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"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
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(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
229 extern void ConsoleCreate();
232 ChessProgramState *WhitePlayer();
233 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
234 int VerifyDisplayMode P(());
236 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
237 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
238 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
239 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
240 void ics_update_width P((int new_width));
241 extern char installDir[MSG_SIZ];
242 VariantClass startVariant; /* [HGM] nicks: initial variant */
245 extern int tinyLayout, smallLayout;
246 ChessProgramStats programStats;
247 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
249 static int exiting = 0; /* [HGM] moved to top */
250 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
251 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
252 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
253 int partnerHighlight[2];
254 Boolean partnerBoardValid = 0;
255 char partnerStatus[MSG_SIZ];
257 Boolean originalFlip;
258 Boolean twoBoards = 0;
259 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
260 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
261 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
262 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
263 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
264 int opponentKibitzes;
265 int lastSavedGame; /* [HGM] save: ID of game */
266 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
267 extern int chatCount;
269 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
270 char lastMsg[MSG_SIZ];
271 ChessSquare pieceSweep = EmptySquare;
272 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
273 int promoDefaultAltered;
274 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
276 /* States for ics_getting_history */
278 #define H_REQUESTED 1
279 #define H_GOT_REQ_HEADER 2
280 #define H_GOT_UNREQ_HEADER 3
281 #define H_GETTING_MOVES 4
282 #define H_GOT_UNWANTED_HEADER 5
284 /* whosays values for GameEnds */
293 /* Maximum number of games in a cmail message */
294 #define CMAIL_MAX_GAMES 20
296 /* Different types of move when calling RegisterMove */
298 #define CMAIL_RESIGN 1
300 #define CMAIL_ACCEPT 3
302 /* Different types of result to remember for each game */
303 #define CMAIL_NOT_RESULT 0
304 #define CMAIL_OLD_RESULT 1
305 #define CMAIL_NEW_RESULT 2
307 /* Telnet protocol constants */
318 safeStrCpy (char *dst, const char *src, size_t count)
321 assert( dst != NULL );
322 assert( src != NULL );
325 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
326 if( i == count && dst[count-1] != NULLCHAR)
328 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
329 if(appData.debugMode)
330 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
336 /* Some compiler can't cast u64 to double
337 * This function do the job for us:
339 * We use the highest bit for cast, this only
340 * works if the highest bit is not
341 * in use (This should not happen)
343 * We used this for all compiler
346 u64ToDouble (u64 value)
349 u64 tmp = value & u64Const(0x7fffffffffffffff);
350 r = (double)(s64)tmp;
351 if (value & u64Const(0x8000000000000000))
352 r += 9.2233720368547758080e18; /* 2^63 */
356 /* Fake up flags for now, as we aren't keeping track of castling
357 availability yet. [HGM] Change of logic: the flag now only
358 indicates the type of castlings allowed by the rule of the game.
359 The actual rights themselves are maintained in the array
360 castlingRights, as part of the game history, and are not probed
366 int flags = F_ALL_CASTLE_OK;
367 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
368 switch (gameInfo.variant) {
370 flags &= ~F_ALL_CASTLE_OK;
371 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
372 flags |= F_IGNORE_CHECK;
374 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
377 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
379 case VariantKriegspiel:
380 flags |= F_KRIEGSPIEL_CAPTURE;
382 case VariantCapaRandom:
383 case VariantFischeRandom:
384 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
385 case VariantNoCastle:
386 case VariantShatranj:
390 flags &= ~F_ALL_CASTLE_OK;
398 FILE *gameFileFP, *debugFP, *serverFP;
399 char *currentDebugFile; // [HGM] debug split: to remember name
402 [AS] Note: sometimes, the sscanf() function is used to parse the input
403 into a fixed-size buffer. Because of this, we must be prepared to
404 receive strings as long as the size of the input buffer, which is currently
405 set to 4K for Windows and 8K for the rest.
406 So, we must either allocate sufficiently large buffers here, or
407 reduce the size of the input buffer in the input reading part.
410 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
411 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
412 char thinkOutput1[MSG_SIZ*10];
414 ChessProgramState first, second, pairing;
416 /* premove variables */
419 int premoveFromX = 0;
420 int premoveFromY = 0;
421 int premovePromoChar = 0;
423 Boolean alarmSounded;
424 /* end premove variables */
426 char *ics_prefix = "$";
427 enum ICS_TYPE ics_type = ICS_GENERIC;
429 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
430 int pauseExamForwardMostMove = 0;
431 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
432 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
433 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
434 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
435 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
436 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
437 int whiteFlag = FALSE, blackFlag = FALSE;
438 int userOfferedDraw = FALSE;
439 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
440 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
441 int cmailMoveType[CMAIL_MAX_GAMES];
442 long ics_clock_paused = 0;
443 ProcRef icsPR = NoProc, cmailPR = NoProc;
444 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
445 GameMode gameMode = BeginningOfGame;
446 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
447 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
448 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
449 int hiddenThinkOutputState = 0; /* [AS] */
450 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
451 int adjudicateLossPlies = 6;
452 char white_holding[64], black_holding[64];
453 TimeMark lastNodeCountTime;
454 long lastNodeCount=0;
455 int shiftKey, controlKey; // [HGM] set by mouse handler
457 int have_sent_ICS_logon = 0;
459 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
460 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
461 Boolean adjustedClock;
462 long timeControl_2; /* [AS] Allow separate time controls */
463 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
464 long timeRemaining[2][MAX_MOVES];
465 int matchGame = 0, nextGame = 0, roundNr = 0;
466 Boolean waitingForGame = FALSE;
467 TimeMark programStartTime, pauseStart;
468 char ics_handle[MSG_SIZ];
469 int have_set_title = 0;
471 /* animateTraining preserves the state of appData.animate
472 * when Training mode is activated. This allows the
473 * response to be animated when appData.animate == TRUE and
474 * appData.animateDragging == TRUE.
476 Boolean animateTraining;
482 Board boards[MAX_MOVES];
483 /* [HGM] Following 7 needed for accurate legality tests: */
484 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
485 signed char initialRights[BOARD_FILES];
486 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
487 int initialRulePlies, FENrulePlies;
488 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
490 Boolean shuffleOpenings;
491 int mute; // mute all sounds
493 // [HGM] vari: next 12 to save and restore variations
494 #define MAX_VARIATIONS 10
495 int framePtr = MAX_MOVES-1; // points to free stack entry
497 int savedFirst[MAX_VARIATIONS];
498 int savedLast[MAX_VARIATIONS];
499 int savedFramePtr[MAX_VARIATIONS];
500 char *savedDetails[MAX_VARIATIONS];
501 ChessMove savedResult[MAX_VARIATIONS];
503 void PushTail P((int firstMove, int lastMove));
504 Boolean PopTail P((Boolean annotate));
505 void PushInner P((int firstMove, int lastMove));
506 void PopInner P((Boolean annotate));
507 void CleanupTail P((void));
509 ChessSquare FIDEArray[2][BOARD_FILES] = {
510 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
511 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
512 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
513 BlackKing, BlackBishop, BlackKnight, BlackRook }
516 ChessSquare twoKingsArray[2][BOARD_FILES] = {
517 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
518 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
519 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
520 BlackKing, BlackKing, BlackKnight, BlackRook }
523 ChessSquare KnightmateArray[2][BOARD_FILES] = {
524 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
525 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
526 { BlackRook, BlackMan, BlackBishop, BlackQueen,
527 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
530 ChessSquare SpartanArray[2][BOARD_FILES] = {
531 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
532 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
533 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
534 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
537 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
538 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
539 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
540 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
541 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
544 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
545 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
546 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
547 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
548 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
551 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
552 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
553 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
554 { BlackRook, BlackKnight, BlackMan, BlackFerz,
555 BlackKing, BlackMan, BlackKnight, BlackRook }
559 #if (BOARD_FILES>=10)
560 ChessSquare ShogiArray[2][BOARD_FILES] = {
561 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
562 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
563 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
564 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
567 ChessSquare XiangqiArray[2][BOARD_FILES] = {
568 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
569 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
570 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
571 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
574 ChessSquare CapablancaArray[2][BOARD_FILES] = {
575 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
576 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
577 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
578 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
581 ChessSquare GreatArray[2][BOARD_FILES] = {
582 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
583 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
584 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
585 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
588 ChessSquare JanusArray[2][BOARD_FILES] = {
589 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
590 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
591 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
592 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
595 ChessSquare GrandArray[2][BOARD_FILES] = {
596 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
597 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
598 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
599 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
603 ChessSquare GothicArray[2][BOARD_FILES] = {
604 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
605 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
606 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
607 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
610 #define GothicArray CapablancaArray
614 ChessSquare FalconArray[2][BOARD_FILES] = {
615 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
616 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
617 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
618 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
621 #define FalconArray CapablancaArray
624 #else // !(BOARD_FILES>=10)
625 #define XiangqiPosition FIDEArray
626 #define CapablancaArray FIDEArray
627 #define GothicArray FIDEArray
628 #define GreatArray FIDEArray
629 #endif // !(BOARD_FILES>=10)
631 #if (BOARD_FILES>=12)
632 ChessSquare CourierArray[2][BOARD_FILES] = {
633 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
634 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
635 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
636 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
638 #else // !(BOARD_FILES>=12)
639 #define CourierArray CapablancaArray
640 #endif // !(BOARD_FILES>=12)
643 Board initialPosition;
646 /* Convert str to a rating. Checks for special cases of "----",
648 "++++", etc. Also strips ()'s */
650 string_to_rating (char *str)
652 while(*str && !isdigit(*str)) ++str;
654 return 0; /* One of the special "no rating" cases */
662 /* Init programStats */
663 programStats.movelist[0] = 0;
664 programStats.depth = 0;
665 programStats.nr_moves = 0;
666 programStats.moves_left = 0;
667 programStats.nodes = 0;
668 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
669 programStats.score = 0;
670 programStats.got_only_move = 0;
671 programStats.got_fail = 0;
672 programStats.line_is_book = 0;
677 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
678 if (appData.firstPlaysBlack) {
679 first.twoMachinesColor = "black\n";
680 second.twoMachinesColor = "white\n";
682 first.twoMachinesColor = "white\n";
683 second.twoMachinesColor = "black\n";
686 first.other = &second;
687 second.other = &first;
690 if(appData.timeOddsMode) {
691 norm = appData.timeOdds[0];
692 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
694 first.timeOdds = appData.timeOdds[0]/norm;
695 second.timeOdds = appData.timeOdds[1]/norm;
698 if(programVersion) free(programVersion);
699 if (appData.noChessProgram) {
700 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
701 sprintf(programVersion, "%s", PACKAGE_STRING);
703 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
704 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
705 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
710 UnloadEngine (ChessProgramState *cps)
712 /* Kill off first chess program */
713 if (cps->isr != NULL)
714 RemoveInputSource(cps->isr);
717 if (cps->pr != NoProc) {
719 DoSleep( appData.delayBeforeQuit );
720 SendToProgram("quit\n", cps);
721 DoSleep( appData.delayAfterQuit );
722 DestroyChildProcess(cps->pr, cps->useSigterm);
725 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
729 ClearOptions (ChessProgramState *cps)
732 cps->nrOptions = cps->comboCnt = 0;
733 for(i=0; i<MAX_OPTIONS; i++) {
734 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
735 cps->option[i].textValue = 0;
739 char *engineNames[] = {
740 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
741 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
743 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
744 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
749 InitEngine (ChessProgramState *cps, int n)
750 { // [HGM] all engine initialiation put in a function that does one engine
754 cps->which = engineNames[n];
755 cps->maybeThinking = FALSE;
759 cps->sendDrawOffers = 1;
761 cps->program = appData.chessProgram[n];
762 cps->host = appData.host[n];
763 cps->dir = appData.directory[n];
764 cps->initString = appData.engInitString[n];
765 cps->computerString = appData.computerString[n];
766 cps->useSigint = TRUE;
767 cps->useSigterm = TRUE;
768 cps->reuse = appData.reuse[n];
769 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
770 cps->useSetboard = FALSE;
772 cps->usePing = FALSE;
775 cps->usePlayother = FALSE;
776 cps->useColors = TRUE;
777 cps->useUsermove = FALSE;
778 cps->sendICS = FALSE;
779 cps->sendName = appData.icsActive;
780 cps->sdKludge = FALSE;
781 cps->stKludge = FALSE;
782 TidyProgramName(cps->program, cps->host, cps->tidy);
784 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
785 cps->analysisSupport = 2; /* detect */
786 cps->analyzing = FALSE;
787 cps->initDone = FALSE;
789 /* New features added by Tord: */
790 cps->useFEN960 = FALSE;
791 cps->useOOCastle = TRUE;
792 /* End of new features added by Tord. */
793 cps->fenOverride = appData.fenOverride[n];
795 /* [HGM] time odds: set factor for each machine */
796 cps->timeOdds = appData.timeOdds[n];
798 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
799 cps->accumulateTC = appData.accumulateTC[n];
800 cps->maxNrOfSessions = 1;
805 cps->supportsNPS = UNKNOWN;
806 cps->memSize = FALSE;
807 cps->maxCores = FALSE;
808 cps->egtFormats[0] = NULLCHAR;
811 cps->optionSettings = appData.engOptions[n];
813 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
814 cps->isUCI = appData.isUCI[n]; /* [AS] */
815 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
817 if (appData.protocolVersion[n] > PROTOVER
818 || appData.protocolVersion[n] < 1)
823 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
824 appData.protocolVersion[n]);
825 if( (len >= MSG_SIZ) && appData.debugMode )
826 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
828 DisplayFatalError(buf, 0, 2);
832 cps->protocolVersion = appData.protocolVersion[n];
835 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
836 ParseFeatures(appData.featureDefaults, cps);
839 ChessProgramState *savCps;
845 if(WaitForEngine(savCps, LoadEngine)) return;
846 CommonEngineInit(); // recalculate time odds
847 if(gameInfo.variant != StringToVariant(appData.variant)) {
848 // we changed variant when loading the engine; this forces us to reset
849 Reset(TRUE, savCps != &first);
850 EditGameEvent(); // for consistency with other path, as Reset changes mode
852 InitChessProgram(savCps, FALSE);
853 SendToProgram("force\n", savCps);
854 DisplayMessage("", "");
855 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
856 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
862 ReplaceEngine (ChessProgramState *cps, int n)
866 appData.noChessProgram = FALSE;
867 appData.clockMode = TRUE;
870 if(n) return; // only startup first engine immediately; second can wait
871 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
875 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
876 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
878 static char resetOptions[] =
879 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
880 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
881 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
882 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
885 FloatToFront(char **list, char *engineLine)
887 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
889 if(appData.recentEngines <= 0) return;
890 TidyProgramName(engineLine, "localhost", tidy+1);
891 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
892 strncpy(buf+1, *list, MSG_SIZ-50);
893 if(p = strstr(buf, tidy)) { // tidy name appears in list
894 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
895 while(*p++ = *++q); // squeeze out
897 strcat(tidy, buf+1); // put list behind tidy name
898 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
899 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
900 ASSIGN(*list, tidy+1);
903 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
906 Load (ChessProgramState *cps, int i)
908 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
909 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
910 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
911 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
912 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
913 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
914 appData.firstProtocolVersion = PROTOVER;
915 ParseArgsFromString(buf);
917 ReplaceEngine(cps, i);
918 FloatToFront(&appData.recentEngineList, engineLine);
922 while(q = strchr(p, SLASH)) p = q+1;
923 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
924 if(engineDir[0] != NULLCHAR) {
925 ASSIGN(appData.directory[i], engineDir); p = engineName;
926 } else if(p != engineName) { // derive directory from engine path, when not given
928 ASSIGN(appData.directory[i], engineName);
930 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
931 } else { ASSIGN(appData.directory[i], "."); }
933 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
934 snprintf(command, MSG_SIZ, "%s %s", p, params);
937 ASSIGN(appData.chessProgram[i], p);
938 appData.isUCI[i] = isUCI;
939 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
940 appData.hasOwnBookUCI[i] = hasBook;
941 if(!nickName[0]) useNick = FALSE;
942 if(useNick) ASSIGN(appData.pgnName[i], nickName);
946 q = firstChessProgramNames;
947 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
948 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
949 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
950 quote, p, quote, appData.directory[i],
951 useNick ? " -fn \"" : "",
952 useNick ? nickName : "",
954 v1 ? " -firstProtocolVersion 1" : "",
955 hasBook ? "" : " -fNoOwnBookUCI",
956 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
957 storeVariant ? " -variant " : "",
958 storeVariant ? VariantName(gameInfo.variant) : "");
959 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
960 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
961 if(insert != q) insert[-1] = NULLCHAR;
962 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
964 FloatToFront(&appData.recentEngineList, buf);
966 ReplaceEngine(cps, i);
972 int matched, min, sec;
974 * Parse timeControl resource
976 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
977 appData.movesPerSession)) {
979 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
980 DisplayFatalError(buf, 0, 2);
984 * Parse searchTime resource
986 if (*appData.searchTime != NULLCHAR) {
987 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
989 searchTime = min * 60;
990 } else if (matched == 2) {
991 searchTime = min * 60 + sec;
994 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
995 DisplayFatalError(buf, 0, 2);
1004 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1005 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1007 GetTimeMark(&programStartTime);
1008 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1009 appData.seedBase = random() + (random()<<15);
1010 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1012 ClearProgramStats();
1013 programStats.ok_to_send = 1;
1014 programStats.seen_stat = 0;
1017 * Initialize game list
1023 * Internet chess server status
1025 if (appData.icsActive) {
1026 appData.matchMode = FALSE;
1027 appData.matchGames = 0;
1029 appData.noChessProgram = !appData.zippyPlay;
1031 appData.zippyPlay = FALSE;
1032 appData.zippyTalk = FALSE;
1033 appData.noChessProgram = TRUE;
1035 if (*appData.icsHelper != NULLCHAR) {
1036 appData.useTelnet = TRUE;
1037 appData.telnetProgram = appData.icsHelper;
1040 appData.zippyTalk = appData.zippyPlay = FALSE;
1043 /* [AS] Initialize pv info list [HGM] and game state */
1047 for( i=0; i<=framePtr; i++ ) {
1048 pvInfoList[i].depth = -1;
1049 boards[i][EP_STATUS] = EP_NONE;
1050 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1056 /* [AS] Adjudication threshold */
1057 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1059 InitEngine(&first, 0);
1060 InitEngine(&second, 1);
1063 pairing.which = "pairing"; // pairing engine
1064 pairing.pr = NoProc;
1066 pairing.program = appData.pairingEngine;
1067 pairing.host = "localhost";
1070 if (appData.icsActive) {
1071 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1072 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1073 appData.clockMode = FALSE;
1074 first.sendTime = second.sendTime = 0;
1078 /* Override some settings from environment variables, for backward
1079 compatibility. Unfortunately it's not feasible to have the env
1080 vars just set defaults, at least in xboard. Ugh.
1082 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1087 if (!appData.icsActive) {
1091 /* Check for variants that are supported only in ICS mode,
1092 or not at all. Some that are accepted here nevertheless
1093 have bugs; see comments below.
1095 VariantClass variant = StringToVariant(appData.variant);
1097 case VariantBughouse: /* need four players and two boards */
1098 case VariantKriegspiel: /* need to hide pieces and move details */
1099 /* case VariantFischeRandom: (Fabien: moved below) */
1100 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1101 if( (len >= MSG_SIZ) && appData.debugMode )
1102 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1104 DisplayFatalError(buf, 0, 2);
1107 case VariantUnknown:
1108 case VariantLoadable:
1118 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1119 if( (len >= MSG_SIZ) && appData.debugMode )
1120 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1122 DisplayFatalError(buf, 0, 2);
1125 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1126 case VariantFairy: /* [HGM] TestLegality definitely off! */
1127 case VariantGothic: /* [HGM] should work */
1128 case VariantCapablanca: /* [HGM] should work */
1129 case VariantCourier: /* [HGM] initial forced moves not implemented */
1130 case VariantShogi: /* [HGM] could still mate with pawn drop */
1131 case VariantKnightmate: /* [HGM] should work */
1132 case VariantCylinder: /* [HGM] untested */
1133 case VariantFalcon: /* [HGM] untested */
1134 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1135 offboard interposition not understood */
1136 case VariantNormal: /* definitely works! */
1137 case VariantWildCastle: /* pieces not automatically shuffled */
1138 case VariantNoCastle: /* pieces not automatically shuffled */
1139 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1140 case VariantLosers: /* should work except for win condition,
1141 and doesn't know captures are mandatory */
1142 case VariantSuicide: /* should work except for win condition,
1143 and doesn't know captures are mandatory */
1144 case VariantGiveaway: /* should work except for win condition,
1145 and doesn't know captures are mandatory */
1146 case VariantTwoKings: /* should work */
1147 case VariantAtomic: /* should work except for win condition */
1148 case Variant3Check: /* should work except for win condition */
1149 case VariantShatranj: /* should work except for all win conditions */
1150 case VariantMakruk: /* should work except for draw countdown */
1151 case VariantBerolina: /* might work if TestLegality is off */
1152 case VariantCapaRandom: /* should work */
1153 case VariantJanus: /* should work */
1154 case VariantSuper: /* experimental */
1155 case VariantGreat: /* experimental, requires legality testing to be off */
1156 case VariantSChess: /* S-Chess, should work */
1157 case VariantGrand: /* should work */
1158 case VariantSpartan: /* should work */
1166 NextIntegerFromString (char ** str, long * value)
1171 while( *s == ' ' || *s == '\t' ) {
1177 if( *s >= '0' && *s <= '9' ) {
1178 while( *s >= '0' && *s <= '9' ) {
1179 *value = *value * 10 + (*s - '0');
1192 NextTimeControlFromString (char ** str, long * value)
1195 int result = NextIntegerFromString( str, &temp );
1198 *value = temp * 60; /* Minutes */
1199 if( **str == ':' ) {
1201 result = NextIntegerFromString( str, &temp );
1202 *value += temp; /* Seconds */
1210 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1211 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1212 int result = -1, type = 0; long temp, temp2;
1214 if(**str != ':') return -1; // old params remain in force!
1216 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1217 if( NextIntegerFromString( str, &temp ) ) return -1;
1218 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1221 /* time only: incremental or sudden-death time control */
1222 if(**str == '+') { /* increment follows; read it */
1224 if(**str == '!') type = *(*str)++; // Bronstein TC
1225 if(result = NextIntegerFromString( str, &temp2)) return -1;
1226 *inc = temp2 * 1000;
1227 if(**str == '.') { // read fraction of increment
1228 char *start = ++(*str);
1229 if(result = NextIntegerFromString( str, &temp2)) return -1;
1231 while(start++ < *str) temp2 /= 10;
1235 *moves = 0; *tc = temp * 1000; *incType = type;
1239 (*str)++; /* classical time control */
1240 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1252 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1253 { /* [HGM] get time to add from the multi-session time-control string */
1254 int incType, moves=1; /* kludge to force reading of first session */
1255 long time, increment;
1258 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1260 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1261 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1262 if(movenr == -1) return time; /* last move before new session */
1263 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1264 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1265 if(!moves) return increment; /* current session is incremental */
1266 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1267 } while(movenr >= -1); /* try again for next session */
1269 return 0; // no new time quota on this move
1273 ParseTimeControl (char *tc, float ti, int mps)
1277 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1280 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1281 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1282 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1286 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1288 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1291 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1293 snprintf(buf, MSG_SIZ, ":%s", mytc);
1295 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1297 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1302 /* Parse second time control */
1305 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1313 timeControl_2 = tc2 * 1000;
1323 timeControl = tc1 * 1000;
1326 timeIncrement = ti * 1000; /* convert to ms */
1327 movesPerSession = 0;
1330 movesPerSession = mps;
1338 if (appData.debugMode) {
1339 fprintf(debugFP, "%s\n", programVersion);
1341 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1343 set_cont_sequence(appData.wrapContSeq);
1344 if (appData.matchGames > 0) {
1345 appData.matchMode = TRUE;
1346 } else if (appData.matchMode) {
1347 appData.matchGames = 1;
1349 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1350 appData.matchGames = appData.sameColorGames;
1351 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1352 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1353 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1356 if (appData.noChessProgram || first.protocolVersion == 1) {
1359 /* kludge: allow timeout for initial "feature" commands */
1361 DisplayMessage("", _("Starting chess program"));
1362 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1367 CalculateIndex (int index, int gameNr)
1368 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1370 if(index > 0) return index; // fixed nmber
1371 if(index == 0) return 1;
1372 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1373 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1378 LoadGameOrPosition (int gameNr)
1379 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1380 if (*appData.loadGameFile != NULLCHAR) {
1381 if (!LoadGameFromFile(appData.loadGameFile,
1382 CalculateIndex(appData.loadGameIndex, gameNr),
1383 appData.loadGameFile, FALSE)) {
1384 DisplayFatalError(_("Bad game file"), 0, 1);
1387 } else if (*appData.loadPositionFile != NULLCHAR) {
1388 if (!LoadPositionFromFile(appData.loadPositionFile,
1389 CalculateIndex(appData.loadPositionIndex, gameNr),
1390 appData.loadPositionFile)) {
1391 DisplayFatalError(_("Bad position file"), 0, 1);
1399 ReserveGame (int gameNr, char resChar)
1401 FILE *tf = fopen(appData.tourneyFile, "r+");
1402 char *p, *q, c, buf[MSG_SIZ];
1403 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1404 safeStrCpy(buf, lastMsg, MSG_SIZ);
1405 DisplayMessage(_("Pick new game"), "");
1406 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1407 ParseArgsFromFile(tf);
1408 p = q = appData.results;
1409 if(appData.debugMode) {
1410 char *r = appData.participants;
1411 fprintf(debugFP, "results = '%s'\n", p);
1412 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1413 fprintf(debugFP, "\n");
1415 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1417 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1418 safeStrCpy(q, p, strlen(p) + 2);
1419 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1420 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1421 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1422 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1425 fseek(tf, -(strlen(p)+4), SEEK_END);
1427 if(c != '"') // depending on DOS or Unix line endings we can be one off
1428 fseek(tf, -(strlen(p)+2), SEEK_END);
1429 else fseek(tf, -(strlen(p)+3), SEEK_END);
1430 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1431 DisplayMessage(buf, "");
1432 free(p); appData.results = q;
1433 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1434 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1435 int round = appData.defaultMatchGames * appData.tourneyType;
1436 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1437 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1438 UnloadEngine(&first); // next game belongs to other pairing;
1439 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1441 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1445 MatchEvent (int mode)
1446 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1448 if(matchMode) { // already in match mode: switch it off
1450 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1453 // if(gameMode != BeginningOfGame) {
1454 // DisplayError(_("You can only start a match from the initial position."), 0);
1458 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1459 /* Set up machine vs. machine match */
1461 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1462 if(appData.tourneyFile[0]) {
1464 if(nextGame > appData.matchGames) {
1466 if(strchr(appData.results, '*') == NULL) {
1468 appData.tourneyCycles++;
1469 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1471 NextTourneyGame(-1, &dummy);
1473 if(nextGame <= appData.matchGames) {
1474 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1476 ScheduleDelayedEvent(NextMatchGame, 10000);
1481 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1482 DisplayError(buf, 0);
1483 appData.tourneyFile[0] = 0;
1487 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1488 DisplayFatalError(_("Can't have a match with no chess programs"),
1493 matchGame = roundNr = 1;
1494 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1498 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1501 InitBackEnd3 P((void))
1503 GameMode initialMode;
1507 InitChessProgram(&first, startedFromSetupPosition);
1509 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1510 free(programVersion);
1511 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1512 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1513 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1516 if (appData.icsActive) {
1518 /* [DM] Make a console window if needed [HGM] merged ifs */
1524 if (*appData.icsCommPort != NULLCHAR)
1525 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1526 appData.icsCommPort);
1528 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1529 appData.icsHost, appData.icsPort);
1531 if( (len >= MSG_SIZ) && appData.debugMode )
1532 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1534 DisplayFatalError(buf, err, 1);
1539 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1541 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1542 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1543 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1544 } else if (appData.noChessProgram) {
1550 if (*appData.cmailGameName != NULLCHAR) {
1552 OpenLoopback(&cmailPR);
1554 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1558 DisplayMessage("", "");
1559 if (StrCaseCmp(appData.initialMode, "") == 0) {
1560 initialMode = BeginningOfGame;
1561 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1562 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1563 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1564 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1567 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1568 initialMode = TwoMachinesPlay;
1569 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1570 initialMode = AnalyzeFile;
1571 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1572 initialMode = AnalyzeMode;
1573 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1574 initialMode = MachinePlaysWhite;
1575 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1576 initialMode = MachinePlaysBlack;
1577 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1578 initialMode = EditGame;
1579 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1580 initialMode = EditPosition;
1581 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1582 initialMode = Training;
1584 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1585 if( (len >= MSG_SIZ) && appData.debugMode )
1586 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1588 DisplayFatalError(buf, 0, 2);
1592 if (appData.matchMode) {
1593 if(appData.tourneyFile[0]) { // start tourney from command line
1595 if(f = fopen(appData.tourneyFile, "r")) {
1596 ParseArgsFromFile(f); // make sure tourney parmeters re known
1598 appData.clockMode = TRUE;
1600 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1603 } else if (*appData.cmailGameName != NULLCHAR) {
1604 /* Set up cmail mode */
1605 ReloadCmailMsgEvent(TRUE);
1607 /* Set up other modes */
1608 if (initialMode == AnalyzeFile) {
1609 if (*appData.loadGameFile == NULLCHAR) {
1610 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1614 if (*appData.loadGameFile != NULLCHAR) {
1615 (void) LoadGameFromFile(appData.loadGameFile,
1616 appData.loadGameIndex,
1617 appData.loadGameFile, TRUE);
1618 } else if (*appData.loadPositionFile != NULLCHAR) {
1619 (void) LoadPositionFromFile(appData.loadPositionFile,
1620 appData.loadPositionIndex,
1621 appData.loadPositionFile);
1622 /* [HGM] try to make self-starting even after FEN load */
1623 /* to allow automatic setup of fairy variants with wtm */
1624 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1625 gameMode = BeginningOfGame;
1626 setboardSpoiledMachineBlack = 1;
1628 /* [HGM] loadPos: make that every new game uses the setup */
1629 /* from file as long as we do not switch variant */
1630 if(!blackPlaysFirst) {
1631 startedFromPositionFile = TRUE;
1632 CopyBoard(filePosition, boards[0]);
1635 if (initialMode == AnalyzeMode) {
1636 if (appData.noChessProgram) {
1637 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1640 if (appData.icsActive) {
1641 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1645 } else if (initialMode == AnalyzeFile) {
1646 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1647 ShowThinkingEvent();
1649 AnalysisPeriodicEvent(1);
1650 } else if (initialMode == MachinePlaysWhite) {
1651 if (appData.noChessProgram) {
1652 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1656 if (appData.icsActive) {
1657 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1661 MachineWhiteEvent();
1662 } else if (initialMode == MachinePlaysBlack) {
1663 if (appData.noChessProgram) {
1664 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1668 if (appData.icsActive) {
1669 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1673 MachineBlackEvent();
1674 } else if (initialMode == TwoMachinesPlay) {
1675 if (appData.noChessProgram) {
1676 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1680 if (appData.icsActive) {
1681 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1686 } else if (initialMode == EditGame) {
1688 } else if (initialMode == EditPosition) {
1689 EditPositionEvent();
1690 } else if (initialMode == Training) {
1691 if (*appData.loadGameFile == NULLCHAR) {
1692 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1701 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1703 DisplayBook(current+1);
1705 MoveHistorySet( movelist, first, last, current, pvInfoList );
1707 EvalGraphSet( first, last, current, pvInfoList );
1709 MakeEngineOutputTitle();
1713 * Establish will establish a contact to a remote host.port.
1714 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1715 * used to talk to the host.
1716 * Returns 0 if okay, error code if not.
1723 if (*appData.icsCommPort != NULLCHAR) {
1724 /* Talk to the host through a serial comm port */
1725 return OpenCommPort(appData.icsCommPort, &icsPR);
1727 } else if (*appData.gateway != NULLCHAR) {
1728 if (*appData.remoteShell == NULLCHAR) {
1729 /* Use the rcmd protocol to run telnet program on a gateway host */
1730 snprintf(buf, sizeof(buf), "%s %s %s",
1731 appData.telnetProgram, appData.icsHost, appData.icsPort);
1732 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1735 /* Use the rsh program to run telnet program on a gateway host */
1736 if (*appData.remoteUser == NULLCHAR) {
1737 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1738 appData.gateway, appData.telnetProgram,
1739 appData.icsHost, appData.icsPort);
1741 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1742 appData.remoteShell, appData.gateway,
1743 appData.remoteUser, appData.telnetProgram,
1744 appData.icsHost, appData.icsPort);
1746 return StartChildProcess(buf, "", &icsPR);
1749 } else if (appData.useTelnet) {
1750 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1753 /* TCP socket interface differs somewhat between
1754 Unix and NT; handle details in the front end.
1756 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1761 EscapeExpand (char *p, char *q)
1762 { // [HGM] initstring: routine to shape up string arguments
1763 while(*p++ = *q++) if(p[-1] == '\\')
1765 case 'n': p[-1] = '\n'; break;
1766 case 'r': p[-1] = '\r'; break;
1767 case 't': p[-1] = '\t'; break;
1768 case '\\': p[-1] = '\\'; break;
1769 case 0: *p = 0; return;
1770 default: p[-1] = q[-1]; break;
1775 show_bytes (FILE *fp, char *buf, int count)
1778 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1779 fprintf(fp, "\\%03o", *buf & 0xff);
1788 /* Returns an errno value */
1790 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1792 char buf[8192], *p, *q, *buflim;
1793 int left, newcount, outcount;
1795 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1796 *appData.gateway != NULLCHAR) {
1797 if (appData.debugMode) {
1798 fprintf(debugFP, ">ICS: ");
1799 show_bytes(debugFP, message, count);
1800 fprintf(debugFP, "\n");
1802 return OutputToProcess(pr, message, count, outError);
1805 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1812 if (appData.debugMode) {
1813 fprintf(debugFP, ">ICS: ");
1814 show_bytes(debugFP, buf, newcount);
1815 fprintf(debugFP, "\n");
1817 outcount = OutputToProcess(pr, buf, newcount, outError);
1818 if (outcount < newcount) return -1; /* to be sure */
1825 } else if (((unsigned char) *p) == TN_IAC) {
1826 *q++ = (char) TN_IAC;
1833 if (appData.debugMode) {
1834 fprintf(debugFP, ">ICS: ");
1835 show_bytes(debugFP, buf, newcount);
1836 fprintf(debugFP, "\n");
1838 outcount = OutputToProcess(pr, buf, newcount, outError);
1839 if (outcount < newcount) return -1; /* to be sure */
1844 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1846 int outError, outCount;
1847 static int gotEof = 0;
1850 /* Pass data read from player on to ICS */
1853 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1854 if (outCount < count) {
1855 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1857 if(have_sent_ICS_logon == 2) {
1858 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1859 fprintf(ini, "%s", message);
1860 have_sent_ICS_logon = 3;
1862 have_sent_ICS_logon = 1;
1863 } else if(have_sent_ICS_logon == 3) {
1864 fprintf(ini, "%s", message);
1866 have_sent_ICS_logon = 1;
1868 } else if (count < 0) {
1869 RemoveInputSource(isr);
1870 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1871 } else if (gotEof++ > 0) {
1872 RemoveInputSource(isr);
1873 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1879 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1880 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1881 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1882 SendToICS("date\n");
1883 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1886 /* added routine for printf style output to ics */
1888 ics_printf (char *format, ...)
1890 char buffer[MSG_SIZ];
1893 va_start(args, format);
1894 vsnprintf(buffer, sizeof(buffer), format, args);
1895 buffer[sizeof(buffer)-1] = '\0';
1903 int count, outCount, outError;
1905 if (icsPR == NoProc) return;
1908 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1909 if (outCount < count) {
1910 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1914 /* This is used for sending logon scripts to the ICS. Sending
1915 without a delay causes problems when using timestamp on ICC
1916 (at least on my machine). */
1918 SendToICSDelayed (char *s, long msdelay)
1920 int count, outCount, outError;
1922 if (icsPR == NoProc) return;
1925 if (appData.debugMode) {
1926 fprintf(debugFP, ">ICS: ");
1927 show_bytes(debugFP, s, count);
1928 fprintf(debugFP, "\n");
1930 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1932 if (outCount < count) {
1933 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1938 /* Remove all highlighting escape sequences in s
1939 Also deletes any suffix starting with '('
1942 StripHighlightAndTitle (char *s)
1944 static char retbuf[MSG_SIZ];
1947 while (*s != NULLCHAR) {
1948 while (*s == '\033') {
1949 while (*s != NULLCHAR && !isalpha(*s)) s++;
1950 if (*s != NULLCHAR) s++;
1952 while (*s != NULLCHAR && *s != '\033') {
1953 if (*s == '(' || *s == '[') {
1964 /* Remove all highlighting escape sequences in s */
1966 StripHighlight (char *s)
1968 static char retbuf[MSG_SIZ];
1971 while (*s != NULLCHAR) {
1972 while (*s == '\033') {
1973 while (*s != NULLCHAR && !isalpha(*s)) s++;
1974 if (*s != NULLCHAR) s++;
1976 while (*s != NULLCHAR && *s != '\033') {
1984 char *variantNames[] = VARIANT_NAMES;
1986 VariantName (VariantClass v)
1988 return variantNames[v];
1992 /* Identify a variant from the strings the chess servers use or the
1993 PGN Variant tag names we use. */
1995 StringToVariant (char *e)
1999 VariantClass v = VariantNormal;
2000 int i, found = FALSE;
2006 /* [HGM] skip over optional board-size prefixes */
2007 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2008 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2009 while( *e++ != '_');
2012 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2016 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2017 if (StrCaseStr(e, variantNames[i])) {
2018 v = (VariantClass) i;
2025 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2026 || StrCaseStr(e, "wild/fr")
2027 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2028 v = VariantFischeRandom;
2029 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2030 (i = 1, p = StrCaseStr(e, "w"))) {
2032 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2039 case 0: /* FICS only, actually */
2041 /* Castling legal even if K starts on d-file */
2042 v = VariantWildCastle;
2047 /* Castling illegal even if K & R happen to start in
2048 normal positions. */
2049 v = VariantNoCastle;
2062 /* Castling legal iff K & R start in normal positions */
2068 /* Special wilds for position setup; unclear what to do here */
2069 v = VariantLoadable;
2072 /* Bizarre ICC game */
2073 v = VariantTwoKings;
2076 v = VariantKriegspiel;
2082 v = VariantFischeRandom;
2085 v = VariantCrazyhouse;
2088 v = VariantBughouse;
2094 /* Not quite the same as FICS suicide! */
2095 v = VariantGiveaway;
2101 v = VariantShatranj;
2104 /* Temporary names for future ICC types. The name *will* change in
2105 the next xboard/WinBoard release after ICC defines it. */
2143 v = VariantCapablanca;
2146 v = VariantKnightmate;
2152 v = VariantCylinder;
2158 v = VariantCapaRandom;
2161 v = VariantBerolina;
2173 /* Found "wild" or "w" in the string but no number;
2174 must assume it's normal chess. */
2178 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2179 if( (len >= MSG_SIZ) && appData.debugMode )
2180 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2182 DisplayError(buf, 0);
2188 if (appData.debugMode) {
2189 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2190 e, wnum, VariantName(v));
2195 static int leftover_start = 0, leftover_len = 0;
2196 char star_match[STAR_MATCH_N][MSG_SIZ];
2198 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2199 advance *index beyond it, and set leftover_start to the new value of
2200 *index; else return FALSE. If pattern contains the character '*', it
2201 matches any sequence of characters not containing '\r', '\n', or the
2202 character following the '*' (if any), and the matched sequence(s) are
2203 copied into star_match.
2206 looking_at ( char *buf, int *index, char *pattern)
2208 char *bufp = &buf[*index], *patternp = pattern;
2210 char *matchp = star_match[0];
2213 if (*patternp == NULLCHAR) {
2214 *index = leftover_start = bufp - buf;
2218 if (*bufp == NULLCHAR) return FALSE;
2219 if (*patternp == '*') {
2220 if (*bufp == *(patternp + 1)) {
2222 matchp = star_match[++star_count];
2226 } else if (*bufp == '\n' || *bufp == '\r') {
2228 if (*patternp == NULLCHAR)
2233 *matchp++ = *bufp++;
2237 if (*patternp != *bufp) return FALSE;
2244 SendToPlayer (char *data, int length)
2246 int error, outCount;
2247 outCount = OutputToProcess(NoProc, data, length, &error);
2248 if (outCount < length) {
2249 DisplayFatalError(_("Error writing to display"), error, 1);
2254 PackHolding (char packed[], char *holding)
2264 switch (runlength) {
2275 sprintf(q, "%d", runlength);
2287 /* Telnet protocol requests from the front end */
2289 TelnetRequest (unsigned char ddww, unsigned char option)
2291 unsigned char msg[3];
2292 int outCount, outError;
2294 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2296 if (appData.debugMode) {
2297 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2313 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2322 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2325 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2330 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2332 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2339 if (!appData.icsActive) return;
2340 TelnetRequest(TN_DO, TN_ECHO);
2346 if (!appData.icsActive) return;
2347 TelnetRequest(TN_DONT, TN_ECHO);
2351 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2353 /* put the holdings sent to us by the server on the board holdings area */
2354 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2358 if(gameInfo.holdingsWidth < 2) return;
2359 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2360 return; // prevent overwriting by pre-board holdings
2362 if( (int)lowestPiece >= BlackPawn ) {
2365 holdingsStartRow = BOARD_HEIGHT-1;
2368 holdingsColumn = BOARD_WIDTH-1;
2369 countsColumn = BOARD_WIDTH-2;
2370 holdingsStartRow = 0;
2374 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2375 board[i][holdingsColumn] = EmptySquare;
2376 board[i][countsColumn] = (ChessSquare) 0;
2378 while( (p=*holdings++) != NULLCHAR ) {
2379 piece = CharToPiece( ToUpper(p) );
2380 if(piece == EmptySquare) continue;
2381 /*j = (int) piece - (int) WhitePawn;*/
2382 j = PieceToNumber(piece);
2383 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2384 if(j < 0) continue; /* should not happen */
2385 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2386 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2387 board[holdingsStartRow+j*direction][countsColumn]++;
2393 VariantSwitch (Board board, VariantClass newVariant)
2395 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2396 static Board oldBoard;
2398 startedFromPositionFile = FALSE;
2399 if(gameInfo.variant == newVariant) return;
2401 /* [HGM] This routine is called each time an assignment is made to
2402 * gameInfo.variant during a game, to make sure the board sizes
2403 * are set to match the new variant. If that means adding or deleting
2404 * holdings, we shift the playing board accordingly
2405 * This kludge is needed because in ICS observe mode, we get boards
2406 * of an ongoing game without knowing the variant, and learn about the
2407 * latter only later. This can be because of the move list we requested,
2408 * in which case the game history is refilled from the beginning anyway,
2409 * but also when receiving holdings of a crazyhouse game. In the latter
2410 * case we want to add those holdings to the already received position.
2414 if (appData.debugMode) {
2415 fprintf(debugFP, "Switch board from %s to %s\n",
2416 VariantName(gameInfo.variant), VariantName(newVariant));
2417 setbuf(debugFP, NULL);
2419 shuffleOpenings = 0; /* [HGM] shuffle */
2420 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2424 newWidth = 9; newHeight = 9;
2425 gameInfo.holdingsSize = 7;
2426 case VariantBughouse:
2427 case VariantCrazyhouse:
2428 newHoldingsWidth = 2; break;
2432 newHoldingsWidth = 2;
2433 gameInfo.holdingsSize = 8;
2436 case VariantCapablanca:
2437 case VariantCapaRandom:
2440 newHoldingsWidth = gameInfo.holdingsSize = 0;
2443 if(newWidth != gameInfo.boardWidth ||
2444 newHeight != gameInfo.boardHeight ||
2445 newHoldingsWidth != gameInfo.holdingsWidth ) {
2447 /* shift position to new playing area, if needed */
2448 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2449 for(i=0; i<BOARD_HEIGHT; i++)
2450 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2451 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2453 for(i=0; i<newHeight; i++) {
2454 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2455 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2457 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2458 for(i=0; i<BOARD_HEIGHT; i++)
2459 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2460 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2463 board[HOLDINGS_SET] = 0;
2464 gameInfo.boardWidth = newWidth;
2465 gameInfo.boardHeight = newHeight;
2466 gameInfo.holdingsWidth = newHoldingsWidth;
2467 gameInfo.variant = newVariant;
2468 InitDrawingSizes(-2, 0);
2469 } else gameInfo.variant = newVariant;
2470 CopyBoard(oldBoard, board); // remember correctly formatted board
2471 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2472 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2475 static int loggedOn = FALSE;
2477 /*-- Game start info cache: --*/
2479 char gs_kind[MSG_SIZ];
2480 static char player1Name[128] = "";
2481 static char player2Name[128] = "";
2482 static char cont_seq[] = "\n\\ ";
2483 static int player1Rating = -1;
2484 static int player2Rating = -1;
2485 /*----------------------------*/
2487 ColorClass curColor = ColorNormal;
2488 int suppressKibitz = 0;
2491 Boolean soughtPending = FALSE;
2492 Boolean seekGraphUp;
2493 #define MAX_SEEK_ADS 200
2495 char *seekAdList[MAX_SEEK_ADS];
2496 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2497 float tcList[MAX_SEEK_ADS];
2498 char colorList[MAX_SEEK_ADS];
2499 int nrOfSeekAds = 0;
2500 int minRating = 1010, maxRating = 2800;
2501 int hMargin = 10, vMargin = 20, h, w;
2502 extern int squareSize, lineGap;
2507 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2508 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2509 if(r < minRating+100 && r >=0 ) r = minRating+100;
2510 if(r > maxRating) r = maxRating;
2511 if(tc < 1.f) tc = 1.f;
2512 if(tc > 95.f) tc = 95.f;
2513 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2514 y = ((double)r - minRating)/(maxRating - minRating)
2515 * (h-vMargin-squareSize/8-1) + vMargin;
2516 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2517 if(strstr(seekAdList[i], " u ")) color = 1;
2518 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2519 !strstr(seekAdList[i], "bullet") &&
2520 !strstr(seekAdList[i], "blitz") &&
2521 !strstr(seekAdList[i], "standard") ) color = 2;
2522 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2523 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2527 PlotSingleSeekAd (int i)
2533 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2535 char buf[MSG_SIZ], *ext = "";
2536 VariantClass v = StringToVariant(type);
2537 if(strstr(type, "wild")) {
2538 ext = type + 4; // append wild number
2539 if(v == VariantFischeRandom) type = "chess960"; else
2540 if(v == VariantLoadable) type = "setup"; else
2541 type = VariantName(v);
2543 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2544 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2545 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2546 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2547 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2548 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2549 seekNrList[nrOfSeekAds] = nr;
2550 zList[nrOfSeekAds] = 0;
2551 seekAdList[nrOfSeekAds++] = StrSave(buf);
2552 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2557 EraseSeekDot (int i)
2559 int x = xList[i], y = yList[i], d=squareSize/4, k;
2560 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2561 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2562 // now replot every dot that overlapped
2563 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2564 int xx = xList[k], yy = yList[k];
2565 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2566 DrawSeekDot(xx, yy, colorList[k]);
2571 RemoveSeekAd (int nr)
2574 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2576 if(seekAdList[i]) free(seekAdList[i]);
2577 seekAdList[i] = seekAdList[--nrOfSeekAds];
2578 seekNrList[i] = seekNrList[nrOfSeekAds];
2579 ratingList[i] = ratingList[nrOfSeekAds];
2580 colorList[i] = colorList[nrOfSeekAds];
2581 tcList[i] = tcList[nrOfSeekAds];
2582 xList[i] = xList[nrOfSeekAds];
2583 yList[i] = yList[nrOfSeekAds];
2584 zList[i] = zList[nrOfSeekAds];
2585 seekAdList[nrOfSeekAds] = NULL;
2591 MatchSoughtLine (char *line)
2593 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2594 int nr, base, inc, u=0; char dummy;
2596 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2597 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2599 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2600 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2601 // match: compact and save the line
2602 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2612 if(!seekGraphUp) return FALSE;
2613 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2614 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2616 DrawSeekBackground(0, 0, w, h);
2617 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2618 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2619 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2620 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2622 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2625 snprintf(buf, MSG_SIZ, "%d", i);
2626 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2629 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2630 for(i=1; i<100; i+=(i<10?1:5)) {
2631 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2632 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2633 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2635 snprintf(buf, MSG_SIZ, "%d", i);
2636 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2639 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2644 SeekGraphClick (ClickType click, int x, int y, int moving)
2646 static int lastDown = 0, displayed = 0, lastSecond;
2647 if(y < 0) return FALSE;
2648 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2649 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2650 if(!seekGraphUp) return FALSE;
2651 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2652 DrawPosition(TRUE, NULL);
2655 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2656 if(click == Release || moving) return FALSE;
2658 soughtPending = TRUE;
2659 SendToICS(ics_prefix);
2660 SendToICS("sought\n"); // should this be "sought all"?
2661 } else { // issue challenge based on clicked ad
2662 int dist = 10000; int i, closest = 0, second = 0;
2663 for(i=0; i<nrOfSeekAds; i++) {
2664 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2665 if(d < dist) { dist = d; closest = i; }
2666 second += (d - zList[i] < 120); // count in-range ads
2667 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2671 second = (second > 1);
2672 if(displayed != closest || second != lastSecond) {
2673 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2674 lastSecond = second; displayed = closest;
2676 if(click == Press) {
2677 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2680 } // on press 'hit', only show info
2681 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2682 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2683 SendToICS(ics_prefix);
2685 return TRUE; // let incoming board of started game pop down the graph
2686 } else if(click == Release) { // release 'miss' is ignored
2687 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2688 if(moving == 2) { // right up-click
2689 nrOfSeekAds = 0; // refresh graph
2690 soughtPending = TRUE;
2691 SendToICS(ics_prefix);
2692 SendToICS("sought\n"); // should this be "sought all"?
2695 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2696 // press miss or release hit 'pop down' seek graph
2697 seekGraphUp = FALSE;
2698 DrawPosition(TRUE, NULL);
2704 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2706 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2707 #define STARTED_NONE 0
2708 #define STARTED_MOVES 1
2709 #define STARTED_BOARD 2
2710 #define STARTED_OBSERVE 3
2711 #define STARTED_HOLDINGS 4
2712 #define STARTED_CHATTER 5
2713 #define STARTED_COMMENT 6
2714 #define STARTED_MOVES_NOHIDE 7
2716 static int started = STARTED_NONE;
2717 static char parse[20000];
2718 static int parse_pos = 0;
2719 static char buf[BUF_SIZE + 1];
2720 static int firstTime = TRUE, intfSet = FALSE;
2721 static ColorClass prevColor = ColorNormal;
2722 static int savingComment = FALSE;
2723 static int cmatch = 0; // continuation sequence match
2730 int backup; /* [DM] For zippy color lines */
2732 char talker[MSG_SIZ]; // [HGM] chat
2735 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2737 if (appData.debugMode) {
2739 fprintf(debugFP, "<ICS: ");
2740 show_bytes(debugFP, data, count);
2741 fprintf(debugFP, "\n");
2745 if (appData.debugMode) { int f = forwardMostMove;
2746 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2747 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2748 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2751 /* If last read ended with a partial line that we couldn't parse,
2752 prepend it to the new read and try again. */
2753 if (leftover_len > 0) {
2754 for (i=0; i<leftover_len; i++)
2755 buf[i] = buf[leftover_start + i];
2758 /* copy new characters into the buffer */
2759 bp = buf + leftover_len;
2760 buf_len=leftover_len;
2761 for (i=0; i<count; i++)
2764 if (data[i] == '\r')
2767 // join lines split by ICS?
2768 if (!appData.noJoin)
2771 Joining just consists of finding matches against the
2772 continuation sequence, and discarding that sequence
2773 if found instead of copying it. So, until a match
2774 fails, there's nothing to do since it might be the
2775 complete sequence, and thus, something we don't want
2778 if (data[i] == cont_seq[cmatch])
2781 if (cmatch == strlen(cont_seq))
2783 cmatch = 0; // complete match. just reset the counter
2786 it's possible for the ICS to not include the space
2787 at the end of the last word, making our [correct]
2788 join operation fuse two separate words. the server
2789 does this when the space occurs at the width setting.
2791 if (!buf_len || buf[buf_len-1] != ' ')
2802 match failed, so we have to copy what matched before
2803 falling through and copying this character. In reality,
2804 this will only ever be just the newline character, but
2805 it doesn't hurt to be precise.
2807 strncpy(bp, cont_seq, cmatch);
2819 buf[buf_len] = NULLCHAR;
2820 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2825 while (i < buf_len) {
2826 /* Deal with part of the TELNET option negotiation
2827 protocol. We refuse to do anything beyond the
2828 defaults, except that we allow the WILL ECHO option,
2829 which ICS uses to turn off password echoing when we are
2830 directly connected to it. We reject this option
2831 if localLineEditing mode is on (always on in xboard)
2832 and we are talking to port 23, which might be a real
2833 telnet server that will try to keep WILL ECHO on permanently.
2835 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2836 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2837 unsigned char option;
2839 switch ((unsigned char) buf[++i]) {
2841 if (appData.debugMode)
2842 fprintf(debugFP, "\n<WILL ");
2843 switch (option = (unsigned char) buf[++i]) {
2845 if (appData.debugMode)
2846 fprintf(debugFP, "ECHO ");
2847 /* Reply only if this is a change, according
2848 to the protocol rules. */
2849 if (remoteEchoOption) break;
2850 if (appData.localLineEditing &&
2851 atoi(appData.icsPort) == TN_PORT) {
2852 TelnetRequest(TN_DONT, TN_ECHO);
2855 TelnetRequest(TN_DO, TN_ECHO);
2856 remoteEchoOption = TRUE;
2860 if (appData.debugMode)
2861 fprintf(debugFP, "%d ", option);
2862 /* Whatever this is, we don't want it. */
2863 TelnetRequest(TN_DONT, option);
2868 if (appData.debugMode)
2869 fprintf(debugFP, "\n<WONT ");
2870 switch (option = (unsigned char) buf[++i]) {
2872 if (appData.debugMode)
2873 fprintf(debugFP, "ECHO ");
2874 /* Reply only if this is a change, according
2875 to the protocol rules. */
2876 if (!remoteEchoOption) break;
2878 TelnetRequest(TN_DONT, TN_ECHO);
2879 remoteEchoOption = FALSE;
2882 if (appData.debugMode)
2883 fprintf(debugFP, "%d ", (unsigned char) option);
2884 /* Whatever this is, it must already be turned
2885 off, because we never agree to turn on
2886 anything non-default, so according to the
2887 protocol rules, we don't reply. */
2892 if (appData.debugMode)
2893 fprintf(debugFP, "\n<DO ");
2894 switch (option = (unsigned char) buf[++i]) {
2896 /* Whatever this is, we refuse to do it. */
2897 if (appData.debugMode)
2898 fprintf(debugFP, "%d ", option);
2899 TelnetRequest(TN_WONT, option);
2904 if (appData.debugMode)
2905 fprintf(debugFP, "\n<DONT ");
2906 switch (option = (unsigned char) buf[++i]) {
2908 if (appData.debugMode)
2909 fprintf(debugFP, "%d ", option);
2910 /* Whatever this is, we are already not doing
2911 it, because we never agree to do anything
2912 non-default, so according to the protocol
2913 rules, we don't reply. */
2918 if (appData.debugMode)
2919 fprintf(debugFP, "\n<IAC ");
2920 /* Doubled IAC; pass it through */
2924 if (appData.debugMode)
2925 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2926 /* Drop all other telnet commands on the floor */
2929 if (oldi > next_out)
2930 SendToPlayer(&buf[next_out], oldi - next_out);
2936 /* OK, this at least will *usually* work */
2937 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2941 if (loggedOn && !intfSet) {
2942 if (ics_type == ICS_ICC) {
2943 snprintf(str, MSG_SIZ,
2944 "/set-quietly interface %s\n/set-quietly style 12\n",
2946 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2947 strcat(str, "/set-2 51 1\n/set seek 1\n");
2948 } else if (ics_type == ICS_CHESSNET) {
2949 snprintf(str, MSG_SIZ, "/style 12\n");
2951 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2952 strcat(str, programVersion);
2953 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2954 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2955 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2957 strcat(str, "$iset nohighlight 1\n");
2959 strcat(str, "$iset lock 1\n$style 12\n");
2962 NotifyFrontendLogin();
2966 if (started == STARTED_COMMENT) {
2967 /* Accumulate characters in comment */
2968 parse[parse_pos++] = buf[i];
2969 if (buf[i] == '\n') {
2970 parse[parse_pos] = NULLCHAR;
2971 if(chattingPartner>=0) {
2973 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2974 OutputChatMessage(chattingPartner, mess);
2975 chattingPartner = -1;
2976 next_out = i+1; // [HGM] suppress printing in ICS window
2978 if(!suppressKibitz) // [HGM] kibitz
2979 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2980 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2981 int nrDigit = 0, nrAlph = 0, j;
2982 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2983 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2984 parse[parse_pos] = NULLCHAR;
2985 // try to be smart: if it does not look like search info, it should go to
2986 // ICS interaction window after all, not to engine-output window.
2987 for(j=0; j<parse_pos; j++) { // count letters and digits
2988 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2989 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2990 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2992 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2993 int depth=0; float score;
2994 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2995 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2996 pvInfoList[forwardMostMove-1].depth = depth;
2997 pvInfoList[forwardMostMove-1].score = 100*score;
2999 OutputKibitz(suppressKibitz, parse);
3002 if(gameMode == IcsObserving) // restore original ICS messages
3003 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3005 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3006 SendToPlayer(tmp, strlen(tmp));
3008 next_out = i+1; // [HGM] suppress printing in ICS window
3010 started = STARTED_NONE;
3012 /* Don't match patterns against characters in comment */
3017 if (started == STARTED_CHATTER) {
3018 if (buf[i] != '\n') {
3019 /* Don't match patterns against characters in chatter */
3023 started = STARTED_NONE;
3024 if(suppressKibitz) next_out = i+1;
3027 /* Kludge to deal with rcmd protocol */
3028 if (firstTime && looking_at(buf, &i, "\001*")) {
3029 DisplayFatalError(&buf[1], 0, 1);
3035 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3038 if (appData.debugMode)
3039 fprintf(debugFP, "ics_type %d\n", ics_type);
3042 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3043 ics_type = ICS_FICS;
3045 if (appData.debugMode)
3046 fprintf(debugFP, "ics_type %d\n", ics_type);
3049 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3050 ics_type = ICS_CHESSNET;
3052 if (appData.debugMode)
3053 fprintf(debugFP, "ics_type %d\n", ics_type);
3058 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3059 looking_at(buf, &i, "Logging you in as \"*\"") ||
3060 looking_at(buf, &i, "will be \"*\""))) {
3061 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3065 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3067 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3068 DisplayIcsInteractionTitle(buf);
3069 have_set_title = TRUE;
3072 /* skip finger notes */
3073 if (started == STARTED_NONE &&
3074 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3075 (buf[i] == '1' && buf[i+1] == '0')) &&
3076 buf[i+2] == ':' && buf[i+3] == ' ') {
3077 started = STARTED_CHATTER;
3083 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3084 if(appData.seekGraph) {
3085 if(soughtPending && MatchSoughtLine(buf+i)) {
3086 i = strstr(buf+i, "rated") - buf;
3087 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3088 next_out = leftover_start = i;
3089 started = STARTED_CHATTER;
3090 suppressKibitz = TRUE;
3093 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3094 && looking_at(buf, &i, "* ads displayed")) {
3095 soughtPending = FALSE;
3100 if(appData.autoRefresh) {
3101 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3102 int s = (ics_type == ICS_ICC); // ICC format differs
3104 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3105 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3106 looking_at(buf, &i, "*% "); // eat prompt
3107 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3108 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3109 next_out = i; // suppress
3112 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3113 char *p = star_match[0];
3115 if(seekGraphUp) RemoveSeekAd(atoi(p));
3116 while(*p && *p++ != ' '); // next
3118 looking_at(buf, &i, "*% "); // eat prompt
3119 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3126 /* skip formula vars */
3127 if (started == STARTED_NONE &&
3128 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3129 started = STARTED_CHATTER;
3134 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3135 if (appData.autoKibitz && started == STARTED_NONE &&
3136 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3137 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3138 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3139 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3140 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3141 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3142 suppressKibitz = TRUE;
3143 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3145 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3146 && (gameMode == IcsPlayingWhite)) ||
3147 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3148 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3149 started = STARTED_CHATTER; // own kibitz we simply discard
3151 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3152 parse_pos = 0; parse[0] = NULLCHAR;
3153 savingComment = TRUE;
3154 suppressKibitz = gameMode != IcsObserving ? 2 :
3155 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3159 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3160 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3161 && atoi(star_match[0])) {
3162 // suppress the acknowledgements of our own autoKibitz
3164 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3165 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3166 SendToPlayer(star_match[0], strlen(star_match[0]));
3167 if(looking_at(buf, &i, "*% ")) // eat prompt
3168 suppressKibitz = FALSE;
3172 } // [HGM] kibitz: end of patch
3174 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3176 // [HGM] chat: intercept tells by users for which we have an open chat window
3178 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3179 looking_at(buf, &i, "* whispers:") ||
3180 looking_at(buf, &i, "* kibitzes:") ||
3181 looking_at(buf, &i, "* shouts:") ||
3182 looking_at(buf, &i, "* c-shouts:") ||
3183 looking_at(buf, &i, "--> * ") ||
3184 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3185 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3186 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3187 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3189 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3190 chattingPartner = -1;
3192 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3193 for(p=0; p<MAX_CHAT; p++) {
3194 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3195 talker[0] = '['; strcat(talker, "] ");
3196 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3197 chattingPartner = p; break;
3200 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3201 for(p=0; p<MAX_CHAT; p++) {
3202 if(!strcmp("kibitzes", chatPartner[p])) {
3203 talker[0] = '['; strcat(talker, "] ");
3204 chattingPartner = p; break;
3207 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3208 for(p=0; p<MAX_CHAT; p++) {
3209 if(!strcmp("whispers", chatPartner[p])) {
3210 talker[0] = '['; strcat(talker, "] ");
3211 chattingPartner = p; break;
3214 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3215 if(buf[i-8] == '-' && buf[i-3] == 't')
3216 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3217 if(!strcmp("c-shouts", chatPartner[p])) {
3218 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3219 chattingPartner = p; break;
3222 if(chattingPartner < 0)
3223 for(p=0; p<MAX_CHAT; p++) {
3224 if(!strcmp("shouts", chatPartner[p])) {
3225 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3226 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3227 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3228 chattingPartner = p; break;
3232 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3233 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3234 talker[0] = 0; Colorize(ColorTell, FALSE);
3235 chattingPartner = p; break;
3237 if(chattingPartner<0) i = oldi; else {
3238 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3239 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3240 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3241 started = STARTED_COMMENT;
3242 parse_pos = 0; parse[0] = NULLCHAR;
3243 savingComment = 3 + chattingPartner; // counts as TRUE
3244 suppressKibitz = TRUE;
3247 } // [HGM] chat: end of patch
3250 if (appData.zippyTalk || appData.zippyPlay) {
3251 /* [DM] Backup address for color zippy lines */
3253 if (loggedOn == TRUE)
3254 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3255 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3257 } // [DM] 'else { ' deleted
3259 /* Regular tells and says */
3260 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3261 looking_at(buf, &i, "* (your partner) tells you: ") ||
3262 looking_at(buf, &i, "* says: ") ||
3263 /* Don't color "message" or "messages" output */
3264 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3265 looking_at(buf, &i, "*. * at *:*: ") ||
3266 looking_at(buf, &i, "--* (*:*): ") ||
3267 /* Message notifications (same color as tells) */
3268 looking_at(buf, &i, "* has left a message ") ||
3269 looking_at(buf, &i, "* just sent you a message:\n") ||
3270 /* Whispers and kibitzes */
3271 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3272 looking_at(buf, &i, "* kibitzes: ") ||
3274 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3276 if (tkind == 1 && strchr(star_match[0], ':')) {
3277 /* Avoid "tells you:" spoofs in channels */
3280 if (star_match[0][0] == NULLCHAR ||
3281 strchr(star_match[0], ' ') ||
3282 (tkind == 3 && strchr(star_match[1], ' '))) {
3283 /* Reject bogus matches */
3286 if (appData.colorize) {
3287 if (oldi > next_out) {
3288 SendToPlayer(&buf[next_out], oldi - next_out);
3293 Colorize(ColorTell, FALSE);
3294 curColor = ColorTell;
3297 Colorize(ColorKibitz, FALSE);
3298 curColor = ColorKibitz;
3301 p = strrchr(star_match[1], '(');
3308 Colorize(ColorChannel1, FALSE);
3309 curColor = ColorChannel1;
3311 Colorize(ColorChannel, FALSE);
3312 curColor = ColorChannel;
3316 curColor = ColorNormal;
3320 if (started == STARTED_NONE && appData.autoComment &&
3321 (gameMode == IcsObserving ||
3322 gameMode == IcsPlayingWhite ||
3323 gameMode == IcsPlayingBlack)) {
3324 parse_pos = i - oldi;
3325 memcpy(parse, &buf[oldi], parse_pos);
3326 parse[parse_pos] = NULLCHAR;
3327 started = STARTED_COMMENT;
3328 savingComment = TRUE;
3330 started = STARTED_CHATTER;
3331 savingComment = FALSE;
3338 if (looking_at(buf, &i, "* s-shouts: ") ||
3339 looking_at(buf, &i, "* c-shouts: ")) {
3340 if (appData.colorize) {
3341 if (oldi > next_out) {
3342 SendToPlayer(&buf[next_out], oldi - next_out);
3345 Colorize(ColorSShout, FALSE);
3346 curColor = ColorSShout;
3349 started = STARTED_CHATTER;
3353 if (looking_at(buf, &i, "--->")) {
3358 if (looking_at(buf, &i, "* shouts: ") ||
3359 looking_at(buf, &i, "--> ")) {
3360 if (appData.colorize) {
3361 if (oldi > next_out) {
3362 SendToPlayer(&buf[next_out], oldi - next_out);
3365 Colorize(ColorShout, FALSE);
3366 curColor = ColorShout;
3369 started = STARTED_CHATTER;
3373 if (looking_at( buf, &i, "Challenge:")) {
3374 if (appData.colorize) {
3375 if (oldi > next_out) {
3376 SendToPlayer(&buf[next_out], oldi - next_out);
3379 Colorize(ColorChallenge, FALSE);
3380 curColor = ColorChallenge;
3386 if (looking_at(buf, &i, "* offers you") ||
3387 looking_at(buf, &i, "* offers to be") ||
3388 looking_at(buf, &i, "* would like to") ||
3389 looking_at(buf, &i, "* requests to") ||
3390 looking_at(buf, &i, "Your opponent offers") ||
3391 looking_at(buf, &i, "Your opponent requests")) {
3393 if (appData.colorize) {
3394 if (oldi > next_out) {
3395 SendToPlayer(&buf[next_out], oldi - next_out);
3398 Colorize(ColorRequest, FALSE);
3399 curColor = ColorRequest;
3404 if (looking_at(buf, &i, "* (*) seeking")) {
3405 if (appData.colorize) {
3406 if (oldi > next_out) {
3407 SendToPlayer(&buf[next_out], oldi - next_out);
3410 Colorize(ColorSeek, FALSE);
3411 curColor = ColorSeek;
3416 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3418 if (looking_at(buf, &i, "\\ ")) {
3419 if (prevColor != ColorNormal) {
3420 if (oldi > next_out) {
3421 SendToPlayer(&buf[next_out], oldi - next_out);
3424 Colorize(prevColor, TRUE);
3425 curColor = prevColor;
3427 if (savingComment) {
3428 parse_pos = i - oldi;
3429 memcpy(parse, &buf[oldi], parse_pos);
3430 parse[parse_pos] = NULLCHAR;
3431 started = STARTED_COMMENT;
3432 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3433 chattingPartner = savingComment - 3; // kludge to remember the box
3435 started = STARTED_CHATTER;
3440 if (looking_at(buf, &i, "Black Strength :") ||
3441 looking_at(buf, &i, "<<< style 10 board >>>") ||
3442 looking_at(buf, &i, "<10>") ||
3443 looking_at(buf, &i, "#@#")) {
3444 /* Wrong board style */
3446 SendToICS(ics_prefix);
3447 SendToICS("set style 12\n");
3448 SendToICS(ics_prefix);
3449 SendToICS("refresh\n");
3453 if (looking_at(buf, &i, "login:")) {
3454 if (!have_sent_ICS_logon) {
3456 have_sent_ICS_logon = 1;
3457 else // no init script was found
3458 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3459 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3460 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3465 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3466 (looking_at(buf, &i, "\n<12> ") ||
3467 looking_at(buf, &i, "<12> "))) {
3469 if (oldi > next_out) {
3470 SendToPlayer(&buf[next_out], oldi - next_out);
3473 started = STARTED_BOARD;
3478 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3479 looking_at(buf, &i, "<b1> ")) {
3480 if (oldi > next_out) {
3481 SendToPlayer(&buf[next_out], oldi - next_out);
3484 started = STARTED_HOLDINGS;
3489 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3491 /* Header for a move list -- first line */
3493 switch (ics_getting_history) {
3497 case BeginningOfGame:
3498 /* User typed "moves" or "oldmoves" while we
3499 were idle. Pretend we asked for these
3500 moves and soak them up so user can step
3501 through them and/or save them.
3504 gameMode = IcsObserving;
3507 ics_getting_history = H_GOT_UNREQ_HEADER;
3509 case EditGame: /*?*/
3510 case EditPosition: /*?*/
3511 /* Should above feature work in these modes too? */
3512 /* For now it doesn't */
3513 ics_getting_history = H_GOT_UNWANTED_HEADER;
3516 ics_getting_history = H_GOT_UNWANTED_HEADER;
3521 /* Is this the right one? */
3522 if (gameInfo.white && gameInfo.black &&
3523 strcmp(gameInfo.white, star_match[0]) == 0 &&
3524 strcmp(gameInfo.black, star_match[2]) == 0) {
3526 ics_getting_history = H_GOT_REQ_HEADER;
3529 case H_GOT_REQ_HEADER:
3530 case H_GOT_UNREQ_HEADER:
3531 case H_GOT_UNWANTED_HEADER:
3532 case H_GETTING_MOVES:
3533 /* Should not happen */
3534 DisplayError(_("Error gathering move list: two headers"), 0);
3535 ics_getting_history = H_FALSE;
3539 /* Save player ratings into gameInfo if needed */
3540 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3541 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3542 (gameInfo.whiteRating == -1 ||
3543 gameInfo.blackRating == -1)) {
3545 gameInfo.whiteRating = string_to_rating(star_match[1]);
3546 gameInfo.blackRating = string_to_rating(star_match[3]);
3547 if (appData.debugMode)
3548 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3549 gameInfo.whiteRating, gameInfo.blackRating);
3554 if (looking_at(buf, &i,
3555 "* * match, initial time: * minute*, increment: * second")) {
3556 /* Header for a move list -- second line */
3557 /* Initial board will follow if this is a wild game */
3558 if (gameInfo.event != NULL) free(gameInfo.event);
3559 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3560 gameInfo.event = StrSave(str);
3561 /* [HGM] we switched variant. Translate boards if needed. */
3562 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3566 if (looking_at(buf, &i, "Move ")) {
3567 /* Beginning of a move list */
3568 switch (ics_getting_history) {
3570 /* Normally should not happen */
3571 /* Maybe user hit reset while we were parsing */
3574 /* Happens if we are ignoring a move list that is not
3575 * the one we just requested. Common if the user
3576 * tries to observe two games without turning off
3579 case H_GETTING_MOVES:
3580 /* Should not happen */
3581 DisplayError(_("Error gathering move list: nested"), 0);
3582 ics_getting_history = H_FALSE;
3584 case H_GOT_REQ_HEADER:
3585 ics_getting_history = H_GETTING_MOVES;
3586 started = STARTED_MOVES;
3588 if (oldi > next_out) {
3589 SendToPlayer(&buf[next_out], oldi - next_out);
3592 case H_GOT_UNREQ_HEADER:
3593 ics_getting_history = H_GETTING_MOVES;
3594 started = STARTED_MOVES_NOHIDE;
3597 case H_GOT_UNWANTED_HEADER:
3598 ics_getting_history = H_FALSE;
3604 if (looking_at(buf, &i, "% ") ||
3605 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3606 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3607 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3608 soughtPending = FALSE;
3612 if(suppressKibitz) next_out = i;
3613 savingComment = FALSE;
3617 case STARTED_MOVES_NOHIDE:
3618 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3619 parse[parse_pos + i - oldi] = NULLCHAR;
3620 ParseGameHistory(parse);
3622 if (appData.zippyPlay && first.initDone) {
3623 FeedMovesToProgram(&first, forwardMostMove);
3624 if (gameMode == IcsPlayingWhite) {
3625 if (WhiteOnMove(forwardMostMove)) {
3626 if (first.sendTime) {
3627 if (first.useColors) {
3628 SendToProgram("black\n", &first);
3630 SendTimeRemaining(&first, TRUE);
3632 if (first.useColors) {
3633 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3635 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3636 first.maybeThinking = TRUE;
3638 if (first.usePlayother) {
3639 if (first.sendTime) {
3640 SendTimeRemaining(&first, TRUE);
3642 SendToProgram("playother\n", &first);
3648 } else if (gameMode == IcsPlayingBlack) {
3649 if (!WhiteOnMove(forwardMostMove)) {
3650 if (first.sendTime) {
3651 if (first.useColors) {
3652 SendToProgram("white\n", &first);
3654 SendTimeRemaining(&first, FALSE);
3656 if (first.useColors) {
3657 SendToProgram("black\n", &first);
3659 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3660 first.maybeThinking = TRUE;
3662 if (first.usePlayother) {
3663 if (first.sendTime) {
3664 SendTimeRemaining(&first, FALSE);
3666 SendToProgram("playother\n", &first);
3675 if (gameMode == IcsObserving && ics_gamenum == -1) {
3676 /* Moves came from oldmoves or moves command
3677 while we weren't doing anything else.
3679 currentMove = forwardMostMove;
3680 ClearHighlights();/*!!could figure this out*/
3681 flipView = appData.flipView;
3682 DrawPosition(TRUE, boards[currentMove]);
3683 DisplayBothClocks();
3684 snprintf(str, MSG_SIZ, "%s %s %s",
3685 gameInfo.white, _("vs."), gameInfo.black);
3689 /* Moves were history of an active game */
3690 if (gameInfo.resultDetails != NULL) {
3691 free(gameInfo.resultDetails);
3692 gameInfo.resultDetails = NULL;
3695 HistorySet(parseList, backwardMostMove,
3696 forwardMostMove, currentMove-1);
3697 DisplayMove(currentMove - 1);
3698 if (started == STARTED_MOVES) next_out = i;
3699 started = STARTED_NONE;
3700 ics_getting_history = H_FALSE;
3703 case STARTED_OBSERVE:
3704 started = STARTED_NONE;
3705 SendToICS(ics_prefix);
3706 SendToICS("refresh\n");
3712 if(bookHit) { // [HGM] book: simulate book reply
3713 static char bookMove[MSG_SIZ]; // a bit generous?
3715 programStats.nodes = programStats.depth = programStats.time =
3716 programStats.score = programStats.got_only_move = 0;
3717 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3719 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3720 strcat(bookMove, bookHit);
3721 HandleMachineMove(bookMove, &first);
3726 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3727 started == STARTED_HOLDINGS ||
3728 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3729 /* Accumulate characters in move list or board */
3730 parse[parse_pos++] = buf[i];
3733 /* Start of game messages. Mostly we detect start of game
3734 when the first board image arrives. On some versions
3735 of the ICS, though, we need to do a "refresh" after starting
3736 to observe in order to get the current board right away. */
3737 if (looking_at(buf, &i, "Adding game * to observation list")) {
3738 started = STARTED_OBSERVE;
3742 /* Handle auto-observe */
3743 if (appData.autoObserve &&
3744 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3745 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3747 /* Choose the player that was highlighted, if any. */
3748 if (star_match[0][0] == '\033' ||
3749 star_match[1][0] != '\033') {
3750 player = star_match[0];
3752 player = star_match[2];
3754 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3755 ics_prefix, StripHighlightAndTitle(player));
3758 /* Save ratings from notify string */
3759 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3760 player1Rating = string_to_rating(star_match[1]);
3761 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3762 player2Rating = string_to_rating(star_match[3]);
3764 if (appData.debugMode)
3766 "Ratings from 'Game notification:' %s %d, %s %d\n",
3767 player1Name, player1Rating,
3768 player2Name, player2Rating);
3773 /* Deal with automatic examine mode after a game,
3774 and with IcsObserving -> IcsExamining transition */
3775 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3776 looking_at(buf, &i, "has made you an examiner of game *")) {
3778 int gamenum = atoi(star_match[0]);
3779 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3780 gamenum == ics_gamenum) {
3781 /* We were already playing or observing this game;
3782 no need to refetch history */
3783 gameMode = IcsExamining;
3785 pauseExamForwardMostMove = forwardMostMove;
3786 } else if (currentMove < forwardMostMove) {
3787 ForwardInner(forwardMostMove);
3790 /* I don't think this case really can happen */
3791 SendToICS(ics_prefix);
3792 SendToICS("refresh\n");
3797 /* Error messages */
3798 // if (ics_user_moved) {
3799 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3800 if (looking_at(buf, &i, "Illegal move") ||
3801 looking_at(buf, &i, "Not a legal move") ||
3802 looking_at(buf, &i, "Your king is in check") ||
3803 looking_at(buf, &i, "It isn't your turn") ||
3804 looking_at(buf, &i, "It is not your move")) {
3806 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3807 currentMove = forwardMostMove-1;
3808 DisplayMove(currentMove - 1); /* before DMError */
3809 DrawPosition(FALSE, boards[currentMove]);
3810 SwitchClocks(forwardMostMove-1); // [HGM] race
3811 DisplayBothClocks();
3813 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3819 if (looking_at(buf, &i, "still have time") ||
3820 looking_at(buf, &i, "not out of time") ||
3821 looking_at(buf, &i, "either player is out of time") ||
3822 looking_at(buf, &i, "has timeseal; checking")) {
3823 /* We must have called his flag a little too soon */
3824 whiteFlag = blackFlag = FALSE;
3828 if (looking_at(buf, &i, "added * seconds to") ||
3829 looking_at(buf, &i, "seconds were added to")) {
3830 /* Update the clocks */
3831 SendToICS(ics_prefix);
3832 SendToICS("refresh\n");
3836 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3837 ics_clock_paused = TRUE;
3842 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3843 ics_clock_paused = FALSE;
3848 /* Grab player ratings from the Creating: message.
3849 Note we have to check for the special case when
3850 the ICS inserts things like [white] or [black]. */
3851 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3852 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3854 0 player 1 name (not necessarily white)
3856 2 empty, white, or black (IGNORED)
3857 3 player 2 name (not necessarily black)
3860 The names/ratings are sorted out when the game
3861 actually starts (below).
3863 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3864 player1Rating = string_to_rating(star_match[1]);
3865 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3866 player2Rating = string_to_rating(star_match[4]);
3868 if (appData.debugMode)
3870 "Ratings from 'Creating:' %s %d, %s %d\n",
3871 player1Name, player1Rating,
3872 player2Name, player2Rating);
3877 /* Improved generic start/end-of-game messages */
3878 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3879 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3880 /* If tkind == 0: */
3881 /* star_match[0] is the game number */
3882 /* [1] is the white player's name */
3883 /* [2] is the black player's name */
3884 /* For end-of-game: */
3885 /* [3] is the reason for the game end */
3886 /* [4] is a PGN end game-token, preceded by " " */
3887 /* For start-of-game: */
3888 /* [3] begins with "Creating" or "Continuing" */
3889 /* [4] is " *" or empty (don't care). */
3890 int gamenum = atoi(star_match[0]);
3891 char *whitename, *blackname, *why, *endtoken;
3892 ChessMove endtype = EndOfFile;
3895 whitename = star_match[1];
3896 blackname = star_match[2];
3897 why = star_match[3];
3898 endtoken = star_match[4];
3900 whitename = star_match[1];
3901 blackname = star_match[3];
3902 why = star_match[5];
3903 endtoken = star_match[6];
3906 /* Game start messages */
3907 if (strncmp(why, "Creating ", 9) == 0 ||
3908 strncmp(why, "Continuing ", 11) == 0) {
3909 gs_gamenum = gamenum;
3910 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3911 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3912 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3914 if (appData.zippyPlay) {
3915 ZippyGameStart(whitename, blackname);
3918 partnerBoardValid = FALSE; // [HGM] bughouse
3922 /* Game end messages */
3923 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3924 ics_gamenum != gamenum) {
3927 while (endtoken[0] == ' ') endtoken++;
3928 switch (endtoken[0]) {
3931 endtype = GameUnfinished;
3934 endtype = BlackWins;
3937 if (endtoken[1] == '/')
3938 endtype = GameIsDrawn;
3940 endtype = WhiteWins;
3943 GameEnds(endtype, why, GE_ICS);
3945 if (appData.zippyPlay && first.initDone) {
3946 ZippyGameEnd(endtype, why);
3947 if (first.pr == NoProc) {
3948 /* Start the next process early so that we'll
3949 be ready for the next challenge */
3950 StartChessProgram(&first);
3952 /* Send "new" early, in case this command takes
3953 a long time to finish, so that we'll be ready
3954 for the next challenge. */
3955 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3959 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3963 if (looking_at(buf, &i, "Removing game * from observation") ||
3964 looking_at(buf, &i, "no longer observing game *") ||
3965 looking_at(buf, &i, "Game * (*) has no examiners")) {
3966 if (gameMode == IcsObserving &&
3967 atoi(star_match[0]) == ics_gamenum)
3969 /* icsEngineAnalyze */
3970 if (appData.icsEngineAnalyze) {
3977 ics_user_moved = FALSE;
3982 if (looking_at(buf, &i, "no longer examining game *")) {
3983 if (gameMode == IcsExamining &&
3984 atoi(star_match[0]) == ics_gamenum)
3988 ics_user_moved = FALSE;
3993 /* Advance leftover_start past any newlines we find,
3994 so only partial lines can get reparsed */
3995 if (looking_at(buf, &i, "\n")) {
3996 prevColor = curColor;
3997 if (curColor != ColorNormal) {
3998 if (oldi > next_out) {
3999 SendToPlayer(&buf[next_out], oldi - next_out);
4002 Colorize(ColorNormal, FALSE);
4003 curColor = ColorNormal;
4005 if (started == STARTED_BOARD) {
4006 started = STARTED_NONE;
4007 parse[parse_pos] = NULLCHAR;
4008 ParseBoard12(parse);
4011 /* Send premove here */
4012 if (appData.premove) {
4014 if (currentMove == 0 &&
4015 gameMode == IcsPlayingWhite &&
4016 appData.premoveWhite) {
4017 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4018 if (appData.debugMode)
4019 fprintf(debugFP, "Sending premove:\n");
4021 } else if (currentMove == 1 &&
4022 gameMode == IcsPlayingBlack &&
4023 appData.premoveBlack) {
4024 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4025 if (appData.debugMode)
4026 fprintf(debugFP, "Sending premove:\n");
4028 } else if (gotPremove) {
4030 ClearPremoveHighlights();
4031 if (appData.debugMode)
4032 fprintf(debugFP, "Sending premove:\n");
4033 UserMoveEvent(premoveFromX, premoveFromY,
4034 premoveToX, premoveToY,
4039 /* Usually suppress following prompt */
4040 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4041 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4042 if (looking_at(buf, &i, "*% ")) {
4043 savingComment = FALSE;
4048 } else if (started == STARTED_HOLDINGS) {
4050 char new_piece[MSG_SIZ];
4051 started = STARTED_NONE;
4052 parse[parse_pos] = NULLCHAR;
4053 if (appData.debugMode)
4054 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4055 parse, currentMove);
4056 if (sscanf(parse, " game %d", &gamenum) == 1) {
4057 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4058 if (gameInfo.variant == VariantNormal) {
4059 /* [HGM] We seem to switch variant during a game!
4060 * Presumably no holdings were displayed, so we have
4061 * to move the position two files to the right to
4062 * create room for them!
4064 VariantClass newVariant;
4065 switch(gameInfo.boardWidth) { // base guess on board width
4066 case 9: newVariant = VariantShogi; break;
4067 case 10: newVariant = VariantGreat; break;
4068 default: newVariant = VariantCrazyhouse; break;
4070 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4071 /* Get a move list just to see the header, which
4072 will tell us whether this is really bug or zh */
4073 if (ics_getting_history == H_FALSE) {
4074 ics_getting_history = H_REQUESTED;
4075 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4079 new_piece[0] = NULLCHAR;
4080 sscanf(parse, "game %d white [%s black [%s <- %s",
4081 &gamenum, white_holding, black_holding,
4083 white_holding[strlen(white_holding)-1] = NULLCHAR;
4084 black_holding[strlen(black_holding)-1] = NULLCHAR;
4085 /* [HGM] copy holdings to board holdings area */
4086 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4087 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4088 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4090 if (appData.zippyPlay && first.initDone) {
4091 ZippyHoldings(white_holding, black_holding,
4095 if (tinyLayout || smallLayout) {
4096 char wh[16], bh[16];
4097 PackHolding(wh, white_holding);
4098 PackHolding(bh, black_holding);
4099 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4100 gameInfo.white, gameInfo.black);
4102 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4103 gameInfo.white, white_holding, _("vs."),
4104 gameInfo.black, black_holding);
4106 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4107 DrawPosition(FALSE, boards[currentMove]);
4109 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4110 sscanf(parse, "game %d white [%s black [%s <- %s",
4111 &gamenum, white_holding, black_holding,
4113 white_holding[strlen(white_holding)-1] = NULLCHAR;
4114 black_holding[strlen(black_holding)-1] = NULLCHAR;
4115 /* [HGM] copy holdings to partner-board holdings area */
4116 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4117 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4118 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4119 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4120 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4123 /* Suppress following prompt */
4124 if (looking_at(buf, &i, "*% ")) {
4125 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4126 savingComment = FALSE;
4134 i++; /* skip unparsed character and loop back */
4137 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4138 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4139 // SendToPlayer(&buf[next_out], i - next_out);
4140 started != STARTED_HOLDINGS && leftover_start > next_out) {
4141 SendToPlayer(&buf[next_out], leftover_start - next_out);
4145 leftover_len = buf_len - leftover_start;
4146 /* if buffer ends with something we couldn't parse,
4147 reparse it after appending the next read */
4149 } else if (count == 0) {
4150 RemoveInputSource(isr);
4151 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4153 DisplayFatalError(_("Error reading from ICS"), error, 1);
4158 /* Board style 12 looks like this:
4160 <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
4162 * The "<12> " is stripped before it gets to this routine. The two
4163 * trailing 0's (flip state and clock ticking) are later addition, and
4164 * some chess servers may not have them, or may have only the first.
4165 * Additional trailing fields may be added in the future.
4168 #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"
4170 #define RELATION_OBSERVING_PLAYED 0
4171 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4172 #define RELATION_PLAYING_MYMOVE 1
4173 #define RELATION_PLAYING_NOTMYMOVE -1
4174 #define RELATION_EXAMINING 2
4175 #define RELATION_ISOLATED_BOARD -3
4176 #define RELATION_STARTING_POSITION -4 /* FICS only */
4179 ParseBoard12 (char *string)
4181 GameMode newGameMode;
4182 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4183 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4184 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4185 char to_play, board_chars[200];
4186 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4187 char black[32], white[32];
4189 int prevMove = currentMove;
4192 int fromX, fromY, toX, toY;
4194 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4195 char *bookHit = NULL; // [HGM] book
4196 Boolean weird = FALSE, reqFlag = FALSE;
4198 fromX = fromY = toX = toY = -1;
4202 if (appData.debugMode)
4203 fprintf(debugFP, _("Parsing board: %s\n"), string);
4205 move_str[0] = NULLCHAR;
4206 elapsed_time[0] = NULLCHAR;
4207 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4209 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4210 if(string[i] == ' ') { ranks++; files = 0; }
4212 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4215 for(j = 0; j <i; j++) board_chars[j] = string[j];
4216 board_chars[i] = '\0';
4219 n = sscanf(string, PATTERN, &to_play, &double_push,
4220 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4221 &gamenum, white, black, &relation, &basetime, &increment,
4222 &white_stren, &black_stren, &white_time, &black_time,
4223 &moveNum, str, elapsed_time, move_str, &ics_flip,
4227 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4228 DisplayError(str, 0);
4232 /* Convert the move number to internal form */
4233 moveNum = (moveNum - 1) * 2;
4234 if (to_play == 'B') moveNum++;
4235 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4236 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4242 case RELATION_OBSERVING_PLAYED:
4243 case RELATION_OBSERVING_STATIC:
4244 if (gamenum == -1) {
4245 /* Old ICC buglet */
4246 relation = RELATION_OBSERVING_STATIC;
4248 newGameMode = IcsObserving;
4250 case RELATION_PLAYING_MYMOVE:
4251 case RELATION_PLAYING_NOTMYMOVE:
4253 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4254 IcsPlayingWhite : IcsPlayingBlack;
4255 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4257 case RELATION_EXAMINING:
4258 newGameMode = IcsExamining;
4260 case RELATION_ISOLATED_BOARD:
4262 /* Just display this board. If user was doing something else,
4263 we will forget about it until the next board comes. */
4264 newGameMode = IcsIdle;
4266 case RELATION_STARTING_POSITION:
4267 newGameMode = gameMode;
4271 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4272 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4273 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4274 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4275 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4276 static int lastBgGame = -1;
4278 for (k = 0; k < ranks; k++) {
4279 for (j = 0; j < files; j++)
4280 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4281 if(gameInfo.holdingsWidth > 1) {
4282 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4283 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4286 CopyBoard(partnerBoard, board);
4287 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4288 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4289 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4290 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4291 if(toSqr = strchr(str, '-')) {
4292 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4293 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4294 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4295 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4296 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4297 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4299 DisplayWhiteClock(white_time*fac, to_play == 'W');
4300 DisplayBlackClock(black_time*fac, to_play != 'W');
4301 activePartner = to_play;
4302 if(gamenum != lastBgGame) {
4304 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4307 lastBgGame = gamenum;
4308 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4309 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4310 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4311 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4312 DisplayMessage(partnerStatus, "");
4313 partnerBoardValid = TRUE;
4317 if(appData.dualBoard && appData.bgObserve) {
4318 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4319 SendToICS(ics_prefix), SendToICS("pobserve\n");
4320 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4322 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4327 /* Modify behavior for initial board display on move listing
4330 switch (ics_getting_history) {
4334 case H_GOT_REQ_HEADER:
4335 case H_GOT_UNREQ_HEADER:
4336 /* This is the initial position of the current game */
4337 gamenum = ics_gamenum;
4338 moveNum = 0; /* old ICS bug workaround */
4339 if (to_play == 'B') {
4340 startedFromSetupPosition = TRUE;
4341 blackPlaysFirst = TRUE;
4343 if (forwardMostMove == 0) forwardMostMove = 1;
4344 if (backwardMostMove == 0) backwardMostMove = 1;
4345 if (currentMove == 0) currentMove = 1;
4347 newGameMode = gameMode;
4348 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4350 case H_GOT_UNWANTED_HEADER:
4351 /* This is an initial board that we don't want */
4353 case H_GETTING_MOVES:
4354 /* Should not happen */
4355 DisplayError(_("Error gathering move list: extra board"), 0);
4356 ics_getting_history = H_FALSE;
4360 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4361 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4362 weird && (int)gameInfo.variant < (int)VariantShogi) {
4363 /* [HGM] We seem to have switched variant unexpectedly
4364 * Try to guess new variant from board size
4366 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4367 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4368 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4369 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4370 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4371 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4372 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4373 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4374 /* Get a move list just to see the header, which
4375 will tell us whether this is really bug or zh */
4376 if (ics_getting_history == H_FALSE) {
4377 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4378 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4383 /* Take action if this is the first board of a new game, or of a
4384 different game than is currently being displayed. */
4385 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4386 relation == RELATION_ISOLATED_BOARD) {
4388 /* Forget the old game and get the history (if any) of the new one */
4389 if (gameMode != BeginningOfGame) {
4393 if (appData.autoRaiseBoard) BoardToTop();
4395 if (gamenum == -1) {
4396 newGameMode = IcsIdle;
4397 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4398 appData.getMoveList && !reqFlag) {
4399 /* Need to get game history */
4400 ics_getting_history = H_REQUESTED;
4401 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4405 /* Initially flip the board to have black on the bottom if playing
4406 black or if the ICS flip flag is set, but let the user change
4407 it with the Flip View button. */
4408 flipView = appData.autoFlipView ?
4409 (newGameMode == IcsPlayingBlack) || ics_flip :
4412 /* Done with values from previous mode; copy in new ones */
4413 gameMode = newGameMode;
4415 ics_gamenum = gamenum;
4416 if (gamenum == gs_gamenum) {
4417 int klen = strlen(gs_kind);
4418 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4419 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4420 gameInfo.event = StrSave(str);
4422 gameInfo.event = StrSave("ICS game");
4424 gameInfo.site = StrSave(appData.icsHost);
4425 gameInfo.date = PGNDate();
4426 gameInfo.round = StrSave("-");
4427 gameInfo.white = StrSave(white);
4428 gameInfo.black = StrSave(black);
4429 timeControl = basetime * 60 * 1000;
4431 timeIncrement = increment * 1000;
4432 movesPerSession = 0;
4433 gameInfo.timeControl = TimeControlTagValue();
4434 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4435 if (appData.debugMode) {
4436 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4437 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4438 setbuf(debugFP, NULL);
4441 gameInfo.outOfBook = NULL;
4443 /* Do we have the ratings? */
4444 if (strcmp(player1Name, white) == 0 &&
4445 strcmp(player2Name, black) == 0) {
4446 if (appData.debugMode)
4447 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4448 player1Rating, player2Rating);
4449 gameInfo.whiteRating = player1Rating;
4450 gameInfo.blackRating = player2Rating;
4451 } else if (strcmp(player2Name, white) == 0 &&
4452 strcmp(player1Name, black) == 0) {
4453 if (appData.debugMode)
4454 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4455 player2Rating, player1Rating);
4456 gameInfo.whiteRating = player2Rating;
4457 gameInfo.blackRating = player1Rating;
4459 player1Name[0] = player2Name[0] = NULLCHAR;
4461 /* Silence shouts if requested */
4462 if (appData.quietPlay &&
4463 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4464 SendToICS(ics_prefix);
4465 SendToICS("set shout 0\n");
4469 /* Deal with midgame name changes */
4471 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4472 if (gameInfo.white) free(gameInfo.white);
4473 gameInfo.white = StrSave(white);
4475 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4476 if (gameInfo.black) free(gameInfo.black);
4477 gameInfo.black = StrSave(black);
4481 /* Throw away game result if anything actually changes in examine mode */
4482 if (gameMode == IcsExamining && !newGame) {
4483 gameInfo.result = GameUnfinished;
4484 if (gameInfo.resultDetails != NULL) {
4485 free(gameInfo.resultDetails);
4486 gameInfo.resultDetails = NULL;
4490 /* In pausing && IcsExamining mode, we ignore boards coming
4491 in if they are in a different variation than we are. */
4492 if (pauseExamInvalid) return;
4493 if (pausing && gameMode == IcsExamining) {
4494 if (moveNum <= pauseExamForwardMostMove) {
4495 pauseExamInvalid = TRUE;
4496 forwardMostMove = pauseExamForwardMostMove;
4501 if (appData.debugMode) {
4502 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4504 /* Parse the board */
4505 for (k = 0; k < ranks; k++) {
4506 for (j = 0; j < files; j++)
4507 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4508 if(gameInfo.holdingsWidth > 1) {
4509 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4510 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4513 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4514 board[5][BOARD_RGHT+1] = WhiteAngel;
4515 board[6][BOARD_RGHT+1] = WhiteMarshall;
4516 board[1][0] = BlackMarshall;
4517 board[2][0] = BlackAngel;
4518 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4520 CopyBoard(boards[moveNum], board);
4521 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4523 startedFromSetupPosition =
4524 !CompareBoards(board, initialPosition);
4525 if(startedFromSetupPosition)
4526 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4529 /* [HGM] Set castling rights. Take the outermost Rooks,
4530 to make it also work for FRC opening positions. Note that board12
4531 is really defective for later FRC positions, as it has no way to
4532 indicate which Rook can castle if they are on the same side of King.
4533 For the initial position we grant rights to the outermost Rooks,
4534 and remember thos rights, and we then copy them on positions
4535 later in an FRC game. This means WB might not recognize castlings with
4536 Rooks that have moved back to their original position as illegal,
4537 but in ICS mode that is not its job anyway.
4539 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4540 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4542 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4543 if(board[0][i] == WhiteRook) j = i;
4544 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4545 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4546 if(board[0][i] == WhiteRook) j = i;
4547 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4548 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4549 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4550 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4551 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4552 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4553 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4555 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4556 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4557 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4558 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4559 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4560 if(board[BOARD_HEIGHT-1][k] == bKing)
4561 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4562 if(gameInfo.variant == VariantTwoKings) {
4563 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4564 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4565 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4568 r = boards[moveNum][CASTLING][0] = initialRights[0];
4569 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4570 r = boards[moveNum][CASTLING][1] = initialRights[1];
4571 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4572 r = boards[moveNum][CASTLING][3] = initialRights[3];
4573 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4574 r = boards[moveNum][CASTLING][4] = initialRights[4];
4575 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4576 /* wildcastle kludge: always assume King has rights */
4577 r = boards[moveNum][CASTLING][2] = initialRights[2];
4578 r = boards[moveNum][CASTLING][5] = initialRights[5];
4580 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4581 boards[moveNum][EP_STATUS] = EP_NONE;
4582 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4583 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4584 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4587 if (ics_getting_history == H_GOT_REQ_HEADER ||
4588 ics_getting_history == H_GOT_UNREQ_HEADER) {
4589 /* This was an initial position from a move list, not
4590 the current position */
4594 /* Update currentMove and known move number limits */
4595 newMove = newGame || moveNum > forwardMostMove;
4598 forwardMostMove = backwardMostMove = currentMove = moveNum;
4599 if (gameMode == IcsExamining && moveNum == 0) {
4600 /* Workaround for ICS limitation: we are not told the wild
4601 type when starting to examine a game. But if we ask for
4602 the move list, the move list header will tell us */
4603 ics_getting_history = H_REQUESTED;
4604 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4607 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4608 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4610 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4611 /* [HGM] applied this also to an engine that is silently watching */
4612 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4613 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4614 gameInfo.variant == currentlyInitializedVariant) {
4615 takeback = forwardMostMove - moveNum;
4616 for (i = 0; i < takeback; i++) {
4617 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4618 SendToProgram("undo\n", &first);
4623 forwardMostMove = moveNum;
4624 if (!pausing || currentMove > forwardMostMove)
4625 currentMove = forwardMostMove;
4627 /* New part of history that is not contiguous with old part */
4628 if (pausing && gameMode == IcsExamining) {
4629 pauseExamInvalid = TRUE;
4630 forwardMostMove = pauseExamForwardMostMove;
4633 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4635 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4636 // [HGM] when we will receive the move list we now request, it will be
4637 // fed to the engine from the first move on. So if the engine is not
4638 // in the initial position now, bring it there.
4639 InitChessProgram(&first, 0);
4642 ics_getting_history = H_REQUESTED;
4643 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4646 forwardMostMove = backwardMostMove = currentMove = moveNum;
4649 /* Update the clocks */
4650 if (strchr(elapsed_time, '.')) {
4652 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4653 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4655 /* Time is in seconds */
4656 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4657 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4662 if (appData.zippyPlay && newGame &&
4663 gameMode != IcsObserving && gameMode != IcsIdle &&
4664 gameMode != IcsExamining)
4665 ZippyFirstBoard(moveNum, basetime, increment);
4668 /* Put the move on the move list, first converting
4669 to canonical algebraic form. */
4671 if (appData.debugMode) {
4672 if (appData.debugMode) { int f = forwardMostMove;
4673 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4674 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4675 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4677 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4678 fprintf(debugFP, "moveNum = %d\n", moveNum);
4679 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4680 setbuf(debugFP, NULL);
4682 if (moveNum <= backwardMostMove) {
4683 /* We don't know what the board looked like before
4685 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4686 strcat(parseList[moveNum - 1], " ");
4687 strcat(parseList[moveNum - 1], elapsed_time);
4688 moveList[moveNum - 1][0] = NULLCHAR;
4689 } else if (strcmp(move_str, "none") == 0) {
4690 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4691 /* Again, we don't know what the board looked like;
4692 this is really the start of the game. */
4693 parseList[moveNum - 1][0] = NULLCHAR;
4694 moveList[moveNum - 1][0] = NULLCHAR;
4695 backwardMostMove = moveNum;
4696 startedFromSetupPosition = TRUE;
4697 fromX = fromY = toX = toY = -1;
4699 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4700 // So we parse the long-algebraic move string in stead of the SAN move
4701 int valid; char buf[MSG_SIZ], *prom;
4703 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4704 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4705 // str looks something like "Q/a1-a2"; kill the slash
4707 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4708 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4709 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4710 strcat(buf, prom); // long move lacks promo specification!
4711 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4712 if(appData.debugMode)
4713 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4714 safeStrCpy(move_str, buf, MSG_SIZ);
4716 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4717 &fromX, &fromY, &toX, &toY, &promoChar)
4718 || ParseOneMove(buf, moveNum - 1, &moveType,
4719 &fromX, &fromY, &toX, &toY, &promoChar);
4720 // end of long SAN patch
4722 (void) CoordsToAlgebraic(boards[moveNum - 1],
4723 PosFlags(moveNum - 1),
4724 fromY, fromX, toY, toX, promoChar,
4725 parseList[moveNum-1]);
4726 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4732 if(gameInfo.variant != VariantShogi)
4733 strcat(parseList[moveNum - 1], "+");
4736 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4737 strcat(parseList[moveNum - 1], "#");
4740 strcat(parseList[moveNum - 1], " ");
4741 strcat(parseList[moveNum - 1], elapsed_time);
4742 /* currentMoveString is set as a side-effect of ParseOneMove */
4743 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4744 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4745 strcat(moveList[moveNum - 1], "\n");
4747 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4748 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4749 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4750 ChessSquare old, new = boards[moveNum][k][j];
4751 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4752 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4753 if(old == new) continue;
4754 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4755 else if(new == WhiteWazir || new == BlackWazir) {
4756 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4757 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4758 else boards[moveNum][k][j] = old; // preserve type of Gold
4759 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4760 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4763 /* Move from ICS was illegal!? Punt. */
4764 if (appData.debugMode) {
4765 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4766 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4768 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4769 strcat(parseList[moveNum - 1], " ");
4770 strcat(parseList[moveNum - 1], elapsed_time);
4771 moveList[moveNum - 1][0] = NULLCHAR;
4772 fromX = fromY = toX = toY = -1;
4775 if (appData.debugMode) {
4776 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4777 setbuf(debugFP, NULL);
4781 /* Send move to chess program (BEFORE animating it). */
4782 if (appData.zippyPlay && !newGame && newMove &&
4783 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4785 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4786 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4787 if (moveList[moveNum - 1][0] == NULLCHAR) {
4788 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4790 DisplayError(str, 0);
4792 if (first.sendTime) {
4793 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4795 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4796 if (firstMove && !bookHit) {
4798 if (first.useColors) {
4799 SendToProgram(gameMode == IcsPlayingWhite ?
4801 "black\ngo\n", &first);
4803 SendToProgram("go\n", &first);
4805 first.maybeThinking = TRUE;
4808 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4809 if (moveList[moveNum - 1][0] == NULLCHAR) {
4810 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4811 DisplayError(str, 0);
4813 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4814 SendMoveToProgram(moveNum - 1, &first);
4821 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4822 /* If move comes from a remote source, animate it. If it
4823 isn't remote, it will have already been animated. */
4824 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4825 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4827 if (!pausing && appData.highlightLastMove) {
4828 SetHighlights(fromX, fromY, toX, toY);
4832 /* Start the clocks */
4833 whiteFlag = blackFlag = FALSE;
4834 appData.clockMode = !(basetime == 0 && increment == 0);
4836 ics_clock_paused = TRUE;
4838 } else if (ticking == 1) {
4839 ics_clock_paused = FALSE;
4841 if (gameMode == IcsIdle ||
4842 relation == RELATION_OBSERVING_STATIC ||
4843 relation == RELATION_EXAMINING ||
4845 DisplayBothClocks();
4849 /* Display opponents and material strengths */
4850 if (gameInfo.variant != VariantBughouse &&
4851 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4852 if (tinyLayout || smallLayout) {
4853 if(gameInfo.variant == VariantNormal)
4854 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4855 gameInfo.white, white_stren, gameInfo.black, black_stren,
4856 basetime, increment);
4858 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4859 gameInfo.white, white_stren, gameInfo.black, black_stren,
4860 basetime, increment, (int) gameInfo.variant);
4862 if(gameInfo.variant == VariantNormal)
4863 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4864 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4865 basetime, increment);
4867 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4868 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4869 basetime, increment, VariantName(gameInfo.variant));
4872 if (appData.debugMode) {
4873 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4878 /* Display the board */
4879 if (!pausing && !appData.noGUI) {
4881 if (appData.premove)
4883 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4884 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4885 ClearPremoveHighlights();
4887 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4888 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4889 DrawPosition(j, boards[currentMove]);
4891 DisplayMove(moveNum - 1);
4892 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4893 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4894 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4895 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4899 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4901 if(bookHit) { // [HGM] book: simulate book reply
4902 static char bookMove[MSG_SIZ]; // a bit generous?
4904 programStats.nodes = programStats.depth = programStats.time =
4905 programStats.score = programStats.got_only_move = 0;
4906 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4908 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4909 strcat(bookMove, bookHit);
4910 HandleMachineMove(bookMove, &first);
4919 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4920 ics_getting_history = H_REQUESTED;
4921 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4927 SendToBoth (char *msg)
4928 { // to make it easy to keep two engines in step in dual analysis
4929 SendToProgram(msg, &first);
4930 if(second.analyzing) SendToProgram(msg, &second);
4934 AnalysisPeriodicEvent (int force)
4936 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4937 && !force) || !appData.periodicUpdates)
4940 /* Send . command to Crafty to collect stats */
4943 /* Don't send another until we get a response (this makes
4944 us stop sending to old Crafty's which don't understand
4945 the "." command (sending illegal cmds resets node count & time,
4946 which looks bad)) */
4947 programStats.ok_to_send = 0;
4951 ics_update_width (int new_width)
4953 ics_printf("set width %d\n", new_width);
4957 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4961 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4962 // null move in variant where engine does not understand it (for analysis purposes)
4963 SendBoard(cps, moveNum + 1); // send position after move in stead.
4966 if (cps->useUsermove) {
4967 SendToProgram("usermove ", cps);
4971 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4972 int len = space - parseList[moveNum];
4973 memcpy(buf, parseList[moveNum], len);
4975 buf[len] = NULLCHAR;
4977 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4979 SendToProgram(buf, cps);
4981 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4982 AlphaRank(moveList[moveNum], 4);
4983 SendToProgram(moveList[moveNum], cps);
4984 AlphaRank(moveList[moveNum], 4); // and back
4986 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4987 * the engine. It would be nice to have a better way to identify castle
4989 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4990 && cps->useOOCastle) {
4991 int fromX = moveList[moveNum][0] - AAA;
4992 int fromY = moveList[moveNum][1] - ONE;
4993 int toX = moveList[moveNum][2] - AAA;
4994 int toY = moveList[moveNum][3] - ONE;
4995 if((boards[moveNum][fromY][fromX] == WhiteKing
4996 && boards[moveNum][toY][toX] == WhiteRook)
4997 || (boards[moveNum][fromY][fromX] == BlackKing
4998 && boards[moveNum][toY][toX] == BlackRook)) {
4999 if(toX > fromX) SendToProgram("O-O\n", cps);
5000 else SendToProgram("O-O-O\n", cps);
5002 else SendToProgram(moveList[moveNum], cps);
5004 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5005 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5006 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5007 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5008 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5010 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5011 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5012 SendToProgram(buf, cps);
5014 else SendToProgram(moveList[moveNum], cps);
5015 /* End of additions by Tord */
5018 /* [HGM] setting up the opening has brought engine in force mode! */
5019 /* Send 'go' if we are in a mode where machine should play. */
5020 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5021 (gameMode == TwoMachinesPlay ||
5023 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5025 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5026 SendToProgram("go\n", cps);
5027 if (appData.debugMode) {
5028 fprintf(debugFP, "(extra)\n");
5031 setboardSpoiledMachineBlack = 0;
5035 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5037 char user_move[MSG_SIZ];
5040 if(gameInfo.variant == VariantSChess && promoChar) {
5041 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5042 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5043 } else suffix[0] = NULLCHAR;
5047 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5048 (int)moveType, fromX, fromY, toX, toY);
5049 DisplayError(user_move + strlen("say "), 0);
5051 case WhiteKingSideCastle:
5052 case BlackKingSideCastle:
5053 case WhiteQueenSideCastleWild:
5054 case BlackQueenSideCastleWild:
5056 case WhiteHSideCastleFR:
5057 case BlackHSideCastleFR:
5059 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5061 case WhiteQueenSideCastle:
5062 case BlackQueenSideCastle:
5063 case WhiteKingSideCastleWild:
5064 case BlackKingSideCastleWild:
5066 case WhiteASideCastleFR:
5067 case BlackASideCastleFR:
5069 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5071 case WhiteNonPromotion:
5072 case BlackNonPromotion:
5073 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5075 case WhitePromotion:
5076 case BlackPromotion:
5077 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5078 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5079 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5080 PieceToChar(WhiteFerz));
5081 else if(gameInfo.variant == VariantGreat)
5082 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5083 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5084 PieceToChar(WhiteMan));
5086 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5087 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5093 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5094 ToUpper(PieceToChar((ChessSquare) fromX)),
5095 AAA + toX, ONE + toY);
5097 case IllegalMove: /* could be a variant we don't quite understand */
5098 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5100 case WhiteCapturesEnPassant:
5101 case BlackCapturesEnPassant:
5102 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5103 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5106 SendToICS(user_move);
5107 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5108 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5113 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5114 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5115 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5116 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5117 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5120 if(gameMode != IcsExamining) { // is this ever not the case?
5121 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5123 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5124 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5125 } else { // on FICS we must first go to general examine mode
5126 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5128 if(gameInfo.variant != VariantNormal) {
5129 // try figure out wild number, as xboard names are not always valid on ICS
5130 for(i=1; i<=36; i++) {
5131 snprintf(buf, MSG_SIZ, "wild/%d", i);
5132 if(StringToVariant(buf) == gameInfo.variant) break;
5134 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5135 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5136 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5137 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5138 SendToICS(ics_prefix);
5140 if(startedFromSetupPosition || backwardMostMove != 0) {
5141 fen = PositionToFEN(backwardMostMove, NULL);
5142 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5143 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5145 } else { // FICS: everything has to set by separate bsetup commands
5146 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5147 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5149 if(!WhiteOnMove(backwardMostMove)) {
5150 SendToICS("bsetup tomove black\n");
5152 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5153 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5155 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5156 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5158 i = boards[backwardMostMove][EP_STATUS];
5159 if(i >= 0) { // set e.p.
5160 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5166 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5167 SendToICS("bsetup done\n"); // switch to normal examining.
5169 for(i = backwardMostMove; i<last; i++) {
5171 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5172 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5173 int len = strlen(moveList[i]);
5174 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5175 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5179 SendToICS(ics_prefix);
5180 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5184 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5186 if (rf == DROP_RANK) {
5187 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5188 sprintf(move, "%c@%c%c\n",
5189 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5191 if (promoChar == 'x' || promoChar == NULLCHAR) {
5192 sprintf(move, "%c%c%c%c\n",
5193 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5195 sprintf(move, "%c%c%c%c%c\n",
5196 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5202 ProcessICSInitScript (FILE *f)
5206 while (fgets(buf, MSG_SIZ, f)) {
5207 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5214 static int lastX, lastY, selectFlag, dragging;
5219 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5220 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5221 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5222 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5223 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5224 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5227 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5228 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5229 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5230 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5231 if(!step) step = -1;
5232 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5233 appData.testLegality && (promoSweep == king ||
5234 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5236 int victim = boards[currentMove][toY][toX];
5237 boards[currentMove][toY][toX] = promoSweep;
5238 DrawPosition(FALSE, boards[currentMove]);
5239 boards[currentMove][toY][toX] = victim;
5241 ChangeDragPiece(promoSweep);
5245 PromoScroll (int x, int y)
5249 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5250 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5251 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5252 if(!step) return FALSE;
5253 lastX = x; lastY = y;
5254 if((promoSweep < BlackPawn) == flipView) step = -step;
5255 if(step > 0) selectFlag = 1;
5256 if(!selectFlag) Sweep(step);
5261 NextPiece (int step)
5263 ChessSquare piece = boards[currentMove][toY][toX];
5266 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5267 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5268 if(!step) step = -1;
5269 } while(PieceToChar(pieceSweep) == '.');
5270 boards[currentMove][toY][toX] = pieceSweep;
5271 DrawPosition(FALSE, boards[currentMove]);
5272 boards[currentMove][toY][toX] = piece;
5274 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5276 AlphaRank (char *move, int n)
5278 // char *p = move, c; int x, y;
5280 if (appData.debugMode) {
5281 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5285 move[2]>='0' && move[2]<='9' &&
5286 move[3]>='a' && move[3]<='x' ) {
5288 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5289 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5291 if(move[0]>='0' && move[0]<='9' &&
5292 move[1]>='a' && move[1]<='x' &&
5293 move[2]>='0' && move[2]<='9' &&
5294 move[3]>='a' && move[3]<='x' ) {
5295 /* input move, Shogi -> normal */
5296 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5297 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5298 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5299 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5302 move[3]>='0' && move[3]<='9' &&
5303 move[2]>='a' && move[2]<='x' ) {
5305 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5306 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5309 move[0]>='a' && move[0]<='x' &&
5310 move[3]>='0' && move[3]<='9' &&
5311 move[2]>='a' && move[2]<='x' ) {
5312 /* output move, normal -> Shogi */
5313 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5314 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5315 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5316 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5317 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5319 if (appData.debugMode) {
5320 fprintf(debugFP, " out = '%s'\n", move);
5324 char yy_textstr[8000];
5326 /* Parser for moves from gnuchess, ICS, or user typein box */
5328 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5330 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5332 switch (*moveType) {
5333 case WhitePromotion:
5334 case BlackPromotion:
5335 case WhiteNonPromotion:
5336 case BlackNonPromotion:
5338 case WhiteCapturesEnPassant:
5339 case BlackCapturesEnPassant:
5340 case WhiteKingSideCastle:
5341 case WhiteQueenSideCastle:
5342 case BlackKingSideCastle:
5343 case BlackQueenSideCastle:
5344 case WhiteKingSideCastleWild:
5345 case WhiteQueenSideCastleWild:
5346 case BlackKingSideCastleWild:
5347 case BlackQueenSideCastleWild:
5348 /* Code added by Tord: */
5349 case WhiteHSideCastleFR:
5350 case WhiteASideCastleFR:
5351 case BlackHSideCastleFR:
5352 case BlackASideCastleFR:
5353 /* End of code added by Tord */
5354 case IllegalMove: /* bug or odd chess variant */
5355 *fromX = currentMoveString[0] - AAA;
5356 *fromY = currentMoveString[1] - ONE;
5357 *toX = currentMoveString[2] - AAA;
5358 *toY = currentMoveString[3] - ONE;
5359 *promoChar = currentMoveString[4];
5360 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5361 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5362 if (appData.debugMode) {
5363 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5365 *fromX = *fromY = *toX = *toY = 0;
5368 if (appData.testLegality) {
5369 return (*moveType != IllegalMove);
5371 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5372 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5377 *fromX = *moveType == WhiteDrop ?
5378 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5379 (int) CharToPiece(ToLower(currentMoveString[0]));
5381 *toX = currentMoveString[2] - AAA;
5382 *toY = currentMoveString[3] - ONE;
5383 *promoChar = NULLCHAR;
5387 case ImpossibleMove:
5397 if (appData.debugMode) {
5398 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5401 *fromX = *fromY = *toX = *toY = 0;
5402 *promoChar = NULLCHAR;
5407 Boolean pushed = FALSE;
5408 char *lastParseAttempt;
5411 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5412 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5413 int fromX, fromY, toX, toY; char promoChar;
5418 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5419 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5420 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5423 endPV = forwardMostMove;
5425 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5426 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5427 lastParseAttempt = pv;
5428 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5429 if(!valid && nr == 0 &&
5430 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5431 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5432 // Hande case where played move is different from leading PV move
5433 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5434 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5435 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5436 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5437 endPV += 2; // if position different, keep this
5438 moveList[endPV-1][0] = fromX + AAA;
5439 moveList[endPV-1][1] = fromY + ONE;
5440 moveList[endPV-1][2] = toX + AAA;
5441 moveList[endPV-1][3] = toY + ONE;
5442 parseList[endPV-1][0] = NULLCHAR;
5443 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5446 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5447 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5448 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5449 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5450 valid++; // allow comments in PV
5454 if(endPV+1 > framePtr) break; // no space, truncate
5457 CopyBoard(boards[endPV], boards[endPV-1]);
5458 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5459 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5460 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5461 CoordsToAlgebraic(boards[endPV - 1],
5462 PosFlags(endPV - 1),
5463 fromY, fromX, toY, toX, promoChar,
5464 parseList[endPV - 1]);
5466 if(atEnd == 2) return; // used hidden, for PV conversion
5467 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5468 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5469 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5470 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5471 DrawPosition(TRUE, boards[currentMove]);
5475 MultiPV (ChessProgramState *cps)
5476 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5478 for(i=0; i<cps->nrOptions; i++)
5479 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5485 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5487 int startPV, multi, lineStart, origIndex = index;
5488 char *p, buf2[MSG_SIZ];
5489 ChessProgramState *cps = (pane ? &second : &first);
5491 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5492 lastX = x; lastY = y;
5493 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5494 lineStart = startPV = index;
5495 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5496 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5498 do{ while(buf[index] && buf[index] != '\n') index++;
5499 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5501 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5502 int n = cps->option[multi].value;
5503 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5504 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5505 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5506 cps->option[multi].value = n;
5509 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5510 ExcludeClick(origIndex - lineStart);
5513 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5514 *start = startPV; *end = index-1;
5521 static char buf[10*MSG_SIZ];
5522 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5524 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5525 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5526 for(i = forwardMostMove; i<endPV; i++){
5527 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5528 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5531 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5532 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5533 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5539 LoadPV (int x, int y)
5540 { // called on right mouse click to load PV
5541 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5542 lastX = x; lastY = y;
5543 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5550 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5551 if(endPV < 0) return;
5552 if(appData.autoCopyPV) CopyFENToClipboard();
5554 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5555 Boolean saveAnimate = appData.animate;
5557 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5558 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5559 } else storedGames--; // abandon shelved tail of original game
5562 forwardMostMove = currentMove;
5563 currentMove = oldFMM;
5564 appData.animate = FALSE;
5565 ToNrEvent(forwardMostMove);
5566 appData.animate = saveAnimate;
5568 currentMove = forwardMostMove;
5569 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5570 ClearPremoveHighlights();
5571 DrawPosition(TRUE, boards[currentMove]);
5575 MovePV (int x, int y, int h)
5576 { // step through PV based on mouse coordinates (called on mouse move)
5577 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5579 // we must somehow check if right button is still down (might be released off board!)
5580 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5581 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5582 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5584 lastX = x; lastY = y;
5586 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5587 if(endPV < 0) return;
5588 if(y < margin) step = 1; else
5589 if(y > h - margin) step = -1;
5590 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5591 currentMove += step;
5592 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5593 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5594 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5595 DrawPosition(FALSE, boards[currentMove]);
5599 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5600 // All positions will have equal probability, but the current method will not provide a unique
5601 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5607 int piecesLeft[(int)BlackPawn];
5608 int seed, nrOfShuffles;
5611 GetPositionNumber ()
5612 { // sets global variable seed
5615 seed = appData.defaultFrcPosition;
5616 if(seed < 0) { // randomize based on time for negative FRC position numbers
5617 for(i=0; i<50; i++) seed += random();
5618 seed = random() ^ random() >> 8 ^ random() << 8;
5619 if(seed<0) seed = -seed;
5624 put (Board board, int pieceType, int rank, int n, int shade)
5625 // put the piece on the (n-1)-th empty squares of the given shade
5629 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5630 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5631 board[rank][i] = (ChessSquare) pieceType;
5632 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5634 piecesLeft[pieceType]--;
5643 AddOnePiece (Board board, int pieceType, int rank, int shade)
5644 // calculate where the next piece goes, (any empty square), and put it there
5648 i = seed % squaresLeft[shade];
5649 nrOfShuffles *= squaresLeft[shade];
5650 seed /= squaresLeft[shade];
5651 put(board, pieceType, rank, i, shade);
5655 AddTwoPieces (Board board, int pieceType, int rank)
5656 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5658 int i, n=squaresLeft[ANY], j=n-1, k;
5660 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5661 i = seed % k; // pick one
5664 while(i >= j) i -= j--;
5665 j = n - 1 - j; i += j;
5666 put(board, pieceType, rank, j, ANY);
5667 put(board, pieceType, rank, i, ANY);
5671 SetUpShuffle (Board board, int number)
5675 GetPositionNumber(); nrOfShuffles = 1;
5677 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5678 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5679 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5681 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5683 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5684 p = (int) board[0][i];
5685 if(p < (int) BlackPawn) piecesLeft[p] ++;
5686 board[0][i] = EmptySquare;
5689 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5690 // shuffles restricted to allow normal castling put KRR first
5691 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5692 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5693 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5694 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5695 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5696 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5697 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5698 put(board, WhiteRook, 0, 0, ANY);
5699 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5702 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5703 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5704 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5705 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5706 while(piecesLeft[p] >= 2) {
5707 AddOnePiece(board, p, 0, LITE);
5708 AddOnePiece(board, p, 0, DARK);
5710 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5713 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5714 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5715 // but we leave King and Rooks for last, to possibly obey FRC restriction
5716 if(p == (int)WhiteRook) continue;
5717 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5718 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5721 // now everything is placed, except perhaps King (Unicorn) and Rooks
5723 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5724 // Last King gets castling rights
5725 while(piecesLeft[(int)WhiteUnicorn]) {
5726 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5727 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5730 while(piecesLeft[(int)WhiteKing]) {
5731 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5732 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5737 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5738 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5741 // Only Rooks can be left; simply place them all
5742 while(piecesLeft[(int)WhiteRook]) {
5743 i = put(board, WhiteRook, 0, 0, ANY);
5744 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5747 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5749 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5752 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5753 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5756 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5760 SetCharTable (char *table, const char * map)
5761 /* [HGM] moved here from winboard.c because of its general usefulness */
5762 /* Basically a safe strcpy that uses the last character as King */
5764 int result = FALSE; int NrPieces;
5766 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5767 && NrPieces >= 12 && !(NrPieces&1)) {
5768 int i; /* [HGM] Accept even length from 12 to 34 */
5770 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5771 for( i=0; i<NrPieces/2-1; i++ ) {
5773 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5775 table[(int) WhiteKing] = map[NrPieces/2-1];
5776 table[(int) BlackKing] = map[NrPieces-1];
5785 Prelude (Board board)
5786 { // [HGM] superchess: random selection of exo-pieces
5787 int i, j, k; ChessSquare p;
5788 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5790 GetPositionNumber(); // use FRC position number
5792 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5793 SetCharTable(pieceToChar, appData.pieceToCharTable);
5794 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5795 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5798 j = seed%4; seed /= 4;
5799 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5800 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5801 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5802 j = seed%3 + (seed%3 >= j); seed /= 3;
5803 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5804 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5805 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5806 j = seed%3; seed /= 3;
5807 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5808 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5809 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5810 j = seed%2 + (seed%2 >= j); seed /= 2;
5811 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5812 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5813 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5814 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5815 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5816 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5817 put(board, exoPieces[0], 0, 0, ANY);
5818 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5822 InitPosition (int redraw)
5824 ChessSquare (* pieces)[BOARD_FILES];
5825 int i, j, pawnRow, overrule,
5826 oldx = gameInfo.boardWidth,
5827 oldy = gameInfo.boardHeight,
5828 oldh = gameInfo.holdingsWidth;
5831 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5833 /* [AS] Initialize pv info list [HGM] and game status */
5835 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5836 pvInfoList[i].depth = 0;
5837 boards[i][EP_STATUS] = EP_NONE;
5838 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5841 initialRulePlies = 0; /* 50-move counter start */
5843 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5844 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5848 /* [HGM] logic here is completely changed. In stead of full positions */
5849 /* the initialized data only consist of the two backranks. The switch */
5850 /* selects which one we will use, which is than copied to the Board */
5851 /* initialPosition, which for the rest is initialized by Pawns and */
5852 /* empty squares. This initial position is then copied to boards[0], */
5853 /* possibly after shuffling, so that it remains available. */
5855 gameInfo.holdingsWidth = 0; /* default board sizes */
5856 gameInfo.boardWidth = 8;
5857 gameInfo.boardHeight = 8;
5858 gameInfo.holdingsSize = 0;
5859 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5860 for(i=0; i<BOARD_FILES-2; i++)
5861 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5862 initialPosition[EP_STATUS] = EP_NONE;
5863 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5864 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5865 SetCharTable(pieceNickName, appData.pieceNickNames);
5866 else SetCharTable(pieceNickName, "............");
5869 switch (gameInfo.variant) {
5870 case VariantFischeRandom:
5871 shuffleOpenings = TRUE;
5874 case VariantShatranj:
5875 pieces = ShatranjArray;
5876 nrCastlingRights = 0;
5877 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5880 pieces = makrukArray;
5881 nrCastlingRights = 0;
5882 startedFromSetupPosition = TRUE;
5883 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5885 case VariantTwoKings:
5886 pieces = twoKingsArray;
5889 pieces = GrandArray;
5890 nrCastlingRights = 0;
5891 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5892 gameInfo.boardWidth = 10;
5893 gameInfo.boardHeight = 10;
5894 gameInfo.holdingsSize = 7;
5896 case VariantCapaRandom:
5897 shuffleOpenings = TRUE;
5898 case VariantCapablanca:
5899 pieces = CapablancaArray;
5900 gameInfo.boardWidth = 10;
5901 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5904 pieces = GothicArray;
5905 gameInfo.boardWidth = 10;
5906 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5909 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5910 gameInfo.holdingsSize = 7;
5911 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5914 pieces = JanusArray;
5915 gameInfo.boardWidth = 10;
5916 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5917 nrCastlingRights = 6;
5918 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5919 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5920 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5921 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5922 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5923 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5926 pieces = FalconArray;
5927 gameInfo.boardWidth = 10;
5928 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5930 case VariantXiangqi:
5931 pieces = XiangqiArray;
5932 gameInfo.boardWidth = 9;
5933 gameInfo.boardHeight = 10;
5934 nrCastlingRights = 0;
5935 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5938 pieces = ShogiArray;
5939 gameInfo.boardWidth = 9;
5940 gameInfo.boardHeight = 9;
5941 gameInfo.holdingsSize = 7;
5942 nrCastlingRights = 0;
5943 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5945 case VariantCourier:
5946 pieces = CourierArray;
5947 gameInfo.boardWidth = 12;
5948 nrCastlingRights = 0;
5949 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5951 case VariantKnightmate:
5952 pieces = KnightmateArray;
5953 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5955 case VariantSpartan:
5956 pieces = SpartanArray;
5957 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5960 pieces = fairyArray;
5961 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5964 pieces = GreatArray;
5965 gameInfo.boardWidth = 10;
5966 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5967 gameInfo.holdingsSize = 8;
5971 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5972 gameInfo.holdingsSize = 8;
5973 startedFromSetupPosition = TRUE;
5975 case VariantCrazyhouse:
5976 case VariantBughouse:
5978 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5979 gameInfo.holdingsSize = 5;
5981 case VariantWildCastle:
5983 /* !!?shuffle with kings guaranteed to be on d or e file */
5984 shuffleOpenings = 1;
5986 case VariantNoCastle:
5988 nrCastlingRights = 0;
5989 /* !!?unconstrained back-rank shuffle */
5990 shuffleOpenings = 1;
5995 if(appData.NrFiles >= 0) {
5996 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5997 gameInfo.boardWidth = appData.NrFiles;
5999 if(appData.NrRanks >= 0) {
6000 gameInfo.boardHeight = appData.NrRanks;
6002 if(appData.holdingsSize >= 0) {
6003 i = appData.holdingsSize;
6004 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6005 gameInfo.holdingsSize = i;
6007 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6008 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6009 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6011 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6012 if(pawnRow < 1) pawnRow = 1;
6013 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
6015 /* User pieceToChar list overrules defaults */
6016 if(appData.pieceToCharTable != NULL)
6017 SetCharTable(pieceToChar, appData.pieceToCharTable);
6019 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6021 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6022 s = (ChessSquare) 0; /* account holding counts in guard band */
6023 for( i=0; i<BOARD_HEIGHT; i++ )
6024 initialPosition[i][j] = s;
6026 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6027 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6028 initialPosition[pawnRow][j] = WhitePawn;
6029 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6030 if(gameInfo.variant == VariantXiangqi) {
6032 initialPosition[pawnRow][j] =
6033 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6034 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6035 initialPosition[2][j] = WhiteCannon;
6036 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6040 if(gameInfo.variant == VariantGrand) {
6041 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6042 initialPosition[0][j] = WhiteRook;
6043 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6046 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6048 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6051 initialPosition[1][j] = WhiteBishop;
6052 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6054 initialPosition[1][j] = WhiteRook;
6055 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6058 if( nrCastlingRights == -1) {
6059 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6060 /* This sets default castling rights from none to normal corners */
6061 /* Variants with other castling rights must set them themselves above */
6062 nrCastlingRights = 6;
6064 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6065 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6066 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6067 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6068 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6069 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6072 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6073 if(gameInfo.variant == VariantGreat) { // promotion commoners
6074 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6075 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6076 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6077 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6079 if( gameInfo.variant == VariantSChess ) {
6080 initialPosition[1][0] = BlackMarshall;
6081 initialPosition[2][0] = BlackAngel;
6082 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6083 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6084 initialPosition[1][1] = initialPosition[2][1] =
6085 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6087 if (appData.debugMode) {
6088 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6090 if(shuffleOpenings) {
6091 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6092 startedFromSetupPosition = TRUE;
6094 if(startedFromPositionFile) {
6095 /* [HGM] loadPos: use PositionFile for every new game */
6096 CopyBoard(initialPosition, filePosition);
6097 for(i=0; i<nrCastlingRights; i++)
6098 initialRights[i] = filePosition[CASTLING][i];
6099 startedFromSetupPosition = TRUE;
6102 CopyBoard(boards[0], initialPosition);
6104 if(oldx != gameInfo.boardWidth ||
6105 oldy != gameInfo.boardHeight ||
6106 oldv != gameInfo.variant ||
6107 oldh != gameInfo.holdingsWidth
6109 InitDrawingSizes(-2 ,0);
6111 oldv = gameInfo.variant;
6113 DrawPosition(TRUE, boards[currentMove]);
6117 SendBoard (ChessProgramState *cps, int moveNum)
6119 char message[MSG_SIZ];
6121 if (cps->useSetboard) {
6122 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6123 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6124 SendToProgram(message, cps);
6129 int i, j, left=0, right=BOARD_WIDTH;
6130 /* Kludge to set black to move, avoiding the troublesome and now
6131 * deprecated "black" command.
6133 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6134 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6136 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6138 SendToProgram("edit\n", cps);
6139 SendToProgram("#\n", cps);
6140 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6141 bp = &boards[moveNum][i][left];
6142 for (j = left; j < right; j++, bp++) {
6143 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6144 if ((int) *bp < (int) BlackPawn) {
6145 if(j == BOARD_RGHT+1)
6146 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6147 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6148 if(message[0] == '+' || message[0] == '~') {
6149 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6150 PieceToChar((ChessSquare)(DEMOTED *bp)),
6153 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6154 message[1] = BOARD_RGHT - 1 - j + '1';
6155 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6157 SendToProgram(message, cps);
6162 SendToProgram("c\n", cps);
6163 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6164 bp = &boards[moveNum][i][left];
6165 for (j = left; j < right; j++, bp++) {
6166 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6167 if (((int) *bp != (int) EmptySquare)
6168 && ((int) *bp >= (int) BlackPawn)) {
6169 if(j == BOARD_LEFT-2)
6170 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6171 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6173 if(message[0] == '+' || message[0] == '~') {
6174 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6175 PieceToChar((ChessSquare)(DEMOTED *bp)),
6178 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6179 message[1] = BOARD_RGHT - 1 - j + '1';
6180 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6182 SendToProgram(message, cps);
6187 SendToProgram(".\n", cps);
6189 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6192 char exclusionHeader[MSG_SIZ];
6193 int exCnt, excludePtr;
6194 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6195 static Exclusion excluTab[200];
6196 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6202 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6203 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6209 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6210 excludePtr = 24; exCnt = 0;
6215 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6216 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6217 char buf[2*MOVE_LEN], *p;
6218 Exclusion *e = excluTab;
6220 for(i=0; i<exCnt; i++)
6221 if(e[i].ff == fromX && e[i].fr == fromY &&
6222 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6223 if(i == exCnt) { // was not in exclude list; add it
6224 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6225 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6226 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6229 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6230 excludePtr++; e[i].mark = excludePtr++;
6231 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6234 exclusionHeader[e[i].mark] = state;
6238 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6239 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6243 if((signed char)promoChar == -1) { // kludge to indicate best move
6244 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6245 return 1; // if unparsable, abort
6247 // update exclusion map (resolving toggle by consulting existing state)
6248 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6250 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6251 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6252 excludeMap[k] |= 1<<j;
6253 else excludeMap[k] &= ~(1<<j);
6255 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6257 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6258 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6260 return (state == '+');
6264 ExcludeClick (int index)
6267 Exclusion *e = excluTab;
6268 if(index < 25) { // none, best or tail clicked
6269 if(index < 13) { // none: include all
6270 WriteMap(0); // clear map
6271 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6272 SendToBoth("include all\n"); // and inform engine
6273 } else if(index > 18) { // tail
6274 if(exclusionHeader[19] == '-') { // tail was excluded
6275 SendToBoth("include all\n");
6276 WriteMap(0); // clear map completely
6277 // now re-exclude selected moves
6278 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6279 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6280 } else { // tail was included or in mixed state
6281 SendToBoth("exclude all\n");
6282 WriteMap(0xFF); // fill map completely
6283 // now re-include selected moves
6284 j = 0; // count them
6285 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6286 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6287 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6290 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6293 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6294 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6295 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6302 DefaultPromoChoice (int white)
6305 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6306 result = WhiteFerz; // no choice
6307 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6308 result= WhiteKing; // in Suicide Q is the last thing we want
6309 else if(gameInfo.variant == VariantSpartan)
6310 result = white ? WhiteQueen : WhiteAngel;
6311 else result = WhiteQueen;
6312 if(!white) result = WHITE_TO_BLACK result;
6316 static int autoQueen; // [HGM] oneclick
6319 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6321 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6322 /* [HGM] add Shogi promotions */
6323 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6328 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6329 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6331 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6332 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6335 piece = boards[currentMove][fromY][fromX];
6336 if(gameInfo.variant == VariantShogi) {
6337 promotionZoneSize = BOARD_HEIGHT/3;
6338 highestPromotingPiece = (int)WhiteFerz;
6339 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6340 promotionZoneSize = 3;
6343 // Treat Lance as Pawn when it is not representing Amazon
6344 if(gameInfo.variant != VariantSuper) {
6345 if(piece == WhiteLance) piece = WhitePawn; else
6346 if(piece == BlackLance) piece = BlackPawn;
6349 // next weed out all moves that do not touch the promotion zone at all
6350 if((int)piece >= BlackPawn) {
6351 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6353 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6355 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6356 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6359 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6361 // weed out mandatory Shogi promotions
6362 if(gameInfo.variant == VariantShogi) {
6363 if(piece >= BlackPawn) {
6364 if(toY == 0 && piece == BlackPawn ||
6365 toY == 0 && piece == BlackQueen ||
6366 toY <= 1 && piece == BlackKnight) {
6371 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6372 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6373 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6380 // weed out obviously illegal Pawn moves
6381 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6382 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6383 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6384 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6385 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6386 // note we are not allowed to test for valid (non-)capture, due to premove
6389 // we either have a choice what to promote to, or (in Shogi) whether to promote
6390 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6391 *promoChoice = PieceToChar(BlackFerz); // no choice
6394 // no sense asking what we must promote to if it is going to explode...
6395 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6396 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6399 // give caller the default choice even if we will not make it
6400 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6401 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6402 if( sweepSelect && gameInfo.variant != VariantGreat
6403 && gameInfo.variant != VariantGrand
6404 && gameInfo.variant != VariantSuper) return FALSE;
6405 if(autoQueen) return FALSE; // predetermined
6407 // suppress promotion popup on illegal moves that are not premoves
6408 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6409 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6410 if(appData.testLegality && !premove) {
6411 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6412 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6413 if(moveType != WhitePromotion && moveType != BlackPromotion)
6421 InPalace (int row, int column)
6422 { /* [HGM] for Xiangqi */
6423 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6424 column < (BOARD_WIDTH + 4)/2 &&
6425 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6430 PieceForSquare (int x, int y)
6432 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6435 return boards[currentMove][y][x];
6439 OKToStartUserMove (int x, int y)
6441 ChessSquare from_piece;
6444 if (matchMode) return FALSE;
6445 if (gameMode == EditPosition) return TRUE;
6447 if (x >= 0 && y >= 0)
6448 from_piece = boards[currentMove][y][x];
6450 from_piece = EmptySquare;
6452 if (from_piece == EmptySquare) return FALSE;
6454 white_piece = (int)from_piece >= (int)WhitePawn &&
6455 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6459 case TwoMachinesPlay:
6467 case MachinePlaysWhite:
6468 case IcsPlayingBlack:
6469 if (appData.zippyPlay) return FALSE;
6471 DisplayMoveError(_("You are playing Black"));
6476 case MachinePlaysBlack:
6477 case IcsPlayingWhite:
6478 if (appData.zippyPlay) return FALSE;
6480 DisplayMoveError(_("You are playing White"));
6485 case PlayFromGameFile:
6486 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6488 if (!white_piece && WhiteOnMove(currentMove)) {
6489 DisplayMoveError(_("It is White's turn"));
6492 if (white_piece && !WhiteOnMove(currentMove)) {
6493 DisplayMoveError(_("It is Black's turn"));
6496 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6497 /* Editing correspondence game history */
6498 /* Could disallow this or prompt for confirmation */
6503 case BeginningOfGame:
6504 if (appData.icsActive) return FALSE;
6505 if (!appData.noChessProgram) {
6507 DisplayMoveError(_("You are playing White"));
6514 if (!white_piece && WhiteOnMove(currentMove)) {
6515 DisplayMoveError(_("It is White's turn"));
6518 if (white_piece && !WhiteOnMove(currentMove)) {
6519 DisplayMoveError(_("It is Black's turn"));
6528 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6529 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6530 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6531 && gameMode != AnalyzeFile && gameMode != Training) {
6532 DisplayMoveError(_("Displayed position is not current"));
6539 OnlyMove (int *x, int *y, Boolean captures)
6541 DisambiguateClosure cl;
6542 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6544 case MachinePlaysBlack:
6545 case IcsPlayingWhite:
6546 case BeginningOfGame:
6547 if(!WhiteOnMove(currentMove)) return FALSE;
6549 case MachinePlaysWhite:
6550 case IcsPlayingBlack:
6551 if(WhiteOnMove(currentMove)) return FALSE;
6558 cl.pieceIn = EmptySquare;
6563 cl.promoCharIn = NULLCHAR;
6564 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6565 if( cl.kind == NormalMove ||
6566 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6567 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6568 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6575 if(cl.kind != ImpossibleMove) return FALSE;
6576 cl.pieceIn = EmptySquare;
6581 cl.promoCharIn = NULLCHAR;
6582 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6583 if( cl.kind == NormalMove ||
6584 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6585 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6586 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6591 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6597 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6598 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6599 int lastLoadGameUseList = FALSE;
6600 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6601 ChessMove lastLoadGameStart = EndOfFile;
6605 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6609 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6611 /* Check if the user is playing in turn. This is complicated because we
6612 let the user "pick up" a piece before it is his turn. So the piece he
6613 tried to pick up may have been captured by the time he puts it down!
6614 Therefore we use the color the user is supposed to be playing in this
6615 test, not the color of the piece that is currently on the starting
6616 square---except in EditGame mode, where the user is playing both
6617 sides; fortunately there the capture race can't happen. (It can
6618 now happen in IcsExamining mode, but that's just too bad. The user
6619 will get a somewhat confusing message in that case.)
6624 case TwoMachinesPlay:
6628 /* We switched into a game mode where moves are not accepted,
6629 perhaps while the mouse button was down. */
6632 case MachinePlaysWhite:
6633 /* User is moving for Black */
6634 if (WhiteOnMove(currentMove)) {
6635 DisplayMoveError(_("It is White's turn"));
6640 case MachinePlaysBlack:
6641 /* User is moving for White */
6642 if (!WhiteOnMove(currentMove)) {
6643 DisplayMoveError(_("It is Black's turn"));
6648 case PlayFromGameFile:
6649 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6652 case BeginningOfGame:
6655 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6656 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6657 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6658 /* User is moving for Black */
6659 if (WhiteOnMove(currentMove)) {
6660 DisplayMoveError(_("It is White's turn"));
6664 /* User is moving for White */
6665 if (!WhiteOnMove(currentMove)) {
6666 DisplayMoveError(_("It is Black's turn"));
6672 case IcsPlayingBlack:
6673 /* User is moving for Black */
6674 if (WhiteOnMove(currentMove)) {
6675 if (!appData.premove) {
6676 DisplayMoveError(_("It is White's turn"));
6677 } else if (toX >= 0 && toY >= 0) {
6680 premoveFromX = fromX;
6681 premoveFromY = fromY;
6682 premovePromoChar = promoChar;
6684 if (appData.debugMode)
6685 fprintf(debugFP, "Got premove: fromX %d,"
6686 "fromY %d, toX %d, toY %d\n",
6687 fromX, fromY, toX, toY);
6693 case IcsPlayingWhite:
6694 /* User is moving for White */
6695 if (!WhiteOnMove(currentMove)) {
6696 if (!appData.premove) {
6697 DisplayMoveError(_("It is Black's turn"));
6698 } else if (toX >= 0 && toY >= 0) {
6701 premoveFromX = fromX;
6702 premoveFromY = fromY;
6703 premovePromoChar = promoChar;
6705 if (appData.debugMode)
6706 fprintf(debugFP, "Got premove: fromX %d,"
6707 "fromY %d, toX %d, toY %d\n",
6708 fromX, fromY, toX, toY);
6718 /* EditPosition, empty square, or different color piece;
6719 click-click move is possible */
6720 if (toX == -2 || toY == -2) {
6721 boards[0][fromY][fromX] = EmptySquare;
6722 DrawPosition(FALSE, boards[currentMove]);
6724 } else if (toX >= 0 && toY >= 0) {
6725 boards[0][toY][toX] = boards[0][fromY][fromX];
6726 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6727 if(boards[0][fromY][0] != EmptySquare) {
6728 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6729 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6732 if(fromX == BOARD_RGHT+1) {
6733 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6734 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6735 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6738 boards[0][fromY][fromX] = gatingPiece;
6739 DrawPosition(FALSE, boards[currentMove]);
6745 if(toX < 0 || toY < 0) return;
6746 pup = boards[currentMove][toY][toX];
6748 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6749 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6750 if( pup != EmptySquare ) return;
6751 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6752 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6753 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6754 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6755 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6756 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6757 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6761 /* [HGM] always test for legality, to get promotion info */
6762 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6763 fromY, fromX, toY, toX, promoChar);
6765 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6767 /* [HGM] but possibly ignore an IllegalMove result */
6768 if (appData.testLegality) {
6769 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6770 DisplayMoveError(_("Illegal move"));
6775 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6776 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6777 ClearPremoveHighlights(); // was included
6778 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6782 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6785 /* Common tail of UserMoveEvent and DropMenuEvent */
6787 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6791 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6792 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6793 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6794 if(WhiteOnMove(currentMove)) {
6795 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6797 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6801 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6802 move type in caller when we know the move is a legal promotion */
6803 if(moveType == NormalMove && promoChar)
6804 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6806 /* [HGM] <popupFix> The following if has been moved here from
6807 UserMoveEvent(). Because it seemed to belong here (why not allow
6808 piece drops in training games?), and because it can only be
6809 performed after it is known to what we promote. */
6810 if (gameMode == Training) {
6811 /* compare the move played on the board to the next move in the
6812 * game. If they match, display the move and the opponent's response.
6813 * If they don't match, display an error message.
6817 CopyBoard(testBoard, boards[currentMove]);
6818 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6820 if (CompareBoards(testBoard, boards[currentMove+1])) {
6821 ForwardInner(currentMove+1);
6823 /* Autoplay the opponent's response.
6824 * if appData.animate was TRUE when Training mode was entered,
6825 * the response will be animated.
6827 saveAnimate = appData.animate;
6828 appData.animate = animateTraining;
6829 ForwardInner(currentMove+1);
6830 appData.animate = saveAnimate;
6832 /* check for the end of the game */
6833 if (currentMove >= forwardMostMove) {
6834 gameMode = PlayFromGameFile;
6836 SetTrainingModeOff();
6837 DisplayInformation(_("End of game"));
6840 DisplayError(_("Incorrect move"), 0);
6845 /* Ok, now we know that the move is good, so we can kill
6846 the previous line in Analysis Mode */
6847 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6848 && currentMove < forwardMostMove) {
6849 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6850 else forwardMostMove = currentMove;
6855 /* If we need the chess program but it's dead, restart it */
6856 ResurrectChessProgram();
6858 /* A user move restarts a paused game*/
6862 thinkOutput[0] = NULLCHAR;
6864 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6866 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6867 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6871 if (gameMode == BeginningOfGame) {
6872 if (appData.noChessProgram) {
6873 gameMode = EditGame;
6877 gameMode = MachinePlaysBlack;
6880 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6882 if (first.sendName) {
6883 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6884 SendToProgram(buf, &first);
6891 /* Relay move to ICS or chess engine */
6892 if (appData.icsActive) {
6893 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6894 gameMode == IcsExamining) {
6895 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6896 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6898 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6900 // also send plain move, in case ICS does not understand atomic claims
6901 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6905 if (first.sendTime && (gameMode == BeginningOfGame ||
6906 gameMode == MachinePlaysWhite ||
6907 gameMode == MachinePlaysBlack)) {
6908 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6910 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6911 // [HGM] book: if program might be playing, let it use book
6912 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6913 first.maybeThinking = TRUE;
6914 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6915 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6916 SendBoard(&first, currentMove+1);
6917 if(second.analyzing) {
6918 if(!second.useSetboard) SendToProgram("undo\n", &second);
6919 SendBoard(&second, currentMove+1);
6922 SendMoveToProgram(forwardMostMove-1, &first);
6923 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6925 if (currentMove == cmailOldMove + 1) {
6926 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6930 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6934 if(appData.testLegality)
6935 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6941 if (WhiteOnMove(currentMove)) {
6942 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6944 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6948 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6953 case MachinePlaysBlack:
6954 case MachinePlaysWhite:
6955 /* disable certain menu options while machine is thinking */
6956 SetMachineThinkingEnables();
6963 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6964 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6966 if(bookHit) { // [HGM] book: simulate book reply
6967 static char bookMove[MSG_SIZ]; // a bit generous?
6969 programStats.nodes = programStats.depth = programStats.time =
6970 programStats.score = programStats.got_only_move = 0;
6971 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6973 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6974 strcat(bookMove, bookHit);
6975 HandleMachineMove(bookMove, &first);
6981 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6983 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6984 Markers *m = (Markers *) closure;
6985 if(rf == fromY && ff == fromX)
6986 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6987 || kind == WhiteCapturesEnPassant
6988 || kind == BlackCapturesEnPassant);
6989 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6993 MarkTargetSquares (int clear)
6996 if(clear) // no reason to ever suppress clearing
6997 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6998 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6999 !appData.testLegality || gameMode == EditPosition) return;
7002 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7003 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7004 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7006 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7009 DrawPosition(FALSE, NULL);
7013 Explode (Board board, int fromX, int fromY, int toX, int toY)
7015 if(gameInfo.variant == VariantAtomic &&
7016 (board[toY][toX] != EmptySquare || // capture?
7017 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7018 board[fromY][fromX] == BlackPawn )
7020 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7026 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7029 CanPromote (ChessSquare piece, int y)
7031 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7032 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7033 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7034 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7035 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7036 gameInfo.variant == VariantMakruk) return FALSE;
7037 return (piece == BlackPawn && y == 1 ||
7038 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7039 piece == BlackLance && y == 1 ||
7040 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7044 LeftClick (ClickType clickType, int xPix, int yPix)
7047 Boolean saveAnimate;
7048 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7049 char promoChoice = NULLCHAR;
7051 static TimeMark lastClickTime, prevClickTime;
7053 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7055 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7057 if (clickType == Press) ErrorPopDown();
7059 x = EventToSquare(xPix, BOARD_WIDTH);
7060 y = EventToSquare(yPix, BOARD_HEIGHT);
7061 if (!flipView && y >= 0) {
7062 y = BOARD_HEIGHT - 1 - y;
7064 if (flipView && x >= 0) {
7065 x = BOARD_WIDTH - 1 - x;
7068 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7069 defaultPromoChoice = promoSweep;
7070 promoSweep = EmptySquare; // terminate sweep
7071 promoDefaultAltered = TRUE;
7072 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7075 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7076 if(clickType == Release) return; // ignore upclick of click-click destination
7077 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7078 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7079 if(gameInfo.holdingsWidth &&
7080 (WhiteOnMove(currentMove)
7081 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7082 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7083 // click in right holdings, for determining promotion piece
7084 ChessSquare p = boards[currentMove][y][x];
7085 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7086 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7087 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7088 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7093 DrawPosition(FALSE, boards[currentMove]);
7097 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7098 if(clickType == Press
7099 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7100 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7101 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7104 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7105 // could be static click on premove from-square: abort premove
7107 ClearPremoveHighlights();
7110 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7111 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7113 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7114 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7115 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7116 defaultPromoChoice = DefaultPromoChoice(side);
7119 autoQueen = appData.alwaysPromoteToQueen;
7123 gatingPiece = EmptySquare;
7124 if (clickType != Press) {
7125 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7126 DragPieceEnd(xPix, yPix); dragging = 0;
7127 DrawPosition(FALSE, NULL);
7131 doubleClick = FALSE;
7132 if(gameMode == AnalyzeMode && pausing && first.excludeMoves) { // use pause state to exclude moves
7133 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7135 fromX = x; fromY = y; toX = toY = -1;
7136 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7137 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7138 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7140 if (OKToStartUserMove(fromX, fromY)) {
7142 MarkTargetSquares(0);
7143 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7144 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7145 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7146 promoSweep = defaultPromoChoice;
7147 selectFlag = 0; lastX = xPix; lastY = yPix;
7148 Sweep(0); // Pawn that is going to promote: preview promotion piece
7149 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7151 if (appData.highlightDragging) {
7152 SetHighlights(fromX, fromY, -1, -1);
7156 } else fromX = fromY = -1;
7162 if (clickType == Press && gameMode != EditPosition) {
7167 // ignore off-board to clicks
7168 if(y < 0 || x < 0) return;
7170 /* Check if clicking again on the same color piece */
7171 fromP = boards[currentMove][fromY][fromX];
7172 toP = boards[currentMove][y][x];
7173 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7174 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7175 WhitePawn <= toP && toP <= WhiteKing &&
7176 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7177 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7178 (BlackPawn <= fromP && fromP <= BlackKing &&
7179 BlackPawn <= toP && toP <= BlackKing &&
7180 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7181 !(fromP == BlackKing && toP == BlackRook && frc))) {
7182 /* Clicked again on same color piece -- changed his mind */
7183 second = (x == fromX && y == fromY);
7184 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7185 second = FALSE; // first double-click rather than scond click
7186 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7188 promoDefaultAltered = FALSE;
7189 MarkTargetSquares(1);
7190 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7191 if (appData.highlightDragging) {
7192 SetHighlights(x, y, -1, -1);
7196 if (OKToStartUserMove(x, y)) {
7197 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7198 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7199 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7200 gatingPiece = boards[currentMove][fromY][fromX];
7201 else gatingPiece = doubleClick ? fromP : EmptySquare;
7203 fromY = y; dragging = 1;
7204 MarkTargetSquares(0);
7205 DragPieceBegin(xPix, yPix, FALSE);
7206 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7207 promoSweep = defaultPromoChoice;
7208 selectFlag = 0; lastX = xPix; lastY = yPix;
7209 Sweep(0); // Pawn that is going to promote: preview promotion piece
7213 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7216 // ignore clicks on holdings
7217 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7220 if (clickType == Release && x == fromX && y == fromY) {
7221 DragPieceEnd(xPix, yPix); dragging = 0;
7223 // a deferred attempt to click-click move an empty square on top of a piece
7224 boards[currentMove][y][x] = EmptySquare;
7226 DrawPosition(FALSE, boards[currentMove]);
7227 fromX = fromY = -1; clearFlag = 0;
7230 if (appData.animateDragging) {
7231 /* Undo animation damage if any */
7232 DrawPosition(FALSE, NULL);
7234 if (second || sweepSelecting) {
7235 /* Second up/down in same square; just abort move */
7236 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7237 second = sweepSelecting = 0;
7239 gatingPiece = EmptySquare;
7242 ClearPremoveHighlights();
7244 /* First upclick in same square; start click-click mode */
7245 SetHighlights(x, y, -1, -1);
7252 /* we now have a different from- and (possibly off-board) to-square */
7253 /* Completed move */
7254 if(!sweepSelecting) {
7257 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7259 saveAnimate = appData.animate;
7260 if (clickType == Press) {
7261 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7262 // must be Edit Position mode with empty-square selected
7263 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7264 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7267 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7268 if(appData.sweepSelect) {
7269 ChessSquare piece = boards[currentMove][fromY][fromX];
7270 promoSweep = defaultPromoChoice;
7271 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7272 selectFlag = 0; lastX = xPix; lastY = yPix;
7273 Sweep(0); // Pawn that is going to promote: preview promotion piece
7275 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7276 MarkTargetSquares(1);
7278 return; // promo popup appears on up-click
7280 /* Finish clickclick move */
7281 if (appData.animate || appData.highlightLastMove) {
7282 SetHighlights(fromX, fromY, toX, toY);
7288 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7289 /* Finish drag move */
7290 if (appData.highlightLastMove) {
7291 SetHighlights(fromX, fromY, toX, toY);
7296 DragPieceEnd(xPix, yPix); dragging = 0;
7297 /* Don't animate move and drag both */
7298 appData.animate = FALSE;
7301 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7302 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7303 ChessSquare piece = boards[currentMove][fromY][fromX];
7304 if(gameMode == EditPosition && piece != EmptySquare &&
7305 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7308 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7309 n = PieceToNumber(piece - (int)BlackPawn);
7310 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7311 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7312 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7314 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7315 n = PieceToNumber(piece);
7316 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7317 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7318 boards[currentMove][n][BOARD_WIDTH-2]++;
7320 boards[currentMove][fromY][fromX] = EmptySquare;
7324 MarkTargetSquares(1);
7325 DrawPosition(TRUE, boards[currentMove]);
7329 // off-board moves should not be highlighted
7330 if(x < 0 || y < 0) ClearHighlights();
7332 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7334 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7335 SetHighlights(fromX, fromY, toX, toY);
7336 MarkTargetSquares(1);
7337 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7338 // [HGM] super: promotion to captured piece selected from holdings
7339 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7340 promotionChoice = TRUE;
7341 // kludge follows to temporarily execute move on display, without promoting yet
7342 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7343 boards[currentMove][toY][toX] = p;
7344 DrawPosition(FALSE, boards[currentMove]);
7345 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7346 boards[currentMove][toY][toX] = q;
7347 DisplayMessage("Click in holdings to choose piece", "");
7352 int oldMove = currentMove;
7353 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7354 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7355 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7356 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7357 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7358 DrawPosition(TRUE, boards[currentMove]);
7359 MarkTargetSquares(1);
7362 appData.animate = saveAnimate;
7363 if (appData.animate || appData.animateDragging) {
7364 /* Undo animation damage if needed */
7365 DrawPosition(FALSE, NULL);
7370 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7371 { // front-end-free part taken out of PieceMenuPopup
7372 int whichMenu; int xSqr, ySqr;
7374 if(seekGraphUp) { // [HGM] seekgraph
7375 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7376 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7380 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7381 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7382 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7383 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7384 if(action == Press) {
7385 originalFlip = flipView;
7386 flipView = !flipView; // temporarily flip board to see game from partners perspective
7387 DrawPosition(TRUE, partnerBoard);
7388 DisplayMessage(partnerStatus, "");
7390 } else if(action == Release) {
7391 flipView = originalFlip;
7392 DrawPosition(TRUE, boards[currentMove]);
7398 xSqr = EventToSquare(x, BOARD_WIDTH);
7399 ySqr = EventToSquare(y, BOARD_HEIGHT);
7400 if (action == Release) {
7401 if(pieceSweep != EmptySquare) {
7402 EditPositionMenuEvent(pieceSweep, toX, toY);
7403 pieceSweep = EmptySquare;
7404 } else UnLoadPV(); // [HGM] pv
7406 if (action != Press) return -2; // return code to be ignored
7409 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7411 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7412 if (xSqr < 0 || ySqr < 0) return -1;
7413 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7414 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7415 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7416 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7420 if(!appData.icsEngineAnalyze) return -1;
7421 case IcsPlayingWhite:
7422 case IcsPlayingBlack:
7423 if(!appData.zippyPlay) goto noZip;
7426 case MachinePlaysWhite:
7427 case MachinePlaysBlack:
7428 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7429 if (!appData.dropMenu) {
7431 return 2; // flag front-end to grab mouse events
7433 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7434 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7437 if (xSqr < 0 || ySqr < 0) return -1;
7438 if (!appData.dropMenu || appData.testLegality &&
7439 gameInfo.variant != VariantBughouse &&
7440 gameInfo.variant != VariantCrazyhouse) return -1;
7441 whichMenu = 1; // drop menu
7447 if (((*fromX = xSqr) < 0) ||
7448 ((*fromY = ySqr) < 0)) {
7449 *fromX = *fromY = -1;
7453 *fromX = BOARD_WIDTH - 1 - *fromX;
7455 *fromY = BOARD_HEIGHT - 1 - *fromY;
7461 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7463 // char * hint = lastHint;
7464 FrontEndProgramStats stats;
7466 stats.which = cps == &first ? 0 : 1;
7467 stats.depth = cpstats->depth;
7468 stats.nodes = cpstats->nodes;
7469 stats.score = cpstats->score;
7470 stats.time = cpstats->time;
7471 stats.pv = cpstats->movelist;
7472 stats.hint = lastHint;
7473 stats.an_move_index = 0;
7474 stats.an_move_count = 0;
7476 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7477 stats.hint = cpstats->move_name;
7478 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7479 stats.an_move_count = cpstats->nr_moves;
7482 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
7484 SetProgramStats( &stats );
7488 ClearEngineOutputPane (int which)
7490 static FrontEndProgramStats dummyStats;
7491 dummyStats.which = which;
7492 dummyStats.pv = "#";
7493 SetProgramStats( &dummyStats );
7496 #define MAXPLAYERS 500
7499 TourneyStandings (int display)
7501 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7502 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7503 char result, *p, *names[MAXPLAYERS];
7505 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7506 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7507 names[0] = p = strdup(appData.participants);
7508 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7510 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7512 while(result = appData.results[nr]) {
7513 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7514 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7515 wScore = bScore = 0;
7517 case '+': wScore = 2; break;
7518 case '-': bScore = 2; break;
7519 case '=': wScore = bScore = 1; break;
7521 case '*': return strdup("busy"); // tourney not finished
7529 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7530 for(w=0; w<nPlayers; w++) {
7532 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7533 ranking[w] = b; points[w] = bScore; score[b] = -2;
7535 p = malloc(nPlayers*34+1);
7536 for(w=0; w<nPlayers && w<display; w++)
7537 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7543 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7544 { // count all piece types
7546 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7547 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7548 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7551 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7552 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7553 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7554 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7555 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7556 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7561 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7563 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7564 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7566 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7567 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7568 if(myPawns == 2 && nMine == 3) // KPP
7569 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7570 if(myPawns == 1 && nMine == 2) // KP
7571 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7572 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7573 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7574 if(myPawns) return FALSE;
7575 if(pCnt[WhiteRook+side])
7576 return pCnt[BlackRook-side] ||
7577 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7578 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7579 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7580 if(pCnt[WhiteCannon+side]) {
7581 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7582 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7584 if(pCnt[WhiteKnight+side])
7585 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7590 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7592 VariantClass v = gameInfo.variant;
7594 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7595 if(v == VariantShatranj) return TRUE; // always winnable through baring
7596 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7597 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7599 if(v == VariantXiangqi) {
7600 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7602 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7603 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7604 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7605 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7606 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7607 if(stale) // we have at least one last-rank P plus perhaps C
7608 return majors // KPKX
7609 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7611 return pCnt[WhiteFerz+side] // KCAK
7612 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7613 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7614 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7616 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7617 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7619 if(nMine == 1) return FALSE; // bare King
7620 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
7621 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7622 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7623 // by now we have King + 1 piece (or multiple Bishops on the same color)
7624 if(pCnt[WhiteKnight+side])
7625 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7626 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7627 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7629 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7630 if(pCnt[WhiteAlfil+side])
7631 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7632 if(pCnt[WhiteWazir+side])
7633 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7640 CompareWithRights (Board b1, Board b2)
7643 if(!CompareBoards(b1, b2)) return FALSE;
7644 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7645 /* compare castling rights */
7646 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7647 rights++; /* King lost rights, while rook still had them */
7648 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7649 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7650 rights++; /* but at least one rook lost them */
7652 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7654 if( b1[CASTLING][5] != NoRights ) {
7655 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7662 Adjudicate (ChessProgramState *cps)
7663 { // [HGM] some adjudications useful with buggy engines
7664 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7665 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7666 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7667 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7668 int k, count = 0; static int bare = 1;
7669 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7670 Boolean canAdjudicate = !appData.icsActive;
7672 // most tests only when we understand the game, i.e. legality-checking on
7673 if( appData.testLegality )
7674 { /* [HGM] Some more adjudications for obstinate engines */
7675 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7676 static int moveCount = 6;
7678 char *reason = NULL;
7680 /* Count what is on board. */
7681 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7683 /* Some material-based adjudications that have to be made before stalemate test */
7684 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7685 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7686 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7687 if(canAdjudicate && appData.checkMates) {
7689 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7690 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7691 "Xboard adjudication: King destroyed", GE_XBOARD );
7696 /* Bare King in Shatranj (loses) or Losers (wins) */
7697 if( nrW == 1 || nrB == 1) {
7698 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7699 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7700 if(canAdjudicate && appData.checkMates) {
7702 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7703 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7704 "Xboard adjudication: Bare king", GE_XBOARD );
7708 if( gameInfo.variant == VariantShatranj && --bare < 0)
7710 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7711 if(canAdjudicate && appData.checkMates) {
7712 /* but only adjudicate if adjudication enabled */
7714 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7715 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7716 "Xboard adjudication: Bare king", GE_XBOARD );
7723 // don't wait for engine to announce game end if we can judge ourselves
7724 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7726 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7727 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7728 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7729 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7732 reason = "Xboard adjudication: 3rd check";
7733 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7743 reason = "Xboard adjudication: Stalemate";
7744 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7745 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7746 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7747 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7748 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7749 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7750 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7751 EP_CHECKMATE : EP_WINS);
7752 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7753 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7757 reason = "Xboard adjudication: Checkmate";
7758 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7762 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7764 result = GameIsDrawn; break;
7766 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7768 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7772 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7774 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7775 GameEnds( result, reason, GE_XBOARD );
7779 /* Next absolutely insufficient mating material. */
7780 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7781 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7782 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7784 /* always flag draws, for judging claims */
7785 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7787 if(canAdjudicate && appData.materialDraws) {
7788 /* but only adjudicate them if adjudication enabled */
7789 if(engineOpponent) {
7790 SendToProgram("force\n", engineOpponent); // suppress reply
7791 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7793 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7798 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7799 if(gameInfo.variant == VariantXiangqi ?
7800 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7802 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7803 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7804 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7805 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7807 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7808 { /* if the first 3 moves do not show a tactical win, declare draw */
7809 if(engineOpponent) {
7810 SendToProgram("force\n", engineOpponent); // suppress reply
7811 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7813 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7816 } else moveCount = 6;
7819 // Repetition draws and 50-move rule can be applied independently of legality testing
7821 /* Check for rep-draws */
7823 for(k = forwardMostMove-2;
7824 k>=backwardMostMove && k>=forwardMostMove-100 &&
7825 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7826 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7829 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7830 /* compare castling rights */
7831 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7832 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7833 rights++; /* King lost rights, while rook still had them */
7834 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7835 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7836 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7837 rights++; /* but at least one rook lost them */
7839 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7840 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7842 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7843 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7844 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7847 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7848 && appData.drawRepeats > 1) {
7849 /* adjudicate after user-specified nr of repeats */
7850 int result = GameIsDrawn;
7851 char *details = "XBoard adjudication: repetition draw";
7852 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7853 // [HGM] xiangqi: check for forbidden perpetuals
7854 int m, ourPerpetual = 1, hisPerpetual = 1;
7855 for(m=forwardMostMove; m>k; m-=2) {
7856 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7857 ourPerpetual = 0; // the current mover did not always check
7858 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7859 hisPerpetual = 0; // the opponent did not always check
7861 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7862 ourPerpetual, hisPerpetual);
7863 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7864 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7865 details = "Xboard adjudication: perpetual checking";
7867 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7868 break; // (or we would have caught him before). Abort repetition-checking loop.
7870 // Now check for perpetual chases
7871 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7872 hisPerpetual = PerpetualChase(k, forwardMostMove);
7873 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7874 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7875 static char resdet[MSG_SIZ];
7876 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7878 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7880 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7881 break; // Abort repetition-checking loop.
7883 // if neither of us is checking or chasing all the time, or both are, it is draw
7885 if(engineOpponent) {
7886 SendToProgram("force\n", engineOpponent); // suppress reply
7887 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7889 GameEnds( result, details, GE_XBOARD );
7892 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7893 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7897 /* Now we test for 50-move draws. Determine ply count */
7898 count = forwardMostMove;
7899 /* look for last irreversble move */
7900 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7902 /* if we hit starting position, add initial plies */
7903 if( count == backwardMostMove )
7904 count -= initialRulePlies;
7905 count = forwardMostMove - count;
7906 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7907 // adjust reversible move counter for checks in Xiangqi
7908 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7909 if(i < backwardMostMove) i = backwardMostMove;
7910 while(i <= forwardMostMove) {
7911 lastCheck = inCheck; // check evasion does not count
7912 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7913 if(inCheck || lastCheck) count--; // check does not count
7918 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7919 /* this is used to judge if draw claims are legal */
7920 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7921 if(engineOpponent) {
7922 SendToProgram("force\n", engineOpponent); // suppress reply
7923 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7925 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7929 /* if draw offer is pending, treat it as a draw claim
7930 * when draw condition present, to allow engines a way to
7931 * claim draws before making their move to avoid a race
7932 * condition occurring after their move
7934 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7936 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7937 p = "Draw claim: 50-move rule";
7938 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7939 p = "Draw claim: 3-fold repetition";
7940 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7941 p = "Draw claim: insufficient mating material";
7942 if( p != NULL && canAdjudicate) {
7943 if(engineOpponent) {
7944 SendToProgram("force\n", engineOpponent); // suppress reply
7945 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7947 GameEnds( GameIsDrawn, p, GE_XBOARD );
7952 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7953 if(engineOpponent) {
7954 SendToProgram("force\n", engineOpponent); // suppress reply
7955 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7957 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7964 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7965 { // [HGM] book: this routine intercepts moves to simulate book replies
7966 char *bookHit = NULL;
7968 //first determine if the incoming move brings opponent into his book
7969 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7970 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7971 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7972 if(bookHit != NULL && !cps->bookSuspend) {
7973 // make sure opponent is not going to reply after receiving move to book position
7974 SendToProgram("force\n", cps);
7975 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7977 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7978 // now arrange restart after book miss
7980 // after a book hit we never send 'go', and the code after the call to this routine
7981 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7982 char buf[MSG_SIZ], *move = bookHit;
7984 int fromX, fromY, toX, toY;
7988 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7989 &fromX, &fromY, &toX, &toY, &promoChar)) {
7990 (void) CoordsToAlgebraic(boards[forwardMostMove],
7991 PosFlags(forwardMostMove),
7992 fromY, fromX, toY, toX, promoChar, move);
7994 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7998 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7999 SendToProgram(buf, cps);
8000 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8001 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8002 SendToProgram("go\n", cps);
8003 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8004 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8005 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8006 SendToProgram("go\n", cps);
8007 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8009 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8013 LoadError (char *errmess, ChessProgramState *cps)
8014 { // unloads engine and switches back to -ncp mode if it was first
8015 if(cps->initDone) return FALSE;
8016 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8017 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8020 appData.noChessProgram = TRUE;
8021 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8022 gameMode = BeginningOfGame; ModeHighlight();
8025 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8026 DisplayMessage("", ""); // erase waiting message
8027 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8032 ChessProgramState *savedState;
8034 DeferredBookMove (void)
8036 if(savedState->lastPing != savedState->lastPong)
8037 ScheduleDelayedEvent(DeferredBookMove, 10);
8039 HandleMachineMove(savedMessage, savedState);
8042 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8043 static ChessProgramState *stalledEngine;
8044 static char stashedInputMove[MSG_SIZ];
8047 HandleMachineMove (char *message, ChessProgramState *cps)
8049 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8050 char realname[MSG_SIZ];
8051 int fromX, fromY, toX, toY;
8055 int machineWhite, oldError;
8058 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8059 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8060 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8061 DisplayError(_("Invalid pairing from pairing engine"), 0);
8064 pairingReceived = 1;
8066 return; // Skim the pairing messages here.
8069 oldError = cps->userError; cps->userError = 0;
8071 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8073 * Kludge to ignore BEL characters
8075 while (*message == '\007') message++;
8078 * [HGM] engine debug message: ignore lines starting with '#' character
8080 if(cps->debug && *message == '#') return;
8083 * Look for book output
8085 if (cps == &first && bookRequested) {
8086 if (message[0] == '\t' || message[0] == ' ') {
8087 /* Part of the book output is here; append it */
8088 strcat(bookOutput, message);
8089 strcat(bookOutput, " \n");
8091 } else if (bookOutput[0] != NULLCHAR) {
8092 /* All of book output has arrived; display it */
8093 char *p = bookOutput;
8094 while (*p != NULLCHAR) {
8095 if (*p == '\t') *p = ' ';
8098 DisplayInformation(bookOutput);
8099 bookRequested = FALSE;
8100 /* Fall through to parse the current output */
8105 * Look for machine move.
8107 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8108 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8110 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8111 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8112 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8113 stalledEngine = cps;
8114 if(appData.ponderNextMove) { // bring both engines out of ponder
8115 SendToProgram("easy\n", &first);
8116 if(gameMode == TwoMachinesPlay) SendToProgram("easy\n", &second);
8122 /* This method is only useful on engines that support ping */
8123 if (cps->lastPing != cps->lastPong) {
8124 if (gameMode == BeginningOfGame) {
8125 /* Extra move from before last new; ignore */
8126 if (appData.debugMode) {
8127 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8130 if (appData.debugMode) {
8131 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8132 cps->which, gameMode);
8135 SendToProgram("undo\n", cps);
8141 case BeginningOfGame:
8142 /* Extra move from before last reset; ignore */
8143 if (appData.debugMode) {
8144 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8151 /* Extra move after we tried to stop. The mode test is
8152 not a reliable way of detecting this problem, but it's
8153 the best we can do on engines that don't support ping.
8155 if (appData.debugMode) {
8156 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8157 cps->which, gameMode);
8159 SendToProgram("undo\n", cps);
8162 case MachinePlaysWhite:
8163 case IcsPlayingWhite:
8164 machineWhite = TRUE;
8167 case MachinePlaysBlack:
8168 case IcsPlayingBlack:
8169 machineWhite = FALSE;
8172 case TwoMachinesPlay:
8173 machineWhite = (cps->twoMachinesColor[0] == 'w');
8176 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8177 if (appData.debugMode) {
8179 "Ignoring move out of turn by %s, gameMode %d"
8180 ", forwardMost %d\n",
8181 cps->which, gameMode, forwardMostMove);
8186 if(cps->alphaRank) AlphaRank(machineMove, 4);
8187 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8188 &fromX, &fromY, &toX, &toY, &promoChar)) {
8189 /* Machine move could not be parsed; ignore it. */
8190 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8191 machineMove, _(cps->which));
8192 DisplayError(buf1, 0);
8193 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8194 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8195 if (gameMode == TwoMachinesPlay) {
8196 GameEnds(machineWhite ? BlackWins : WhiteWins,
8202 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8203 /* So we have to redo legality test with true e.p. status here, */
8204 /* to make sure an illegal e.p. capture does not slip through, */
8205 /* to cause a forfeit on a justified illegal-move complaint */
8206 /* of the opponent. */
8207 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8209 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8210 fromY, fromX, toY, toX, promoChar);
8211 if(moveType == IllegalMove) {
8212 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8213 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8214 GameEnds(machineWhite ? BlackWins : WhiteWins,
8217 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8218 /* [HGM] Kludge to handle engines that send FRC-style castling
8219 when they shouldn't (like TSCP-Gothic) */
8221 case WhiteASideCastleFR:
8222 case BlackASideCastleFR:
8224 currentMoveString[2]++;
8226 case WhiteHSideCastleFR:
8227 case BlackHSideCastleFR:
8229 currentMoveString[2]--;
8231 default: ; // nothing to do, but suppresses warning of pedantic compilers
8234 hintRequested = FALSE;
8235 lastHint[0] = NULLCHAR;
8236 bookRequested = FALSE;
8237 /* Program may be pondering now */
8238 cps->maybeThinking = TRUE;
8239 if (cps->sendTime == 2) cps->sendTime = 1;
8240 if (cps->offeredDraw) cps->offeredDraw--;
8242 /* [AS] Save move info*/
8243 pvInfoList[ forwardMostMove ].score = programStats.score;
8244 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8245 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8247 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8249 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8250 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8253 while( count < adjudicateLossPlies ) {
8254 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8257 score = -score; /* Flip score for winning side */
8260 if( score > adjudicateLossThreshold ) {
8267 if( count >= adjudicateLossPlies ) {
8268 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8270 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8271 "Xboard adjudication",
8278 if(Adjudicate(cps)) {
8279 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8280 return; // [HGM] adjudicate: for all automatic game ends
8284 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8286 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8287 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8289 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8291 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8293 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8294 char buf[3*MSG_SIZ];
8296 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8297 programStats.score / 100.,
8299 programStats.time / 100.,
8300 (unsigned int)programStats.nodes,
8301 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8302 programStats.movelist);
8304 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8309 /* [AS] Clear stats for next move */
8310 ClearProgramStats();
8311 thinkOutput[0] = NULLCHAR;
8312 hiddenThinkOutputState = 0;
8315 if (gameMode == TwoMachinesPlay) {
8316 /* [HGM] relaying draw offers moved to after reception of move */
8317 /* and interpreting offer as claim if it brings draw condition */
8318 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8319 SendToProgram("draw\n", cps->other);
8321 if (cps->other->sendTime) {
8322 SendTimeRemaining(cps->other,
8323 cps->other->twoMachinesColor[0] == 'w');
8325 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8326 if (firstMove && !bookHit) {
8328 if (cps->other->useColors) {
8329 SendToProgram(cps->other->twoMachinesColor, cps->other);
8331 SendToProgram("go\n", cps->other);
8333 cps->other->maybeThinking = TRUE;
8336 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8338 if (!pausing && appData.ringBellAfterMoves) {
8343 * Reenable menu items that were disabled while
8344 * machine was thinking
8346 if (gameMode != TwoMachinesPlay)
8347 SetUserThinkingEnables();
8349 // [HGM] book: after book hit opponent has received move and is now in force mode
8350 // force the book reply into it, and then fake that it outputted this move by jumping
8351 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8353 static char bookMove[MSG_SIZ]; // a bit generous?
8355 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8356 strcat(bookMove, bookHit);
8359 programStats.nodes = programStats.depth = programStats.time =
8360 programStats.score = programStats.got_only_move = 0;
8361 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8363 if(cps->lastPing != cps->lastPong) {
8364 savedMessage = message; // args for deferred call
8366 ScheduleDelayedEvent(DeferredBookMove, 10);
8375 /* Set special modes for chess engines. Later something general
8376 * could be added here; for now there is just one kludge feature,
8377 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8378 * when "xboard" is given as an interactive command.
8380 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8381 cps->useSigint = FALSE;
8382 cps->useSigterm = FALSE;
8384 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8385 ParseFeatures(message+8, cps);
8386 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8389 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8390 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8391 int dummy, s=6; char buf[MSG_SIZ];
8392 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8393 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8394 if(startedFromSetupPosition) return;
8395 ParseFEN(boards[0], &dummy, message+s);
8396 DrawPosition(TRUE, boards[0]);
8397 startedFromSetupPosition = TRUE;
8400 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8401 * want this, I was asked to put it in, and obliged.
8403 if (!strncmp(message, "setboard ", 9)) {
8404 Board initial_position;
8406 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8408 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8409 DisplayError(_("Bad FEN received from engine"), 0);
8413 CopyBoard(boards[0], initial_position);
8414 initialRulePlies = FENrulePlies;
8415 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8416 else gameMode = MachinePlaysBlack;
8417 DrawPosition(FALSE, boards[currentMove]);
8423 * Look for communication commands
8425 if (!strncmp(message, "telluser ", 9)) {
8426 if(message[9] == '\\' && message[10] == '\\')
8427 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8429 DisplayNote(message + 9);
8432 if (!strncmp(message, "tellusererror ", 14)) {
8434 if(message[14] == '\\' && message[15] == '\\')
8435 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8437 DisplayError(message + 14, 0);
8440 if (!strncmp(message, "tellopponent ", 13)) {
8441 if (appData.icsActive) {
8443 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8447 DisplayNote(message + 13);
8451 if (!strncmp(message, "tellothers ", 11)) {
8452 if (appData.icsActive) {
8454 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8460 if (!strncmp(message, "tellall ", 8)) {
8461 if (appData.icsActive) {
8463 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8467 DisplayNote(message + 8);
8471 if (strncmp(message, "warning", 7) == 0) {
8472 /* Undocumented feature, use tellusererror in new code */
8473 DisplayError(message, 0);
8476 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8477 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8478 strcat(realname, " query");
8479 AskQuestion(realname, buf2, buf1, cps->pr);
8482 /* Commands from the engine directly to ICS. We don't allow these to be
8483 * sent until we are logged on. Crafty kibitzes have been known to
8484 * interfere with the login process.
8487 if (!strncmp(message, "tellics ", 8)) {
8488 SendToICS(message + 8);
8492 if (!strncmp(message, "tellicsnoalias ", 15)) {
8493 SendToICS(ics_prefix);
8494 SendToICS(message + 15);
8498 /* The following are for backward compatibility only */
8499 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8500 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8501 SendToICS(ics_prefix);
8507 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8511 * If the move is illegal, cancel it and redraw the board.
8512 * Also deal with other error cases. Matching is rather loose
8513 * here to accommodate engines written before the spec.
8515 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8516 strncmp(message, "Error", 5) == 0) {
8517 if (StrStr(message, "name") ||
8518 StrStr(message, "rating") || StrStr(message, "?") ||
8519 StrStr(message, "result") || StrStr(message, "board") ||
8520 StrStr(message, "bk") || StrStr(message, "computer") ||
8521 StrStr(message, "variant") || StrStr(message, "hint") ||
8522 StrStr(message, "random") || StrStr(message, "depth") ||
8523 StrStr(message, "accepted")) {
8526 if (StrStr(message, "protover")) {
8527 /* Program is responding to input, so it's apparently done
8528 initializing, and this error message indicates it is
8529 protocol version 1. So we don't need to wait any longer
8530 for it to initialize and send feature commands. */
8531 FeatureDone(cps, 1);
8532 cps->protocolVersion = 1;
8535 cps->maybeThinking = FALSE;
8537 if (StrStr(message, "draw")) {
8538 /* Program doesn't have "draw" command */
8539 cps->sendDrawOffers = 0;
8542 if (cps->sendTime != 1 &&
8543 (StrStr(message, "time") || StrStr(message, "otim"))) {
8544 /* Program apparently doesn't have "time" or "otim" command */
8548 if (StrStr(message, "analyze")) {
8549 cps->analysisSupport = FALSE;
8550 cps->analyzing = FALSE;
8551 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8552 EditGameEvent(); // [HGM] try to preserve loaded game
8553 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8554 DisplayError(buf2, 0);
8557 if (StrStr(message, "(no matching move)st")) {
8558 /* Special kludge for GNU Chess 4 only */
8559 cps->stKludge = TRUE;
8560 SendTimeControl(cps, movesPerSession, timeControl,
8561 timeIncrement, appData.searchDepth,
8565 if (StrStr(message, "(no matching move)sd")) {
8566 /* Special kludge for GNU Chess 4 only */
8567 cps->sdKludge = TRUE;
8568 SendTimeControl(cps, movesPerSession, timeControl,
8569 timeIncrement, appData.searchDepth,
8573 if (!StrStr(message, "llegal")) {
8576 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8577 gameMode == IcsIdle) return;
8578 if (forwardMostMove <= backwardMostMove) return;
8579 if (pausing) PauseEvent();
8580 if(appData.forceIllegal) {
8581 // [HGM] illegal: machine refused move; force position after move into it
8582 SendToProgram("force\n", cps);
8583 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8584 // we have a real problem now, as SendBoard will use the a2a3 kludge
8585 // when black is to move, while there might be nothing on a2 or black
8586 // might already have the move. So send the board as if white has the move.
8587 // But first we must change the stm of the engine, as it refused the last move
8588 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8589 if(WhiteOnMove(forwardMostMove)) {
8590 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8591 SendBoard(cps, forwardMostMove); // kludgeless board
8593 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8594 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8595 SendBoard(cps, forwardMostMove+1); // kludgeless board
8597 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8598 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8599 gameMode == TwoMachinesPlay)
8600 SendToProgram("go\n", cps);
8603 if (gameMode == PlayFromGameFile) {
8604 /* Stop reading this game file */
8605 gameMode = EditGame;
8608 /* [HGM] illegal-move claim should forfeit game when Xboard */
8609 /* only passes fully legal moves */
8610 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8611 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8612 "False illegal-move claim", GE_XBOARD );
8613 return; // do not take back move we tested as valid
8615 currentMove = forwardMostMove-1;
8616 DisplayMove(currentMove-1); /* before DisplayMoveError */
8617 SwitchClocks(forwardMostMove-1); // [HGM] race
8618 DisplayBothClocks();
8619 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8620 parseList[currentMove], _(cps->which));
8621 DisplayMoveError(buf1);
8622 DrawPosition(FALSE, boards[currentMove]);
8624 SetUserThinkingEnables();
8627 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8628 /* Program has a broken "time" command that
8629 outputs a string not ending in newline.
8635 * If chess program startup fails, exit with an error message.
8636 * Attempts to recover here are futile. [HGM] Well, we try anyway
8638 if ((StrStr(message, "unknown host") != NULL)
8639 || (StrStr(message, "No remote directory") != NULL)
8640 || (StrStr(message, "not found") != NULL)
8641 || (StrStr(message, "No such file") != NULL)
8642 || (StrStr(message, "can't alloc") != NULL)
8643 || (StrStr(message, "Permission denied") != NULL)) {
8645 cps->maybeThinking = FALSE;
8646 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8647 _(cps->which), cps->program, cps->host, message);
8648 RemoveInputSource(cps->isr);
8649 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8650 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8651 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8657 * Look for hint output
8659 if (sscanf(message, "Hint: %s", buf1) == 1) {
8660 if (cps == &first && hintRequested) {
8661 hintRequested = FALSE;
8662 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8663 &fromX, &fromY, &toX, &toY, &promoChar)) {
8664 (void) CoordsToAlgebraic(boards[forwardMostMove],
8665 PosFlags(forwardMostMove),
8666 fromY, fromX, toY, toX, promoChar, buf1);
8667 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8668 DisplayInformation(buf2);
8670 /* Hint move could not be parsed!? */
8671 snprintf(buf2, sizeof(buf2),
8672 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8673 buf1, _(cps->which));
8674 DisplayError(buf2, 0);
8677 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8683 * Ignore other messages if game is not in progress
8685 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8686 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8689 * look for win, lose, draw, or draw offer
8691 if (strncmp(message, "1-0", 3) == 0) {
8692 char *p, *q, *r = "";
8693 p = strchr(message, '{');
8701 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8703 } else if (strncmp(message, "0-1", 3) == 0) {
8704 char *p, *q, *r = "";
8705 p = strchr(message, '{');
8713 /* Kludge for Arasan 4.1 bug */
8714 if (strcmp(r, "Black resigns") == 0) {
8715 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8718 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8720 } else if (strncmp(message, "1/2", 3) == 0) {
8721 char *p, *q, *r = "";
8722 p = strchr(message, '{');
8731 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8734 } else if (strncmp(message, "White resign", 12) == 0) {
8735 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8737 } else if (strncmp(message, "Black resign", 12) == 0) {
8738 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8740 } else if (strncmp(message, "White matches", 13) == 0 ||
8741 strncmp(message, "Black matches", 13) == 0 ) {
8742 /* [HGM] ignore GNUShogi noises */
8744 } else if (strncmp(message, "White", 5) == 0 &&
8745 message[5] != '(' &&
8746 StrStr(message, "Black") == NULL) {
8747 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8749 } else if (strncmp(message, "Black", 5) == 0 &&
8750 message[5] != '(') {
8751 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8753 } else if (strcmp(message, "resign") == 0 ||
8754 strcmp(message, "computer resigns") == 0) {
8756 case MachinePlaysBlack:
8757 case IcsPlayingBlack:
8758 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8760 case MachinePlaysWhite:
8761 case IcsPlayingWhite:
8762 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8764 case TwoMachinesPlay:
8765 if (cps->twoMachinesColor[0] == 'w')
8766 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8768 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8775 } else if (strncmp(message, "opponent mates", 14) == 0) {
8777 case MachinePlaysBlack:
8778 case IcsPlayingBlack:
8779 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8781 case MachinePlaysWhite:
8782 case IcsPlayingWhite:
8783 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8785 case TwoMachinesPlay:
8786 if (cps->twoMachinesColor[0] == 'w')
8787 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8789 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8796 } else if (strncmp(message, "computer mates", 14) == 0) {
8798 case MachinePlaysBlack:
8799 case IcsPlayingBlack:
8800 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8802 case MachinePlaysWhite:
8803 case IcsPlayingWhite:
8804 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8806 case TwoMachinesPlay:
8807 if (cps->twoMachinesColor[0] == 'w')
8808 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8810 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8817 } else if (strncmp(message, "checkmate", 9) == 0) {
8818 if (WhiteOnMove(forwardMostMove)) {
8819 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8821 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8824 } else if (strstr(message, "Draw") != NULL ||
8825 strstr(message, "game is a draw") != NULL) {
8826 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8828 } else if (strstr(message, "offer") != NULL &&
8829 strstr(message, "draw") != NULL) {
8831 if (appData.zippyPlay && first.initDone) {
8832 /* Relay offer to ICS */
8833 SendToICS(ics_prefix);
8834 SendToICS("draw\n");
8837 cps->offeredDraw = 2; /* valid until this engine moves twice */
8838 if (gameMode == TwoMachinesPlay) {
8839 if (cps->other->offeredDraw) {
8840 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8841 /* [HGM] in two-machine mode we delay relaying draw offer */
8842 /* until after we also have move, to see if it is really claim */
8844 } else if (gameMode == MachinePlaysWhite ||
8845 gameMode == MachinePlaysBlack) {
8846 if (userOfferedDraw) {
8847 DisplayInformation(_("Machine accepts your draw offer"));
8848 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8850 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8857 * Look for thinking output
8859 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8860 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8862 int plylev, mvleft, mvtot, curscore, time;
8863 char mvname[MOVE_LEN];
8867 int prefixHint = FALSE;
8868 mvname[0] = NULLCHAR;
8871 case MachinePlaysBlack:
8872 case IcsPlayingBlack:
8873 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8875 case MachinePlaysWhite:
8876 case IcsPlayingWhite:
8877 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8882 case IcsObserving: /* [DM] icsEngineAnalyze */
8883 if (!appData.icsEngineAnalyze) ignore = TRUE;
8885 case TwoMachinesPlay:
8886 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8896 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8898 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8899 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8901 if (plyext != ' ' && plyext != '\t') {
8905 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8906 if( cps->scoreIsAbsolute &&
8907 ( gameMode == MachinePlaysBlack ||
8908 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8909 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8910 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8911 !WhiteOnMove(currentMove)
8914 curscore = -curscore;
8917 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8919 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8922 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8923 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8924 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8925 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8926 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8927 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8929 } else DisplayError(_("failed writing PV"), 0);
8932 tempStats.depth = plylev;
8933 tempStats.nodes = nodes;
8934 tempStats.time = time;
8935 tempStats.score = curscore;
8936 tempStats.got_only_move = 0;
8938 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8941 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8942 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8943 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8944 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8945 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8946 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8947 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8948 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8951 /* Buffer overflow protection */
8952 if (pv[0] != NULLCHAR) {
8953 if (strlen(pv) >= sizeof(tempStats.movelist)
8954 && appData.debugMode) {
8956 "PV is too long; using the first %u bytes.\n",
8957 (unsigned) sizeof(tempStats.movelist) - 1);
8960 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8962 sprintf(tempStats.movelist, " no PV\n");
8965 if (tempStats.seen_stat) {
8966 tempStats.ok_to_send = 1;
8969 if (strchr(tempStats.movelist, '(') != NULL) {
8970 tempStats.line_is_book = 1;
8971 tempStats.nr_moves = 0;
8972 tempStats.moves_left = 0;
8974 tempStats.line_is_book = 0;
8977 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8978 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8980 SendProgramStatsToFrontend( cps, &tempStats );
8983 [AS] Protect the thinkOutput buffer from overflow... this
8984 is only useful if buf1 hasn't overflowed first!
8986 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8988 (gameMode == TwoMachinesPlay ?
8989 ToUpper(cps->twoMachinesColor[0]) : ' '),
8990 ((double) curscore) / 100.0,
8991 prefixHint ? lastHint : "",
8992 prefixHint ? " " : "" );
8994 if( buf1[0] != NULLCHAR ) {
8995 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8997 if( strlen(pv) > max_len ) {
8998 if( appData.debugMode) {
8999 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9001 pv[max_len+1] = '\0';
9004 strcat( thinkOutput, pv);
9007 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9008 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9009 DisplayMove(currentMove - 1);
9013 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9014 /* crafty (9.25+) says "(only move) <move>"
9015 * if there is only 1 legal move
9017 sscanf(p, "(only move) %s", buf1);
9018 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9019 sprintf(programStats.movelist, "%s (only move)", buf1);
9020 programStats.depth = 1;
9021 programStats.nr_moves = 1;
9022 programStats.moves_left = 1;
9023 programStats.nodes = 1;
9024 programStats.time = 1;
9025 programStats.got_only_move = 1;
9027 /* Not really, but we also use this member to
9028 mean "line isn't going to change" (Crafty
9029 isn't searching, so stats won't change) */
9030 programStats.line_is_book = 1;
9032 SendProgramStatsToFrontend( cps, &programStats );
9034 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9035 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9036 DisplayMove(currentMove - 1);
9039 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9040 &time, &nodes, &plylev, &mvleft,
9041 &mvtot, mvname) >= 5) {
9042 /* The stat01: line is from Crafty (9.29+) in response
9043 to the "." command */
9044 programStats.seen_stat = 1;
9045 cps->maybeThinking = TRUE;
9047 if (programStats.got_only_move || !appData.periodicUpdates)
9050 programStats.depth = plylev;
9051 programStats.time = time;
9052 programStats.nodes = nodes;
9053 programStats.moves_left = mvleft;
9054 programStats.nr_moves = mvtot;
9055 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9056 programStats.ok_to_send = 1;
9057 programStats.movelist[0] = '\0';
9059 SendProgramStatsToFrontend( cps, &programStats );
9063 } else if (strncmp(message,"++",2) == 0) {
9064 /* Crafty 9.29+ outputs this */
9065 programStats.got_fail = 2;
9068 } else if (strncmp(message,"--",2) == 0) {
9069 /* Crafty 9.29+ outputs this */
9070 programStats.got_fail = 1;
9073 } else if (thinkOutput[0] != NULLCHAR &&
9074 strncmp(message, " ", 4) == 0) {
9075 unsigned message_len;
9078 while (*p && *p == ' ') p++;
9080 message_len = strlen( p );
9082 /* [AS] Avoid buffer overflow */
9083 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9084 strcat(thinkOutput, " ");
9085 strcat(thinkOutput, p);
9088 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9089 strcat(programStats.movelist, " ");
9090 strcat(programStats.movelist, p);
9093 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9094 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9095 DisplayMove(currentMove - 1);
9103 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9104 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9106 ChessProgramStats cpstats;
9108 if (plyext != ' ' && plyext != '\t') {
9112 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9113 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9114 curscore = -curscore;
9117 cpstats.depth = plylev;
9118 cpstats.nodes = nodes;
9119 cpstats.time = time;
9120 cpstats.score = curscore;
9121 cpstats.got_only_move = 0;
9122 cpstats.movelist[0] = '\0';
9124 if (buf1[0] != NULLCHAR) {
9125 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9128 cpstats.ok_to_send = 0;
9129 cpstats.line_is_book = 0;
9130 cpstats.nr_moves = 0;
9131 cpstats.moves_left = 0;
9133 SendProgramStatsToFrontend( cps, &cpstats );
9140 /* Parse a game score from the character string "game", and
9141 record it as the history of the current game. The game
9142 score is NOT assumed to start from the standard position.
9143 The display is not updated in any way.
9146 ParseGameHistory (char *game)
9149 int fromX, fromY, toX, toY, boardIndex;
9154 if (appData.debugMode)
9155 fprintf(debugFP, "Parsing game history: %s\n", game);
9157 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9158 gameInfo.site = StrSave(appData.icsHost);
9159 gameInfo.date = PGNDate();
9160 gameInfo.round = StrSave("-");
9162 /* Parse out names of players */
9163 while (*game == ' ') game++;
9165 while (*game != ' ') *p++ = *game++;
9167 gameInfo.white = StrSave(buf);
9168 while (*game == ' ') game++;
9170 while (*game != ' ' && *game != '\n') *p++ = *game++;
9172 gameInfo.black = StrSave(buf);
9175 boardIndex = blackPlaysFirst ? 1 : 0;
9178 yyboardindex = boardIndex;
9179 moveType = (ChessMove) Myylex();
9181 case IllegalMove: /* maybe suicide chess, etc. */
9182 if (appData.debugMode) {
9183 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9184 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9185 setbuf(debugFP, NULL);
9187 case WhitePromotion:
9188 case BlackPromotion:
9189 case WhiteNonPromotion:
9190 case BlackNonPromotion:
9192 case WhiteCapturesEnPassant:
9193 case BlackCapturesEnPassant:
9194 case WhiteKingSideCastle:
9195 case WhiteQueenSideCastle:
9196 case BlackKingSideCastle:
9197 case BlackQueenSideCastle:
9198 case WhiteKingSideCastleWild:
9199 case WhiteQueenSideCastleWild:
9200 case BlackKingSideCastleWild:
9201 case BlackQueenSideCastleWild:
9203 case WhiteHSideCastleFR:
9204 case WhiteASideCastleFR:
9205 case BlackHSideCastleFR:
9206 case BlackASideCastleFR:
9208 fromX = currentMoveString[0] - AAA;
9209 fromY = currentMoveString[1] - ONE;
9210 toX = currentMoveString[2] - AAA;
9211 toY = currentMoveString[3] - ONE;
9212 promoChar = currentMoveString[4];
9216 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9217 fromX = moveType == WhiteDrop ?
9218 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9219 (int) CharToPiece(ToLower(currentMoveString[0]));
9221 toX = currentMoveString[2] - AAA;
9222 toY = currentMoveString[3] - ONE;
9223 promoChar = NULLCHAR;
9227 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9228 if (appData.debugMode) {
9229 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9230 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9231 setbuf(debugFP, NULL);
9233 DisplayError(buf, 0);
9235 case ImpossibleMove:
9237 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9238 if (appData.debugMode) {
9239 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9240 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9241 setbuf(debugFP, NULL);
9243 DisplayError(buf, 0);
9246 if (boardIndex < backwardMostMove) {
9247 /* Oops, gap. How did that happen? */
9248 DisplayError(_("Gap in move list"), 0);
9251 backwardMostMove = blackPlaysFirst ? 1 : 0;
9252 if (boardIndex > forwardMostMove) {
9253 forwardMostMove = boardIndex;
9257 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9258 strcat(parseList[boardIndex-1], " ");
9259 strcat(parseList[boardIndex-1], yy_text);
9271 case GameUnfinished:
9272 if (gameMode == IcsExamining) {
9273 if (boardIndex < backwardMostMove) {
9274 /* Oops, gap. How did that happen? */
9277 backwardMostMove = blackPlaysFirst ? 1 : 0;
9280 gameInfo.result = moveType;
9281 p = strchr(yy_text, '{');
9282 if (p == NULL) p = strchr(yy_text, '(');
9285 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9287 q = strchr(p, *p == '{' ? '}' : ')');
9288 if (q != NULL) *q = NULLCHAR;
9291 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9292 gameInfo.resultDetails = StrSave(p);
9295 if (boardIndex >= forwardMostMove &&
9296 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9297 backwardMostMove = blackPlaysFirst ? 1 : 0;
9300 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9301 fromY, fromX, toY, toX, promoChar,
9302 parseList[boardIndex]);
9303 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9304 /* currentMoveString is set as a side-effect of yylex */
9305 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9306 strcat(moveList[boardIndex], "\n");
9308 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9309 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9315 if(gameInfo.variant != VariantShogi)
9316 strcat(parseList[boardIndex - 1], "+");
9320 strcat(parseList[boardIndex - 1], "#");
9327 /* Apply a move to the given board */
9329 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9331 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9332 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9334 /* [HGM] compute & store e.p. status and castling rights for new position */
9335 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9337 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9338 oldEP = (signed char)board[EP_STATUS];
9339 board[EP_STATUS] = EP_NONE;
9341 if (fromY == DROP_RANK) {
9343 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9344 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9347 piece = board[toY][toX] = (ChessSquare) fromX;
9351 if( board[toY][toX] != EmptySquare )
9352 board[EP_STATUS] = EP_CAPTURE;
9354 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9355 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9356 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9358 if( board[fromY][fromX] == WhitePawn ) {
9359 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9360 board[EP_STATUS] = EP_PAWN_MOVE;
9362 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9363 gameInfo.variant != VariantBerolina || toX < fromX)
9364 board[EP_STATUS] = toX | berolina;
9365 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9366 gameInfo.variant != VariantBerolina || toX > fromX)
9367 board[EP_STATUS] = toX;
9370 if( board[fromY][fromX] == BlackPawn ) {
9371 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9372 board[EP_STATUS] = EP_PAWN_MOVE;
9373 if( toY-fromY== -2) {
9374 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9375 gameInfo.variant != VariantBerolina || toX < fromX)
9376 board[EP_STATUS] = toX | berolina;
9377 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9378 gameInfo.variant != VariantBerolina || toX > fromX)
9379 board[EP_STATUS] = toX;
9383 for(i=0; i<nrCastlingRights; i++) {
9384 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9385 board[CASTLING][i] == toX && castlingRank[i] == toY
9386 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9389 if(gameInfo.variant == VariantSChess) { // update virginity
9390 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9391 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9392 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9393 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9396 if (fromX == toX && fromY == toY) return;
9398 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9399 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9400 if(gameInfo.variant == VariantKnightmate)
9401 king += (int) WhiteUnicorn - (int) WhiteKing;
9403 /* Code added by Tord: */
9404 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9405 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9406 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9407 board[fromY][fromX] = EmptySquare;
9408 board[toY][toX] = EmptySquare;
9409 if((toX > fromX) != (piece == WhiteRook)) {
9410 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9412 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9414 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9415 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9416 board[fromY][fromX] = EmptySquare;
9417 board[toY][toX] = EmptySquare;
9418 if((toX > fromX) != (piece == BlackRook)) {
9419 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9421 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9423 /* End of code added by Tord */
9425 } else if (board[fromY][fromX] == king
9426 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9427 && toY == fromY && toX > fromX+1) {
9428 board[fromY][fromX] = EmptySquare;
9429 board[toY][toX] = king;
9430 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9431 board[fromY][BOARD_RGHT-1] = EmptySquare;
9432 } else if (board[fromY][fromX] == king
9433 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9434 && toY == fromY && toX < fromX-1) {
9435 board[fromY][fromX] = EmptySquare;
9436 board[toY][toX] = king;
9437 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9438 board[fromY][BOARD_LEFT] = EmptySquare;
9439 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9440 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9441 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9443 /* white pawn promotion */
9444 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9445 if((gameInfo.variant==VariantBughouse || gameInfo.variant==VariantCrazyhouse)
9446 && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9447 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9448 board[fromY][fromX] = EmptySquare;
9449 } else if ((fromY >= BOARD_HEIGHT>>1)
9451 && gameInfo.variant != VariantXiangqi
9452 && gameInfo.variant != VariantBerolina
9453 && (board[fromY][fromX] == WhitePawn)
9454 && (board[toY][toX] == EmptySquare)) {
9455 board[fromY][fromX] = EmptySquare;
9456 board[toY][toX] = WhitePawn;
9457 captured = board[toY - 1][toX];
9458 board[toY - 1][toX] = EmptySquare;
9459 } else if ((fromY == BOARD_HEIGHT-4)
9461 && gameInfo.variant == VariantBerolina
9462 && (board[fromY][fromX] == WhitePawn)
9463 && (board[toY][toX] == EmptySquare)) {
9464 board[fromY][fromX] = EmptySquare;
9465 board[toY][toX] = WhitePawn;
9466 if(oldEP & EP_BEROLIN_A) {
9467 captured = board[fromY][fromX-1];
9468 board[fromY][fromX-1] = EmptySquare;
9469 }else{ captured = board[fromY][fromX+1];
9470 board[fromY][fromX+1] = EmptySquare;
9472 } else if (board[fromY][fromX] == king
9473 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9474 && toY == fromY && toX > fromX+1) {
9475 board[fromY][fromX] = EmptySquare;
9476 board[toY][toX] = king;
9477 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9478 board[fromY][BOARD_RGHT-1] = EmptySquare;
9479 } else if (board[fromY][fromX] == king
9480 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9481 && toY == fromY && toX < fromX-1) {
9482 board[fromY][fromX] = EmptySquare;
9483 board[toY][toX] = king;
9484 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9485 board[fromY][BOARD_LEFT] = EmptySquare;
9486 } else if (fromY == 7 && fromX == 3
9487 && board[fromY][fromX] == BlackKing
9488 && toY == 7 && toX == 5) {
9489 board[fromY][fromX] = EmptySquare;
9490 board[toY][toX] = BlackKing;
9491 board[fromY][7] = EmptySquare;
9492 board[toY][4] = BlackRook;
9493 } else if (fromY == 7 && fromX == 3
9494 && board[fromY][fromX] == BlackKing
9495 && toY == 7 && toX == 1) {
9496 board[fromY][fromX] = EmptySquare;
9497 board[toY][toX] = BlackKing;
9498 board[fromY][0] = EmptySquare;
9499 board[toY][2] = BlackRook;
9500 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9501 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9502 && toY < promoRank && promoChar
9504 /* black pawn promotion */
9505 board[toY][toX] = CharToPiece(ToLower(promoChar));
9506 if((gameInfo.variant==VariantBughouse || gameInfo.variant==VariantCrazyhouse)
9507 && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9508 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9509 board[fromY][fromX] = EmptySquare;
9510 } else if ((fromY < BOARD_HEIGHT>>1)
9512 && gameInfo.variant != VariantXiangqi
9513 && gameInfo.variant != VariantBerolina
9514 && (board[fromY][fromX] == BlackPawn)
9515 && (board[toY][toX] == EmptySquare)) {
9516 board[fromY][fromX] = EmptySquare;
9517 board[toY][toX] = BlackPawn;
9518 captured = board[toY + 1][toX];
9519 board[toY + 1][toX] = EmptySquare;
9520 } else if ((fromY == 3)
9522 && gameInfo.variant == VariantBerolina
9523 && (board[fromY][fromX] == BlackPawn)
9524 && (board[toY][toX] == EmptySquare)) {
9525 board[fromY][fromX] = EmptySquare;
9526 board[toY][toX] = BlackPawn;
9527 if(oldEP & EP_BEROLIN_A) {
9528 captured = board[fromY][fromX-1];
9529 board[fromY][fromX-1] = EmptySquare;
9530 }else{ captured = board[fromY][fromX+1];
9531 board[fromY][fromX+1] = EmptySquare;
9534 board[toY][toX] = board[fromY][fromX];
9535 board[fromY][fromX] = EmptySquare;
9539 if (gameInfo.holdingsWidth != 0) {
9541 /* !!A lot more code needs to be written to support holdings */
9542 /* [HGM] OK, so I have written it. Holdings are stored in the */
9543 /* penultimate board files, so they are automaticlly stored */
9544 /* in the game history. */
9545 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9546 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9547 /* Delete from holdings, by decreasing count */
9548 /* and erasing image if necessary */
9549 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9550 if(p < (int) BlackPawn) { /* white drop */
9551 p -= (int)WhitePawn;
9552 p = PieceToNumber((ChessSquare)p);
9553 if(p >= gameInfo.holdingsSize) p = 0;
9554 if(--board[p][BOARD_WIDTH-2] <= 0)
9555 board[p][BOARD_WIDTH-1] = EmptySquare;
9556 if((int)board[p][BOARD_WIDTH-2] < 0)
9557 board[p][BOARD_WIDTH-2] = 0;
9558 } else { /* black drop */
9559 p -= (int)BlackPawn;
9560 p = PieceToNumber((ChessSquare)p);
9561 if(p >= gameInfo.holdingsSize) p = 0;
9562 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9563 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9564 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9565 board[BOARD_HEIGHT-1-p][1] = 0;
9568 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9569 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9570 /* [HGM] holdings: Add to holdings, if holdings exist */
9571 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9572 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9573 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9576 if (p >= (int) BlackPawn) {
9577 p -= (int)BlackPawn;
9578 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9579 /* in Shogi restore piece to its original first */
9580 captured = (ChessSquare) (DEMOTED captured);
9583 p = PieceToNumber((ChessSquare)p);
9584 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9585 board[p][BOARD_WIDTH-2]++;
9586 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9588 p -= (int)WhitePawn;
9589 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9590 captured = (ChessSquare) (DEMOTED captured);
9593 p = PieceToNumber((ChessSquare)p);
9594 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9595 board[BOARD_HEIGHT-1-p][1]++;
9596 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9599 } else if (gameInfo.variant == VariantAtomic) {
9600 if (captured != EmptySquare) {
9602 for (y = toY-1; y <= toY+1; y++) {
9603 for (x = toX-1; x <= toX+1; x++) {
9604 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9605 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9606 board[y][x] = EmptySquare;
9610 board[toY][toX] = EmptySquare;
9613 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9614 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9616 if(promoChar == '+') {
9617 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9618 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9619 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9620 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9621 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9622 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9623 board[toY][toX] = newPiece;
9625 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9626 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9627 // [HGM] superchess: take promotion piece out of holdings
9628 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9629 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9630 if(!--board[k][BOARD_WIDTH-2])
9631 board[k][BOARD_WIDTH-1] = EmptySquare;
9633 if(!--board[BOARD_HEIGHT-1-k][1])
9634 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9640 /* Updates forwardMostMove */
9642 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9644 // forwardMostMove++; // [HGM] bare: moved downstream
9646 (void) CoordsToAlgebraic(boards[forwardMostMove],
9647 PosFlags(forwardMostMove),
9648 fromY, fromX, toY, toX, promoChar,
9649 parseList[forwardMostMove]);
9651 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9652 int timeLeft; static int lastLoadFlag=0; int king, piece;
9653 piece = boards[forwardMostMove][fromY][fromX];
9654 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9655 if(gameInfo.variant == VariantKnightmate)
9656 king += (int) WhiteUnicorn - (int) WhiteKing;
9657 if(forwardMostMove == 0) {
9658 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9659 fprintf(serverMoves, "%s;", UserName());
9660 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9661 fprintf(serverMoves, "%s;", second.tidy);
9662 fprintf(serverMoves, "%s;", first.tidy);
9663 if(gameMode == MachinePlaysWhite)
9664 fprintf(serverMoves, "%s;", UserName());
9665 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9666 fprintf(serverMoves, "%s;", second.tidy);
9667 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9668 lastLoadFlag = loadFlag;
9670 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9671 // print castling suffix
9672 if( toY == fromY && piece == king ) {
9674 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9676 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9679 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9680 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9681 boards[forwardMostMove][toY][toX] == EmptySquare
9682 && fromX != toX && fromY != toY)
9683 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9685 if(promoChar != NULLCHAR) {
9686 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9687 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9688 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9689 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9692 char buf[MOVE_LEN*2], *p; int len;
9693 fprintf(serverMoves, "/%d/%d",
9694 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9695 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9696 else timeLeft = blackTimeRemaining/1000;
9697 fprintf(serverMoves, "/%d", timeLeft);
9698 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9699 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9700 if(p = strchr(buf, '=')) *p = NULLCHAR;
9701 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9702 fprintf(serverMoves, "/%s", buf);
9704 fflush(serverMoves);
9707 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9708 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9711 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9712 if (commentList[forwardMostMove+1] != NULL) {
9713 free(commentList[forwardMostMove+1]);
9714 commentList[forwardMostMove+1] = NULL;
9716 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9717 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9718 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9719 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9720 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9721 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9722 adjustedClock = FALSE;
9723 gameInfo.result = GameUnfinished;
9724 if (gameInfo.resultDetails != NULL) {
9725 free(gameInfo.resultDetails);
9726 gameInfo.resultDetails = NULL;
9728 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9729 moveList[forwardMostMove - 1]);
9730 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9736 if(gameInfo.variant != VariantShogi)
9737 strcat(parseList[forwardMostMove - 1], "+");
9741 strcat(parseList[forwardMostMove - 1], "#");
9747 /* Updates currentMove if not pausing */
9749 ShowMove (int fromX, int fromY, int toX, int toY)
9751 int instant = (gameMode == PlayFromGameFile) ?
9752 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9753 if(appData.noGUI) return;
9754 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9756 if (forwardMostMove == currentMove + 1) {
9757 AnimateMove(boards[forwardMostMove - 1],
9758 fromX, fromY, toX, toY);
9761 currentMove = forwardMostMove;
9764 if (instant) return;
9766 DisplayMove(currentMove - 1);
9767 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9768 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9769 SetHighlights(fromX, fromY, toX, toY);
9772 DrawPosition(FALSE, boards[currentMove]);
9773 DisplayBothClocks();
9774 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9778 SendEgtPath (ChessProgramState *cps)
9779 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9780 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9782 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9785 char c, *q = name+1, *r, *s;
9787 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9788 while(*p && *p != ',') *q++ = *p++;
9790 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9791 strcmp(name, ",nalimov:") == 0 ) {
9792 // take nalimov path from the menu-changeable option first, if it is defined
9793 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9794 SendToProgram(buf,cps); // send egtbpath command for nalimov
9796 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9797 (s = StrStr(appData.egtFormats, name)) != NULL) {
9798 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9799 s = r = StrStr(s, ":") + 1; // beginning of path info
9800 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9801 c = *r; *r = 0; // temporarily null-terminate path info
9802 *--q = 0; // strip of trailig ':' from name
9803 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9805 SendToProgram(buf,cps); // send egtbpath command for this format
9807 if(*p == ',') p++; // read away comma to position for next format name
9812 InitChessProgram (ChessProgramState *cps, int setup)
9813 /* setup needed to setup FRC opening position */
9815 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9816 if (appData.noChessProgram) return;
9817 hintRequested = FALSE;
9818 bookRequested = FALSE;
9820 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9821 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9822 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9823 if(cps->memSize) { /* [HGM] memory */
9824 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9825 SendToProgram(buf, cps);
9827 SendEgtPath(cps); /* [HGM] EGT */
9828 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9829 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9830 SendToProgram(buf, cps);
9833 SendToProgram(cps->initString, cps);
9834 if (gameInfo.variant != VariantNormal &&
9835 gameInfo.variant != VariantLoadable
9836 /* [HGM] also send variant if board size non-standard */
9837 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9839 char *v = VariantName(gameInfo.variant);
9840 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9841 /* [HGM] in protocol 1 we have to assume all variants valid */
9842 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9843 DisplayFatalError(buf, 0, 1);
9847 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9848 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9849 if( gameInfo.variant == VariantXiangqi )
9850 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9851 if( gameInfo.variant == VariantShogi )
9852 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9853 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9854 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9855 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9856 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9857 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9858 if( gameInfo.variant == VariantCourier )
9859 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9860 if( gameInfo.variant == VariantSuper )
9861 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9862 if( gameInfo.variant == VariantGreat )
9863 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9864 if( gameInfo.variant == VariantSChess )
9865 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9866 if( gameInfo.variant == VariantGrand )
9867 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9870 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9871 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9872 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9873 if(StrStr(cps->variants, b) == NULL) {
9874 // specific sized variant not known, check if general sizing allowed
9875 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9876 if(StrStr(cps->variants, "boardsize") == NULL) {
9877 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9878 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9879 DisplayFatalError(buf, 0, 1);
9882 /* [HGM] here we really should compare with the maximum supported board size */
9885 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9886 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9887 SendToProgram(buf, cps);
9889 currentlyInitializedVariant = gameInfo.variant;
9891 /* [HGM] send opening position in FRC to first engine */
9893 SendToProgram("force\n", cps);
9895 /* engine is now in force mode! Set flag to wake it up after first move. */
9896 setboardSpoiledMachineBlack = 1;
9900 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9901 SendToProgram(buf, cps);
9903 cps->maybeThinking = FALSE;
9904 cps->offeredDraw = 0;
9905 if (!appData.icsActive) {
9906 SendTimeControl(cps, movesPerSession, timeControl,
9907 timeIncrement, appData.searchDepth,
9910 if (appData.showThinking
9911 // [HGM] thinking: four options require thinking output to be sent
9912 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9914 SendToProgram("post\n", cps);
9916 SendToProgram("hard\n", cps);
9917 if (!appData.ponderNextMove) {
9918 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9919 it without being sure what state we are in first. "hard"
9920 is not a toggle, so that one is OK.
9922 SendToProgram("easy\n", cps);
9925 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9926 SendToProgram(buf, cps);
9928 cps->initDone = TRUE;
9929 ClearEngineOutputPane(cps == &second);
9934 StartChessProgram (ChessProgramState *cps)
9939 if (appData.noChessProgram) return;
9940 cps->initDone = FALSE;
9942 if (strcmp(cps->host, "localhost") == 0) {
9943 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9944 } else if (*appData.remoteShell == NULLCHAR) {
9945 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9947 if (*appData.remoteUser == NULLCHAR) {
9948 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9951 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9952 cps->host, appData.remoteUser, cps->program);
9954 err = StartChildProcess(buf, "", &cps->pr);
9958 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9959 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9960 if(cps != &first) return;
9961 appData.noChessProgram = TRUE;
9964 // DisplayFatalError(buf, err, 1);
9965 // cps->pr = NoProc;
9970 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9971 if (cps->protocolVersion > 1) {
9972 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9973 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9974 cps->comboCnt = 0; // and values of combo boxes
9975 SendToProgram(buf, cps);
9977 SendToProgram("xboard\n", cps);
9982 TwoMachinesEventIfReady P((void))
9984 static int curMess = 0;
9985 if (first.lastPing != first.lastPong) {
9986 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9987 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9990 if (second.lastPing != second.lastPong) {
9991 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9992 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9995 DisplayMessage("", ""); curMess = 0;
10001 MakeName (char *template)
10005 static char buf[MSG_SIZ];
10009 clock = time((time_t *)NULL);
10010 tm = localtime(&clock);
10012 while(*p++ = *template++) if(p[-1] == '%') {
10013 switch(*template++) {
10014 case 0: *p = 0; return buf;
10015 case 'Y': i = tm->tm_year+1900; break;
10016 case 'y': i = tm->tm_year-100; break;
10017 case 'M': i = tm->tm_mon+1; break;
10018 case 'd': i = tm->tm_mday; break;
10019 case 'h': i = tm->tm_hour; break;
10020 case 'm': i = tm->tm_min; break;
10021 case 's': i = tm->tm_sec; break;
10024 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10030 CountPlayers (char *p)
10033 while(p = strchr(p, '\n')) p++, n++; // count participants
10038 WriteTourneyFile (char *results, FILE *f)
10039 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10040 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10041 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10042 // create a file with tournament description
10043 fprintf(f, "-participants {%s}\n", appData.participants);
10044 fprintf(f, "-seedBase %d\n", appData.seedBase);
10045 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10046 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10047 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10048 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10049 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10050 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10051 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10052 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10053 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10054 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10055 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10056 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10058 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10060 fprintf(f, "-mps %d\n", appData.movesPerSession);
10061 fprintf(f, "-tc %s\n", appData.timeControl);
10062 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10064 fprintf(f, "-results \"%s\"\n", results);
10069 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10072 Substitute (char *participants, int expunge)
10074 int i, changed, changes=0, nPlayers=0;
10075 char *p, *q, *r, buf[MSG_SIZ];
10076 if(participants == NULL) return;
10077 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10078 r = p = participants; q = appData.participants;
10079 while(*p && *p == *q) {
10080 if(*p == '\n') r = p+1, nPlayers++;
10083 if(*p) { // difference
10084 while(*p && *p++ != '\n');
10085 while(*q && *q++ != '\n');
10086 changed = nPlayers;
10087 changes = 1 + (strcmp(p, q) != 0);
10089 if(changes == 1) { // a single engine mnemonic was changed
10090 q = r; while(*q) nPlayers += (*q++ == '\n');
10091 p = buf; while(*r && (*p = *r++) != '\n') p++;
10093 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10094 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10095 if(mnemonic[i]) { // The substitute is valid
10097 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10098 flock(fileno(f), LOCK_EX);
10099 ParseArgsFromFile(f);
10100 fseek(f, 0, SEEK_SET);
10101 FREE(appData.participants); appData.participants = participants;
10102 if(expunge) { // erase results of replaced engine
10103 int len = strlen(appData.results), w, b, dummy;
10104 for(i=0; i<len; i++) {
10105 Pairing(i, nPlayers, &w, &b, &dummy);
10106 if((w == changed || b == changed) && appData.results[i] == '*') {
10107 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10112 for(i=0; i<len; i++) {
10113 Pairing(i, nPlayers, &w, &b, &dummy);
10114 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10117 WriteTourneyFile(appData.results, f);
10118 fclose(f); // release lock
10121 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10123 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10124 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10125 free(participants);
10130 CheckPlayers (char *participants)
10133 char buf[MSG_SIZ], *p;
10134 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10135 while(p = strchr(participants, '\n')) {
10137 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10139 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10141 DisplayError(buf, 0);
10145 participants = p + 1;
10151 CreateTourney (char *name)
10154 if(matchMode && strcmp(name, appData.tourneyFile)) {
10155 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10157 if(name[0] == NULLCHAR) {
10158 if(appData.participants[0])
10159 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10162 f = fopen(name, "r");
10163 if(f) { // file exists
10164 ASSIGN(appData.tourneyFile, name);
10165 ParseArgsFromFile(f); // parse it
10167 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10168 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10169 DisplayError(_("Not enough participants"), 0);
10172 if(CheckPlayers(appData.participants)) return 0;
10173 ASSIGN(appData.tourneyFile, name);
10174 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10175 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10178 appData.noChessProgram = FALSE;
10179 appData.clockMode = TRUE;
10185 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10187 char buf[MSG_SIZ], *p, *q;
10188 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10189 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10190 skip = !all && group[0]; // if group requested, we start in skip mode
10191 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10192 p = names; q = buf; header = 0;
10193 while(*p && *p != '\n') *q++ = *p++;
10195 if(*p == '\n') p++;
10196 if(buf[0] == '#') {
10197 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10198 depth++; // we must be entering a new group
10199 if(all) continue; // suppress printing group headers when complete list requested
10201 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10203 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10204 if(engineList[i]) free(engineList[i]);
10205 engineList[i] = strdup(buf);
10206 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10207 if(engineMnemonic[i]) free(engineMnemonic[i]);
10208 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10210 sscanf(q + 8, "%s", buf + strlen(buf));
10213 engineMnemonic[i] = strdup(buf);
10216 engineList[i] = engineMnemonic[i] = NULL;
10220 // following implemented as macro to avoid type limitations
10221 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10224 SwapEngines (int n)
10225 { // swap settings for first engine and other engine (so far only some selected options)
10230 SWAP(chessProgram, p)
10232 SWAP(hasOwnBookUCI, h)
10233 SWAP(protocolVersion, h)
10235 SWAP(scoreIsAbsolute, h)
10240 SWAP(engOptions, p)
10241 SWAP(engInitString, p)
10242 SWAP(computerString, p)
10244 SWAP(fenOverride, p)
10246 SWAP(accumulateTC, h)
10251 GetEngineLine (char *s, int n)
10255 extern char *icsNames;
10256 if(!s || !*s) return 0;
10257 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10258 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10259 if(!mnemonic[i]) return 0;
10260 if(n == 11) return 1; // just testing if there was a match
10261 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10262 if(n == 1) SwapEngines(n);
10263 ParseArgsFromString(buf);
10264 if(n == 1) SwapEngines(n);
10265 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10266 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10267 ParseArgsFromString(buf);
10273 SetPlayer (int player, char *p)
10274 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10276 char buf[MSG_SIZ], *engineName;
10277 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10278 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10279 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10281 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10282 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10283 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10284 ParseArgsFromString(buf);
10290 char *recentEngines;
10293 RecentEngineEvent (int nr)
10296 // SwapEngines(1); // bump first to second
10297 // ReplaceEngine(&second, 1); // and load it there
10298 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10299 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10300 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10301 ReplaceEngine(&first, 0);
10302 FloatToFront(&appData.recentEngineList, command[n]);
10307 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10308 { // determine players from game number
10309 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10311 if(appData.tourneyType == 0) {
10312 roundsPerCycle = (nPlayers - 1) | 1;
10313 pairingsPerRound = nPlayers / 2;
10314 } else if(appData.tourneyType > 0) {
10315 roundsPerCycle = nPlayers - appData.tourneyType;
10316 pairingsPerRound = appData.tourneyType;
10318 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10319 gamesPerCycle = gamesPerRound * roundsPerCycle;
10320 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10321 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10322 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10323 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10324 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10325 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10327 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10328 if(appData.roundSync) *syncInterval = gamesPerRound;
10330 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10332 if(appData.tourneyType == 0) {
10333 if(curPairing == (nPlayers-1)/2 ) {
10334 *whitePlayer = curRound;
10335 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10337 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10338 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10339 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10340 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10342 } else if(appData.tourneyType > 1) {
10343 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10344 *whitePlayer = curRound + appData.tourneyType;
10345 } else if(appData.tourneyType > 0) {
10346 *whitePlayer = curPairing;
10347 *blackPlayer = curRound + appData.tourneyType;
10350 // take care of white/black alternation per round.
10351 // For cycles and games this is already taken care of by default, derived from matchGame!
10352 return curRound & 1;
10356 NextTourneyGame (int nr, int *swapColors)
10357 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10359 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10361 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10362 tf = fopen(appData.tourneyFile, "r");
10363 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10364 ParseArgsFromFile(tf); fclose(tf);
10365 InitTimeControls(); // TC might be altered from tourney file
10367 nPlayers = CountPlayers(appData.participants); // count participants
10368 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10369 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10372 p = q = appData.results;
10373 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10374 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10375 DisplayMessage(_("Waiting for other game(s)"),"");
10376 waitingForGame = TRUE;
10377 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10380 waitingForGame = FALSE;
10383 if(appData.tourneyType < 0) {
10384 if(nr>=0 && !pairingReceived) {
10386 if(pairing.pr == NoProc) {
10387 if(!appData.pairingEngine[0]) {
10388 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10391 StartChessProgram(&pairing); // starts the pairing engine
10393 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10394 SendToProgram(buf, &pairing);
10395 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10396 SendToProgram(buf, &pairing);
10397 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10399 pairingReceived = 0; // ... so we continue here
10401 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10402 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10403 matchGame = 1; roundNr = nr / syncInterval + 1;
10406 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10408 // redefine engines, engine dir, etc.
10409 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10410 if(first.pr == NoProc) {
10411 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10412 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10414 if(second.pr == NoProc) {
10416 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10417 SwapEngines(1); // and make that valid for second engine by swapping
10418 InitEngine(&second, 1);
10420 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10421 UpdateLogos(FALSE); // leave display to ModeHiglight()
10427 { // performs game initialization that does not invoke engines, and then tries to start the game
10428 int res, firstWhite, swapColors = 0;
10429 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10430 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
10432 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10433 if(strcmp(buf, currentDebugFile)) { // name has changed
10434 FILE *f = fopen(buf, "w");
10435 if(f) { // if opening the new file failed, just keep using the old one
10436 ASSIGN(currentDebugFile, buf);
10440 if(appData.serverFileName) {
10441 if(serverFP) fclose(serverFP);
10442 serverFP = fopen(appData.serverFileName, "w");
10443 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10444 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10448 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10449 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10450 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10451 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10452 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10453 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10454 Reset(FALSE, first.pr != NoProc);
10455 res = LoadGameOrPosition(matchGame); // setup game
10456 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10457 if(!res) return; // abort when bad game/pos file
10458 TwoMachinesEvent();
10462 UserAdjudicationEvent (int result)
10464 ChessMove gameResult = GameIsDrawn;
10467 gameResult = WhiteWins;
10469 else if( result < 0 ) {
10470 gameResult = BlackWins;
10473 if( gameMode == TwoMachinesPlay ) {
10474 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10479 // [HGM] save: calculate checksum of game to make games easily identifiable
10481 StringCheckSum (char *s)
10484 if(s==NULL) return 0;
10485 while(*s) i = i*259 + *s++;
10493 for(i=backwardMostMove; i<forwardMostMove; i++) {
10494 sum += pvInfoList[i].depth;
10495 sum += StringCheckSum(parseList[i]);
10496 sum += StringCheckSum(commentList[i]);
10499 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10500 return sum + StringCheckSum(commentList[i]);
10501 } // end of save patch
10504 GameEnds (ChessMove result, char *resultDetails, int whosays)
10506 GameMode nextGameMode;
10508 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10510 if(endingGame) return; /* [HGM] crash: forbid recursion */
10512 if(twoBoards) { // [HGM] dual: switch back to one board
10513 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10514 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10516 if (appData.debugMode) {
10517 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10518 result, resultDetails ? resultDetails : "(null)", whosays);
10521 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10523 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10525 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10526 /* If we are playing on ICS, the server decides when the
10527 game is over, but the engine can offer to draw, claim
10531 if (appData.zippyPlay && first.initDone) {
10532 if (result == GameIsDrawn) {
10533 /* In case draw still needs to be claimed */
10534 SendToICS(ics_prefix);
10535 SendToICS("draw\n");
10536 } else if (StrCaseStr(resultDetails, "resign")) {
10537 SendToICS(ics_prefix);
10538 SendToICS("resign\n");
10542 endingGame = 0; /* [HGM] crash */
10546 /* If we're loading the game from a file, stop */
10547 if (whosays == GE_FILE) {
10548 (void) StopLoadGameTimer();
10552 /* Cancel draw offers */
10553 first.offeredDraw = second.offeredDraw = 0;
10555 /* If this is an ICS game, only ICS can really say it's done;
10556 if not, anyone can. */
10557 isIcsGame = (gameMode == IcsPlayingWhite ||
10558 gameMode == IcsPlayingBlack ||
10559 gameMode == IcsObserving ||
10560 gameMode == IcsExamining);
10562 if (!isIcsGame || whosays == GE_ICS) {
10563 /* OK -- not an ICS game, or ICS said it was done */
10565 if (!isIcsGame && !appData.noChessProgram)
10566 SetUserThinkingEnables();
10568 /* [HGM] if a machine claims the game end we verify this claim */
10569 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10570 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10572 ChessMove trueResult = (ChessMove) -1;
10574 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10575 first.twoMachinesColor[0] :
10576 second.twoMachinesColor[0] ;
10578 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10579 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10580 /* [HGM] verify: engine mate claims accepted if they were flagged */
10581 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10583 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10584 /* [HGM] verify: engine mate claims accepted if they were flagged */
10585 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10587 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10588 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10591 // now verify win claims, but not in drop games, as we don't understand those yet
10592 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10593 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10594 (result == WhiteWins && claimer == 'w' ||
10595 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10596 if (appData.debugMode) {
10597 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10598 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10600 if(result != trueResult) {
10601 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10602 result = claimer == 'w' ? BlackWins : WhiteWins;
10603 resultDetails = buf;
10606 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10607 && (forwardMostMove <= backwardMostMove ||
10608 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10609 (claimer=='b')==(forwardMostMove&1))
10611 /* [HGM] verify: draws that were not flagged are false claims */
10612 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10613 result = claimer == 'w' ? BlackWins : WhiteWins;
10614 resultDetails = buf;
10616 /* (Claiming a loss is accepted no questions asked!) */
10618 /* [HGM] bare: don't allow bare King to win */
10619 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10620 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10621 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10622 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10623 && result != GameIsDrawn)
10624 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10625 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10626 int p = (signed char)boards[forwardMostMove][i][j] - color;
10627 if(p >= 0 && p <= (int)WhiteKing) k++;
10629 if (appData.debugMode) {
10630 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10631 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10634 result = GameIsDrawn;
10635 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10636 resultDetails = buf;
10642 if(serverMoves != NULL && !loadFlag) { char c = '=';
10643 if(result==WhiteWins) c = '+';
10644 if(result==BlackWins) c = '-';
10645 if(resultDetails != NULL)
10646 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10648 if (resultDetails != NULL) {
10649 gameInfo.result = result;
10650 gameInfo.resultDetails = StrSave(resultDetails);
10652 /* display last move only if game was not loaded from file */
10653 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10654 DisplayMove(currentMove - 1);
10656 if (forwardMostMove != 0) {
10657 if (gameMode != PlayFromGameFile && gameMode != EditGame
10658 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10660 if (*appData.saveGameFile != NULLCHAR) {
10661 SaveGameToFile(appData.saveGameFile, TRUE);
10662 } else if (appData.autoSaveGames) {
10665 if (*appData.savePositionFile != NULLCHAR) {
10666 SavePositionToFile(appData.savePositionFile);
10668 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10672 /* Tell program how game ended in case it is learning */
10673 /* [HGM] Moved this to after saving the PGN, just in case */
10674 /* engine died and we got here through time loss. In that */
10675 /* case we will get a fatal error writing the pipe, which */
10676 /* would otherwise lose us the PGN. */
10677 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10678 /* output during GameEnds should never be fatal anymore */
10679 if (gameMode == MachinePlaysWhite ||
10680 gameMode == MachinePlaysBlack ||
10681 gameMode == TwoMachinesPlay ||
10682 gameMode == IcsPlayingWhite ||
10683 gameMode == IcsPlayingBlack ||
10684 gameMode == BeginningOfGame) {
10686 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10688 if (first.pr != NoProc) {
10689 SendToProgram(buf, &first);
10691 if (second.pr != NoProc &&
10692 gameMode == TwoMachinesPlay) {
10693 SendToProgram(buf, &second);
10698 if (appData.icsActive) {
10699 if (appData.quietPlay &&
10700 (gameMode == IcsPlayingWhite ||
10701 gameMode == IcsPlayingBlack)) {
10702 SendToICS(ics_prefix);
10703 SendToICS("set shout 1\n");
10705 nextGameMode = IcsIdle;
10706 ics_user_moved = FALSE;
10707 /* clean up premove. It's ugly when the game has ended and the
10708 * premove highlights are still on the board.
10711 gotPremove = FALSE;
10712 ClearPremoveHighlights();
10713 DrawPosition(FALSE, boards[currentMove]);
10715 if (whosays == GE_ICS) {
10718 if (gameMode == IcsPlayingWhite)
10720 else if(gameMode == IcsPlayingBlack)
10721 PlayIcsLossSound();
10724 if (gameMode == IcsPlayingBlack)
10726 else if(gameMode == IcsPlayingWhite)
10727 PlayIcsLossSound();
10730 PlayIcsDrawSound();
10733 PlayIcsUnfinishedSound();
10736 } else if (gameMode == EditGame ||
10737 gameMode == PlayFromGameFile ||
10738 gameMode == AnalyzeMode ||
10739 gameMode == AnalyzeFile) {
10740 nextGameMode = gameMode;
10742 nextGameMode = EndOfGame;
10747 nextGameMode = gameMode;
10750 if (appData.noChessProgram) {
10751 gameMode = nextGameMode;
10753 endingGame = 0; /* [HGM] crash */
10758 /* Put first chess program into idle state */
10759 if (first.pr != NoProc &&
10760 (gameMode == MachinePlaysWhite ||
10761 gameMode == MachinePlaysBlack ||
10762 gameMode == TwoMachinesPlay ||
10763 gameMode == IcsPlayingWhite ||
10764 gameMode == IcsPlayingBlack ||
10765 gameMode == BeginningOfGame)) {
10766 SendToProgram("force\n", &first);
10767 if (first.usePing) {
10769 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10770 SendToProgram(buf, &first);
10773 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10774 /* Kill off first chess program */
10775 if (first.isr != NULL)
10776 RemoveInputSource(first.isr);
10779 if (first.pr != NoProc) {
10781 DoSleep( appData.delayBeforeQuit );
10782 SendToProgram("quit\n", &first);
10783 DoSleep( appData.delayAfterQuit );
10784 DestroyChildProcess(first.pr, first.useSigterm);
10788 if (second.reuse) {
10789 /* Put second chess program into idle state */
10790 if (second.pr != NoProc &&
10791 gameMode == TwoMachinesPlay) {
10792 SendToProgram("force\n", &second);
10793 if (second.usePing) {
10795 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10796 SendToProgram(buf, &second);
10799 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10800 /* Kill off second chess program */
10801 if (second.isr != NULL)
10802 RemoveInputSource(second.isr);
10805 if (second.pr != NoProc) {
10806 DoSleep( appData.delayBeforeQuit );
10807 SendToProgram("quit\n", &second);
10808 DoSleep( appData.delayAfterQuit );
10809 DestroyChildProcess(second.pr, second.useSigterm);
10811 second.pr = NoProc;
10814 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10815 char resChar = '=';
10819 if (first.twoMachinesColor[0] == 'w') {
10822 second.matchWins++;
10827 if (first.twoMachinesColor[0] == 'b') {
10830 second.matchWins++;
10833 case GameUnfinished:
10839 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10840 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10841 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10842 ReserveGame(nextGame, resChar); // sets nextGame
10843 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10844 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10845 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10847 if (nextGame <= appData.matchGames && !abortMatch) {
10848 gameMode = nextGameMode;
10849 matchGame = nextGame; // this will be overruled in tourney mode!
10850 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10851 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10852 endingGame = 0; /* [HGM] crash */
10855 gameMode = nextGameMode;
10856 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10857 first.tidy, second.tidy,
10858 first.matchWins, second.matchWins,
10859 appData.matchGames - (first.matchWins + second.matchWins));
10860 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10861 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10862 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10863 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10864 first.twoMachinesColor = "black\n";
10865 second.twoMachinesColor = "white\n";
10867 first.twoMachinesColor = "white\n";
10868 second.twoMachinesColor = "black\n";
10872 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10873 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10875 gameMode = nextGameMode;
10877 endingGame = 0; /* [HGM] crash */
10878 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10879 if(matchMode == TRUE) { // match through command line: exit with or without popup
10881 ToNrEvent(forwardMostMove);
10882 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10884 } else DisplayFatalError(buf, 0, 0);
10885 } else { // match through menu; just stop, with or without popup
10886 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10889 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10890 } else DisplayNote(buf);
10892 if(ranking) free(ranking);
10896 /* Assumes program was just initialized (initString sent).
10897 Leaves program in force mode. */
10899 FeedMovesToProgram (ChessProgramState *cps, int upto)
10903 if (appData.debugMode)
10904 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10905 startedFromSetupPosition ? "position and " : "",
10906 backwardMostMove, upto, cps->which);
10907 if(currentlyInitializedVariant != gameInfo.variant) {
10909 // [HGM] variantswitch: make engine aware of new variant
10910 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10911 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10912 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10913 SendToProgram(buf, cps);
10914 currentlyInitializedVariant = gameInfo.variant;
10916 SendToProgram("force\n", cps);
10917 if (startedFromSetupPosition) {
10918 SendBoard(cps, backwardMostMove);
10919 if (appData.debugMode) {
10920 fprintf(debugFP, "feedMoves\n");
10923 for (i = backwardMostMove; i < upto; i++) {
10924 SendMoveToProgram(i, cps);
10930 ResurrectChessProgram ()
10932 /* The chess program may have exited.
10933 If so, restart it and feed it all the moves made so far. */
10934 static int doInit = 0;
10936 if (appData.noChessProgram) return 1;
10938 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10939 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10940 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10941 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10943 if (first.pr != NoProc) return 1;
10944 StartChessProgram(&first);
10946 InitChessProgram(&first, FALSE);
10947 FeedMovesToProgram(&first, currentMove);
10949 if (!first.sendTime) {
10950 /* can't tell gnuchess what its clock should read,
10951 so we bow to its notion. */
10953 timeRemaining[0][currentMove] = whiteTimeRemaining;
10954 timeRemaining[1][currentMove] = blackTimeRemaining;
10957 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10958 appData.icsEngineAnalyze) && first.analysisSupport) {
10959 SendToProgram("analyze\n", &first);
10960 first.analyzing = TRUE;
10966 * Button procedures
10969 Reset (int redraw, int init)
10973 if (appData.debugMode) {
10974 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10975 redraw, init, gameMode);
10977 CleanupTail(); // [HGM] vari: delete any stored variations
10978 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10979 pausing = pauseExamInvalid = FALSE;
10980 startedFromSetupPosition = blackPlaysFirst = FALSE;
10982 whiteFlag = blackFlag = FALSE;
10983 userOfferedDraw = FALSE;
10984 hintRequested = bookRequested = FALSE;
10985 first.maybeThinking = FALSE;
10986 second.maybeThinking = FALSE;
10987 first.bookSuspend = FALSE; // [HGM] book
10988 second.bookSuspend = FALSE;
10989 thinkOutput[0] = NULLCHAR;
10990 lastHint[0] = NULLCHAR;
10991 ClearGameInfo(&gameInfo);
10992 gameInfo.variant = StringToVariant(appData.variant);
10993 ics_user_moved = ics_clock_paused = FALSE;
10994 ics_getting_history = H_FALSE;
10996 white_holding[0] = black_holding[0] = NULLCHAR;
10997 ClearProgramStats();
10998 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11002 flipView = appData.flipView;
11003 ClearPremoveHighlights();
11004 gotPremove = FALSE;
11005 alarmSounded = FALSE;
11007 GameEnds(EndOfFile, NULL, GE_PLAYER);
11008 if(appData.serverMovesName != NULL) {
11009 /* [HGM] prepare to make moves file for broadcasting */
11010 clock_t t = clock();
11011 if(serverMoves != NULL) fclose(serverMoves);
11012 serverMoves = fopen(appData.serverMovesName, "r");
11013 if(serverMoves != NULL) {
11014 fclose(serverMoves);
11015 /* delay 15 sec before overwriting, so all clients can see end */
11016 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11018 serverMoves = fopen(appData.serverMovesName, "w");
11022 gameMode = BeginningOfGame;
11024 if(appData.icsActive) gameInfo.variant = VariantNormal;
11025 currentMove = forwardMostMove = backwardMostMove = 0;
11026 MarkTargetSquares(1);
11027 InitPosition(redraw);
11028 for (i = 0; i < MAX_MOVES; i++) {
11029 if (commentList[i] != NULL) {
11030 free(commentList[i]);
11031 commentList[i] = NULL;
11035 timeRemaining[0][0] = whiteTimeRemaining;
11036 timeRemaining[1][0] = blackTimeRemaining;
11038 if (first.pr == NoProc) {
11039 StartChessProgram(&first);
11042 InitChessProgram(&first, startedFromSetupPosition);
11045 DisplayMessage("", "");
11046 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11047 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11048 ClearMap(); // [HGM] exclude: invalidate map
11052 AutoPlayGameLoop ()
11055 if (!AutoPlayOneMove())
11057 if (matchMode || appData.timeDelay == 0)
11059 if (appData.timeDelay < 0)
11061 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11069 ReloadGame(1); // next game
11075 int fromX, fromY, toX, toY;
11077 if (appData.debugMode) {
11078 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11081 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11084 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11085 pvInfoList[currentMove].depth = programStats.depth;
11086 pvInfoList[currentMove].score = programStats.score;
11087 pvInfoList[currentMove].time = 0;
11088 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11091 if (currentMove >= forwardMostMove) {
11092 if(gameMode == AnalyzeFile) {
11093 if(appData.loadGameIndex == -1) {
11094 GameEnds(EndOfFile, NULL, GE_FILE);
11095 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11097 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11100 // gameMode = EndOfGame;
11101 // ModeHighlight();
11103 /* [AS] Clear current move marker at the end of a game */
11104 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11109 toX = moveList[currentMove][2] - AAA;
11110 toY = moveList[currentMove][3] - ONE;
11112 if (moveList[currentMove][1] == '@') {
11113 if (appData.highlightLastMove) {
11114 SetHighlights(-1, -1, toX, toY);
11117 fromX = moveList[currentMove][0] - AAA;
11118 fromY = moveList[currentMove][1] - ONE;
11120 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11122 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11124 if (appData.highlightLastMove) {
11125 SetHighlights(fromX, fromY, toX, toY);
11128 DisplayMove(currentMove);
11129 SendMoveToProgram(currentMove++, &first);
11130 DisplayBothClocks();
11131 DrawPosition(FALSE, boards[currentMove]);
11132 // [HGM] PV info: always display, routine tests if empty
11133 DisplayComment(currentMove - 1, commentList[currentMove]);
11139 LoadGameOneMove (ChessMove readAhead)
11141 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11142 char promoChar = NULLCHAR;
11143 ChessMove moveType;
11144 char move[MSG_SIZ];
11147 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11148 gameMode != AnalyzeMode && gameMode != Training) {
11153 yyboardindex = forwardMostMove;
11154 if (readAhead != EndOfFile) {
11155 moveType = readAhead;
11157 if (gameFileFP == NULL)
11159 moveType = (ChessMove) Myylex();
11163 switch (moveType) {
11165 if (appData.debugMode)
11166 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11169 /* append the comment but don't display it */
11170 AppendComment(currentMove, p, FALSE);
11173 case WhiteCapturesEnPassant:
11174 case BlackCapturesEnPassant:
11175 case WhitePromotion:
11176 case BlackPromotion:
11177 case WhiteNonPromotion:
11178 case BlackNonPromotion:
11180 case WhiteKingSideCastle:
11181 case WhiteQueenSideCastle:
11182 case BlackKingSideCastle:
11183 case BlackQueenSideCastle:
11184 case WhiteKingSideCastleWild:
11185 case WhiteQueenSideCastleWild:
11186 case BlackKingSideCastleWild:
11187 case BlackQueenSideCastleWild:
11189 case WhiteHSideCastleFR:
11190 case WhiteASideCastleFR:
11191 case BlackHSideCastleFR:
11192 case BlackASideCastleFR:
11194 if (appData.debugMode)
11195 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11196 fromX = currentMoveString[0] - AAA;
11197 fromY = currentMoveString[1] - ONE;
11198 toX = currentMoveString[2] - AAA;
11199 toY = currentMoveString[3] - ONE;
11200 promoChar = currentMoveString[4];
11205 if (appData.debugMode)
11206 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11207 fromX = moveType == WhiteDrop ?
11208 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11209 (int) CharToPiece(ToLower(currentMoveString[0]));
11211 toX = currentMoveString[2] - AAA;
11212 toY = currentMoveString[3] - ONE;
11218 case GameUnfinished:
11219 if (appData.debugMode)
11220 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11221 p = strchr(yy_text, '{');
11222 if (p == NULL) p = strchr(yy_text, '(');
11225 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11227 q = strchr(p, *p == '{' ? '}' : ')');
11228 if (q != NULL) *q = NULLCHAR;
11231 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11232 GameEnds(moveType, p, GE_FILE);
11234 if (cmailMsgLoaded) {
11236 flipView = WhiteOnMove(currentMove);
11237 if (moveType == GameUnfinished) flipView = !flipView;
11238 if (appData.debugMode)
11239 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11244 if (appData.debugMode)
11245 fprintf(debugFP, "Parser hit end of file\n");
11246 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11252 if (WhiteOnMove(currentMove)) {
11253 GameEnds(BlackWins, "Black mates", GE_FILE);
11255 GameEnds(WhiteWins, "White mates", GE_FILE);
11259 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11265 case MoveNumberOne:
11266 if (lastLoadGameStart == GNUChessGame) {
11267 /* GNUChessGames have numbers, but they aren't move numbers */
11268 if (appData.debugMode)
11269 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11270 yy_text, (int) moveType);
11271 return LoadGameOneMove(EndOfFile); /* tail recursion */
11273 /* else fall thru */
11278 /* Reached start of next game in file */
11279 if (appData.debugMode)
11280 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11281 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11287 if (WhiteOnMove(currentMove)) {
11288 GameEnds(BlackWins, "Black mates", GE_FILE);
11290 GameEnds(WhiteWins, "White mates", GE_FILE);
11294 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11300 case PositionDiagram: /* should not happen; ignore */
11301 case ElapsedTime: /* ignore */
11302 case NAG: /* ignore */
11303 if (appData.debugMode)
11304 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11305 yy_text, (int) moveType);
11306 return LoadGameOneMove(EndOfFile); /* tail recursion */
11309 if (appData.testLegality) {
11310 if (appData.debugMode)
11311 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11312 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11313 (forwardMostMove / 2) + 1,
11314 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11315 DisplayError(move, 0);
11318 if (appData.debugMode)
11319 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11320 yy_text, currentMoveString);
11321 fromX = currentMoveString[0] - AAA;
11322 fromY = currentMoveString[1] - ONE;
11323 toX = currentMoveString[2] - AAA;
11324 toY = currentMoveString[3] - ONE;
11325 promoChar = currentMoveString[4];
11329 case AmbiguousMove:
11330 if (appData.debugMode)
11331 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11332 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11333 (forwardMostMove / 2) + 1,
11334 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11335 DisplayError(move, 0);
11340 case ImpossibleMove:
11341 if (appData.debugMode)
11342 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11343 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11344 (forwardMostMove / 2) + 1,
11345 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11346 DisplayError(move, 0);
11352 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11353 DrawPosition(FALSE, boards[currentMove]);
11354 DisplayBothClocks();
11355 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11356 DisplayComment(currentMove - 1, commentList[currentMove]);
11358 (void) StopLoadGameTimer();
11360 cmailOldMove = forwardMostMove;
11363 /* currentMoveString is set as a side-effect of yylex */
11365 thinkOutput[0] = NULLCHAR;
11366 MakeMove(fromX, fromY, toX, toY, promoChar);
11367 currentMove = forwardMostMove;
11372 /* Load the nth game from the given file */
11374 LoadGameFromFile (char *filename, int n, char *title, int useList)
11379 if (strcmp(filename, "-") == 0) {
11383 f = fopen(filename, "rb");
11385 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11386 DisplayError(buf, errno);
11390 if (fseek(f, 0, 0) == -1) {
11391 /* f is not seekable; probably a pipe */
11394 if (useList && n == 0) {
11395 int error = GameListBuild(f);
11397 DisplayError(_("Cannot build game list"), error);
11398 } else if (!ListEmpty(&gameList) &&
11399 ((ListGame *) gameList.tailPred)->number > 1) {
11400 GameListPopUp(f, title);
11407 return LoadGame(f, n, title, FALSE);
11412 MakeRegisteredMove ()
11414 int fromX, fromY, toX, toY;
11416 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11417 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11420 if (appData.debugMode)
11421 fprintf(debugFP, "Restoring %s for game %d\n",
11422 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11424 thinkOutput[0] = NULLCHAR;
11425 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11426 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11427 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11428 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11429 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11430 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11431 MakeMove(fromX, fromY, toX, toY, promoChar);
11432 ShowMove(fromX, fromY, toX, toY);
11434 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11441 if (WhiteOnMove(currentMove)) {
11442 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11444 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11449 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11456 if (WhiteOnMove(currentMove)) {
11457 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11459 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11464 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11475 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11477 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11481 if (gameNumber > nCmailGames) {
11482 DisplayError(_("No more games in this message"), 0);
11485 if (f == lastLoadGameFP) {
11486 int offset = gameNumber - lastLoadGameNumber;
11488 cmailMsg[0] = NULLCHAR;
11489 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11490 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11491 nCmailMovesRegistered--;
11493 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11494 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11495 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11498 if (! RegisterMove()) return FALSE;
11502 retVal = LoadGame(f, gameNumber, title, useList);
11504 /* Make move registered during previous look at this game, if any */
11505 MakeRegisteredMove();
11507 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11508 commentList[currentMove]
11509 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11510 DisplayComment(currentMove - 1, commentList[currentMove]);
11516 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11518 ReloadGame (int offset)
11520 int gameNumber = lastLoadGameNumber + offset;
11521 if (lastLoadGameFP == NULL) {
11522 DisplayError(_("No game has been loaded yet"), 0);
11525 if (gameNumber <= 0) {
11526 DisplayError(_("Can't back up any further"), 0);
11529 if (cmailMsgLoaded) {
11530 return CmailLoadGame(lastLoadGameFP, gameNumber,
11531 lastLoadGameTitle, lastLoadGameUseList);
11533 return LoadGame(lastLoadGameFP, gameNumber,
11534 lastLoadGameTitle, lastLoadGameUseList);
11538 int keys[EmptySquare+1];
11541 PositionMatches (Board b1, Board b2)
11544 switch(appData.searchMode) {
11545 case 1: return CompareWithRights(b1, b2);
11547 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11548 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11552 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11553 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11554 sum += keys[b1[r][f]] - keys[b2[r][f]];
11558 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11559 sum += keys[b1[r][f]] - keys[b2[r][f]];
11571 int pieceList[256], quickBoard[256];
11572 ChessSquare pieceType[256] = { EmptySquare };
11573 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11574 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11575 int soughtTotal, turn;
11576 Boolean epOK, flipSearch;
11579 unsigned char piece, to;
11582 #define DSIZE (250000)
11584 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11585 Move *moveDatabase = initialSpace;
11586 unsigned int movePtr, dataSize = DSIZE;
11589 MakePieceList (Board board, int *counts)
11591 int r, f, n=Q_PROMO, total=0;
11592 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11593 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11594 int sq = f + (r<<4);
11595 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11596 quickBoard[sq] = ++n;
11598 pieceType[n] = board[r][f];
11599 counts[board[r][f]]++;
11600 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11601 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11605 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11610 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11612 int sq = fromX + (fromY<<4);
11613 int piece = quickBoard[sq];
11614 quickBoard[sq] = 0;
11615 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11616 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11617 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11618 moveDatabase[movePtr++].piece = Q_WCASTL;
11619 quickBoard[sq] = piece;
11620 piece = quickBoard[from]; quickBoard[from] = 0;
11621 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11623 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11624 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11625 moveDatabase[movePtr++].piece = Q_BCASTL;
11626 quickBoard[sq] = piece;
11627 piece = quickBoard[from]; quickBoard[from] = 0;
11628 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11630 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11631 quickBoard[(fromY<<4)+toX] = 0;
11632 moveDatabase[movePtr].piece = Q_EP;
11633 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11634 moveDatabase[movePtr].to = sq;
11636 if(promoPiece != pieceType[piece]) {
11637 moveDatabase[movePtr++].piece = Q_PROMO;
11638 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11640 moveDatabase[movePtr].piece = piece;
11641 quickBoard[sq] = piece;
11646 PackGame (Board board)
11648 Move *newSpace = NULL;
11649 moveDatabase[movePtr].piece = 0; // terminate previous game
11650 if(movePtr > dataSize) {
11651 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11652 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11653 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11656 Move *p = moveDatabase, *q = newSpace;
11657 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11658 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11659 moveDatabase = newSpace;
11660 } else { // calloc failed, we must be out of memory. Too bad...
11661 dataSize = 0; // prevent calloc events for all subsequent games
11662 return 0; // and signal this one isn't cached
11666 MakePieceList(board, counts);
11671 QuickCompare (Board board, int *minCounts, int *maxCounts)
11672 { // compare according to search mode
11674 switch(appData.searchMode)
11676 case 1: // exact position match
11677 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11678 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11679 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11682 case 2: // can have extra material on empty squares
11683 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11684 if(board[r][f] == EmptySquare) continue;
11685 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11688 case 3: // material with exact Pawn structure
11689 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11690 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11691 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11692 } // fall through to material comparison
11693 case 4: // exact material
11694 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11696 case 6: // material range with given imbalance
11697 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11698 // fall through to range comparison
11699 case 5: // material range
11700 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11706 QuickScan (Board board, Move *move)
11707 { // reconstruct game,and compare all positions in it
11708 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11710 int piece = move->piece;
11711 int to = move->to, from = pieceList[piece];
11712 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11713 if(!piece) return -1;
11714 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11715 piece = (++move)->piece;
11716 from = pieceList[piece];
11717 counts[pieceType[piece]]--;
11718 pieceType[piece] = (ChessSquare) move->to;
11719 counts[move->to]++;
11720 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11721 counts[pieceType[quickBoard[to]]]--;
11722 quickBoard[to] = 0; total--;
11725 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11726 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11727 from = pieceList[piece]; // so this must be King
11728 quickBoard[from] = 0;
11729 pieceList[piece] = to;
11730 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11731 quickBoard[from] = 0; // rook
11732 quickBoard[to] = piece;
11733 to = move->to; piece = move->piece;
11737 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11738 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11739 quickBoard[from] = 0;
11741 quickBoard[to] = piece;
11742 pieceList[piece] = to;
11744 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11745 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11746 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11747 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11749 static int lastCounts[EmptySquare+1];
11751 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11752 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11753 } else stretch = 0;
11754 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11763 flipSearch = FALSE;
11764 CopyBoard(soughtBoard, boards[currentMove]);
11765 soughtTotal = MakePieceList(soughtBoard, maxSought);
11766 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11767 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11768 CopyBoard(reverseBoard, boards[currentMove]);
11769 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11770 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11771 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11772 reverseBoard[r][f] = piece;
11774 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11775 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11776 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11777 || (boards[currentMove][CASTLING][2] == NoRights ||
11778 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11779 && (boards[currentMove][CASTLING][5] == NoRights ||
11780 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11783 CopyBoard(flipBoard, soughtBoard);
11784 CopyBoard(rotateBoard, reverseBoard);
11785 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11786 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11787 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11790 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11791 if(appData.searchMode >= 5) {
11792 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11793 MakePieceList(soughtBoard, minSought);
11794 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11796 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11797 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11800 GameInfo dummyInfo;
11801 static int creatingBook;
11804 GameContainsPosition (FILE *f, ListGame *lg)
11806 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11807 int fromX, fromY, toX, toY;
11809 static int initDone=FALSE;
11811 // weed out games based on numerical tag comparison
11812 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11813 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11814 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11815 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11817 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11820 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11821 else CopyBoard(boards[scratch], initialPosition); // default start position
11824 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11825 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11828 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11829 fseek(f, lg->offset, 0);
11832 yyboardindex = scratch;
11833 quickFlag = plyNr+1;
11838 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11844 if(plyNr) return -1; // after we have seen moves, this is for new game
11847 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11848 case ImpossibleMove:
11849 case WhiteWins: // game ends here with these four
11852 case GameUnfinished:
11856 if(appData.testLegality) return -1;
11857 case WhiteCapturesEnPassant:
11858 case BlackCapturesEnPassant:
11859 case WhitePromotion:
11860 case BlackPromotion:
11861 case WhiteNonPromotion:
11862 case BlackNonPromotion:
11864 case WhiteKingSideCastle:
11865 case WhiteQueenSideCastle:
11866 case BlackKingSideCastle:
11867 case BlackQueenSideCastle:
11868 case WhiteKingSideCastleWild:
11869 case WhiteQueenSideCastleWild:
11870 case BlackKingSideCastleWild:
11871 case BlackQueenSideCastleWild:
11872 case WhiteHSideCastleFR:
11873 case WhiteASideCastleFR:
11874 case BlackHSideCastleFR:
11875 case BlackASideCastleFR:
11876 fromX = currentMoveString[0] - AAA;
11877 fromY = currentMoveString[1] - ONE;
11878 toX = currentMoveString[2] - AAA;
11879 toY = currentMoveString[3] - ONE;
11880 promoChar = currentMoveString[4];
11884 fromX = next == WhiteDrop ?
11885 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11886 (int) CharToPiece(ToLower(currentMoveString[0]));
11888 toX = currentMoveString[2] - AAA;
11889 toY = currentMoveString[3] - ONE;
11893 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11895 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11896 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11897 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11898 if(appData.findMirror) {
11899 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11900 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11905 /* Load the nth game from open file f */
11907 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11911 int gn = gameNumber;
11912 ListGame *lg = NULL;
11913 int numPGNTags = 0;
11915 GameMode oldGameMode;
11916 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11918 if (appData.debugMode)
11919 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11921 if (gameMode == Training )
11922 SetTrainingModeOff();
11924 oldGameMode = gameMode;
11925 if (gameMode != BeginningOfGame) {
11926 Reset(FALSE, TRUE);
11930 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11931 fclose(lastLoadGameFP);
11935 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11938 fseek(f, lg->offset, 0);
11939 GameListHighlight(gameNumber);
11940 pos = lg->position;
11944 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
11945 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
11947 DisplayError(_("Game number out of range"), 0);
11952 if (fseek(f, 0, 0) == -1) {
11953 if (f == lastLoadGameFP ?
11954 gameNumber == lastLoadGameNumber + 1 :
11958 DisplayError(_("Can't seek on game file"), 0);
11963 lastLoadGameFP = f;
11964 lastLoadGameNumber = gameNumber;
11965 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11966 lastLoadGameUseList = useList;
11970 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11971 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11972 lg->gameInfo.black);
11974 } else if (*title != NULLCHAR) {
11975 if (gameNumber > 1) {
11976 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11979 DisplayTitle(title);
11983 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11984 gameMode = PlayFromGameFile;
11988 currentMove = forwardMostMove = backwardMostMove = 0;
11989 CopyBoard(boards[0], initialPosition);
11993 * Skip the first gn-1 games in the file.
11994 * Also skip over anything that precedes an identifiable
11995 * start of game marker, to avoid being confused by
11996 * garbage at the start of the file. Currently
11997 * recognized start of game markers are the move number "1",
11998 * the pattern "gnuchess .* game", the pattern
11999 * "^[#;%] [^ ]* game file", and a PGN tag block.
12000 * A game that starts with one of the latter two patterns
12001 * will also have a move number 1, possibly
12002 * following a position diagram.
12003 * 5-4-02: Let's try being more lenient and allowing a game to
12004 * start with an unnumbered move. Does that break anything?
12006 cm = lastLoadGameStart = EndOfFile;
12008 yyboardindex = forwardMostMove;
12009 cm = (ChessMove) Myylex();
12012 if (cmailMsgLoaded) {
12013 nCmailGames = CMAIL_MAX_GAMES - gn;
12016 DisplayError(_("Game not found in file"), 0);
12023 lastLoadGameStart = cm;
12026 case MoveNumberOne:
12027 switch (lastLoadGameStart) {
12032 case MoveNumberOne:
12034 gn--; /* count this game */
12035 lastLoadGameStart = cm;
12044 switch (lastLoadGameStart) {
12047 case MoveNumberOne:
12049 gn--; /* count this game */
12050 lastLoadGameStart = cm;
12053 lastLoadGameStart = cm; /* game counted already */
12061 yyboardindex = forwardMostMove;
12062 cm = (ChessMove) Myylex();
12063 } while (cm == PGNTag || cm == Comment);
12070 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12071 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12072 != CMAIL_OLD_RESULT) {
12074 cmailResult[ CMAIL_MAX_GAMES
12075 - gn - 1] = CMAIL_OLD_RESULT;
12081 /* Only a NormalMove can be at the start of a game
12082 * without a position diagram. */
12083 if (lastLoadGameStart == EndOfFile ) {
12085 lastLoadGameStart = MoveNumberOne;
12094 if (appData.debugMode)
12095 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12097 if (cm == XBoardGame) {
12098 /* Skip any header junk before position diagram and/or move 1 */
12100 yyboardindex = forwardMostMove;
12101 cm = (ChessMove) Myylex();
12103 if (cm == EndOfFile ||
12104 cm == GNUChessGame || cm == XBoardGame) {
12105 /* Empty game; pretend end-of-file and handle later */
12110 if (cm == MoveNumberOne || cm == PositionDiagram ||
12111 cm == PGNTag || cm == Comment)
12114 } else if (cm == GNUChessGame) {
12115 if (gameInfo.event != NULL) {
12116 free(gameInfo.event);
12118 gameInfo.event = StrSave(yy_text);
12121 startedFromSetupPosition = FALSE;
12122 while (cm == PGNTag) {
12123 if (appData.debugMode)
12124 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12125 err = ParsePGNTag(yy_text, &gameInfo);
12126 if (!err) numPGNTags++;
12128 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12129 if(gameInfo.variant != oldVariant) {
12130 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12131 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12132 InitPosition(TRUE);
12133 oldVariant = gameInfo.variant;
12134 if (appData.debugMode)
12135 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12139 if (gameInfo.fen != NULL) {
12140 Board initial_position;
12141 startedFromSetupPosition = TRUE;
12142 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12144 DisplayError(_("Bad FEN position in file"), 0);
12147 CopyBoard(boards[0], initial_position);
12148 if (blackPlaysFirst) {
12149 currentMove = forwardMostMove = backwardMostMove = 1;
12150 CopyBoard(boards[1], initial_position);
12151 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12152 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12153 timeRemaining[0][1] = whiteTimeRemaining;
12154 timeRemaining[1][1] = blackTimeRemaining;
12155 if (commentList[0] != NULL) {
12156 commentList[1] = commentList[0];
12157 commentList[0] = NULL;
12160 currentMove = forwardMostMove = backwardMostMove = 0;
12162 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12164 initialRulePlies = FENrulePlies;
12165 for( i=0; i< nrCastlingRights; i++ )
12166 initialRights[i] = initial_position[CASTLING][i];
12168 yyboardindex = forwardMostMove;
12169 free(gameInfo.fen);
12170 gameInfo.fen = NULL;
12173 yyboardindex = forwardMostMove;
12174 cm = (ChessMove) Myylex();
12176 /* Handle comments interspersed among the tags */
12177 while (cm == Comment) {
12179 if (appData.debugMode)
12180 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12182 AppendComment(currentMove, p, FALSE);
12183 yyboardindex = forwardMostMove;
12184 cm = (ChessMove) Myylex();
12188 /* don't rely on existence of Event tag since if game was
12189 * pasted from clipboard the Event tag may not exist
12191 if (numPGNTags > 0){
12193 if (gameInfo.variant == VariantNormal) {
12194 VariantClass v = StringToVariant(gameInfo.event);
12195 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12196 if(v < VariantShogi) gameInfo.variant = v;
12199 if( appData.autoDisplayTags ) {
12200 tags = PGNTags(&gameInfo);
12201 TagsPopUp(tags, CmailMsg());
12206 /* Make something up, but don't display it now */
12211 if (cm == PositionDiagram) {
12214 Board initial_position;
12216 if (appData.debugMode)
12217 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12219 if (!startedFromSetupPosition) {
12221 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12222 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12233 initial_position[i][j++] = CharToPiece(*p);
12236 while (*p == ' ' || *p == '\t' ||
12237 *p == '\n' || *p == '\r') p++;
12239 if (strncmp(p, "black", strlen("black"))==0)
12240 blackPlaysFirst = TRUE;
12242 blackPlaysFirst = FALSE;
12243 startedFromSetupPosition = TRUE;
12245 CopyBoard(boards[0], initial_position);
12246 if (blackPlaysFirst) {
12247 currentMove = forwardMostMove = backwardMostMove = 1;
12248 CopyBoard(boards[1], initial_position);
12249 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12250 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12251 timeRemaining[0][1] = whiteTimeRemaining;
12252 timeRemaining[1][1] = blackTimeRemaining;
12253 if (commentList[0] != NULL) {
12254 commentList[1] = commentList[0];
12255 commentList[0] = NULL;
12258 currentMove = forwardMostMove = backwardMostMove = 0;
12261 yyboardindex = forwardMostMove;
12262 cm = (ChessMove) Myylex();
12265 if(!creatingBook) {
12266 if (first.pr == NoProc) {
12267 StartChessProgram(&first);
12269 InitChessProgram(&first, FALSE);
12270 SendToProgram("force\n", &first);
12271 if (startedFromSetupPosition) {
12272 SendBoard(&first, forwardMostMove);
12273 if (appData.debugMode) {
12274 fprintf(debugFP, "Load Game\n");
12276 DisplayBothClocks();
12280 /* [HGM] server: flag to write setup moves in broadcast file as one */
12281 loadFlag = appData.suppressLoadMoves;
12283 while (cm == Comment) {
12285 if (appData.debugMode)
12286 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12288 AppendComment(currentMove, p, FALSE);
12289 yyboardindex = forwardMostMove;
12290 cm = (ChessMove) Myylex();
12293 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12294 cm == WhiteWins || cm == BlackWins ||
12295 cm == GameIsDrawn || cm == GameUnfinished) {
12296 DisplayMessage("", _("No moves in game"));
12297 if (cmailMsgLoaded) {
12298 if (appData.debugMode)
12299 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12303 DrawPosition(FALSE, boards[currentMove]);
12304 DisplayBothClocks();
12305 gameMode = EditGame;
12312 // [HGM] PV info: routine tests if comment empty
12313 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12314 DisplayComment(currentMove - 1, commentList[currentMove]);
12316 if (!matchMode && appData.timeDelay != 0)
12317 DrawPosition(FALSE, boards[currentMove]);
12319 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12320 programStats.ok_to_send = 1;
12323 /* if the first token after the PGN tags is a move
12324 * and not move number 1, retrieve it from the parser
12326 if (cm != MoveNumberOne)
12327 LoadGameOneMove(cm);
12329 /* load the remaining moves from the file */
12330 while (LoadGameOneMove(EndOfFile)) {
12331 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12332 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12335 /* rewind to the start of the game */
12336 currentMove = backwardMostMove;
12338 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12340 if (oldGameMode == AnalyzeFile ||
12341 oldGameMode == AnalyzeMode) {
12342 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12344 AnalyzeFileEvent();
12348 if(creatingBook) return TRUE;
12349 if (!matchMode && pos > 0) {
12350 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12352 if (matchMode || appData.timeDelay == 0) {
12354 } else if (appData.timeDelay > 0) {
12355 AutoPlayGameLoop();
12358 if (appData.debugMode)
12359 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12361 loadFlag = 0; /* [HGM] true game starts */
12365 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12367 ReloadPosition (int offset)
12369 int positionNumber = lastLoadPositionNumber + offset;
12370 if (lastLoadPositionFP == NULL) {
12371 DisplayError(_("No position has been loaded yet"), 0);
12374 if (positionNumber <= 0) {
12375 DisplayError(_("Can't back up any further"), 0);
12378 return LoadPosition(lastLoadPositionFP, positionNumber,
12379 lastLoadPositionTitle);
12382 /* Load the nth position from the given file */
12384 LoadPositionFromFile (char *filename, int n, char *title)
12389 if (strcmp(filename, "-") == 0) {
12390 return LoadPosition(stdin, n, "stdin");
12392 f = fopen(filename, "rb");
12394 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12395 DisplayError(buf, errno);
12398 return LoadPosition(f, n, title);
12403 /* Load the nth position from the given open file, and close it */
12405 LoadPosition (FILE *f, int positionNumber, char *title)
12407 char *p, line[MSG_SIZ];
12408 Board initial_position;
12409 int i, j, fenMode, pn;
12411 if (gameMode == Training )
12412 SetTrainingModeOff();
12414 if (gameMode != BeginningOfGame) {
12415 Reset(FALSE, TRUE);
12417 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12418 fclose(lastLoadPositionFP);
12420 if (positionNumber == 0) positionNumber = 1;
12421 lastLoadPositionFP = f;
12422 lastLoadPositionNumber = positionNumber;
12423 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12424 if (first.pr == NoProc && !appData.noChessProgram) {
12425 StartChessProgram(&first);
12426 InitChessProgram(&first, FALSE);
12428 pn = positionNumber;
12429 if (positionNumber < 0) {
12430 /* Negative position number means to seek to that byte offset */
12431 if (fseek(f, -positionNumber, 0) == -1) {
12432 DisplayError(_("Can't seek on position file"), 0);
12437 if (fseek(f, 0, 0) == -1) {
12438 if (f == lastLoadPositionFP ?
12439 positionNumber == lastLoadPositionNumber + 1 :
12440 positionNumber == 1) {
12443 DisplayError(_("Can't seek on position file"), 0);
12448 /* See if this file is FEN or old-style xboard */
12449 if (fgets(line, MSG_SIZ, f) == NULL) {
12450 DisplayError(_("Position not found in file"), 0);
12453 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12454 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12457 if (fenMode || line[0] == '#') pn--;
12459 /* skip positions before number pn */
12460 if (fgets(line, MSG_SIZ, f) == NULL) {
12462 DisplayError(_("Position not found in file"), 0);
12465 if (fenMode || line[0] == '#') pn--;
12470 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12471 DisplayError(_("Bad FEN position in file"), 0);
12475 (void) fgets(line, MSG_SIZ, f);
12476 (void) fgets(line, MSG_SIZ, f);
12478 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12479 (void) fgets(line, MSG_SIZ, f);
12480 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12483 initial_position[i][j++] = CharToPiece(*p);
12487 blackPlaysFirst = FALSE;
12489 (void) fgets(line, MSG_SIZ, f);
12490 if (strncmp(line, "black", strlen("black"))==0)
12491 blackPlaysFirst = TRUE;
12494 startedFromSetupPosition = TRUE;
12496 CopyBoard(boards[0], initial_position);
12497 if (blackPlaysFirst) {
12498 currentMove = forwardMostMove = backwardMostMove = 1;
12499 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12500 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12501 CopyBoard(boards[1], initial_position);
12502 DisplayMessage("", _("Black to play"));
12504 currentMove = forwardMostMove = backwardMostMove = 0;
12505 DisplayMessage("", _("White to play"));
12507 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12508 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12509 SendToProgram("force\n", &first);
12510 SendBoard(&first, forwardMostMove);
12512 if (appData.debugMode) {
12514 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12515 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12516 fprintf(debugFP, "Load Position\n");
12519 if (positionNumber > 1) {
12520 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12521 DisplayTitle(line);
12523 DisplayTitle(title);
12525 gameMode = EditGame;
12528 timeRemaining[0][1] = whiteTimeRemaining;
12529 timeRemaining[1][1] = blackTimeRemaining;
12530 DrawPosition(FALSE, boards[currentMove]);
12537 CopyPlayerNameIntoFileName (char **dest, char *src)
12539 while (*src != NULLCHAR && *src != ',') {
12544 *(*dest)++ = *src++;
12550 DefaultFileName (char *ext)
12552 static char def[MSG_SIZ];
12555 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12557 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12559 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12561 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12568 /* Save the current game to the given file */
12570 SaveGameToFile (char *filename, int append)
12574 int result, i, t,tot=0;
12576 if (strcmp(filename, "-") == 0) {
12577 return SaveGame(stdout, 0, NULL);
12579 for(i=0; i<10; i++) { // upto 10 tries
12580 f = fopen(filename, append ? "a" : "w");
12581 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12582 if(f || errno != 13) break;
12583 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12587 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12588 DisplayError(buf, errno);
12591 safeStrCpy(buf, lastMsg, MSG_SIZ);
12592 DisplayMessage(_("Waiting for access to save file"), "");
12593 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12594 DisplayMessage(_("Saving game"), "");
12595 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12596 result = SaveGame(f, 0, NULL);
12597 DisplayMessage(buf, "");
12604 SavePart (char *str)
12606 static char buf[MSG_SIZ];
12609 p = strchr(str, ' ');
12610 if (p == NULL) return str;
12611 strncpy(buf, str, p - str);
12612 buf[p - str] = NULLCHAR;
12616 #define PGN_MAX_LINE 75
12618 #define PGN_SIDE_WHITE 0
12619 #define PGN_SIDE_BLACK 1
12622 FindFirstMoveOutOfBook (int side)
12626 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12627 int index = backwardMostMove;
12628 int has_book_hit = 0;
12630 if( (index % 2) != side ) {
12634 while( index < forwardMostMove ) {
12635 /* Check to see if engine is in book */
12636 int depth = pvInfoList[index].depth;
12637 int score = pvInfoList[index].score;
12643 else if( score == 0 && depth == 63 ) {
12644 in_book = 1; /* Zappa */
12646 else if( score == 2 && depth == 99 ) {
12647 in_book = 1; /* Abrok */
12650 has_book_hit += in_book;
12666 GetOutOfBookInfo (char * buf)
12670 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12672 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12673 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12677 if( oob[0] >= 0 || oob[1] >= 0 ) {
12678 for( i=0; i<2; i++ ) {
12682 if( i > 0 && oob[0] >= 0 ) {
12683 strcat( buf, " " );
12686 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12687 sprintf( buf+strlen(buf), "%s%.2f",
12688 pvInfoList[idx].score >= 0 ? "+" : "",
12689 pvInfoList[idx].score / 100.0 );
12695 /* Save game in PGN style and close the file */
12697 SaveGamePGN (FILE *f)
12699 int i, offset, linelen, newblock;
12702 int movelen, numlen, blank;
12703 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12705 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12707 PrintPGNTags(f, &gameInfo);
12709 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12711 if (backwardMostMove > 0 || startedFromSetupPosition) {
12712 char *fen = PositionToFEN(backwardMostMove, NULL);
12713 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12714 fprintf(f, "\n{--------------\n");
12715 PrintPosition(f, backwardMostMove);
12716 fprintf(f, "--------------}\n");
12720 /* [AS] Out of book annotation */
12721 if( appData.saveOutOfBookInfo ) {
12724 GetOutOfBookInfo( buf );
12726 if( buf[0] != '\0' ) {
12727 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12734 i = backwardMostMove;
12738 while (i < forwardMostMove) {
12739 /* Print comments preceding this move */
12740 if (commentList[i] != NULL) {
12741 if (linelen > 0) fprintf(f, "\n");
12742 fprintf(f, "%s", commentList[i]);
12747 /* Format move number */
12749 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12752 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12754 numtext[0] = NULLCHAR;
12756 numlen = strlen(numtext);
12759 /* Print move number */
12760 blank = linelen > 0 && numlen > 0;
12761 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12770 fprintf(f, "%s", numtext);
12774 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12775 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12778 blank = linelen > 0 && movelen > 0;
12779 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12788 fprintf(f, "%s", move_buffer);
12789 linelen += movelen;
12791 /* [AS] Add PV info if present */
12792 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12793 /* [HGM] add time */
12794 char buf[MSG_SIZ]; int seconds;
12796 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12802 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12805 seconds = (seconds + 4)/10; // round to full seconds
12807 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12809 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12812 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12813 pvInfoList[i].score >= 0 ? "+" : "",
12814 pvInfoList[i].score / 100.0,
12815 pvInfoList[i].depth,
12818 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12820 /* Print score/depth */
12821 blank = linelen > 0 && movelen > 0;
12822 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12831 fprintf(f, "%s", move_buffer);
12832 linelen += movelen;
12838 /* Start a new line */
12839 if (linelen > 0) fprintf(f, "\n");
12841 /* Print comments after last move */
12842 if (commentList[i] != NULL) {
12843 fprintf(f, "%s\n", commentList[i]);
12847 if (gameInfo.resultDetails != NULL &&
12848 gameInfo.resultDetails[0] != NULLCHAR) {
12849 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12850 PGNResult(gameInfo.result));
12852 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12856 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12860 /* Save game in old style and close the file */
12862 SaveGameOldStyle (FILE *f)
12867 tm = time((time_t *) NULL);
12869 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12872 if (backwardMostMove > 0 || startedFromSetupPosition) {
12873 fprintf(f, "\n[--------------\n");
12874 PrintPosition(f, backwardMostMove);
12875 fprintf(f, "--------------]\n");
12880 i = backwardMostMove;
12881 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12883 while (i < forwardMostMove) {
12884 if (commentList[i] != NULL) {
12885 fprintf(f, "[%s]\n", commentList[i]);
12888 if ((i % 2) == 1) {
12889 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12892 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12894 if (commentList[i] != NULL) {
12898 if (i >= forwardMostMove) {
12902 fprintf(f, "%s\n", parseList[i]);
12907 if (commentList[i] != NULL) {
12908 fprintf(f, "[%s]\n", commentList[i]);
12911 /* This isn't really the old style, but it's close enough */
12912 if (gameInfo.resultDetails != NULL &&
12913 gameInfo.resultDetails[0] != NULLCHAR) {
12914 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12915 gameInfo.resultDetails);
12917 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12924 /* Save the current game to open file f and close the file */
12926 SaveGame (FILE *f, int dummy, char *dummy2)
12928 if (gameMode == EditPosition) EditPositionDone(TRUE);
12929 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12930 if (appData.oldSaveStyle)
12931 return SaveGameOldStyle(f);
12933 return SaveGamePGN(f);
12936 /* Save the current position to the given file */
12938 SavePositionToFile (char *filename)
12943 if (strcmp(filename, "-") == 0) {
12944 return SavePosition(stdout, 0, NULL);
12946 f = fopen(filename, "a");
12948 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12949 DisplayError(buf, errno);
12952 safeStrCpy(buf, lastMsg, MSG_SIZ);
12953 DisplayMessage(_("Waiting for access to save file"), "");
12954 flock(fileno(f), LOCK_EX); // [HGM] lock
12955 DisplayMessage(_("Saving position"), "");
12956 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12957 SavePosition(f, 0, NULL);
12958 DisplayMessage(buf, "");
12964 /* Save the current position to the given open file and close the file */
12966 SavePosition (FILE *f, int dummy, char *dummy2)
12971 if (gameMode == EditPosition) EditPositionDone(TRUE);
12972 if (appData.oldSaveStyle) {
12973 tm = time((time_t *) NULL);
12975 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12977 fprintf(f, "[--------------\n");
12978 PrintPosition(f, currentMove);
12979 fprintf(f, "--------------]\n");
12981 fen = PositionToFEN(currentMove, NULL);
12982 fprintf(f, "%s\n", fen);
12990 ReloadCmailMsgEvent (int unregister)
12993 static char *inFilename = NULL;
12994 static char *outFilename;
12996 struct stat inbuf, outbuf;
12999 /* Any registered moves are unregistered if unregister is set, */
13000 /* i.e. invoked by the signal handler */
13002 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13003 cmailMoveRegistered[i] = FALSE;
13004 if (cmailCommentList[i] != NULL) {
13005 free(cmailCommentList[i]);
13006 cmailCommentList[i] = NULL;
13009 nCmailMovesRegistered = 0;
13012 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13013 cmailResult[i] = CMAIL_NOT_RESULT;
13017 if (inFilename == NULL) {
13018 /* Because the filenames are static they only get malloced once */
13019 /* and they never get freed */
13020 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13021 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13023 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13024 sprintf(outFilename, "%s.out", appData.cmailGameName);
13027 status = stat(outFilename, &outbuf);
13029 cmailMailedMove = FALSE;
13031 status = stat(inFilename, &inbuf);
13032 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13035 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13036 counts the games, notes how each one terminated, etc.
13038 It would be nice to remove this kludge and instead gather all
13039 the information while building the game list. (And to keep it
13040 in the game list nodes instead of having a bunch of fixed-size
13041 parallel arrays.) Note this will require getting each game's
13042 termination from the PGN tags, as the game list builder does
13043 not process the game moves. --mann
13045 cmailMsgLoaded = TRUE;
13046 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13048 /* Load first game in the file or popup game menu */
13049 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13051 #endif /* !WIN32 */
13059 char string[MSG_SIZ];
13061 if ( cmailMailedMove
13062 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13063 return TRUE; /* Allow free viewing */
13066 /* Unregister move to ensure that we don't leave RegisterMove */
13067 /* with the move registered when the conditions for registering no */
13069 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13070 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13071 nCmailMovesRegistered --;
13073 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13075 free(cmailCommentList[lastLoadGameNumber - 1]);
13076 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13080 if (cmailOldMove == -1) {
13081 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13085 if (currentMove > cmailOldMove + 1) {
13086 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13090 if (currentMove < cmailOldMove) {
13091 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13095 if (forwardMostMove > currentMove) {
13096 /* Silently truncate extra moves */
13100 if ( (currentMove == cmailOldMove + 1)
13101 || ( (currentMove == cmailOldMove)
13102 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13103 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13104 if (gameInfo.result != GameUnfinished) {
13105 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13108 if (commentList[currentMove] != NULL) {
13109 cmailCommentList[lastLoadGameNumber - 1]
13110 = StrSave(commentList[currentMove]);
13112 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13114 if (appData.debugMode)
13115 fprintf(debugFP, "Saving %s for game %d\n",
13116 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13118 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13120 f = fopen(string, "w");
13121 if (appData.oldSaveStyle) {
13122 SaveGameOldStyle(f); /* also closes the file */
13124 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13125 f = fopen(string, "w");
13126 SavePosition(f, 0, NULL); /* also closes the file */
13128 fprintf(f, "{--------------\n");
13129 PrintPosition(f, currentMove);
13130 fprintf(f, "--------------}\n\n");
13132 SaveGame(f, 0, NULL); /* also closes the file*/
13135 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13136 nCmailMovesRegistered ++;
13137 } else if (nCmailGames == 1) {
13138 DisplayError(_("You have not made a move yet"), 0);
13149 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13150 FILE *commandOutput;
13151 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13152 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13158 if (! cmailMsgLoaded) {
13159 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13163 if (nCmailGames == nCmailResults) {
13164 DisplayError(_("No unfinished games"), 0);
13168 #if CMAIL_PROHIBIT_REMAIL
13169 if (cmailMailedMove) {
13170 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);
13171 DisplayError(msg, 0);
13176 if (! (cmailMailedMove || RegisterMove())) return;
13178 if ( cmailMailedMove
13179 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13180 snprintf(string, MSG_SIZ, partCommandString,
13181 appData.debugMode ? " -v" : "", appData.cmailGameName);
13182 commandOutput = popen(string, "r");
13184 if (commandOutput == NULL) {
13185 DisplayError(_("Failed to invoke cmail"), 0);
13187 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13188 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13190 if (nBuffers > 1) {
13191 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13192 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13193 nBytes = MSG_SIZ - 1;
13195 (void) memcpy(msg, buffer, nBytes);
13197 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13199 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13200 cmailMailedMove = TRUE; /* Prevent >1 moves */
13203 for (i = 0; i < nCmailGames; i ++) {
13204 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13209 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13211 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13213 appData.cmailGameName,
13215 LoadGameFromFile(buffer, 1, buffer, FALSE);
13216 cmailMsgLoaded = FALSE;
13220 DisplayInformation(msg);
13221 pclose(commandOutput);
13224 if ((*cmailMsg) != '\0') {
13225 DisplayInformation(cmailMsg);
13230 #endif /* !WIN32 */
13239 int prependComma = 0;
13241 char string[MSG_SIZ]; /* Space for game-list */
13244 if (!cmailMsgLoaded) return "";
13246 if (cmailMailedMove) {
13247 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13249 /* Create a list of games left */
13250 snprintf(string, MSG_SIZ, "[");
13251 for (i = 0; i < nCmailGames; i ++) {
13252 if (! ( cmailMoveRegistered[i]
13253 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13254 if (prependComma) {
13255 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13257 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13261 strcat(string, number);
13264 strcat(string, "]");
13266 if (nCmailMovesRegistered + nCmailResults == 0) {
13267 switch (nCmailGames) {
13269 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13273 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13277 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13282 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13284 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13289 if (nCmailResults == nCmailGames) {
13290 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13292 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13297 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13309 if (gameMode == Training)
13310 SetTrainingModeOff();
13313 cmailMsgLoaded = FALSE;
13314 if (appData.icsActive) {
13315 SendToICS(ics_prefix);
13316 SendToICS("refresh\n");
13321 ExitEvent (int status)
13325 /* Give up on clean exit */
13329 /* Keep trying for clean exit */
13333 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13335 if (telnetISR != NULL) {
13336 RemoveInputSource(telnetISR);
13338 if (icsPR != NoProc) {
13339 DestroyChildProcess(icsPR, TRUE);
13342 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13343 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13345 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13346 /* make sure this other one finishes before killing it! */
13347 if(endingGame) { int count = 0;
13348 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13349 while(endingGame && count++ < 10) DoSleep(1);
13350 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13353 /* Kill off chess programs */
13354 if (first.pr != NoProc) {
13357 DoSleep( appData.delayBeforeQuit );
13358 SendToProgram("quit\n", &first);
13359 DoSleep( appData.delayAfterQuit );
13360 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13362 if (second.pr != NoProc) {
13363 DoSleep( appData.delayBeforeQuit );
13364 SendToProgram("quit\n", &second);
13365 DoSleep( appData.delayAfterQuit );
13366 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13368 if (first.isr != NULL) {
13369 RemoveInputSource(first.isr);
13371 if (second.isr != NULL) {
13372 RemoveInputSource(second.isr);
13375 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13376 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13378 ShutDownFrontEnd();
13383 PauseEngine (ChessProgramState *cps)
13385 SendToProgram("pause\n", cps);
13390 UnPauseEngine (ChessProgramState *cps)
13392 SendToProgram("resume\n", cps);
13399 if (appData.debugMode)
13400 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13404 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13406 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13407 if(stalledEngine->other->pause) UnPauseEngine(stalledEngine->other);
13408 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13410 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13411 HandleMachineMove(stashedInputMove, stalledEngine);
13412 stalledEngine = NULL;
13415 if (gameMode == MachinePlaysWhite ||
13416 gameMode == TwoMachinesPlay ||
13417 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13418 if(first.pause) UnPauseEngine(&first);
13419 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13420 if(second.pause) UnPauseEngine(&second);
13421 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13424 DisplayBothClocks();
13426 if (gameMode == PlayFromGameFile) {
13427 if (appData.timeDelay >= 0)
13428 AutoPlayGameLoop();
13429 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13430 Reset(FALSE, TRUE);
13431 SendToICS(ics_prefix);
13432 SendToICS("refresh\n");
13433 } else if (currentMove < forwardMostMove) {
13434 ForwardInner(forwardMostMove);
13436 pauseExamInvalid = FALSE;
13438 switch (gameMode) {
13442 pauseExamForwardMostMove = forwardMostMove;
13443 pauseExamInvalid = FALSE;
13446 case IcsPlayingWhite:
13447 case IcsPlayingBlack:
13451 case PlayFromGameFile:
13452 (void) StopLoadGameTimer();
13456 case BeginningOfGame:
13457 if (appData.icsActive) return;
13458 /* else fall through */
13459 case MachinePlaysWhite:
13460 case MachinePlaysBlack:
13461 case TwoMachinesPlay:
13462 if (forwardMostMove == 0)
13463 return; /* don't pause if no one has moved */
13464 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13465 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13466 if(onMove->pause) { // thinking engine can be paused
13467 PauseEngine(onMove); // do it
13468 if(onMove->other->pause) // pondering opponent can always be paused immediately
13469 PauseEngine(onMove->other);
13471 SendToProgram("easy\n", onMove->other);
13474 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13476 PauseEngine(&first);
13479 } else { // human on move, pause pondering by either method
13481 PauseEngine(&first);
13483 SendToProgram("easy\n", &first);
13486 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13496 EditCommentEvent ()
13498 char title[MSG_SIZ];
13500 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13501 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13503 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13504 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13505 parseList[currentMove - 1]);
13508 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13515 char *tags = PGNTags(&gameInfo);
13517 EditTagsPopUp(tags, NULL);
13524 if(second.analyzing) {
13525 SendToProgram("exit\n", &second);
13526 second.analyzing = FALSE;
13528 if (second.pr == NoProc) StartChessProgram(&second);
13529 InitChessProgram(&second, FALSE);
13530 FeedMovesToProgram(&second, currentMove);
13532 SendToProgram("analyze\n", &second);
13533 second.analyzing = TRUE;
13537 /* Toggle ShowThinking */
13539 ToggleShowThinking()
13541 appData.showThinking = !appData.showThinking;
13542 ShowThinkingEvent();
13546 AnalyzeModeEvent ()
13550 if (!first.analysisSupport) {
13551 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13552 DisplayError(buf, 0);
13555 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13556 if (appData.icsActive) {
13557 if (gameMode != IcsObserving) {
13558 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13559 DisplayError(buf, 0);
13561 if (appData.icsEngineAnalyze) {
13562 if (appData.debugMode)
13563 fprintf(debugFP, _("Found unexpected active ICS engine analyze \n"));
13569 /* if enable, user wants to disable icsEngineAnalyze */
13570 if (appData.icsEngineAnalyze) {
13575 appData.icsEngineAnalyze = TRUE;
13576 if (appData.debugMode)
13577 fprintf(debugFP, _("ICS engine analyze starting... \n"));
13580 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13581 if (appData.noChessProgram || gameMode == AnalyzeMode)
13584 if (gameMode != AnalyzeFile) {
13585 if (!appData.icsEngineAnalyze) {
13587 if (gameMode != EditGame) return 0;
13589 if (!appData.showThinking) ToggleShowThinking();
13590 ResurrectChessProgram();
13591 SendToProgram("analyze\n", &first);
13592 first.analyzing = TRUE;
13593 /*first.maybeThinking = TRUE;*/
13594 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13595 EngineOutputPopUp();
13597 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13602 StartAnalysisClock();
13603 GetTimeMark(&lastNodeCountTime);
13609 AnalyzeFileEvent ()
13611 if (appData.noChessProgram || gameMode == AnalyzeFile)
13614 if (!first.analysisSupport) {
13616 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13617 DisplayError(buf, 0);
13621 if (gameMode != AnalyzeMode) {
13623 if (gameMode != EditGame) return;
13624 if (!appData.showThinking) ToggleShowThinking();
13625 ResurrectChessProgram();
13626 SendToProgram("analyze\n", &first);
13627 first.analyzing = TRUE;
13628 /*first.maybeThinking = TRUE;*/
13629 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13630 EngineOutputPopUp();
13632 gameMode = AnalyzeFile;
13637 StartAnalysisClock();
13638 GetTimeMark(&lastNodeCountTime);
13640 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13641 AnalysisPeriodicEvent(1);
13645 MachineWhiteEvent ()
13648 char *bookHit = NULL;
13650 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13654 if (gameMode == PlayFromGameFile ||
13655 gameMode == TwoMachinesPlay ||
13656 gameMode == Training ||
13657 gameMode == AnalyzeMode ||
13658 gameMode == EndOfGame)
13661 if (gameMode == EditPosition)
13662 EditPositionDone(TRUE);
13664 if (!WhiteOnMove(currentMove)) {
13665 DisplayError(_("It is not White's turn"), 0);
13669 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13672 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13673 gameMode == AnalyzeFile)
13676 ResurrectChessProgram(); /* in case it isn't running */
13677 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13678 gameMode = MachinePlaysWhite;
13681 gameMode = MachinePlaysWhite;
13685 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13687 if (first.sendName) {
13688 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13689 SendToProgram(buf, &first);
13691 if (first.sendTime) {
13692 if (first.useColors) {
13693 SendToProgram("black\n", &first); /*gnu kludge*/
13695 SendTimeRemaining(&first, TRUE);
13697 if (first.useColors) {
13698 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13700 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13701 SetMachineThinkingEnables();
13702 first.maybeThinking = TRUE;
13706 if (appData.autoFlipView && !flipView) {
13707 flipView = !flipView;
13708 DrawPosition(FALSE, NULL);
13709 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13712 if(bookHit) { // [HGM] book: simulate book reply
13713 static char bookMove[MSG_SIZ]; // a bit generous?
13715 programStats.nodes = programStats.depth = programStats.time =
13716 programStats.score = programStats.got_only_move = 0;
13717 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13719 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13720 strcat(bookMove, bookHit);
13721 HandleMachineMove(bookMove, &first);
13726 MachineBlackEvent ()
13729 char *bookHit = NULL;
13731 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13735 if (gameMode == PlayFromGameFile ||
13736 gameMode == TwoMachinesPlay ||
13737 gameMode == Training ||
13738 gameMode == AnalyzeMode ||
13739 gameMode == EndOfGame)
13742 if (gameMode == EditPosition)
13743 EditPositionDone(TRUE);
13745 if (WhiteOnMove(currentMove)) {
13746 DisplayError(_("It is not Black's turn"), 0);
13750 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13753 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13754 gameMode == AnalyzeFile)
13757 ResurrectChessProgram(); /* in case it isn't running */
13758 gameMode = MachinePlaysBlack;
13762 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13764 if (first.sendName) {
13765 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13766 SendToProgram(buf, &first);
13768 if (first.sendTime) {
13769 if (first.useColors) {
13770 SendToProgram("white\n", &first); /*gnu kludge*/
13772 SendTimeRemaining(&first, FALSE);
13774 if (first.useColors) {
13775 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13777 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13778 SetMachineThinkingEnables();
13779 first.maybeThinking = TRUE;
13782 if (appData.autoFlipView && flipView) {
13783 flipView = !flipView;
13784 DrawPosition(FALSE, NULL);
13785 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13787 if(bookHit) { // [HGM] book: simulate book reply
13788 static char bookMove[MSG_SIZ]; // a bit generous?
13790 programStats.nodes = programStats.depth = programStats.time =
13791 programStats.score = programStats.got_only_move = 0;
13792 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13794 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13795 strcat(bookMove, bookHit);
13796 HandleMachineMove(bookMove, &first);
13802 DisplayTwoMachinesTitle ()
13805 if (appData.matchGames > 0) {
13806 if(appData.tourneyFile[0]) {
13807 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13808 gameInfo.white, _("vs."), gameInfo.black,
13809 nextGame+1, appData.matchGames+1,
13810 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13812 if (first.twoMachinesColor[0] == 'w') {
13813 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13814 gameInfo.white, _("vs."), gameInfo.black,
13815 first.matchWins, second.matchWins,
13816 matchGame - 1 - (first.matchWins + second.matchWins));
13818 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13819 gameInfo.white, _("vs."), gameInfo.black,
13820 second.matchWins, first.matchWins,
13821 matchGame - 1 - (first.matchWins + second.matchWins));
13824 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13830 SettingsMenuIfReady ()
13832 if (second.lastPing != second.lastPong) {
13833 DisplayMessage("", _("Waiting for second chess program"));
13834 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13838 DisplayMessage("", "");
13839 SettingsPopUp(&second);
13843 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13846 if (cps->pr == NoProc) {
13847 StartChessProgram(cps);
13848 if (cps->protocolVersion == 1) {
13851 /* kludge: allow timeout for initial "feature" command */
13853 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13854 DisplayMessage("", buf);
13855 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13863 TwoMachinesEvent P((void))
13867 ChessProgramState *onmove;
13868 char *bookHit = NULL;
13869 static int stalling = 0;
13873 if (appData.noChessProgram) return;
13875 switch (gameMode) {
13876 case TwoMachinesPlay:
13878 case MachinePlaysWhite:
13879 case MachinePlaysBlack:
13880 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13881 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13885 case BeginningOfGame:
13886 case PlayFromGameFile:
13889 if (gameMode != EditGame) return;
13892 EditPositionDone(TRUE);
13903 // forwardMostMove = currentMove;
13904 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13906 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13908 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13909 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13910 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13914 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13915 DisplayError("second engine does not play this", 0);
13920 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13921 SendToProgram("force\n", &second);
13923 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13926 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13927 if(appData.matchPause>10000 || appData.matchPause<10)
13928 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13929 wait = SubtractTimeMarks(&now, &pauseStart);
13930 if(wait < appData.matchPause) {
13931 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13934 // we are now committed to starting the game
13936 DisplayMessage("", "");
13937 if (startedFromSetupPosition) {
13938 SendBoard(&second, backwardMostMove);
13939 if (appData.debugMode) {
13940 fprintf(debugFP, "Two Machines\n");
13943 for (i = backwardMostMove; i < forwardMostMove; i++) {
13944 SendMoveToProgram(i, &second);
13947 gameMode = TwoMachinesPlay;
13949 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13951 DisplayTwoMachinesTitle();
13953 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13958 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13959 SendToProgram(first.computerString, &first);
13960 if (first.sendName) {
13961 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13962 SendToProgram(buf, &first);
13964 SendToProgram(second.computerString, &second);
13965 if (second.sendName) {
13966 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13967 SendToProgram(buf, &second);
13971 if (!first.sendTime || !second.sendTime) {
13972 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13973 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13975 if (onmove->sendTime) {
13976 if (onmove->useColors) {
13977 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13979 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13981 if (onmove->useColors) {
13982 SendToProgram(onmove->twoMachinesColor, onmove);
13984 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13985 // SendToProgram("go\n", onmove);
13986 onmove->maybeThinking = TRUE;
13987 SetMachineThinkingEnables();
13991 if(bookHit) { // [HGM] book: simulate book reply
13992 static char bookMove[MSG_SIZ]; // a bit generous?
13994 programStats.nodes = programStats.depth = programStats.time =
13995 programStats.score = programStats.got_only_move = 0;
13996 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13998 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13999 strcat(bookMove, bookHit);
14000 savedMessage = bookMove; // args for deferred call
14001 savedState = onmove;
14002 ScheduleDelayedEvent(DeferredBookMove, 1);
14009 if (gameMode == Training) {
14010 SetTrainingModeOff();
14011 gameMode = PlayFromGameFile;
14012 DisplayMessage("", _("Training mode off"));
14014 gameMode = Training;
14015 animateTraining = appData.animate;
14017 /* make sure we are not already at the end of the game */
14018 if (currentMove < forwardMostMove) {
14019 SetTrainingModeOn();
14020 DisplayMessage("", _("Training mode on"));
14022 gameMode = PlayFromGameFile;
14023 DisplayError(_("Already at end of game"), 0);
14032 if (!appData.icsActive) return;
14033 switch (gameMode) {
14034 case IcsPlayingWhite:
14035 case IcsPlayingBlack:
14038 case BeginningOfGame:
14046 EditPositionDone(TRUE);
14059 gameMode = IcsIdle;
14069 switch (gameMode) {
14071 SetTrainingModeOff();
14073 case MachinePlaysWhite:
14074 case MachinePlaysBlack:
14075 case BeginningOfGame:
14076 SendToProgram("force\n", &first);
14077 SetUserThinkingEnables();
14079 case PlayFromGameFile:
14080 (void) StopLoadGameTimer();
14081 if (gameFileFP != NULL) {
14086 EditPositionDone(TRUE);
14091 SendToProgram("force\n", &first);
14093 case TwoMachinesPlay:
14094 GameEnds(EndOfFile, NULL, GE_PLAYER);
14095 ResurrectChessProgram();
14096 SetUserThinkingEnables();
14099 ResurrectChessProgram();
14101 case IcsPlayingBlack:
14102 case IcsPlayingWhite:
14103 DisplayError(_("Warning: You are still playing a game"), 0);
14106 DisplayError(_("Warning: You are still observing a game"), 0);
14109 DisplayError(_("Warning: You are still examining a game"), 0);
14120 first.offeredDraw = second.offeredDraw = 0;
14122 if (gameMode == PlayFromGameFile) {
14123 whiteTimeRemaining = timeRemaining[0][currentMove];
14124 blackTimeRemaining = timeRemaining[1][currentMove];
14128 if (gameMode == MachinePlaysWhite ||
14129 gameMode == MachinePlaysBlack ||
14130 gameMode == TwoMachinesPlay ||
14131 gameMode == EndOfGame) {
14132 i = forwardMostMove;
14133 while (i > currentMove) {
14134 SendToProgram("undo\n", &first);
14137 if(!adjustedClock) {
14138 whiteTimeRemaining = timeRemaining[0][currentMove];
14139 blackTimeRemaining = timeRemaining[1][currentMove];
14140 DisplayBothClocks();
14142 if (whiteFlag || blackFlag) {
14143 whiteFlag = blackFlag = 0;
14148 gameMode = EditGame;
14155 EditPositionEvent ()
14157 if (gameMode == EditPosition) {
14163 if (gameMode != EditGame) return;
14165 gameMode = EditPosition;
14168 if (currentMove > 0)
14169 CopyBoard(boards[0], boards[currentMove]);
14171 blackPlaysFirst = !WhiteOnMove(currentMove);
14173 currentMove = forwardMostMove = backwardMostMove = 0;
14174 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14176 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14182 /* [DM] icsEngineAnalyze - possible call from other functions */
14183 if (appData.icsEngineAnalyze) {
14184 appData.icsEngineAnalyze = FALSE;
14186 DisplayMessage("",_("Close ICS engine analyze..."));
14188 if (first.analysisSupport && first.analyzing) {
14189 SendToBoth("exit\n");
14190 first.analyzing = second.analyzing = FALSE;
14192 thinkOutput[0] = NULLCHAR;
14196 EditPositionDone (Boolean fakeRights)
14198 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14200 startedFromSetupPosition = TRUE;
14201 InitChessProgram(&first, FALSE);
14202 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14203 boards[0][EP_STATUS] = EP_NONE;
14204 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14205 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14206 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14207 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14208 } else boards[0][CASTLING][2] = NoRights;
14209 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14210 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14211 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14212 } else boards[0][CASTLING][5] = NoRights;
14213 if(gameInfo.variant == VariantSChess) {
14215 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14216 boards[0][VIRGIN][i] = 0;
14217 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14218 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14222 SendToProgram("force\n", &first);
14223 if (blackPlaysFirst) {
14224 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14225 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14226 currentMove = forwardMostMove = backwardMostMove = 1;
14227 CopyBoard(boards[1], boards[0]);
14229 currentMove = forwardMostMove = backwardMostMove = 0;
14231 SendBoard(&first, forwardMostMove);
14232 if (appData.debugMode) {
14233 fprintf(debugFP, "EditPosDone\n");
14236 DisplayMessage("", "");
14237 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14238 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14239 gameMode = EditGame;
14241 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14242 ClearHighlights(); /* [AS] */
14245 /* Pause for `ms' milliseconds */
14246 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14248 TimeDelay (long ms)
14255 } while (SubtractTimeMarks(&m2, &m1) < ms);
14258 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14260 SendMultiLineToICS (char *buf)
14262 char temp[MSG_SIZ+1], *p;
14269 strncpy(temp, buf, len);
14274 if (*p == '\n' || *p == '\r')
14279 strcat(temp, "\n");
14281 SendToPlayer(temp, strlen(temp));
14285 SetWhiteToPlayEvent ()
14287 if (gameMode == EditPosition) {
14288 blackPlaysFirst = FALSE;
14289 DisplayBothClocks(); /* works because currentMove is 0 */
14290 } else if (gameMode == IcsExamining) {
14291 SendToICS(ics_prefix);
14292 SendToICS("tomove white\n");
14297 SetBlackToPlayEvent ()
14299 if (gameMode == EditPosition) {
14300 blackPlaysFirst = TRUE;
14301 currentMove = 1; /* kludge */
14302 DisplayBothClocks();
14304 } else if (gameMode == IcsExamining) {
14305 SendToICS(ics_prefix);
14306 SendToICS("tomove black\n");
14311 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14314 ChessSquare piece = boards[0][y][x];
14316 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14318 switch (selection) {
14320 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14321 SendToICS(ics_prefix);
14322 SendToICS("bsetup clear\n");
14323 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14324 SendToICS(ics_prefix);
14325 SendToICS("clearboard\n");
14327 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14328 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14329 for (y = 0; y < BOARD_HEIGHT; y++) {
14330 if (gameMode == IcsExamining) {
14331 if (boards[currentMove][y][x] != EmptySquare) {
14332 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14337 boards[0][y][x] = p;
14342 if (gameMode == EditPosition) {
14343 DrawPosition(FALSE, boards[0]);
14348 SetWhiteToPlayEvent();
14352 SetBlackToPlayEvent();
14356 if (gameMode == IcsExamining) {
14357 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14358 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14361 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14362 if(x == BOARD_LEFT-2) {
14363 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14364 boards[0][y][1] = 0;
14366 if(x == BOARD_RGHT+1) {
14367 if(y >= gameInfo.holdingsSize) break;
14368 boards[0][y][BOARD_WIDTH-2] = 0;
14371 boards[0][y][x] = EmptySquare;
14372 DrawPosition(FALSE, boards[0]);
14377 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14378 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14379 selection = (ChessSquare) (PROMOTED piece);
14380 } else if(piece == EmptySquare) selection = WhiteSilver;
14381 else selection = (ChessSquare)((int)piece - 1);
14385 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14386 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14387 selection = (ChessSquare) (DEMOTED piece);
14388 } else if(piece == EmptySquare) selection = BlackSilver;
14389 else selection = (ChessSquare)((int)piece + 1);
14394 if(gameInfo.variant == VariantShatranj ||
14395 gameInfo.variant == VariantXiangqi ||
14396 gameInfo.variant == VariantCourier ||
14397 gameInfo.variant == VariantMakruk )
14398 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14403 if(gameInfo.variant == VariantXiangqi)
14404 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14405 if(gameInfo.variant == VariantKnightmate)
14406 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14409 if (gameMode == IcsExamining) {
14410 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14411 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14412 PieceToChar(selection), AAA + x, ONE + y);
14415 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14417 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14418 n = PieceToNumber(selection - BlackPawn);
14419 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14420 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14421 boards[0][BOARD_HEIGHT-1-n][1]++;
14423 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14424 n = PieceToNumber(selection);
14425 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14426 boards[0][n][BOARD_WIDTH-1] = selection;
14427 boards[0][n][BOARD_WIDTH-2]++;
14430 boards[0][y][x] = selection;
14431 DrawPosition(TRUE, boards[0]);
14433 fromX = fromY = -1;
14441 DropMenuEvent (ChessSquare selection, int x, int y)
14443 ChessMove moveType;
14445 switch (gameMode) {
14446 case IcsPlayingWhite:
14447 case MachinePlaysBlack:
14448 if (!WhiteOnMove(currentMove)) {
14449 DisplayMoveError(_("It is Black's turn"));
14452 moveType = WhiteDrop;
14454 case IcsPlayingBlack:
14455 case MachinePlaysWhite:
14456 if (WhiteOnMove(currentMove)) {
14457 DisplayMoveError(_("It is White's turn"));
14460 moveType = BlackDrop;
14463 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14469 if (moveType == BlackDrop && selection < BlackPawn) {
14470 selection = (ChessSquare) ((int) selection
14471 + (int) BlackPawn - (int) WhitePawn);
14473 if (boards[currentMove][y][x] != EmptySquare) {
14474 DisplayMoveError(_("That square is occupied"));
14478 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14484 /* Accept a pending offer of any kind from opponent */
14486 if (appData.icsActive) {
14487 SendToICS(ics_prefix);
14488 SendToICS("accept\n");
14489 } else if (cmailMsgLoaded) {
14490 if (currentMove == cmailOldMove &&
14491 commentList[cmailOldMove] != NULL &&
14492 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14493 "Black offers a draw" : "White offers a draw")) {
14495 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14496 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14498 DisplayError(_("There is no pending offer on this move"), 0);
14499 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14502 /* Not used for offers from chess program */
14509 /* Decline a pending offer of any kind from opponent */
14511 if (appData.icsActive) {
14512 SendToICS(ics_prefix);
14513 SendToICS("decline\n");
14514 } else if (cmailMsgLoaded) {
14515 if (currentMove == cmailOldMove &&
14516 commentList[cmailOldMove] != NULL &&
14517 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14518 "Black offers a draw" : "White offers a draw")) {
14520 AppendComment(cmailOldMove, "Draw declined", TRUE);
14521 DisplayComment(cmailOldMove - 1, "Draw declined");
14524 DisplayError(_("There is no pending offer on this move"), 0);
14527 /* Not used for offers from chess program */
14534 /* Issue ICS rematch command */
14535 if (appData.icsActive) {
14536 SendToICS(ics_prefix);
14537 SendToICS("rematch\n");
14544 /* Call your opponent's flag (claim a win on time) */
14545 if (appData.icsActive) {
14546 SendToICS(ics_prefix);
14547 SendToICS("flag\n");
14549 switch (gameMode) {
14552 case MachinePlaysWhite:
14555 GameEnds(GameIsDrawn, "Both players ran out of time",
14558 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14560 DisplayError(_("Your opponent is not out of time"), 0);
14563 case MachinePlaysBlack:
14566 GameEnds(GameIsDrawn, "Both players ran out of time",
14569 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14571 DisplayError(_("Your opponent is not out of time"), 0);
14579 ClockClick (int which)
14580 { // [HGM] code moved to back-end from winboard.c
14581 if(which) { // black clock
14582 if (gameMode == EditPosition || gameMode == IcsExamining) {
14583 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14584 SetBlackToPlayEvent();
14585 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14586 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14587 } else if (shiftKey) {
14588 AdjustClock(which, -1);
14589 } else if (gameMode == IcsPlayingWhite ||
14590 gameMode == MachinePlaysBlack) {
14593 } else { // white clock
14594 if (gameMode == EditPosition || gameMode == IcsExamining) {
14595 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14596 SetWhiteToPlayEvent();
14597 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14598 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14599 } else if (shiftKey) {
14600 AdjustClock(which, -1);
14601 } else if (gameMode == IcsPlayingBlack ||
14602 gameMode == MachinePlaysWhite) {
14611 /* Offer draw or accept pending draw offer from opponent */
14613 if (appData.icsActive) {
14614 /* Note: tournament rules require draw offers to be
14615 made after you make your move but before you punch
14616 your clock. Currently ICS doesn't let you do that;
14617 instead, you immediately punch your clock after making
14618 a move, but you can offer a draw at any time. */
14620 SendToICS(ics_prefix);
14621 SendToICS("draw\n");
14622 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14623 } else if (cmailMsgLoaded) {
14624 if (currentMove == cmailOldMove &&
14625 commentList[cmailOldMove] != NULL &&
14626 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14627 "Black offers a draw" : "White offers a draw")) {
14628 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14629 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14630 } else if (currentMove == cmailOldMove + 1) {
14631 char *offer = WhiteOnMove(cmailOldMove) ?
14632 "White offers a draw" : "Black offers a draw";
14633 AppendComment(currentMove, offer, TRUE);
14634 DisplayComment(currentMove - 1, offer);
14635 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14637 DisplayError(_("You must make your move before offering a draw"), 0);
14638 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14640 } else if (first.offeredDraw) {
14641 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14643 if (first.sendDrawOffers) {
14644 SendToProgram("draw\n", &first);
14645 userOfferedDraw = TRUE;
14653 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14655 if (appData.icsActive) {
14656 SendToICS(ics_prefix);
14657 SendToICS("adjourn\n");
14659 /* Currently GNU Chess doesn't offer or accept Adjourns */
14667 /* Offer Abort or accept pending Abort offer from opponent */
14669 if (appData.icsActive) {
14670 SendToICS(ics_prefix);
14671 SendToICS("abort\n");
14673 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14680 /* Resign. You can do this even if it's not your turn. */
14682 if (appData.icsActive) {
14683 SendToICS(ics_prefix);
14684 SendToICS("resign\n");
14686 switch (gameMode) {
14687 case MachinePlaysWhite:
14688 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14690 case MachinePlaysBlack:
14691 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14694 if (cmailMsgLoaded) {
14696 if (WhiteOnMove(cmailOldMove)) {
14697 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14699 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14701 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14712 StopObservingEvent ()
14714 /* Stop observing current games */
14715 SendToICS(ics_prefix);
14716 SendToICS("unobserve\n");
14720 StopExaminingEvent ()
14722 /* Stop observing current game */
14723 SendToICS(ics_prefix);
14724 SendToICS("unexamine\n");
14728 ForwardInner (int target)
14730 int limit; int oldSeekGraphUp = seekGraphUp;
14732 if (appData.debugMode)
14733 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14734 target, currentMove, forwardMostMove);
14736 if (gameMode == EditPosition)
14739 seekGraphUp = FALSE;
14740 MarkTargetSquares(1);
14742 if (gameMode == PlayFromGameFile && !pausing)
14745 if (gameMode == IcsExamining && pausing)
14746 limit = pauseExamForwardMostMove;
14748 limit = forwardMostMove;
14750 if (target > limit) target = limit;
14752 if (target > 0 && moveList[target - 1][0]) {
14753 int fromX, fromY, toX, toY;
14754 toX = moveList[target - 1][2] - AAA;
14755 toY = moveList[target - 1][3] - ONE;
14756 if (moveList[target - 1][1] == '@') {
14757 if (appData.highlightLastMove) {
14758 SetHighlights(-1, -1, toX, toY);
14761 fromX = moveList[target - 1][0] - AAA;
14762 fromY = moveList[target - 1][1] - ONE;
14763 if (target == currentMove + 1) {
14764 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14766 if (appData.highlightLastMove) {
14767 SetHighlights(fromX, fromY, toX, toY);
14771 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14772 gameMode == Training || gameMode == PlayFromGameFile ||
14773 gameMode == AnalyzeFile) {
14774 while (currentMove < target) {
14775 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14776 SendMoveToProgram(currentMove++, &first);
14779 currentMove = target;
14782 if (gameMode == EditGame || gameMode == EndOfGame) {
14783 whiteTimeRemaining = timeRemaining[0][currentMove];
14784 blackTimeRemaining = timeRemaining[1][currentMove];
14786 DisplayBothClocks();
14787 DisplayMove(currentMove - 1);
14788 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14789 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14790 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14791 DisplayComment(currentMove - 1, commentList[currentMove]);
14793 ClearMap(); // [HGM] exclude: invalidate map
14800 if (gameMode == IcsExamining && !pausing) {
14801 SendToICS(ics_prefix);
14802 SendToICS("forward\n");
14804 ForwardInner(currentMove + 1);
14811 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14812 /* to optimze, we temporarily turn off analysis mode while we feed
14813 * the remaining moves to the engine. Otherwise we get analysis output
14816 if (first.analysisSupport) {
14817 SendToProgram("exit\nforce\n", &first);
14818 first.analyzing = FALSE;
14822 if (gameMode == IcsExamining && !pausing) {
14823 SendToICS(ics_prefix);
14824 SendToICS("forward 999999\n");
14826 ForwardInner(forwardMostMove);
14829 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14830 /* we have fed all the moves, so reactivate analysis mode */
14831 SendToProgram("analyze\n", &first);
14832 first.analyzing = TRUE;
14833 /*first.maybeThinking = TRUE;*/
14834 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14839 BackwardInner (int target)
14841 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14843 if (appData.debugMode)
14844 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14845 target, currentMove, forwardMostMove);
14847 if (gameMode == EditPosition) return;
14848 seekGraphUp = FALSE;
14849 MarkTargetSquares(1);
14850 if (currentMove <= backwardMostMove) {
14852 DrawPosition(full_redraw, boards[currentMove]);
14855 if (gameMode == PlayFromGameFile && !pausing)
14858 if (moveList[target][0]) {
14859 int fromX, fromY, toX, toY;
14860 toX = moveList[target][2] - AAA;
14861 toY = moveList[target][3] - ONE;
14862 if (moveList[target][1] == '@') {
14863 if (appData.highlightLastMove) {
14864 SetHighlights(-1, -1, toX, toY);
14867 fromX = moveList[target][0] - AAA;
14868 fromY = moveList[target][1] - ONE;
14869 if (target == currentMove - 1) {
14870 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14872 if (appData.highlightLastMove) {
14873 SetHighlights(fromX, fromY, toX, toY);
14877 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14878 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14879 while (currentMove > target) {
14880 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14881 // null move cannot be undone. Reload program with move history before it.
14883 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14884 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14886 SendBoard(&first, i);
14887 if(second.analyzing) SendBoard(&second, i);
14888 for(currentMove=i; currentMove<target; currentMove++) {
14889 SendMoveToProgram(currentMove, &first);
14890 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14894 SendToBoth("undo\n");
14898 currentMove = target;
14901 if (gameMode == EditGame || gameMode == EndOfGame) {
14902 whiteTimeRemaining = timeRemaining[0][currentMove];
14903 blackTimeRemaining = timeRemaining[1][currentMove];
14905 DisplayBothClocks();
14906 DisplayMove(currentMove - 1);
14907 DrawPosition(full_redraw, boards[currentMove]);
14908 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14909 // [HGM] PV info: routine tests if comment empty
14910 DisplayComment(currentMove - 1, commentList[currentMove]);
14911 ClearMap(); // [HGM] exclude: invalidate map
14917 if (gameMode == IcsExamining && !pausing) {
14918 SendToICS(ics_prefix);
14919 SendToICS("backward\n");
14921 BackwardInner(currentMove - 1);
14928 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14929 /* to optimize, we temporarily turn off analysis mode while we undo
14930 * all the moves. Otherwise we get analysis output after each undo.
14932 if (first.analysisSupport) {
14933 SendToProgram("exit\nforce\n", &first);
14934 first.analyzing = FALSE;
14938 if (gameMode == IcsExamining && !pausing) {
14939 SendToICS(ics_prefix);
14940 SendToICS("backward 999999\n");
14942 BackwardInner(backwardMostMove);
14945 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14946 /* we have fed all the moves, so reactivate analysis mode */
14947 SendToProgram("analyze\n", &first);
14948 first.analyzing = TRUE;
14949 /*first.maybeThinking = TRUE;*/
14950 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14957 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14958 if (to >= forwardMostMove) to = forwardMostMove;
14959 if (to <= backwardMostMove) to = backwardMostMove;
14960 if (to < currentMove) {
14968 RevertEvent (Boolean annotate)
14970 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14973 if (gameMode != IcsExamining) {
14974 DisplayError(_("You are not examining a game"), 0);
14978 DisplayError(_("You can't revert while pausing"), 0);
14981 SendToICS(ics_prefix);
14982 SendToICS("revert\n");
14986 RetractMoveEvent ()
14988 switch (gameMode) {
14989 case MachinePlaysWhite:
14990 case MachinePlaysBlack:
14991 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14992 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14995 if (forwardMostMove < 2) return;
14996 currentMove = forwardMostMove = forwardMostMove - 2;
14997 whiteTimeRemaining = timeRemaining[0][currentMove];
14998 blackTimeRemaining = timeRemaining[1][currentMove];
14999 DisplayBothClocks();
15000 DisplayMove(currentMove - 1);
15001 ClearHighlights();/*!! could figure this out*/
15002 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15003 SendToProgram("remove\n", &first);
15004 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15007 case BeginningOfGame:
15011 case IcsPlayingWhite:
15012 case IcsPlayingBlack:
15013 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15014 SendToICS(ics_prefix);
15015 SendToICS("takeback 2\n");
15017 SendToICS(ics_prefix);
15018 SendToICS("takeback 1\n");
15027 ChessProgramState *cps;
15029 switch (gameMode) {
15030 case MachinePlaysWhite:
15031 if (!WhiteOnMove(forwardMostMove)) {
15032 DisplayError(_("It is your turn"), 0);
15037 case MachinePlaysBlack:
15038 if (WhiteOnMove(forwardMostMove)) {
15039 DisplayError(_("It is your turn"), 0);
15044 case TwoMachinesPlay:
15045 if (WhiteOnMove(forwardMostMove) ==
15046 (first.twoMachinesColor[0] == 'w')) {
15052 case BeginningOfGame:
15056 SendToProgram("?\n", cps);
15060 TruncateGameEvent ()
15063 if (gameMode != EditGame) return;
15070 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15071 if (forwardMostMove > currentMove) {
15072 if (gameInfo.resultDetails != NULL) {
15073 free(gameInfo.resultDetails);
15074 gameInfo.resultDetails = NULL;
15075 gameInfo.result = GameUnfinished;
15077 forwardMostMove = currentMove;
15078 HistorySet(parseList, backwardMostMove, forwardMostMove,
15086 if (appData.noChessProgram) return;
15087 switch (gameMode) {
15088 case MachinePlaysWhite:
15089 if (WhiteOnMove(forwardMostMove)) {
15090 DisplayError(_("Wait until your turn"), 0);
15094 case BeginningOfGame:
15095 case MachinePlaysBlack:
15096 if (!WhiteOnMove(forwardMostMove)) {
15097 DisplayError(_("Wait until your turn"), 0);
15102 DisplayError(_("No hint available"), 0);
15105 SendToProgram("hint\n", &first);
15106 hintRequested = TRUE;
15112 ListGame * lg = (ListGame *) gameList.head;
15115 static int secondTime = FALSE;
15117 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15118 DisplayError(_("Game list not loaded or empty"), 0);
15122 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15125 DisplayNote(_("Book file exists! Try again for overwrite."));
15129 creatingBook = TRUE;
15130 secondTime = FALSE;
15132 /* Get list size */
15133 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15134 LoadGame(f, nItem, "", TRUE);
15135 AddGameToBook(TRUE);
15136 lg = (ListGame *) lg->node.succ;
15139 creatingBook = FALSE;
15146 if (appData.noChessProgram) return;
15147 switch (gameMode) {
15148 case MachinePlaysWhite:
15149 if (WhiteOnMove(forwardMostMove)) {
15150 DisplayError(_("Wait until your turn"), 0);
15154 case BeginningOfGame:
15155 case MachinePlaysBlack:
15156 if (!WhiteOnMove(forwardMostMove)) {
15157 DisplayError(_("Wait until your turn"), 0);
15162 EditPositionDone(TRUE);
15164 case TwoMachinesPlay:
15169 SendToProgram("bk\n", &first);
15170 bookOutput[0] = NULLCHAR;
15171 bookRequested = TRUE;
15177 char *tags = PGNTags(&gameInfo);
15178 TagsPopUp(tags, CmailMsg());
15182 /* end button procedures */
15185 PrintPosition (FILE *fp, int move)
15189 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15190 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15191 char c = PieceToChar(boards[move][i][j]);
15192 fputc(c == 'x' ? '.' : c, fp);
15193 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15196 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15197 fprintf(fp, "white to play\n");
15199 fprintf(fp, "black to play\n");
15203 PrintOpponents (FILE *fp)
15205 if (gameInfo.white != NULL) {
15206 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15212 /* Find last component of program's own name, using some heuristics */
15214 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15217 int local = (strcmp(host, "localhost") == 0);
15218 while (!local && (p = strchr(prog, ';')) != NULL) {
15220 while (*p == ' ') p++;
15223 if (*prog == '"' || *prog == '\'') {
15224 q = strchr(prog + 1, *prog);
15226 q = strchr(prog, ' ');
15228 if (q == NULL) q = prog + strlen(prog);
15230 while (p >= prog && *p != '/' && *p != '\\') p--;
15232 if(p == prog && *p == '"') p++;
15234 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15235 memcpy(buf, p, q - p);
15236 buf[q - p] = NULLCHAR;
15244 TimeControlTagValue ()
15247 if (!appData.clockMode) {
15248 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15249 } else if (movesPerSession > 0) {
15250 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15251 } else if (timeIncrement == 0) {
15252 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15254 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15256 return StrSave(buf);
15262 /* This routine is used only for certain modes */
15263 VariantClass v = gameInfo.variant;
15264 ChessMove r = GameUnfinished;
15267 if(keepInfo) return;
15269 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15270 r = gameInfo.result;
15271 p = gameInfo.resultDetails;
15272 gameInfo.resultDetails = NULL;
15274 ClearGameInfo(&gameInfo);
15275 gameInfo.variant = v;
15277 switch (gameMode) {
15278 case MachinePlaysWhite:
15279 gameInfo.event = StrSave( appData.pgnEventHeader );
15280 gameInfo.site = StrSave(HostName());
15281 gameInfo.date = PGNDate();
15282 gameInfo.round = StrSave("-");
15283 gameInfo.white = StrSave(first.tidy);
15284 gameInfo.black = StrSave(UserName());
15285 gameInfo.timeControl = TimeControlTagValue();
15288 case MachinePlaysBlack:
15289 gameInfo.event = StrSave( appData.pgnEventHeader );
15290 gameInfo.site = StrSave(HostName());
15291 gameInfo.date = PGNDate();
15292 gameInfo.round = StrSave("-");
15293 gameInfo.white = StrSave(UserName());
15294 gameInfo.black = StrSave(first.tidy);
15295 gameInfo.timeControl = TimeControlTagValue();
15298 case TwoMachinesPlay:
15299 gameInfo.event = StrSave( appData.pgnEventHeader );
15300 gameInfo.site = StrSave(HostName());
15301 gameInfo.date = PGNDate();
15304 snprintf(buf, MSG_SIZ, "%d", roundNr);
15305 gameInfo.round = StrSave(buf);
15307 gameInfo.round = StrSave("-");
15309 if (first.twoMachinesColor[0] == 'w') {
15310 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15311 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15313 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15314 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15316 gameInfo.timeControl = TimeControlTagValue();
15320 gameInfo.event = StrSave("Edited game");
15321 gameInfo.site = StrSave(HostName());
15322 gameInfo.date = PGNDate();
15323 gameInfo.round = StrSave("-");
15324 gameInfo.white = StrSave("-");
15325 gameInfo.black = StrSave("-");
15326 gameInfo.result = r;
15327 gameInfo.resultDetails = p;
15331 gameInfo.event = StrSave("Edited position");
15332 gameInfo.site = StrSave(HostName());
15333 gameInfo.date = PGNDate();
15334 gameInfo.round = StrSave("-");
15335 gameInfo.white = StrSave("-");
15336 gameInfo.black = StrSave("-");
15339 case IcsPlayingWhite:
15340 case IcsPlayingBlack:
15345 case PlayFromGameFile:
15346 gameInfo.event = StrSave("Game from non-PGN file");
15347 gameInfo.site = StrSave(HostName());
15348 gameInfo.date = PGNDate();
15349 gameInfo.round = StrSave("-");
15350 gameInfo.white = StrSave("?");
15351 gameInfo.black = StrSave("?");
15360 ReplaceComment (int index, char *text)
15366 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15367 pvInfoList[index-1].depth == len &&
15368 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15369 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15370 while (*text == '\n') text++;
15371 len = strlen(text);
15372 while (len > 0 && text[len - 1] == '\n') len--;
15374 if (commentList[index] != NULL)
15375 free(commentList[index]);
15378 commentList[index] = NULL;
15381 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15382 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15383 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15384 commentList[index] = (char *) malloc(len + 2);
15385 strncpy(commentList[index], text, len);
15386 commentList[index][len] = '\n';
15387 commentList[index][len + 1] = NULLCHAR;
15389 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15391 commentList[index] = (char *) malloc(len + 7);
15392 safeStrCpy(commentList[index], "{\n", 3);
15393 safeStrCpy(commentList[index]+2, text, len+1);
15394 commentList[index][len+2] = NULLCHAR;
15395 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15396 strcat(commentList[index], "\n}\n");
15401 CrushCRs (char *text)
15409 if (ch == '\r') continue;
15411 } while (ch != '\0');
15415 AppendComment (int index, char *text, Boolean addBraces)
15416 /* addBraces tells if we should add {} */
15421 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15422 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15425 while (*text == '\n') text++;
15426 len = strlen(text);
15427 while (len > 0 && text[len - 1] == '\n') len--;
15428 text[len] = NULLCHAR;
15430 if (len == 0) return;
15432 if (commentList[index] != NULL) {
15433 Boolean addClosingBrace = addBraces;
15434 old = commentList[index];
15435 oldlen = strlen(old);
15436 while(commentList[index][oldlen-1] == '\n')
15437 commentList[index][--oldlen] = NULLCHAR;
15438 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15439 safeStrCpy(commentList[index], old, oldlen + len + 6);
15441 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15442 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15443 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15444 while (*text == '\n') { text++; len--; }
15445 commentList[index][--oldlen] = NULLCHAR;
15447 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15448 else strcat(commentList[index], "\n");
15449 strcat(commentList[index], text);
15450 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15451 else strcat(commentList[index], "\n");
15453 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15455 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15456 else commentList[index][0] = NULLCHAR;
15457 strcat(commentList[index], text);
15458 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15459 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15464 FindStr (char * text, char * sub_text)
15466 char * result = strstr( text, sub_text );
15468 if( result != NULL ) {
15469 result += strlen( sub_text );
15475 /* [AS] Try to extract PV info from PGN comment */
15476 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15478 GetInfoFromComment (int index, char * text)
15480 char * sep = text, *p;
15482 if( text != NULL && index > 0 ) {
15485 int time = -1, sec = 0, deci;
15486 char * s_eval = FindStr( text, "[%eval " );
15487 char * s_emt = FindStr( text, "[%emt " );
15489 if( s_eval != NULL || s_emt != NULL ) {
15493 if( s_eval != NULL ) {
15494 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15498 if( delim != ']' ) {
15503 if( s_emt != NULL ) {
15508 /* We expect something like: [+|-]nnn.nn/dd */
15511 if(*text != '{') return text; // [HGM] braces: must be normal comment
15513 sep = strchr( text, '/' );
15514 if( sep == NULL || sep < (text+4) ) {
15519 if(p[1] == '(') { // comment starts with PV
15520 p = strchr(p, ')'); // locate end of PV
15521 if(p == NULL || sep < p+5) return text;
15522 // at this point we have something like "{(.*) +0.23/6 ..."
15523 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15524 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15525 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15527 time = -1; sec = -1; deci = -1;
15528 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15529 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15530 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15531 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15535 if( score_lo < 0 || score_lo >= 100 ) {
15539 if(sec >= 0) time = 600*time + 10*sec; else
15540 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15542 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15544 /* [HGM] PV time: now locate end of PV info */
15545 while( *++sep >= '0' && *sep <= '9'); // strip depth
15547 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15549 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15551 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15552 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15563 pvInfoList[index-1].depth = depth;
15564 pvInfoList[index-1].score = score;
15565 pvInfoList[index-1].time = 10*time; // centi-sec
15566 if(*sep == '}') *sep = 0; else *--sep = '{';
15567 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15573 SendToProgram (char *message, ChessProgramState *cps)
15575 int count, outCount, error;
15578 if (cps->pr == NoProc) return;
15581 if (appData.debugMode) {
15584 fprintf(debugFP, "%ld >%-6s: %s",
15585 SubtractTimeMarks(&now, &programStartTime),
15586 cps->which, message);
15588 fprintf(serverFP, "%ld >%-6s: %s",
15589 SubtractTimeMarks(&now, &programStartTime),
15590 cps->which, message), fflush(serverFP);
15593 count = strlen(message);
15594 outCount = OutputToProcess(cps->pr, message, count, &error);
15595 if (outCount < count && !exiting
15596 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15597 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15598 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15599 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15600 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15601 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15602 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15603 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15605 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15606 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15607 gameInfo.result = res;
15609 gameInfo.resultDetails = StrSave(buf);
15611 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15612 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15617 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15621 ChessProgramState *cps = (ChessProgramState *)closure;
15623 if (isr != cps->isr) return; /* Killed intentionally */
15626 RemoveInputSource(cps->isr);
15627 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15628 _(cps->which), cps->program);
15629 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15630 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15631 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15632 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15633 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15634 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15636 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15637 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15638 gameInfo.result = res;
15640 gameInfo.resultDetails = StrSave(buf);
15642 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15643 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15645 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15646 _(cps->which), cps->program);
15647 RemoveInputSource(cps->isr);
15649 /* [AS] Program is misbehaving badly... kill it */
15650 if( count == -2 ) {
15651 DestroyChildProcess( cps->pr, 9 );
15655 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15660 if ((end_str = strchr(message, '\r')) != NULL)
15661 *end_str = NULLCHAR;
15662 if ((end_str = strchr(message, '\n')) != NULL)
15663 *end_str = NULLCHAR;
15665 if (appData.debugMode) {
15666 TimeMark now; int print = 1;
15667 char *quote = ""; char c; int i;
15669 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15670 char start = message[0];
15671 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15672 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15673 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15674 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15675 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15676 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15677 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15678 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15679 sscanf(message, "hint: %c", &c)!=1 &&
15680 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15681 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15682 print = (appData.engineComments >= 2);
15684 message[0] = start; // restore original message
15688 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15689 SubtractTimeMarks(&now, &programStartTime), cps->which,
15693 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15694 SubtractTimeMarks(&now, &programStartTime), cps->which,
15696 message), fflush(serverFP);
15700 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15701 if (appData.icsEngineAnalyze) {
15702 if (strstr(message, "whisper") != NULL ||
15703 strstr(message, "kibitz") != NULL ||
15704 strstr(message, "tellics") != NULL) return;
15707 HandleMachineMove(message, cps);
15712 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15717 if( timeControl_2 > 0 ) {
15718 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15719 tc = timeControl_2;
15722 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15723 inc /= cps->timeOdds;
15724 st /= cps->timeOdds;
15726 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15729 /* Set exact time per move, normally using st command */
15730 if (cps->stKludge) {
15731 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15733 if (seconds == 0) {
15734 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15736 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15739 snprintf(buf, MSG_SIZ, "st %d\n", st);
15742 /* Set conventional or incremental time control, using level command */
15743 if (seconds == 0) {
15744 /* Note old gnuchess bug -- minutes:seconds used to not work.
15745 Fixed in later versions, but still avoid :seconds
15746 when seconds is 0. */
15747 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15749 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15750 seconds, inc/1000.);
15753 SendToProgram(buf, cps);
15755 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15756 /* Orthogonally, limit search to given depth */
15758 if (cps->sdKludge) {
15759 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15761 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15763 SendToProgram(buf, cps);
15766 if(cps->nps >= 0) { /* [HGM] nps */
15767 if(cps->supportsNPS == FALSE)
15768 cps->nps = -1; // don't use if engine explicitly says not supported!
15770 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15771 SendToProgram(buf, cps);
15776 ChessProgramState *
15778 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15780 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15781 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15787 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15789 char message[MSG_SIZ];
15792 /* Note: this routine must be called when the clocks are stopped
15793 or when they have *just* been set or switched; otherwise
15794 it will be off by the time since the current tick started.
15796 if (machineWhite) {
15797 time = whiteTimeRemaining / 10;
15798 otime = blackTimeRemaining / 10;
15800 time = blackTimeRemaining / 10;
15801 otime = whiteTimeRemaining / 10;
15803 /* [HGM] translate opponent's time by time-odds factor */
15804 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15806 if (time <= 0) time = 1;
15807 if (otime <= 0) otime = 1;
15809 snprintf(message, MSG_SIZ, "time %ld\n", time);
15810 SendToProgram(message, cps);
15812 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15813 SendToProgram(message, cps);
15817 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15820 int len = strlen(name);
15823 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15825 sscanf(*p, "%d", &val);
15827 while (**p && **p != ' ')
15829 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15830 SendToProgram(buf, cps);
15837 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15840 int len = strlen(name);
15841 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15843 sscanf(*p, "%d", loc);
15844 while (**p && **p != ' ') (*p)++;
15845 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15846 SendToProgram(buf, cps);
15853 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15856 int len = strlen(name);
15857 if (strncmp((*p), name, len) == 0
15858 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15860 sscanf(*p, "%[^\"]", loc);
15861 while (**p && **p != '\"') (*p)++;
15862 if (**p == '\"') (*p)++;
15863 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15864 SendToProgram(buf, cps);
15871 ParseOption (Option *opt, ChessProgramState *cps)
15872 // [HGM] options: process the string that defines an engine option, and determine
15873 // name, type, default value, and allowed value range
15875 char *p, *q, buf[MSG_SIZ];
15876 int n, min = (-1)<<31, max = 1<<31, def;
15878 if(p = strstr(opt->name, " -spin ")) {
15879 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15880 if(max < min) max = min; // enforce consistency
15881 if(def < min) def = min;
15882 if(def > max) def = max;
15887 } else if((p = strstr(opt->name, " -slider "))) {
15888 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15889 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15890 if(max < min) max = min; // enforce consistency
15891 if(def < min) def = min;
15892 if(def > max) def = max;
15896 opt->type = Spin; // Slider;
15897 } else if((p = strstr(opt->name, " -string "))) {
15898 opt->textValue = p+9;
15899 opt->type = TextBox;
15900 } else if((p = strstr(opt->name, " -file "))) {
15901 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15902 opt->textValue = p+7;
15903 opt->type = FileName; // FileName;
15904 } else if((p = strstr(opt->name, " -path "))) {
15905 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15906 opt->textValue = p+7;
15907 opt->type = PathName; // PathName;
15908 } else if(p = strstr(opt->name, " -check ")) {
15909 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15910 opt->value = (def != 0);
15911 opt->type = CheckBox;
15912 } else if(p = strstr(opt->name, " -combo ")) {
15913 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15914 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15915 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15916 opt->value = n = 0;
15917 while(q = StrStr(q, " /// ")) {
15918 n++; *q = 0; // count choices, and null-terminate each of them
15920 if(*q == '*') { // remember default, which is marked with * prefix
15924 cps->comboList[cps->comboCnt++] = q;
15926 cps->comboList[cps->comboCnt++] = NULL;
15928 opt->type = ComboBox;
15929 } else if(p = strstr(opt->name, " -button")) {
15930 opt->type = Button;
15931 } else if(p = strstr(opt->name, " -save")) {
15932 opt->type = SaveButton;
15933 } else return FALSE;
15934 *p = 0; // terminate option name
15935 // now look if the command-line options define a setting for this engine option.
15936 if(cps->optionSettings && cps->optionSettings[0])
15937 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15938 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15939 snprintf(buf, MSG_SIZ, "option %s", p);
15940 if(p = strstr(buf, ",")) *p = 0;
15941 if(q = strchr(buf, '=')) switch(opt->type) {
15943 for(n=0; n<opt->max; n++)
15944 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15947 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15951 opt->value = atoi(q+1);
15956 SendToProgram(buf, cps);
15962 FeatureDone (ChessProgramState *cps, int val)
15964 DelayedEventCallback cb = GetDelayedEvent();
15965 if ((cb == InitBackEnd3 && cps == &first) ||
15966 (cb == SettingsMenuIfReady && cps == &second) ||
15967 (cb == LoadEngine) ||
15968 (cb == TwoMachinesEventIfReady)) {
15969 CancelDelayedEvent();
15970 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15972 cps->initDone = val;
15975 /* Parse feature command from engine */
15977 ParseFeatures (char *args, ChessProgramState *cps)
15985 while (*p == ' ') p++;
15986 if (*p == NULLCHAR) return;
15988 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15989 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15990 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15991 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15992 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15993 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15994 if (BoolFeature(&p, "reuse", &val, cps)) {
15995 /* Engine can disable reuse, but can't enable it if user said no */
15996 if (!val) cps->reuse = FALSE;
15999 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16000 if (StringFeature(&p, "myname", cps->tidy, cps)) {
16001 if (gameMode == TwoMachinesPlay) {
16002 DisplayTwoMachinesTitle();
16008 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
16009 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16010 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16011 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16012 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16013 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16014 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16015 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16016 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16017 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16018 if (IntFeature(&p, "done", &val, cps)) {
16019 FeatureDone(cps, val);
16022 /* Added by Tord: */
16023 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16024 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16025 /* End of additions by Tord */
16027 /* [HGM] added features: */
16028 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16029 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16030 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16031 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16032 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16033 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
16034 if (StringFeature(&p, "option", buf, cps)) {
16035 FREE(cps->option[cps->nrOptions].name);
16036 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
16037 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
16038 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16039 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16040 SendToProgram(buf, cps);
16043 if(cps->nrOptions >= MAX_OPTIONS) {
16045 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16046 DisplayError(buf, 0);
16050 /* End of additions by HGM */
16052 /* unknown feature: complain and skip */
16054 while (*q && *q != '=') q++;
16055 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16056 SendToProgram(buf, cps);
16062 while (*p && *p != '\"') p++;
16063 if (*p == '\"') p++;
16065 while (*p && *p != ' ') p++;
16073 PeriodicUpdatesEvent (int newState)
16075 if (newState == appData.periodicUpdates)
16078 appData.periodicUpdates=newState;
16080 /* Display type changes, so update it now */
16081 // DisplayAnalysis();
16083 /* Get the ball rolling again... */
16085 AnalysisPeriodicEvent(1);
16086 StartAnalysisClock();
16091 PonderNextMoveEvent (int newState)
16093 if (newState == appData.ponderNextMove) return;
16094 if (gameMode == EditPosition) EditPositionDone(TRUE);
16096 SendToProgram("hard\n", &first);
16097 if (gameMode == TwoMachinesPlay) {
16098 SendToProgram("hard\n", &second);
16101 SendToProgram("easy\n", &first);
16102 thinkOutput[0] = NULLCHAR;
16103 if (gameMode == TwoMachinesPlay) {
16104 SendToProgram("easy\n", &second);
16107 appData.ponderNextMove = newState;
16111 NewSettingEvent (int option, int *feature, char *command, int value)
16115 if (gameMode == EditPosition) EditPositionDone(TRUE);
16116 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16117 if(feature == NULL || *feature) SendToProgram(buf, &first);
16118 if (gameMode == TwoMachinesPlay) {
16119 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16124 ShowThinkingEvent ()
16125 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16127 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16128 int newState = appData.showThinking
16129 // [HGM] thinking: other features now need thinking output as well
16130 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16132 if (oldState == newState) return;
16133 oldState = newState;
16134 if (gameMode == EditPosition) EditPositionDone(TRUE);
16136 SendToProgram("post\n", &first);
16137 if (gameMode == TwoMachinesPlay) {
16138 SendToProgram("post\n", &second);
16141 SendToProgram("nopost\n", &first);
16142 thinkOutput[0] = NULLCHAR;
16143 if (gameMode == TwoMachinesPlay) {
16144 SendToProgram("nopost\n", &second);
16147 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16151 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16153 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16154 if (pr == NoProc) return;
16155 AskQuestion(title, question, replyPrefix, pr);
16159 TypeInEvent (char firstChar)
16161 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16162 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16163 gameMode == AnalyzeMode || gameMode == EditGame ||
16164 gameMode == EditPosition || gameMode == IcsExamining ||
16165 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16166 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16167 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16168 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16169 gameMode == Training) PopUpMoveDialog(firstChar);
16173 TypeInDoneEvent (char *move)
16176 int n, fromX, fromY, toX, toY;
16178 ChessMove moveType;
16181 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16182 EditPositionPasteFEN(move);
16185 // [HGM] movenum: allow move number to be typed in any mode
16186 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16190 // undocumented kludge: allow command-line option to be typed in!
16191 // (potentially fatal, and does not implement the effect of the option.)
16192 // should only be used for options that are values on which future decisions will be made,
16193 // and definitely not on options that would be used during initialization.
16194 if(strstr(move, "!!! -") == move) {
16195 ParseArgsFromString(move+4);
16199 if (gameMode != EditGame && currentMove != forwardMostMove &&
16200 gameMode != Training) {
16201 DisplayMoveError(_("Displayed move is not current"));
16203 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16204 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16205 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16206 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16207 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16208 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16210 DisplayMoveError(_("Could not parse move"));
16216 DisplayMove (int moveNumber)
16218 char message[MSG_SIZ];
16220 char cpThinkOutput[MSG_SIZ];
16222 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16224 if (moveNumber == forwardMostMove - 1 ||
16225 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16227 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16229 if (strchr(cpThinkOutput, '\n')) {
16230 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16233 *cpThinkOutput = NULLCHAR;
16236 /* [AS] Hide thinking from human user */
16237 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16238 *cpThinkOutput = NULLCHAR;
16239 if( thinkOutput[0] != NULLCHAR ) {
16242 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16243 cpThinkOutput[i] = '.';
16245 cpThinkOutput[i] = NULLCHAR;
16246 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16250 if (moveNumber == forwardMostMove - 1 &&
16251 gameInfo.resultDetails != NULL) {
16252 if (gameInfo.resultDetails[0] == NULLCHAR) {
16253 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16255 snprintf(res, MSG_SIZ, " {%s} %s",
16256 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16262 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16263 DisplayMessage(res, cpThinkOutput);
16265 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16266 WhiteOnMove(moveNumber) ? " " : ".. ",
16267 parseList[moveNumber], res);
16268 DisplayMessage(message, cpThinkOutput);
16273 DisplayComment (int moveNumber, char *text)
16275 char title[MSG_SIZ];
16277 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16278 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16280 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16281 WhiteOnMove(moveNumber) ? " " : ".. ",
16282 parseList[moveNumber]);
16284 if (text != NULL && (appData.autoDisplayComment || commentUp))
16285 CommentPopUp(title, text);
16288 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16289 * might be busy thinking or pondering. It can be omitted if your
16290 * gnuchess is configured to stop thinking immediately on any user
16291 * input. However, that gnuchess feature depends on the FIONREAD
16292 * ioctl, which does not work properly on some flavors of Unix.
16295 Attention (ChessProgramState *cps)
16298 if (!cps->useSigint) return;
16299 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16300 switch (gameMode) {
16301 case MachinePlaysWhite:
16302 case MachinePlaysBlack:
16303 case TwoMachinesPlay:
16304 case IcsPlayingWhite:
16305 case IcsPlayingBlack:
16308 /* Skip if we know it isn't thinking */
16309 if (!cps->maybeThinking) return;
16310 if (appData.debugMode)
16311 fprintf(debugFP, "Interrupting %s\n", cps->which);
16312 InterruptChildProcess(cps->pr);
16313 cps->maybeThinking = FALSE;
16318 #endif /*ATTENTION*/
16324 if (whiteTimeRemaining <= 0) {
16327 if (appData.icsActive) {
16328 if (appData.autoCallFlag &&
16329 gameMode == IcsPlayingBlack && !blackFlag) {
16330 SendToICS(ics_prefix);
16331 SendToICS("flag\n");
16335 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16337 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16338 if (appData.autoCallFlag) {
16339 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16346 if (blackTimeRemaining <= 0) {
16349 if (appData.icsActive) {
16350 if (appData.autoCallFlag &&
16351 gameMode == IcsPlayingWhite && !whiteFlag) {
16352 SendToICS(ics_prefix);
16353 SendToICS("flag\n");
16357 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16359 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16360 if (appData.autoCallFlag) {
16361 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16372 CheckTimeControl ()
16374 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16375 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16378 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16380 if ( !WhiteOnMove(forwardMostMove) ) {
16381 /* White made time control */
16382 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16383 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16384 /* [HGM] time odds: correct new time quota for time odds! */
16385 / WhitePlayer()->timeOdds;
16386 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16388 lastBlack -= blackTimeRemaining;
16389 /* Black made time control */
16390 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16391 / WhitePlayer()->other->timeOdds;
16392 lastWhite = whiteTimeRemaining;
16397 DisplayBothClocks ()
16399 int wom = gameMode == EditPosition ?
16400 !blackPlaysFirst : WhiteOnMove(currentMove);
16401 DisplayWhiteClock(whiteTimeRemaining, wom);
16402 DisplayBlackClock(blackTimeRemaining, !wom);
16406 /* Timekeeping seems to be a portability nightmare. I think everyone
16407 has ftime(), but I'm really not sure, so I'm including some ifdefs
16408 to use other calls if you don't. Clocks will be less accurate if
16409 you have neither ftime nor gettimeofday.
16412 /* VS 2008 requires the #include outside of the function */
16413 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16414 #include <sys/timeb.h>
16417 /* Get the current time as a TimeMark */
16419 GetTimeMark (TimeMark *tm)
16421 #if HAVE_GETTIMEOFDAY
16423 struct timeval timeVal;
16424 struct timezone timeZone;
16426 gettimeofday(&timeVal, &timeZone);
16427 tm->sec = (long) timeVal.tv_sec;
16428 tm->ms = (int) (timeVal.tv_usec / 1000L);
16430 #else /*!HAVE_GETTIMEOFDAY*/
16433 // include <sys/timeb.h> / moved to just above start of function
16434 struct timeb timeB;
16437 tm->sec = (long) timeB.time;
16438 tm->ms = (int) timeB.millitm;
16440 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16441 tm->sec = (long) time(NULL);
16447 /* Return the difference in milliseconds between two
16448 time marks. We assume the difference will fit in a long!
16451 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16453 return 1000L*(tm2->sec - tm1->sec) +
16454 (long) (tm2->ms - tm1->ms);
16459 * Code to manage the game clocks.
16461 * In tournament play, black starts the clock and then white makes a move.
16462 * We give the human user a slight advantage if he is playing white---the
16463 * clocks don't run until he makes his first move, so it takes zero time.
16464 * Also, we don't account for network lag, so we could get out of sync
16465 * with GNU Chess's clock -- but then, referees are always right.
16468 static TimeMark tickStartTM;
16469 static long intendedTickLength;
16472 NextTickLength (long timeRemaining)
16474 long nominalTickLength, nextTickLength;
16476 if (timeRemaining > 0L && timeRemaining <= 10000L)
16477 nominalTickLength = 100L;
16479 nominalTickLength = 1000L;
16480 nextTickLength = timeRemaining % nominalTickLength;
16481 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16483 return nextTickLength;
16486 /* Adjust clock one minute up or down */
16488 AdjustClock (Boolean which, int dir)
16490 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16491 if(which) blackTimeRemaining += 60000*dir;
16492 else whiteTimeRemaining += 60000*dir;
16493 DisplayBothClocks();
16494 adjustedClock = TRUE;
16497 /* Stop clocks and reset to a fresh time control */
16501 (void) StopClockTimer();
16502 if (appData.icsActive) {
16503 whiteTimeRemaining = blackTimeRemaining = 0;
16504 } else if (searchTime) {
16505 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16506 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16507 } else { /* [HGM] correct new time quote for time odds */
16508 whiteTC = blackTC = fullTimeControlString;
16509 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16510 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16512 if (whiteFlag || blackFlag) {
16514 whiteFlag = blackFlag = FALSE;
16516 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16517 DisplayBothClocks();
16518 adjustedClock = FALSE;
16521 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16523 /* Decrement running clock by amount of time that has passed */
16527 long timeRemaining;
16528 long lastTickLength, fudge;
16531 if (!appData.clockMode) return;
16532 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16536 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16538 /* Fudge if we woke up a little too soon */
16539 fudge = intendedTickLength - lastTickLength;
16540 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16542 if (WhiteOnMove(forwardMostMove)) {
16543 if(whiteNPS >= 0) lastTickLength = 0;
16544 timeRemaining = whiteTimeRemaining -= lastTickLength;
16545 if(timeRemaining < 0 && !appData.icsActive) {
16546 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16547 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16548 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16549 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16552 DisplayWhiteClock(whiteTimeRemaining - fudge,
16553 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16555 if(blackNPS >= 0) lastTickLength = 0;
16556 timeRemaining = blackTimeRemaining -= lastTickLength;
16557 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16558 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16560 blackStartMove = forwardMostMove;
16561 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16564 DisplayBlackClock(blackTimeRemaining - fudge,
16565 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16567 if (CheckFlags()) return;
16569 if(twoBoards) { // count down secondary board's clocks as well
16570 activePartnerTime -= lastTickLength;
16572 if(activePartner == 'W')
16573 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16575 DisplayBlackClock(activePartnerTime, TRUE);
16580 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16581 StartClockTimer(intendedTickLength);
16583 /* if the time remaining has fallen below the alarm threshold, sound the
16584 * alarm. if the alarm has sounded and (due to a takeback or time control
16585 * with increment) the time remaining has increased to a level above the
16586 * threshold, reset the alarm so it can sound again.
16589 if (appData.icsActive && appData.icsAlarm) {
16591 /* make sure we are dealing with the user's clock */
16592 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16593 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16596 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16597 alarmSounded = FALSE;
16598 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16600 alarmSounded = TRUE;
16606 /* A player has just moved, so stop the previously running
16607 clock and (if in clock mode) start the other one.
16608 We redisplay both clocks in case we're in ICS mode, because
16609 ICS gives us an update to both clocks after every move.
16610 Note that this routine is called *after* forwardMostMove
16611 is updated, so the last fractional tick must be subtracted
16612 from the color that is *not* on move now.
16615 SwitchClocks (int newMoveNr)
16617 long lastTickLength;
16619 int flagged = FALSE;
16623 if (StopClockTimer() && appData.clockMode) {
16624 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16625 if (!WhiteOnMove(forwardMostMove)) {
16626 if(blackNPS >= 0) lastTickLength = 0;
16627 blackTimeRemaining -= lastTickLength;
16628 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16629 // if(pvInfoList[forwardMostMove].time == -1)
16630 pvInfoList[forwardMostMove].time = // use GUI time
16631 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16633 if(whiteNPS >= 0) lastTickLength = 0;
16634 whiteTimeRemaining -= lastTickLength;
16635 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16636 // if(pvInfoList[forwardMostMove].time == -1)
16637 pvInfoList[forwardMostMove].time =
16638 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16640 flagged = CheckFlags();
16642 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16643 CheckTimeControl();
16645 if (flagged || !appData.clockMode) return;
16647 switch (gameMode) {
16648 case MachinePlaysBlack:
16649 case MachinePlaysWhite:
16650 case BeginningOfGame:
16651 if (pausing) return;
16655 case PlayFromGameFile:
16663 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16664 if(WhiteOnMove(forwardMostMove))
16665 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16666 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16670 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16671 whiteTimeRemaining : blackTimeRemaining);
16672 StartClockTimer(intendedTickLength);
16676 /* Stop both clocks */
16680 long lastTickLength;
16683 if (!StopClockTimer()) return;
16684 if (!appData.clockMode) return;
16688 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16689 if (WhiteOnMove(forwardMostMove)) {
16690 if(whiteNPS >= 0) lastTickLength = 0;
16691 whiteTimeRemaining -= lastTickLength;
16692 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16694 if(blackNPS >= 0) lastTickLength = 0;
16695 blackTimeRemaining -= lastTickLength;
16696 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16701 /* Start clock of player on move. Time may have been reset, so
16702 if clock is already running, stop and restart it. */
16706 (void) StopClockTimer(); /* in case it was running already */
16707 DisplayBothClocks();
16708 if (CheckFlags()) return;
16710 if (!appData.clockMode) return;
16711 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16713 GetTimeMark(&tickStartTM);
16714 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16715 whiteTimeRemaining : blackTimeRemaining);
16717 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16718 whiteNPS = blackNPS = -1;
16719 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16720 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16721 whiteNPS = first.nps;
16722 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16723 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16724 blackNPS = first.nps;
16725 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16726 whiteNPS = second.nps;
16727 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16728 blackNPS = second.nps;
16729 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16731 StartClockTimer(intendedTickLength);
16735 TimeString (long ms)
16737 long second, minute, hour, day;
16739 static char buf[32];
16741 if (ms > 0 && ms <= 9900) {
16742 /* convert milliseconds to tenths, rounding up */
16743 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16745 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16749 /* convert milliseconds to seconds, rounding up */
16750 /* use floating point to avoid strangeness of integer division
16751 with negative dividends on many machines */
16752 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16759 day = second / (60 * 60 * 24);
16760 second = second % (60 * 60 * 24);
16761 hour = second / (60 * 60);
16762 second = second % (60 * 60);
16763 minute = second / 60;
16764 second = second % 60;
16767 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16768 sign, day, hour, minute, second);
16770 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16772 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16779 * This is necessary because some C libraries aren't ANSI C compliant yet.
16782 StrStr (char *string, char *match)
16786 length = strlen(match);
16788 for (i = strlen(string) - length; i >= 0; i--, string++)
16789 if (!strncmp(match, string, length))
16796 StrCaseStr (char *string, char *match)
16800 length = strlen(match);
16802 for (i = strlen(string) - length; i >= 0; i--, string++) {
16803 for (j = 0; j < length; j++) {
16804 if (ToLower(match[j]) != ToLower(string[j]))
16807 if (j == length) return string;
16815 StrCaseCmp (char *s1, char *s2)
16820 c1 = ToLower(*s1++);
16821 c2 = ToLower(*s2++);
16822 if (c1 > c2) return 1;
16823 if (c1 < c2) return -1;
16824 if (c1 == NULLCHAR) return 0;
16832 return isupper(c) ? tolower(c) : c;
16839 return islower(c) ? toupper(c) : c;
16841 #endif /* !_amigados */
16848 if ((ret = (char *) malloc(strlen(s) + 1)))
16850 safeStrCpy(ret, s, strlen(s)+1);
16856 StrSavePtr (char *s, char **savePtr)
16861 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16862 safeStrCpy(*savePtr, s, strlen(s)+1);
16874 clock = time((time_t *)NULL);
16875 tm = localtime(&clock);
16876 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16877 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16878 return StrSave(buf);
16883 PositionToFEN (int move, char *overrideCastling)
16885 int i, j, fromX, fromY, toX, toY;
16892 whiteToPlay = (gameMode == EditPosition) ?
16893 !blackPlaysFirst : (move % 2 == 0);
16896 /* Piece placement data */
16897 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16898 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16900 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16901 if (boards[move][i][j] == EmptySquare) {
16903 } else { ChessSquare piece = boards[move][i][j];
16904 if (emptycount > 0) {
16905 if(emptycount<10) /* [HGM] can be >= 10 */
16906 *p++ = '0' + emptycount;
16907 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16910 if(PieceToChar(piece) == '+') {
16911 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16913 piece = (ChessSquare)(DEMOTED piece);
16915 *p++ = PieceToChar(piece);
16917 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16918 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16923 if (emptycount > 0) {
16924 if(emptycount<10) /* [HGM] can be >= 10 */
16925 *p++ = '0' + emptycount;
16926 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16933 /* [HGM] print Crazyhouse or Shogi holdings */
16934 if( gameInfo.holdingsWidth ) {
16935 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16937 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16938 piece = boards[move][i][BOARD_WIDTH-1];
16939 if( piece != EmptySquare )
16940 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16941 *p++ = PieceToChar(piece);
16943 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16944 piece = boards[move][BOARD_HEIGHT-i-1][0];
16945 if( piece != EmptySquare )
16946 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16947 *p++ = PieceToChar(piece);
16950 if( q == p ) *p++ = '-';
16956 *p++ = whiteToPlay ? 'w' : 'b';
16959 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16960 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16962 if(nrCastlingRights) {
16964 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16965 /* [HGM] write directly from rights */
16966 if(boards[move][CASTLING][2] != NoRights &&
16967 boards[move][CASTLING][0] != NoRights )
16968 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16969 if(boards[move][CASTLING][2] != NoRights &&
16970 boards[move][CASTLING][1] != NoRights )
16971 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16972 if(boards[move][CASTLING][5] != NoRights &&
16973 boards[move][CASTLING][3] != NoRights )
16974 *p++ = boards[move][CASTLING][3] + AAA;
16975 if(boards[move][CASTLING][5] != NoRights &&
16976 boards[move][CASTLING][4] != NoRights )
16977 *p++ = boards[move][CASTLING][4] + AAA;
16980 /* [HGM] write true castling rights */
16981 if( nrCastlingRights == 6 ) {
16983 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16984 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
16985 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
16986 boards[move][CASTLING][2] != NoRights );
16987 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
16988 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
16989 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16990 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
16991 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
16995 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16996 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
16997 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
16998 boards[move][CASTLING][5] != NoRights );
16999 if(gameInfo.variant == VariantSChess) {
17000 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17001 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17002 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17003 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17008 if (q == p) *p++ = '-'; /* No castling rights */
17012 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17013 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17014 /* En passant target square */
17015 if (move > backwardMostMove) {
17016 fromX = moveList[move - 1][0] - AAA;
17017 fromY = moveList[move - 1][1] - ONE;
17018 toX = moveList[move - 1][2] - AAA;
17019 toY = moveList[move - 1][3] - ONE;
17020 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17021 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17022 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17024 /* 2-square pawn move just happened */
17026 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17030 } else if(move == backwardMostMove) {
17031 // [HGM] perhaps we should always do it like this, and forget the above?
17032 if((signed char)boards[move][EP_STATUS] >= 0) {
17033 *p++ = boards[move][EP_STATUS] + AAA;
17034 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17045 /* [HGM] find reversible plies */
17046 { int i = 0, j=move;
17048 if (appData.debugMode) { int k;
17049 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17050 for(k=backwardMostMove; k<=forwardMostMove; k++)
17051 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17055 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17056 if( j == backwardMostMove ) i += initialRulePlies;
17057 sprintf(p, "%d ", i);
17058 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17060 /* Fullmove number */
17061 sprintf(p, "%d", (move / 2) + 1);
17063 return StrSave(buf);
17067 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17071 int emptycount, virgin[BOARD_FILES];
17076 /* [HGM] by default clear Crazyhouse holdings, if present */
17077 if(gameInfo.holdingsWidth) {
17078 for(i=0; i<BOARD_HEIGHT; i++) {
17079 board[i][0] = EmptySquare; /* black holdings */
17080 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17081 board[i][1] = (ChessSquare) 0; /* black counts */
17082 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17086 /* Piece placement data */
17087 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17090 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17091 if (*p == '/') p++;
17092 emptycount = gameInfo.boardWidth - j;
17093 while (emptycount--)
17094 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17096 #if(BOARD_FILES >= 10)
17097 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17098 p++; emptycount=10;
17099 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17100 while (emptycount--)
17101 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17103 } else if (isdigit(*p)) {
17104 emptycount = *p++ - '0';
17105 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17106 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17107 while (emptycount--)
17108 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17109 } else if (*p == '+' || isalpha(*p)) {
17110 if (j >= gameInfo.boardWidth) return FALSE;
17112 piece = CharToPiece(*++p);
17113 if(piece == EmptySquare) return FALSE; /* unknown piece */
17114 piece = (ChessSquare) (PROMOTED piece ); p++;
17115 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17116 } else piece = CharToPiece(*p++);
17118 if(piece==EmptySquare) return FALSE; /* unknown piece */
17119 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17120 piece = (ChessSquare) (PROMOTED piece);
17121 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17124 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17130 while (*p == '/' || *p == ' ') p++;
17132 /* [HGM] look for Crazyhouse holdings here */
17133 while(*p==' ') p++;
17134 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17136 if(*p == '-' ) p++; /* empty holdings */ else {
17137 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17138 /* if we would allow FEN reading to set board size, we would */
17139 /* have to add holdings and shift the board read so far here */
17140 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17142 if((int) piece >= (int) BlackPawn ) {
17143 i = (int)piece - (int)BlackPawn;
17144 i = PieceToNumber((ChessSquare)i);
17145 if( i >= gameInfo.holdingsSize ) return FALSE;
17146 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17147 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17149 i = (int)piece - (int)WhitePawn;
17150 i = PieceToNumber((ChessSquare)i);
17151 if( i >= gameInfo.holdingsSize ) return FALSE;
17152 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17153 board[i][BOARD_WIDTH-2]++; /* black holdings */
17160 while(*p == ' ') p++;
17164 if(appData.colorNickNames) {
17165 if( c == appData.colorNickNames[0] ) c = 'w'; else
17166 if( c == appData.colorNickNames[1] ) c = 'b';
17170 *blackPlaysFirst = FALSE;
17173 *blackPlaysFirst = TRUE;
17179 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17180 /* return the extra info in global variiables */
17182 /* set defaults in case FEN is incomplete */
17183 board[EP_STATUS] = EP_UNKNOWN;
17184 for(i=0; i<nrCastlingRights; i++ ) {
17185 board[CASTLING][i] =
17186 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17187 } /* assume possible unless obviously impossible */
17188 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17189 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17190 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17191 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17192 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17193 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17194 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17195 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17198 while(*p==' ') p++;
17199 if(nrCastlingRights) {
17200 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17201 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17202 /* castling indicator present, so default becomes no castlings */
17203 for(i=0; i<nrCastlingRights; i++ ) {
17204 board[CASTLING][i] = NoRights;
17207 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17208 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17209 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17210 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17211 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17213 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17214 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17215 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17217 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17218 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17219 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17220 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17221 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17222 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17225 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17226 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17227 board[CASTLING][2] = whiteKingFile;
17228 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17229 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17232 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17233 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17234 board[CASTLING][2] = whiteKingFile;
17235 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17236 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17239 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17240 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17241 board[CASTLING][5] = blackKingFile;
17242 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17243 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17246 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17247 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17248 board[CASTLING][5] = blackKingFile;
17249 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17250 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17253 default: /* FRC castlings */
17254 if(c >= 'a') { /* black rights */
17255 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17256 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17257 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17258 if(i == BOARD_RGHT) break;
17259 board[CASTLING][5] = i;
17261 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17262 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17264 board[CASTLING][3] = c;
17266 board[CASTLING][4] = c;
17267 } else { /* white rights */
17268 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17269 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17270 if(board[0][i] == WhiteKing) break;
17271 if(i == BOARD_RGHT) break;
17272 board[CASTLING][2] = i;
17273 c -= AAA - 'a' + 'A';
17274 if(board[0][c] >= WhiteKing) break;
17276 board[CASTLING][0] = c;
17278 board[CASTLING][1] = c;
17282 for(i=0; i<nrCastlingRights; i++)
17283 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17284 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17285 if (appData.debugMode) {
17286 fprintf(debugFP, "FEN castling rights:");
17287 for(i=0; i<nrCastlingRights; i++)
17288 fprintf(debugFP, " %d", board[CASTLING][i]);
17289 fprintf(debugFP, "\n");
17292 while(*p==' ') p++;
17295 /* read e.p. field in games that know e.p. capture */
17296 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17297 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17299 p++; board[EP_STATUS] = EP_NONE;
17301 char c = *p++ - AAA;
17303 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17304 if(*p >= '0' && *p <='9') p++;
17305 board[EP_STATUS] = c;
17310 if(sscanf(p, "%d", &i) == 1) {
17311 FENrulePlies = i; /* 50-move ply counter */
17312 /* (The move number is still ignored) */
17319 EditPositionPasteFEN (char *fen)
17322 Board initial_position;
17324 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17325 DisplayError(_("Bad FEN position in clipboard"), 0);
17328 int savedBlackPlaysFirst = blackPlaysFirst;
17329 EditPositionEvent();
17330 blackPlaysFirst = savedBlackPlaysFirst;
17331 CopyBoard(boards[0], initial_position);
17332 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17333 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17334 DisplayBothClocks();
17335 DrawPosition(FALSE, boards[currentMove]);
17340 static char cseq[12] = "\\ ";
17343 set_cont_sequence (char *new_seq)
17348 // handle bad attempts to set the sequence
17350 return 0; // acceptable error - no debug
17352 len = strlen(new_seq);
17353 ret = (len > 0) && (len < sizeof(cseq));
17355 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17356 else if (appData.debugMode)
17357 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17362 reformat a source message so words don't cross the width boundary. internal
17363 newlines are not removed. returns the wrapped size (no null character unless
17364 included in source message). If dest is NULL, only calculate the size required
17365 for the dest buffer. lp argument indicats line position upon entry, and it's
17366 passed back upon exit.
17369 wrap (char *dest, char *src, int count, int width, int *lp)
17371 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17373 cseq_len = strlen(cseq);
17374 old_line = line = *lp;
17375 ansi = len = clen = 0;
17377 for (i=0; i < count; i++)
17379 if (src[i] == '\033')
17382 // if we hit the width, back up
17383 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17385 // store i & len in case the word is too long
17386 old_i = i, old_len = len;
17388 // find the end of the last word
17389 while (i && src[i] != ' ' && src[i] != '\n')
17395 // word too long? restore i & len before splitting it
17396 if ((old_i-i+clen) >= width)
17403 if (i && src[i-1] == ' ')
17406 if (src[i] != ' ' && src[i] != '\n')
17413 // now append the newline and continuation sequence
17418 strncpy(dest+len, cseq, cseq_len);
17426 dest[len] = src[i];
17430 if (src[i] == '\n')
17435 if (dest && appData.debugMode)
17437 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17438 count, width, line, len, *lp);
17439 show_bytes(debugFP, src, count);
17440 fprintf(debugFP, "\ndest: ");
17441 show_bytes(debugFP, dest, len);
17442 fprintf(debugFP, "\n");
17444 *lp = dest ? line : old_line;
17449 // [HGM] vari: routines for shelving variations
17450 Boolean modeRestore = FALSE;
17453 PushInner (int firstMove, int lastMove)
17455 int i, j, nrMoves = lastMove - firstMove;
17457 // push current tail of game on stack
17458 savedResult[storedGames] = gameInfo.result;
17459 savedDetails[storedGames] = gameInfo.resultDetails;
17460 gameInfo.resultDetails = NULL;
17461 savedFirst[storedGames] = firstMove;
17462 savedLast [storedGames] = lastMove;
17463 savedFramePtr[storedGames] = framePtr;
17464 framePtr -= nrMoves; // reserve space for the boards
17465 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17466 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17467 for(j=0; j<MOVE_LEN; j++)
17468 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17469 for(j=0; j<2*MOVE_LEN; j++)
17470 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17471 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17472 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17473 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17474 pvInfoList[firstMove+i-1].depth = 0;
17475 commentList[framePtr+i] = commentList[firstMove+i];
17476 commentList[firstMove+i] = NULL;
17480 forwardMostMove = firstMove; // truncate game so we can start variation
17484 PushTail (int firstMove, int lastMove)
17486 if(appData.icsActive) { // only in local mode
17487 forwardMostMove = currentMove; // mimic old ICS behavior
17490 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17492 PushInner(firstMove, lastMove);
17493 if(storedGames == 1) GreyRevert(FALSE);
17494 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17498 PopInner (Boolean annotate)
17501 char buf[8000], moveBuf[20];
17503 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17504 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17505 nrMoves = savedLast[storedGames] - currentMove;
17508 if(!WhiteOnMove(currentMove))
17509 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17510 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17511 for(i=currentMove; i<forwardMostMove; i++) {
17513 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17514 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17515 strcat(buf, moveBuf);
17516 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17517 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17521 for(i=1; i<=nrMoves; i++) { // copy last variation back
17522 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17523 for(j=0; j<MOVE_LEN; j++)
17524 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17525 for(j=0; j<2*MOVE_LEN; j++)
17526 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17527 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17528 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17529 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17530 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17531 commentList[currentMove+i] = commentList[framePtr+i];
17532 commentList[framePtr+i] = NULL;
17534 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17535 framePtr = savedFramePtr[storedGames];
17536 gameInfo.result = savedResult[storedGames];
17537 if(gameInfo.resultDetails != NULL) {
17538 free(gameInfo.resultDetails);
17540 gameInfo.resultDetails = savedDetails[storedGames];
17541 forwardMostMove = currentMove + nrMoves;
17545 PopTail (Boolean annotate)
17547 if(appData.icsActive) return FALSE; // only in local mode
17548 if(!storedGames) return FALSE; // sanity
17549 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17551 PopInner(annotate);
17552 if(currentMove < forwardMostMove) ForwardEvent(); else
17553 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17555 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17561 { // remove all shelved variations
17563 for(i=0; i<storedGames; i++) {
17564 if(savedDetails[i])
17565 free(savedDetails[i]);
17566 savedDetails[i] = NULL;
17568 for(i=framePtr; i<MAX_MOVES; i++) {
17569 if(commentList[i]) free(commentList[i]);
17570 commentList[i] = NULL;
17572 framePtr = MAX_MOVES-1;
17577 LoadVariation (int index, char *text)
17578 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17579 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17580 int level = 0, move;
17582 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17583 // first find outermost bracketing variation
17584 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17585 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17586 if(*p == '{') wait = '}'; else
17587 if(*p == '[') wait = ']'; else
17588 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17589 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17591 if(*p == wait) wait = NULLCHAR; // closing ]} found
17594 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17595 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17596 end[1] = NULLCHAR; // clip off comment beyond variation
17597 ToNrEvent(currentMove-1);
17598 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17599 // kludge: use ParsePV() to append variation to game
17600 move = currentMove;
17601 ParsePV(start, TRUE, TRUE);
17602 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17603 ClearPremoveHighlights();
17605 ToNrEvent(currentMove+1);
17611 char *p, *q, buf[MSG_SIZ];
17612 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17613 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17614 ParseArgsFromString(buf);
17615 ActivateTheme(TRUE); // also redo colors
17619 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17622 q = appData.themeNames;
17623 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17624 if(appData.useBitmaps) {
17625 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17626 appData.liteBackTextureFile, appData.darkBackTextureFile,
17627 appData.liteBackTextureMode,
17628 appData.darkBackTextureMode );
17630 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17631 Col2Text(2), // lightSquareColor
17632 Col2Text(3) ); // darkSquareColor
17634 if(appData.useBorder) {
17635 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17638 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17640 if(appData.useFont) {
17641 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17642 appData.renderPiecesWithFont,
17643 appData.fontToPieceTable,
17644 Col2Text(9), // appData.fontBackColorWhite
17645 Col2Text(10) ); // appData.fontForeColorBlack
17647 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17648 appData.pieceDirectory);
17649 if(!appData.pieceDirectory[0])
17650 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17651 Col2Text(0), // whitePieceColor
17652 Col2Text(1) ); // blackPieceColor
17654 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17655 Col2Text(4), // highlightSquareColor
17656 Col2Text(5) ); // premoveHighlightColor
17657 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17658 if(insert != q) insert[-1] = NULLCHAR;
17659 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17662 ActivateTheme(FALSE);