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 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5419 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5422 endPV = forwardMostMove;
5424 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5425 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5426 lastParseAttempt = pv;
5427 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5428 if(!valid && nr == 0 &&
5429 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5430 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5431 // Hande case where played move is different from leading PV move
5432 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5433 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5434 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5435 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5436 endPV += 2; // if position different, keep this
5437 moveList[endPV-1][0] = fromX + AAA;
5438 moveList[endPV-1][1] = fromY + ONE;
5439 moveList[endPV-1][2] = toX + AAA;
5440 moveList[endPV-1][3] = toY + ONE;
5441 parseList[endPV-1][0] = NULLCHAR;
5442 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5445 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5446 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5447 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5448 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5449 valid++; // allow comments in PV
5453 if(endPV+1 > framePtr) break; // no space, truncate
5456 CopyBoard(boards[endPV], boards[endPV-1]);
5457 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5458 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5459 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5460 CoordsToAlgebraic(boards[endPV - 1],
5461 PosFlags(endPV - 1),
5462 fromY, fromX, toY, toX, promoChar,
5463 parseList[endPV - 1]);
5465 if(atEnd == 2) return; // used hidden, for PV conversion
5466 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5467 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5468 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5469 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5470 DrawPosition(TRUE, boards[currentMove]);
5474 MultiPV (ChessProgramState *cps)
5475 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5477 for(i=0; i<cps->nrOptions; i++)
5478 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5484 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5486 int startPV, multi, lineStart, origIndex = index;
5487 char *p, buf2[MSG_SIZ];
5488 ChessProgramState *cps = (pane ? &second : &first);
5490 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5491 lastX = x; lastY = y;
5492 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5493 lineStart = startPV = index;
5494 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5495 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5497 do{ while(buf[index] && buf[index] != '\n') index++;
5498 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5500 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5501 int n = cps->option[multi].value;
5502 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5503 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5504 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5505 cps->option[multi].value = n;
5508 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5509 ExcludeClick(origIndex - lineStart);
5512 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5513 *start = startPV; *end = index-1;
5520 static char buf[10*MSG_SIZ];
5521 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5523 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5524 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5525 for(i = forwardMostMove; i<endPV; i++){
5526 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5527 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5530 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5531 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5537 LoadPV (int x, int y)
5538 { // called on right mouse click to load PV
5539 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5540 lastX = x; lastY = y;
5541 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5548 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5549 if(endPV < 0) return;
5550 if(appData.autoCopyPV) CopyFENToClipboard();
5552 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5553 Boolean saveAnimate = appData.animate;
5555 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5556 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5557 } else storedGames--; // abandon shelved tail of original game
5560 forwardMostMove = currentMove;
5561 currentMove = oldFMM;
5562 appData.animate = FALSE;
5563 ToNrEvent(forwardMostMove);
5564 appData.animate = saveAnimate;
5566 currentMove = forwardMostMove;
5567 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5568 ClearPremoveHighlights();
5569 DrawPosition(TRUE, boards[currentMove]);
5573 MovePV (int x, int y, int h)
5574 { // step through PV based on mouse coordinates (called on mouse move)
5575 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5577 // we must somehow check if right button is still down (might be released off board!)
5578 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5579 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5580 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5582 lastX = x; lastY = y;
5584 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5585 if(endPV < 0) return;
5586 if(y < margin) step = 1; else
5587 if(y > h - margin) step = -1;
5588 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5589 currentMove += step;
5590 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5591 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5592 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5593 DrawPosition(FALSE, boards[currentMove]);
5597 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5598 // All positions will have equal probability, but the current method will not provide a unique
5599 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5605 int piecesLeft[(int)BlackPawn];
5606 int seed, nrOfShuffles;
5609 GetPositionNumber ()
5610 { // sets global variable seed
5613 seed = appData.defaultFrcPosition;
5614 if(seed < 0) { // randomize based on time for negative FRC position numbers
5615 for(i=0; i<50; i++) seed += random();
5616 seed = random() ^ random() >> 8 ^ random() << 8;
5617 if(seed<0) seed = -seed;
5622 put (Board board, int pieceType, int rank, int n, int shade)
5623 // put the piece on the (n-1)-th empty squares of the given shade
5627 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5628 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5629 board[rank][i] = (ChessSquare) pieceType;
5630 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5632 piecesLeft[pieceType]--;
5641 AddOnePiece (Board board, int pieceType, int rank, int shade)
5642 // calculate where the next piece goes, (any empty square), and put it there
5646 i = seed % squaresLeft[shade];
5647 nrOfShuffles *= squaresLeft[shade];
5648 seed /= squaresLeft[shade];
5649 put(board, pieceType, rank, i, shade);
5653 AddTwoPieces (Board board, int pieceType, int rank)
5654 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5656 int i, n=squaresLeft[ANY], j=n-1, k;
5658 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5659 i = seed % k; // pick one
5662 while(i >= j) i -= j--;
5663 j = n - 1 - j; i += j;
5664 put(board, pieceType, rank, j, ANY);
5665 put(board, pieceType, rank, i, ANY);
5669 SetUpShuffle (Board board, int number)
5673 GetPositionNumber(); nrOfShuffles = 1;
5675 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5676 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5677 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5679 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5681 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5682 p = (int) board[0][i];
5683 if(p < (int) BlackPawn) piecesLeft[p] ++;
5684 board[0][i] = EmptySquare;
5687 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5688 // shuffles restricted to allow normal castling put KRR first
5689 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5690 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5691 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5692 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5693 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5694 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5695 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5696 put(board, WhiteRook, 0, 0, ANY);
5697 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5700 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5701 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5702 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5703 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5704 while(piecesLeft[p] >= 2) {
5705 AddOnePiece(board, p, 0, LITE);
5706 AddOnePiece(board, p, 0, DARK);
5708 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5711 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5712 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5713 // but we leave King and Rooks for last, to possibly obey FRC restriction
5714 if(p == (int)WhiteRook) continue;
5715 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5716 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5719 // now everything is placed, except perhaps King (Unicorn) and Rooks
5721 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5722 // Last King gets castling rights
5723 while(piecesLeft[(int)WhiteUnicorn]) {
5724 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5725 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5728 while(piecesLeft[(int)WhiteKing]) {
5729 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5730 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5735 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5736 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5739 // Only Rooks can be left; simply place them all
5740 while(piecesLeft[(int)WhiteRook]) {
5741 i = put(board, WhiteRook, 0, 0, ANY);
5742 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5745 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5747 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5750 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5751 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5754 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5758 SetCharTable (char *table, const char * map)
5759 /* [HGM] moved here from winboard.c because of its general usefulness */
5760 /* Basically a safe strcpy that uses the last character as King */
5762 int result = FALSE; int NrPieces;
5764 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5765 && NrPieces >= 12 && !(NrPieces&1)) {
5766 int i; /* [HGM] Accept even length from 12 to 34 */
5768 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5769 for( i=0; i<NrPieces/2-1; i++ ) {
5771 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5773 table[(int) WhiteKing] = map[NrPieces/2-1];
5774 table[(int) BlackKing] = map[NrPieces-1];
5783 Prelude (Board board)
5784 { // [HGM] superchess: random selection of exo-pieces
5785 int i, j, k; ChessSquare p;
5786 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5788 GetPositionNumber(); // use FRC position number
5790 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5791 SetCharTable(pieceToChar, appData.pieceToCharTable);
5792 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5793 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5796 j = seed%4; seed /= 4;
5797 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5798 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5799 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5800 j = seed%3 + (seed%3 >= j); seed /= 3;
5801 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5802 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5803 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5804 j = seed%3; seed /= 3;
5805 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5806 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5807 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5808 j = seed%2 + (seed%2 >= j); seed /= 2;
5809 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5810 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5811 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5812 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5813 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5814 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5815 put(board, exoPieces[0], 0, 0, ANY);
5816 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5820 InitPosition (int redraw)
5822 ChessSquare (* pieces)[BOARD_FILES];
5823 int i, j, pawnRow, overrule,
5824 oldx = gameInfo.boardWidth,
5825 oldy = gameInfo.boardHeight,
5826 oldh = gameInfo.holdingsWidth;
5829 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5831 /* [AS] Initialize pv info list [HGM] and game status */
5833 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5834 pvInfoList[i].depth = 0;
5835 boards[i][EP_STATUS] = EP_NONE;
5836 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5839 initialRulePlies = 0; /* 50-move counter start */
5841 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5842 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5846 /* [HGM] logic here is completely changed. In stead of full positions */
5847 /* the initialized data only consist of the two backranks. The switch */
5848 /* selects which one we will use, which is than copied to the Board */
5849 /* initialPosition, which for the rest is initialized by Pawns and */
5850 /* empty squares. This initial position is then copied to boards[0], */
5851 /* possibly after shuffling, so that it remains available. */
5853 gameInfo.holdingsWidth = 0; /* default board sizes */
5854 gameInfo.boardWidth = 8;
5855 gameInfo.boardHeight = 8;
5856 gameInfo.holdingsSize = 0;
5857 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5858 for(i=0; i<BOARD_FILES-2; i++)
5859 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5860 initialPosition[EP_STATUS] = EP_NONE;
5861 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5862 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5863 SetCharTable(pieceNickName, appData.pieceNickNames);
5864 else SetCharTable(pieceNickName, "............");
5867 switch (gameInfo.variant) {
5868 case VariantFischeRandom:
5869 shuffleOpenings = TRUE;
5872 case VariantShatranj:
5873 pieces = ShatranjArray;
5874 nrCastlingRights = 0;
5875 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5878 pieces = makrukArray;
5879 nrCastlingRights = 0;
5880 startedFromSetupPosition = TRUE;
5881 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5883 case VariantTwoKings:
5884 pieces = twoKingsArray;
5887 pieces = GrandArray;
5888 nrCastlingRights = 0;
5889 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5890 gameInfo.boardWidth = 10;
5891 gameInfo.boardHeight = 10;
5892 gameInfo.holdingsSize = 7;
5894 case VariantCapaRandom:
5895 shuffleOpenings = TRUE;
5896 case VariantCapablanca:
5897 pieces = CapablancaArray;
5898 gameInfo.boardWidth = 10;
5899 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5902 pieces = GothicArray;
5903 gameInfo.boardWidth = 10;
5904 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5907 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5908 gameInfo.holdingsSize = 7;
5909 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5912 pieces = JanusArray;
5913 gameInfo.boardWidth = 10;
5914 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5915 nrCastlingRights = 6;
5916 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5917 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5918 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5919 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5920 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5921 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5924 pieces = FalconArray;
5925 gameInfo.boardWidth = 10;
5926 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5928 case VariantXiangqi:
5929 pieces = XiangqiArray;
5930 gameInfo.boardWidth = 9;
5931 gameInfo.boardHeight = 10;
5932 nrCastlingRights = 0;
5933 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5936 pieces = ShogiArray;
5937 gameInfo.boardWidth = 9;
5938 gameInfo.boardHeight = 9;
5939 gameInfo.holdingsSize = 7;
5940 nrCastlingRights = 0;
5941 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5943 case VariantCourier:
5944 pieces = CourierArray;
5945 gameInfo.boardWidth = 12;
5946 nrCastlingRights = 0;
5947 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5949 case VariantKnightmate:
5950 pieces = KnightmateArray;
5951 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5953 case VariantSpartan:
5954 pieces = SpartanArray;
5955 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5958 pieces = fairyArray;
5959 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5962 pieces = GreatArray;
5963 gameInfo.boardWidth = 10;
5964 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5965 gameInfo.holdingsSize = 8;
5969 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5970 gameInfo.holdingsSize = 8;
5971 startedFromSetupPosition = TRUE;
5973 case VariantCrazyhouse:
5974 case VariantBughouse:
5976 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5977 gameInfo.holdingsSize = 5;
5979 case VariantWildCastle:
5981 /* !!?shuffle with kings guaranteed to be on d or e file */
5982 shuffleOpenings = 1;
5984 case VariantNoCastle:
5986 nrCastlingRights = 0;
5987 /* !!?unconstrained back-rank shuffle */
5988 shuffleOpenings = 1;
5993 if(appData.NrFiles >= 0) {
5994 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5995 gameInfo.boardWidth = appData.NrFiles;
5997 if(appData.NrRanks >= 0) {
5998 gameInfo.boardHeight = appData.NrRanks;
6000 if(appData.holdingsSize >= 0) {
6001 i = appData.holdingsSize;
6002 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6003 gameInfo.holdingsSize = i;
6005 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6006 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6007 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6009 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6010 if(pawnRow < 1) pawnRow = 1;
6011 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
6013 /* User pieceToChar list overrules defaults */
6014 if(appData.pieceToCharTable != NULL)
6015 SetCharTable(pieceToChar, appData.pieceToCharTable);
6017 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6019 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6020 s = (ChessSquare) 0; /* account holding counts in guard band */
6021 for( i=0; i<BOARD_HEIGHT; i++ )
6022 initialPosition[i][j] = s;
6024 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6025 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6026 initialPosition[pawnRow][j] = WhitePawn;
6027 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6028 if(gameInfo.variant == VariantXiangqi) {
6030 initialPosition[pawnRow][j] =
6031 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6032 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6033 initialPosition[2][j] = WhiteCannon;
6034 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6038 if(gameInfo.variant == VariantGrand) {
6039 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6040 initialPosition[0][j] = WhiteRook;
6041 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6044 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6046 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6049 initialPosition[1][j] = WhiteBishop;
6050 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6052 initialPosition[1][j] = WhiteRook;
6053 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6056 if( nrCastlingRights == -1) {
6057 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6058 /* This sets default castling rights from none to normal corners */
6059 /* Variants with other castling rights must set them themselves above */
6060 nrCastlingRights = 6;
6062 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6063 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6064 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6065 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6066 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6067 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6070 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6071 if(gameInfo.variant == VariantGreat) { // promotion commoners
6072 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6073 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6074 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6075 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6077 if( gameInfo.variant == VariantSChess ) {
6078 initialPosition[1][0] = BlackMarshall;
6079 initialPosition[2][0] = BlackAngel;
6080 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6081 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6082 initialPosition[1][1] = initialPosition[2][1] =
6083 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6085 if (appData.debugMode) {
6086 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6088 if(shuffleOpenings) {
6089 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6090 startedFromSetupPosition = TRUE;
6092 if(startedFromPositionFile) {
6093 /* [HGM] loadPos: use PositionFile for every new game */
6094 CopyBoard(initialPosition, filePosition);
6095 for(i=0; i<nrCastlingRights; i++)
6096 initialRights[i] = filePosition[CASTLING][i];
6097 startedFromSetupPosition = TRUE;
6100 CopyBoard(boards[0], initialPosition);
6102 if(oldx != gameInfo.boardWidth ||
6103 oldy != gameInfo.boardHeight ||
6104 oldv != gameInfo.variant ||
6105 oldh != gameInfo.holdingsWidth
6107 InitDrawingSizes(-2 ,0);
6109 oldv = gameInfo.variant;
6111 DrawPosition(TRUE, boards[currentMove]);
6115 SendBoard (ChessProgramState *cps, int moveNum)
6117 char message[MSG_SIZ];
6119 if (cps->useSetboard) {
6120 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6121 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6122 SendToProgram(message, cps);
6127 int i, j, left=0, right=BOARD_WIDTH;
6128 /* Kludge to set black to move, avoiding the troublesome and now
6129 * deprecated "black" command.
6131 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6132 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6134 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6136 SendToProgram("edit\n", cps);
6137 SendToProgram("#\n", cps);
6138 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6139 bp = &boards[moveNum][i][left];
6140 for (j = left; j < right; j++, bp++) {
6141 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6142 if ((int) *bp < (int) BlackPawn) {
6143 if(j == BOARD_RGHT+1)
6144 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6145 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6146 if(message[0] == '+' || message[0] == '~') {
6147 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6148 PieceToChar((ChessSquare)(DEMOTED *bp)),
6151 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6152 message[1] = BOARD_RGHT - 1 - j + '1';
6153 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6155 SendToProgram(message, cps);
6160 SendToProgram("c\n", cps);
6161 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6162 bp = &boards[moveNum][i][left];
6163 for (j = left; j < right; j++, bp++) {
6164 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6165 if (((int) *bp != (int) EmptySquare)
6166 && ((int) *bp >= (int) BlackPawn)) {
6167 if(j == BOARD_LEFT-2)
6168 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6169 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6171 if(message[0] == '+' || message[0] == '~') {
6172 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6173 PieceToChar((ChessSquare)(DEMOTED *bp)),
6176 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6177 message[1] = BOARD_RGHT - 1 - j + '1';
6178 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6180 SendToProgram(message, cps);
6185 SendToProgram(".\n", cps);
6187 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6190 char exclusionHeader[MSG_SIZ];
6191 int exCnt, excludePtr;
6192 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6193 static Exclusion excluTab[200];
6194 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6200 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6201 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6207 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6208 excludePtr = 24; exCnt = 0;
6213 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6214 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6215 char buf[2*MOVE_LEN], *p;
6216 Exclusion *e = excluTab;
6218 for(i=0; i<exCnt; i++)
6219 if(e[i].ff == fromX && e[i].fr == fromY &&
6220 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6221 if(i == exCnt) { // was not in exclude list; add it
6222 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6223 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6224 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6227 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6228 excludePtr++; e[i].mark = excludePtr++;
6229 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6232 exclusionHeader[e[i].mark] = state;
6236 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6237 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6241 if((signed char)promoChar == -1) { // kludge to indicate best move
6242 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6243 return 1; // if unparsable, abort
6245 // update exclusion map (resolving toggle by consulting existing state)
6246 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6248 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6249 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6250 excludeMap[k] |= 1<<j;
6251 else excludeMap[k] &= ~(1<<j);
6253 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6255 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6256 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6258 return (state == '+');
6262 ExcludeClick (int index)
6265 Exclusion *e = excluTab;
6266 if(index < 25) { // none, best or tail clicked
6267 if(index < 13) { // none: include all
6268 WriteMap(0); // clear map
6269 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6270 SendToBoth("include all\n"); // and inform engine
6271 } else if(index > 18) { // tail
6272 if(exclusionHeader[19] == '-') { // tail was excluded
6273 SendToBoth("include all\n");
6274 WriteMap(0); // clear map completely
6275 // now re-exclude selected moves
6276 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6277 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6278 } else { // tail was included or in mixed state
6279 SendToBoth("exclude all\n");
6280 WriteMap(0xFF); // fill map completely
6281 // now re-include selected moves
6282 j = 0; // count them
6283 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6284 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6285 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6288 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6291 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6292 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6293 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6300 DefaultPromoChoice (int white)
6303 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6304 result = WhiteFerz; // no choice
6305 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6306 result= WhiteKing; // in Suicide Q is the last thing we want
6307 else if(gameInfo.variant == VariantSpartan)
6308 result = white ? WhiteQueen : WhiteAngel;
6309 else result = WhiteQueen;
6310 if(!white) result = WHITE_TO_BLACK result;
6314 static int autoQueen; // [HGM] oneclick
6317 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6319 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6320 /* [HGM] add Shogi promotions */
6321 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6326 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6327 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6329 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6330 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6333 piece = boards[currentMove][fromY][fromX];
6334 if(gameInfo.variant == VariantShogi) {
6335 promotionZoneSize = BOARD_HEIGHT/3;
6336 highestPromotingPiece = (int)WhiteFerz;
6337 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6338 promotionZoneSize = 3;
6341 // Treat Lance as Pawn when it is not representing Amazon
6342 if(gameInfo.variant != VariantSuper) {
6343 if(piece == WhiteLance) piece = WhitePawn; else
6344 if(piece == BlackLance) piece = BlackPawn;
6347 // next weed out all moves that do not touch the promotion zone at all
6348 if((int)piece >= BlackPawn) {
6349 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6351 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6353 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6354 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6357 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6359 // weed out mandatory Shogi promotions
6360 if(gameInfo.variant == VariantShogi) {
6361 if(piece >= BlackPawn) {
6362 if(toY == 0 && piece == BlackPawn ||
6363 toY == 0 && piece == BlackQueen ||
6364 toY <= 1 && piece == BlackKnight) {
6369 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6370 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6371 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6378 // weed out obviously illegal Pawn moves
6379 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6380 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6381 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6382 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6383 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6384 // note we are not allowed to test for valid (non-)capture, due to premove
6387 // we either have a choice what to promote to, or (in Shogi) whether to promote
6388 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6389 *promoChoice = PieceToChar(BlackFerz); // no choice
6392 // no sense asking what we must promote to if it is going to explode...
6393 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6394 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6397 // give caller the default choice even if we will not make it
6398 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6399 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6400 if( sweepSelect && gameInfo.variant != VariantGreat
6401 && gameInfo.variant != VariantGrand
6402 && gameInfo.variant != VariantSuper) return FALSE;
6403 if(autoQueen) return FALSE; // predetermined
6405 // suppress promotion popup on illegal moves that are not premoves
6406 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6407 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6408 if(appData.testLegality && !premove) {
6409 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6410 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6411 if(moveType != WhitePromotion && moveType != BlackPromotion)
6419 InPalace (int row, int column)
6420 { /* [HGM] for Xiangqi */
6421 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6422 column < (BOARD_WIDTH + 4)/2 &&
6423 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6428 PieceForSquare (int x, int y)
6430 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6433 return boards[currentMove][y][x];
6437 OKToStartUserMove (int x, int y)
6439 ChessSquare from_piece;
6442 if (matchMode) return FALSE;
6443 if (gameMode == EditPosition) return TRUE;
6445 if (x >= 0 && y >= 0)
6446 from_piece = boards[currentMove][y][x];
6448 from_piece = EmptySquare;
6450 if (from_piece == EmptySquare) return FALSE;
6452 white_piece = (int)from_piece >= (int)WhitePawn &&
6453 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6457 case TwoMachinesPlay:
6465 case MachinePlaysWhite:
6466 case IcsPlayingBlack:
6467 if (appData.zippyPlay) return FALSE;
6469 DisplayMoveError(_("You are playing Black"));
6474 case MachinePlaysBlack:
6475 case IcsPlayingWhite:
6476 if (appData.zippyPlay) return FALSE;
6478 DisplayMoveError(_("You are playing White"));
6483 case PlayFromGameFile:
6484 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6486 if (!white_piece && WhiteOnMove(currentMove)) {
6487 DisplayMoveError(_("It is White's turn"));
6490 if (white_piece && !WhiteOnMove(currentMove)) {
6491 DisplayMoveError(_("It is Black's turn"));
6494 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6495 /* Editing correspondence game history */
6496 /* Could disallow this or prompt for confirmation */
6501 case BeginningOfGame:
6502 if (appData.icsActive) return FALSE;
6503 if (!appData.noChessProgram) {
6505 DisplayMoveError(_("You are playing White"));
6512 if (!white_piece && WhiteOnMove(currentMove)) {
6513 DisplayMoveError(_("It is White's turn"));
6516 if (white_piece && !WhiteOnMove(currentMove)) {
6517 DisplayMoveError(_("It is Black's turn"));
6526 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6527 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6528 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6529 && gameMode != AnalyzeFile && gameMode != Training) {
6530 DisplayMoveError(_("Displayed position is not current"));
6537 OnlyMove (int *x, int *y, Boolean captures)
6539 DisambiguateClosure cl;
6540 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6542 case MachinePlaysBlack:
6543 case IcsPlayingWhite:
6544 case BeginningOfGame:
6545 if(!WhiteOnMove(currentMove)) return FALSE;
6547 case MachinePlaysWhite:
6548 case IcsPlayingBlack:
6549 if(WhiteOnMove(currentMove)) return FALSE;
6556 cl.pieceIn = EmptySquare;
6561 cl.promoCharIn = NULLCHAR;
6562 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6563 if( cl.kind == NormalMove ||
6564 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6565 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6566 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6573 if(cl.kind != ImpossibleMove) return FALSE;
6574 cl.pieceIn = EmptySquare;
6579 cl.promoCharIn = NULLCHAR;
6580 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6581 if( cl.kind == NormalMove ||
6582 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6583 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6584 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6589 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6595 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6596 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6597 int lastLoadGameUseList = FALSE;
6598 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6599 ChessMove lastLoadGameStart = EndOfFile;
6603 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6607 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6609 /* Check if the user is playing in turn. This is complicated because we
6610 let the user "pick up" a piece before it is his turn. So the piece he
6611 tried to pick up may have been captured by the time he puts it down!
6612 Therefore we use the color the user is supposed to be playing in this
6613 test, not the color of the piece that is currently on the starting
6614 square---except in EditGame mode, where the user is playing both
6615 sides; fortunately there the capture race can't happen. (It can
6616 now happen in IcsExamining mode, but that's just too bad. The user
6617 will get a somewhat confusing message in that case.)
6622 case TwoMachinesPlay:
6626 /* We switched into a game mode where moves are not accepted,
6627 perhaps while the mouse button was down. */
6630 case MachinePlaysWhite:
6631 /* User is moving for Black */
6632 if (WhiteOnMove(currentMove)) {
6633 DisplayMoveError(_("It is White's turn"));
6638 case MachinePlaysBlack:
6639 /* User is moving for White */
6640 if (!WhiteOnMove(currentMove)) {
6641 DisplayMoveError(_("It is Black's turn"));
6646 case PlayFromGameFile:
6647 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6650 case BeginningOfGame:
6653 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6654 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6655 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6656 /* User is moving for Black */
6657 if (WhiteOnMove(currentMove)) {
6658 DisplayMoveError(_("It is White's turn"));
6662 /* User is moving for White */
6663 if (!WhiteOnMove(currentMove)) {
6664 DisplayMoveError(_("It is Black's turn"));
6670 case IcsPlayingBlack:
6671 /* User is moving for Black */
6672 if (WhiteOnMove(currentMove)) {
6673 if (!appData.premove) {
6674 DisplayMoveError(_("It is White's turn"));
6675 } else if (toX >= 0 && toY >= 0) {
6678 premoveFromX = fromX;
6679 premoveFromY = fromY;
6680 premovePromoChar = promoChar;
6682 if (appData.debugMode)
6683 fprintf(debugFP, "Got premove: fromX %d,"
6684 "fromY %d, toX %d, toY %d\n",
6685 fromX, fromY, toX, toY);
6691 case IcsPlayingWhite:
6692 /* User is moving for White */
6693 if (!WhiteOnMove(currentMove)) {
6694 if (!appData.premove) {
6695 DisplayMoveError(_("It is Black's turn"));
6696 } else if (toX >= 0 && toY >= 0) {
6699 premoveFromX = fromX;
6700 premoveFromY = fromY;
6701 premovePromoChar = promoChar;
6703 if (appData.debugMode)
6704 fprintf(debugFP, "Got premove: fromX %d,"
6705 "fromY %d, toX %d, toY %d\n",
6706 fromX, fromY, toX, toY);
6716 /* EditPosition, empty square, or different color piece;
6717 click-click move is possible */
6718 if (toX == -2 || toY == -2) {
6719 boards[0][fromY][fromX] = EmptySquare;
6720 DrawPosition(FALSE, boards[currentMove]);
6722 } else if (toX >= 0 && toY >= 0) {
6723 boards[0][toY][toX] = boards[0][fromY][fromX];
6724 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6725 if(boards[0][fromY][0] != EmptySquare) {
6726 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6727 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6730 if(fromX == BOARD_RGHT+1) {
6731 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6732 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6733 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6736 boards[0][fromY][fromX] = gatingPiece;
6737 DrawPosition(FALSE, boards[currentMove]);
6743 if(toX < 0 || toY < 0) return;
6744 pup = boards[currentMove][toY][toX];
6746 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6747 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6748 if( pup != EmptySquare ) return;
6749 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6750 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6751 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6752 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6753 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6754 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6755 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6759 /* [HGM] always test for legality, to get promotion info */
6760 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6761 fromY, fromX, toY, toX, promoChar);
6763 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6765 /* [HGM] but possibly ignore an IllegalMove result */
6766 if (appData.testLegality) {
6767 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6768 DisplayMoveError(_("Illegal move"));
6773 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6774 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6775 ClearPremoveHighlights(); // was included
6776 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6780 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6783 /* Common tail of UserMoveEvent and DropMenuEvent */
6785 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6789 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6790 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6791 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6792 if(WhiteOnMove(currentMove)) {
6793 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6795 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6799 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6800 move type in caller when we know the move is a legal promotion */
6801 if(moveType == NormalMove && promoChar)
6802 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6804 /* [HGM] <popupFix> The following if has been moved here from
6805 UserMoveEvent(). Because it seemed to belong here (why not allow
6806 piece drops in training games?), and because it can only be
6807 performed after it is known to what we promote. */
6808 if (gameMode == Training) {
6809 /* compare the move played on the board to the next move in the
6810 * game. If they match, display the move and the opponent's response.
6811 * If they don't match, display an error message.
6815 CopyBoard(testBoard, boards[currentMove]);
6816 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6818 if (CompareBoards(testBoard, boards[currentMove+1])) {
6819 ForwardInner(currentMove+1);
6821 /* Autoplay the opponent's response.
6822 * if appData.animate was TRUE when Training mode was entered,
6823 * the response will be animated.
6825 saveAnimate = appData.animate;
6826 appData.animate = animateTraining;
6827 ForwardInner(currentMove+1);
6828 appData.animate = saveAnimate;
6830 /* check for the end of the game */
6831 if (currentMove >= forwardMostMove) {
6832 gameMode = PlayFromGameFile;
6834 SetTrainingModeOff();
6835 DisplayInformation(_("End of game"));
6838 DisplayError(_("Incorrect move"), 0);
6843 /* Ok, now we know that the move is good, so we can kill
6844 the previous line in Analysis Mode */
6845 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6846 && currentMove < forwardMostMove) {
6847 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6848 else forwardMostMove = currentMove;
6853 /* If we need the chess program but it's dead, restart it */
6854 ResurrectChessProgram();
6856 /* A user move restarts a paused game*/
6860 thinkOutput[0] = NULLCHAR;
6862 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6864 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6865 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6869 if (gameMode == BeginningOfGame) {
6870 if (appData.noChessProgram) {
6871 gameMode = EditGame;
6875 gameMode = MachinePlaysBlack;
6878 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6880 if (first.sendName) {
6881 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6882 SendToProgram(buf, &first);
6889 /* Relay move to ICS or chess engine */
6890 if (appData.icsActive) {
6891 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6892 gameMode == IcsExamining) {
6893 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6894 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6896 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6898 // also send plain move, in case ICS does not understand atomic claims
6899 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6903 if (first.sendTime && (gameMode == BeginningOfGame ||
6904 gameMode == MachinePlaysWhite ||
6905 gameMode == MachinePlaysBlack)) {
6906 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6908 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6909 // [HGM] book: if program might be playing, let it use book
6910 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6911 first.maybeThinking = TRUE;
6912 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6913 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6914 SendBoard(&first, currentMove+1);
6915 if(second.analyzing) {
6916 if(!second.useSetboard) SendToProgram("undo\n", &second);
6917 SendBoard(&second, currentMove+1);
6920 SendMoveToProgram(forwardMostMove-1, &first);
6921 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6923 if (currentMove == cmailOldMove + 1) {
6924 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6928 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6932 if(appData.testLegality)
6933 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6939 if (WhiteOnMove(currentMove)) {
6940 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6942 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6946 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6951 case MachinePlaysBlack:
6952 case MachinePlaysWhite:
6953 /* disable certain menu options while machine is thinking */
6954 SetMachineThinkingEnables();
6961 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6962 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6964 if(bookHit) { // [HGM] book: simulate book reply
6965 static char bookMove[MSG_SIZ]; // a bit generous?
6967 programStats.nodes = programStats.depth = programStats.time =
6968 programStats.score = programStats.got_only_move = 0;
6969 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6971 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6972 strcat(bookMove, bookHit);
6973 HandleMachineMove(bookMove, &first);
6979 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6981 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6982 Markers *m = (Markers *) closure;
6983 if(rf == fromY && ff == fromX)
6984 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6985 || kind == WhiteCapturesEnPassant
6986 || kind == BlackCapturesEnPassant);
6987 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6991 MarkTargetSquares (int clear)
6994 if(clear) // no reason to ever suppress clearing
6995 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6996 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6997 !appData.testLegality || gameMode == EditPosition) return;
7000 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7001 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7002 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7004 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7007 DrawPosition(FALSE, NULL);
7011 Explode (Board board, int fromX, int fromY, int toX, int toY)
7013 if(gameInfo.variant == VariantAtomic &&
7014 (board[toY][toX] != EmptySquare || // capture?
7015 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7016 board[fromY][fromX] == BlackPawn )
7018 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7024 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7027 CanPromote (ChessSquare piece, int y)
7029 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7030 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7031 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7032 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7033 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7034 gameInfo.variant == VariantMakruk) return FALSE;
7035 return (piece == BlackPawn && y == 1 ||
7036 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7037 piece == BlackLance && y == 1 ||
7038 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7042 LeftClick (ClickType clickType, int xPix, int yPix)
7045 Boolean saveAnimate;
7046 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7047 char promoChoice = NULLCHAR;
7049 static TimeMark lastClickTime, prevClickTime;
7051 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7053 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7055 if (clickType == Press) ErrorPopDown();
7057 x = EventToSquare(xPix, BOARD_WIDTH);
7058 y = EventToSquare(yPix, BOARD_HEIGHT);
7059 if (!flipView && y >= 0) {
7060 y = BOARD_HEIGHT - 1 - y;
7062 if (flipView && x >= 0) {
7063 x = BOARD_WIDTH - 1 - x;
7066 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7067 defaultPromoChoice = promoSweep;
7068 promoSweep = EmptySquare; // terminate sweep
7069 promoDefaultAltered = TRUE;
7070 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7073 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7074 if(clickType == Release) return; // ignore upclick of click-click destination
7075 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7076 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7077 if(gameInfo.holdingsWidth &&
7078 (WhiteOnMove(currentMove)
7079 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7080 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7081 // click in right holdings, for determining promotion piece
7082 ChessSquare p = boards[currentMove][y][x];
7083 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7084 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7085 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7086 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7091 DrawPosition(FALSE, boards[currentMove]);
7095 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7096 if(clickType == Press
7097 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7098 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7099 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7102 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7103 // could be static click on premove from-square: abort premove
7105 ClearPremoveHighlights();
7108 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7109 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7111 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7112 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7113 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7114 defaultPromoChoice = DefaultPromoChoice(side);
7117 autoQueen = appData.alwaysPromoteToQueen;
7121 gatingPiece = EmptySquare;
7122 if (clickType != Press) {
7123 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7124 DragPieceEnd(xPix, yPix); dragging = 0;
7125 DrawPosition(FALSE, NULL);
7129 doubleClick = FALSE;
7130 if(gameMode == AnalyzeMode && pausing && first.excludeMoves) { // use pause state to exclude moves
7131 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7133 fromX = x; fromY = y; toX = toY = -1;
7134 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7135 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7136 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7138 if (OKToStartUserMove(fromX, fromY)) {
7140 MarkTargetSquares(0);
7141 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7142 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7143 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7144 promoSweep = defaultPromoChoice;
7145 selectFlag = 0; lastX = xPix; lastY = yPix;
7146 Sweep(0); // Pawn that is going to promote: preview promotion piece
7147 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7149 if (appData.highlightDragging) {
7150 SetHighlights(fromX, fromY, -1, -1);
7154 } else fromX = fromY = -1;
7160 if (clickType == Press && gameMode != EditPosition) {
7165 // ignore off-board to clicks
7166 if(y < 0 || x < 0) return;
7168 /* Check if clicking again on the same color piece */
7169 fromP = boards[currentMove][fromY][fromX];
7170 toP = boards[currentMove][y][x];
7171 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7172 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7173 WhitePawn <= toP && toP <= WhiteKing &&
7174 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7175 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7176 (BlackPawn <= fromP && fromP <= BlackKing &&
7177 BlackPawn <= toP && toP <= BlackKing &&
7178 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7179 !(fromP == BlackKing && toP == BlackRook && frc))) {
7180 /* Clicked again on same color piece -- changed his mind */
7181 second = (x == fromX && y == fromY);
7182 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7183 second = FALSE; // first double-click rather than scond click
7184 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7186 promoDefaultAltered = FALSE;
7187 MarkTargetSquares(1);
7188 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7189 if (appData.highlightDragging) {
7190 SetHighlights(x, y, -1, -1);
7194 if (OKToStartUserMove(x, y)) {
7195 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7196 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7197 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7198 gatingPiece = boards[currentMove][fromY][fromX];
7199 else gatingPiece = doubleClick ? fromP : EmptySquare;
7201 fromY = y; dragging = 1;
7202 MarkTargetSquares(0);
7203 DragPieceBegin(xPix, yPix, FALSE);
7204 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7205 promoSweep = defaultPromoChoice;
7206 selectFlag = 0; lastX = xPix; lastY = yPix;
7207 Sweep(0); // Pawn that is going to promote: preview promotion piece
7211 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7214 // ignore clicks on holdings
7215 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7218 if (clickType == Release && x == fromX && y == fromY) {
7219 DragPieceEnd(xPix, yPix); dragging = 0;
7221 // a deferred attempt to click-click move an empty square on top of a piece
7222 boards[currentMove][y][x] = EmptySquare;
7224 DrawPosition(FALSE, boards[currentMove]);
7225 fromX = fromY = -1; clearFlag = 0;
7228 if (appData.animateDragging) {
7229 /* Undo animation damage if any */
7230 DrawPosition(FALSE, NULL);
7232 if (second || sweepSelecting) {
7233 /* Second up/down in same square; just abort move */
7234 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7235 second = sweepSelecting = 0;
7237 gatingPiece = EmptySquare;
7240 ClearPremoveHighlights();
7242 /* First upclick in same square; start click-click mode */
7243 SetHighlights(x, y, -1, -1);
7250 /* we now have a different from- and (possibly off-board) to-square */
7251 /* Completed move */
7252 if(!sweepSelecting) {
7255 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7257 saveAnimate = appData.animate;
7258 if (clickType == Press) {
7259 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7260 // must be Edit Position mode with empty-square selected
7261 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7262 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7265 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7266 if(appData.sweepSelect) {
7267 ChessSquare piece = boards[currentMove][fromY][fromX];
7268 promoSweep = defaultPromoChoice;
7269 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7270 selectFlag = 0; lastX = xPix; lastY = yPix;
7271 Sweep(0); // Pawn that is going to promote: preview promotion piece
7273 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7274 MarkTargetSquares(1);
7276 return; // promo popup appears on up-click
7278 /* Finish clickclick move */
7279 if (appData.animate || appData.highlightLastMove) {
7280 SetHighlights(fromX, fromY, toX, toY);
7286 // [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
7287 /* Finish drag move */
7288 if (appData.highlightLastMove) {
7289 SetHighlights(fromX, fromY, toX, toY);
7294 DragPieceEnd(xPix, yPix); dragging = 0;
7295 /* Don't animate move and drag both */
7296 appData.animate = FALSE;
7299 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7300 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7301 ChessSquare piece = boards[currentMove][fromY][fromX];
7302 if(gameMode == EditPosition && piece != EmptySquare &&
7303 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7306 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7307 n = PieceToNumber(piece - (int)BlackPawn);
7308 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7309 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7310 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7312 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7313 n = PieceToNumber(piece);
7314 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7315 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7316 boards[currentMove][n][BOARD_WIDTH-2]++;
7318 boards[currentMove][fromY][fromX] = EmptySquare;
7322 MarkTargetSquares(1);
7323 DrawPosition(TRUE, boards[currentMove]);
7327 // off-board moves should not be highlighted
7328 if(x < 0 || y < 0) ClearHighlights();
7330 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7332 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7333 SetHighlights(fromX, fromY, toX, toY);
7334 MarkTargetSquares(1);
7335 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7336 // [HGM] super: promotion to captured piece selected from holdings
7337 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7338 promotionChoice = TRUE;
7339 // kludge follows to temporarily execute move on display, without promoting yet
7340 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7341 boards[currentMove][toY][toX] = p;
7342 DrawPosition(FALSE, boards[currentMove]);
7343 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7344 boards[currentMove][toY][toX] = q;
7345 DisplayMessage("Click in holdings to choose piece", "");
7350 int oldMove = currentMove;
7351 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7352 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7353 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7354 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7355 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7356 DrawPosition(TRUE, boards[currentMove]);
7357 MarkTargetSquares(1);
7360 appData.animate = saveAnimate;
7361 if (appData.animate || appData.animateDragging) {
7362 /* Undo animation damage if needed */
7363 DrawPosition(FALSE, NULL);
7368 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7369 { // front-end-free part taken out of PieceMenuPopup
7370 int whichMenu; int xSqr, ySqr;
7372 if(seekGraphUp) { // [HGM] seekgraph
7373 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7374 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7378 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7379 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7380 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7381 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7382 if(action == Press) {
7383 originalFlip = flipView;
7384 flipView = !flipView; // temporarily flip board to see game from partners perspective
7385 DrawPosition(TRUE, partnerBoard);
7386 DisplayMessage(partnerStatus, "");
7388 } else if(action == Release) {
7389 flipView = originalFlip;
7390 DrawPosition(TRUE, boards[currentMove]);
7396 xSqr = EventToSquare(x, BOARD_WIDTH);
7397 ySqr = EventToSquare(y, BOARD_HEIGHT);
7398 if (action == Release) {
7399 if(pieceSweep != EmptySquare) {
7400 EditPositionMenuEvent(pieceSweep, toX, toY);
7401 pieceSweep = EmptySquare;
7402 } else UnLoadPV(); // [HGM] pv
7404 if (action != Press) return -2; // return code to be ignored
7407 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7409 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7410 if (xSqr < 0 || ySqr < 0) return -1;
7411 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7412 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7413 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7414 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7418 if(!appData.icsEngineAnalyze) return -1;
7419 case IcsPlayingWhite:
7420 case IcsPlayingBlack:
7421 if(!appData.zippyPlay) goto noZip;
7424 case MachinePlaysWhite:
7425 case MachinePlaysBlack:
7426 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7427 if (!appData.dropMenu) {
7429 return 2; // flag front-end to grab mouse events
7431 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7432 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7435 if (xSqr < 0 || ySqr < 0) return -1;
7436 if (!appData.dropMenu || appData.testLegality &&
7437 gameInfo.variant != VariantBughouse &&
7438 gameInfo.variant != VariantCrazyhouse) return -1;
7439 whichMenu = 1; // drop menu
7445 if (((*fromX = xSqr) < 0) ||
7446 ((*fromY = ySqr) < 0)) {
7447 *fromX = *fromY = -1;
7451 *fromX = BOARD_WIDTH - 1 - *fromX;
7453 *fromY = BOARD_HEIGHT - 1 - *fromY;
7459 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7461 // char * hint = lastHint;
7462 FrontEndProgramStats stats;
7464 stats.which = cps == &first ? 0 : 1;
7465 stats.depth = cpstats->depth;
7466 stats.nodes = cpstats->nodes;
7467 stats.score = cpstats->score;
7468 stats.time = cpstats->time;
7469 stats.pv = cpstats->movelist;
7470 stats.hint = lastHint;
7471 stats.an_move_index = 0;
7472 stats.an_move_count = 0;
7474 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7475 stats.hint = cpstats->move_name;
7476 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7477 stats.an_move_count = cpstats->nr_moves;
7480 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
7482 SetProgramStats( &stats );
7486 ClearEngineOutputPane (int which)
7488 static FrontEndProgramStats dummyStats;
7489 dummyStats.which = which;
7490 dummyStats.pv = "#";
7491 SetProgramStats( &dummyStats );
7494 #define MAXPLAYERS 500
7497 TourneyStandings (int display)
7499 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7500 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7501 char result, *p, *names[MAXPLAYERS];
7503 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7504 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7505 names[0] = p = strdup(appData.participants);
7506 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7508 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7510 while(result = appData.results[nr]) {
7511 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7512 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7513 wScore = bScore = 0;
7515 case '+': wScore = 2; break;
7516 case '-': bScore = 2; break;
7517 case '=': wScore = bScore = 1; break;
7519 case '*': return strdup("busy"); // tourney not finished
7527 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7528 for(w=0; w<nPlayers; w++) {
7530 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7531 ranking[w] = b; points[w] = bScore; score[b] = -2;
7533 p = malloc(nPlayers*34+1);
7534 for(w=0; w<nPlayers && w<display; w++)
7535 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7541 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7542 { // count all piece types
7544 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7545 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7546 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7549 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7550 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7551 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7552 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7553 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7554 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7559 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7561 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7562 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7564 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7565 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7566 if(myPawns == 2 && nMine == 3) // KPP
7567 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7568 if(myPawns == 1 && nMine == 2) // KP
7569 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7570 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7571 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7572 if(myPawns) return FALSE;
7573 if(pCnt[WhiteRook+side])
7574 return pCnt[BlackRook-side] ||
7575 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7576 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7577 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7578 if(pCnt[WhiteCannon+side]) {
7579 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7580 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7582 if(pCnt[WhiteKnight+side])
7583 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7588 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7590 VariantClass v = gameInfo.variant;
7592 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7593 if(v == VariantShatranj) return TRUE; // always winnable through baring
7594 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7595 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7597 if(v == VariantXiangqi) {
7598 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7600 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7601 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7602 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7603 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7604 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7605 if(stale) // we have at least one last-rank P plus perhaps C
7606 return majors // KPKX
7607 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7609 return pCnt[WhiteFerz+side] // KCAK
7610 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7611 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7612 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7614 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7615 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7617 if(nMine == 1) return FALSE; // bare King
7618 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
7619 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7620 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7621 // by now we have King + 1 piece (or multiple Bishops on the same color)
7622 if(pCnt[WhiteKnight+side])
7623 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7624 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7625 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7627 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7628 if(pCnt[WhiteAlfil+side])
7629 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7630 if(pCnt[WhiteWazir+side])
7631 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7638 CompareWithRights (Board b1, Board b2)
7641 if(!CompareBoards(b1, b2)) return FALSE;
7642 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7643 /* compare castling rights */
7644 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7645 rights++; /* King lost rights, while rook still had them */
7646 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7647 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7648 rights++; /* but at least one rook lost them */
7650 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7652 if( b1[CASTLING][5] != NoRights ) {
7653 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7660 Adjudicate (ChessProgramState *cps)
7661 { // [HGM] some adjudications useful with buggy engines
7662 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7663 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7664 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7665 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7666 int k, count = 0; static int bare = 1;
7667 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7668 Boolean canAdjudicate = !appData.icsActive;
7670 // most tests only when we understand the game, i.e. legality-checking on
7671 if( appData.testLegality )
7672 { /* [HGM] Some more adjudications for obstinate engines */
7673 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7674 static int moveCount = 6;
7676 char *reason = NULL;
7678 /* Count what is on board. */
7679 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7681 /* Some material-based adjudications that have to be made before stalemate test */
7682 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7683 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7684 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7685 if(canAdjudicate && appData.checkMates) {
7687 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7688 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7689 "Xboard adjudication: King destroyed", GE_XBOARD );
7694 /* Bare King in Shatranj (loses) or Losers (wins) */
7695 if( nrW == 1 || nrB == 1) {
7696 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7697 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7698 if(canAdjudicate && appData.checkMates) {
7700 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7701 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7702 "Xboard adjudication: Bare king", GE_XBOARD );
7706 if( gameInfo.variant == VariantShatranj && --bare < 0)
7708 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7709 if(canAdjudicate && appData.checkMates) {
7710 /* but only adjudicate if adjudication enabled */
7712 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7713 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7714 "Xboard adjudication: Bare king", GE_XBOARD );
7721 // don't wait for engine to announce game end if we can judge ourselves
7722 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7724 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7725 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7726 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7727 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7730 reason = "Xboard adjudication: 3rd check";
7731 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7741 reason = "Xboard adjudication: Stalemate";
7742 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7743 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7744 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7745 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7746 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7747 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7748 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7749 EP_CHECKMATE : EP_WINS);
7750 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7751 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7755 reason = "Xboard adjudication: Checkmate";
7756 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7760 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7762 result = GameIsDrawn; break;
7764 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7766 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7770 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7772 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7773 GameEnds( result, reason, GE_XBOARD );
7777 /* Next absolutely insufficient mating material. */
7778 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7779 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7780 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7782 /* always flag draws, for judging claims */
7783 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7785 if(canAdjudicate && appData.materialDraws) {
7786 /* but only adjudicate them if adjudication enabled */
7787 if(engineOpponent) {
7788 SendToProgram("force\n", engineOpponent); // suppress reply
7789 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7791 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7796 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7797 if(gameInfo.variant == VariantXiangqi ?
7798 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7800 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7801 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7802 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7803 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7805 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7806 { /* if the first 3 moves do not show a tactical win, declare draw */
7807 if(engineOpponent) {
7808 SendToProgram("force\n", engineOpponent); // suppress reply
7809 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7811 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7814 } else moveCount = 6;
7817 // Repetition draws and 50-move rule can be applied independently of legality testing
7819 /* Check for rep-draws */
7821 for(k = forwardMostMove-2;
7822 k>=backwardMostMove && k>=forwardMostMove-100 &&
7823 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7824 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7827 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7828 /* compare castling rights */
7829 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7830 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7831 rights++; /* King lost rights, while rook still had them */
7832 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7833 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7834 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7835 rights++; /* but at least one rook lost them */
7837 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7838 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7840 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7841 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7842 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7845 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7846 && appData.drawRepeats > 1) {
7847 /* adjudicate after user-specified nr of repeats */
7848 int result = GameIsDrawn;
7849 char *details = "XBoard adjudication: repetition draw";
7850 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7851 // [HGM] xiangqi: check for forbidden perpetuals
7852 int m, ourPerpetual = 1, hisPerpetual = 1;
7853 for(m=forwardMostMove; m>k; m-=2) {
7854 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7855 ourPerpetual = 0; // the current mover did not always check
7856 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7857 hisPerpetual = 0; // the opponent did not always check
7859 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7860 ourPerpetual, hisPerpetual);
7861 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7862 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7863 details = "Xboard adjudication: perpetual checking";
7865 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7866 break; // (or we would have caught him before). Abort repetition-checking loop.
7868 // Now check for perpetual chases
7869 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7870 hisPerpetual = PerpetualChase(k, forwardMostMove);
7871 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7872 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7873 static char resdet[MSG_SIZ];
7874 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7876 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7878 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7879 break; // Abort repetition-checking loop.
7881 // if neither of us is checking or chasing all the time, or both are, it is draw
7883 if(engineOpponent) {
7884 SendToProgram("force\n", engineOpponent); // suppress reply
7885 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7887 GameEnds( result, details, GE_XBOARD );
7890 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7891 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7895 /* Now we test for 50-move draws. Determine ply count */
7896 count = forwardMostMove;
7897 /* look for last irreversble move */
7898 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7900 /* if we hit starting position, add initial plies */
7901 if( count == backwardMostMove )
7902 count -= initialRulePlies;
7903 count = forwardMostMove - count;
7904 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7905 // adjust reversible move counter for checks in Xiangqi
7906 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7907 if(i < backwardMostMove) i = backwardMostMove;
7908 while(i <= forwardMostMove) {
7909 lastCheck = inCheck; // check evasion does not count
7910 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7911 if(inCheck || lastCheck) count--; // check does not count
7916 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7917 /* this is used to judge if draw claims are legal */
7918 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7919 if(engineOpponent) {
7920 SendToProgram("force\n", engineOpponent); // suppress reply
7921 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7923 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7927 /* if draw offer is pending, treat it as a draw claim
7928 * when draw condition present, to allow engines a way to
7929 * claim draws before making their move to avoid a race
7930 * condition occurring after their move
7932 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7934 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7935 p = "Draw claim: 50-move rule";
7936 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7937 p = "Draw claim: 3-fold repetition";
7938 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7939 p = "Draw claim: insufficient mating material";
7940 if( p != NULL && canAdjudicate) {
7941 if(engineOpponent) {
7942 SendToProgram("force\n", engineOpponent); // suppress reply
7943 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7945 GameEnds( GameIsDrawn, p, GE_XBOARD );
7950 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7951 if(engineOpponent) {
7952 SendToProgram("force\n", engineOpponent); // suppress reply
7953 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7955 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7962 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7963 { // [HGM] book: this routine intercepts moves to simulate book replies
7964 char *bookHit = NULL;
7966 //first determine if the incoming move brings opponent into his book
7967 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7968 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7969 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7970 if(bookHit != NULL && !cps->bookSuspend) {
7971 // make sure opponent is not going to reply after receiving move to book position
7972 SendToProgram("force\n", cps);
7973 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7975 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7976 // now arrange restart after book miss
7978 // after a book hit we never send 'go', and the code after the call to this routine
7979 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7980 char buf[MSG_SIZ], *move = bookHit;
7982 int fromX, fromY, toX, toY;
7986 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7987 &fromX, &fromY, &toX, &toY, &promoChar)) {
7988 (void) CoordsToAlgebraic(boards[forwardMostMove],
7989 PosFlags(forwardMostMove),
7990 fromY, fromX, toY, toX, promoChar, move);
7992 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7996 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7997 SendToProgram(buf, cps);
7998 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7999 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8000 SendToProgram("go\n", cps);
8001 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8002 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8003 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8004 SendToProgram("go\n", cps);
8005 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8007 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8011 LoadError (char *errmess, ChessProgramState *cps)
8012 { // unloads engine and switches back to -ncp mode if it was first
8013 if(cps->initDone) return FALSE;
8014 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8015 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8018 appData.noChessProgram = TRUE;
8019 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8020 gameMode = BeginningOfGame; ModeHighlight();
8023 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8024 DisplayMessage("", ""); // erase waiting message
8025 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8030 ChessProgramState *savedState;
8032 DeferredBookMove (void)
8034 if(savedState->lastPing != savedState->lastPong)
8035 ScheduleDelayedEvent(DeferredBookMove, 10);
8037 HandleMachineMove(savedMessage, savedState);
8040 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8043 HandleMachineMove (char *message, ChessProgramState *cps)
8045 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8046 char realname[MSG_SIZ];
8047 int fromX, fromY, toX, toY;
8051 int machineWhite, oldError;
8054 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8055 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8056 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8057 DisplayError(_("Invalid pairing from pairing engine"), 0);
8060 pairingReceived = 1;
8062 return; // Skim the pairing messages here.
8065 oldError = cps->userError; cps->userError = 0;
8067 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8069 * Kludge to ignore BEL characters
8071 while (*message == '\007') message++;
8074 * [HGM] engine debug message: ignore lines starting with '#' character
8076 if(cps->debug && *message == '#') return;
8079 * Look for book output
8081 if (cps == &first && bookRequested) {
8082 if (message[0] == '\t' || message[0] == ' ') {
8083 /* Part of the book output is here; append it */
8084 strcat(bookOutput, message);
8085 strcat(bookOutput, " \n");
8087 } else if (bookOutput[0] != NULLCHAR) {
8088 /* All of book output has arrived; display it */
8089 char *p = bookOutput;
8090 while (*p != NULLCHAR) {
8091 if (*p == '\t') *p = ' ';
8094 DisplayInformation(bookOutput);
8095 bookRequested = FALSE;
8096 /* Fall through to parse the current output */
8101 * Look for machine move.
8103 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8104 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8106 /* This method is only useful on engines that support ping */
8107 if (cps->lastPing != cps->lastPong) {
8108 if (gameMode == BeginningOfGame) {
8109 /* Extra move from before last new; ignore */
8110 if (appData.debugMode) {
8111 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8114 if (appData.debugMode) {
8115 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8116 cps->which, gameMode);
8119 SendToProgram("undo\n", cps);
8125 case BeginningOfGame:
8126 /* Extra move from before last reset; ignore */
8127 if (appData.debugMode) {
8128 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8135 /* Extra move after we tried to stop. The mode test is
8136 not a reliable way of detecting this problem, but it's
8137 the best we can do on engines that don't support ping.
8139 if (appData.debugMode) {
8140 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8141 cps->which, gameMode);
8143 SendToProgram("undo\n", cps);
8146 case MachinePlaysWhite:
8147 case IcsPlayingWhite:
8148 machineWhite = TRUE;
8151 case MachinePlaysBlack:
8152 case IcsPlayingBlack:
8153 machineWhite = FALSE;
8156 case TwoMachinesPlay:
8157 machineWhite = (cps->twoMachinesColor[0] == 'w');
8160 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8161 if (appData.debugMode) {
8163 "Ignoring move out of turn by %s, gameMode %d"
8164 ", forwardMost %d\n",
8165 cps->which, gameMode, forwardMostMove);
8170 if(cps->alphaRank) AlphaRank(machineMove, 4);
8171 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8172 &fromX, &fromY, &toX, &toY, &promoChar)) {
8173 /* Machine move could not be parsed; ignore it. */
8174 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8175 machineMove, _(cps->which));
8176 DisplayError(buf1, 0);
8177 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8178 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8179 if (gameMode == TwoMachinesPlay) {
8180 GameEnds(machineWhite ? BlackWins : WhiteWins,
8186 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8187 /* So we have to redo legality test with true e.p. status here, */
8188 /* to make sure an illegal e.p. capture does not slip through, */
8189 /* to cause a forfeit on a justified illegal-move complaint */
8190 /* of the opponent. */
8191 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8193 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8194 fromY, fromX, toY, toX, promoChar);
8195 if(moveType == IllegalMove) {
8196 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8197 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8198 GameEnds(machineWhite ? BlackWins : WhiteWins,
8201 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8202 /* [HGM] Kludge to handle engines that send FRC-style castling
8203 when they shouldn't (like TSCP-Gothic) */
8205 case WhiteASideCastleFR:
8206 case BlackASideCastleFR:
8208 currentMoveString[2]++;
8210 case WhiteHSideCastleFR:
8211 case BlackHSideCastleFR:
8213 currentMoveString[2]--;
8215 default: ; // nothing to do, but suppresses warning of pedantic compilers
8218 hintRequested = FALSE;
8219 lastHint[0] = NULLCHAR;
8220 bookRequested = FALSE;
8221 /* Program may be pondering now */
8222 cps->maybeThinking = TRUE;
8223 if (cps->sendTime == 2) cps->sendTime = 1;
8224 if (cps->offeredDraw) cps->offeredDraw--;
8226 /* [AS] Save move info*/
8227 pvInfoList[ forwardMostMove ].score = programStats.score;
8228 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8229 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8231 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8233 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8234 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8237 while( count < adjudicateLossPlies ) {
8238 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8241 score = -score; /* Flip score for winning side */
8244 if( score > adjudicateLossThreshold ) {
8251 if( count >= adjudicateLossPlies ) {
8252 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8254 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8255 "Xboard adjudication",
8262 if(Adjudicate(cps)) {
8263 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8264 return; // [HGM] adjudicate: for all automatic game ends
8268 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8270 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8271 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8273 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8275 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8277 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8278 char buf[3*MSG_SIZ];
8280 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8281 programStats.score / 100.,
8283 programStats.time / 100.,
8284 (unsigned int)programStats.nodes,
8285 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8286 programStats.movelist);
8288 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8293 /* [AS] Clear stats for next move */
8294 ClearProgramStats();
8295 thinkOutput[0] = NULLCHAR;
8296 hiddenThinkOutputState = 0;
8299 if (gameMode == TwoMachinesPlay) {
8300 /* [HGM] relaying draw offers moved to after reception of move */
8301 /* and interpreting offer as claim if it brings draw condition */
8302 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8303 SendToProgram("draw\n", cps->other);
8305 if (cps->other->sendTime) {
8306 SendTimeRemaining(cps->other,
8307 cps->other->twoMachinesColor[0] == 'w');
8309 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8310 if (firstMove && !bookHit) {
8312 if (cps->other->useColors) {
8313 SendToProgram(cps->other->twoMachinesColor, cps->other);
8315 SendToProgram("go\n", cps->other);
8317 cps->other->maybeThinking = TRUE;
8320 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8322 if (!pausing && appData.ringBellAfterMoves) {
8327 * Reenable menu items that were disabled while
8328 * machine was thinking
8330 if (gameMode != TwoMachinesPlay)
8331 SetUserThinkingEnables();
8333 // [HGM] book: after book hit opponent has received move and is now in force mode
8334 // force the book reply into it, and then fake that it outputted this move by jumping
8335 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8337 static char bookMove[MSG_SIZ]; // a bit generous?
8339 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8340 strcat(bookMove, bookHit);
8343 programStats.nodes = programStats.depth = programStats.time =
8344 programStats.score = programStats.got_only_move = 0;
8345 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8347 if(cps->lastPing != cps->lastPong) {
8348 savedMessage = message; // args for deferred call
8350 ScheduleDelayedEvent(DeferredBookMove, 10);
8359 /* Set special modes for chess engines. Later something general
8360 * could be added here; for now there is just one kludge feature,
8361 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8362 * when "xboard" is given as an interactive command.
8364 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8365 cps->useSigint = FALSE;
8366 cps->useSigterm = FALSE;
8368 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8369 ParseFeatures(message+8, cps);
8370 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8373 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8374 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8375 int dummy, s=6; char buf[MSG_SIZ];
8376 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8377 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8378 if(startedFromSetupPosition) return;
8379 ParseFEN(boards[0], &dummy, message+s);
8380 DrawPosition(TRUE, boards[0]);
8381 startedFromSetupPosition = TRUE;
8384 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8385 * want this, I was asked to put it in, and obliged.
8387 if (!strncmp(message, "setboard ", 9)) {
8388 Board initial_position;
8390 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8392 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8393 DisplayError(_("Bad FEN received from engine"), 0);
8397 CopyBoard(boards[0], initial_position);
8398 initialRulePlies = FENrulePlies;
8399 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8400 else gameMode = MachinePlaysBlack;
8401 DrawPosition(FALSE, boards[currentMove]);
8407 * Look for communication commands
8409 if (!strncmp(message, "telluser ", 9)) {
8410 if(message[9] == '\\' && message[10] == '\\')
8411 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8413 DisplayNote(message + 9);
8416 if (!strncmp(message, "tellusererror ", 14)) {
8418 if(message[14] == '\\' && message[15] == '\\')
8419 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8421 DisplayError(message + 14, 0);
8424 if (!strncmp(message, "tellopponent ", 13)) {
8425 if (appData.icsActive) {
8427 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8431 DisplayNote(message + 13);
8435 if (!strncmp(message, "tellothers ", 11)) {
8436 if (appData.icsActive) {
8438 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8444 if (!strncmp(message, "tellall ", 8)) {
8445 if (appData.icsActive) {
8447 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8451 DisplayNote(message + 8);
8455 if (strncmp(message, "warning", 7) == 0) {
8456 /* Undocumented feature, use tellusererror in new code */
8457 DisplayError(message, 0);
8460 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8461 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8462 strcat(realname, " query");
8463 AskQuestion(realname, buf2, buf1, cps->pr);
8466 /* Commands from the engine directly to ICS. We don't allow these to be
8467 * sent until we are logged on. Crafty kibitzes have been known to
8468 * interfere with the login process.
8471 if (!strncmp(message, "tellics ", 8)) {
8472 SendToICS(message + 8);
8476 if (!strncmp(message, "tellicsnoalias ", 15)) {
8477 SendToICS(ics_prefix);
8478 SendToICS(message + 15);
8482 /* The following are for backward compatibility only */
8483 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8484 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8485 SendToICS(ics_prefix);
8491 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8495 * If the move is illegal, cancel it and redraw the board.
8496 * Also deal with other error cases. Matching is rather loose
8497 * here to accommodate engines written before the spec.
8499 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8500 strncmp(message, "Error", 5) == 0) {
8501 if (StrStr(message, "name") ||
8502 StrStr(message, "rating") || StrStr(message, "?") ||
8503 StrStr(message, "result") || StrStr(message, "board") ||
8504 StrStr(message, "bk") || StrStr(message, "computer") ||
8505 StrStr(message, "variant") || StrStr(message, "hint") ||
8506 StrStr(message, "random") || StrStr(message, "depth") ||
8507 StrStr(message, "accepted")) {
8510 if (StrStr(message, "protover")) {
8511 /* Program is responding to input, so it's apparently done
8512 initializing, and this error message indicates it is
8513 protocol version 1. So we don't need to wait any longer
8514 for it to initialize and send feature commands. */
8515 FeatureDone(cps, 1);
8516 cps->protocolVersion = 1;
8519 cps->maybeThinking = FALSE;
8521 if (StrStr(message, "draw")) {
8522 /* Program doesn't have "draw" command */
8523 cps->sendDrawOffers = 0;
8526 if (cps->sendTime != 1 &&
8527 (StrStr(message, "time") || StrStr(message, "otim"))) {
8528 /* Program apparently doesn't have "time" or "otim" command */
8532 if (StrStr(message, "analyze")) {
8533 cps->analysisSupport = FALSE;
8534 cps->analyzing = FALSE;
8535 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8536 EditGameEvent(); // [HGM] try to preserve loaded game
8537 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8538 DisplayError(buf2, 0);
8541 if (StrStr(message, "(no matching move)st")) {
8542 /* Special kludge for GNU Chess 4 only */
8543 cps->stKludge = TRUE;
8544 SendTimeControl(cps, movesPerSession, timeControl,
8545 timeIncrement, appData.searchDepth,
8549 if (StrStr(message, "(no matching move)sd")) {
8550 /* Special kludge for GNU Chess 4 only */
8551 cps->sdKludge = TRUE;
8552 SendTimeControl(cps, movesPerSession, timeControl,
8553 timeIncrement, appData.searchDepth,
8557 if (!StrStr(message, "llegal")) {
8560 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8561 gameMode == IcsIdle) return;
8562 if (forwardMostMove <= backwardMostMove) return;
8563 if (pausing) PauseEvent();
8564 if(appData.forceIllegal) {
8565 // [HGM] illegal: machine refused move; force position after move into it
8566 SendToProgram("force\n", cps);
8567 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8568 // we have a real problem now, as SendBoard will use the a2a3 kludge
8569 // when black is to move, while there might be nothing on a2 or black
8570 // might already have the move. So send the board as if white has the move.
8571 // But first we must change the stm of the engine, as it refused the last move
8572 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8573 if(WhiteOnMove(forwardMostMove)) {
8574 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8575 SendBoard(cps, forwardMostMove); // kludgeless board
8577 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8578 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8579 SendBoard(cps, forwardMostMove+1); // kludgeless board
8581 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8582 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8583 gameMode == TwoMachinesPlay)
8584 SendToProgram("go\n", cps);
8587 if (gameMode == PlayFromGameFile) {
8588 /* Stop reading this game file */
8589 gameMode = EditGame;
8592 /* [HGM] illegal-move claim should forfeit game when Xboard */
8593 /* only passes fully legal moves */
8594 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8595 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8596 "False illegal-move claim", GE_XBOARD );
8597 return; // do not take back move we tested as valid
8599 currentMove = forwardMostMove-1;
8600 DisplayMove(currentMove-1); /* before DisplayMoveError */
8601 SwitchClocks(forwardMostMove-1); // [HGM] race
8602 DisplayBothClocks();
8603 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8604 parseList[currentMove], _(cps->which));
8605 DisplayMoveError(buf1);
8606 DrawPosition(FALSE, boards[currentMove]);
8608 SetUserThinkingEnables();
8611 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8612 /* Program has a broken "time" command that
8613 outputs a string not ending in newline.
8619 * If chess program startup fails, exit with an error message.
8620 * Attempts to recover here are futile. [HGM] Well, we try anyway
8622 if ((StrStr(message, "unknown host") != NULL)
8623 || (StrStr(message, "No remote directory") != NULL)
8624 || (StrStr(message, "not found") != NULL)
8625 || (StrStr(message, "No such file") != NULL)
8626 || (StrStr(message, "can't alloc") != NULL)
8627 || (StrStr(message, "Permission denied") != NULL)) {
8629 cps->maybeThinking = FALSE;
8630 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8631 _(cps->which), cps->program, cps->host, message);
8632 RemoveInputSource(cps->isr);
8633 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8634 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8635 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8641 * Look for hint output
8643 if (sscanf(message, "Hint: %s", buf1) == 1) {
8644 if (cps == &first && hintRequested) {
8645 hintRequested = FALSE;
8646 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8647 &fromX, &fromY, &toX, &toY, &promoChar)) {
8648 (void) CoordsToAlgebraic(boards[forwardMostMove],
8649 PosFlags(forwardMostMove),
8650 fromY, fromX, toY, toX, promoChar, buf1);
8651 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8652 DisplayInformation(buf2);
8654 /* Hint move could not be parsed!? */
8655 snprintf(buf2, sizeof(buf2),
8656 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8657 buf1, _(cps->which));
8658 DisplayError(buf2, 0);
8661 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8667 * Ignore other messages if game is not in progress
8669 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8670 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8673 * look for win, lose, draw, or draw offer
8675 if (strncmp(message, "1-0", 3) == 0) {
8676 char *p, *q, *r = "";
8677 p = strchr(message, '{');
8685 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8687 } else if (strncmp(message, "0-1", 3) == 0) {
8688 char *p, *q, *r = "";
8689 p = strchr(message, '{');
8697 /* Kludge for Arasan 4.1 bug */
8698 if (strcmp(r, "Black resigns") == 0) {
8699 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8702 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8704 } else if (strncmp(message, "1/2", 3) == 0) {
8705 char *p, *q, *r = "";
8706 p = strchr(message, '{');
8715 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8718 } else if (strncmp(message, "White resign", 12) == 0) {
8719 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8721 } else if (strncmp(message, "Black resign", 12) == 0) {
8722 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8724 } else if (strncmp(message, "White matches", 13) == 0 ||
8725 strncmp(message, "Black matches", 13) == 0 ) {
8726 /* [HGM] ignore GNUShogi noises */
8728 } else if (strncmp(message, "White", 5) == 0 &&
8729 message[5] != '(' &&
8730 StrStr(message, "Black") == NULL) {
8731 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8733 } else if (strncmp(message, "Black", 5) == 0 &&
8734 message[5] != '(') {
8735 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8737 } else if (strcmp(message, "resign") == 0 ||
8738 strcmp(message, "computer resigns") == 0) {
8740 case MachinePlaysBlack:
8741 case IcsPlayingBlack:
8742 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8744 case MachinePlaysWhite:
8745 case IcsPlayingWhite:
8746 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8748 case TwoMachinesPlay:
8749 if (cps->twoMachinesColor[0] == 'w')
8750 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8752 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8759 } else if (strncmp(message, "opponent mates", 14) == 0) {
8761 case MachinePlaysBlack:
8762 case IcsPlayingBlack:
8763 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8765 case MachinePlaysWhite:
8766 case IcsPlayingWhite:
8767 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8769 case TwoMachinesPlay:
8770 if (cps->twoMachinesColor[0] == 'w')
8771 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8773 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8780 } else if (strncmp(message, "computer mates", 14) == 0) {
8782 case MachinePlaysBlack:
8783 case IcsPlayingBlack:
8784 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8786 case MachinePlaysWhite:
8787 case IcsPlayingWhite:
8788 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8790 case TwoMachinesPlay:
8791 if (cps->twoMachinesColor[0] == 'w')
8792 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8794 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8801 } else if (strncmp(message, "checkmate", 9) == 0) {
8802 if (WhiteOnMove(forwardMostMove)) {
8803 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8805 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8808 } else if (strstr(message, "Draw") != NULL ||
8809 strstr(message, "game is a draw") != NULL) {
8810 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8812 } else if (strstr(message, "offer") != NULL &&
8813 strstr(message, "draw") != NULL) {
8815 if (appData.zippyPlay && first.initDone) {
8816 /* Relay offer to ICS */
8817 SendToICS(ics_prefix);
8818 SendToICS("draw\n");
8821 cps->offeredDraw = 2; /* valid until this engine moves twice */
8822 if (gameMode == TwoMachinesPlay) {
8823 if (cps->other->offeredDraw) {
8824 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8825 /* [HGM] in two-machine mode we delay relaying draw offer */
8826 /* until after we also have move, to see if it is really claim */
8828 } else if (gameMode == MachinePlaysWhite ||
8829 gameMode == MachinePlaysBlack) {
8830 if (userOfferedDraw) {
8831 DisplayInformation(_("Machine accepts your draw offer"));
8832 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8834 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8841 * Look for thinking output
8843 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8844 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8846 int plylev, mvleft, mvtot, curscore, time;
8847 char mvname[MOVE_LEN];
8851 int prefixHint = FALSE;
8852 mvname[0] = NULLCHAR;
8855 case MachinePlaysBlack:
8856 case IcsPlayingBlack:
8857 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8859 case MachinePlaysWhite:
8860 case IcsPlayingWhite:
8861 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8866 case IcsObserving: /* [DM] icsEngineAnalyze */
8867 if (!appData.icsEngineAnalyze) ignore = TRUE;
8869 case TwoMachinesPlay:
8870 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8880 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8882 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8883 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8885 if (plyext != ' ' && plyext != '\t') {
8889 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8890 if( cps->scoreIsAbsolute &&
8891 ( gameMode == MachinePlaysBlack ||
8892 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8893 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8894 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8895 !WhiteOnMove(currentMove)
8898 curscore = -curscore;
8901 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8903 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8906 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8907 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8908 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8909 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8910 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8911 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8913 } else DisplayError(_("failed writing PV"), 0);
8916 tempStats.depth = plylev;
8917 tempStats.nodes = nodes;
8918 tempStats.time = time;
8919 tempStats.score = curscore;
8920 tempStats.got_only_move = 0;
8922 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8925 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8926 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8927 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8928 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8929 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8930 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8931 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8932 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8935 /* Buffer overflow protection */
8936 if (pv[0] != NULLCHAR) {
8937 if (strlen(pv) >= sizeof(tempStats.movelist)
8938 && appData.debugMode) {
8940 "PV is too long; using the first %u bytes.\n",
8941 (unsigned) sizeof(tempStats.movelist) - 1);
8944 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8946 sprintf(tempStats.movelist, " no PV\n");
8949 if (tempStats.seen_stat) {
8950 tempStats.ok_to_send = 1;
8953 if (strchr(tempStats.movelist, '(') != NULL) {
8954 tempStats.line_is_book = 1;
8955 tempStats.nr_moves = 0;
8956 tempStats.moves_left = 0;
8958 tempStats.line_is_book = 0;
8961 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8962 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8964 SendProgramStatsToFrontend( cps, &tempStats );
8967 [AS] Protect the thinkOutput buffer from overflow... this
8968 is only useful if buf1 hasn't overflowed first!
8970 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8972 (gameMode == TwoMachinesPlay ?
8973 ToUpper(cps->twoMachinesColor[0]) : ' '),
8974 ((double) curscore) / 100.0,
8975 prefixHint ? lastHint : "",
8976 prefixHint ? " " : "" );
8978 if( buf1[0] != NULLCHAR ) {
8979 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8981 if( strlen(pv) > max_len ) {
8982 if( appData.debugMode) {
8983 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8985 pv[max_len+1] = '\0';
8988 strcat( thinkOutput, pv);
8991 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8992 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8993 DisplayMove(currentMove - 1);
8997 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8998 /* crafty (9.25+) says "(only move) <move>"
8999 * if there is only 1 legal move
9001 sscanf(p, "(only move) %s", buf1);
9002 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9003 sprintf(programStats.movelist, "%s (only move)", buf1);
9004 programStats.depth = 1;
9005 programStats.nr_moves = 1;
9006 programStats.moves_left = 1;
9007 programStats.nodes = 1;
9008 programStats.time = 1;
9009 programStats.got_only_move = 1;
9011 /* Not really, but we also use this member to
9012 mean "line isn't going to change" (Crafty
9013 isn't searching, so stats won't change) */
9014 programStats.line_is_book = 1;
9016 SendProgramStatsToFrontend( cps, &programStats );
9018 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9019 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9020 DisplayMove(currentMove - 1);
9023 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9024 &time, &nodes, &plylev, &mvleft,
9025 &mvtot, mvname) >= 5) {
9026 /* The stat01: line is from Crafty (9.29+) in response
9027 to the "." command */
9028 programStats.seen_stat = 1;
9029 cps->maybeThinking = TRUE;
9031 if (programStats.got_only_move || !appData.periodicUpdates)
9034 programStats.depth = plylev;
9035 programStats.time = time;
9036 programStats.nodes = nodes;
9037 programStats.moves_left = mvleft;
9038 programStats.nr_moves = mvtot;
9039 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9040 programStats.ok_to_send = 1;
9041 programStats.movelist[0] = '\0';
9043 SendProgramStatsToFrontend( cps, &programStats );
9047 } else if (strncmp(message,"++",2) == 0) {
9048 /* Crafty 9.29+ outputs this */
9049 programStats.got_fail = 2;
9052 } else if (strncmp(message,"--",2) == 0) {
9053 /* Crafty 9.29+ outputs this */
9054 programStats.got_fail = 1;
9057 } else if (thinkOutput[0] != NULLCHAR &&
9058 strncmp(message, " ", 4) == 0) {
9059 unsigned message_len;
9062 while (*p && *p == ' ') p++;
9064 message_len = strlen( p );
9066 /* [AS] Avoid buffer overflow */
9067 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9068 strcat(thinkOutput, " ");
9069 strcat(thinkOutput, p);
9072 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9073 strcat(programStats.movelist, " ");
9074 strcat(programStats.movelist, p);
9077 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9078 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9079 DisplayMove(currentMove - 1);
9087 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9088 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9090 ChessProgramStats cpstats;
9092 if (plyext != ' ' && plyext != '\t') {
9096 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9097 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9098 curscore = -curscore;
9101 cpstats.depth = plylev;
9102 cpstats.nodes = nodes;
9103 cpstats.time = time;
9104 cpstats.score = curscore;
9105 cpstats.got_only_move = 0;
9106 cpstats.movelist[0] = '\0';
9108 if (buf1[0] != NULLCHAR) {
9109 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9112 cpstats.ok_to_send = 0;
9113 cpstats.line_is_book = 0;
9114 cpstats.nr_moves = 0;
9115 cpstats.moves_left = 0;
9117 SendProgramStatsToFrontend( cps, &cpstats );
9124 /* Parse a game score from the character string "game", and
9125 record it as the history of the current game. The game
9126 score is NOT assumed to start from the standard position.
9127 The display is not updated in any way.
9130 ParseGameHistory (char *game)
9133 int fromX, fromY, toX, toY, boardIndex;
9138 if (appData.debugMode)
9139 fprintf(debugFP, "Parsing game history: %s\n", game);
9141 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9142 gameInfo.site = StrSave(appData.icsHost);
9143 gameInfo.date = PGNDate();
9144 gameInfo.round = StrSave("-");
9146 /* Parse out names of players */
9147 while (*game == ' ') game++;
9149 while (*game != ' ') *p++ = *game++;
9151 gameInfo.white = StrSave(buf);
9152 while (*game == ' ') game++;
9154 while (*game != ' ' && *game != '\n') *p++ = *game++;
9156 gameInfo.black = StrSave(buf);
9159 boardIndex = blackPlaysFirst ? 1 : 0;
9162 yyboardindex = boardIndex;
9163 moveType = (ChessMove) Myylex();
9165 case IllegalMove: /* maybe suicide chess, etc. */
9166 if (appData.debugMode) {
9167 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9168 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9169 setbuf(debugFP, NULL);
9171 case WhitePromotion:
9172 case BlackPromotion:
9173 case WhiteNonPromotion:
9174 case BlackNonPromotion:
9176 case WhiteCapturesEnPassant:
9177 case BlackCapturesEnPassant:
9178 case WhiteKingSideCastle:
9179 case WhiteQueenSideCastle:
9180 case BlackKingSideCastle:
9181 case BlackQueenSideCastle:
9182 case WhiteKingSideCastleWild:
9183 case WhiteQueenSideCastleWild:
9184 case BlackKingSideCastleWild:
9185 case BlackQueenSideCastleWild:
9187 case WhiteHSideCastleFR:
9188 case WhiteASideCastleFR:
9189 case BlackHSideCastleFR:
9190 case BlackASideCastleFR:
9192 fromX = currentMoveString[0] - AAA;
9193 fromY = currentMoveString[1] - ONE;
9194 toX = currentMoveString[2] - AAA;
9195 toY = currentMoveString[3] - ONE;
9196 promoChar = currentMoveString[4];
9200 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9201 fromX = moveType == WhiteDrop ?
9202 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9203 (int) CharToPiece(ToLower(currentMoveString[0]));
9205 toX = currentMoveString[2] - AAA;
9206 toY = currentMoveString[3] - ONE;
9207 promoChar = NULLCHAR;
9211 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9212 if (appData.debugMode) {
9213 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9214 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9215 setbuf(debugFP, NULL);
9217 DisplayError(buf, 0);
9219 case ImpossibleMove:
9221 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9222 if (appData.debugMode) {
9223 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9224 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9225 setbuf(debugFP, NULL);
9227 DisplayError(buf, 0);
9230 if (boardIndex < backwardMostMove) {
9231 /* Oops, gap. How did that happen? */
9232 DisplayError(_("Gap in move list"), 0);
9235 backwardMostMove = blackPlaysFirst ? 1 : 0;
9236 if (boardIndex > forwardMostMove) {
9237 forwardMostMove = boardIndex;
9241 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9242 strcat(parseList[boardIndex-1], " ");
9243 strcat(parseList[boardIndex-1], yy_text);
9255 case GameUnfinished:
9256 if (gameMode == IcsExamining) {
9257 if (boardIndex < backwardMostMove) {
9258 /* Oops, gap. How did that happen? */
9261 backwardMostMove = blackPlaysFirst ? 1 : 0;
9264 gameInfo.result = moveType;
9265 p = strchr(yy_text, '{');
9266 if (p == NULL) p = strchr(yy_text, '(');
9269 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9271 q = strchr(p, *p == '{' ? '}' : ')');
9272 if (q != NULL) *q = NULLCHAR;
9275 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9276 gameInfo.resultDetails = StrSave(p);
9279 if (boardIndex >= forwardMostMove &&
9280 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9281 backwardMostMove = blackPlaysFirst ? 1 : 0;
9284 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9285 fromY, fromX, toY, toX, promoChar,
9286 parseList[boardIndex]);
9287 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9288 /* currentMoveString is set as a side-effect of yylex */
9289 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9290 strcat(moveList[boardIndex], "\n");
9292 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9293 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9299 if(gameInfo.variant != VariantShogi)
9300 strcat(parseList[boardIndex - 1], "+");
9304 strcat(parseList[boardIndex - 1], "#");
9311 /* Apply a move to the given board */
9313 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9315 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9316 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9318 /* [HGM] compute & store e.p. status and castling rights for new position */
9319 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9321 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9322 oldEP = (signed char)board[EP_STATUS];
9323 board[EP_STATUS] = EP_NONE;
9325 if (fromY == DROP_RANK) {
9327 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9328 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9331 piece = board[toY][toX] = (ChessSquare) fromX;
9335 if( board[toY][toX] != EmptySquare )
9336 board[EP_STATUS] = EP_CAPTURE;
9338 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9339 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9340 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9342 if( board[fromY][fromX] == WhitePawn ) {
9343 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9344 board[EP_STATUS] = EP_PAWN_MOVE;
9346 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9347 gameInfo.variant != VariantBerolina || toX < fromX)
9348 board[EP_STATUS] = toX | berolina;
9349 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9350 gameInfo.variant != VariantBerolina || toX > fromX)
9351 board[EP_STATUS] = toX;
9354 if( board[fromY][fromX] == BlackPawn ) {
9355 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9356 board[EP_STATUS] = EP_PAWN_MOVE;
9357 if( toY-fromY== -2) {
9358 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9359 gameInfo.variant != VariantBerolina || toX < fromX)
9360 board[EP_STATUS] = toX | berolina;
9361 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9362 gameInfo.variant != VariantBerolina || toX > fromX)
9363 board[EP_STATUS] = toX;
9367 for(i=0; i<nrCastlingRights; i++) {
9368 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9369 board[CASTLING][i] == toX && castlingRank[i] == toY
9370 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9373 if(gameInfo.variant == VariantSChess) { // update virginity
9374 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9375 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9376 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9377 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9380 if (fromX == toX && fromY == toY) return;
9382 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9383 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9384 if(gameInfo.variant == VariantKnightmate)
9385 king += (int) WhiteUnicorn - (int) WhiteKing;
9387 /* Code added by Tord: */
9388 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9389 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9390 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9391 board[fromY][fromX] = EmptySquare;
9392 board[toY][toX] = EmptySquare;
9393 if((toX > fromX) != (piece == WhiteRook)) {
9394 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9396 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9398 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9399 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9400 board[fromY][fromX] = EmptySquare;
9401 board[toY][toX] = EmptySquare;
9402 if((toX > fromX) != (piece == BlackRook)) {
9403 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9405 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9407 /* End of code added by Tord */
9409 } else if (board[fromY][fromX] == king
9410 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9411 && toY == fromY && toX > fromX+1) {
9412 board[fromY][fromX] = EmptySquare;
9413 board[toY][toX] = king;
9414 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9415 board[fromY][BOARD_RGHT-1] = EmptySquare;
9416 } else if (board[fromY][fromX] == king
9417 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9418 && toY == fromY && toX < fromX-1) {
9419 board[fromY][fromX] = EmptySquare;
9420 board[toY][toX] = king;
9421 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9422 board[fromY][BOARD_LEFT] = EmptySquare;
9423 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9424 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9425 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9427 /* white pawn promotion */
9428 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9429 if(gameInfo.variant==VariantBughouse ||
9430 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9431 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9432 board[fromY][fromX] = EmptySquare;
9433 } else if ((fromY >= BOARD_HEIGHT>>1)
9435 && gameInfo.variant != VariantXiangqi
9436 && gameInfo.variant != VariantBerolina
9437 && (board[fromY][fromX] == WhitePawn)
9438 && (board[toY][toX] == EmptySquare)) {
9439 board[fromY][fromX] = EmptySquare;
9440 board[toY][toX] = WhitePawn;
9441 captured = board[toY - 1][toX];
9442 board[toY - 1][toX] = EmptySquare;
9443 } else if ((fromY == BOARD_HEIGHT-4)
9445 && gameInfo.variant == VariantBerolina
9446 && (board[fromY][fromX] == WhitePawn)
9447 && (board[toY][toX] == EmptySquare)) {
9448 board[fromY][fromX] = EmptySquare;
9449 board[toY][toX] = WhitePawn;
9450 if(oldEP & EP_BEROLIN_A) {
9451 captured = board[fromY][fromX-1];
9452 board[fromY][fromX-1] = EmptySquare;
9453 }else{ captured = board[fromY][fromX+1];
9454 board[fromY][fromX+1] = EmptySquare;
9456 } else if (board[fromY][fromX] == king
9457 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9458 && toY == fromY && toX > fromX+1) {
9459 board[fromY][fromX] = EmptySquare;
9460 board[toY][toX] = king;
9461 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9462 board[fromY][BOARD_RGHT-1] = EmptySquare;
9463 } else if (board[fromY][fromX] == king
9464 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9465 && toY == fromY && toX < fromX-1) {
9466 board[fromY][fromX] = EmptySquare;
9467 board[toY][toX] = king;
9468 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9469 board[fromY][BOARD_LEFT] = EmptySquare;
9470 } else if (fromY == 7 && fromX == 3
9471 && board[fromY][fromX] == BlackKing
9472 && toY == 7 && toX == 5) {
9473 board[fromY][fromX] = EmptySquare;
9474 board[toY][toX] = BlackKing;
9475 board[fromY][7] = EmptySquare;
9476 board[toY][4] = BlackRook;
9477 } else if (fromY == 7 && fromX == 3
9478 && board[fromY][fromX] == BlackKing
9479 && toY == 7 && toX == 1) {
9480 board[fromY][fromX] = EmptySquare;
9481 board[toY][toX] = BlackKing;
9482 board[fromY][0] = EmptySquare;
9483 board[toY][2] = BlackRook;
9484 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9485 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9486 && toY < promoRank && promoChar
9488 /* black pawn promotion */
9489 board[toY][toX] = CharToPiece(ToLower(promoChar));
9490 if(gameInfo.variant==VariantBughouse ||
9491 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9492 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9493 board[fromY][fromX] = EmptySquare;
9494 } else if ((fromY < BOARD_HEIGHT>>1)
9496 && gameInfo.variant != VariantXiangqi
9497 && gameInfo.variant != VariantBerolina
9498 && (board[fromY][fromX] == BlackPawn)
9499 && (board[toY][toX] == EmptySquare)) {
9500 board[fromY][fromX] = EmptySquare;
9501 board[toY][toX] = BlackPawn;
9502 captured = board[toY + 1][toX];
9503 board[toY + 1][toX] = EmptySquare;
9504 } else if ((fromY == 3)
9506 && gameInfo.variant == VariantBerolina
9507 && (board[fromY][fromX] == BlackPawn)
9508 && (board[toY][toX] == EmptySquare)) {
9509 board[fromY][fromX] = EmptySquare;
9510 board[toY][toX] = BlackPawn;
9511 if(oldEP & EP_BEROLIN_A) {
9512 captured = board[fromY][fromX-1];
9513 board[fromY][fromX-1] = EmptySquare;
9514 }else{ captured = board[fromY][fromX+1];
9515 board[fromY][fromX+1] = EmptySquare;
9518 board[toY][toX] = board[fromY][fromX];
9519 board[fromY][fromX] = EmptySquare;
9523 if (gameInfo.holdingsWidth != 0) {
9525 /* !!A lot more code needs to be written to support holdings */
9526 /* [HGM] OK, so I have written it. Holdings are stored in the */
9527 /* penultimate board files, so they are automaticlly stored */
9528 /* in the game history. */
9529 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9530 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9531 /* Delete from holdings, by decreasing count */
9532 /* and erasing image if necessary */
9533 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9534 if(p < (int) BlackPawn) { /* white drop */
9535 p -= (int)WhitePawn;
9536 p = PieceToNumber((ChessSquare)p);
9537 if(p >= gameInfo.holdingsSize) p = 0;
9538 if(--board[p][BOARD_WIDTH-2] <= 0)
9539 board[p][BOARD_WIDTH-1] = EmptySquare;
9540 if((int)board[p][BOARD_WIDTH-2] < 0)
9541 board[p][BOARD_WIDTH-2] = 0;
9542 } else { /* black drop */
9543 p -= (int)BlackPawn;
9544 p = PieceToNumber((ChessSquare)p);
9545 if(p >= gameInfo.holdingsSize) p = 0;
9546 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9547 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9548 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9549 board[BOARD_HEIGHT-1-p][1] = 0;
9552 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9553 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9554 /* [HGM] holdings: Add to holdings, if holdings exist */
9555 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9556 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9557 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9560 if (p >= (int) BlackPawn) {
9561 p -= (int)BlackPawn;
9562 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9563 /* in Shogi restore piece to its original first */
9564 captured = (ChessSquare) (DEMOTED captured);
9567 p = PieceToNumber((ChessSquare)p);
9568 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9569 board[p][BOARD_WIDTH-2]++;
9570 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9572 p -= (int)WhitePawn;
9573 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9574 captured = (ChessSquare) (DEMOTED captured);
9577 p = PieceToNumber((ChessSquare)p);
9578 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9579 board[BOARD_HEIGHT-1-p][1]++;
9580 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9583 } else if (gameInfo.variant == VariantAtomic) {
9584 if (captured != EmptySquare) {
9586 for (y = toY-1; y <= toY+1; y++) {
9587 for (x = toX-1; x <= toX+1; x++) {
9588 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9589 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9590 board[y][x] = EmptySquare;
9594 board[toY][toX] = EmptySquare;
9597 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9598 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9600 if(promoChar == '+') {
9601 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9602 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9603 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9604 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9605 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9606 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9607 board[toY][toX] = newPiece;
9609 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9610 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9611 // [HGM] superchess: take promotion piece out of holdings
9612 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9613 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9614 if(!--board[k][BOARD_WIDTH-2])
9615 board[k][BOARD_WIDTH-1] = EmptySquare;
9617 if(!--board[BOARD_HEIGHT-1-k][1])
9618 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9624 /* Updates forwardMostMove */
9626 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9628 // forwardMostMove++; // [HGM] bare: moved downstream
9630 (void) CoordsToAlgebraic(boards[forwardMostMove],
9631 PosFlags(forwardMostMove),
9632 fromY, fromX, toY, toX, promoChar,
9633 parseList[forwardMostMove]);
9635 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9636 int timeLeft; static int lastLoadFlag=0; int king, piece;
9637 piece = boards[forwardMostMove][fromY][fromX];
9638 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9639 if(gameInfo.variant == VariantKnightmate)
9640 king += (int) WhiteUnicorn - (int) WhiteKing;
9641 if(forwardMostMove == 0) {
9642 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9643 fprintf(serverMoves, "%s;", UserName());
9644 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9645 fprintf(serverMoves, "%s;", second.tidy);
9646 fprintf(serverMoves, "%s;", first.tidy);
9647 if(gameMode == MachinePlaysWhite)
9648 fprintf(serverMoves, "%s;", UserName());
9649 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9650 fprintf(serverMoves, "%s;", second.tidy);
9651 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9652 lastLoadFlag = loadFlag;
9654 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9655 // print castling suffix
9656 if( toY == fromY && piece == king ) {
9658 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9660 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9663 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9664 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9665 boards[forwardMostMove][toY][toX] == EmptySquare
9666 && fromX != toX && fromY != toY)
9667 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9669 if(promoChar != NULLCHAR) {
9670 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9671 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9672 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9673 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9676 char buf[MOVE_LEN*2], *p; int len;
9677 fprintf(serverMoves, "/%d/%d",
9678 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9679 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9680 else timeLeft = blackTimeRemaining/1000;
9681 fprintf(serverMoves, "/%d", timeLeft);
9682 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9683 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9684 if(p = strchr(buf, '=')) *p = NULLCHAR;
9685 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9686 fprintf(serverMoves, "/%s", buf);
9688 fflush(serverMoves);
9691 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9692 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9695 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9696 if (commentList[forwardMostMove+1] != NULL) {
9697 free(commentList[forwardMostMove+1]);
9698 commentList[forwardMostMove+1] = NULL;
9700 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9701 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9702 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9703 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9704 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9705 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9706 adjustedClock = FALSE;
9707 gameInfo.result = GameUnfinished;
9708 if (gameInfo.resultDetails != NULL) {
9709 free(gameInfo.resultDetails);
9710 gameInfo.resultDetails = NULL;
9712 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9713 moveList[forwardMostMove - 1]);
9714 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9720 if(gameInfo.variant != VariantShogi)
9721 strcat(parseList[forwardMostMove - 1], "+");
9725 strcat(parseList[forwardMostMove - 1], "#");
9731 /* Updates currentMove if not pausing */
9733 ShowMove (int fromX, int fromY, int toX, int toY)
9735 int instant = (gameMode == PlayFromGameFile) ?
9736 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9737 if(appData.noGUI) return;
9738 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9740 if (forwardMostMove == currentMove + 1) {
9741 AnimateMove(boards[forwardMostMove - 1],
9742 fromX, fromY, toX, toY);
9745 currentMove = forwardMostMove;
9748 if (instant) return;
9750 DisplayMove(currentMove - 1);
9751 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9752 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9753 SetHighlights(fromX, fromY, toX, toY);
9756 DrawPosition(FALSE, boards[currentMove]);
9757 DisplayBothClocks();
9758 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9762 SendEgtPath (ChessProgramState *cps)
9763 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9764 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9766 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9769 char c, *q = name+1, *r, *s;
9771 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9772 while(*p && *p != ',') *q++ = *p++;
9774 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9775 strcmp(name, ",nalimov:") == 0 ) {
9776 // take nalimov path from the menu-changeable option first, if it is defined
9777 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9778 SendToProgram(buf,cps); // send egtbpath command for nalimov
9780 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9781 (s = StrStr(appData.egtFormats, name)) != NULL) {
9782 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9783 s = r = StrStr(s, ":") + 1; // beginning of path info
9784 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9785 c = *r; *r = 0; // temporarily null-terminate path info
9786 *--q = 0; // strip of trailig ':' from name
9787 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9789 SendToProgram(buf,cps); // send egtbpath command for this format
9791 if(*p == ',') p++; // read away comma to position for next format name
9796 InitChessProgram (ChessProgramState *cps, int setup)
9797 /* setup needed to setup FRC opening position */
9799 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9800 if (appData.noChessProgram) return;
9801 hintRequested = FALSE;
9802 bookRequested = FALSE;
9804 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9805 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9806 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9807 if(cps->memSize) { /* [HGM] memory */
9808 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9809 SendToProgram(buf, cps);
9811 SendEgtPath(cps); /* [HGM] EGT */
9812 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9813 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9814 SendToProgram(buf, cps);
9817 SendToProgram(cps->initString, cps);
9818 if (gameInfo.variant != VariantNormal &&
9819 gameInfo.variant != VariantLoadable
9820 /* [HGM] also send variant if board size non-standard */
9821 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9823 char *v = VariantName(gameInfo.variant);
9824 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9825 /* [HGM] in protocol 1 we have to assume all variants valid */
9826 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9827 DisplayFatalError(buf, 0, 1);
9831 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9832 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9833 if( gameInfo.variant == VariantXiangqi )
9834 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9835 if( gameInfo.variant == VariantShogi )
9836 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9837 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9838 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9839 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9840 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9841 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9842 if( gameInfo.variant == VariantCourier )
9843 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9844 if( gameInfo.variant == VariantSuper )
9845 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9846 if( gameInfo.variant == VariantGreat )
9847 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9848 if( gameInfo.variant == VariantSChess )
9849 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9850 if( gameInfo.variant == VariantGrand )
9851 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9854 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9855 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9856 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9857 if(StrStr(cps->variants, b) == NULL) {
9858 // specific sized variant not known, check if general sizing allowed
9859 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9860 if(StrStr(cps->variants, "boardsize") == NULL) {
9861 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9862 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9863 DisplayFatalError(buf, 0, 1);
9866 /* [HGM] here we really should compare with the maximum supported board size */
9869 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9870 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9871 SendToProgram(buf, cps);
9873 currentlyInitializedVariant = gameInfo.variant;
9875 /* [HGM] send opening position in FRC to first engine */
9877 SendToProgram("force\n", cps);
9879 /* engine is now in force mode! Set flag to wake it up after first move. */
9880 setboardSpoiledMachineBlack = 1;
9884 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9885 SendToProgram(buf, cps);
9887 cps->maybeThinking = FALSE;
9888 cps->offeredDraw = 0;
9889 if (!appData.icsActive) {
9890 SendTimeControl(cps, movesPerSession, timeControl,
9891 timeIncrement, appData.searchDepth,
9894 if (appData.showThinking
9895 // [HGM] thinking: four options require thinking output to be sent
9896 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9898 SendToProgram("post\n", cps);
9900 SendToProgram("hard\n", cps);
9901 if (!appData.ponderNextMove) {
9902 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9903 it without being sure what state we are in first. "hard"
9904 is not a toggle, so that one is OK.
9906 SendToProgram("easy\n", cps);
9909 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9910 SendToProgram(buf, cps);
9912 cps->initDone = TRUE;
9913 ClearEngineOutputPane(cps == &second);
9918 StartChessProgram (ChessProgramState *cps)
9923 if (appData.noChessProgram) return;
9924 cps->initDone = FALSE;
9926 if (strcmp(cps->host, "localhost") == 0) {
9927 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9928 } else if (*appData.remoteShell == NULLCHAR) {
9929 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9931 if (*appData.remoteUser == NULLCHAR) {
9932 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9935 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9936 cps->host, appData.remoteUser, cps->program);
9938 err = StartChildProcess(buf, "", &cps->pr);
9942 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9943 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9944 if(cps != &first) return;
9945 appData.noChessProgram = TRUE;
9948 // DisplayFatalError(buf, err, 1);
9949 // cps->pr = NoProc;
9954 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9955 if (cps->protocolVersion > 1) {
9956 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9957 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9958 cps->comboCnt = 0; // and values of combo boxes
9959 SendToProgram(buf, cps);
9961 SendToProgram("xboard\n", cps);
9966 TwoMachinesEventIfReady P((void))
9968 static int curMess = 0;
9969 if (first.lastPing != first.lastPong) {
9970 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9971 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9974 if (second.lastPing != second.lastPong) {
9975 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9976 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9979 DisplayMessage("", ""); curMess = 0;
9985 MakeName (char *template)
9989 static char buf[MSG_SIZ];
9993 clock = time((time_t *)NULL);
9994 tm = localtime(&clock);
9996 while(*p++ = *template++) if(p[-1] == '%') {
9997 switch(*template++) {
9998 case 0: *p = 0; return buf;
9999 case 'Y': i = tm->tm_year+1900; break;
10000 case 'y': i = tm->tm_year-100; break;
10001 case 'M': i = tm->tm_mon+1; break;
10002 case 'd': i = tm->tm_mday; break;
10003 case 'h': i = tm->tm_hour; break;
10004 case 'm': i = tm->tm_min; break;
10005 case 's': i = tm->tm_sec; break;
10008 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10014 CountPlayers (char *p)
10017 while(p = strchr(p, '\n')) p++, n++; // count participants
10022 WriteTourneyFile (char *results, FILE *f)
10023 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10024 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10025 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10026 // create a file with tournament description
10027 fprintf(f, "-participants {%s}\n", appData.participants);
10028 fprintf(f, "-seedBase %d\n", appData.seedBase);
10029 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10030 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10031 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10032 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10033 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10034 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10035 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10036 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10037 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10038 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10039 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10040 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10042 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10044 fprintf(f, "-mps %d\n", appData.movesPerSession);
10045 fprintf(f, "-tc %s\n", appData.timeControl);
10046 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10048 fprintf(f, "-results \"%s\"\n", results);
10053 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10056 Substitute (char *participants, int expunge)
10058 int i, changed, changes=0, nPlayers=0;
10059 char *p, *q, *r, buf[MSG_SIZ];
10060 if(participants == NULL) return;
10061 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10062 r = p = participants; q = appData.participants;
10063 while(*p && *p == *q) {
10064 if(*p == '\n') r = p+1, nPlayers++;
10067 if(*p) { // difference
10068 while(*p && *p++ != '\n');
10069 while(*q && *q++ != '\n');
10070 changed = nPlayers;
10071 changes = 1 + (strcmp(p, q) != 0);
10073 if(changes == 1) { // a single engine mnemonic was changed
10074 q = r; while(*q) nPlayers += (*q++ == '\n');
10075 p = buf; while(*r && (*p = *r++) != '\n') p++;
10077 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10078 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10079 if(mnemonic[i]) { // The substitute is valid
10081 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10082 flock(fileno(f), LOCK_EX);
10083 ParseArgsFromFile(f);
10084 fseek(f, 0, SEEK_SET);
10085 FREE(appData.participants); appData.participants = participants;
10086 if(expunge) { // erase results of replaced engine
10087 int len = strlen(appData.results), w, b, dummy;
10088 for(i=0; i<len; i++) {
10089 Pairing(i, nPlayers, &w, &b, &dummy);
10090 if((w == changed || b == changed) && appData.results[i] == '*') {
10091 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10096 for(i=0; i<len; i++) {
10097 Pairing(i, nPlayers, &w, &b, &dummy);
10098 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10101 WriteTourneyFile(appData.results, f);
10102 fclose(f); // release lock
10105 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10107 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10108 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10109 free(participants);
10114 CheckPlayers (char *participants)
10117 char buf[MSG_SIZ], *p;
10118 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10119 while(p = strchr(participants, '\n')) {
10121 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10123 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10125 DisplayError(buf, 0);
10129 participants = p + 1;
10135 CreateTourney (char *name)
10138 if(matchMode && strcmp(name, appData.tourneyFile)) {
10139 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10141 if(name[0] == NULLCHAR) {
10142 if(appData.participants[0])
10143 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10146 f = fopen(name, "r");
10147 if(f) { // file exists
10148 ASSIGN(appData.tourneyFile, name);
10149 ParseArgsFromFile(f); // parse it
10151 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10152 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10153 DisplayError(_("Not enough participants"), 0);
10156 if(CheckPlayers(appData.participants)) return 0;
10157 ASSIGN(appData.tourneyFile, name);
10158 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10159 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10162 appData.noChessProgram = FALSE;
10163 appData.clockMode = TRUE;
10169 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10171 char buf[MSG_SIZ], *p, *q;
10172 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10173 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10174 skip = !all && group[0]; // if group requested, we start in skip mode
10175 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10176 p = names; q = buf; header = 0;
10177 while(*p && *p != '\n') *q++ = *p++;
10179 if(*p == '\n') p++;
10180 if(buf[0] == '#') {
10181 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10182 depth++; // we must be entering a new group
10183 if(all) continue; // suppress printing group headers when complete list requested
10185 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10187 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10188 if(engineList[i]) free(engineList[i]);
10189 engineList[i] = strdup(buf);
10190 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10191 if(engineMnemonic[i]) free(engineMnemonic[i]);
10192 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10194 sscanf(q + 8, "%s", buf + strlen(buf));
10197 engineMnemonic[i] = strdup(buf);
10200 engineList[i] = engineMnemonic[i] = NULL;
10204 // following implemented as macro to avoid type limitations
10205 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10208 SwapEngines (int n)
10209 { // swap settings for first engine and other engine (so far only some selected options)
10214 SWAP(chessProgram, p)
10216 SWAP(hasOwnBookUCI, h)
10217 SWAP(protocolVersion, h)
10219 SWAP(scoreIsAbsolute, h)
10224 SWAP(engOptions, p)
10225 SWAP(engInitString, p)
10226 SWAP(computerString, p)
10228 SWAP(fenOverride, p)
10230 SWAP(accumulateTC, h)
10235 GetEngineLine (char *s, int n)
10239 extern char *icsNames;
10240 if(!s || !*s) return 0;
10241 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10242 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10243 if(!mnemonic[i]) return 0;
10244 if(n == 11) return 1; // just testing if there was a match
10245 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10246 if(n == 1) SwapEngines(n);
10247 ParseArgsFromString(buf);
10248 if(n == 1) SwapEngines(n);
10249 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10250 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10251 ParseArgsFromString(buf);
10257 SetPlayer (int player, char *p)
10258 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10260 char buf[MSG_SIZ], *engineName;
10261 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10262 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10263 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10265 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10266 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10267 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10268 ParseArgsFromString(buf);
10274 char *recentEngines;
10277 RecentEngineEvent (int nr)
10280 // SwapEngines(1); // bump first to second
10281 // ReplaceEngine(&second, 1); // and load it there
10282 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10283 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10284 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10285 ReplaceEngine(&first, 0);
10286 FloatToFront(&appData.recentEngineList, command[n]);
10291 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10292 { // determine players from game number
10293 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10295 if(appData.tourneyType == 0) {
10296 roundsPerCycle = (nPlayers - 1) | 1;
10297 pairingsPerRound = nPlayers / 2;
10298 } else if(appData.tourneyType > 0) {
10299 roundsPerCycle = nPlayers - appData.tourneyType;
10300 pairingsPerRound = appData.tourneyType;
10302 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10303 gamesPerCycle = gamesPerRound * roundsPerCycle;
10304 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10305 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10306 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10307 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10308 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10309 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10311 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10312 if(appData.roundSync) *syncInterval = gamesPerRound;
10314 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10316 if(appData.tourneyType == 0) {
10317 if(curPairing == (nPlayers-1)/2 ) {
10318 *whitePlayer = curRound;
10319 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10321 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10322 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10323 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10324 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10326 } else if(appData.tourneyType > 1) {
10327 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10328 *whitePlayer = curRound + appData.tourneyType;
10329 } else if(appData.tourneyType > 0) {
10330 *whitePlayer = curPairing;
10331 *blackPlayer = curRound + appData.tourneyType;
10334 // take care of white/black alternation per round.
10335 // For cycles and games this is already taken care of by default, derived from matchGame!
10336 return curRound & 1;
10340 NextTourneyGame (int nr, int *swapColors)
10341 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10343 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10345 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10346 tf = fopen(appData.tourneyFile, "r");
10347 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10348 ParseArgsFromFile(tf); fclose(tf);
10349 InitTimeControls(); // TC might be altered from tourney file
10351 nPlayers = CountPlayers(appData.participants); // count participants
10352 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10353 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10356 p = q = appData.results;
10357 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10358 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10359 DisplayMessage(_("Waiting for other game(s)"),"");
10360 waitingForGame = TRUE;
10361 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10364 waitingForGame = FALSE;
10367 if(appData.tourneyType < 0) {
10368 if(nr>=0 && !pairingReceived) {
10370 if(pairing.pr == NoProc) {
10371 if(!appData.pairingEngine[0]) {
10372 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10375 StartChessProgram(&pairing); // starts the pairing engine
10377 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10378 SendToProgram(buf, &pairing);
10379 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10380 SendToProgram(buf, &pairing);
10381 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10383 pairingReceived = 0; // ... so we continue here
10385 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10386 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10387 matchGame = 1; roundNr = nr / syncInterval + 1;
10390 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10392 // redefine engines, engine dir, etc.
10393 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10394 if(first.pr == NoProc) {
10395 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10396 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10398 if(second.pr == NoProc) {
10400 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10401 SwapEngines(1); // and make that valid for second engine by swapping
10402 InitEngine(&second, 1);
10404 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10405 UpdateLogos(FALSE); // leave display to ModeHiglight()
10411 { // performs game initialization that does not invoke engines, and then tries to start the game
10412 int res, firstWhite, swapColors = 0;
10413 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10414 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
10416 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10417 if(strcmp(buf, currentDebugFile)) { // name has changed
10418 FILE *f = fopen(buf, "w");
10419 if(f) { // if opening the new file failed, just keep using the old one
10420 ASSIGN(currentDebugFile, buf);
10424 if(appData.serverFileName) {
10425 if(serverFP) fclose(serverFP);
10426 serverFP = fopen(appData.serverFileName, "w");
10427 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10428 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10432 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10433 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10434 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10435 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10436 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10437 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10438 Reset(FALSE, first.pr != NoProc);
10439 res = LoadGameOrPosition(matchGame); // setup game
10440 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10441 if(!res) return; // abort when bad game/pos file
10442 TwoMachinesEvent();
10446 UserAdjudicationEvent (int result)
10448 ChessMove gameResult = GameIsDrawn;
10451 gameResult = WhiteWins;
10453 else if( result < 0 ) {
10454 gameResult = BlackWins;
10457 if( gameMode == TwoMachinesPlay ) {
10458 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10463 // [HGM] save: calculate checksum of game to make games easily identifiable
10465 StringCheckSum (char *s)
10468 if(s==NULL) return 0;
10469 while(*s) i = i*259 + *s++;
10477 for(i=backwardMostMove; i<forwardMostMove; i++) {
10478 sum += pvInfoList[i].depth;
10479 sum += StringCheckSum(parseList[i]);
10480 sum += StringCheckSum(commentList[i]);
10483 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10484 return sum + StringCheckSum(commentList[i]);
10485 } // end of save patch
10488 GameEnds (ChessMove result, char *resultDetails, int whosays)
10490 GameMode nextGameMode;
10492 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10494 if(endingGame) return; /* [HGM] crash: forbid recursion */
10496 if(twoBoards) { // [HGM] dual: switch back to one board
10497 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10498 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10500 if (appData.debugMode) {
10501 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10502 result, resultDetails ? resultDetails : "(null)", whosays);
10505 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10507 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10508 /* If we are playing on ICS, the server decides when the
10509 game is over, but the engine can offer to draw, claim
10513 if (appData.zippyPlay && first.initDone) {
10514 if (result == GameIsDrawn) {
10515 /* In case draw still needs to be claimed */
10516 SendToICS(ics_prefix);
10517 SendToICS("draw\n");
10518 } else if (StrCaseStr(resultDetails, "resign")) {
10519 SendToICS(ics_prefix);
10520 SendToICS("resign\n");
10524 endingGame = 0; /* [HGM] crash */
10528 /* If we're loading the game from a file, stop */
10529 if (whosays == GE_FILE) {
10530 (void) StopLoadGameTimer();
10534 /* Cancel draw offers */
10535 first.offeredDraw = second.offeredDraw = 0;
10537 /* If this is an ICS game, only ICS can really say it's done;
10538 if not, anyone can. */
10539 isIcsGame = (gameMode == IcsPlayingWhite ||
10540 gameMode == IcsPlayingBlack ||
10541 gameMode == IcsObserving ||
10542 gameMode == IcsExamining);
10544 if (!isIcsGame || whosays == GE_ICS) {
10545 /* OK -- not an ICS game, or ICS said it was done */
10547 if (!isIcsGame && !appData.noChessProgram)
10548 SetUserThinkingEnables();
10550 /* [HGM] if a machine claims the game end we verify this claim */
10551 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10552 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10554 ChessMove trueResult = (ChessMove) -1;
10556 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10557 first.twoMachinesColor[0] :
10558 second.twoMachinesColor[0] ;
10560 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10561 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10562 /* [HGM] verify: engine mate claims accepted if they were flagged */
10563 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10565 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10566 /* [HGM] verify: engine mate claims accepted if they were flagged */
10567 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10569 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10570 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10573 // now verify win claims, but not in drop games, as we don't understand those yet
10574 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10575 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10576 (result == WhiteWins && claimer == 'w' ||
10577 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10578 if (appData.debugMode) {
10579 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10580 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10582 if(result != trueResult) {
10583 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10584 result = claimer == 'w' ? BlackWins : WhiteWins;
10585 resultDetails = buf;
10588 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10589 && (forwardMostMove <= backwardMostMove ||
10590 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10591 (claimer=='b')==(forwardMostMove&1))
10593 /* [HGM] verify: draws that were not flagged are false claims */
10594 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10595 result = claimer == 'w' ? BlackWins : WhiteWins;
10596 resultDetails = buf;
10598 /* (Claiming a loss is accepted no questions asked!) */
10600 /* [HGM] bare: don't allow bare King to win */
10601 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10602 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10603 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10604 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10605 && result != GameIsDrawn)
10606 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10607 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10608 int p = (signed char)boards[forwardMostMove][i][j] - color;
10609 if(p >= 0 && p <= (int)WhiteKing) k++;
10611 if (appData.debugMode) {
10612 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10613 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10616 result = GameIsDrawn;
10617 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10618 resultDetails = buf;
10624 if(serverMoves != NULL && !loadFlag) { char c = '=';
10625 if(result==WhiteWins) c = '+';
10626 if(result==BlackWins) c = '-';
10627 if(resultDetails != NULL)
10628 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10630 if (resultDetails != NULL) {
10631 gameInfo.result = result;
10632 gameInfo.resultDetails = StrSave(resultDetails);
10634 /* display last move only if game was not loaded from file */
10635 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10636 DisplayMove(currentMove - 1);
10638 if (forwardMostMove != 0) {
10639 if (gameMode != PlayFromGameFile && gameMode != EditGame
10640 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10642 if (*appData.saveGameFile != NULLCHAR) {
10643 SaveGameToFile(appData.saveGameFile, TRUE);
10644 } else if (appData.autoSaveGames) {
10647 if (*appData.savePositionFile != NULLCHAR) {
10648 SavePositionToFile(appData.savePositionFile);
10650 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10654 /* Tell program how game ended in case it is learning */
10655 /* [HGM] Moved this to after saving the PGN, just in case */
10656 /* engine died and we got here through time loss. In that */
10657 /* case we will get a fatal error writing the pipe, which */
10658 /* would otherwise lose us the PGN. */
10659 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10660 /* output during GameEnds should never be fatal anymore */
10661 if (gameMode == MachinePlaysWhite ||
10662 gameMode == MachinePlaysBlack ||
10663 gameMode == TwoMachinesPlay ||
10664 gameMode == IcsPlayingWhite ||
10665 gameMode == IcsPlayingBlack ||
10666 gameMode == BeginningOfGame) {
10668 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10670 if (first.pr != NoProc) {
10671 SendToProgram(buf, &first);
10673 if (second.pr != NoProc &&
10674 gameMode == TwoMachinesPlay) {
10675 SendToProgram(buf, &second);
10680 if (appData.icsActive) {
10681 if (appData.quietPlay &&
10682 (gameMode == IcsPlayingWhite ||
10683 gameMode == IcsPlayingBlack)) {
10684 SendToICS(ics_prefix);
10685 SendToICS("set shout 1\n");
10687 nextGameMode = IcsIdle;
10688 ics_user_moved = FALSE;
10689 /* clean up premove. It's ugly when the game has ended and the
10690 * premove highlights are still on the board.
10693 gotPremove = FALSE;
10694 ClearPremoveHighlights();
10695 DrawPosition(FALSE, boards[currentMove]);
10697 if (whosays == GE_ICS) {
10700 if (gameMode == IcsPlayingWhite)
10702 else if(gameMode == IcsPlayingBlack)
10703 PlayIcsLossSound();
10706 if (gameMode == IcsPlayingBlack)
10708 else if(gameMode == IcsPlayingWhite)
10709 PlayIcsLossSound();
10712 PlayIcsDrawSound();
10715 PlayIcsUnfinishedSound();
10718 } else if (gameMode == EditGame ||
10719 gameMode == PlayFromGameFile ||
10720 gameMode == AnalyzeMode ||
10721 gameMode == AnalyzeFile) {
10722 nextGameMode = gameMode;
10724 nextGameMode = EndOfGame;
10729 nextGameMode = gameMode;
10732 if (appData.noChessProgram) {
10733 gameMode = nextGameMode;
10735 endingGame = 0; /* [HGM] crash */
10740 /* Put first chess program into idle state */
10741 if (first.pr != NoProc &&
10742 (gameMode == MachinePlaysWhite ||
10743 gameMode == MachinePlaysBlack ||
10744 gameMode == TwoMachinesPlay ||
10745 gameMode == IcsPlayingWhite ||
10746 gameMode == IcsPlayingBlack ||
10747 gameMode == BeginningOfGame)) {
10748 SendToProgram("force\n", &first);
10749 if (first.usePing) {
10751 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10752 SendToProgram(buf, &first);
10755 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10756 /* Kill off first chess program */
10757 if (first.isr != NULL)
10758 RemoveInputSource(first.isr);
10761 if (first.pr != NoProc) {
10763 DoSleep( appData.delayBeforeQuit );
10764 SendToProgram("quit\n", &first);
10765 DoSleep( appData.delayAfterQuit );
10766 DestroyChildProcess(first.pr, first.useSigterm);
10770 if (second.reuse) {
10771 /* Put second chess program into idle state */
10772 if (second.pr != NoProc &&
10773 gameMode == TwoMachinesPlay) {
10774 SendToProgram("force\n", &second);
10775 if (second.usePing) {
10777 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10778 SendToProgram(buf, &second);
10781 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10782 /* Kill off second chess program */
10783 if (second.isr != NULL)
10784 RemoveInputSource(second.isr);
10787 if (second.pr != NoProc) {
10788 DoSleep( appData.delayBeforeQuit );
10789 SendToProgram("quit\n", &second);
10790 DoSleep( appData.delayAfterQuit );
10791 DestroyChildProcess(second.pr, second.useSigterm);
10793 second.pr = NoProc;
10796 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10797 char resChar = '=';
10801 if (first.twoMachinesColor[0] == 'w') {
10804 second.matchWins++;
10809 if (first.twoMachinesColor[0] == 'b') {
10812 second.matchWins++;
10815 case GameUnfinished:
10821 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10822 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10823 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10824 ReserveGame(nextGame, resChar); // sets nextGame
10825 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10826 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10827 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10829 if (nextGame <= appData.matchGames && !abortMatch) {
10830 gameMode = nextGameMode;
10831 matchGame = nextGame; // this will be overruled in tourney mode!
10832 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10833 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10834 endingGame = 0; /* [HGM] crash */
10837 gameMode = nextGameMode;
10838 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10839 first.tidy, second.tidy,
10840 first.matchWins, second.matchWins,
10841 appData.matchGames - (first.matchWins + second.matchWins));
10842 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10843 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10844 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10845 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10846 first.twoMachinesColor = "black\n";
10847 second.twoMachinesColor = "white\n";
10849 first.twoMachinesColor = "white\n";
10850 second.twoMachinesColor = "black\n";
10854 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10855 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10857 gameMode = nextGameMode;
10859 endingGame = 0; /* [HGM] crash */
10860 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10861 if(matchMode == TRUE) { // match through command line: exit with or without popup
10863 ToNrEvent(forwardMostMove);
10864 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10866 } else DisplayFatalError(buf, 0, 0);
10867 } else { // match through menu; just stop, with or without popup
10868 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10871 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10872 } else DisplayNote(buf);
10874 if(ranking) free(ranking);
10878 /* Assumes program was just initialized (initString sent).
10879 Leaves program in force mode. */
10881 FeedMovesToProgram (ChessProgramState *cps, int upto)
10885 if (appData.debugMode)
10886 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10887 startedFromSetupPosition ? "position and " : "",
10888 backwardMostMove, upto, cps->which);
10889 if(currentlyInitializedVariant != gameInfo.variant) {
10891 // [HGM] variantswitch: make engine aware of new variant
10892 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10893 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10894 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10895 SendToProgram(buf, cps);
10896 currentlyInitializedVariant = gameInfo.variant;
10898 SendToProgram("force\n", cps);
10899 if (startedFromSetupPosition) {
10900 SendBoard(cps, backwardMostMove);
10901 if (appData.debugMode) {
10902 fprintf(debugFP, "feedMoves\n");
10905 for (i = backwardMostMove; i < upto; i++) {
10906 SendMoveToProgram(i, cps);
10912 ResurrectChessProgram ()
10914 /* The chess program may have exited.
10915 If so, restart it and feed it all the moves made so far. */
10916 static int doInit = 0;
10918 if (appData.noChessProgram) return 1;
10920 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10921 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10922 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10923 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10925 if (first.pr != NoProc) return 1;
10926 StartChessProgram(&first);
10928 InitChessProgram(&first, FALSE);
10929 FeedMovesToProgram(&first, currentMove);
10931 if (!first.sendTime) {
10932 /* can't tell gnuchess what its clock should read,
10933 so we bow to its notion. */
10935 timeRemaining[0][currentMove] = whiteTimeRemaining;
10936 timeRemaining[1][currentMove] = blackTimeRemaining;
10939 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10940 appData.icsEngineAnalyze) && first.analysisSupport) {
10941 SendToProgram("analyze\n", &first);
10942 first.analyzing = TRUE;
10948 * Button procedures
10951 Reset (int redraw, int init)
10955 if (appData.debugMode) {
10956 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10957 redraw, init, gameMode);
10959 CleanupTail(); // [HGM] vari: delete any stored variations
10960 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10961 pausing = pauseExamInvalid = FALSE;
10962 startedFromSetupPosition = blackPlaysFirst = FALSE;
10964 whiteFlag = blackFlag = FALSE;
10965 userOfferedDraw = FALSE;
10966 hintRequested = bookRequested = FALSE;
10967 first.maybeThinking = FALSE;
10968 second.maybeThinking = FALSE;
10969 first.bookSuspend = FALSE; // [HGM] book
10970 second.bookSuspend = FALSE;
10971 thinkOutput[0] = NULLCHAR;
10972 lastHint[0] = NULLCHAR;
10973 ClearGameInfo(&gameInfo);
10974 gameInfo.variant = StringToVariant(appData.variant);
10975 ics_user_moved = ics_clock_paused = FALSE;
10976 ics_getting_history = H_FALSE;
10978 white_holding[0] = black_holding[0] = NULLCHAR;
10979 ClearProgramStats();
10980 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10984 flipView = appData.flipView;
10985 ClearPremoveHighlights();
10986 gotPremove = FALSE;
10987 alarmSounded = FALSE;
10989 GameEnds(EndOfFile, NULL, GE_PLAYER);
10990 if(appData.serverMovesName != NULL) {
10991 /* [HGM] prepare to make moves file for broadcasting */
10992 clock_t t = clock();
10993 if(serverMoves != NULL) fclose(serverMoves);
10994 serverMoves = fopen(appData.serverMovesName, "r");
10995 if(serverMoves != NULL) {
10996 fclose(serverMoves);
10997 /* delay 15 sec before overwriting, so all clients can see end */
10998 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11000 serverMoves = fopen(appData.serverMovesName, "w");
11004 gameMode = BeginningOfGame;
11006 if(appData.icsActive) gameInfo.variant = VariantNormal;
11007 currentMove = forwardMostMove = backwardMostMove = 0;
11008 MarkTargetSquares(1);
11009 InitPosition(redraw);
11010 for (i = 0; i < MAX_MOVES; i++) {
11011 if (commentList[i] != NULL) {
11012 free(commentList[i]);
11013 commentList[i] = NULL;
11017 timeRemaining[0][0] = whiteTimeRemaining;
11018 timeRemaining[1][0] = blackTimeRemaining;
11020 if (first.pr == NoProc) {
11021 StartChessProgram(&first);
11024 InitChessProgram(&first, startedFromSetupPosition);
11027 DisplayMessage("", "");
11028 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11029 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11030 ClearMap(); // [HGM] exclude: invalidate map
11034 AutoPlayGameLoop ()
11037 if (!AutoPlayOneMove())
11039 if (matchMode || appData.timeDelay == 0)
11041 if (appData.timeDelay < 0)
11043 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11051 ReloadGame(1); // next game
11057 int fromX, fromY, toX, toY;
11059 if (appData.debugMode) {
11060 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11063 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11066 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11067 pvInfoList[currentMove].depth = programStats.depth;
11068 pvInfoList[currentMove].score = programStats.score;
11069 pvInfoList[currentMove].time = 0;
11070 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11073 if (currentMove >= forwardMostMove) {
11074 if(gameMode == AnalyzeFile) {
11075 if(appData.loadGameIndex == -1) {
11076 GameEnds(EndOfFile, NULL, GE_FILE);
11077 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11079 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11082 // gameMode = EndOfGame;
11083 // ModeHighlight();
11085 /* [AS] Clear current move marker at the end of a game */
11086 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11091 toX = moveList[currentMove][2] - AAA;
11092 toY = moveList[currentMove][3] - ONE;
11094 if (moveList[currentMove][1] == '@') {
11095 if (appData.highlightLastMove) {
11096 SetHighlights(-1, -1, toX, toY);
11099 fromX = moveList[currentMove][0] - AAA;
11100 fromY = moveList[currentMove][1] - ONE;
11102 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11104 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11106 if (appData.highlightLastMove) {
11107 SetHighlights(fromX, fromY, toX, toY);
11110 DisplayMove(currentMove);
11111 SendMoveToProgram(currentMove++, &first);
11112 DisplayBothClocks();
11113 DrawPosition(FALSE, boards[currentMove]);
11114 // [HGM] PV info: always display, routine tests if empty
11115 DisplayComment(currentMove - 1, commentList[currentMove]);
11121 LoadGameOneMove (ChessMove readAhead)
11123 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11124 char promoChar = NULLCHAR;
11125 ChessMove moveType;
11126 char move[MSG_SIZ];
11129 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11130 gameMode != AnalyzeMode && gameMode != Training) {
11135 yyboardindex = forwardMostMove;
11136 if (readAhead != EndOfFile) {
11137 moveType = readAhead;
11139 if (gameFileFP == NULL)
11141 moveType = (ChessMove) Myylex();
11145 switch (moveType) {
11147 if (appData.debugMode)
11148 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11151 /* append the comment but don't display it */
11152 AppendComment(currentMove, p, FALSE);
11155 case WhiteCapturesEnPassant:
11156 case BlackCapturesEnPassant:
11157 case WhitePromotion:
11158 case BlackPromotion:
11159 case WhiteNonPromotion:
11160 case BlackNonPromotion:
11162 case WhiteKingSideCastle:
11163 case WhiteQueenSideCastle:
11164 case BlackKingSideCastle:
11165 case BlackQueenSideCastle:
11166 case WhiteKingSideCastleWild:
11167 case WhiteQueenSideCastleWild:
11168 case BlackKingSideCastleWild:
11169 case BlackQueenSideCastleWild:
11171 case WhiteHSideCastleFR:
11172 case WhiteASideCastleFR:
11173 case BlackHSideCastleFR:
11174 case BlackASideCastleFR:
11176 if (appData.debugMode)
11177 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11178 fromX = currentMoveString[0] - AAA;
11179 fromY = currentMoveString[1] - ONE;
11180 toX = currentMoveString[2] - AAA;
11181 toY = currentMoveString[3] - ONE;
11182 promoChar = currentMoveString[4];
11187 if (appData.debugMode)
11188 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11189 fromX = moveType == WhiteDrop ?
11190 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11191 (int) CharToPiece(ToLower(currentMoveString[0]));
11193 toX = currentMoveString[2] - AAA;
11194 toY = currentMoveString[3] - ONE;
11200 case GameUnfinished:
11201 if (appData.debugMode)
11202 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11203 p = strchr(yy_text, '{');
11204 if (p == NULL) p = strchr(yy_text, '(');
11207 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11209 q = strchr(p, *p == '{' ? '}' : ')');
11210 if (q != NULL) *q = NULLCHAR;
11213 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11214 GameEnds(moveType, p, GE_FILE);
11216 if (cmailMsgLoaded) {
11218 flipView = WhiteOnMove(currentMove);
11219 if (moveType == GameUnfinished) flipView = !flipView;
11220 if (appData.debugMode)
11221 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11226 if (appData.debugMode)
11227 fprintf(debugFP, "Parser hit end of file\n");
11228 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11234 if (WhiteOnMove(currentMove)) {
11235 GameEnds(BlackWins, "Black mates", GE_FILE);
11237 GameEnds(WhiteWins, "White mates", GE_FILE);
11241 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11247 case MoveNumberOne:
11248 if (lastLoadGameStart == GNUChessGame) {
11249 /* GNUChessGames have numbers, but they aren't move numbers */
11250 if (appData.debugMode)
11251 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11252 yy_text, (int) moveType);
11253 return LoadGameOneMove(EndOfFile); /* tail recursion */
11255 /* else fall thru */
11260 /* Reached start of next game in file */
11261 if (appData.debugMode)
11262 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11263 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11269 if (WhiteOnMove(currentMove)) {
11270 GameEnds(BlackWins, "Black mates", GE_FILE);
11272 GameEnds(WhiteWins, "White mates", GE_FILE);
11276 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11282 case PositionDiagram: /* should not happen; ignore */
11283 case ElapsedTime: /* ignore */
11284 case NAG: /* ignore */
11285 if (appData.debugMode)
11286 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11287 yy_text, (int) moveType);
11288 return LoadGameOneMove(EndOfFile); /* tail recursion */
11291 if (appData.testLegality) {
11292 if (appData.debugMode)
11293 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11294 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11295 (forwardMostMove / 2) + 1,
11296 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11297 DisplayError(move, 0);
11300 if (appData.debugMode)
11301 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11302 yy_text, currentMoveString);
11303 fromX = currentMoveString[0] - AAA;
11304 fromY = currentMoveString[1] - ONE;
11305 toX = currentMoveString[2] - AAA;
11306 toY = currentMoveString[3] - ONE;
11307 promoChar = currentMoveString[4];
11311 case AmbiguousMove:
11312 if (appData.debugMode)
11313 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11314 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11315 (forwardMostMove / 2) + 1,
11316 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11317 DisplayError(move, 0);
11322 case ImpossibleMove:
11323 if (appData.debugMode)
11324 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11325 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11326 (forwardMostMove / 2) + 1,
11327 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11328 DisplayError(move, 0);
11334 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11335 DrawPosition(FALSE, boards[currentMove]);
11336 DisplayBothClocks();
11337 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11338 DisplayComment(currentMove - 1, commentList[currentMove]);
11340 (void) StopLoadGameTimer();
11342 cmailOldMove = forwardMostMove;
11345 /* currentMoveString is set as a side-effect of yylex */
11347 thinkOutput[0] = NULLCHAR;
11348 MakeMove(fromX, fromY, toX, toY, promoChar);
11349 currentMove = forwardMostMove;
11354 /* Load the nth game from the given file */
11356 LoadGameFromFile (char *filename, int n, char *title, int useList)
11361 if (strcmp(filename, "-") == 0) {
11365 f = fopen(filename, "rb");
11367 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11368 DisplayError(buf, errno);
11372 if (fseek(f, 0, 0) == -1) {
11373 /* f is not seekable; probably a pipe */
11376 if (useList && n == 0) {
11377 int error = GameListBuild(f);
11379 DisplayError(_("Cannot build game list"), error);
11380 } else if (!ListEmpty(&gameList) &&
11381 ((ListGame *) gameList.tailPred)->number > 1) {
11382 GameListPopUp(f, title);
11389 return LoadGame(f, n, title, FALSE);
11394 MakeRegisteredMove ()
11396 int fromX, fromY, toX, toY;
11398 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11399 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11402 if (appData.debugMode)
11403 fprintf(debugFP, "Restoring %s for game %d\n",
11404 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11406 thinkOutput[0] = NULLCHAR;
11407 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11408 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11409 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11410 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11411 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11412 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11413 MakeMove(fromX, fromY, toX, toY, promoChar);
11414 ShowMove(fromX, fromY, toX, toY);
11416 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11423 if (WhiteOnMove(currentMove)) {
11424 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11426 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11431 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11438 if (WhiteOnMove(currentMove)) {
11439 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11441 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11446 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11457 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11459 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11463 if (gameNumber > nCmailGames) {
11464 DisplayError(_("No more games in this message"), 0);
11467 if (f == lastLoadGameFP) {
11468 int offset = gameNumber - lastLoadGameNumber;
11470 cmailMsg[0] = NULLCHAR;
11471 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11472 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11473 nCmailMovesRegistered--;
11475 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11476 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11477 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11480 if (! RegisterMove()) return FALSE;
11484 retVal = LoadGame(f, gameNumber, title, useList);
11486 /* Make move registered during previous look at this game, if any */
11487 MakeRegisteredMove();
11489 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11490 commentList[currentMove]
11491 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11492 DisplayComment(currentMove - 1, commentList[currentMove]);
11498 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11500 ReloadGame (int offset)
11502 int gameNumber = lastLoadGameNumber + offset;
11503 if (lastLoadGameFP == NULL) {
11504 DisplayError(_("No game has been loaded yet"), 0);
11507 if (gameNumber <= 0) {
11508 DisplayError(_("Can't back up any further"), 0);
11511 if (cmailMsgLoaded) {
11512 return CmailLoadGame(lastLoadGameFP, gameNumber,
11513 lastLoadGameTitle, lastLoadGameUseList);
11515 return LoadGame(lastLoadGameFP, gameNumber,
11516 lastLoadGameTitle, lastLoadGameUseList);
11520 int keys[EmptySquare+1];
11523 PositionMatches (Board b1, Board b2)
11526 switch(appData.searchMode) {
11527 case 1: return CompareWithRights(b1, b2);
11529 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11530 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11534 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11535 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11536 sum += keys[b1[r][f]] - keys[b2[r][f]];
11540 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11541 sum += keys[b1[r][f]] - keys[b2[r][f]];
11553 int pieceList[256], quickBoard[256];
11554 ChessSquare pieceType[256] = { EmptySquare };
11555 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11556 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11557 int soughtTotal, turn;
11558 Boolean epOK, flipSearch;
11561 unsigned char piece, to;
11564 #define DSIZE (250000)
11566 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11567 Move *moveDatabase = initialSpace;
11568 unsigned int movePtr, dataSize = DSIZE;
11571 MakePieceList (Board board, int *counts)
11573 int r, f, n=Q_PROMO, total=0;
11574 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11575 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11576 int sq = f + (r<<4);
11577 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11578 quickBoard[sq] = ++n;
11580 pieceType[n] = board[r][f];
11581 counts[board[r][f]]++;
11582 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11583 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11587 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11592 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11594 int sq = fromX + (fromY<<4);
11595 int piece = quickBoard[sq];
11596 quickBoard[sq] = 0;
11597 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11598 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11599 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11600 moveDatabase[movePtr++].piece = Q_WCASTL;
11601 quickBoard[sq] = piece;
11602 piece = quickBoard[from]; quickBoard[from] = 0;
11603 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11605 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11606 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11607 moveDatabase[movePtr++].piece = Q_BCASTL;
11608 quickBoard[sq] = piece;
11609 piece = quickBoard[from]; quickBoard[from] = 0;
11610 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11612 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11613 quickBoard[(fromY<<4)+toX] = 0;
11614 moveDatabase[movePtr].piece = Q_EP;
11615 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11616 moveDatabase[movePtr].to = sq;
11618 if(promoPiece != pieceType[piece]) {
11619 moveDatabase[movePtr++].piece = Q_PROMO;
11620 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11622 moveDatabase[movePtr].piece = piece;
11623 quickBoard[sq] = piece;
11628 PackGame (Board board)
11630 Move *newSpace = NULL;
11631 moveDatabase[movePtr].piece = 0; // terminate previous game
11632 if(movePtr > dataSize) {
11633 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11634 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11635 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11638 Move *p = moveDatabase, *q = newSpace;
11639 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11640 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11641 moveDatabase = newSpace;
11642 } else { // calloc failed, we must be out of memory. Too bad...
11643 dataSize = 0; // prevent calloc events for all subsequent games
11644 return 0; // and signal this one isn't cached
11648 MakePieceList(board, counts);
11653 QuickCompare (Board board, int *minCounts, int *maxCounts)
11654 { // compare according to search mode
11656 switch(appData.searchMode)
11658 case 1: // exact position match
11659 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11660 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11661 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11664 case 2: // can have extra material on empty squares
11665 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11666 if(board[r][f] == EmptySquare) continue;
11667 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11670 case 3: // material with exact Pawn structure
11671 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11672 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11673 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11674 } // fall through to material comparison
11675 case 4: // exact material
11676 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11678 case 6: // material range with given imbalance
11679 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11680 // fall through to range comparison
11681 case 5: // material range
11682 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11688 QuickScan (Board board, Move *move)
11689 { // reconstruct game,and compare all positions in it
11690 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11692 int piece = move->piece;
11693 int to = move->to, from = pieceList[piece];
11694 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11695 if(!piece) return -1;
11696 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11697 piece = (++move)->piece;
11698 from = pieceList[piece];
11699 counts[pieceType[piece]]--;
11700 pieceType[piece] = (ChessSquare) move->to;
11701 counts[move->to]++;
11702 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11703 counts[pieceType[quickBoard[to]]]--;
11704 quickBoard[to] = 0; total--;
11707 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11708 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11709 from = pieceList[piece]; // so this must be King
11710 quickBoard[from] = 0;
11711 pieceList[piece] = to;
11712 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11713 quickBoard[from] = 0; // rook
11714 quickBoard[to] = piece;
11715 to = move->to; piece = move->piece;
11719 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11720 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11721 quickBoard[from] = 0;
11723 quickBoard[to] = piece;
11724 pieceList[piece] = to;
11726 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11727 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11728 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11729 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11731 static int lastCounts[EmptySquare+1];
11733 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11734 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11735 } else stretch = 0;
11736 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11745 flipSearch = FALSE;
11746 CopyBoard(soughtBoard, boards[currentMove]);
11747 soughtTotal = MakePieceList(soughtBoard, maxSought);
11748 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11749 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11750 CopyBoard(reverseBoard, boards[currentMove]);
11751 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11752 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11753 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11754 reverseBoard[r][f] = piece;
11756 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11757 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11758 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11759 || (boards[currentMove][CASTLING][2] == NoRights ||
11760 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11761 && (boards[currentMove][CASTLING][5] == NoRights ||
11762 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11765 CopyBoard(flipBoard, soughtBoard);
11766 CopyBoard(rotateBoard, reverseBoard);
11767 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11768 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11769 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11772 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11773 if(appData.searchMode >= 5) {
11774 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11775 MakePieceList(soughtBoard, minSought);
11776 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11778 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11779 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11782 GameInfo dummyInfo;
11783 static int creatingBook;
11786 GameContainsPosition (FILE *f, ListGame *lg)
11788 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11789 int fromX, fromY, toX, toY;
11791 static int initDone=FALSE;
11793 // weed out games based on numerical tag comparison
11794 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11795 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11796 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11797 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11799 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11802 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11803 else CopyBoard(boards[scratch], initialPosition); // default start position
11806 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11807 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11810 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11811 fseek(f, lg->offset, 0);
11814 yyboardindex = scratch;
11815 quickFlag = plyNr+1;
11820 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11826 if(plyNr) return -1; // after we have seen moves, this is for new game
11829 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11830 case ImpossibleMove:
11831 case WhiteWins: // game ends here with these four
11834 case GameUnfinished:
11838 if(appData.testLegality) return -1;
11839 case WhiteCapturesEnPassant:
11840 case BlackCapturesEnPassant:
11841 case WhitePromotion:
11842 case BlackPromotion:
11843 case WhiteNonPromotion:
11844 case BlackNonPromotion:
11846 case WhiteKingSideCastle:
11847 case WhiteQueenSideCastle:
11848 case BlackKingSideCastle:
11849 case BlackQueenSideCastle:
11850 case WhiteKingSideCastleWild:
11851 case WhiteQueenSideCastleWild:
11852 case BlackKingSideCastleWild:
11853 case BlackQueenSideCastleWild:
11854 case WhiteHSideCastleFR:
11855 case WhiteASideCastleFR:
11856 case BlackHSideCastleFR:
11857 case BlackASideCastleFR:
11858 fromX = currentMoveString[0] - AAA;
11859 fromY = currentMoveString[1] - ONE;
11860 toX = currentMoveString[2] - AAA;
11861 toY = currentMoveString[3] - ONE;
11862 promoChar = currentMoveString[4];
11866 fromX = next == WhiteDrop ?
11867 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11868 (int) CharToPiece(ToLower(currentMoveString[0]));
11870 toX = currentMoveString[2] - AAA;
11871 toY = currentMoveString[3] - ONE;
11875 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11877 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11878 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11879 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11880 if(appData.findMirror) {
11881 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11882 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11887 /* Load the nth game from open file f */
11889 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11893 int gn = gameNumber;
11894 ListGame *lg = NULL;
11895 int numPGNTags = 0;
11897 GameMode oldGameMode;
11898 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11900 if (appData.debugMode)
11901 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11903 if (gameMode == Training )
11904 SetTrainingModeOff();
11906 oldGameMode = gameMode;
11907 if (gameMode != BeginningOfGame) {
11908 Reset(FALSE, TRUE);
11912 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11913 fclose(lastLoadGameFP);
11917 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11920 fseek(f, lg->offset, 0);
11921 GameListHighlight(gameNumber);
11922 pos = lg->position;
11926 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
11927 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
11929 DisplayError(_("Game number out of range"), 0);
11934 if (fseek(f, 0, 0) == -1) {
11935 if (f == lastLoadGameFP ?
11936 gameNumber == lastLoadGameNumber + 1 :
11940 DisplayError(_("Can't seek on game file"), 0);
11945 lastLoadGameFP = f;
11946 lastLoadGameNumber = gameNumber;
11947 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11948 lastLoadGameUseList = useList;
11952 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11953 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11954 lg->gameInfo.black);
11956 } else if (*title != NULLCHAR) {
11957 if (gameNumber > 1) {
11958 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11961 DisplayTitle(title);
11965 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11966 gameMode = PlayFromGameFile;
11970 currentMove = forwardMostMove = backwardMostMove = 0;
11971 CopyBoard(boards[0], initialPosition);
11975 * Skip the first gn-1 games in the file.
11976 * Also skip over anything that precedes an identifiable
11977 * start of game marker, to avoid being confused by
11978 * garbage at the start of the file. Currently
11979 * recognized start of game markers are the move number "1",
11980 * the pattern "gnuchess .* game", the pattern
11981 * "^[#;%] [^ ]* game file", and a PGN tag block.
11982 * A game that starts with one of the latter two patterns
11983 * will also have a move number 1, possibly
11984 * following a position diagram.
11985 * 5-4-02: Let's try being more lenient and allowing a game to
11986 * start with an unnumbered move. Does that break anything?
11988 cm = lastLoadGameStart = EndOfFile;
11990 yyboardindex = forwardMostMove;
11991 cm = (ChessMove) Myylex();
11994 if (cmailMsgLoaded) {
11995 nCmailGames = CMAIL_MAX_GAMES - gn;
11998 DisplayError(_("Game not found in file"), 0);
12005 lastLoadGameStart = cm;
12008 case MoveNumberOne:
12009 switch (lastLoadGameStart) {
12014 case MoveNumberOne:
12016 gn--; /* count this game */
12017 lastLoadGameStart = cm;
12026 switch (lastLoadGameStart) {
12029 case MoveNumberOne:
12031 gn--; /* count this game */
12032 lastLoadGameStart = cm;
12035 lastLoadGameStart = cm; /* game counted already */
12043 yyboardindex = forwardMostMove;
12044 cm = (ChessMove) Myylex();
12045 } while (cm == PGNTag || cm == Comment);
12052 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12053 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12054 != CMAIL_OLD_RESULT) {
12056 cmailResult[ CMAIL_MAX_GAMES
12057 - gn - 1] = CMAIL_OLD_RESULT;
12063 /* Only a NormalMove can be at the start of a game
12064 * without a position diagram. */
12065 if (lastLoadGameStart == EndOfFile ) {
12067 lastLoadGameStart = MoveNumberOne;
12076 if (appData.debugMode)
12077 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12079 if (cm == XBoardGame) {
12080 /* Skip any header junk before position diagram and/or move 1 */
12082 yyboardindex = forwardMostMove;
12083 cm = (ChessMove) Myylex();
12085 if (cm == EndOfFile ||
12086 cm == GNUChessGame || cm == XBoardGame) {
12087 /* Empty game; pretend end-of-file and handle later */
12092 if (cm == MoveNumberOne || cm == PositionDiagram ||
12093 cm == PGNTag || cm == Comment)
12096 } else if (cm == GNUChessGame) {
12097 if (gameInfo.event != NULL) {
12098 free(gameInfo.event);
12100 gameInfo.event = StrSave(yy_text);
12103 startedFromSetupPosition = FALSE;
12104 while (cm == PGNTag) {
12105 if (appData.debugMode)
12106 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12107 err = ParsePGNTag(yy_text, &gameInfo);
12108 if (!err) numPGNTags++;
12110 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12111 if(gameInfo.variant != oldVariant) {
12112 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12113 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12114 InitPosition(TRUE);
12115 oldVariant = gameInfo.variant;
12116 if (appData.debugMode)
12117 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12121 if (gameInfo.fen != NULL) {
12122 Board initial_position;
12123 startedFromSetupPosition = TRUE;
12124 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12126 DisplayError(_("Bad FEN position in file"), 0);
12129 CopyBoard(boards[0], initial_position);
12130 if (blackPlaysFirst) {
12131 currentMove = forwardMostMove = backwardMostMove = 1;
12132 CopyBoard(boards[1], initial_position);
12133 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12134 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12135 timeRemaining[0][1] = whiteTimeRemaining;
12136 timeRemaining[1][1] = blackTimeRemaining;
12137 if (commentList[0] != NULL) {
12138 commentList[1] = commentList[0];
12139 commentList[0] = NULL;
12142 currentMove = forwardMostMove = backwardMostMove = 0;
12144 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12146 initialRulePlies = FENrulePlies;
12147 for( i=0; i< nrCastlingRights; i++ )
12148 initialRights[i] = initial_position[CASTLING][i];
12150 yyboardindex = forwardMostMove;
12151 free(gameInfo.fen);
12152 gameInfo.fen = NULL;
12155 yyboardindex = forwardMostMove;
12156 cm = (ChessMove) Myylex();
12158 /* Handle comments interspersed among the tags */
12159 while (cm == Comment) {
12161 if (appData.debugMode)
12162 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12164 AppendComment(currentMove, p, FALSE);
12165 yyboardindex = forwardMostMove;
12166 cm = (ChessMove) Myylex();
12170 /* don't rely on existence of Event tag since if game was
12171 * pasted from clipboard the Event tag may not exist
12173 if (numPGNTags > 0){
12175 if (gameInfo.variant == VariantNormal) {
12176 VariantClass v = StringToVariant(gameInfo.event);
12177 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12178 if(v < VariantShogi) gameInfo.variant = v;
12181 if( appData.autoDisplayTags ) {
12182 tags = PGNTags(&gameInfo);
12183 TagsPopUp(tags, CmailMsg());
12188 /* Make something up, but don't display it now */
12193 if (cm == PositionDiagram) {
12196 Board initial_position;
12198 if (appData.debugMode)
12199 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12201 if (!startedFromSetupPosition) {
12203 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12204 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12215 initial_position[i][j++] = CharToPiece(*p);
12218 while (*p == ' ' || *p == '\t' ||
12219 *p == '\n' || *p == '\r') p++;
12221 if (strncmp(p, "black", strlen("black"))==0)
12222 blackPlaysFirst = TRUE;
12224 blackPlaysFirst = FALSE;
12225 startedFromSetupPosition = TRUE;
12227 CopyBoard(boards[0], initial_position);
12228 if (blackPlaysFirst) {
12229 currentMove = forwardMostMove = backwardMostMove = 1;
12230 CopyBoard(boards[1], initial_position);
12231 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12232 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12233 timeRemaining[0][1] = whiteTimeRemaining;
12234 timeRemaining[1][1] = blackTimeRemaining;
12235 if (commentList[0] != NULL) {
12236 commentList[1] = commentList[0];
12237 commentList[0] = NULL;
12240 currentMove = forwardMostMove = backwardMostMove = 0;
12243 yyboardindex = forwardMostMove;
12244 cm = (ChessMove) Myylex();
12247 if(!creatingBook) {
12248 if (first.pr == NoProc) {
12249 StartChessProgram(&first);
12251 InitChessProgram(&first, FALSE);
12252 SendToProgram("force\n", &first);
12253 if (startedFromSetupPosition) {
12254 SendBoard(&first, forwardMostMove);
12255 if (appData.debugMode) {
12256 fprintf(debugFP, "Load Game\n");
12258 DisplayBothClocks();
12262 /* [HGM] server: flag to write setup moves in broadcast file as one */
12263 loadFlag = appData.suppressLoadMoves;
12265 while (cm == Comment) {
12267 if (appData.debugMode)
12268 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12270 AppendComment(currentMove, p, FALSE);
12271 yyboardindex = forwardMostMove;
12272 cm = (ChessMove) Myylex();
12275 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12276 cm == WhiteWins || cm == BlackWins ||
12277 cm == GameIsDrawn || cm == GameUnfinished) {
12278 DisplayMessage("", _("No moves in game"));
12279 if (cmailMsgLoaded) {
12280 if (appData.debugMode)
12281 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12285 DrawPosition(FALSE, boards[currentMove]);
12286 DisplayBothClocks();
12287 gameMode = EditGame;
12294 // [HGM] PV info: routine tests if comment empty
12295 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12296 DisplayComment(currentMove - 1, commentList[currentMove]);
12298 if (!matchMode && appData.timeDelay != 0)
12299 DrawPosition(FALSE, boards[currentMove]);
12301 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12302 programStats.ok_to_send = 1;
12305 /* if the first token after the PGN tags is a move
12306 * and not move number 1, retrieve it from the parser
12308 if (cm != MoveNumberOne)
12309 LoadGameOneMove(cm);
12311 /* load the remaining moves from the file */
12312 while (LoadGameOneMove(EndOfFile)) {
12313 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12314 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12317 /* rewind to the start of the game */
12318 currentMove = backwardMostMove;
12320 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12322 if (oldGameMode == AnalyzeFile ||
12323 oldGameMode == AnalyzeMode) {
12324 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12326 AnalyzeFileEvent();
12330 if(creatingBook) return TRUE;
12331 if (!matchMode && pos > 0) {
12332 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12334 if (matchMode || appData.timeDelay == 0) {
12336 } else if (appData.timeDelay > 0) {
12337 AutoPlayGameLoop();
12340 if (appData.debugMode)
12341 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12343 loadFlag = 0; /* [HGM] true game starts */
12347 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12349 ReloadPosition (int offset)
12351 int positionNumber = lastLoadPositionNumber + offset;
12352 if (lastLoadPositionFP == NULL) {
12353 DisplayError(_("No position has been loaded yet"), 0);
12356 if (positionNumber <= 0) {
12357 DisplayError(_("Can't back up any further"), 0);
12360 return LoadPosition(lastLoadPositionFP, positionNumber,
12361 lastLoadPositionTitle);
12364 /* Load the nth position from the given file */
12366 LoadPositionFromFile (char *filename, int n, char *title)
12371 if (strcmp(filename, "-") == 0) {
12372 return LoadPosition(stdin, n, "stdin");
12374 f = fopen(filename, "rb");
12376 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12377 DisplayError(buf, errno);
12380 return LoadPosition(f, n, title);
12385 /* Load the nth position from the given open file, and close it */
12387 LoadPosition (FILE *f, int positionNumber, char *title)
12389 char *p, line[MSG_SIZ];
12390 Board initial_position;
12391 int i, j, fenMode, pn;
12393 if (gameMode == Training )
12394 SetTrainingModeOff();
12396 if (gameMode != BeginningOfGame) {
12397 Reset(FALSE, TRUE);
12399 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12400 fclose(lastLoadPositionFP);
12402 if (positionNumber == 0) positionNumber = 1;
12403 lastLoadPositionFP = f;
12404 lastLoadPositionNumber = positionNumber;
12405 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12406 if (first.pr == NoProc && !appData.noChessProgram) {
12407 StartChessProgram(&first);
12408 InitChessProgram(&first, FALSE);
12410 pn = positionNumber;
12411 if (positionNumber < 0) {
12412 /* Negative position number means to seek to that byte offset */
12413 if (fseek(f, -positionNumber, 0) == -1) {
12414 DisplayError(_("Can't seek on position file"), 0);
12419 if (fseek(f, 0, 0) == -1) {
12420 if (f == lastLoadPositionFP ?
12421 positionNumber == lastLoadPositionNumber + 1 :
12422 positionNumber == 1) {
12425 DisplayError(_("Can't seek on position file"), 0);
12430 /* See if this file is FEN or old-style xboard */
12431 if (fgets(line, MSG_SIZ, f) == NULL) {
12432 DisplayError(_("Position not found in file"), 0);
12435 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12436 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12439 if (fenMode || line[0] == '#') pn--;
12441 /* skip positions before number pn */
12442 if (fgets(line, MSG_SIZ, f) == NULL) {
12444 DisplayError(_("Position not found in file"), 0);
12447 if (fenMode || line[0] == '#') pn--;
12452 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12453 DisplayError(_("Bad FEN position in file"), 0);
12457 (void) fgets(line, MSG_SIZ, f);
12458 (void) fgets(line, MSG_SIZ, f);
12460 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12461 (void) fgets(line, MSG_SIZ, f);
12462 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12465 initial_position[i][j++] = CharToPiece(*p);
12469 blackPlaysFirst = FALSE;
12471 (void) fgets(line, MSG_SIZ, f);
12472 if (strncmp(line, "black", strlen("black"))==0)
12473 blackPlaysFirst = TRUE;
12476 startedFromSetupPosition = TRUE;
12478 CopyBoard(boards[0], initial_position);
12479 if (blackPlaysFirst) {
12480 currentMove = forwardMostMove = backwardMostMove = 1;
12481 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12482 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12483 CopyBoard(boards[1], initial_position);
12484 DisplayMessage("", _("Black to play"));
12486 currentMove = forwardMostMove = backwardMostMove = 0;
12487 DisplayMessage("", _("White to play"));
12489 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12490 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12491 SendToProgram("force\n", &first);
12492 SendBoard(&first, forwardMostMove);
12494 if (appData.debugMode) {
12496 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12497 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12498 fprintf(debugFP, "Load Position\n");
12501 if (positionNumber > 1) {
12502 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12503 DisplayTitle(line);
12505 DisplayTitle(title);
12507 gameMode = EditGame;
12510 timeRemaining[0][1] = whiteTimeRemaining;
12511 timeRemaining[1][1] = blackTimeRemaining;
12512 DrawPosition(FALSE, boards[currentMove]);
12519 CopyPlayerNameIntoFileName (char **dest, char *src)
12521 while (*src != NULLCHAR && *src != ',') {
12526 *(*dest)++ = *src++;
12532 DefaultFileName (char *ext)
12534 static char def[MSG_SIZ];
12537 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12539 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12541 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12543 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12550 /* Save the current game to the given file */
12552 SaveGameToFile (char *filename, int append)
12556 int result, i, t,tot=0;
12558 if (strcmp(filename, "-") == 0) {
12559 return SaveGame(stdout, 0, NULL);
12561 for(i=0; i<10; i++) { // upto 10 tries
12562 f = fopen(filename, append ? "a" : "w");
12563 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12564 if(f || errno != 13) break;
12565 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12569 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12570 DisplayError(buf, errno);
12573 safeStrCpy(buf, lastMsg, MSG_SIZ);
12574 DisplayMessage(_("Waiting for access to save file"), "");
12575 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12576 DisplayMessage(_("Saving game"), "");
12577 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12578 result = SaveGame(f, 0, NULL);
12579 DisplayMessage(buf, "");
12586 SavePart (char *str)
12588 static char buf[MSG_SIZ];
12591 p = strchr(str, ' ');
12592 if (p == NULL) return str;
12593 strncpy(buf, str, p - str);
12594 buf[p - str] = NULLCHAR;
12598 #define PGN_MAX_LINE 75
12600 #define PGN_SIDE_WHITE 0
12601 #define PGN_SIDE_BLACK 1
12604 FindFirstMoveOutOfBook (int side)
12608 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12609 int index = backwardMostMove;
12610 int has_book_hit = 0;
12612 if( (index % 2) != side ) {
12616 while( index < forwardMostMove ) {
12617 /* Check to see if engine is in book */
12618 int depth = pvInfoList[index].depth;
12619 int score = pvInfoList[index].score;
12625 else if( score == 0 && depth == 63 ) {
12626 in_book = 1; /* Zappa */
12628 else if( score == 2 && depth == 99 ) {
12629 in_book = 1; /* Abrok */
12632 has_book_hit += in_book;
12648 GetOutOfBookInfo (char * buf)
12652 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12654 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12655 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12659 if( oob[0] >= 0 || oob[1] >= 0 ) {
12660 for( i=0; i<2; i++ ) {
12664 if( i > 0 && oob[0] >= 0 ) {
12665 strcat( buf, " " );
12668 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12669 sprintf( buf+strlen(buf), "%s%.2f",
12670 pvInfoList[idx].score >= 0 ? "+" : "",
12671 pvInfoList[idx].score / 100.0 );
12677 /* Save game in PGN style and close the file */
12679 SaveGamePGN (FILE *f)
12681 int i, offset, linelen, newblock;
12684 int movelen, numlen, blank;
12685 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12687 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12689 PrintPGNTags(f, &gameInfo);
12691 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12693 if (backwardMostMove > 0 || startedFromSetupPosition) {
12694 char *fen = PositionToFEN(backwardMostMove, NULL);
12695 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12696 fprintf(f, "\n{--------------\n");
12697 PrintPosition(f, backwardMostMove);
12698 fprintf(f, "--------------}\n");
12702 /* [AS] Out of book annotation */
12703 if( appData.saveOutOfBookInfo ) {
12706 GetOutOfBookInfo( buf );
12708 if( buf[0] != '\0' ) {
12709 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12716 i = backwardMostMove;
12720 while (i < forwardMostMove) {
12721 /* Print comments preceding this move */
12722 if (commentList[i] != NULL) {
12723 if (linelen > 0) fprintf(f, "\n");
12724 fprintf(f, "%s", commentList[i]);
12729 /* Format move number */
12731 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12734 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12736 numtext[0] = NULLCHAR;
12738 numlen = strlen(numtext);
12741 /* Print move number */
12742 blank = linelen > 0 && numlen > 0;
12743 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12752 fprintf(f, "%s", numtext);
12756 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12757 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12760 blank = linelen > 0 && movelen > 0;
12761 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12770 fprintf(f, "%s", move_buffer);
12771 linelen += movelen;
12773 /* [AS] Add PV info if present */
12774 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12775 /* [HGM] add time */
12776 char buf[MSG_SIZ]; int seconds;
12778 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12784 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12787 seconds = (seconds + 4)/10; // round to full seconds
12789 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12791 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12794 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12795 pvInfoList[i].score >= 0 ? "+" : "",
12796 pvInfoList[i].score / 100.0,
12797 pvInfoList[i].depth,
12800 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12802 /* Print score/depth */
12803 blank = linelen > 0 && movelen > 0;
12804 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12813 fprintf(f, "%s", move_buffer);
12814 linelen += movelen;
12820 /* Start a new line */
12821 if (linelen > 0) fprintf(f, "\n");
12823 /* Print comments after last move */
12824 if (commentList[i] != NULL) {
12825 fprintf(f, "%s\n", commentList[i]);
12829 if (gameInfo.resultDetails != NULL &&
12830 gameInfo.resultDetails[0] != NULLCHAR) {
12831 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12832 PGNResult(gameInfo.result));
12834 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12838 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12842 /* Save game in old style and close the file */
12844 SaveGameOldStyle (FILE *f)
12849 tm = time((time_t *) NULL);
12851 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12854 if (backwardMostMove > 0 || startedFromSetupPosition) {
12855 fprintf(f, "\n[--------------\n");
12856 PrintPosition(f, backwardMostMove);
12857 fprintf(f, "--------------]\n");
12862 i = backwardMostMove;
12863 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12865 while (i < forwardMostMove) {
12866 if (commentList[i] != NULL) {
12867 fprintf(f, "[%s]\n", commentList[i]);
12870 if ((i % 2) == 1) {
12871 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12874 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12876 if (commentList[i] != NULL) {
12880 if (i >= forwardMostMove) {
12884 fprintf(f, "%s\n", parseList[i]);
12889 if (commentList[i] != NULL) {
12890 fprintf(f, "[%s]\n", commentList[i]);
12893 /* This isn't really the old style, but it's close enough */
12894 if (gameInfo.resultDetails != NULL &&
12895 gameInfo.resultDetails[0] != NULLCHAR) {
12896 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12897 gameInfo.resultDetails);
12899 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12906 /* Save the current game to open file f and close the file */
12908 SaveGame (FILE *f, int dummy, char *dummy2)
12910 if (gameMode == EditPosition) EditPositionDone(TRUE);
12911 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12912 if (appData.oldSaveStyle)
12913 return SaveGameOldStyle(f);
12915 return SaveGamePGN(f);
12918 /* Save the current position to the given file */
12920 SavePositionToFile (char *filename)
12925 if (strcmp(filename, "-") == 0) {
12926 return SavePosition(stdout, 0, NULL);
12928 f = fopen(filename, "a");
12930 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12931 DisplayError(buf, errno);
12934 safeStrCpy(buf, lastMsg, MSG_SIZ);
12935 DisplayMessage(_("Waiting for access to save file"), "");
12936 flock(fileno(f), LOCK_EX); // [HGM] lock
12937 DisplayMessage(_("Saving position"), "");
12938 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12939 SavePosition(f, 0, NULL);
12940 DisplayMessage(buf, "");
12946 /* Save the current position to the given open file and close the file */
12948 SavePosition (FILE *f, int dummy, char *dummy2)
12953 if (gameMode == EditPosition) EditPositionDone(TRUE);
12954 if (appData.oldSaveStyle) {
12955 tm = time((time_t *) NULL);
12957 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12959 fprintf(f, "[--------------\n");
12960 PrintPosition(f, currentMove);
12961 fprintf(f, "--------------]\n");
12963 fen = PositionToFEN(currentMove, NULL);
12964 fprintf(f, "%s\n", fen);
12972 ReloadCmailMsgEvent (int unregister)
12975 static char *inFilename = NULL;
12976 static char *outFilename;
12978 struct stat inbuf, outbuf;
12981 /* Any registered moves are unregistered if unregister is set, */
12982 /* i.e. invoked by the signal handler */
12984 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12985 cmailMoveRegistered[i] = FALSE;
12986 if (cmailCommentList[i] != NULL) {
12987 free(cmailCommentList[i]);
12988 cmailCommentList[i] = NULL;
12991 nCmailMovesRegistered = 0;
12994 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12995 cmailResult[i] = CMAIL_NOT_RESULT;
12999 if (inFilename == NULL) {
13000 /* Because the filenames are static they only get malloced once */
13001 /* and they never get freed */
13002 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13003 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13005 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13006 sprintf(outFilename, "%s.out", appData.cmailGameName);
13009 status = stat(outFilename, &outbuf);
13011 cmailMailedMove = FALSE;
13013 status = stat(inFilename, &inbuf);
13014 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13017 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13018 counts the games, notes how each one terminated, etc.
13020 It would be nice to remove this kludge and instead gather all
13021 the information while building the game list. (And to keep it
13022 in the game list nodes instead of having a bunch of fixed-size
13023 parallel arrays.) Note this will require getting each game's
13024 termination from the PGN tags, as the game list builder does
13025 not process the game moves. --mann
13027 cmailMsgLoaded = TRUE;
13028 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13030 /* Load first game in the file or popup game menu */
13031 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13033 #endif /* !WIN32 */
13041 char string[MSG_SIZ];
13043 if ( cmailMailedMove
13044 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13045 return TRUE; /* Allow free viewing */
13048 /* Unregister move to ensure that we don't leave RegisterMove */
13049 /* with the move registered when the conditions for registering no */
13051 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13052 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13053 nCmailMovesRegistered --;
13055 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13057 free(cmailCommentList[lastLoadGameNumber - 1]);
13058 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13062 if (cmailOldMove == -1) {
13063 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13067 if (currentMove > cmailOldMove + 1) {
13068 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13072 if (currentMove < cmailOldMove) {
13073 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13077 if (forwardMostMove > currentMove) {
13078 /* Silently truncate extra moves */
13082 if ( (currentMove == cmailOldMove + 1)
13083 || ( (currentMove == cmailOldMove)
13084 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13085 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13086 if (gameInfo.result != GameUnfinished) {
13087 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13090 if (commentList[currentMove] != NULL) {
13091 cmailCommentList[lastLoadGameNumber - 1]
13092 = StrSave(commentList[currentMove]);
13094 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13096 if (appData.debugMode)
13097 fprintf(debugFP, "Saving %s for game %d\n",
13098 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13100 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13102 f = fopen(string, "w");
13103 if (appData.oldSaveStyle) {
13104 SaveGameOldStyle(f); /* also closes the file */
13106 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13107 f = fopen(string, "w");
13108 SavePosition(f, 0, NULL); /* also closes the file */
13110 fprintf(f, "{--------------\n");
13111 PrintPosition(f, currentMove);
13112 fprintf(f, "--------------}\n\n");
13114 SaveGame(f, 0, NULL); /* also closes the file*/
13117 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13118 nCmailMovesRegistered ++;
13119 } else if (nCmailGames == 1) {
13120 DisplayError(_("You have not made a move yet"), 0);
13131 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13132 FILE *commandOutput;
13133 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13134 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13140 if (! cmailMsgLoaded) {
13141 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13145 if (nCmailGames == nCmailResults) {
13146 DisplayError(_("No unfinished games"), 0);
13150 #if CMAIL_PROHIBIT_REMAIL
13151 if (cmailMailedMove) {
13152 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);
13153 DisplayError(msg, 0);
13158 if (! (cmailMailedMove || RegisterMove())) return;
13160 if ( cmailMailedMove
13161 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13162 snprintf(string, MSG_SIZ, partCommandString,
13163 appData.debugMode ? " -v" : "", appData.cmailGameName);
13164 commandOutput = popen(string, "r");
13166 if (commandOutput == NULL) {
13167 DisplayError(_("Failed to invoke cmail"), 0);
13169 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13170 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13172 if (nBuffers > 1) {
13173 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13174 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13175 nBytes = MSG_SIZ - 1;
13177 (void) memcpy(msg, buffer, nBytes);
13179 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13181 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13182 cmailMailedMove = TRUE; /* Prevent >1 moves */
13185 for (i = 0; i < nCmailGames; i ++) {
13186 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13191 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13193 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13195 appData.cmailGameName,
13197 LoadGameFromFile(buffer, 1, buffer, FALSE);
13198 cmailMsgLoaded = FALSE;
13202 DisplayInformation(msg);
13203 pclose(commandOutput);
13206 if ((*cmailMsg) != '\0') {
13207 DisplayInformation(cmailMsg);
13212 #endif /* !WIN32 */
13221 int prependComma = 0;
13223 char string[MSG_SIZ]; /* Space for game-list */
13226 if (!cmailMsgLoaded) return "";
13228 if (cmailMailedMove) {
13229 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13231 /* Create a list of games left */
13232 snprintf(string, MSG_SIZ, "[");
13233 for (i = 0; i < nCmailGames; i ++) {
13234 if (! ( cmailMoveRegistered[i]
13235 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13236 if (prependComma) {
13237 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13239 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13243 strcat(string, number);
13246 strcat(string, "]");
13248 if (nCmailMovesRegistered + nCmailResults == 0) {
13249 switch (nCmailGames) {
13251 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13255 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13259 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13264 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13266 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13271 if (nCmailResults == nCmailGames) {
13272 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13274 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13279 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13291 if (gameMode == Training)
13292 SetTrainingModeOff();
13295 cmailMsgLoaded = FALSE;
13296 if (appData.icsActive) {
13297 SendToICS(ics_prefix);
13298 SendToICS("refresh\n");
13303 ExitEvent (int status)
13307 /* Give up on clean exit */
13311 /* Keep trying for clean exit */
13315 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13317 if (telnetISR != NULL) {
13318 RemoveInputSource(telnetISR);
13320 if (icsPR != NoProc) {
13321 DestroyChildProcess(icsPR, TRUE);
13324 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13325 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13327 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13328 /* make sure this other one finishes before killing it! */
13329 if(endingGame) { int count = 0;
13330 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13331 while(endingGame && count++ < 10) DoSleep(1);
13332 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13335 /* Kill off chess programs */
13336 if (first.pr != NoProc) {
13339 DoSleep( appData.delayBeforeQuit );
13340 SendToProgram("quit\n", &first);
13341 DoSleep( appData.delayAfterQuit );
13342 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13344 if (second.pr != NoProc) {
13345 DoSleep( appData.delayBeforeQuit );
13346 SendToProgram("quit\n", &second);
13347 DoSleep( appData.delayAfterQuit );
13348 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13350 if (first.isr != NULL) {
13351 RemoveInputSource(first.isr);
13353 if (second.isr != NULL) {
13354 RemoveInputSource(second.isr);
13357 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13358 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13360 ShutDownFrontEnd();
13367 if (appData.debugMode)
13368 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13372 if (gameMode == MachinePlaysWhite ||
13373 gameMode == MachinePlaysBlack) {
13376 DisplayBothClocks();
13378 if (gameMode == PlayFromGameFile) {
13379 if (appData.timeDelay >= 0)
13380 AutoPlayGameLoop();
13381 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13382 Reset(FALSE, TRUE);
13383 SendToICS(ics_prefix);
13384 SendToICS("refresh\n");
13385 } else if (currentMove < forwardMostMove) {
13386 ForwardInner(forwardMostMove);
13388 pauseExamInvalid = FALSE;
13390 switch (gameMode) {
13394 pauseExamForwardMostMove = forwardMostMove;
13395 pauseExamInvalid = FALSE;
13398 case IcsPlayingWhite:
13399 case IcsPlayingBlack:
13403 case PlayFromGameFile:
13404 (void) StopLoadGameTimer();
13408 case BeginningOfGame:
13409 if (appData.icsActive) return;
13410 /* else fall through */
13411 case MachinePlaysWhite:
13412 case MachinePlaysBlack:
13413 case TwoMachinesPlay:
13414 if (forwardMostMove == 0)
13415 return; /* don't pause if no one has moved */
13416 if ((gameMode == MachinePlaysWhite &&
13417 !WhiteOnMove(forwardMostMove)) ||
13418 (gameMode == MachinePlaysBlack &&
13419 WhiteOnMove(forwardMostMove))) {
13431 EditCommentEvent ()
13433 char title[MSG_SIZ];
13435 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13436 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13438 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13439 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13440 parseList[currentMove - 1]);
13443 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13450 char *tags = PGNTags(&gameInfo);
13452 EditTagsPopUp(tags, NULL);
13459 if(second.analyzing) {
13460 SendToProgram("exit\n", &second);
13461 second.analyzing = FALSE;
13463 if (second.pr == NoProc) StartChessProgram(&second);
13464 InitChessProgram(&second, FALSE);
13465 FeedMovesToProgram(&second, currentMove);
13467 SendToProgram("analyze\n", &second);
13468 second.analyzing = TRUE;
13472 /* Toggle ShowThinking */
13474 ToggleShowThinking()
13476 appData.showThinking = !appData.showThinking;
13477 ShowThinkingEvent();
13481 AnalyzeModeEvent ()
13485 if (!first.analysisSupport) {
13486 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13487 DisplayError(buf, 0);
13490 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13491 if (appData.icsActive) {
13492 if (gameMode != IcsObserving) {
13493 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13494 DisplayError(buf, 0);
13496 if (appData.icsEngineAnalyze) {
13497 if (appData.debugMode)
13498 fprintf(debugFP, _("Found unexpected active ICS engine analyze \n"));
13504 /* if enable, user wants to disable icsEngineAnalyze */
13505 if (appData.icsEngineAnalyze) {
13510 appData.icsEngineAnalyze = TRUE;
13511 if (appData.debugMode)
13512 fprintf(debugFP, _("ICS engine analyze starting... \n"));
13515 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13516 if (appData.noChessProgram || gameMode == AnalyzeMode)
13519 if (gameMode != AnalyzeFile) {
13520 if (!appData.icsEngineAnalyze) {
13522 if (gameMode != EditGame) return 0;
13524 if (!appData.showThinking) ToggleShowThinking();
13525 ResurrectChessProgram();
13526 SendToProgram("analyze\n", &first);
13527 first.analyzing = TRUE;
13528 /*first.maybeThinking = TRUE;*/
13529 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13530 EngineOutputPopUp();
13532 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13537 StartAnalysisClock();
13538 GetTimeMark(&lastNodeCountTime);
13544 AnalyzeFileEvent ()
13546 if (appData.noChessProgram || gameMode == AnalyzeFile)
13549 if (!first.analysisSupport) {
13551 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13552 DisplayError(buf, 0);
13556 if (gameMode != AnalyzeMode) {
13558 if (gameMode != EditGame) return;
13559 if (!appData.showThinking) ToggleShowThinking();
13560 ResurrectChessProgram();
13561 SendToProgram("analyze\n", &first);
13562 first.analyzing = TRUE;
13563 /*first.maybeThinking = TRUE;*/
13564 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13565 EngineOutputPopUp();
13567 gameMode = AnalyzeFile;
13572 StartAnalysisClock();
13573 GetTimeMark(&lastNodeCountTime);
13575 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13576 AnalysisPeriodicEvent(1);
13580 MachineWhiteEvent ()
13583 char *bookHit = NULL;
13585 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13589 if (gameMode == PlayFromGameFile ||
13590 gameMode == TwoMachinesPlay ||
13591 gameMode == Training ||
13592 gameMode == AnalyzeMode ||
13593 gameMode == EndOfGame)
13596 if (gameMode == EditPosition)
13597 EditPositionDone(TRUE);
13599 if (!WhiteOnMove(currentMove)) {
13600 DisplayError(_("It is not White's turn"), 0);
13604 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13607 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13608 gameMode == AnalyzeFile)
13611 ResurrectChessProgram(); /* in case it isn't running */
13612 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13613 gameMode = MachinePlaysWhite;
13616 gameMode = MachinePlaysWhite;
13620 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13622 if (first.sendName) {
13623 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13624 SendToProgram(buf, &first);
13626 if (first.sendTime) {
13627 if (first.useColors) {
13628 SendToProgram("black\n", &first); /*gnu kludge*/
13630 SendTimeRemaining(&first, TRUE);
13632 if (first.useColors) {
13633 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13635 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13636 SetMachineThinkingEnables();
13637 first.maybeThinking = TRUE;
13641 if (appData.autoFlipView && !flipView) {
13642 flipView = !flipView;
13643 DrawPosition(FALSE, NULL);
13644 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13647 if(bookHit) { // [HGM] book: simulate book reply
13648 static char bookMove[MSG_SIZ]; // a bit generous?
13650 programStats.nodes = programStats.depth = programStats.time =
13651 programStats.score = programStats.got_only_move = 0;
13652 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13654 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13655 strcat(bookMove, bookHit);
13656 HandleMachineMove(bookMove, &first);
13661 MachineBlackEvent ()
13664 char *bookHit = NULL;
13666 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13670 if (gameMode == PlayFromGameFile ||
13671 gameMode == TwoMachinesPlay ||
13672 gameMode == Training ||
13673 gameMode == AnalyzeMode ||
13674 gameMode == EndOfGame)
13677 if (gameMode == EditPosition)
13678 EditPositionDone(TRUE);
13680 if (WhiteOnMove(currentMove)) {
13681 DisplayError(_("It is not Black's turn"), 0);
13685 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13688 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13689 gameMode == AnalyzeFile)
13692 ResurrectChessProgram(); /* in case it isn't running */
13693 gameMode = MachinePlaysBlack;
13697 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13699 if (first.sendName) {
13700 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13701 SendToProgram(buf, &first);
13703 if (first.sendTime) {
13704 if (first.useColors) {
13705 SendToProgram("white\n", &first); /*gnu kludge*/
13707 SendTimeRemaining(&first, FALSE);
13709 if (first.useColors) {
13710 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13712 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13713 SetMachineThinkingEnables();
13714 first.maybeThinking = TRUE;
13717 if (appData.autoFlipView && flipView) {
13718 flipView = !flipView;
13719 DrawPosition(FALSE, NULL);
13720 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13722 if(bookHit) { // [HGM] book: simulate book reply
13723 static char bookMove[MSG_SIZ]; // a bit generous?
13725 programStats.nodes = programStats.depth = programStats.time =
13726 programStats.score = programStats.got_only_move = 0;
13727 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13729 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13730 strcat(bookMove, bookHit);
13731 HandleMachineMove(bookMove, &first);
13737 DisplayTwoMachinesTitle ()
13740 if (appData.matchGames > 0) {
13741 if(appData.tourneyFile[0]) {
13742 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13743 gameInfo.white, _("vs."), gameInfo.black,
13744 nextGame+1, appData.matchGames+1,
13745 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13747 if (first.twoMachinesColor[0] == 'w') {
13748 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13749 gameInfo.white, _("vs."), gameInfo.black,
13750 first.matchWins, second.matchWins,
13751 matchGame - 1 - (first.matchWins + second.matchWins));
13753 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13754 gameInfo.white, _("vs."), gameInfo.black,
13755 second.matchWins, first.matchWins,
13756 matchGame - 1 - (first.matchWins + second.matchWins));
13759 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13765 SettingsMenuIfReady ()
13767 if (second.lastPing != second.lastPong) {
13768 DisplayMessage("", _("Waiting for second chess program"));
13769 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13773 DisplayMessage("", "");
13774 SettingsPopUp(&second);
13778 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13781 if (cps->pr == NoProc) {
13782 StartChessProgram(cps);
13783 if (cps->protocolVersion == 1) {
13786 /* kludge: allow timeout for initial "feature" command */
13788 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13789 DisplayMessage("", buf);
13790 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13798 TwoMachinesEvent P((void))
13802 ChessProgramState *onmove;
13803 char *bookHit = NULL;
13804 static int stalling = 0;
13808 if (appData.noChessProgram) return;
13810 switch (gameMode) {
13811 case TwoMachinesPlay:
13813 case MachinePlaysWhite:
13814 case MachinePlaysBlack:
13815 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13816 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13820 case BeginningOfGame:
13821 case PlayFromGameFile:
13824 if (gameMode != EditGame) return;
13827 EditPositionDone(TRUE);
13838 // forwardMostMove = currentMove;
13839 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13841 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13843 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13844 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13845 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13849 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13850 DisplayError("second engine does not play this", 0);
13855 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13856 SendToProgram("force\n", &second);
13858 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13861 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13862 if(appData.matchPause>10000 || appData.matchPause<10)
13863 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13864 wait = SubtractTimeMarks(&now, &pauseStart);
13865 if(wait < appData.matchPause) {
13866 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13869 // we are now committed to starting the game
13871 DisplayMessage("", "");
13872 if (startedFromSetupPosition) {
13873 SendBoard(&second, backwardMostMove);
13874 if (appData.debugMode) {
13875 fprintf(debugFP, "Two Machines\n");
13878 for (i = backwardMostMove; i < forwardMostMove; i++) {
13879 SendMoveToProgram(i, &second);
13882 gameMode = TwoMachinesPlay;
13884 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13886 DisplayTwoMachinesTitle();
13888 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13893 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13894 SendToProgram(first.computerString, &first);
13895 if (first.sendName) {
13896 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13897 SendToProgram(buf, &first);
13899 SendToProgram(second.computerString, &second);
13900 if (second.sendName) {
13901 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13902 SendToProgram(buf, &second);
13906 if (!first.sendTime || !second.sendTime) {
13907 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13908 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13910 if (onmove->sendTime) {
13911 if (onmove->useColors) {
13912 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13914 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13916 if (onmove->useColors) {
13917 SendToProgram(onmove->twoMachinesColor, onmove);
13919 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13920 // SendToProgram("go\n", onmove);
13921 onmove->maybeThinking = TRUE;
13922 SetMachineThinkingEnables();
13926 if(bookHit) { // [HGM] book: simulate book reply
13927 static char bookMove[MSG_SIZ]; // a bit generous?
13929 programStats.nodes = programStats.depth = programStats.time =
13930 programStats.score = programStats.got_only_move = 0;
13931 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13933 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13934 strcat(bookMove, bookHit);
13935 savedMessage = bookMove; // args for deferred call
13936 savedState = onmove;
13937 ScheduleDelayedEvent(DeferredBookMove, 1);
13944 if (gameMode == Training) {
13945 SetTrainingModeOff();
13946 gameMode = PlayFromGameFile;
13947 DisplayMessage("", _("Training mode off"));
13949 gameMode = Training;
13950 animateTraining = appData.animate;
13952 /* make sure we are not already at the end of the game */
13953 if (currentMove < forwardMostMove) {
13954 SetTrainingModeOn();
13955 DisplayMessage("", _("Training mode on"));
13957 gameMode = PlayFromGameFile;
13958 DisplayError(_("Already at end of game"), 0);
13967 if (!appData.icsActive) return;
13968 switch (gameMode) {
13969 case IcsPlayingWhite:
13970 case IcsPlayingBlack:
13973 case BeginningOfGame:
13981 EditPositionDone(TRUE);
13994 gameMode = IcsIdle;
14004 switch (gameMode) {
14006 SetTrainingModeOff();
14008 case MachinePlaysWhite:
14009 case MachinePlaysBlack:
14010 case BeginningOfGame:
14011 SendToProgram("force\n", &first);
14012 SetUserThinkingEnables();
14014 case PlayFromGameFile:
14015 (void) StopLoadGameTimer();
14016 if (gameFileFP != NULL) {
14021 EditPositionDone(TRUE);
14026 SendToProgram("force\n", &first);
14028 case TwoMachinesPlay:
14029 GameEnds(EndOfFile, NULL, GE_PLAYER);
14030 ResurrectChessProgram();
14031 SetUserThinkingEnables();
14034 ResurrectChessProgram();
14036 case IcsPlayingBlack:
14037 case IcsPlayingWhite:
14038 DisplayError(_("Warning: You are still playing a game"), 0);
14041 DisplayError(_("Warning: You are still observing a game"), 0);
14044 DisplayError(_("Warning: You are still examining a game"), 0);
14055 first.offeredDraw = second.offeredDraw = 0;
14057 if (gameMode == PlayFromGameFile) {
14058 whiteTimeRemaining = timeRemaining[0][currentMove];
14059 blackTimeRemaining = timeRemaining[1][currentMove];
14063 if (gameMode == MachinePlaysWhite ||
14064 gameMode == MachinePlaysBlack ||
14065 gameMode == TwoMachinesPlay ||
14066 gameMode == EndOfGame) {
14067 i = forwardMostMove;
14068 while (i > currentMove) {
14069 SendToProgram("undo\n", &first);
14072 if(!adjustedClock) {
14073 whiteTimeRemaining = timeRemaining[0][currentMove];
14074 blackTimeRemaining = timeRemaining[1][currentMove];
14075 DisplayBothClocks();
14077 if (whiteFlag || blackFlag) {
14078 whiteFlag = blackFlag = 0;
14083 gameMode = EditGame;
14090 EditPositionEvent ()
14092 if (gameMode == EditPosition) {
14098 if (gameMode != EditGame) return;
14100 gameMode = EditPosition;
14103 if (currentMove > 0)
14104 CopyBoard(boards[0], boards[currentMove]);
14106 blackPlaysFirst = !WhiteOnMove(currentMove);
14108 currentMove = forwardMostMove = backwardMostMove = 0;
14109 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14111 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14117 /* [DM] icsEngineAnalyze - possible call from other functions */
14118 if (appData.icsEngineAnalyze) {
14119 appData.icsEngineAnalyze = FALSE;
14121 DisplayMessage("",_("Close ICS engine analyze..."));
14123 if (first.analysisSupport && first.analyzing) {
14124 SendToBoth("exit\n");
14125 first.analyzing = second.analyzing = FALSE;
14127 thinkOutput[0] = NULLCHAR;
14131 EditPositionDone (Boolean fakeRights)
14133 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14135 startedFromSetupPosition = TRUE;
14136 InitChessProgram(&first, FALSE);
14137 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14138 boards[0][EP_STATUS] = EP_NONE;
14139 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14140 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14141 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14142 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14143 } else boards[0][CASTLING][2] = NoRights;
14144 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14145 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14146 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14147 } else boards[0][CASTLING][5] = NoRights;
14148 if(gameInfo.variant == VariantSChess) {
14150 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14151 boards[0][VIRGIN][i] = 0;
14152 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14153 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14157 SendToProgram("force\n", &first);
14158 if (blackPlaysFirst) {
14159 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14160 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14161 currentMove = forwardMostMove = backwardMostMove = 1;
14162 CopyBoard(boards[1], boards[0]);
14164 currentMove = forwardMostMove = backwardMostMove = 0;
14166 SendBoard(&first, forwardMostMove);
14167 if (appData.debugMode) {
14168 fprintf(debugFP, "EditPosDone\n");
14171 DisplayMessage("", "");
14172 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14173 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14174 gameMode = EditGame;
14176 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14177 ClearHighlights(); /* [AS] */
14180 /* Pause for `ms' milliseconds */
14181 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14183 TimeDelay (long ms)
14190 } while (SubtractTimeMarks(&m2, &m1) < ms);
14193 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14195 SendMultiLineToICS (char *buf)
14197 char temp[MSG_SIZ+1], *p;
14204 strncpy(temp, buf, len);
14209 if (*p == '\n' || *p == '\r')
14214 strcat(temp, "\n");
14216 SendToPlayer(temp, strlen(temp));
14220 SetWhiteToPlayEvent ()
14222 if (gameMode == EditPosition) {
14223 blackPlaysFirst = FALSE;
14224 DisplayBothClocks(); /* works because currentMove is 0 */
14225 } else if (gameMode == IcsExamining) {
14226 SendToICS(ics_prefix);
14227 SendToICS("tomove white\n");
14232 SetBlackToPlayEvent ()
14234 if (gameMode == EditPosition) {
14235 blackPlaysFirst = TRUE;
14236 currentMove = 1; /* kludge */
14237 DisplayBothClocks();
14239 } else if (gameMode == IcsExamining) {
14240 SendToICS(ics_prefix);
14241 SendToICS("tomove black\n");
14246 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14249 ChessSquare piece = boards[0][y][x];
14251 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14253 switch (selection) {
14255 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14256 SendToICS(ics_prefix);
14257 SendToICS("bsetup clear\n");
14258 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14259 SendToICS(ics_prefix);
14260 SendToICS("clearboard\n");
14262 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14263 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14264 for (y = 0; y < BOARD_HEIGHT; y++) {
14265 if (gameMode == IcsExamining) {
14266 if (boards[currentMove][y][x] != EmptySquare) {
14267 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14272 boards[0][y][x] = p;
14277 if (gameMode == EditPosition) {
14278 DrawPosition(FALSE, boards[0]);
14283 SetWhiteToPlayEvent();
14287 SetBlackToPlayEvent();
14291 if (gameMode == IcsExamining) {
14292 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14293 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14296 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14297 if(x == BOARD_LEFT-2) {
14298 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14299 boards[0][y][1] = 0;
14301 if(x == BOARD_RGHT+1) {
14302 if(y >= gameInfo.holdingsSize) break;
14303 boards[0][y][BOARD_WIDTH-2] = 0;
14306 boards[0][y][x] = EmptySquare;
14307 DrawPosition(FALSE, boards[0]);
14312 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14313 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14314 selection = (ChessSquare) (PROMOTED piece);
14315 } else if(piece == EmptySquare) selection = WhiteSilver;
14316 else selection = (ChessSquare)((int)piece - 1);
14320 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14321 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14322 selection = (ChessSquare) (DEMOTED piece);
14323 } else if(piece == EmptySquare) selection = BlackSilver;
14324 else selection = (ChessSquare)((int)piece + 1);
14329 if(gameInfo.variant == VariantShatranj ||
14330 gameInfo.variant == VariantXiangqi ||
14331 gameInfo.variant == VariantCourier ||
14332 gameInfo.variant == VariantMakruk )
14333 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14338 if(gameInfo.variant == VariantXiangqi)
14339 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14340 if(gameInfo.variant == VariantKnightmate)
14341 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14344 if (gameMode == IcsExamining) {
14345 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14346 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14347 PieceToChar(selection), AAA + x, ONE + y);
14350 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14352 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14353 n = PieceToNumber(selection - BlackPawn);
14354 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14355 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14356 boards[0][BOARD_HEIGHT-1-n][1]++;
14358 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14359 n = PieceToNumber(selection);
14360 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14361 boards[0][n][BOARD_WIDTH-1] = selection;
14362 boards[0][n][BOARD_WIDTH-2]++;
14365 boards[0][y][x] = selection;
14366 DrawPosition(TRUE, boards[0]);
14368 fromX = fromY = -1;
14376 DropMenuEvent (ChessSquare selection, int x, int y)
14378 ChessMove moveType;
14380 switch (gameMode) {
14381 case IcsPlayingWhite:
14382 case MachinePlaysBlack:
14383 if (!WhiteOnMove(currentMove)) {
14384 DisplayMoveError(_("It is Black's turn"));
14387 moveType = WhiteDrop;
14389 case IcsPlayingBlack:
14390 case MachinePlaysWhite:
14391 if (WhiteOnMove(currentMove)) {
14392 DisplayMoveError(_("It is White's turn"));
14395 moveType = BlackDrop;
14398 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14404 if (moveType == BlackDrop && selection < BlackPawn) {
14405 selection = (ChessSquare) ((int) selection
14406 + (int) BlackPawn - (int) WhitePawn);
14408 if (boards[currentMove][y][x] != EmptySquare) {
14409 DisplayMoveError(_("That square is occupied"));
14413 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14419 /* Accept a pending offer of any kind from opponent */
14421 if (appData.icsActive) {
14422 SendToICS(ics_prefix);
14423 SendToICS("accept\n");
14424 } else if (cmailMsgLoaded) {
14425 if (currentMove == cmailOldMove &&
14426 commentList[cmailOldMove] != NULL &&
14427 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14428 "Black offers a draw" : "White offers a draw")) {
14430 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14431 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14433 DisplayError(_("There is no pending offer on this move"), 0);
14434 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14437 /* Not used for offers from chess program */
14444 /* Decline a pending offer of any kind from opponent */
14446 if (appData.icsActive) {
14447 SendToICS(ics_prefix);
14448 SendToICS("decline\n");
14449 } else if (cmailMsgLoaded) {
14450 if (currentMove == cmailOldMove &&
14451 commentList[cmailOldMove] != NULL &&
14452 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14453 "Black offers a draw" : "White offers a draw")) {
14455 AppendComment(cmailOldMove, "Draw declined", TRUE);
14456 DisplayComment(cmailOldMove - 1, "Draw declined");
14459 DisplayError(_("There is no pending offer on this move"), 0);
14462 /* Not used for offers from chess program */
14469 /* Issue ICS rematch command */
14470 if (appData.icsActive) {
14471 SendToICS(ics_prefix);
14472 SendToICS("rematch\n");
14479 /* Call your opponent's flag (claim a win on time) */
14480 if (appData.icsActive) {
14481 SendToICS(ics_prefix);
14482 SendToICS("flag\n");
14484 switch (gameMode) {
14487 case MachinePlaysWhite:
14490 GameEnds(GameIsDrawn, "Both players ran out of time",
14493 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14495 DisplayError(_("Your opponent is not out of time"), 0);
14498 case MachinePlaysBlack:
14501 GameEnds(GameIsDrawn, "Both players ran out of time",
14504 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14506 DisplayError(_("Your opponent is not out of time"), 0);
14514 ClockClick (int which)
14515 { // [HGM] code moved to back-end from winboard.c
14516 if(which) { // black clock
14517 if (gameMode == EditPosition || gameMode == IcsExamining) {
14518 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14519 SetBlackToPlayEvent();
14520 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14521 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14522 } else if (shiftKey) {
14523 AdjustClock(which, -1);
14524 } else if (gameMode == IcsPlayingWhite ||
14525 gameMode == MachinePlaysBlack) {
14528 } else { // white clock
14529 if (gameMode == EditPosition || gameMode == IcsExamining) {
14530 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14531 SetWhiteToPlayEvent();
14532 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14533 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14534 } else if (shiftKey) {
14535 AdjustClock(which, -1);
14536 } else if (gameMode == IcsPlayingBlack ||
14537 gameMode == MachinePlaysWhite) {
14546 /* Offer draw or accept pending draw offer from opponent */
14548 if (appData.icsActive) {
14549 /* Note: tournament rules require draw offers to be
14550 made after you make your move but before you punch
14551 your clock. Currently ICS doesn't let you do that;
14552 instead, you immediately punch your clock after making
14553 a move, but you can offer a draw at any time. */
14555 SendToICS(ics_prefix);
14556 SendToICS("draw\n");
14557 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14558 } else if (cmailMsgLoaded) {
14559 if (currentMove == cmailOldMove &&
14560 commentList[cmailOldMove] != NULL &&
14561 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14562 "Black offers a draw" : "White offers a draw")) {
14563 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14564 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14565 } else if (currentMove == cmailOldMove + 1) {
14566 char *offer = WhiteOnMove(cmailOldMove) ?
14567 "White offers a draw" : "Black offers a draw";
14568 AppendComment(currentMove, offer, TRUE);
14569 DisplayComment(currentMove - 1, offer);
14570 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14572 DisplayError(_("You must make your move before offering a draw"), 0);
14573 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14575 } else if (first.offeredDraw) {
14576 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14578 if (first.sendDrawOffers) {
14579 SendToProgram("draw\n", &first);
14580 userOfferedDraw = TRUE;
14588 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14590 if (appData.icsActive) {
14591 SendToICS(ics_prefix);
14592 SendToICS("adjourn\n");
14594 /* Currently GNU Chess doesn't offer or accept Adjourns */
14602 /* Offer Abort or accept pending Abort offer from opponent */
14604 if (appData.icsActive) {
14605 SendToICS(ics_prefix);
14606 SendToICS("abort\n");
14608 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14615 /* Resign. You can do this even if it's not your turn. */
14617 if (appData.icsActive) {
14618 SendToICS(ics_prefix);
14619 SendToICS("resign\n");
14621 switch (gameMode) {
14622 case MachinePlaysWhite:
14623 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14625 case MachinePlaysBlack:
14626 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14629 if (cmailMsgLoaded) {
14631 if (WhiteOnMove(cmailOldMove)) {
14632 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14634 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14636 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14647 StopObservingEvent ()
14649 /* Stop observing current games */
14650 SendToICS(ics_prefix);
14651 SendToICS("unobserve\n");
14655 StopExaminingEvent ()
14657 /* Stop observing current game */
14658 SendToICS(ics_prefix);
14659 SendToICS("unexamine\n");
14663 ForwardInner (int target)
14665 int limit; int oldSeekGraphUp = seekGraphUp;
14667 if (appData.debugMode)
14668 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14669 target, currentMove, forwardMostMove);
14671 if (gameMode == EditPosition)
14674 seekGraphUp = FALSE;
14675 MarkTargetSquares(1);
14677 if (gameMode == PlayFromGameFile && !pausing)
14680 if (gameMode == IcsExamining && pausing)
14681 limit = pauseExamForwardMostMove;
14683 limit = forwardMostMove;
14685 if (target > limit) target = limit;
14687 if (target > 0 && moveList[target - 1][0]) {
14688 int fromX, fromY, toX, toY;
14689 toX = moveList[target - 1][2] - AAA;
14690 toY = moveList[target - 1][3] - ONE;
14691 if (moveList[target - 1][1] == '@') {
14692 if (appData.highlightLastMove) {
14693 SetHighlights(-1, -1, toX, toY);
14696 fromX = moveList[target - 1][0] - AAA;
14697 fromY = moveList[target - 1][1] - ONE;
14698 if (target == currentMove + 1) {
14699 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14701 if (appData.highlightLastMove) {
14702 SetHighlights(fromX, fromY, toX, toY);
14706 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14707 gameMode == Training || gameMode == PlayFromGameFile ||
14708 gameMode == AnalyzeFile) {
14709 while (currentMove < target) {
14710 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14711 SendMoveToProgram(currentMove++, &first);
14714 currentMove = target;
14717 if (gameMode == EditGame || gameMode == EndOfGame) {
14718 whiteTimeRemaining = timeRemaining[0][currentMove];
14719 blackTimeRemaining = timeRemaining[1][currentMove];
14721 DisplayBothClocks();
14722 DisplayMove(currentMove - 1);
14723 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14724 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14725 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14726 DisplayComment(currentMove - 1, commentList[currentMove]);
14728 ClearMap(); // [HGM] exclude: invalidate map
14735 if (gameMode == IcsExamining && !pausing) {
14736 SendToICS(ics_prefix);
14737 SendToICS("forward\n");
14739 ForwardInner(currentMove + 1);
14746 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14747 /* to optimze, we temporarily turn off analysis mode while we feed
14748 * the remaining moves to the engine. Otherwise we get analysis output
14751 if (first.analysisSupport) {
14752 SendToProgram("exit\nforce\n", &first);
14753 first.analyzing = FALSE;
14757 if (gameMode == IcsExamining && !pausing) {
14758 SendToICS(ics_prefix);
14759 SendToICS("forward 999999\n");
14761 ForwardInner(forwardMostMove);
14764 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14765 /* we have fed all the moves, so reactivate analysis mode */
14766 SendToProgram("analyze\n", &first);
14767 first.analyzing = TRUE;
14768 /*first.maybeThinking = TRUE;*/
14769 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14774 BackwardInner (int target)
14776 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14778 if (appData.debugMode)
14779 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14780 target, currentMove, forwardMostMove);
14782 if (gameMode == EditPosition) return;
14783 seekGraphUp = FALSE;
14784 MarkTargetSquares(1);
14785 if (currentMove <= backwardMostMove) {
14787 DrawPosition(full_redraw, boards[currentMove]);
14790 if (gameMode == PlayFromGameFile && !pausing)
14793 if (moveList[target][0]) {
14794 int fromX, fromY, toX, toY;
14795 toX = moveList[target][2] - AAA;
14796 toY = moveList[target][3] - ONE;
14797 if (moveList[target][1] == '@') {
14798 if (appData.highlightLastMove) {
14799 SetHighlights(-1, -1, toX, toY);
14802 fromX = moveList[target][0] - AAA;
14803 fromY = moveList[target][1] - ONE;
14804 if (target == currentMove - 1) {
14805 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14807 if (appData.highlightLastMove) {
14808 SetHighlights(fromX, fromY, toX, toY);
14812 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14813 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14814 while (currentMove > target) {
14815 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14816 // null move cannot be undone. Reload program with move history before it.
14818 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14819 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14821 SendBoard(&first, i);
14822 if(second.analyzing) SendBoard(&second, i);
14823 for(currentMove=i; currentMove<target; currentMove++) {
14824 SendMoveToProgram(currentMove, &first);
14825 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14829 SendToBoth("undo\n");
14833 currentMove = target;
14836 if (gameMode == EditGame || gameMode == EndOfGame) {
14837 whiteTimeRemaining = timeRemaining[0][currentMove];
14838 blackTimeRemaining = timeRemaining[1][currentMove];
14840 DisplayBothClocks();
14841 DisplayMove(currentMove - 1);
14842 DrawPosition(full_redraw, boards[currentMove]);
14843 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14844 // [HGM] PV info: routine tests if comment empty
14845 DisplayComment(currentMove - 1, commentList[currentMove]);
14846 ClearMap(); // [HGM] exclude: invalidate map
14852 if (gameMode == IcsExamining && !pausing) {
14853 SendToICS(ics_prefix);
14854 SendToICS("backward\n");
14856 BackwardInner(currentMove - 1);
14863 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14864 /* to optimize, we temporarily turn off analysis mode while we undo
14865 * all the moves. Otherwise we get analysis output after each undo.
14867 if (first.analysisSupport) {
14868 SendToProgram("exit\nforce\n", &first);
14869 first.analyzing = FALSE;
14873 if (gameMode == IcsExamining && !pausing) {
14874 SendToICS(ics_prefix);
14875 SendToICS("backward 999999\n");
14877 BackwardInner(backwardMostMove);
14880 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14881 /* we have fed all the moves, so reactivate analysis mode */
14882 SendToProgram("analyze\n", &first);
14883 first.analyzing = TRUE;
14884 /*first.maybeThinking = TRUE;*/
14885 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14892 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14893 if (to >= forwardMostMove) to = forwardMostMove;
14894 if (to <= backwardMostMove) to = backwardMostMove;
14895 if (to < currentMove) {
14903 RevertEvent (Boolean annotate)
14905 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14908 if (gameMode != IcsExamining) {
14909 DisplayError(_("You are not examining a game"), 0);
14913 DisplayError(_("You can't revert while pausing"), 0);
14916 SendToICS(ics_prefix);
14917 SendToICS("revert\n");
14921 RetractMoveEvent ()
14923 switch (gameMode) {
14924 case MachinePlaysWhite:
14925 case MachinePlaysBlack:
14926 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14927 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14930 if (forwardMostMove < 2) return;
14931 currentMove = forwardMostMove = forwardMostMove - 2;
14932 whiteTimeRemaining = timeRemaining[0][currentMove];
14933 blackTimeRemaining = timeRemaining[1][currentMove];
14934 DisplayBothClocks();
14935 DisplayMove(currentMove - 1);
14936 ClearHighlights();/*!! could figure this out*/
14937 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14938 SendToProgram("remove\n", &first);
14939 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14942 case BeginningOfGame:
14946 case IcsPlayingWhite:
14947 case IcsPlayingBlack:
14948 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14949 SendToICS(ics_prefix);
14950 SendToICS("takeback 2\n");
14952 SendToICS(ics_prefix);
14953 SendToICS("takeback 1\n");
14962 ChessProgramState *cps;
14964 switch (gameMode) {
14965 case MachinePlaysWhite:
14966 if (!WhiteOnMove(forwardMostMove)) {
14967 DisplayError(_("It is your turn"), 0);
14972 case MachinePlaysBlack:
14973 if (WhiteOnMove(forwardMostMove)) {
14974 DisplayError(_("It is your turn"), 0);
14979 case TwoMachinesPlay:
14980 if (WhiteOnMove(forwardMostMove) ==
14981 (first.twoMachinesColor[0] == 'w')) {
14987 case BeginningOfGame:
14991 SendToProgram("?\n", cps);
14995 TruncateGameEvent ()
14998 if (gameMode != EditGame) return;
15005 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15006 if (forwardMostMove > currentMove) {
15007 if (gameInfo.resultDetails != NULL) {
15008 free(gameInfo.resultDetails);
15009 gameInfo.resultDetails = NULL;
15010 gameInfo.result = GameUnfinished;
15012 forwardMostMove = currentMove;
15013 HistorySet(parseList, backwardMostMove, forwardMostMove,
15021 if (appData.noChessProgram) return;
15022 switch (gameMode) {
15023 case MachinePlaysWhite:
15024 if (WhiteOnMove(forwardMostMove)) {
15025 DisplayError(_("Wait until your turn"), 0);
15029 case BeginningOfGame:
15030 case MachinePlaysBlack:
15031 if (!WhiteOnMove(forwardMostMove)) {
15032 DisplayError(_("Wait until your turn"), 0);
15037 DisplayError(_("No hint available"), 0);
15040 SendToProgram("hint\n", &first);
15041 hintRequested = TRUE;
15047 ListGame * lg = (ListGame *) gameList.head;
15050 static int secondTime = FALSE;
15052 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15053 DisplayError(_("Game list not loaded or empty"), 0);
15057 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15060 DisplayNote(_("Book file exists! Try again for overwrite."));
15064 creatingBook = TRUE;
15065 secondTime = FALSE;
15067 /* Get list size */
15068 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15069 LoadGame(f, nItem, "", TRUE);
15070 AddGameToBook(TRUE);
15071 lg = (ListGame *) lg->node.succ;
15074 creatingBook = FALSE;
15081 if (appData.noChessProgram) return;
15082 switch (gameMode) {
15083 case MachinePlaysWhite:
15084 if (WhiteOnMove(forwardMostMove)) {
15085 DisplayError(_("Wait until your turn"), 0);
15089 case BeginningOfGame:
15090 case MachinePlaysBlack:
15091 if (!WhiteOnMove(forwardMostMove)) {
15092 DisplayError(_("Wait until your turn"), 0);
15097 EditPositionDone(TRUE);
15099 case TwoMachinesPlay:
15104 SendToProgram("bk\n", &first);
15105 bookOutput[0] = NULLCHAR;
15106 bookRequested = TRUE;
15112 char *tags = PGNTags(&gameInfo);
15113 TagsPopUp(tags, CmailMsg());
15117 /* end button procedures */
15120 PrintPosition (FILE *fp, int move)
15124 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15125 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15126 char c = PieceToChar(boards[move][i][j]);
15127 fputc(c == 'x' ? '.' : c, fp);
15128 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15131 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15132 fprintf(fp, "white to play\n");
15134 fprintf(fp, "black to play\n");
15138 PrintOpponents (FILE *fp)
15140 if (gameInfo.white != NULL) {
15141 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15147 /* Find last component of program's own name, using some heuristics */
15149 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15152 int local = (strcmp(host, "localhost") == 0);
15153 while (!local && (p = strchr(prog, ';')) != NULL) {
15155 while (*p == ' ') p++;
15158 if (*prog == '"' || *prog == '\'') {
15159 q = strchr(prog + 1, *prog);
15161 q = strchr(prog, ' ');
15163 if (q == NULL) q = prog + strlen(prog);
15165 while (p >= prog && *p != '/' && *p != '\\') p--;
15167 if(p == prog && *p == '"') p++;
15169 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15170 memcpy(buf, p, q - p);
15171 buf[q - p] = NULLCHAR;
15179 TimeControlTagValue ()
15182 if (!appData.clockMode) {
15183 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15184 } else if (movesPerSession > 0) {
15185 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15186 } else if (timeIncrement == 0) {
15187 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15189 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15191 return StrSave(buf);
15197 /* This routine is used only for certain modes */
15198 VariantClass v = gameInfo.variant;
15199 ChessMove r = GameUnfinished;
15202 if(keepInfo) return;
15204 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15205 r = gameInfo.result;
15206 p = gameInfo.resultDetails;
15207 gameInfo.resultDetails = NULL;
15209 ClearGameInfo(&gameInfo);
15210 gameInfo.variant = v;
15212 switch (gameMode) {
15213 case MachinePlaysWhite:
15214 gameInfo.event = StrSave( appData.pgnEventHeader );
15215 gameInfo.site = StrSave(HostName());
15216 gameInfo.date = PGNDate();
15217 gameInfo.round = StrSave("-");
15218 gameInfo.white = StrSave(first.tidy);
15219 gameInfo.black = StrSave(UserName());
15220 gameInfo.timeControl = TimeControlTagValue();
15223 case MachinePlaysBlack:
15224 gameInfo.event = StrSave( appData.pgnEventHeader );
15225 gameInfo.site = StrSave(HostName());
15226 gameInfo.date = PGNDate();
15227 gameInfo.round = StrSave("-");
15228 gameInfo.white = StrSave(UserName());
15229 gameInfo.black = StrSave(first.tidy);
15230 gameInfo.timeControl = TimeControlTagValue();
15233 case TwoMachinesPlay:
15234 gameInfo.event = StrSave( appData.pgnEventHeader );
15235 gameInfo.site = StrSave(HostName());
15236 gameInfo.date = PGNDate();
15239 snprintf(buf, MSG_SIZ, "%d", roundNr);
15240 gameInfo.round = StrSave(buf);
15242 gameInfo.round = StrSave("-");
15244 if (first.twoMachinesColor[0] == 'w') {
15245 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15246 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15248 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15249 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15251 gameInfo.timeControl = TimeControlTagValue();
15255 gameInfo.event = StrSave("Edited game");
15256 gameInfo.site = StrSave(HostName());
15257 gameInfo.date = PGNDate();
15258 gameInfo.round = StrSave("-");
15259 gameInfo.white = StrSave("-");
15260 gameInfo.black = StrSave("-");
15261 gameInfo.result = r;
15262 gameInfo.resultDetails = p;
15266 gameInfo.event = StrSave("Edited position");
15267 gameInfo.site = StrSave(HostName());
15268 gameInfo.date = PGNDate();
15269 gameInfo.round = StrSave("-");
15270 gameInfo.white = StrSave("-");
15271 gameInfo.black = StrSave("-");
15274 case IcsPlayingWhite:
15275 case IcsPlayingBlack:
15280 case PlayFromGameFile:
15281 gameInfo.event = StrSave("Game from non-PGN file");
15282 gameInfo.site = StrSave(HostName());
15283 gameInfo.date = PGNDate();
15284 gameInfo.round = StrSave("-");
15285 gameInfo.white = StrSave("?");
15286 gameInfo.black = StrSave("?");
15295 ReplaceComment (int index, char *text)
15301 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15302 pvInfoList[index-1].depth == len &&
15303 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15304 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15305 while (*text == '\n') text++;
15306 len = strlen(text);
15307 while (len > 0 && text[len - 1] == '\n') len--;
15309 if (commentList[index] != NULL)
15310 free(commentList[index]);
15313 commentList[index] = NULL;
15316 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15317 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15318 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15319 commentList[index] = (char *) malloc(len + 2);
15320 strncpy(commentList[index], text, len);
15321 commentList[index][len] = '\n';
15322 commentList[index][len + 1] = NULLCHAR;
15324 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15326 commentList[index] = (char *) malloc(len + 7);
15327 safeStrCpy(commentList[index], "{\n", 3);
15328 safeStrCpy(commentList[index]+2, text, len+1);
15329 commentList[index][len+2] = NULLCHAR;
15330 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15331 strcat(commentList[index], "\n}\n");
15336 CrushCRs (char *text)
15344 if (ch == '\r') continue;
15346 } while (ch != '\0');
15350 AppendComment (int index, char *text, Boolean addBraces)
15351 /* addBraces tells if we should add {} */
15356 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15357 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15360 while (*text == '\n') text++;
15361 len = strlen(text);
15362 while (len > 0 && text[len - 1] == '\n') len--;
15363 text[len] = NULLCHAR;
15365 if (len == 0) return;
15367 if (commentList[index] != NULL) {
15368 Boolean addClosingBrace = addBraces;
15369 old = commentList[index];
15370 oldlen = strlen(old);
15371 while(commentList[index][oldlen-1] == '\n')
15372 commentList[index][--oldlen] = NULLCHAR;
15373 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15374 safeStrCpy(commentList[index], old, oldlen + len + 6);
15376 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15377 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15378 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15379 while (*text == '\n') { text++; len--; }
15380 commentList[index][--oldlen] = NULLCHAR;
15382 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15383 else strcat(commentList[index], "\n");
15384 strcat(commentList[index], text);
15385 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15386 else strcat(commentList[index], "\n");
15388 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15390 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15391 else commentList[index][0] = NULLCHAR;
15392 strcat(commentList[index], text);
15393 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15394 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15399 FindStr (char * text, char * sub_text)
15401 char * result = strstr( text, sub_text );
15403 if( result != NULL ) {
15404 result += strlen( sub_text );
15410 /* [AS] Try to extract PV info from PGN comment */
15411 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15413 GetInfoFromComment (int index, char * text)
15415 char * sep = text, *p;
15417 if( text != NULL && index > 0 ) {
15420 int time = -1, sec = 0, deci;
15421 char * s_eval = FindStr( text, "[%eval " );
15422 char * s_emt = FindStr( text, "[%emt " );
15424 if( s_eval != NULL || s_emt != NULL ) {
15428 if( s_eval != NULL ) {
15429 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15433 if( delim != ']' ) {
15438 if( s_emt != NULL ) {
15443 /* We expect something like: [+|-]nnn.nn/dd */
15446 if(*text != '{') return text; // [HGM] braces: must be normal comment
15448 sep = strchr( text, '/' );
15449 if( sep == NULL || sep < (text+4) ) {
15454 if(p[1] == '(') { // comment starts with PV
15455 p = strchr(p, ')'); // locate end of PV
15456 if(p == NULL || sep < p+5) return text;
15457 // at this point we have something like "{(.*) +0.23/6 ..."
15458 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15459 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15460 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15462 time = -1; sec = -1; deci = -1;
15463 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15464 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15465 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15466 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15470 if( score_lo < 0 || score_lo >= 100 ) {
15474 if(sec >= 0) time = 600*time + 10*sec; else
15475 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15477 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15479 /* [HGM] PV time: now locate end of PV info */
15480 while( *++sep >= '0' && *sep <= '9'); // strip depth
15482 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15484 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15486 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15487 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15498 pvInfoList[index-1].depth = depth;
15499 pvInfoList[index-1].score = score;
15500 pvInfoList[index-1].time = 10*time; // centi-sec
15501 if(*sep == '}') *sep = 0; else *--sep = '{';
15502 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15508 SendToProgram (char *message, ChessProgramState *cps)
15510 int count, outCount, error;
15513 if (cps->pr == NoProc) return;
15516 if (appData.debugMode) {
15519 fprintf(debugFP, "%ld >%-6s: %s",
15520 SubtractTimeMarks(&now, &programStartTime),
15521 cps->which, message);
15523 fprintf(serverFP, "%ld >%-6s: %s",
15524 SubtractTimeMarks(&now, &programStartTime),
15525 cps->which, message), fflush(serverFP);
15528 count = strlen(message);
15529 outCount = OutputToProcess(cps->pr, message, count, &error);
15530 if (outCount < count && !exiting
15531 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15532 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15533 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15534 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15535 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15536 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15537 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15538 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15540 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15541 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15542 gameInfo.result = res;
15544 gameInfo.resultDetails = StrSave(buf);
15546 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15547 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15552 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15556 ChessProgramState *cps = (ChessProgramState *)closure;
15558 if (isr != cps->isr) return; /* Killed intentionally */
15561 RemoveInputSource(cps->isr);
15562 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15563 _(cps->which), cps->program);
15564 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15565 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15566 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15567 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15568 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15569 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15571 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15572 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15573 gameInfo.result = res;
15575 gameInfo.resultDetails = StrSave(buf);
15577 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15578 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15580 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15581 _(cps->which), cps->program);
15582 RemoveInputSource(cps->isr);
15584 /* [AS] Program is misbehaving badly... kill it */
15585 if( count == -2 ) {
15586 DestroyChildProcess( cps->pr, 9 );
15590 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15595 if ((end_str = strchr(message, '\r')) != NULL)
15596 *end_str = NULLCHAR;
15597 if ((end_str = strchr(message, '\n')) != NULL)
15598 *end_str = NULLCHAR;
15600 if (appData.debugMode) {
15601 TimeMark now; int print = 1;
15602 char *quote = ""; char c; int i;
15604 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15605 char start = message[0];
15606 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15607 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15608 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15609 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15610 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15611 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15612 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15613 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15614 sscanf(message, "hint: %c", &c)!=1 &&
15615 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15616 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15617 print = (appData.engineComments >= 2);
15619 message[0] = start; // restore original message
15623 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15624 SubtractTimeMarks(&now, &programStartTime), cps->which,
15628 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15629 SubtractTimeMarks(&now, &programStartTime), cps->which,
15631 message), fflush(serverFP);
15635 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15636 if (appData.icsEngineAnalyze) {
15637 if (strstr(message, "whisper") != NULL ||
15638 strstr(message, "kibitz") != NULL ||
15639 strstr(message, "tellics") != NULL) return;
15642 HandleMachineMove(message, cps);
15647 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15652 if( timeControl_2 > 0 ) {
15653 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15654 tc = timeControl_2;
15657 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15658 inc /= cps->timeOdds;
15659 st /= cps->timeOdds;
15661 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15664 /* Set exact time per move, normally using st command */
15665 if (cps->stKludge) {
15666 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15668 if (seconds == 0) {
15669 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15671 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15674 snprintf(buf, MSG_SIZ, "st %d\n", st);
15677 /* Set conventional or incremental time control, using level command */
15678 if (seconds == 0) {
15679 /* Note old gnuchess bug -- minutes:seconds used to not work.
15680 Fixed in later versions, but still avoid :seconds
15681 when seconds is 0. */
15682 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15684 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15685 seconds, inc/1000.);
15688 SendToProgram(buf, cps);
15690 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15691 /* Orthogonally, limit search to given depth */
15693 if (cps->sdKludge) {
15694 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15696 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15698 SendToProgram(buf, cps);
15701 if(cps->nps >= 0) { /* [HGM] nps */
15702 if(cps->supportsNPS == FALSE)
15703 cps->nps = -1; // don't use if engine explicitly says not supported!
15705 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15706 SendToProgram(buf, cps);
15711 ChessProgramState *
15713 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15715 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15716 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15722 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15724 char message[MSG_SIZ];
15727 /* Note: this routine must be called when the clocks are stopped
15728 or when they have *just* been set or switched; otherwise
15729 it will be off by the time since the current tick started.
15731 if (machineWhite) {
15732 time = whiteTimeRemaining / 10;
15733 otime = blackTimeRemaining / 10;
15735 time = blackTimeRemaining / 10;
15736 otime = whiteTimeRemaining / 10;
15738 /* [HGM] translate opponent's time by time-odds factor */
15739 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15741 if (time <= 0) time = 1;
15742 if (otime <= 0) otime = 1;
15744 snprintf(message, MSG_SIZ, "time %ld\n", time);
15745 SendToProgram(message, cps);
15747 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15748 SendToProgram(message, cps);
15752 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15755 int len = strlen(name);
15758 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15760 sscanf(*p, "%d", &val);
15762 while (**p && **p != ' ')
15764 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15765 SendToProgram(buf, cps);
15772 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15775 int len = strlen(name);
15776 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15778 sscanf(*p, "%d", loc);
15779 while (**p && **p != ' ') (*p)++;
15780 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15781 SendToProgram(buf, cps);
15788 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15791 int len = strlen(name);
15792 if (strncmp((*p), name, len) == 0
15793 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15795 sscanf(*p, "%[^\"]", loc);
15796 while (**p && **p != '\"') (*p)++;
15797 if (**p == '\"') (*p)++;
15798 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15799 SendToProgram(buf, cps);
15806 ParseOption (Option *opt, ChessProgramState *cps)
15807 // [HGM] options: process the string that defines an engine option, and determine
15808 // name, type, default value, and allowed value range
15810 char *p, *q, buf[MSG_SIZ];
15811 int n, min = (-1)<<31, max = 1<<31, def;
15813 if(p = strstr(opt->name, " -spin ")) {
15814 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15815 if(max < min) max = min; // enforce consistency
15816 if(def < min) def = min;
15817 if(def > max) def = max;
15822 } else if((p = strstr(opt->name, " -slider "))) {
15823 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15824 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15825 if(max < min) max = min; // enforce consistency
15826 if(def < min) def = min;
15827 if(def > max) def = max;
15831 opt->type = Spin; // Slider;
15832 } else if((p = strstr(opt->name, " -string "))) {
15833 opt->textValue = p+9;
15834 opt->type = TextBox;
15835 } else if((p = strstr(opt->name, " -file "))) {
15836 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15837 opt->textValue = p+7;
15838 opt->type = FileName; // FileName;
15839 } else if((p = strstr(opt->name, " -path "))) {
15840 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15841 opt->textValue = p+7;
15842 opt->type = PathName; // PathName;
15843 } else if(p = strstr(opt->name, " -check ")) {
15844 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15845 opt->value = (def != 0);
15846 opt->type = CheckBox;
15847 } else if(p = strstr(opt->name, " -combo ")) {
15848 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15849 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15850 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15851 opt->value = n = 0;
15852 while(q = StrStr(q, " /// ")) {
15853 n++; *q = 0; // count choices, and null-terminate each of them
15855 if(*q == '*') { // remember default, which is marked with * prefix
15859 cps->comboList[cps->comboCnt++] = q;
15861 cps->comboList[cps->comboCnt++] = NULL;
15863 opt->type = ComboBox;
15864 } else if(p = strstr(opt->name, " -button")) {
15865 opt->type = Button;
15866 } else if(p = strstr(opt->name, " -save")) {
15867 opt->type = SaveButton;
15868 } else return FALSE;
15869 *p = 0; // terminate option name
15870 // now look if the command-line options define a setting for this engine option.
15871 if(cps->optionSettings && cps->optionSettings[0])
15872 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15873 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15874 snprintf(buf, MSG_SIZ, "option %s", p);
15875 if(p = strstr(buf, ",")) *p = 0;
15876 if(q = strchr(buf, '=')) switch(opt->type) {
15878 for(n=0; n<opt->max; n++)
15879 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15882 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15886 opt->value = atoi(q+1);
15891 SendToProgram(buf, cps);
15897 FeatureDone (ChessProgramState *cps, int val)
15899 DelayedEventCallback cb = GetDelayedEvent();
15900 if ((cb == InitBackEnd3 && cps == &first) ||
15901 (cb == SettingsMenuIfReady && cps == &second) ||
15902 (cb == LoadEngine) ||
15903 (cb == TwoMachinesEventIfReady)) {
15904 CancelDelayedEvent();
15905 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15907 cps->initDone = val;
15910 /* Parse feature command from engine */
15912 ParseFeatures (char *args, ChessProgramState *cps)
15920 while (*p == ' ') p++;
15921 if (*p == NULLCHAR) return;
15923 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15924 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15925 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15926 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15927 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15928 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15929 if (BoolFeature(&p, "reuse", &val, cps)) {
15930 /* Engine can disable reuse, but can't enable it if user said no */
15931 if (!val) cps->reuse = FALSE;
15934 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15935 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15936 if (gameMode == TwoMachinesPlay) {
15937 DisplayTwoMachinesTitle();
15943 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15944 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15945 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15946 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15947 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15948 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15949 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
15950 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15951 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15952 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15953 if (IntFeature(&p, "done", &val, cps)) {
15954 FeatureDone(cps, val);
15957 /* Added by Tord: */
15958 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15959 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15960 /* End of additions by Tord */
15962 /* [HGM] added features: */
15963 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15964 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15965 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15966 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15967 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15968 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15969 if (StringFeature(&p, "option", buf, cps)) {
15970 FREE(cps->option[cps->nrOptions].name);
15971 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
15972 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
15973 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15974 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15975 SendToProgram(buf, cps);
15978 if(cps->nrOptions >= MAX_OPTIONS) {
15980 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15981 DisplayError(buf, 0);
15985 /* End of additions by HGM */
15987 /* unknown feature: complain and skip */
15989 while (*q && *q != '=') q++;
15990 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15991 SendToProgram(buf, cps);
15997 while (*p && *p != '\"') p++;
15998 if (*p == '\"') p++;
16000 while (*p && *p != ' ') p++;
16008 PeriodicUpdatesEvent (int newState)
16010 if (newState == appData.periodicUpdates)
16013 appData.periodicUpdates=newState;
16015 /* Display type changes, so update it now */
16016 // DisplayAnalysis();
16018 /* Get the ball rolling again... */
16020 AnalysisPeriodicEvent(1);
16021 StartAnalysisClock();
16026 PonderNextMoveEvent (int newState)
16028 if (newState == appData.ponderNextMove) return;
16029 if (gameMode == EditPosition) EditPositionDone(TRUE);
16031 SendToProgram("hard\n", &first);
16032 if (gameMode == TwoMachinesPlay) {
16033 SendToProgram("hard\n", &second);
16036 SendToProgram("easy\n", &first);
16037 thinkOutput[0] = NULLCHAR;
16038 if (gameMode == TwoMachinesPlay) {
16039 SendToProgram("easy\n", &second);
16042 appData.ponderNextMove = newState;
16046 NewSettingEvent (int option, int *feature, char *command, int value)
16050 if (gameMode == EditPosition) EditPositionDone(TRUE);
16051 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16052 if(feature == NULL || *feature) SendToProgram(buf, &first);
16053 if (gameMode == TwoMachinesPlay) {
16054 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16059 ShowThinkingEvent ()
16060 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16062 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16063 int newState = appData.showThinking
16064 // [HGM] thinking: other features now need thinking output as well
16065 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16067 if (oldState == newState) return;
16068 oldState = newState;
16069 if (gameMode == EditPosition) EditPositionDone(TRUE);
16071 SendToProgram("post\n", &first);
16072 if (gameMode == TwoMachinesPlay) {
16073 SendToProgram("post\n", &second);
16076 SendToProgram("nopost\n", &first);
16077 thinkOutput[0] = NULLCHAR;
16078 if (gameMode == TwoMachinesPlay) {
16079 SendToProgram("nopost\n", &second);
16082 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16086 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16088 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16089 if (pr == NoProc) return;
16090 AskQuestion(title, question, replyPrefix, pr);
16094 TypeInEvent (char firstChar)
16096 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16097 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16098 gameMode == AnalyzeMode || gameMode == EditGame ||
16099 gameMode == EditPosition || gameMode == IcsExamining ||
16100 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16101 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16102 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16103 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16104 gameMode == Training) PopUpMoveDialog(firstChar);
16108 TypeInDoneEvent (char *move)
16111 int n, fromX, fromY, toX, toY;
16113 ChessMove moveType;
16116 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16117 EditPositionPasteFEN(move);
16120 // [HGM] movenum: allow move number to be typed in any mode
16121 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16125 // undocumented kludge: allow command-line option to be typed in!
16126 // (potentially fatal, and does not implement the effect of the option.)
16127 // should only be used for options that are values on which future decisions will be made,
16128 // and definitely not on options that would be used during initialization.
16129 if(strstr(move, "!!! -") == move) {
16130 ParseArgsFromString(move+4);
16134 if (gameMode != EditGame && currentMove != forwardMostMove &&
16135 gameMode != Training) {
16136 DisplayMoveError(_("Displayed move is not current"));
16138 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16139 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16140 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16141 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16142 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16143 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16145 DisplayMoveError(_("Could not parse move"));
16151 DisplayMove (int moveNumber)
16153 char message[MSG_SIZ];
16155 char cpThinkOutput[MSG_SIZ];
16157 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16159 if (moveNumber == forwardMostMove - 1 ||
16160 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16162 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16164 if (strchr(cpThinkOutput, '\n')) {
16165 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16168 *cpThinkOutput = NULLCHAR;
16171 /* [AS] Hide thinking from human user */
16172 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16173 *cpThinkOutput = NULLCHAR;
16174 if( thinkOutput[0] != NULLCHAR ) {
16177 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16178 cpThinkOutput[i] = '.';
16180 cpThinkOutput[i] = NULLCHAR;
16181 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16185 if (moveNumber == forwardMostMove - 1 &&
16186 gameInfo.resultDetails != NULL) {
16187 if (gameInfo.resultDetails[0] == NULLCHAR) {
16188 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16190 snprintf(res, MSG_SIZ, " {%s} %s",
16191 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16197 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16198 DisplayMessage(res, cpThinkOutput);
16200 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16201 WhiteOnMove(moveNumber) ? " " : ".. ",
16202 parseList[moveNumber], res);
16203 DisplayMessage(message, cpThinkOutput);
16208 DisplayComment (int moveNumber, char *text)
16210 char title[MSG_SIZ];
16212 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16213 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16215 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16216 WhiteOnMove(moveNumber) ? " " : ".. ",
16217 parseList[moveNumber]);
16219 if (text != NULL && (appData.autoDisplayComment || commentUp))
16220 CommentPopUp(title, text);
16223 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16224 * might be busy thinking or pondering. It can be omitted if your
16225 * gnuchess is configured to stop thinking immediately on any user
16226 * input. However, that gnuchess feature depends on the FIONREAD
16227 * ioctl, which does not work properly on some flavors of Unix.
16230 Attention (ChessProgramState *cps)
16233 if (!cps->useSigint) return;
16234 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16235 switch (gameMode) {
16236 case MachinePlaysWhite:
16237 case MachinePlaysBlack:
16238 case TwoMachinesPlay:
16239 case IcsPlayingWhite:
16240 case IcsPlayingBlack:
16243 /* Skip if we know it isn't thinking */
16244 if (!cps->maybeThinking) return;
16245 if (appData.debugMode)
16246 fprintf(debugFP, "Interrupting %s\n", cps->which);
16247 InterruptChildProcess(cps->pr);
16248 cps->maybeThinking = FALSE;
16253 #endif /*ATTENTION*/
16259 if (whiteTimeRemaining <= 0) {
16262 if (appData.icsActive) {
16263 if (appData.autoCallFlag &&
16264 gameMode == IcsPlayingBlack && !blackFlag) {
16265 SendToICS(ics_prefix);
16266 SendToICS("flag\n");
16270 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16272 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16273 if (appData.autoCallFlag) {
16274 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16281 if (blackTimeRemaining <= 0) {
16284 if (appData.icsActive) {
16285 if (appData.autoCallFlag &&
16286 gameMode == IcsPlayingWhite && !whiteFlag) {
16287 SendToICS(ics_prefix);
16288 SendToICS("flag\n");
16292 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16294 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16295 if (appData.autoCallFlag) {
16296 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16307 CheckTimeControl ()
16309 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16310 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16313 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16315 if ( !WhiteOnMove(forwardMostMove) ) {
16316 /* White made time control */
16317 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16318 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16319 /* [HGM] time odds: correct new time quota for time odds! */
16320 / WhitePlayer()->timeOdds;
16321 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16323 lastBlack -= blackTimeRemaining;
16324 /* Black made time control */
16325 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16326 / WhitePlayer()->other->timeOdds;
16327 lastWhite = whiteTimeRemaining;
16332 DisplayBothClocks ()
16334 int wom = gameMode == EditPosition ?
16335 !blackPlaysFirst : WhiteOnMove(currentMove);
16336 DisplayWhiteClock(whiteTimeRemaining, wom);
16337 DisplayBlackClock(blackTimeRemaining, !wom);
16341 /* Timekeeping seems to be a portability nightmare. I think everyone
16342 has ftime(), but I'm really not sure, so I'm including some ifdefs
16343 to use other calls if you don't. Clocks will be less accurate if
16344 you have neither ftime nor gettimeofday.
16347 /* VS 2008 requires the #include outside of the function */
16348 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16349 #include <sys/timeb.h>
16352 /* Get the current time as a TimeMark */
16354 GetTimeMark (TimeMark *tm)
16356 #if HAVE_GETTIMEOFDAY
16358 struct timeval timeVal;
16359 struct timezone timeZone;
16361 gettimeofday(&timeVal, &timeZone);
16362 tm->sec = (long) timeVal.tv_sec;
16363 tm->ms = (int) (timeVal.tv_usec / 1000L);
16365 #else /*!HAVE_GETTIMEOFDAY*/
16368 // include <sys/timeb.h> / moved to just above start of function
16369 struct timeb timeB;
16372 tm->sec = (long) timeB.time;
16373 tm->ms = (int) timeB.millitm;
16375 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16376 tm->sec = (long) time(NULL);
16382 /* Return the difference in milliseconds between two
16383 time marks. We assume the difference will fit in a long!
16386 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16388 return 1000L*(tm2->sec - tm1->sec) +
16389 (long) (tm2->ms - tm1->ms);
16394 * Code to manage the game clocks.
16396 * In tournament play, black starts the clock and then white makes a move.
16397 * We give the human user a slight advantage if he is playing white---the
16398 * clocks don't run until he makes his first move, so it takes zero time.
16399 * Also, we don't account for network lag, so we could get out of sync
16400 * with GNU Chess's clock -- but then, referees are always right.
16403 static TimeMark tickStartTM;
16404 static long intendedTickLength;
16407 NextTickLength (long timeRemaining)
16409 long nominalTickLength, nextTickLength;
16411 if (timeRemaining > 0L && timeRemaining <= 10000L)
16412 nominalTickLength = 100L;
16414 nominalTickLength = 1000L;
16415 nextTickLength = timeRemaining % nominalTickLength;
16416 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16418 return nextTickLength;
16421 /* Adjust clock one minute up or down */
16423 AdjustClock (Boolean which, int dir)
16425 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16426 if(which) blackTimeRemaining += 60000*dir;
16427 else whiteTimeRemaining += 60000*dir;
16428 DisplayBothClocks();
16429 adjustedClock = TRUE;
16432 /* Stop clocks and reset to a fresh time control */
16436 (void) StopClockTimer();
16437 if (appData.icsActive) {
16438 whiteTimeRemaining = blackTimeRemaining = 0;
16439 } else if (searchTime) {
16440 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16441 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16442 } else { /* [HGM] correct new time quote for time odds */
16443 whiteTC = blackTC = fullTimeControlString;
16444 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16445 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16447 if (whiteFlag || blackFlag) {
16449 whiteFlag = blackFlag = FALSE;
16451 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16452 DisplayBothClocks();
16453 adjustedClock = FALSE;
16456 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16458 /* Decrement running clock by amount of time that has passed */
16462 long timeRemaining;
16463 long lastTickLength, fudge;
16466 if (!appData.clockMode) return;
16467 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16471 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16473 /* Fudge if we woke up a little too soon */
16474 fudge = intendedTickLength - lastTickLength;
16475 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16477 if (WhiteOnMove(forwardMostMove)) {
16478 if(whiteNPS >= 0) lastTickLength = 0;
16479 timeRemaining = whiteTimeRemaining -= lastTickLength;
16480 if(timeRemaining < 0 && !appData.icsActive) {
16481 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16482 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16483 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16484 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16487 DisplayWhiteClock(whiteTimeRemaining - fudge,
16488 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16490 if(blackNPS >= 0) lastTickLength = 0;
16491 timeRemaining = blackTimeRemaining -= lastTickLength;
16492 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16493 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16495 blackStartMove = forwardMostMove;
16496 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16499 DisplayBlackClock(blackTimeRemaining - fudge,
16500 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16502 if (CheckFlags()) return;
16504 if(twoBoards) { // count down secondary board's clocks as well
16505 activePartnerTime -= lastTickLength;
16507 if(activePartner == 'W')
16508 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16510 DisplayBlackClock(activePartnerTime, TRUE);
16515 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16516 StartClockTimer(intendedTickLength);
16518 /* if the time remaining has fallen below the alarm threshold, sound the
16519 * alarm. if the alarm has sounded and (due to a takeback or time control
16520 * with increment) the time remaining has increased to a level above the
16521 * threshold, reset the alarm so it can sound again.
16524 if (appData.icsActive && appData.icsAlarm) {
16526 /* make sure we are dealing with the user's clock */
16527 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16528 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16531 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16532 alarmSounded = FALSE;
16533 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16535 alarmSounded = TRUE;
16541 /* A player has just moved, so stop the previously running
16542 clock and (if in clock mode) start the other one.
16543 We redisplay both clocks in case we're in ICS mode, because
16544 ICS gives us an update to both clocks after every move.
16545 Note that this routine is called *after* forwardMostMove
16546 is updated, so the last fractional tick must be subtracted
16547 from the color that is *not* on move now.
16550 SwitchClocks (int newMoveNr)
16552 long lastTickLength;
16554 int flagged = FALSE;
16558 if (StopClockTimer() && appData.clockMode) {
16559 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16560 if (!WhiteOnMove(forwardMostMove)) {
16561 if(blackNPS >= 0) lastTickLength = 0;
16562 blackTimeRemaining -= lastTickLength;
16563 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16564 // if(pvInfoList[forwardMostMove].time == -1)
16565 pvInfoList[forwardMostMove].time = // use GUI time
16566 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16568 if(whiteNPS >= 0) lastTickLength = 0;
16569 whiteTimeRemaining -= lastTickLength;
16570 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16571 // if(pvInfoList[forwardMostMove].time == -1)
16572 pvInfoList[forwardMostMove].time =
16573 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16575 flagged = CheckFlags();
16577 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16578 CheckTimeControl();
16580 if (flagged || !appData.clockMode) return;
16582 switch (gameMode) {
16583 case MachinePlaysBlack:
16584 case MachinePlaysWhite:
16585 case BeginningOfGame:
16586 if (pausing) return;
16590 case PlayFromGameFile:
16598 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16599 if(WhiteOnMove(forwardMostMove))
16600 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16601 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16605 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16606 whiteTimeRemaining : blackTimeRemaining);
16607 StartClockTimer(intendedTickLength);
16611 /* Stop both clocks */
16615 long lastTickLength;
16618 if (!StopClockTimer()) return;
16619 if (!appData.clockMode) return;
16623 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16624 if (WhiteOnMove(forwardMostMove)) {
16625 if(whiteNPS >= 0) lastTickLength = 0;
16626 whiteTimeRemaining -= lastTickLength;
16627 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16629 if(blackNPS >= 0) lastTickLength = 0;
16630 blackTimeRemaining -= lastTickLength;
16631 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16636 /* Start clock of player on move. Time may have been reset, so
16637 if clock is already running, stop and restart it. */
16641 (void) StopClockTimer(); /* in case it was running already */
16642 DisplayBothClocks();
16643 if (CheckFlags()) return;
16645 if (!appData.clockMode) return;
16646 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16648 GetTimeMark(&tickStartTM);
16649 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16650 whiteTimeRemaining : blackTimeRemaining);
16652 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16653 whiteNPS = blackNPS = -1;
16654 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16655 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16656 whiteNPS = first.nps;
16657 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16658 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16659 blackNPS = first.nps;
16660 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16661 whiteNPS = second.nps;
16662 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16663 blackNPS = second.nps;
16664 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16666 StartClockTimer(intendedTickLength);
16670 TimeString (long ms)
16672 long second, minute, hour, day;
16674 static char buf[32];
16676 if (ms > 0 && ms <= 9900) {
16677 /* convert milliseconds to tenths, rounding up */
16678 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16680 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16684 /* convert milliseconds to seconds, rounding up */
16685 /* use floating point to avoid strangeness of integer division
16686 with negative dividends on many machines */
16687 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16694 day = second / (60 * 60 * 24);
16695 second = second % (60 * 60 * 24);
16696 hour = second / (60 * 60);
16697 second = second % (60 * 60);
16698 minute = second / 60;
16699 second = second % 60;
16702 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16703 sign, day, hour, minute, second);
16705 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16707 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16714 * This is necessary because some C libraries aren't ANSI C compliant yet.
16717 StrStr (char *string, char *match)
16721 length = strlen(match);
16723 for (i = strlen(string) - length; i >= 0; i--, string++)
16724 if (!strncmp(match, string, length))
16731 StrCaseStr (char *string, char *match)
16735 length = strlen(match);
16737 for (i = strlen(string) - length; i >= 0; i--, string++) {
16738 for (j = 0; j < length; j++) {
16739 if (ToLower(match[j]) != ToLower(string[j]))
16742 if (j == length) return string;
16750 StrCaseCmp (char *s1, char *s2)
16755 c1 = ToLower(*s1++);
16756 c2 = ToLower(*s2++);
16757 if (c1 > c2) return 1;
16758 if (c1 < c2) return -1;
16759 if (c1 == NULLCHAR) return 0;
16767 return isupper(c) ? tolower(c) : c;
16774 return islower(c) ? toupper(c) : c;
16776 #endif /* !_amigados */
16783 if ((ret = (char *) malloc(strlen(s) + 1)))
16785 safeStrCpy(ret, s, strlen(s)+1);
16791 StrSavePtr (char *s, char **savePtr)
16796 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16797 safeStrCpy(*savePtr, s, strlen(s)+1);
16809 clock = time((time_t *)NULL);
16810 tm = localtime(&clock);
16811 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16812 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16813 return StrSave(buf);
16818 PositionToFEN (int move, char *overrideCastling)
16820 int i, j, fromX, fromY, toX, toY;
16827 whiteToPlay = (gameMode == EditPosition) ?
16828 !blackPlaysFirst : (move % 2 == 0);
16831 /* Piece placement data */
16832 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16833 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16835 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16836 if (boards[move][i][j] == EmptySquare) {
16838 } else { ChessSquare piece = boards[move][i][j];
16839 if (emptycount > 0) {
16840 if(emptycount<10) /* [HGM] can be >= 10 */
16841 *p++ = '0' + emptycount;
16842 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16845 if(PieceToChar(piece) == '+') {
16846 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16848 piece = (ChessSquare)(DEMOTED piece);
16850 *p++ = PieceToChar(piece);
16852 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16853 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16858 if (emptycount > 0) {
16859 if(emptycount<10) /* [HGM] can be >= 10 */
16860 *p++ = '0' + emptycount;
16861 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16868 /* [HGM] print Crazyhouse or Shogi holdings */
16869 if( gameInfo.holdingsWidth ) {
16870 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16872 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16873 piece = boards[move][i][BOARD_WIDTH-1];
16874 if( piece != EmptySquare )
16875 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16876 *p++ = PieceToChar(piece);
16878 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16879 piece = boards[move][BOARD_HEIGHT-i-1][0];
16880 if( piece != EmptySquare )
16881 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16882 *p++ = PieceToChar(piece);
16885 if( q == p ) *p++ = '-';
16891 *p++ = whiteToPlay ? 'w' : 'b';
16894 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16895 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16897 if(nrCastlingRights) {
16899 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16900 /* [HGM] write directly from rights */
16901 if(boards[move][CASTLING][2] != NoRights &&
16902 boards[move][CASTLING][0] != NoRights )
16903 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16904 if(boards[move][CASTLING][2] != NoRights &&
16905 boards[move][CASTLING][1] != NoRights )
16906 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16907 if(boards[move][CASTLING][5] != NoRights &&
16908 boards[move][CASTLING][3] != NoRights )
16909 *p++ = boards[move][CASTLING][3] + AAA;
16910 if(boards[move][CASTLING][5] != NoRights &&
16911 boards[move][CASTLING][4] != NoRights )
16912 *p++ = boards[move][CASTLING][4] + AAA;
16915 /* [HGM] write true castling rights */
16916 if( nrCastlingRights == 6 ) {
16918 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16919 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
16920 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
16921 boards[move][CASTLING][2] != NoRights );
16922 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
16923 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
16924 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16925 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
16926 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
16930 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16931 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
16932 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
16933 boards[move][CASTLING][5] != NoRights );
16934 if(gameInfo.variant == VariantSChess) {
16935 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
16936 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16937 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
16938 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
16943 if (q == p) *p++ = '-'; /* No castling rights */
16947 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16948 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16949 /* En passant target square */
16950 if (move > backwardMostMove) {
16951 fromX = moveList[move - 1][0] - AAA;
16952 fromY = moveList[move - 1][1] - ONE;
16953 toX = moveList[move - 1][2] - AAA;
16954 toY = moveList[move - 1][3] - ONE;
16955 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16956 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16957 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16959 /* 2-square pawn move just happened */
16961 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16965 } else if(move == backwardMostMove) {
16966 // [HGM] perhaps we should always do it like this, and forget the above?
16967 if((signed char)boards[move][EP_STATUS] >= 0) {
16968 *p++ = boards[move][EP_STATUS] + AAA;
16969 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16980 /* [HGM] find reversible plies */
16981 { int i = 0, j=move;
16983 if (appData.debugMode) { int k;
16984 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16985 for(k=backwardMostMove; k<=forwardMostMove; k++)
16986 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16990 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16991 if( j == backwardMostMove ) i += initialRulePlies;
16992 sprintf(p, "%d ", i);
16993 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16995 /* Fullmove number */
16996 sprintf(p, "%d", (move / 2) + 1);
16998 return StrSave(buf);
17002 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17006 int emptycount, virgin[BOARD_FILES];
17011 /* [HGM] by default clear Crazyhouse holdings, if present */
17012 if(gameInfo.holdingsWidth) {
17013 for(i=0; i<BOARD_HEIGHT; i++) {
17014 board[i][0] = EmptySquare; /* black holdings */
17015 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17016 board[i][1] = (ChessSquare) 0; /* black counts */
17017 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17021 /* Piece placement data */
17022 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17025 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17026 if (*p == '/') p++;
17027 emptycount = gameInfo.boardWidth - j;
17028 while (emptycount--)
17029 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17031 #if(BOARD_FILES >= 10)
17032 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17033 p++; emptycount=10;
17034 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17035 while (emptycount--)
17036 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17038 } else if (isdigit(*p)) {
17039 emptycount = *p++ - '0';
17040 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17041 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17042 while (emptycount--)
17043 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17044 } else if (*p == '+' || isalpha(*p)) {
17045 if (j >= gameInfo.boardWidth) return FALSE;
17047 piece = CharToPiece(*++p);
17048 if(piece == EmptySquare) return FALSE; /* unknown piece */
17049 piece = (ChessSquare) (PROMOTED piece ); p++;
17050 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17051 } else piece = CharToPiece(*p++);
17053 if(piece==EmptySquare) return FALSE; /* unknown piece */
17054 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17055 piece = (ChessSquare) (PROMOTED piece);
17056 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17059 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17065 while (*p == '/' || *p == ' ') p++;
17067 /* [HGM] look for Crazyhouse holdings here */
17068 while(*p==' ') p++;
17069 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17071 if(*p == '-' ) p++; /* empty holdings */ else {
17072 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17073 /* if we would allow FEN reading to set board size, we would */
17074 /* have to add holdings and shift the board read so far here */
17075 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17077 if((int) piece >= (int) BlackPawn ) {
17078 i = (int)piece - (int)BlackPawn;
17079 i = PieceToNumber((ChessSquare)i);
17080 if( i >= gameInfo.holdingsSize ) return FALSE;
17081 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17082 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17084 i = (int)piece - (int)WhitePawn;
17085 i = PieceToNumber((ChessSquare)i);
17086 if( i >= gameInfo.holdingsSize ) return FALSE;
17087 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17088 board[i][BOARD_WIDTH-2]++; /* black holdings */
17095 while(*p == ' ') p++;
17099 if(appData.colorNickNames) {
17100 if( c == appData.colorNickNames[0] ) c = 'w'; else
17101 if( c == appData.colorNickNames[1] ) c = 'b';
17105 *blackPlaysFirst = FALSE;
17108 *blackPlaysFirst = TRUE;
17114 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17115 /* return the extra info in global variiables */
17117 /* set defaults in case FEN is incomplete */
17118 board[EP_STATUS] = EP_UNKNOWN;
17119 for(i=0; i<nrCastlingRights; i++ ) {
17120 board[CASTLING][i] =
17121 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17122 } /* assume possible unless obviously impossible */
17123 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17124 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17125 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17126 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17127 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17128 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17129 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17130 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17133 while(*p==' ') p++;
17134 if(nrCastlingRights) {
17135 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17136 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17137 /* castling indicator present, so default becomes no castlings */
17138 for(i=0; i<nrCastlingRights; i++ ) {
17139 board[CASTLING][i] = NoRights;
17142 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17143 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17144 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17145 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17146 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17148 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17149 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17150 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17152 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17153 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17154 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17155 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17156 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17157 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17160 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17161 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17162 board[CASTLING][2] = whiteKingFile;
17163 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17164 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17167 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17168 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17169 board[CASTLING][2] = whiteKingFile;
17170 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17171 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17174 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17175 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17176 board[CASTLING][5] = blackKingFile;
17177 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17178 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17181 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17182 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17183 board[CASTLING][5] = blackKingFile;
17184 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17185 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17188 default: /* FRC castlings */
17189 if(c >= 'a') { /* black rights */
17190 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17191 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17192 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17193 if(i == BOARD_RGHT) break;
17194 board[CASTLING][5] = i;
17196 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17197 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17199 board[CASTLING][3] = c;
17201 board[CASTLING][4] = c;
17202 } else { /* white rights */
17203 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17204 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17205 if(board[0][i] == WhiteKing) break;
17206 if(i == BOARD_RGHT) break;
17207 board[CASTLING][2] = i;
17208 c -= AAA - 'a' + 'A';
17209 if(board[0][c] >= WhiteKing) break;
17211 board[CASTLING][0] = c;
17213 board[CASTLING][1] = c;
17217 for(i=0; i<nrCastlingRights; i++)
17218 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17219 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17220 if (appData.debugMode) {
17221 fprintf(debugFP, "FEN castling rights:");
17222 for(i=0; i<nrCastlingRights; i++)
17223 fprintf(debugFP, " %d", board[CASTLING][i]);
17224 fprintf(debugFP, "\n");
17227 while(*p==' ') p++;
17230 /* read e.p. field in games that know e.p. capture */
17231 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17232 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17234 p++; board[EP_STATUS] = EP_NONE;
17236 char c = *p++ - AAA;
17238 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17239 if(*p >= '0' && *p <='9') p++;
17240 board[EP_STATUS] = c;
17245 if(sscanf(p, "%d", &i) == 1) {
17246 FENrulePlies = i; /* 50-move ply counter */
17247 /* (The move number is still ignored) */
17254 EditPositionPasteFEN (char *fen)
17257 Board initial_position;
17259 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17260 DisplayError(_("Bad FEN position in clipboard"), 0);
17263 int savedBlackPlaysFirst = blackPlaysFirst;
17264 EditPositionEvent();
17265 blackPlaysFirst = savedBlackPlaysFirst;
17266 CopyBoard(boards[0], initial_position);
17267 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17268 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17269 DisplayBothClocks();
17270 DrawPosition(FALSE, boards[currentMove]);
17275 static char cseq[12] = "\\ ";
17278 set_cont_sequence (char *new_seq)
17283 // handle bad attempts to set the sequence
17285 return 0; // acceptable error - no debug
17287 len = strlen(new_seq);
17288 ret = (len > 0) && (len < sizeof(cseq));
17290 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17291 else if (appData.debugMode)
17292 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17297 reformat a source message so words don't cross the width boundary. internal
17298 newlines are not removed. returns the wrapped size (no null character unless
17299 included in source message). If dest is NULL, only calculate the size required
17300 for the dest buffer. lp argument indicats line position upon entry, and it's
17301 passed back upon exit.
17304 wrap (char *dest, char *src, int count, int width, int *lp)
17306 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17308 cseq_len = strlen(cseq);
17309 old_line = line = *lp;
17310 ansi = len = clen = 0;
17312 for (i=0; i < count; i++)
17314 if (src[i] == '\033')
17317 // if we hit the width, back up
17318 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17320 // store i & len in case the word is too long
17321 old_i = i, old_len = len;
17323 // find the end of the last word
17324 while (i && src[i] != ' ' && src[i] != '\n')
17330 // word too long? restore i & len before splitting it
17331 if ((old_i-i+clen) >= width)
17338 if (i && src[i-1] == ' ')
17341 if (src[i] != ' ' && src[i] != '\n')
17348 // now append the newline and continuation sequence
17353 strncpy(dest+len, cseq, cseq_len);
17361 dest[len] = src[i];
17365 if (src[i] == '\n')
17370 if (dest && appData.debugMode)
17372 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17373 count, width, line, len, *lp);
17374 show_bytes(debugFP, src, count);
17375 fprintf(debugFP, "\ndest: ");
17376 show_bytes(debugFP, dest, len);
17377 fprintf(debugFP, "\n");
17379 *lp = dest ? line : old_line;
17384 // [HGM] vari: routines for shelving variations
17385 Boolean modeRestore = FALSE;
17388 PushInner (int firstMove, int lastMove)
17390 int i, j, nrMoves = lastMove - firstMove;
17392 // push current tail of game on stack
17393 savedResult[storedGames] = gameInfo.result;
17394 savedDetails[storedGames] = gameInfo.resultDetails;
17395 gameInfo.resultDetails = NULL;
17396 savedFirst[storedGames] = firstMove;
17397 savedLast [storedGames] = lastMove;
17398 savedFramePtr[storedGames] = framePtr;
17399 framePtr -= nrMoves; // reserve space for the boards
17400 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17401 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17402 for(j=0; j<MOVE_LEN; j++)
17403 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17404 for(j=0; j<2*MOVE_LEN; j++)
17405 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17406 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17407 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17408 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17409 pvInfoList[firstMove+i-1].depth = 0;
17410 commentList[framePtr+i] = commentList[firstMove+i];
17411 commentList[firstMove+i] = NULL;
17415 forwardMostMove = firstMove; // truncate game so we can start variation
17419 PushTail (int firstMove, int lastMove)
17421 if(appData.icsActive) { // only in local mode
17422 forwardMostMove = currentMove; // mimic old ICS behavior
17425 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17427 PushInner(firstMove, lastMove);
17428 if(storedGames == 1) GreyRevert(FALSE);
17429 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17433 PopInner (Boolean annotate)
17436 char buf[8000], moveBuf[20];
17438 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17439 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17440 nrMoves = savedLast[storedGames] - currentMove;
17443 if(!WhiteOnMove(currentMove))
17444 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17445 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17446 for(i=currentMove; i<forwardMostMove; i++) {
17448 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17449 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17450 strcat(buf, moveBuf);
17451 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17452 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17456 for(i=1; i<=nrMoves; i++) { // copy last variation back
17457 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17458 for(j=0; j<MOVE_LEN; j++)
17459 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17460 for(j=0; j<2*MOVE_LEN; j++)
17461 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17462 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17463 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17464 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17465 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17466 commentList[currentMove+i] = commentList[framePtr+i];
17467 commentList[framePtr+i] = NULL;
17469 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17470 framePtr = savedFramePtr[storedGames];
17471 gameInfo.result = savedResult[storedGames];
17472 if(gameInfo.resultDetails != NULL) {
17473 free(gameInfo.resultDetails);
17475 gameInfo.resultDetails = savedDetails[storedGames];
17476 forwardMostMove = currentMove + nrMoves;
17480 PopTail (Boolean annotate)
17482 if(appData.icsActive) return FALSE; // only in local mode
17483 if(!storedGames) return FALSE; // sanity
17484 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17486 PopInner(annotate);
17487 if(currentMove < forwardMostMove) ForwardEvent(); else
17488 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17490 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17496 { // remove all shelved variations
17498 for(i=0; i<storedGames; i++) {
17499 if(savedDetails[i])
17500 free(savedDetails[i]);
17501 savedDetails[i] = NULL;
17503 for(i=framePtr; i<MAX_MOVES; i++) {
17504 if(commentList[i]) free(commentList[i]);
17505 commentList[i] = NULL;
17507 framePtr = MAX_MOVES-1;
17512 LoadVariation (int index, char *text)
17513 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17514 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17515 int level = 0, move;
17517 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17518 // first find outermost bracketing variation
17519 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17520 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17521 if(*p == '{') wait = '}'; else
17522 if(*p == '[') wait = ']'; else
17523 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17524 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17526 if(*p == wait) wait = NULLCHAR; // closing ]} found
17529 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17530 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17531 end[1] = NULLCHAR; // clip off comment beyond variation
17532 ToNrEvent(currentMove-1);
17533 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17534 // kludge: use ParsePV() to append variation to game
17535 move = currentMove;
17536 ParsePV(start, TRUE, TRUE);
17537 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17538 ClearPremoveHighlights();
17540 ToNrEvent(currentMove+1);
17546 char *p, *q, buf[MSG_SIZ];
17547 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17548 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17549 ParseArgsFromString(buf);
17550 ActivateTheme(TRUE); // also redo colors
17554 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17557 q = appData.themeNames;
17558 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17559 if(appData.useBitmaps) {
17560 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17561 appData.liteBackTextureFile, appData.darkBackTextureFile,
17562 appData.liteBackTextureMode,
17563 appData.darkBackTextureMode );
17565 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17566 Col2Text(2), // lightSquareColor
17567 Col2Text(3) ); // darkSquareColor
17569 if(appData.useBorder) {
17570 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17573 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17575 if(appData.useFont) {
17576 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17577 appData.renderPiecesWithFont,
17578 appData.fontToPieceTable,
17579 Col2Text(9), // appData.fontBackColorWhite
17580 Col2Text(10) ); // appData.fontForeColorBlack
17582 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17583 appData.pieceDirectory);
17584 if(!appData.pieceDirectory[0])
17585 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17586 Col2Text(0), // whitePieceColor
17587 Col2Text(1) ); // blackPieceColor
17589 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17590 Col2Text(4), // highlightSquareColor
17591 Col2Text(5) ); // premoveHighlightColor
17592 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17593 if(insert != q) insert[-1] = NULLCHAR;
17594 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17597 ActivateTheme(FALSE);