == ' ') p++;
15411 if (*p == NULLCHAR) return;
15413 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15414 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15415 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15416 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15417 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15418 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15419 if (BoolFeature(&p, "reuse", &val, cps)) {
15420 /* Engine can disable reuse, but can't enable it if user said no */
15421 if (!val) cps->reuse = FALSE;
15424 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15425 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15426 if (gameMode == TwoMachinesPlay) {
15427 DisplayTwoMachinesTitle();
15433 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15434 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15435 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15436 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15437 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15438 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15439 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15440 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15441 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15442 if (IntFeature(&p, "done", &val, cps)) {
15443 FeatureDone(cps, val);
15446 /* Added by Tord: */
15447 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15448 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15449 /* End of additions by Tord */
15451 /* [HGM] added features: */
15452 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15453 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15454 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15455 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15456 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15457 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15458 if (StringFeature(&p, "option", cps->option[cps->nrOptions].name, cps)) {
15459 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15460 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15461 SendToProgram(buf, cps);
15464 if(cps->nrOptions >= MAX_OPTIONS) {
15466 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15467 DisplayError(buf, 0);
15471 /* End of additions by HGM */
15473 /* unknown feature: complain and skip */
15475 while (*q && *q != '=') q++;
15476 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15477 SendToProgram(buf, cps);
15483 while (*p && *p != '\"') p++;
15484 if (*p == '\"') p++;
15486 while (*p && *p != ' ') p++;
15494 PeriodicUpdatesEvent (int newState)
15496 if (newState == appData.periodicUpdates)
15499 appData.periodicUpdates=newState;
15501 /* Display type changes, so update it now */
15502 // DisplayAnalysis();
15504 /* Get the ball rolling again... */
15506 AnalysisPeriodicEvent(1);
15507 StartAnalysisClock();
15512 PonderNextMoveEvent (int newState)
15514 if (newState == appData.ponderNextMove) return;
15515 if (gameMode == EditPosition) EditPositionDone(TRUE);
15517 SendToProgram("hard\n", &first);
15518 if (gameMode == TwoMachinesPlay) {
15519 SendToProgram("hard\n", &second);
15522 SendToProgram("easy\n", &first);
15523 thinkOutput[0] = NULLCHAR;
15524 if (gameMode == TwoMachinesPlay) {
15525 SendToProgram("easy\n", &second);
15528 appData.ponderNextMove = newState;
15532 NewSettingEvent (int option, int *feature, char *command, int value)
15536 if (gameMode == EditPosition) EditPositionDone(TRUE);
15537 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15538 if(feature == NULL || *feature) SendToProgram(buf, &first);
15539 if (gameMode == TwoMachinesPlay) {
15540 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15545 ShowThinkingEvent ()
15546 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15548 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15549 int newState = appData.showThinking
15550 // [HGM] thinking: other features now need thinking output as well
15551 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15553 if (oldState == newState) return;
15554 oldState = newState;
15555 if (gameMode == EditPosition) EditPositionDone(TRUE);
15557 SendToProgram("post\n", &first);
15558 if (gameMode == TwoMachinesPlay) {
15559 SendToProgram("post\n", &second);
15562 SendToProgram("nopost\n", &first);
15563 thinkOutput[0] = NULLCHAR;
15564 if (gameMode == TwoMachinesPlay) {
15565 SendToProgram("nopost\n", &second);
15568 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15572 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15574 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15575 if (pr == NoProc) return;
15576 AskQuestion(title, question, replyPrefix, pr);
15580 TypeInEvent (char firstChar)
15582 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15583 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15584 gameMode == AnalyzeMode || gameMode == EditGame ||
15585 gameMode == EditPosition || gameMode == IcsExamining ||
15586 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15587 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15588 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15589 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15590 gameMode == Training) PopUpMoveDialog(firstChar);
15594 TypeInDoneEvent (char *move)
15597 int n, fromX, fromY, toX, toY;
15599 ChessMove moveType;
15602 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15603 EditPositionPasteFEN(move);
15606 // [HGM] movenum: allow move number to be typed in any mode
15607 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15611 // undocumented kludge: allow command-line option to be typed in!
15612 // (potentially fatal, and does not implement the effect of the option.)
15613 // should only be used for options that are values on which future decisions will be made,
15614 // and definitely not on options that would be used during initialization.
15615 if(strstr(move, "!!! -") == move) {
15616 ParseArgsFromString(move+4);
15620 if (gameMode != EditGame && currentMove != forwardMostMove &&
15621 gameMode != Training) {
15622 DisplayMoveError(_("Displayed move is not current"));
15624 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15625 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15626 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15627 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15628 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15629 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15631 DisplayMoveError(_("Could not parse move"));
15637 DisplayMove (int moveNumber)
15639 char message[MSG_SIZ];
15641 char cpThinkOutput[MSG_SIZ];
15643 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15645 if (moveNumber == forwardMostMove - 1 ||
15646 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15648 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15650 if (strchr(cpThinkOutput, '\n')) {
15651 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15654 *cpThinkOutput = NULLCHAR;
15657 /* [AS] Hide thinking from human user */
15658 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15659 *cpThinkOutput = NULLCHAR;
15660 if( thinkOutput[0] != NULLCHAR ) {
15663 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15664 cpThinkOutput[i] = '.';
15666 cpThinkOutput[i] = NULLCHAR;
15667 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15671 if (moveNumber == forwardMostMove - 1 &&
15672 gameInfo.resultDetails != NULL) {
15673 if (gameInfo.resultDetails[0] == NULLCHAR) {
15674 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15676 snprintf(res, MSG_SIZ, " {%s} %s",
15677 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15683 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15684 DisplayMessage(res, cpThinkOutput);
15686 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15687 WhiteOnMove(moveNumber) ? " " : ".. ",
15688 parseList[moveNumber], res);
15689 DisplayMessage(message, cpThinkOutput);
15694 DisplayComment (int moveNumber, char *text)
15696 char title[MSG_SIZ];
15698 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15699 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15701 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15702 WhiteOnMove(moveNumber) ? " " : ".. ",
15703 parseList[moveNumber]);
15705 if (text != NULL && (appData.autoDisplayComment || commentUp))
15706 CommentPopUp(title, text);
15709 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15710 * might be busy thinking or pondering. It can be omitted if your
15711 * gnuchess is configured to stop thinking immediately on any user
15712 * input. However, that gnuchess feature depends on the FIONREAD
15713 * ioctl, which does not work properly on some flavors of Unix.
15716 Attention (ChessProgramState *cps)
15719 if (!cps->useSigint) return;
15720 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15721 switch (gameMode) {
15722 case MachinePlaysWhite:
15723 case MachinePlaysBlack:
15724 case TwoMachinesPlay:
15725 case IcsPlayingWhite:
15726 case IcsPlayingBlack:
15729 /* Skip if we know it isn't thinking */
15730 if (!cps->maybeThinking) return;
15731 if (appData.debugMode)
15732 fprintf(debugFP, "Interrupting %s\n", cps->which);
15733 InterruptChildProcess(cps->pr);
15734 cps->maybeThinking = FALSE;
15739 #endif /*ATTENTION*/
15745 if (whiteTimeRemaining <= 0) {
15748 if (appData.icsActive) {
15749 if (appData.autoCallFlag &&
15750 gameMode == IcsPlayingBlack && !blackFlag) {
15751 SendToICS(ics_prefix);
15752 SendToICS("flag\n");
15756 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15758 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15759 if (appData.autoCallFlag) {
15760 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15767 if (blackTimeRemaining <= 0) {
15770 if (appData.icsActive) {
15771 if (appData.autoCallFlag &&
15772 gameMode == IcsPlayingWhite && !whiteFlag) {
15773 SendToICS(ics_prefix);
15774 SendToICS("flag\n");
15778 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15780 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15781 if (appData.autoCallFlag) {
15782 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15793 CheckTimeControl ()
15795 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15796 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15799 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15801 if ( !WhiteOnMove(forwardMostMove) ) {
15802 /* White made time control */
15803 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15804 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15805 /* [HGM] time odds: correct new time quota for time odds! */
15806 / WhitePlayer()->timeOdds;
15807 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15809 lastBlack -= blackTimeRemaining;
15810 /* Black made time control */
15811 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15812 / WhitePlayer()->other->timeOdds;
15813 lastWhite = whiteTimeRemaining;
15818 DisplayBothClocks ()
15820 int wom = gameMode == EditPosition ?
15821 !blackPlaysFirst : WhiteOnMove(currentMove);
15822 DisplayWhiteClock(whiteTimeRemaining, wom);
15823 DisplayBlackClock(blackTimeRemaining, !wom);
15827 /* Timekeeping seems to be a portability nightmare. I think everyone
15828 has ftime(), but I'm really not sure, so I'm including some ifdefs
15829 to use other calls if you don't. Clocks will be less accurate if
15830 you have neither ftime nor gettimeofday.
15833 /* VS 2008 requires the #include outside of the function */
15834 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15835 #include <sys/timeb.h>
15838 /* Get the current time as a TimeMark */
15840 GetTimeMark (TimeMark *tm)
15842 #if HAVE_GETTIMEOFDAY
15844 struct timeval timeVal;
15845 struct timezone timeZone;
15847 gettimeofday(&timeVal, &timeZone);
15848 tm->sec = (long) timeVal.tv_sec;
15849 tm->ms = (int) (timeVal.tv_usec / 1000L);
15851 #else /*!HAVE_GETTIMEOFDAY*/
15854 // include <sys/timeb.h> / moved to just above start of function
15855 struct timeb timeB;
15858 tm->sec = (long) timeB.time;
15859 tm->ms = (int) timeB.millitm;
15861 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15862 tm->sec = (long) time(NULL);
15868 /* Return the difference in milliseconds between two
15869 time marks. We assume the difference will fit in a long!
15872 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
15874 return 1000L*(tm2->sec - tm1->sec) +
15875 (long) (tm2->ms - tm1->ms);
15880 * Code to manage the game clocks.
15882 * In tournament play, black starts the clock and then white makes a move.
15883 * We give the human user a slight advantage if he is playing white---the
15884 * clocks don't run until he makes his first move, so it takes zero time.
15885 * Also, we don't account for network lag, so we could get out of sync
15886 * with GNU Chess's clock -- but then, referees are always right.
15889 static TimeMark tickStartTM;
15890 static long intendedTickLength;
15893 NextTickLength (long timeRemaining)
15895 long nominalTickLength, nextTickLength;
15897 if (timeRemaining > 0L && timeRemaining <= 10000L)
15898 nominalTickLength = 100L;
15900 nominalTickLength = 1000L;
15901 nextTickLength = timeRemaining % nominalTickLength;
15902 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15904 return nextTickLength;
15907 /* Adjust clock one minute up or down */
15909 AdjustClock (Boolean which, int dir)
15911 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15912 if(which) blackTimeRemaining += 60000*dir;
15913 else whiteTimeRemaining += 60000*dir;
15914 DisplayBothClocks();
15915 adjustedClock = TRUE;
15918 /* Stop clocks and reset to a fresh time control */
15922 (void) StopClockTimer();
15923 if (appData.icsActive) {
15924 whiteTimeRemaining = blackTimeRemaining = 0;
15925 } else if (searchTime) {
15926 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15927 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15928 } else { /* [HGM] correct new time quote for time odds */
15929 whiteTC = blackTC = fullTimeControlString;
15930 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15931 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15933 if (whiteFlag || blackFlag) {
15935 whiteFlag = blackFlag = FALSE;
15937 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15938 DisplayBothClocks();
15939 adjustedClock = FALSE;
15942 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15944 /* Decrement running clock by amount of time that has passed */
15948 long timeRemaining;
15949 long lastTickLength, fudge;
15952 if (!appData.clockMode) return;
15953 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15957 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15959 /* Fudge if we woke up a little too soon */
15960 fudge = intendedTickLength - lastTickLength;
15961 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15963 if (WhiteOnMove(forwardMostMove)) {
15964 if(whiteNPS >= 0) lastTickLength = 0;
15965 timeRemaining = whiteTimeRemaining -= lastTickLength;
15966 if(timeRemaining < 0 && !appData.icsActive) {
15967 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15968 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15969 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15970 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15973 DisplayWhiteClock(whiteTimeRemaining - fudge,
15974 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15976 if(blackNPS >= 0) lastTickLength = 0;
15977 timeRemaining = blackTimeRemaining -= lastTickLength;
15978 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15979 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15981 blackStartMove = forwardMostMove;
15982 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15985 DisplayBlackClock(blackTimeRemaining - fudge,
15986 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15988 if (CheckFlags()) return;
15991 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15992 StartClockTimer(intendedTickLength);
15994 /* if the time remaining has fallen below the alarm threshold, sound the
15995 * alarm. if the alarm has sounded and (due to a takeback or time control
15996 * with increment) the time remaining has increased to a level above the
15997 * threshold, reset the alarm so it can sound again.
16000 if (appData.icsActive && appData.icsAlarm) {
16002 /* make sure we are dealing with the user's clock */
16003 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16004 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16007 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16008 alarmSounded = FALSE;
16009 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16011 alarmSounded = TRUE;
16017 /* A player has just moved, so stop the previously running
16018 clock and (if in clock mode) start the other one.
16019 We redisplay both clocks in case we're in ICS mode, because
16020 ICS gives us an update to both clocks after every move.
16021 Note that this routine is called *after* forwardMostMove
16022 is updated, so the last fractional tick must be subtracted
16023 from the color that is *not* on move now.
16026 SwitchClocks (int newMoveNr)
16028 long lastTickLength;
16030 int flagged = FALSE;
16034 if (StopClockTimer() && appData.clockMode) {
16035 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16036 if (!WhiteOnMove(forwardMostMove)) {
16037 if(blackNPS >= 0) lastTickLength = 0;
16038 blackTimeRemaining -= 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 = // use GUI time
16042 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16044 if(whiteNPS >= 0) lastTickLength = 0;
16045 whiteTimeRemaining -= lastTickLength;
16046 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16047 // if(pvInfoList[forwardMostMove].time == -1)
16048 pvInfoList[forwardMostMove].time =
16049 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16051 flagged = CheckFlags();
16053 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16054 CheckTimeControl();
16056 if (flagged || !appData.clockMode) return;
16058 switch (gameMode) {
16059 case MachinePlaysBlack:
16060 case MachinePlaysWhite:
16061 case BeginningOfGame:
16062 if (pausing) return;
16066 case PlayFromGameFile:
16074 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16075 if(WhiteOnMove(forwardMostMove))
16076 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16077 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16081 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16082 whiteTimeRemaining : blackTimeRemaining);
16083 StartClockTimer(intendedTickLength);
16087 /* Stop both clocks */
16091 long lastTickLength;
16094 if (!StopClockTimer()) return;
16095 if (!appData.clockMode) return;
16099 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16100 if (WhiteOnMove(forwardMostMove)) {
16101 if(whiteNPS >= 0) lastTickLength = 0;
16102 whiteTimeRemaining -= lastTickLength;
16103 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16105 if(blackNPS >= 0) lastTickLength = 0;
16106 blackTimeRemaining -= lastTickLength;
16107 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16112 /* Start clock of player on move. Time may have been reset, so
16113 if clock is already running, stop and restart it. */
16117 (void) StopClockTimer(); /* in case it was running already */
16118 DisplayBothClocks();
16119 if (CheckFlags()) return;
16121 if (!appData.clockMode) return;
16122 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16124 GetTimeMark(&tickStartTM);
16125 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16126 whiteTimeRemaining : blackTimeRemaining);
16128 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16129 whiteNPS = blackNPS = -1;
16130 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16131 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16132 whiteNPS = first.nps;
16133 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16134 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16135 blackNPS = first.nps;
16136 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16137 whiteNPS = second.nps;
16138 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16139 blackNPS = second.nps;
16140 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16142 StartClockTimer(intendedTickLength);
16146 TimeString (long ms)
16148 long second, minute, hour, day;
16150 static char buf[32];
16152 if (ms > 0 && ms <= 9900) {
16153 /* convert milliseconds to tenths, rounding up */
16154 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16156 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16160 /* convert milliseconds to seconds, rounding up */
16161 /* use floating point to avoid strangeness of integer division
16162 with negative dividends on many machines */
16163 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16170 day = second / (60 * 60 * 24);
16171 second = second % (60 * 60 * 24);
16172 hour = second / (60 * 60);
16173 second = second % (60 * 60);
16174 minute = second / 60;
16175 second = second % 60;
16178 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16179 sign, day, hour, minute, second);
16181 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16183 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16190 * This is necessary because some C libraries aren't ANSI C compliant yet.
16193 StrStr (char *string, char *match)
16197 length = strlen(match);
16199 for (i = strlen(string) - length; i >= 0; i--, string++)
16200 if (!strncmp(match, string, length))
16207 StrCaseStr (char *string, char *match)
16211 length = strlen(match);
16213 for (i = strlen(string) - length; i >= 0; i--, string++) {
16214 for (j = 0; j < length; j++) {
16215 if (ToLower(match[j]) != ToLower(string[j]))
16218 if (j == length) return string;
16226 StrCaseCmp (char *s1, char *s2)
16231 c1 = ToLower(*s1++);
16232 c2 = ToLower(*s2++);
16233 if (c1 > c2) return 1;
16234 if (c1 < c2) return -1;
16235 if (c1 == NULLCHAR) return 0;
16243 return isupper(c) ? tolower(c) : c;
16250 return islower(c) ? toupper(c) : c;
16252 #endif /* !_amigados */
16259 if ((ret = (char *) malloc(strlen(s) + 1)))
16261 safeStrCpy(ret, s, strlen(s)+1);
16267 StrSavePtr (char *s, char **savePtr)
16272 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16273 safeStrCpy(*savePtr, s, strlen(s)+1);
16285 clock = time((time_t *)NULL);
16286 tm = localtime(&clock);
16287 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16288 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16289 return StrSave(buf);
16294 PositionToFEN (int move, char *overrideCastling)
16296 int i, j, fromX, fromY, toX, toY;
16303 whiteToPlay = (gameMode == EditPosition) ?
16304 !blackPlaysFirst : (move % 2 == 0);
16307 /* Piece placement data */
16308 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16309 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16311 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16312 if (boards[move][i][j] == EmptySquare) {
16314 } else { ChessSquare piece = boards[move][i][j];
16315 if (emptycount > 0) {
16316 if(emptycount<10) /* [HGM] can be >= 10 */
16317 *p++ = '0' + emptycount;
16318 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16321 if(PieceToChar(piece) == '+') {
16322 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16324 piece = (ChessSquare)(DEMOTED piece);
16326 *p++ = PieceToChar(piece);
16328 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16329 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16334 if (emptycount > 0) {
16335 if(emptycount<10) /* [HGM] can be >= 10 */
16336 *p++ = '0' + emptycount;
16337 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16344 /* [HGM] print Crazyhouse or Shogi holdings */
16345 if( gameInfo.holdingsWidth ) {
16346 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16348 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16349 piece = boards[move][i][BOARD_WIDTH-1];
16350 if( piece != EmptySquare )
16351 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16352 *p++ = PieceToChar(piece);
16354 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16355 piece = boards[move][BOARD_HEIGHT-i-1][0];
16356 if( piece != EmptySquare )
16357 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16358 *p++ = PieceToChar(piece);
16361 if( q == p ) *p++ = '-';
16367 *p++ = whiteToPlay ? 'w' : 'b';
16370 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16371 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16373 if(nrCastlingRights) {
16375 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16376 /* [HGM] write directly from rights */
16377 if(boards[move][CASTLING][2] != NoRights &&
16378 boards[move][CASTLING][0] != NoRights )
16379 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16380 if(boards[move][CASTLING][2] != NoRights &&
16381 boards[move][CASTLING][1] != NoRights )
16382 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16383 if(boards[move][CASTLING][5] != NoRights &&
16384 boards[move][CASTLING][3] != NoRights )
16385 *p++ = boards[move][CASTLING][3] + AAA;
16386 if(boards[move][CASTLING][5] != NoRights &&
16387 boards[move][CASTLING][4] != NoRights )
16388 *p++ = boards[move][CASTLING][4] + AAA;
16391 /* [HGM] write true castling rights */
16392 if( nrCastlingRights == 6 ) {
16393 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16394 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16395 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16396 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16397 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16398 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16399 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16400 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16403 if (q == p) *p++ = '-'; /* No castling rights */
16407 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16408 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16409 /* En passant target square */
16410 if (move > backwardMostMove) {
16411 fromX = moveList[move - 1][0] - AAA;
16412 fromY = moveList[move - 1][1] - ONE;
16413 toX = moveList[move - 1][2] - AAA;
16414 toY = moveList[move - 1][3] - ONE;
16415 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16416 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16417 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16419 /* 2-square pawn move just happened */
16421 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16425 } else if(move == backwardMostMove) {
16426 // [HGM] perhaps we should always do it like this, and forget the above?
16427 if((signed char)boards[move][EP_STATUS] >= 0) {
16428 *p++ = boards[move][EP_STATUS] + AAA;
16429 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16440 /* [HGM] find reversible plies */
16441 { int i = 0, j=move;
16443 if (appData.debugMode) { int k;
16444 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16445 for(k=backwardMostMove; k<=forwardMostMove; k++)
16446 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16450 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16451 if( j == backwardMostMove ) i += initialRulePlies;
16452 sprintf(p, "%d ", i);
16453 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16455 /* Fullmove number */
16456 sprintf(p, "%d", (move / 2) + 1);
16458 return StrSave(buf);
16462 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16471 /* [HGM] by default clear Crazyhouse holdings, if present */
16472 if(gameInfo.holdingsWidth) {
16473 for(i=0; i<BOARD_HEIGHT; i++) {
16474 board[i][0] = EmptySquare; /* black holdings */
16475 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16476 board[i][1] = (ChessSquare) 0; /* black counts */
16477 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16481 /* Piece placement data */
16482 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16485 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16486 if (*p == '/') p++;
16487 emptycount = gameInfo.boardWidth - j;
16488 while (emptycount--)
16489 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16491 #if(BOARD_FILES >= 10)
16492 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16493 p++; emptycount=10;
16494 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16495 while (emptycount--)
16496 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16498 } else if (isdigit(*p)) {
16499 emptycount = *p++ - '0';
16500 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16501 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16502 while (emptycount--)
16503 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16504 } else if (*p == '+' || isalpha(*p)) {
16505 if (j >= gameInfo.boardWidth) return FALSE;
16507 piece = CharToPiece(*++p);
16508 if(piece == EmptySquare) return FALSE; /* unknown piece */
16509 piece = (ChessSquare) (PROMOTED piece ); p++;
16510 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16511 } else piece = CharToPiece(*p++);
16513 if(piece==EmptySquare) return FALSE; /* unknown piece */
16514 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16515 piece = (ChessSquare) (PROMOTED piece);
16516 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16519 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16525 while (*p == '/' || *p == ' ') p++;
16527 /* [HGM] look for Crazyhouse holdings here */
16528 while(*p==' ') p++;
16529 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16531 if(*p == '-' ) p++; /* empty holdings */ else {
16532 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16533 /* if we would allow FEN reading to set board size, we would */
16534 /* have to add holdings and shift the board read so far here */
16535 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16537 if((int) piece >= (int) BlackPawn ) {
16538 i = (int)piece - (int)BlackPawn;
16539 i = PieceToNumber((ChessSquare)i);
16540 if( i >= gameInfo.holdingsSize ) return FALSE;
16541 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16542 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16544 i = (int)piece - (int)WhitePawn;
16545 i = PieceToNumber((ChessSquare)i);
16546 if( i >= gameInfo.holdingsSize ) return FALSE;
16547 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16548 board[i][BOARD_WIDTH-2]++; /* black holdings */
16555 while(*p == ' ') p++;
16559 if(appData.colorNickNames) {
16560 if( c == appData.colorNickNames[0] ) c = 'w'; else
16561 if( c == appData.colorNickNames[1] ) c = 'b';
16565 *blackPlaysFirst = FALSE;
16568 *blackPlaysFirst = TRUE;
16574 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16575 /* return the extra info in global variiables */
16577 /* set defaults in case FEN is incomplete */
16578 board[EP_STATUS] = EP_UNKNOWN;
16579 for(i=0; i<nrCastlingRights; i++ ) {
16580 board[CASTLING][i] =
16581 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16582 } /* assume possible unless obviously impossible */
16583 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16584 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16585 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16586 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16587 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16588 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16589 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16590 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16593 while(*p==' ') p++;
16594 if(nrCastlingRights) {
16595 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16596 /* castling indicator present, so default becomes no castlings */
16597 for(i=0; i<nrCastlingRights; i++ ) {
16598 board[CASTLING][i] = NoRights;
16601 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16602 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16603 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16604 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16605 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16607 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16608 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16609 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16611 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16612 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16613 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16614 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16615 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16616 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16619 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16620 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16621 board[CASTLING][2] = whiteKingFile;
16624 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16625 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16626 board[CASTLING][2] = whiteKingFile;
16629 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16630 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16631 board[CASTLING][5] = blackKingFile;
16634 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16635 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16636 board[CASTLING][5] = blackKingFile;
16639 default: /* FRC castlings */
16640 if(c >= 'a') { /* black rights */
16641 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16642 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16643 if(i == BOARD_RGHT) break;
16644 board[CASTLING][5] = i;
16646 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16647 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16649 board[CASTLING][3] = c;
16651 board[CASTLING][4] = c;
16652 } else { /* white rights */
16653 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16654 if(board[0][i] == WhiteKing) break;
16655 if(i == BOARD_RGHT) break;
16656 board[CASTLING][2] = i;
16657 c -= AAA - 'a' + 'A';
16658 if(board[0][c] >= WhiteKing) break;
16660 board[CASTLING][0] = c;
16662 board[CASTLING][1] = c;
16666 for(i=0; i<nrCastlingRights; i++)
16667 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16668 if (appData.debugMode) {
16669 fprintf(debugFP, "FEN castling rights:");
16670 for(i=0; i<nrCastlingRights; i++)
16671 fprintf(debugFP, " %d", board[CASTLING][i]);
16672 fprintf(debugFP, "\n");
16675 while(*p==' ') p++;
16678 /* read e.p. field in games that know e.p. capture */
16679 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16680 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16682 p++; board[EP_STATUS] = EP_NONE;
16684 char c = *p++ - AAA;
16686 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16687 if(*p >= '0' && *p <='9') p++;
16688 board[EP_STATUS] = c;
16693 if(sscanf(p, "%d", &i) == 1) {
16694 FENrulePlies = i; /* 50-move ply counter */
16695 /* (The move number is still ignored) */
16702 EditPositionPasteFEN (char *fen)
16705 Board initial_position;
16707 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16708 DisplayError(_("Bad FEN position in clipboard"), 0);
16711 int savedBlackPlaysFirst = blackPlaysFirst;
16712 EditPositionEvent();
16713 blackPlaysFirst = savedBlackPlaysFirst;
16714 CopyBoard(boards[0], initial_position);
16715 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16716 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16717 DisplayBothClocks();
16718 DrawPosition(FALSE, boards[currentMove]);
16723 static char cseq[12] = "\\ ";
16726 set_cont_sequence (char *new_seq)
16731 // handle bad attempts to set the sequence
16733 return 0; // acceptable error - no debug
16735 len = strlen(new_seq);
16736 ret = (len > 0) && (len < sizeof(cseq));
16738 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16739 else if (appData.debugMode)
16740 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16745 reformat a source message so words don't cross the width boundary. internal
16746 newlines are not removed. returns the wrapped size (no null character unless
16747 included in source message). If dest is NULL, only calculate the size required
16748 for the dest buffer. lp argument indicats line position upon entry, and it's
16749 passed back upon exit.
16752 wrap (char *dest, char *src, int count, int width, int *lp)
16754 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16756 cseq_len = strlen(cseq);
16757 old_line = line = *lp;
16758 ansi = len = clen = 0;
16760 for (i=0; i < count; i++)
16762 if (src[i] == '\033')
16765 // if we hit the width, back up
16766 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16768 // store i & len in case the word is too long
16769 old_i = i, old_len = len;
16771 // find the end of the last word
16772 while (i && src[i] != ' ' && src[i] != '\n')
16778 // word too long? restore i & len before splitting it
16779 if ((old_i-i+clen) >= width)
16786 if (i && src[i-1] == ' ')
16789 if (src[i] != ' ' && src[i] != '\n')
16796 // now append the newline and continuation sequence
16801 strncpy(dest+len, cseq, cseq_len);
16809 dest[len] = src[i];
16813 if (src[i] == '\n')
16818 if (dest && appData.debugMode)
16820 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16821 count, width, line, len, *lp);
16822 show_bytes(debugFP, src, count);
16823 fprintf(debugFP, "\ndest: ");
16824 show_bytes(debugFP, dest, len);
16825 fprintf(debugFP, "\n");
16827 *lp = dest ? line : old_line;
16832 // [HGM] vari: routines for shelving variations
16833 Boolean modeRestore = FALSE;
16836 PushInner (int firstMove, int lastMove)
16838 int i, j, nrMoves = lastMove - firstMove;
16840 // push current tail of game on stack
16841 savedResult[storedGames] = gameInfo.result;
16842 savedDetails[storedGames] = gameInfo.resultDetails;
16843 gameInfo.resultDetails = NULL;
16844 savedFirst[storedGames] = firstMove;
16845 savedLast [storedGames] = lastMove;
16846 savedFramePtr[storedGames] = framePtr;
16847 framePtr -= nrMoves; // reserve space for the boards
16848 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16849 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16850 for(j=0; j<MOVE_LEN; j++)
16851 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16852 for(j=0; j<2*MOVE_LEN; j++)
16853 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16854 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16855 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16856 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16857 pvInfoList[firstMove+i-1].depth = 0;
16858 commentList[framePtr+i] = commentList[firstMove+i];
16859 commentList[firstMove+i] = NULL;
16863 forwardMostMove = firstMove; // truncate game so we can start variation
16867 PushTail (int firstMove, int lastMove)
16869 if(appData.icsActive) { // only in local mode
16870 forwardMostMove = currentMove; // mimic old ICS behavior
16873 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16875 PushInner(firstMove, lastMove);
16876 if(storedGames == 1) GreyRevert(FALSE);
16877 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16881 PopInner (Boolean annotate)
16884 char buf[8000], moveBuf[20];
16886 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16887 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16888 nrMoves = savedLast[storedGames] - currentMove;
16891 if(!WhiteOnMove(currentMove))
16892 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16893 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16894 for(i=currentMove; i<forwardMostMove; i++) {
16896 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16897 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16898 strcat(buf, moveBuf);
16899 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16900 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16904 for(i=1; i<=nrMoves; i++) { // copy last variation back
16905 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16906 for(j=0; j<MOVE_LEN; j++)
16907 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16908 for(j=0; j<2*MOVE_LEN; j++)
16909 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16910 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16911 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16912 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16913 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16914 commentList[currentMove+i] = commentList[framePtr+i];
16915 commentList[framePtr+i] = NULL;
16917 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16918 framePtr = savedFramePtr[storedGames];
16919 gameInfo.result = savedResult[storedGames];
16920 if(gameInfo.resultDetails != NULL) {
16921 free(gameInfo.resultDetails);
16923 gameInfo.resultDetails = savedDetails[storedGames];
16924 forwardMostMove = currentMove + nrMoves;
16928 PopTail (Boolean annotate)
16930 if(appData.icsActive) return FALSE; // only in local mode
16931 if(!storedGames) return FALSE; // sanity
16932 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16934 PopInner(annotate);
16935 if(currentMove < forwardMostMove) ForwardEvent(); else
16936 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16938 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16944 { // remove all shelved variations
16946 for(i=0; i<storedGames; i++) {
16947 if(savedDetails[i])
16948 free(savedDetails[i]);
16949 savedDetails[i] = NULL;
16951 for(i=framePtr; i<MAX_MOVES; i++) {
16952 if(commentList[i]) free(commentList[i]);
16953 commentList[i] = NULL;
16955 framePtr = MAX_MOVES-1;
16960 LoadVariation (int index, char *text)
16961 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16962 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16963 int level = 0, move;
16965 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
16966 // first find outermost bracketing variation
16967 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16968 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16969 if(*p == '{') wait = '}'; else
16970 if(*p == '[') wait = ']'; else
16971 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16972 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16974 if(*p == wait) wait = NULLCHAR; // closing ]} found
16977 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16978 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16979 end[1] = NULLCHAR; // clip off comment beyond variation
16980 ToNrEvent(currentMove-1);
16981 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16982 // kludge: use ParsePV() to append variation to game
16983 move = currentMove;
16984 ParsePV(start, TRUE, TRUE);
16985 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16986 ClearPremoveHighlights();
16988 ToNrEvent(currentMove+1);