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, 2013, 2014 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);
63 # define EGBB_NAME "egbbdll64.dll"
65 # define EGBB_NAME "egbbdll.dll"
70 # include <sys/file.h>
75 # define EGBB_NAME "egbbso64.so"
77 # define EGBB_NAME "egbbso.so"
79 // kludge to allow Windows code in back-end by converting it to corresponding Linux code
81 # define HMODULE void *
82 # define LoadLibrary(x) dlopen(x, RTLD_LAZY)
83 # define GetProcAddress dlsym
93 #include <sys/types.h>
102 #else /* not STDC_HEADERS */
105 # else /* not HAVE_STRING_H */
106 # include <strings.h>
107 # endif /* not HAVE_STRING_H */
108 #endif /* not STDC_HEADERS */
111 # include <sys/fcntl.h>
112 #else /* not HAVE_SYS_FCNTL_H */
115 # endif /* HAVE_FCNTL_H */
116 #endif /* not HAVE_SYS_FCNTL_H */
118 #if TIME_WITH_SYS_TIME
119 # include <sys/time.h>
123 # include <sys/time.h>
129 #if defined(_amigados) && !defined(__GNUC__)
134 extern int gettimeofday(struct timeval *, struct timezone *);
142 #include "frontend.h"
149 #include "backendz.h"
150 #include "evalgraph.h"
151 #include "engineoutput.h"
155 # define _(s) gettext (s)
156 # define N_(s) gettext_noop (s)
157 # define T_(s) gettext(s)
170 int establish P((void));
171 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
172 char *buf, int count, int error));
173 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
174 char *buf, int count, int error));
175 void SendToICS P((char *s));
176 void SendToICSDelayed P((char *s, long msdelay));
177 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
178 void HandleMachineMove P((char *message, ChessProgramState *cps));
179 int AutoPlayOneMove P((void));
180 int LoadGameOneMove P((ChessMove readAhead));
181 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
182 int LoadPositionFromFile P((char *filename, int n, char *title));
183 int SavePositionToFile P((char *filename));
184 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
185 void ShowMove P((int fromX, int fromY, int toX, int toY));
186 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
187 /*char*/int promoChar));
188 void BackwardInner P((int target));
189 void ForwardInner P((int target));
190 int Adjudicate P((ChessProgramState *cps));
191 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
192 void EditPositionDone P((Boolean fakeRights));
193 void PrintOpponents P((FILE *fp));
194 void PrintPosition P((FILE *fp, int move));
195 void StartChessProgram P((ChessProgramState *cps));
196 void SendToProgram P((char *message, ChessProgramState *cps));
197 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
198 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
199 char *buf, int count, int error));
200 void SendTimeControl P((ChessProgramState *cps,
201 int mps, long tc, int inc, int sd, int st));
202 char *TimeControlTagValue P((void));
203 void Attention P((ChessProgramState *cps));
204 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
205 int ResurrectChessProgram P((void));
206 void DisplayComment P((int moveNumber, char *text));
207 void DisplayMove P((int moveNumber));
209 void ParseGameHistory P((char *game));
210 void ParseBoard12 P((char *string));
211 void KeepAlive P((void));
212 void StartClocks P((void));
213 void SwitchClocks P((int nr));
214 void StopClocks P((void));
215 void ResetClocks P((void));
216 char *PGNDate P((void));
217 void SetGameInfo P((void));
218 int RegisterMove P((void));
219 void MakeRegisteredMove P((void));
220 void TruncateGame P((void));
221 int looking_at P((char *, int *, char *));
222 void CopyPlayerNameIntoFileName P((char **, char *));
223 char *SavePart P((char *));
224 int SaveGameOldStyle P((FILE *));
225 int SaveGamePGN P((FILE *));
226 int CheckFlags P((void));
227 long NextTickLength P((long));
228 void CheckTimeControl P((void));
229 void show_bytes P((FILE *, char *, int));
230 int string_to_rating P((char *str));
231 void ParseFeatures P((char* args, ChessProgramState *cps));
232 void InitBackEnd3 P((void));
233 void FeatureDone P((ChessProgramState* cps, int val));
234 void InitChessProgram P((ChessProgramState *cps, int setup));
235 void OutputKibitz(int window, char *text);
236 int PerpetualChase(int first, int last);
237 int EngineOutputIsUp();
238 void InitDrawingSizes(int x, int y);
239 void NextMatchGame P((void));
240 int NextTourneyGame P((int nr, int *swap));
241 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
242 FILE *WriteTourneyFile P((char *results, FILE *f));
243 void DisplayTwoMachinesTitle P(());
244 static void ExcludeClick P((int index));
245 void ToggleSecond P((void));
246 void PauseEngine P((ChessProgramState *cps));
247 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
250 extern void ConsoleCreate();
253 ChessProgramState *WhitePlayer();
254 int VerifyDisplayMode P(());
256 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
257 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
258 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
259 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
260 void ics_update_width P((int new_width));
261 extern char installDir[MSG_SIZ];
262 VariantClass startVariant; /* [HGM] nicks: initial variant */
265 extern int tinyLayout, smallLayout;
266 ChessProgramStats programStats;
267 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
269 static int exiting = 0; /* [HGM] moved to top */
270 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
271 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
272 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
273 int partnerHighlight[2];
274 Boolean partnerBoardValid = 0;
275 char partnerStatus[MSG_SIZ];
277 Boolean originalFlip;
278 Boolean twoBoards = 0;
279 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
280 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
281 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
282 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
283 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
284 int opponentKibitzes;
285 int lastSavedGame; /* [HGM] save: ID of game */
286 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
287 extern int chatCount;
289 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
290 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
291 char lastMsg[MSG_SIZ];
292 char lastTalker[MSG_SIZ];
293 ChessSquare pieceSweep = EmptySquare;
294 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
295 int promoDefaultAltered;
296 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
297 static int initPing = -1;
299 /* States for ics_getting_history */
301 #define H_REQUESTED 1
302 #define H_GOT_REQ_HEADER 2
303 #define H_GOT_UNREQ_HEADER 3
304 #define H_GETTING_MOVES 4
305 #define H_GOT_UNWANTED_HEADER 5
307 /* whosays values for GameEnds */
316 /* Maximum number of games in a cmail message */
317 #define CMAIL_MAX_GAMES 20
319 /* Different types of move when calling RegisterMove */
321 #define CMAIL_RESIGN 1
323 #define CMAIL_ACCEPT 3
325 /* Different types of result to remember for each game */
326 #define CMAIL_NOT_RESULT 0
327 #define CMAIL_OLD_RESULT 1
328 #define CMAIL_NEW_RESULT 2
330 /* Telnet protocol constants */
341 safeStrCpy (char *dst, const char *src, size_t count)
344 assert( dst != NULL );
345 assert( src != NULL );
348 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
349 if( i == count && dst[count-1] != NULLCHAR)
351 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
352 if(appData.debugMode)
353 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
359 /* Some compiler can't cast u64 to double
360 * This function do the job for us:
362 * We use the highest bit for cast, this only
363 * works if the highest bit is not
364 * in use (This should not happen)
366 * We used this for all compiler
369 u64ToDouble (u64 value)
372 u64 tmp = value & u64Const(0x7fffffffffffffff);
373 r = (double)(s64)tmp;
374 if (value & u64Const(0x8000000000000000))
375 r += 9.2233720368547758080e18; /* 2^63 */
379 /* Fake up flags for now, as we aren't keeping track of castling
380 availability yet. [HGM] Change of logic: the flag now only
381 indicates the type of castlings allowed by the rule of the game.
382 The actual rights themselves are maintained in the array
383 castlingRights, as part of the game history, and are not probed
389 int flags = F_ALL_CASTLE_OK;
390 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
391 switch (gameInfo.variant) {
393 flags &= ~F_ALL_CASTLE_OK;
394 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
395 flags |= F_IGNORE_CHECK;
397 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
400 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
402 case VariantKriegspiel:
403 flags |= F_KRIEGSPIEL_CAPTURE;
405 case VariantCapaRandom:
406 case VariantFischeRandom:
407 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
408 case VariantNoCastle:
409 case VariantShatranj:
414 flags &= ~F_ALL_CASTLE_OK;
419 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
423 FILE *gameFileFP, *debugFP, *serverFP;
424 char *currentDebugFile; // [HGM] debug split: to remember name
427 [AS] Note: sometimes, the sscanf() function is used to parse the input
428 into a fixed-size buffer. Because of this, we must be prepared to
429 receive strings as long as the size of the input buffer, which is currently
430 set to 4K for Windows and 8K for the rest.
431 So, we must either allocate sufficiently large buffers here, or
432 reduce the size of the input buffer in the input reading part.
435 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
436 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
437 char thinkOutput1[MSG_SIZ*10];
439 ChessProgramState first, second, pairing;
441 /* premove variables */
444 int premoveFromX = 0;
445 int premoveFromY = 0;
446 int premovePromoChar = 0;
448 Boolean alarmSounded;
449 /* end premove variables */
451 char *ics_prefix = "$";
452 enum ICS_TYPE ics_type = ICS_GENERIC;
454 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
455 int pauseExamForwardMostMove = 0;
456 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
457 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
458 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
459 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
460 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
461 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
462 int whiteFlag = FALSE, blackFlag = FALSE;
463 int userOfferedDraw = FALSE;
464 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
465 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
466 int cmailMoveType[CMAIL_MAX_GAMES];
467 long ics_clock_paused = 0;
468 ProcRef icsPR = NoProc, cmailPR = NoProc;
469 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
470 GameMode gameMode = BeginningOfGame;
471 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
472 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
473 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
474 int hiddenThinkOutputState = 0; /* [AS] */
475 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
476 int adjudicateLossPlies = 6;
477 char white_holding[64], black_holding[64];
478 TimeMark lastNodeCountTime;
479 long lastNodeCount=0;
480 int shiftKey, controlKey; // [HGM] set by mouse handler
482 int have_sent_ICS_logon = 0;
484 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
485 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
486 Boolean adjustedClock;
487 long timeControl_2; /* [AS] Allow separate time controls */
488 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
489 long timeRemaining[2][MAX_MOVES];
490 int matchGame = 0, nextGame = 0, roundNr = 0;
491 Boolean waitingForGame = FALSE, startingEngine = FALSE;
492 TimeMark programStartTime, pauseStart;
493 char ics_handle[MSG_SIZ];
494 int have_set_title = 0;
496 /* animateTraining preserves the state of appData.animate
497 * when Training mode is activated. This allows the
498 * response to be animated when appData.animate == TRUE and
499 * appData.animateDragging == TRUE.
501 Boolean animateTraining;
507 Board boards[MAX_MOVES];
508 /* [HGM] Following 7 needed for accurate legality tests: */
509 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
510 signed char initialRights[BOARD_FILES];
511 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
512 int initialRulePlies, FENrulePlies;
513 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
515 Boolean shuffleOpenings;
516 int mute; // mute all sounds
518 // [HGM] vari: next 12 to save and restore variations
519 #define MAX_VARIATIONS 10
520 int framePtr = MAX_MOVES-1; // points to free stack entry
522 int savedFirst[MAX_VARIATIONS];
523 int savedLast[MAX_VARIATIONS];
524 int savedFramePtr[MAX_VARIATIONS];
525 char *savedDetails[MAX_VARIATIONS];
526 ChessMove savedResult[MAX_VARIATIONS];
528 void PushTail P((int firstMove, int lastMove));
529 Boolean PopTail P((Boolean annotate));
530 void PushInner P((int firstMove, int lastMove));
531 void PopInner P((Boolean annotate));
532 void CleanupTail P((void));
534 ChessSquare FIDEArray[2][BOARD_FILES] = {
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
538 BlackKing, BlackBishop, BlackKnight, BlackRook }
541 ChessSquare twoKingsArray[2][BOARD_FILES] = {
542 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
543 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
544 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
545 BlackKing, BlackKing, BlackKnight, BlackRook }
548 ChessSquare KnightmateArray[2][BOARD_FILES] = {
549 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
550 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
551 { BlackRook, BlackMan, BlackBishop, BlackQueen,
552 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
555 ChessSquare SpartanArray[2][BOARD_FILES] = {
556 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
557 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
558 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
559 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
562 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
563 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
564 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
565 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
566 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
569 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
570 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
571 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
572 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
573 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
576 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
577 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
578 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
579 { BlackRook, BlackKnight, BlackMan, BlackFerz,
580 BlackKing, BlackMan, BlackKnight, BlackRook }
583 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
584 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
585 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
586 { BlackRook, BlackKnight, BlackMan, BlackFerz,
587 BlackKing, BlackMan, BlackKnight, BlackRook }
590 ChessSquare lionArray[2][BOARD_FILES] = {
591 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
592 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
593 { BlackRook, BlackLion, BlackBishop, BlackQueen,
594 BlackKing, BlackBishop, BlackKnight, BlackRook }
598 #if (BOARD_FILES>=10)
599 ChessSquare ShogiArray[2][BOARD_FILES] = {
600 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
601 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
602 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
603 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
606 ChessSquare XiangqiArray[2][BOARD_FILES] = {
607 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
608 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
609 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
610 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
613 ChessSquare CapablancaArray[2][BOARD_FILES] = {
614 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
615 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
616 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
617 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
620 ChessSquare GreatArray[2][BOARD_FILES] = {
621 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
622 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
623 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
624 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
627 ChessSquare JanusArray[2][BOARD_FILES] = {
628 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
629 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
630 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
631 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
634 ChessSquare GrandArray[2][BOARD_FILES] = {
635 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
636 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
637 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
638 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
641 ChessSquare ChuChessArray[2][BOARD_FILES] = {
642 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
643 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
644 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
645 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
649 ChessSquare GothicArray[2][BOARD_FILES] = {
650 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
651 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
652 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
653 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
656 #define GothicArray CapablancaArray
660 ChessSquare FalconArray[2][BOARD_FILES] = {
661 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
662 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
663 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
664 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
667 #define FalconArray CapablancaArray
670 #else // !(BOARD_FILES>=10)
671 #define XiangqiPosition FIDEArray
672 #define CapablancaArray FIDEArray
673 #define GothicArray FIDEArray
674 #define GreatArray FIDEArray
675 #endif // !(BOARD_FILES>=10)
677 #if (BOARD_FILES>=12)
678 ChessSquare CourierArray[2][BOARD_FILES] = {
679 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
680 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
681 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
682 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
684 ChessSquare ChuArray[6][BOARD_FILES] = {
685 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
686 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
687 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
688 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
689 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
690 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
691 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
692 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
693 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
694 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
695 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
696 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
698 #else // !(BOARD_FILES>=12)
699 #define CourierArray CapablancaArray
700 #define ChuArray CapablancaArray
701 #endif // !(BOARD_FILES>=12)
704 Board initialPosition;
707 /* Convert str to a rating. Checks for special cases of "----",
709 "++++", etc. Also strips ()'s */
711 string_to_rating (char *str)
713 while(*str && !isdigit(*str)) ++str;
715 return 0; /* One of the special "no rating" cases */
723 /* Init programStats */
724 programStats.movelist[0] = 0;
725 programStats.depth = 0;
726 programStats.nr_moves = 0;
727 programStats.moves_left = 0;
728 programStats.nodes = 0;
729 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
730 programStats.score = 0;
731 programStats.got_only_move = 0;
732 programStats.got_fail = 0;
733 programStats.line_is_book = 0;
738 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
739 if (appData.firstPlaysBlack) {
740 first.twoMachinesColor = "black\n";
741 second.twoMachinesColor = "white\n";
743 first.twoMachinesColor = "white\n";
744 second.twoMachinesColor = "black\n";
747 first.other = &second;
748 second.other = &first;
751 if(appData.timeOddsMode) {
752 norm = appData.timeOdds[0];
753 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
755 first.timeOdds = appData.timeOdds[0]/norm;
756 second.timeOdds = appData.timeOdds[1]/norm;
759 if(programVersion) free(programVersion);
760 if (appData.noChessProgram) {
761 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
762 sprintf(programVersion, "%s", PACKAGE_STRING);
764 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
765 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
766 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
771 UnloadEngine (ChessProgramState *cps)
773 /* Kill off first chess program */
774 if (cps->isr != NULL)
775 RemoveInputSource(cps->isr);
778 if (cps->pr != NoProc) {
780 DoSleep( appData.delayBeforeQuit );
781 SendToProgram("quit\n", cps);
782 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
785 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
789 ClearOptions (ChessProgramState *cps)
792 cps->nrOptions = cps->comboCnt = 0;
793 for(i=0; i<MAX_OPTIONS; i++) {
794 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
795 cps->option[i].textValue = 0;
799 char *engineNames[] = {
800 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
801 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
803 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
804 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
809 InitEngine (ChessProgramState *cps, int n)
810 { // [HGM] all engine initialiation put in a function that does one engine
814 cps->which = engineNames[n];
815 cps->maybeThinking = FALSE;
819 cps->sendDrawOffers = 1;
821 cps->program = appData.chessProgram[n];
822 cps->host = appData.host[n];
823 cps->dir = appData.directory[n];
824 cps->initString = appData.engInitString[n];
825 cps->computerString = appData.computerString[n];
826 cps->useSigint = TRUE;
827 cps->useSigterm = TRUE;
828 cps->reuse = appData.reuse[n];
829 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
830 cps->useSetboard = FALSE;
832 cps->usePing = FALSE;
835 cps->usePlayother = FALSE;
836 cps->useColors = TRUE;
837 cps->useUsermove = FALSE;
838 cps->sendICS = FALSE;
839 cps->sendName = appData.icsActive;
840 cps->sdKludge = FALSE;
841 cps->stKludge = FALSE;
842 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
843 TidyProgramName(cps->program, cps->host, cps->tidy);
845 ASSIGN(cps->variants, appData.variant);
846 cps->analysisSupport = 2; /* detect */
847 cps->analyzing = FALSE;
848 cps->initDone = FALSE;
851 /* New features added by Tord: */
852 cps->useFEN960 = FALSE;
853 cps->useOOCastle = TRUE;
854 /* End of new features added by Tord. */
855 cps->fenOverride = appData.fenOverride[n];
857 /* [HGM] time odds: set factor for each machine */
858 cps->timeOdds = appData.timeOdds[n];
860 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
861 cps->accumulateTC = appData.accumulateTC[n];
862 cps->maxNrOfSessions = 1;
867 cps->drawDepth = appData.drawDepth[n];
868 cps->supportsNPS = UNKNOWN;
869 cps->memSize = FALSE;
870 cps->maxCores = FALSE;
871 ASSIGN(cps->egtFormats, "");
874 cps->optionSettings = appData.engOptions[n];
876 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
877 cps->isUCI = appData.isUCI[n]; /* [AS] */
878 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
881 if (appData.protocolVersion[n] > PROTOVER
882 || appData.protocolVersion[n] < 1)
887 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
888 appData.protocolVersion[n]);
889 if( (len >= MSG_SIZ) && appData.debugMode )
890 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
892 DisplayFatalError(buf, 0, 2);
896 cps->protocolVersion = appData.protocolVersion[n];
899 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
900 ParseFeatures(appData.featureDefaults, cps);
903 ChessProgramState *savCps;
911 if(WaitForEngine(savCps, LoadEngine)) return;
912 CommonEngineInit(); // recalculate time odds
913 if(gameInfo.variant != StringToVariant(appData.variant)) {
914 // we changed variant when loading the engine; this forces us to reset
915 Reset(TRUE, savCps != &first);
916 oldMode = BeginningOfGame; // to prevent restoring old mode
918 InitChessProgram(savCps, FALSE);
919 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
920 DisplayMessage("", "");
921 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
922 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
925 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
929 ReplaceEngine (ChessProgramState *cps, int n)
931 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
933 if(oldMode != BeginningOfGame) EditGameEvent();
936 appData.noChessProgram = FALSE;
937 appData.clockMode = TRUE;
940 if(n) return; // only startup first engine immediately; second can wait
941 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
945 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
946 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
948 static char resetOptions[] =
949 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
950 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
951 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
952 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
955 FloatToFront(char **list, char *engineLine)
957 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
959 if(appData.recentEngines <= 0) return;
960 TidyProgramName(engineLine, "localhost", tidy+1);
961 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
962 strncpy(buf+1, *list, MSG_SIZ-50);
963 if(p = strstr(buf, tidy)) { // tidy name appears in list
964 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
965 while(*p++ = *++q); // squeeze out
967 strcat(tidy, buf+1); // put list behind tidy name
968 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
969 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
970 ASSIGN(*list, tidy+1);
973 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
976 Load (ChessProgramState *cps, int i)
978 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
979 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
980 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
981 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
982 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
983 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
984 appData.firstProtocolVersion = PROTOVER;
985 ParseArgsFromString(buf);
987 ReplaceEngine(cps, i);
988 FloatToFront(&appData.recentEngineList, engineLine);
992 while(q = strchr(p, SLASH)) p = q+1;
993 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
994 if(engineDir[0] != NULLCHAR) {
995 ASSIGN(appData.directory[i], engineDir); p = engineName;
996 } else if(p != engineName) { // derive directory from engine path, when not given
998 ASSIGN(appData.directory[i], engineName);
1000 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1001 } else { ASSIGN(appData.directory[i], "."); }
1002 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1004 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1005 snprintf(command, MSG_SIZ, "%s %s", p, params);
1008 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1009 ASSIGN(appData.chessProgram[i], p);
1010 appData.isUCI[i] = isUCI;
1011 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1012 appData.hasOwnBookUCI[i] = hasBook;
1013 if(!nickName[0]) useNick = FALSE;
1014 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1018 q = firstChessProgramNames;
1019 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1020 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1021 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1022 quote, p, quote, appData.directory[i],
1023 useNick ? " -fn \"" : "",
1024 useNick ? nickName : "",
1025 useNick ? "\"" : "",
1026 v1 ? " -firstProtocolVersion 1" : "",
1027 hasBook ? "" : " -fNoOwnBookUCI",
1028 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1029 storeVariant ? " -variant " : "",
1030 storeVariant ? VariantName(gameInfo.variant) : "");
1031 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1032 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1033 if(insert != q) insert[-1] = NULLCHAR;
1034 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1036 FloatToFront(&appData.recentEngineList, buf);
1038 ReplaceEngine(cps, i);
1044 int matched, min, sec;
1046 * Parse timeControl resource
1048 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1049 appData.movesPerSession)) {
1051 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1052 DisplayFatalError(buf, 0, 2);
1056 * Parse searchTime resource
1058 if (*appData.searchTime != NULLCHAR) {
1059 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1061 searchTime = min * 60;
1062 } else if (matched == 2) {
1063 searchTime = min * 60 + sec;
1066 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1067 DisplayFatalError(buf, 0, 2);
1076 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1077 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1079 GetTimeMark(&programStartTime);
1080 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1081 appData.seedBase = random() + (random()<<15);
1082 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1084 ClearProgramStats();
1085 programStats.ok_to_send = 1;
1086 programStats.seen_stat = 0;
1089 * Initialize game list
1095 * Internet chess server status
1097 if (appData.icsActive) {
1098 appData.matchMode = FALSE;
1099 appData.matchGames = 0;
1101 appData.noChessProgram = !appData.zippyPlay;
1103 appData.zippyPlay = FALSE;
1104 appData.zippyTalk = FALSE;
1105 appData.noChessProgram = TRUE;
1107 if (*appData.icsHelper != NULLCHAR) {
1108 appData.useTelnet = TRUE;
1109 appData.telnetProgram = appData.icsHelper;
1112 appData.zippyTalk = appData.zippyPlay = FALSE;
1115 /* [AS] Initialize pv info list [HGM] and game state */
1119 for( i=0; i<=framePtr; i++ ) {
1120 pvInfoList[i].depth = -1;
1121 boards[i][EP_STATUS] = EP_NONE;
1122 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1128 /* [AS] Adjudication threshold */
1129 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1131 InitEngine(&first, 0);
1132 InitEngine(&second, 1);
1135 pairing.which = "pairing"; // pairing engine
1136 pairing.pr = NoProc;
1138 pairing.program = appData.pairingEngine;
1139 pairing.host = "localhost";
1142 if (appData.icsActive) {
1143 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1144 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1145 appData.clockMode = FALSE;
1146 first.sendTime = second.sendTime = 0;
1150 /* Override some settings from environment variables, for backward
1151 compatibility. Unfortunately it's not feasible to have the env
1152 vars just set defaults, at least in xboard. Ugh.
1154 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1159 if (!appData.icsActive) {
1163 /* Check for variants that are supported only in ICS mode,
1164 or not at all. Some that are accepted here nevertheless
1165 have bugs; see comments below.
1167 VariantClass variant = StringToVariant(appData.variant);
1169 case VariantBughouse: /* need four players and two boards */
1170 case VariantKriegspiel: /* need to hide pieces and move details */
1171 /* case VariantFischeRandom: (Fabien: moved below) */
1172 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1173 if( (len >= MSG_SIZ) && appData.debugMode )
1174 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1176 DisplayFatalError(buf, 0, 2);
1179 case VariantUnknown:
1180 case VariantLoadable:
1190 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1191 if( (len >= MSG_SIZ) && appData.debugMode )
1192 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1194 DisplayFatalError(buf, 0, 2);
1197 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1198 case VariantFairy: /* [HGM] TestLegality definitely off! */
1199 case VariantGothic: /* [HGM] should work */
1200 case VariantCapablanca: /* [HGM] should work */
1201 case VariantCourier: /* [HGM] initial forced moves not implemented */
1202 case VariantShogi: /* [HGM] could still mate with pawn drop */
1203 case VariantChu: /* [HGM] experimental */
1204 case VariantKnightmate: /* [HGM] should work */
1205 case VariantCylinder: /* [HGM] untested */
1206 case VariantFalcon: /* [HGM] untested */
1207 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1208 offboard interposition not understood */
1209 case VariantNormal: /* definitely works! */
1210 case VariantWildCastle: /* pieces not automatically shuffled */
1211 case VariantNoCastle: /* pieces not automatically shuffled */
1212 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1213 case VariantLosers: /* should work except for win condition,
1214 and doesn't know captures are mandatory */
1215 case VariantSuicide: /* should work except for win condition,
1216 and doesn't know captures are mandatory */
1217 case VariantGiveaway: /* should work except for win condition,
1218 and doesn't know captures are mandatory */
1219 case VariantTwoKings: /* should work */
1220 case VariantAtomic: /* should work except for win condition */
1221 case Variant3Check: /* should work except for win condition */
1222 case VariantShatranj: /* should work except for all win conditions */
1223 case VariantMakruk: /* should work except for draw countdown */
1224 case VariantASEAN : /* should work except for draw countdown */
1225 case VariantBerolina: /* might work if TestLegality is off */
1226 case VariantCapaRandom: /* should work */
1227 case VariantJanus: /* should work */
1228 case VariantSuper: /* experimental */
1229 case VariantGreat: /* experimental, requires legality testing to be off */
1230 case VariantSChess: /* S-Chess, should work */
1231 case VariantGrand: /* should work */
1232 case VariantSpartan: /* should work */
1233 case VariantLion: /* should work */
1234 case VariantChuChess: /* should work */
1242 NextIntegerFromString (char ** str, long * value)
1247 while( *s == ' ' || *s == '\t' ) {
1253 if( *s >= '0' && *s <= '9' ) {
1254 while( *s >= '0' && *s <= '9' ) {
1255 *value = *value * 10 + (*s - '0');
1268 NextTimeControlFromString (char ** str, long * value)
1271 int result = NextIntegerFromString( str, &temp );
1274 *value = temp * 60; /* Minutes */
1275 if( **str == ':' ) {
1277 result = NextIntegerFromString( str, &temp );
1278 *value += temp; /* Seconds */
1286 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1287 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1288 int result = -1, type = 0; long temp, temp2;
1290 if(**str != ':') return -1; // old params remain in force!
1292 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1293 if( NextIntegerFromString( str, &temp ) ) return -1;
1294 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1297 /* time only: incremental or sudden-death time control */
1298 if(**str == '+') { /* increment follows; read it */
1300 if(**str == '!') type = *(*str)++; // Bronstein TC
1301 if(result = NextIntegerFromString( str, &temp2)) return -1;
1302 *inc = temp2 * 1000;
1303 if(**str == '.') { // read fraction of increment
1304 char *start = ++(*str);
1305 if(result = NextIntegerFromString( str, &temp2)) return -1;
1307 while(start++ < *str) temp2 /= 10;
1311 *moves = 0; *tc = temp * 1000; *incType = type;
1315 (*str)++; /* classical time control */
1316 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1328 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1329 { /* [HGM] get time to add from the multi-session time-control string */
1330 int incType, moves=1; /* kludge to force reading of first session */
1331 long time, increment;
1334 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1336 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1337 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1338 if(movenr == -1) return time; /* last move before new session */
1339 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1340 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1341 if(!moves) return increment; /* current session is incremental */
1342 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1343 } while(movenr >= -1); /* try again for next session */
1345 return 0; // no new time quota on this move
1349 ParseTimeControl (char *tc, float ti, int mps)
1353 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1356 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1357 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1358 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1362 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1364 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1367 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1369 snprintf(buf, MSG_SIZ, ":%s", mytc);
1371 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1373 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1378 /* Parse second time control */
1381 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1389 timeControl_2 = tc2 * 1000;
1399 timeControl = tc1 * 1000;
1402 timeIncrement = ti * 1000; /* convert to ms */
1403 movesPerSession = 0;
1406 movesPerSession = mps;
1414 if (appData.debugMode) {
1415 # ifdef __GIT_VERSION
1416 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1418 fprintf(debugFP, "Version: %s\n", programVersion);
1421 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1423 set_cont_sequence(appData.wrapContSeq);
1424 if (appData.matchGames > 0) {
1425 appData.matchMode = TRUE;
1426 } else if (appData.matchMode) {
1427 appData.matchGames = 1;
1429 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1430 appData.matchGames = appData.sameColorGames;
1431 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1432 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1433 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1436 if (appData.noChessProgram || first.protocolVersion == 1) {
1439 /* kludge: allow timeout for initial "feature" commands */
1441 DisplayMessage("", _("Starting chess program"));
1442 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1447 CalculateIndex (int index, int gameNr)
1448 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1450 if(index > 0) return index; // fixed nmber
1451 if(index == 0) return 1;
1452 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1453 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1458 LoadGameOrPosition (int gameNr)
1459 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1460 if (*appData.loadGameFile != NULLCHAR) {
1461 if (!LoadGameFromFile(appData.loadGameFile,
1462 CalculateIndex(appData.loadGameIndex, gameNr),
1463 appData.loadGameFile, FALSE)) {
1464 DisplayFatalError(_("Bad game file"), 0, 1);
1467 } else if (*appData.loadPositionFile != NULLCHAR) {
1468 if (!LoadPositionFromFile(appData.loadPositionFile,
1469 CalculateIndex(appData.loadPositionIndex, gameNr),
1470 appData.loadPositionFile)) {
1471 DisplayFatalError(_("Bad position file"), 0, 1);
1479 ReserveGame (int gameNr, char resChar)
1481 FILE *tf = fopen(appData.tourneyFile, "r+");
1482 char *p, *q, c, buf[MSG_SIZ];
1483 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1484 safeStrCpy(buf, lastMsg, MSG_SIZ);
1485 DisplayMessage(_("Pick new game"), "");
1486 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1487 ParseArgsFromFile(tf);
1488 p = q = appData.results;
1489 if(appData.debugMode) {
1490 char *r = appData.participants;
1491 fprintf(debugFP, "results = '%s'\n", p);
1492 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1493 fprintf(debugFP, "\n");
1495 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1497 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1498 safeStrCpy(q, p, strlen(p) + 2);
1499 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1500 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1501 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1502 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1505 fseek(tf, -(strlen(p)+4), SEEK_END);
1507 if(c != '"') // depending on DOS or Unix line endings we can be one off
1508 fseek(tf, -(strlen(p)+2), SEEK_END);
1509 else fseek(tf, -(strlen(p)+3), SEEK_END);
1510 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1511 DisplayMessage(buf, "");
1512 free(p); appData.results = q;
1513 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1514 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1515 int round = appData.defaultMatchGames * appData.tourneyType;
1516 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1517 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1518 UnloadEngine(&first); // next game belongs to other pairing;
1519 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1521 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1525 MatchEvent (int mode)
1526 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1528 if(matchMode) { // already in match mode: switch it off
1530 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1533 // if(gameMode != BeginningOfGame) {
1534 // DisplayError(_("You can only start a match from the initial position."), 0);
1538 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1539 /* Set up machine vs. machine match */
1541 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1542 if(appData.tourneyFile[0]) {
1544 if(nextGame > appData.matchGames) {
1546 if(strchr(appData.results, '*') == NULL) {
1548 appData.tourneyCycles++;
1549 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1551 NextTourneyGame(-1, &dummy);
1553 if(nextGame <= appData.matchGames) {
1554 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1556 ScheduleDelayedEvent(NextMatchGame, 10000);
1561 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1562 DisplayError(buf, 0);
1563 appData.tourneyFile[0] = 0;
1567 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1568 DisplayFatalError(_("Can't have a match with no chess programs"),
1573 matchGame = roundNr = 1;
1574 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1578 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1581 InitBackEnd3 P((void))
1583 GameMode initialMode;
1587 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1588 !strcmp(appData.variant, "normal") && // no explicit variant request
1589 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1590 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1591 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1592 char c, *q = first.variants, *p = strchr(q, ',');
1593 if(p) *p = NULLCHAR;
1594 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1596 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1597 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1598 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1599 Reset(TRUE, FALSE); // and re-initialize
1604 InitChessProgram(&first, startedFromSetupPosition);
1606 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1607 free(programVersion);
1608 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1609 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1610 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1613 if (appData.icsActive) {
1615 /* [DM] Make a console window if needed [HGM] merged ifs */
1621 if (*appData.icsCommPort != NULLCHAR)
1622 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1623 appData.icsCommPort);
1625 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1626 appData.icsHost, appData.icsPort);
1628 if( (len >= MSG_SIZ) && appData.debugMode )
1629 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1631 DisplayFatalError(buf, err, 1);
1636 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1638 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1639 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1640 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1641 } else if (appData.noChessProgram) {
1647 if (*appData.cmailGameName != NULLCHAR) {
1649 OpenLoopback(&cmailPR);
1651 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1655 DisplayMessage("", "");
1656 if (StrCaseCmp(appData.initialMode, "") == 0) {
1657 initialMode = BeginningOfGame;
1658 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1659 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1660 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1661 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1664 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1665 initialMode = TwoMachinesPlay;
1666 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1667 initialMode = AnalyzeFile;
1668 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1669 initialMode = AnalyzeMode;
1670 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1671 initialMode = MachinePlaysWhite;
1672 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1673 initialMode = MachinePlaysBlack;
1674 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1675 initialMode = EditGame;
1676 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1677 initialMode = EditPosition;
1678 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1679 initialMode = Training;
1681 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1682 if( (len >= MSG_SIZ) && appData.debugMode )
1683 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1685 DisplayFatalError(buf, 0, 2);
1689 if (appData.matchMode) {
1690 if(appData.tourneyFile[0]) { // start tourney from command line
1692 if(f = fopen(appData.tourneyFile, "r")) {
1693 ParseArgsFromFile(f); // make sure tourney parmeters re known
1695 appData.clockMode = TRUE;
1697 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1700 } else if (*appData.cmailGameName != NULLCHAR) {
1701 /* Set up cmail mode */
1702 ReloadCmailMsgEvent(TRUE);
1704 /* Set up other modes */
1705 if (initialMode == AnalyzeFile) {
1706 if (*appData.loadGameFile == NULLCHAR) {
1707 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1711 if (*appData.loadGameFile != NULLCHAR) {
1712 (void) LoadGameFromFile(appData.loadGameFile,
1713 appData.loadGameIndex,
1714 appData.loadGameFile, TRUE);
1715 } else if (*appData.loadPositionFile != NULLCHAR) {
1716 (void) LoadPositionFromFile(appData.loadPositionFile,
1717 appData.loadPositionIndex,
1718 appData.loadPositionFile);
1719 /* [HGM] try to make self-starting even after FEN load */
1720 /* to allow automatic setup of fairy variants with wtm */
1721 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1722 gameMode = BeginningOfGame;
1723 setboardSpoiledMachineBlack = 1;
1725 /* [HGM] loadPos: make that every new game uses the setup */
1726 /* from file as long as we do not switch variant */
1727 if(!blackPlaysFirst) {
1728 startedFromPositionFile = TRUE;
1729 CopyBoard(filePosition, boards[0]);
1732 if (initialMode == AnalyzeMode) {
1733 if (appData.noChessProgram) {
1734 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1737 if (appData.icsActive) {
1738 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1742 } else if (initialMode == AnalyzeFile) {
1743 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1744 ShowThinkingEvent();
1746 AnalysisPeriodicEvent(1);
1747 } else if (initialMode == MachinePlaysWhite) {
1748 if (appData.noChessProgram) {
1749 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1753 if (appData.icsActive) {
1754 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1758 MachineWhiteEvent();
1759 } else if (initialMode == MachinePlaysBlack) {
1760 if (appData.noChessProgram) {
1761 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1765 if (appData.icsActive) {
1766 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1770 MachineBlackEvent();
1771 } else if (initialMode == TwoMachinesPlay) {
1772 if (appData.noChessProgram) {
1773 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1777 if (appData.icsActive) {
1778 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1783 } else if (initialMode == EditGame) {
1785 } else if (initialMode == EditPosition) {
1786 EditPositionEvent();
1787 } else if (initialMode == Training) {
1788 if (*appData.loadGameFile == NULLCHAR) {
1789 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1798 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1800 DisplayBook(current+1);
1802 MoveHistorySet( movelist, first, last, current, pvInfoList );
1804 EvalGraphSet( first, last, current, pvInfoList );
1806 MakeEngineOutputTitle();
1810 * Establish will establish a contact to a remote host.port.
1811 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1812 * used to talk to the host.
1813 * Returns 0 if okay, error code if not.
1820 if (*appData.icsCommPort != NULLCHAR) {
1821 /* Talk to the host through a serial comm port */
1822 return OpenCommPort(appData.icsCommPort, &icsPR);
1824 } else if (*appData.gateway != NULLCHAR) {
1825 if (*appData.remoteShell == NULLCHAR) {
1826 /* Use the rcmd protocol to run telnet program on a gateway host */
1827 snprintf(buf, sizeof(buf), "%s %s %s",
1828 appData.telnetProgram, appData.icsHost, appData.icsPort);
1829 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1832 /* Use the rsh program to run telnet program on a gateway host */
1833 if (*appData.remoteUser == NULLCHAR) {
1834 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1835 appData.gateway, appData.telnetProgram,
1836 appData.icsHost, appData.icsPort);
1838 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1839 appData.remoteShell, appData.gateway,
1840 appData.remoteUser, appData.telnetProgram,
1841 appData.icsHost, appData.icsPort);
1843 return StartChildProcess(buf, "", &icsPR);
1846 } else if (appData.useTelnet) {
1847 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1850 /* TCP socket interface differs somewhat between
1851 Unix and NT; handle details in the front end.
1853 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1858 EscapeExpand (char *p, char *q)
1859 { // [HGM] initstring: routine to shape up string arguments
1860 while(*p++ = *q++) if(p[-1] == '\\')
1862 case 'n': p[-1] = '\n'; break;
1863 case 'r': p[-1] = '\r'; break;
1864 case 't': p[-1] = '\t'; break;
1865 case '\\': p[-1] = '\\'; break;
1866 case 0: *p = 0; return;
1867 default: p[-1] = q[-1]; break;
1872 show_bytes (FILE *fp, char *buf, int count)
1875 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1876 fprintf(fp, "\\%03o", *buf & 0xff);
1885 /* Returns an errno value */
1887 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1889 char buf[8192], *p, *q, *buflim;
1890 int left, newcount, outcount;
1892 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1893 *appData.gateway != NULLCHAR) {
1894 if (appData.debugMode) {
1895 fprintf(debugFP, ">ICS: ");
1896 show_bytes(debugFP, message, count);
1897 fprintf(debugFP, "\n");
1899 return OutputToProcess(pr, message, count, outError);
1902 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1909 if (appData.debugMode) {
1910 fprintf(debugFP, ">ICS: ");
1911 show_bytes(debugFP, buf, newcount);
1912 fprintf(debugFP, "\n");
1914 outcount = OutputToProcess(pr, buf, newcount, outError);
1915 if (outcount < newcount) return -1; /* to be sure */
1922 } else if (((unsigned char) *p) == TN_IAC) {
1923 *q++ = (char) TN_IAC;
1930 if (appData.debugMode) {
1931 fprintf(debugFP, ">ICS: ");
1932 show_bytes(debugFP, buf, newcount);
1933 fprintf(debugFP, "\n");
1935 outcount = OutputToProcess(pr, buf, newcount, outError);
1936 if (outcount < newcount) return -1; /* to be sure */
1941 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1943 int outError, outCount;
1944 static int gotEof = 0;
1947 /* Pass data read from player on to ICS */
1950 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1951 if (outCount < count) {
1952 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1954 if(have_sent_ICS_logon == 2) {
1955 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1956 fprintf(ini, "%s", message);
1957 have_sent_ICS_logon = 3;
1959 have_sent_ICS_logon = 1;
1960 } else if(have_sent_ICS_logon == 3) {
1961 fprintf(ini, "%s", message);
1963 have_sent_ICS_logon = 1;
1965 } else if (count < 0) {
1966 RemoveInputSource(isr);
1967 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1968 } else if (gotEof++ > 0) {
1969 RemoveInputSource(isr);
1970 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1976 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1977 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1978 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1979 SendToICS("date\n");
1980 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1983 /* added routine for printf style output to ics */
1985 ics_printf (char *format, ...)
1987 char buffer[MSG_SIZ];
1990 va_start(args, format);
1991 vsnprintf(buffer, sizeof(buffer), format, args);
1992 buffer[sizeof(buffer)-1] = '\0';
2000 int count, outCount, outError;
2002 if (icsPR == NoProc) return;
2005 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2006 if (outCount < count) {
2007 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2011 /* This is used for sending logon scripts to the ICS. Sending
2012 without a delay causes problems when using timestamp on ICC
2013 (at least on my machine). */
2015 SendToICSDelayed (char *s, long msdelay)
2017 int count, outCount, outError;
2019 if (icsPR == NoProc) return;
2022 if (appData.debugMode) {
2023 fprintf(debugFP, ">ICS: ");
2024 show_bytes(debugFP, s, count);
2025 fprintf(debugFP, "\n");
2027 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2029 if (outCount < count) {
2030 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2035 /* Remove all highlighting escape sequences in s
2036 Also deletes any suffix starting with '('
2039 StripHighlightAndTitle (char *s)
2041 static char retbuf[MSG_SIZ];
2044 while (*s != NULLCHAR) {
2045 while (*s == '\033') {
2046 while (*s != NULLCHAR && !isalpha(*s)) s++;
2047 if (*s != NULLCHAR) s++;
2049 while (*s != NULLCHAR && *s != '\033') {
2050 if (*s == '(' || *s == '[') {
2061 /* Remove all highlighting escape sequences in s */
2063 StripHighlight (char *s)
2065 static char retbuf[MSG_SIZ];
2068 while (*s != NULLCHAR) {
2069 while (*s == '\033') {
2070 while (*s != NULLCHAR && !isalpha(*s)) s++;
2071 if (*s != NULLCHAR) s++;
2073 while (*s != NULLCHAR && *s != '\033') {
2081 char engineVariant[MSG_SIZ];
2082 char *variantNames[] = VARIANT_NAMES;
2084 VariantName (VariantClass v)
2086 if(v == VariantUnknown || *engineVariant) return engineVariant;
2087 return variantNames[v];
2091 /* Identify a variant from the strings the chess servers use or the
2092 PGN Variant tag names we use. */
2094 StringToVariant (char *e)
2098 VariantClass v = VariantNormal;
2099 int i, found = FALSE;
2105 /* [HGM] skip over optional board-size prefixes */
2106 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2107 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2108 while( *e++ != '_');
2111 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2115 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2116 if (p = StrCaseStr(e, variantNames[i])) {
2117 if(p && i >= VariantShogi && isalpha(p[strlen(variantNames[i])])) continue;
2118 v = (VariantClass) i;
2125 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2126 || StrCaseStr(e, "wild/fr")
2127 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2128 v = VariantFischeRandom;
2129 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2130 (i = 1, p = StrCaseStr(e, "w"))) {
2132 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2139 case 0: /* FICS only, actually */
2141 /* Castling legal even if K starts on d-file */
2142 v = VariantWildCastle;
2147 /* Castling illegal even if K & R happen to start in
2148 normal positions. */
2149 v = VariantNoCastle;
2162 /* Castling legal iff K & R start in normal positions */
2168 /* Special wilds for position setup; unclear what to do here */
2169 v = VariantLoadable;
2172 /* Bizarre ICC game */
2173 v = VariantTwoKings;
2176 v = VariantKriegspiel;
2182 v = VariantFischeRandom;
2185 v = VariantCrazyhouse;
2188 v = VariantBughouse;
2194 /* Not quite the same as FICS suicide! */
2195 v = VariantGiveaway;
2201 v = VariantShatranj;
2204 /* Temporary names for future ICC types. The name *will* change in
2205 the next xboard/WinBoard release after ICC defines it. */
2243 v = VariantCapablanca;
2246 v = VariantKnightmate;
2252 v = VariantCylinder;
2258 v = VariantCapaRandom;
2261 v = VariantBerolina;
2273 /* Found "wild" or "w" in the string but no number;
2274 must assume it's normal chess. */
2278 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2279 if( (len >= MSG_SIZ) && appData.debugMode )
2280 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2282 DisplayError(buf, 0);
2288 if (appData.debugMode) {
2289 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2290 e, wnum, VariantName(v));
2295 static int leftover_start = 0, leftover_len = 0;
2296 char star_match[STAR_MATCH_N][MSG_SIZ];
2298 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2299 advance *index beyond it, and set leftover_start to the new value of
2300 *index; else return FALSE. If pattern contains the character '*', it
2301 matches any sequence of characters not containing '\r', '\n', or the
2302 character following the '*' (if any), and the matched sequence(s) are
2303 copied into star_match.
2306 looking_at ( char *buf, int *index, char *pattern)
2308 char *bufp = &buf[*index], *patternp = pattern;
2310 char *matchp = star_match[0];
2313 if (*patternp == NULLCHAR) {
2314 *index = leftover_start = bufp - buf;
2318 if (*bufp == NULLCHAR) return FALSE;
2319 if (*patternp == '*') {
2320 if (*bufp == *(patternp + 1)) {
2322 matchp = star_match[++star_count];
2326 } else if (*bufp == '\n' || *bufp == '\r') {
2328 if (*patternp == NULLCHAR)
2333 *matchp++ = *bufp++;
2337 if (*patternp != *bufp) return FALSE;
2344 SendToPlayer (char *data, int length)
2346 int error, outCount;
2347 outCount = OutputToProcess(NoProc, data, length, &error);
2348 if (outCount < length) {
2349 DisplayFatalError(_("Error writing to display"), error, 1);
2354 PackHolding (char packed[], char *holding)
2364 switch (runlength) {
2375 sprintf(q, "%d", runlength);
2387 /* Telnet protocol requests from the front end */
2389 TelnetRequest (unsigned char ddww, unsigned char option)
2391 unsigned char msg[3];
2392 int outCount, outError;
2394 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2396 if (appData.debugMode) {
2397 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2413 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2422 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2425 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2430 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2432 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2439 if (!appData.icsActive) return;
2440 TelnetRequest(TN_DO, TN_ECHO);
2446 if (!appData.icsActive) return;
2447 TelnetRequest(TN_DONT, TN_ECHO);
2451 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2453 /* put the holdings sent to us by the server on the board holdings area */
2454 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2458 if(gameInfo.holdingsWidth < 2) return;
2459 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2460 return; // prevent overwriting by pre-board holdings
2462 if( (int)lowestPiece >= BlackPawn ) {
2465 holdingsStartRow = BOARD_HEIGHT-1;
2468 holdingsColumn = BOARD_WIDTH-1;
2469 countsColumn = BOARD_WIDTH-2;
2470 holdingsStartRow = 0;
2474 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2475 board[i][holdingsColumn] = EmptySquare;
2476 board[i][countsColumn] = (ChessSquare) 0;
2478 while( (p=*holdings++) != NULLCHAR ) {
2479 piece = CharToPiece( ToUpper(p) );
2480 if(piece == EmptySquare) continue;
2481 /*j = (int) piece - (int) WhitePawn;*/
2482 j = PieceToNumber(piece);
2483 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2484 if(j < 0) continue; /* should not happen */
2485 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2486 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2487 board[holdingsStartRow+j*direction][countsColumn]++;
2493 VariantSwitch (Board board, VariantClass newVariant)
2495 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2496 static Board oldBoard;
2498 startedFromPositionFile = FALSE;
2499 if(gameInfo.variant == newVariant) return;
2501 /* [HGM] This routine is called each time an assignment is made to
2502 * gameInfo.variant during a game, to make sure the board sizes
2503 * are set to match the new variant. If that means adding or deleting
2504 * holdings, we shift the playing board accordingly
2505 * This kludge is needed because in ICS observe mode, we get boards
2506 * of an ongoing game without knowing the variant, and learn about the
2507 * latter only later. This can be because of the move list we requested,
2508 * in which case the game history is refilled from the beginning anyway,
2509 * but also when receiving holdings of a crazyhouse game. In the latter
2510 * case we want to add those holdings to the already received position.
2514 if (appData.debugMode) {
2515 fprintf(debugFP, "Switch board from %s to %s\n",
2516 VariantName(gameInfo.variant), VariantName(newVariant));
2517 setbuf(debugFP, NULL);
2519 shuffleOpenings = 0; /* [HGM] shuffle */
2520 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2524 newWidth = 9; newHeight = 9;
2525 gameInfo.holdingsSize = 7;
2526 case VariantBughouse:
2527 case VariantCrazyhouse:
2528 newHoldingsWidth = 2; break;
2532 newHoldingsWidth = 2;
2533 gameInfo.holdingsSize = 8;
2536 case VariantCapablanca:
2537 case VariantCapaRandom:
2540 newHoldingsWidth = gameInfo.holdingsSize = 0;
2543 if(newWidth != gameInfo.boardWidth ||
2544 newHeight != gameInfo.boardHeight ||
2545 newHoldingsWidth != gameInfo.holdingsWidth ) {
2547 /* shift position to new playing area, if needed */
2548 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2549 for(i=0; i<BOARD_HEIGHT; i++)
2550 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2551 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2553 for(i=0; i<newHeight; i++) {
2554 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2555 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2557 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2558 for(i=0; i<BOARD_HEIGHT; i++)
2559 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2560 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2563 board[HOLDINGS_SET] = 0;
2564 gameInfo.boardWidth = newWidth;
2565 gameInfo.boardHeight = newHeight;
2566 gameInfo.holdingsWidth = newHoldingsWidth;
2567 gameInfo.variant = newVariant;
2568 InitDrawingSizes(-2, 0);
2569 } else gameInfo.variant = newVariant;
2570 CopyBoard(oldBoard, board); // remember correctly formatted board
2571 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2572 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2575 static int loggedOn = FALSE;
2577 /*-- Game start info cache: --*/
2579 char gs_kind[MSG_SIZ];
2580 static char player1Name[128] = "";
2581 static char player2Name[128] = "";
2582 static char cont_seq[] = "\n\\ ";
2583 static int player1Rating = -1;
2584 static int player2Rating = -1;
2585 /*----------------------------*/
2587 ColorClass curColor = ColorNormal;
2588 int suppressKibitz = 0;
2591 Boolean soughtPending = FALSE;
2592 Boolean seekGraphUp;
2593 #define MAX_SEEK_ADS 200
2595 char *seekAdList[MAX_SEEK_ADS];
2596 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2597 float tcList[MAX_SEEK_ADS];
2598 char colorList[MAX_SEEK_ADS];
2599 int nrOfSeekAds = 0;
2600 int minRating = 1010, maxRating = 2800;
2601 int hMargin = 10, vMargin = 20, h, w;
2602 extern int squareSize, lineGap;
2607 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2608 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2609 if(r < minRating+100 && r >=0 ) r = minRating+100;
2610 if(r > maxRating) r = maxRating;
2611 if(tc < 1.f) tc = 1.f;
2612 if(tc > 95.f) tc = 95.f;
2613 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2614 y = ((double)r - minRating)/(maxRating - minRating)
2615 * (h-vMargin-squareSize/8-1) + vMargin;
2616 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2617 if(strstr(seekAdList[i], " u ")) color = 1;
2618 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2619 !strstr(seekAdList[i], "bullet") &&
2620 !strstr(seekAdList[i], "blitz") &&
2621 !strstr(seekAdList[i], "standard") ) color = 2;
2622 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2623 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2627 PlotSingleSeekAd (int i)
2633 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2635 char buf[MSG_SIZ], *ext = "";
2636 VariantClass v = StringToVariant(type);
2637 if(strstr(type, "wild")) {
2638 ext = type + 4; // append wild number
2639 if(v == VariantFischeRandom) type = "chess960"; else
2640 if(v == VariantLoadable) type = "setup"; else
2641 type = VariantName(v);
2643 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2644 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2645 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2646 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2647 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2648 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2649 seekNrList[nrOfSeekAds] = nr;
2650 zList[nrOfSeekAds] = 0;
2651 seekAdList[nrOfSeekAds++] = StrSave(buf);
2652 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2657 EraseSeekDot (int i)
2659 int x = xList[i], y = yList[i], d=squareSize/4, k;
2660 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2661 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2662 // now replot every dot that overlapped
2663 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2664 int xx = xList[k], yy = yList[k];
2665 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2666 DrawSeekDot(xx, yy, colorList[k]);
2671 RemoveSeekAd (int nr)
2674 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2676 if(seekAdList[i]) free(seekAdList[i]);
2677 seekAdList[i] = seekAdList[--nrOfSeekAds];
2678 seekNrList[i] = seekNrList[nrOfSeekAds];
2679 ratingList[i] = ratingList[nrOfSeekAds];
2680 colorList[i] = colorList[nrOfSeekAds];
2681 tcList[i] = tcList[nrOfSeekAds];
2682 xList[i] = xList[nrOfSeekAds];
2683 yList[i] = yList[nrOfSeekAds];
2684 zList[i] = zList[nrOfSeekAds];
2685 seekAdList[nrOfSeekAds] = NULL;
2691 MatchSoughtLine (char *line)
2693 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2694 int nr, base, inc, u=0; char dummy;
2696 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2697 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2699 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2700 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2701 // match: compact and save the line
2702 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2712 if(!seekGraphUp) return FALSE;
2713 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2714 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2716 DrawSeekBackground(0, 0, w, h);
2717 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2718 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2719 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2720 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2722 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2725 snprintf(buf, MSG_SIZ, "%d", i);
2726 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2729 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2730 for(i=1; i<100; i+=(i<10?1:5)) {
2731 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2732 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2733 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2735 snprintf(buf, MSG_SIZ, "%d", i);
2736 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2739 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2744 SeekGraphClick (ClickType click, int x, int y, int moving)
2746 static int lastDown = 0, displayed = 0, lastSecond;
2747 if(y < 0) return FALSE;
2748 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2749 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2750 if(!seekGraphUp) return FALSE;
2751 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2752 DrawPosition(TRUE, NULL);
2755 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2756 if(click == Release || moving) return FALSE;
2758 soughtPending = TRUE;
2759 SendToICS(ics_prefix);
2760 SendToICS("sought\n"); // should this be "sought all"?
2761 } else { // issue challenge based on clicked ad
2762 int dist = 10000; int i, closest = 0, second = 0;
2763 for(i=0; i<nrOfSeekAds; i++) {
2764 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2765 if(d < dist) { dist = d; closest = i; }
2766 second += (d - zList[i] < 120); // count in-range ads
2767 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2771 second = (second > 1);
2772 if(displayed != closest || second != lastSecond) {
2773 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2774 lastSecond = second; displayed = closest;
2776 if(click == Press) {
2777 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2780 } // on press 'hit', only show info
2781 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2782 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2783 SendToICS(ics_prefix);
2785 return TRUE; // let incoming board of started game pop down the graph
2786 } else if(click == Release) { // release 'miss' is ignored
2787 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2788 if(moving == 2) { // right up-click
2789 nrOfSeekAds = 0; // refresh graph
2790 soughtPending = TRUE;
2791 SendToICS(ics_prefix);
2792 SendToICS("sought\n"); // should this be "sought all"?
2795 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2796 // press miss or release hit 'pop down' seek graph
2797 seekGraphUp = FALSE;
2798 DrawPosition(TRUE, NULL);
2804 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2806 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2807 #define STARTED_NONE 0
2808 #define STARTED_MOVES 1
2809 #define STARTED_BOARD 2
2810 #define STARTED_OBSERVE 3
2811 #define STARTED_HOLDINGS 4
2812 #define STARTED_CHATTER 5
2813 #define STARTED_COMMENT 6
2814 #define STARTED_MOVES_NOHIDE 7
2816 static int started = STARTED_NONE;
2817 static char parse[20000];
2818 static int parse_pos = 0;
2819 static char buf[BUF_SIZE + 1];
2820 static int firstTime = TRUE, intfSet = FALSE;
2821 static ColorClass prevColor = ColorNormal;
2822 static int savingComment = FALSE;
2823 static int cmatch = 0; // continuation sequence match
2830 int backup; /* [DM] For zippy color lines */
2832 char talker[MSG_SIZ]; // [HGM] chat
2833 int channel, collective=0;
2835 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2837 if (appData.debugMode) {
2839 fprintf(debugFP, "<ICS: ");
2840 show_bytes(debugFP, data, count);
2841 fprintf(debugFP, "\n");
2845 if (appData.debugMode) { int f = forwardMostMove;
2846 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2847 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2848 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2851 /* If last read ended with a partial line that we couldn't parse,
2852 prepend it to the new read and try again. */
2853 if (leftover_len > 0) {
2854 for (i=0; i<leftover_len; i++)
2855 buf[i] = buf[leftover_start + i];
2858 /* copy new characters into the buffer */
2859 bp = buf + leftover_len;
2860 buf_len=leftover_len;
2861 for (i=0; i<count; i++)
2864 if (data[i] == '\r')
2867 // join lines split by ICS?
2868 if (!appData.noJoin)
2871 Joining just consists of finding matches against the
2872 continuation sequence, and discarding that sequence
2873 if found instead of copying it. So, until a match
2874 fails, there's nothing to do since it might be the
2875 complete sequence, and thus, something we don't want
2878 if (data[i] == cont_seq[cmatch])
2881 if (cmatch == strlen(cont_seq))
2883 cmatch = 0; // complete match. just reset the counter
2886 it's possible for the ICS to not include the space
2887 at the end of the last word, making our [correct]
2888 join operation fuse two separate words. the server
2889 does this when the space occurs at the width setting.
2891 if (!buf_len || buf[buf_len-1] != ' ')
2902 match failed, so we have to copy what matched before
2903 falling through and copying this character. In reality,
2904 this will only ever be just the newline character, but
2905 it doesn't hurt to be precise.
2907 strncpy(bp, cont_seq, cmatch);
2919 buf[buf_len] = NULLCHAR;
2920 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2925 while (i < buf_len) {
2926 /* Deal with part of the TELNET option negotiation
2927 protocol. We refuse to do anything beyond the
2928 defaults, except that we allow the WILL ECHO option,
2929 which ICS uses to turn off password echoing when we are
2930 directly connected to it. We reject this option
2931 if localLineEditing mode is on (always on in xboard)
2932 and we are talking to port 23, which might be a real
2933 telnet server that will try to keep WILL ECHO on permanently.
2935 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2936 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2937 unsigned char option;
2939 switch ((unsigned char) buf[++i]) {
2941 if (appData.debugMode)
2942 fprintf(debugFP, "\n<WILL ");
2943 switch (option = (unsigned char) buf[++i]) {
2945 if (appData.debugMode)
2946 fprintf(debugFP, "ECHO ");
2947 /* Reply only if this is a change, according
2948 to the protocol rules. */
2949 if (remoteEchoOption) break;
2950 if (appData.localLineEditing &&
2951 atoi(appData.icsPort) == TN_PORT) {
2952 TelnetRequest(TN_DONT, TN_ECHO);
2955 TelnetRequest(TN_DO, TN_ECHO);
2956 remoteEchoOption = TRUE;
2960 if (appData.debugMode)
2961 fprintf(debugFP, "%d ", option);
2962 /* Whatever this is, we don't want it. */
2963 TelnetRequest(TN_DONT, option);
2968 if (appData.debugMode)
2969 fprintf(debugFP, "\n<WONT ");
2970 switch (option = (unsigned char) buf[++i]) {
2972 if (appData.debugMode)
2973 fprintf(debugFP, "ECHO ");
2974 /* Reply only if this is a change, according
2975 to the protocol rules. */
2976 if (!remoteEchoOption) break;
2978 TelnetRequest(TN_DONT, TN_ECHO);
2979 remoteEchoOption = FALSE;
2982 if (appData.debugMode)
2983 fprintf(debugFP, "%d ", (unsigned char) option);
2984 /* Whatever this is, it must already be turned
2985 off, because we never agree to turn on
2986 anything non-default, so according to the
2987 protocol rules, we don't reply. */
2992 if (appData.debugMode)
2993 fprintf(debugFP, "\n<DO ");
2994 switch (option = (unsigned char) buf[++i]) {
2996 /* Whatever this is, we refuse to do it. */
2997 if (appData.debugMode)
2998 fprintf(debugFP, "%d ", option);
2999 TelnetRequest(TN_WONT, option);
3004 if (appData.debugMode)
3005 fprintf(debugFP, "\n<DONT ");
3006 switch (option = (unsigned char) buf[++i]) {
3008 if (appData.debugMode)
3009 fprintf(debugFP, "%d ", option);
3010 /* Whatever this is, we are already not doing
3011 it, because we never agree to do anything
3012 non-default, so according to the protocol
3013 rules, we don't reply. */
3018 if (appData.debugMode)
3019 fprintf(debugFP, "\n<IAC ");
3020 /* Doubled IAC; pass it through */
3024 if (appData.debugMode)
3025 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3026 /* Drop all other telnet commands on the floor */
3029 if (oldi > next_out)
3030 SendToPlayer(&buf[next_out], oldi - next_out);
3036 /* OK, this at least will *usually* work */
3037 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3041 if (loggedOn && !intfSet) {
3042 if (ics_type == ICS_ICC) {
3043 snprintf(str, MSG_SIZ,
3044 "/set-quietly interface %s\n/set-quietly style 12\n",
3046 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3047 strcat(str, "/set-2 51 1\n/set seek 1\n");
3048 } else if (ics_type == ICS_CHESSNET) {
3049 snprintf(str, MSG_SIZ, "/style 12\n");
3051 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3052 strcat(str, programVersion);
3053 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3054 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3055 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3057 strcat(str, "$iset nohighlight 1\n");
3059 strcat(str, "$iset lock 1\n$style 12\n");
3062 NotifyFrontendLogin();
3066 if (started == STARTED_COMMENT) {
3067 /* Accumulate characters in comment */
3068 parse[parse_pos++] = buf[i];
3069 if (buf[i] == '\n') {
3070 parse[parse_pos] = NULLCHAR;
3071 if(chattingPartner>=0) {
3073 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3074 OutputChatMessage(chattingPartner, mess);
3075 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3077 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3078 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3079 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3080 OutputChatMessage(p, mess);
3084 chattingPartner = -1;
3085 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3088 if(!suppressKibitz) // [HGM] kibitz
3089 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3090 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3091 int nrDigit = 0, nrAlph = 0, j;
3092 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3093 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3094 parse[parse_pos] = NULLCHAR;
3095 // try to be smart: if it does not look like search info, it should go to
3096 // ICS interaction window after all, not to engine-output window.
3097 for(j=0; j<parse_pos; j++) { // count letters and digits
3098 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3099 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3100 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3102 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3103 int depth=0; float score;
3104 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3105 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3106 pvInfoList[forwardMostMove-1].depth = depth;
3107 pvInfoList[forwardMostMove-1].score = 100*score;
3109 OutputKibitz(suppressKibitz, parse);
3112 if(gameMode == IcsObserving) // restore original ICS messages
3113 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3114 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3116 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3117 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3118 SendToPlayer(tmp, strlen(tmp));
3120 next_out = i+1; // [HGM] suppress printing in ICS window
3122 started = STARTED_NONE;
3124 /* Don't match patterns against characters in comment */
3129 if (started == STARTED_CHATTER) {
3130 if (buf[i] != '\n') {
3131 /* Don't match patterns against characters in chatter */
3135 started = STARTED_NONE;
3136 if(suppressKibitz) next_out = i+1;
3139 /* Kludge to deal with rcmd protocol */
3140 if (firstTime && looking_at(buf, &i, "\001*")) {
3141 DisplayFatalError(&buf[1], 0, 1);
3147 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3150 if (appData.debugMode)
3151 fprintf(debugFP, "ics_type %d\n", ics_type);
3154 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3155 ics_type = ICS_FICS;
3157 if (appData.debugMode)
3158 fprintf(debugFP, "ics_type %d\n", ics_type);
3161 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3162 ics_type = ICS_CHESSNET;
3164 if (appData.debugMode)
3165 fprintf(debugFP, "ics_type %d\n", ics_type);
3170 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3171 looking_at(buf, &i, "Logging you in as \"*\"") ||
3172 looking_at(buf, &i, "will be \"*\""))) {
3173 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3177 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3179 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3180 DisplayIcsInteractionTitle(buf);
3181 have_set_title = TRUE;
3184 /* skip finger notes */
3185 if (started == STARTED_NONE &&
3186 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3187 (buf[i] == '1' && buf[i+1] == '0')) &&
3188 buf[i+2] == ':' && buf[i+3] == ' ') {
3189 started = STARTED_CHATTER;
3195 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3196 if(appData.seekGraph) {
3197 if(soughtPending && MatchSoughtLine(buf+i)) {
3198 i = strstr(buf+i, "rated") - buf;
3199 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3200 next_out = leftover_start = i;
3201 started = STARTED_CHATTER;
3202 suppressKibitz = TRUE;
3205 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3206 && looking_at(buf, &i, "* ads displayed")) {
3207 soughtPending = FALSE;
3212 if(appData.autoRefresh) {
3213 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3214 int s = (ics_type == ICS_ICC); // ICC format differs
3216 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3217 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3218 looking_at(buf, &i, "*% "); // eat prompt
3219 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3220 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3221 next_out = i; // suppress
3224 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3225 char *p = star_match[0];
3227 if(seekGraphUp) RemoveSeekAd(atoi(p));
3228 while(*p && *p++ != ' '); // next
3230 looking_at(buf, &i, "*% "); // eat prompt
3231 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3238 /* skip formula vars */
3239 if (started == STARTED_NONE &&
3240 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3241 started = STARTED_CHATTER;
3246 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3247 if (appData.autoKibitz && started == STARTED_NONE &&
3248 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3249 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3250 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3251 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3252 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3253 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3254 suppressKibitz = TRUE;
3255 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3257 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3258 && (gameMode == IcsPlayingWhite)) ||
3259 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3260 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3261 started = STARTED_CHATTER; // own kibitz we simply discard
3263 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3264 parse_pos = 0; parse[0] = NULLCHAR;
3265 savingComment = TRUE;
3266 suppressKibitz = gameMode != IcsObserving ? 2 :
3267 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3271 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3272 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3273 && atoi(star_match[0])) {
3274 // suppress the acknowledgements of our own autoKibitz
3276 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3277 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3278 SendToPlayer(star_match[0], strlen(star_match[0]));
3279 if(looking_at(buf, &i, "*% ")) // eat prompt
3280 suppressKibitz = FALSE;
3284 } // [HGM] kibitz: end of patch
3286 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3288 // [HGM] chat: intercept tells by users for which we have an open chat window
3290 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3291 looking_at(buf, &i, "* whispers:") ||
3292 looking_at(buf, &i, "* kibitzes:") ||
3293 looking_at(buf, &i, "* shouts:") ||
3294 looking_at(buf, &i, "* c-shouts:") ||
3295 looking_at(buf, &i, "--> * ") ||
3296 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3297 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3298 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3299 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3301 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3302 chattingPartner = -1; collective = 0;
3304 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3305 for(p=0; p<MAX_CHAT; p++) {
3307 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3308 talker[0] = '['; strcat(talker, "] ");
3309 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3310 chattingPartner = p; break;
3313 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3314 for(p=0; p<MAX_CHAT; p++) {
3316 if(!strcmp("kibitzes", chatPartner[p])) {
3317 talker[0] = '['; strcat(talker, "] ");
3318 chattingPartner = p; break;
3321 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3322 for(p=0; p<MAX_CHAT; p++) {
3324 if(!strcmp("whispers", chatPartner[p])) {
3325 talker[0] = '['; strcat(talker, "] ");
3326 chattingPartner = p; break;
3329 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3330 if(buf[i-8] == '-' && buf[i-3] == 't')
3331 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3333 if(!strcmp("c-shouts", chatPartner[p])) {
3334 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3335 chattingPartner = p; break;
3338 if(chattingPartner < 0)
3339 for(p=0; p<MAX_CHAT; p++) {
3341 if(!strcmp("shouts", chatPartner[p])) {
3342 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3343 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3344 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3345 chattingPartner = p; break;
3349 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3350 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3352 Colorize(ColorTell, FALSE);
3353 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3355 chattingPartner = p; break;
3357 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3358 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3359 started = STARTED_COMMENT;
3360 parse_pos = 0; parse[0] = NULLCHAR;
3361 savingComment = 3 + chattingPartner; // counts as TRUE
3362 if(collective == 3) i = oldi; else {
3363 suppressKibitz = TRUE;
3364 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3365 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3369 } // [HGM] chat: end of patch
3372 if (appData.zippyTalk || appData.zippyPlay) {
3373 /* [DM] Backup address for color zippy lines */
3375 if (loggedOn == TRUE)
3376 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3377 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3379 } // [DM] 'else { ' deleted
3381 /* Regular tells and says */
3382 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3383 looking_at(buf, &i, "* (your partner) tells you: ") ||
3384 looking_at(buf, &i, "* says: ") ||
3385 /* Don't color "message" or "messages" output */
3386 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3387 looking_at(buf, &i, "*. * at *:*: ") ||
3388 looking_at(buf, &i, "--* (*:*): ") ||
3389 /* Message notifications (same color as tells) */
3390 looking_at(buf, &i, "* has left a message ") ||
3391 looking_at(buf, &i, "* just sent you a message:\n") ||
3392 /* Whispers and kibitzes */
3393 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3394 looking_at(buf, &i, "* kibitzes: ") ||
3396 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3398 if (tkind == 1 && strchr(star_match[0], ':')) {
3399 /* Avoid "tells you:" spoofs in channels */
3402 if (star_match[0][0] == NULLCHAR ||
3403 strchr(star_match[0], ' ') ||
3404 (tkind == 3 && strchr(star_match[1], ' '))) {
3405 /* Reject bogus matches */
3408 if (appData.colorize) {
3409 if (oldi > next_out) {
3410 SendToPlayer(&buf[next_out], oldi - next_out);
3415 Colorize(ColorTell, FALSE);
3416 curColor = ColorTell;
3419 Colorize(ColorKibitz, FALSE);
3420 curColor = ColorKibitz;
3423 p = strrchr(star_match[1], '(');
3430 Colorize(ColorChannel1, FALSE);
3431 curColor = ColorChannel1;
3433 Colorize(ColorChannel, FALSE);
3434 curColor = ColorChannel;
3438 curColor = ColorNormal;
3442 if (started == STARTED_NONE && appData.autoComment &&
3443 (gameMode == IcsObserving ||
3444 gameMode == IcsPlayingWhite ||
3445 gameMode == IcsPlayingBlack)) {
3446 parse_pos = i - oldi;
3447 memcpy(parse, &buf[oldi], parse_pos);
3448 parse[parse_pos] = NULLCHAR;
3449 started = STARTED_COMMENT;
3450 savingComment = TRUE;
3451 } else if(collective != 3) {
3452 started = STARTED_CHATTER;
3453 savingComment = FALSE;
3460 if (looking_at(buf, &i, "* s-shouts: ") ||
3461 looking_at(buf, &i, "* c-shouts: ")) {
3462 if (appData.colorize) {
3463 if (oldi > next_out) {
3464 SendToPlayer(&buf[next_out], oldi - next_out);
3467 Colorize(ColorSShout, FALSE);
3468 curColor = ColorSShout;
3471 started = STARTED_CHATTER;
3475 if (looking_at(buf, &i, "--->")) {
3480 if (looking_at(buf, &i, "* shouts: ") ||
3481 looking_at(buf, &i, "--> ")) {
3482 if (appData.colorize) {
3483 if (oldi > next_out) {
3484 SendToPlayer(&buf[next_out], oldi - next_out);
3487 Colorize(ColorShout, FALSE);
3488 curColor = ColorShout;
3491 started = STARTED_CHATTER;
3495 if (looking_at( buf, &i, "Challenge:")) {
3496 if (appData.colorize) {
3497 if (oldi > next_out) {
3498 SendToPlayer(&buf[next_out], oldi - next_out);
3501 Colorize(ColorChallenge, FALSE);
3502 curColor = ColorChallenge;
3508 if (looking_at(buf, &i, "* offers you") ||
3509 looking_at(buf, &i, "* offers to be") ||
3510 looking_at(buf, &i, "* would like to") ||
3511 looking_at(buf, &i, "* requests to") ||
3512 looking_at(buf, &i, "Your opponent offers") ||
3513 looking_at(buf, &i, "Your opponent requests")) {
3515 if (appData.colorize) {
3516 if (oldi > next_out) {
3517 SendToPlayer(&buf[next_out], oldi - next_out);
3520 Colorize(ColorRequest, FALSE);
3521 curColor = ColorRequest;
3526 if (looking_at(buf, &i, "* (*) seeking")) {
3527 if (appData.colorize) {
3528 if (oldi > next_out) {
3529 SendToPlayer(&buf[next_out], oldi - next_out);
3532 Colorize(ColorSeek, FALSE);
3533 curColor = ColorSeek;
3538 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3540 if (looking_at(buf, &i, "\\ ")) {
3541 if (prevColor != ColorNormal) {
3542 if (oldi > next_out) {
3543 SendToPlayer(&buf[next_out], oldi - next_out);
3546 Colorize(prevColor, TRUE);
3547 curColor = prevColor;
3549 if (savingComment) {
3550 parse_pos = i - oldi;
3551 memcpy(parse, &buf[oldi], parse_pos);
3552 parse[parse_pos] = NULLCHAR;
3553 started = STARTED_COMMENT;
3554 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3555 chattingPartner = savingComment - 3; // kludge to remember the box
3557 started = STARTED_CHATTER;
3562 if (looking_at(buf, &i, "Black Strength :") ||
3563 looking_at(buf, &i, "<<< style 10 board >>>") ||
3564 looking_at(buf, &i, "<10>") ||
3565 looking_at(buf, &i, "#@#")) {
3566 /* Wrong board style */
3568 SendToICS(ics_prefix);
3569 SendToICS("set style 12\n");
3570 SendToICS(ics_prefix);
3571 SendToICS("refresh\n");
3575 if (looking_at(buf, &i, "login:")) {
3576 if (!have_sent_ICS_logon) {
3578 have_sent_ICS_logon = 1;
3579 else // no init script was found
3580 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3581 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3582 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3587 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3588 (looking_at(buf, &i, "\n<12> ") ||
3589 looking_at(buf, &i, "<12> "))) {
3591 if (oldi > next_out) {
3592 SendToPlayer(&buf[next_out], oldi - next_out);
3595 started = STARTED_BOARD;
3600 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3601 looking_at(buf, &i, "<b1> ")) {
3602 if (oldi > next_out) {
3603 SendToPlayer(&buf[next_out], oldi - next_out);
3606 started = STARTED_HOLDINGS;
3611 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3613 /* Header for a move list -- first line */
3615 switch (ics_getting_history) {
3619 case BeginningOfGame:
3620 /* User typed "moves" or "oldmoves" while we
3621 were idle. Pretend we asked for these
3622 moves and soak them up so user can step
3623 through them and/or save them.
3626 gameMode = IcsObserving;
3629 ics_getting_history = H_GOT_UNREQ_HEADER;
3631 case EditGame: /*?*/
3632 case EditPosition: /*?*/
3633 /* Should above feature work in these modes too? */
3634 /* For now it doesn't */
3635 ics_getting_history = H_GOT_UNWANTED_HEADER;
3638 ics_getting_history = H_GOT_UNWANTED_HEADER;
3643 /* Is this the right one? */
3644 if (gameInfo.white && gameInfo.black &&
3645 strcmp(gameInfo.white, star_match[0]) == 0 &&
3646 strcmp(gameInfo.black, star_match[2]) == 0) {
3648 ics_getting_history = H_GOT_REQ_HEADER;
3651 case H_GOT_REQ_HEADER:
3652 case H_GOT_UNREQ_HEADER:
3653 case H_GOT_UNWANTED_HEADER:
3654 case H_GETTING_MOVES:
3655 /* Should not happen */
3656 DisplayError(_("Error gathering move list: two headers"), 0);
3657 ics_getting_history = H_FALSE;
3661 /* Save player ratings into gameInfo if needed */
3662 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3663 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3664 (gameInfo.whiteRating == -1 ||
3665 gameInfo.blackRating == -1)) {
3667 gameInfo.whiteRating = string_to_rating(star_match[1]);
3668 gameInfo.blackRating = string_to_rating(star_match[3]);
3669 if (appData.debugMode)
3670 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3671 gameInfo.whiteRating, gameInfo.blackRating);
3676 if (looking_at(buf, &i,
3677 "* * match, initial time: * minute*, increment: * second")) {
3678 /* Header for a move list -- second line */
3679 /* Initial board will follow if this is a wild game */
3680 if (gameInfo.event != NULL) free(gameInfo.event);
3681 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3682 gameInfo.event = StrSave(str);
3683 /* [HGM] we switched variant. Translate boards if needed. */
3684 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3688 if (looking_at(buf, &i, "Move ")) {
3689 /* Beginning of a move list */
3690 switch (ics_getting_history) {
3692 /* Normally should not happen */
3693 /* Maybe user hit reset while we were parsing */
3696 /* Happens if we are ignoring a move list that is not
3697 * the one we just requested. Common if the user
3698 * tries to observe two games without turning off
3701 case H_GETTING_MOVES:
3702 /* Should not happen */
3703 DisplayError(_("Error gathering move list: nested"), 0);
3704 ics_getting_history = H_FALSE;
3706 case H_GOT_REQ_HEADER:
3707 ics_getting_history = H_GETTING_MOVES;
3708 started = STARTED_MOVES;
3710 if (oldi > next_out) {
3711 SendToPlayer(&buf[next_out], oldi - next_out);
3714 case H_GOT_UNREQ_HEADER:
3715 ics_getting_history = H_GETTING_MOVES;
3716 started = STARTED_MOVES_NOHIDE;
3719 case H_GOT_UNWANTED_HEADER:
3720 ics_getting_history = H_FALSE;
3726 if (looking_at(buf, &i, "% ") ||
3727 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3728 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3729 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3730 soughtPending = FALSE;
3734 if(suppressKibitz) next_out = i;
3735 savingComment = FALSE;
3739 case STARTED_MOVES_NOHIDE:
3740 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3741 parse[parse_pos + i - oldi] = NULLCHAR;
3742 ParseGameHistory(parse);
3744 if (appData.zippyPlay && first.initDone) {
3745 FeedMovesToProgram(&first, forwardMostMove);
3746 if (gameMode == IcsPlayingWhite) {
3747 if (WhiteOnMove(forwardMostMove)) {
3748 if (first.sendTime) {
3749 if (first.useColors) {
3750 SendToProgram("black\n", &first);
3752 SendTimeRemaining(&first, TRUE);
3754 if (first.useColors) {
3755 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3757 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3758 first.maybeThinking = TRUE;
3760 if (first.usePlayother) {
3761 if (first.sendTime) {
3762 SendTimeRemaining(&first, TRUE);
3764 SendToProgram("playother\n", &first);
3770 } else if (gameMode == IcsPlayingBlack) {
3771 if (!WhiteOnMove(forwardMostMove)) {
3772 if (first.sendTime) {
3773 if (first.useColors) {
3774 SendToProgram("white\n", &first);
3776 SendTimeRemaining(&first, FALSE);
3778 if (first.useColors) {
3779 SendToProgram("black\n", &first);
3781 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3782 first.maybeThinking = TRUE;
3784 if (first.usePlayother) {
3785 if (first.sendTime) {
3786 SendTimeRemaining(&first, FALSE);
3788 SendToProgram("playother\n", &first);
3797 if (gameMode == IcsObserving && ics_gamenum == -1) {
3798 /* Moves came from oldmoves or moves command
3799 while we weren't doing anything else.
3801 currentMove = forwardMostMove;
3802 ClearHighlights();/*!!could figure this out*/
3803 flipView = appData.flipView;
3804 DrawPosition(TRUE, boards[currentMove]);
3805 DisplayBothClocks();
3806 snprintf(str, MSG_SIZ, "%s %s %s",
3807 gameInfo.white, _("vs."), gameInfo.black);
3811 /* Moves were history of an active game */
3812 if (gameInfo.resultDetails != NULL) {
3813 free(gameInfo.resultDetails);
3814 gameInfo.resultDetails = NULL;
3817 HistorySet(parseList, backwardMostMove,
3818 forwardMostMove, currentMove-1);
3819 DisplayMove(currentMove - 1);
3820 if (started == STARTED_MOVES) next_out = i;
3821 started = STARTED_NONE;
3822 ics_getting_history = H_FALSE;
3825 case STARTED_OBSERVE:
3826 started = STARTED_NONE;
3827 SendToICS(ics_prefix);
3828 SendToICS("refresh\n");
3834 if(bookHit) { // [HGM] book: simulate book reply
3835 static char bookMove[MSG_SIZ]; // a bit generous?
3837 programStats.nodes = programStats.depth = programStats.time =
3838 programStats.score = programStats.got_only_move = 0;
3839 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3841 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3842 strcat(bookMove, bookHit);
3843 HandleMachineMove(bookMove, &first);
3848 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3849 started == STARTED_HOLDINGS ||
3850 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3851 /* Accumulate characters in move list or board */
3852 parse[parse_pos++] = buf[i];
3855 /* Start of game messages. Mostly we detect start of game
3856 when the first board image arrives. On some versions
3857 of the ICS, though, we need to do a "refresh" after starting
3858 to observe in order to get the current board right away. */
3859 if (looking_at(buf, &i, "Adding game * to observation list")) {
3860 started = STARTED_OBSERVE;
3864 /* Handle auto-observe */
3865 if (appData.autoObserve &&
3866 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3867 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3869 /* Choose the player that was highlighted, if any. */
3870 if (star_match[0][0] == '\033' ||
3871 star_match[1][0] != '\033') {
3872 player = star_match[0];
3874 player = star_match[2];
3876 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3877 ics_prefix, StripHighlightAndTitle(player));
3880 /* Save ratings from notify string */
3881 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3882 player1Rating = string_to_rating(star_match[1]);
3883 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3884 player2Rating = string_to_rating(star_match[3]);
3886 if (appData.debugMode)
3888 "Ratings from 'Game notification:' %s %d, %s %d\n",
3889 player1Name, player1Rating,
3890 player2Name, player2Rating);
3895 /* Deal with automatic examine mode after a game,
3896 and with IcsObserving -> IcsExamining transition */
3897 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3898 looking_at(buf, &i, "has made you an examiner of game *")) {
3900 int gamenum = atoi(star_match[0]);
3901 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3902 gamenum == ics_gamenum) {
3903 /* We were already playing or observing this game;
3904 no need to refetch history */
3905 gameMode = IcsExamining;
3907 pauseExamForwardMostMove = forwardMostMove;
3908 } else if (currentMove < forwardMostMove) {
3909 ForwardInner(forwardMostMove);
3912 /* I don't think this case really can happen */
3913 SendToICS(ics_prefix);
3914 SendToICS("refresh\n");
3919 /* Error messages */
3920 // if (ics_user_moved) {
3921 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3922 if (looking_at(buf, &i, "Illegal move") ||
3923 looking_at(buf, &i, "Not a legal move") ||
3924 looking_at(buf, &i, "Your king is in check") ||
3925 looking_at(buf, &i, "It isn't your turn") ||
3926 looking_at(buf, &i, "It is not your move")) {
3928 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3929 currentMove = forwardMostMove-1;
3930 DisplayMove(currentMove - 1); /* before DMError */
3931 DrawPosition(FALSE, boards[currentMove]);
3932 SwitchClocks(forwardMostMove-1); // [HGM] race
3933 DisplayBothClocks();
3935 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3941 if (looking_at(buf, &i, "still have time") ||
3942 looking_at(buf, &i, "not out of time") ||
3943 looking_at(buf, &i, "either player is out of time") ||
3944 looking_at(buf, &i, "has timeseal; checking")) {
3945 /* We must have called his flag a little too soon */
3946 whiteFlag = blackFlag = FALSE;
3950 if (looking_at(buf, &i, "added * seconds to") ||
3951 looking_at(buf, &i, "seconds were added to")) {
3952 /* Update the clocks */
3953 SendToICS(ics_prefix);
3954 SendToICS("refresh\n");
3958 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3959 ics_clock_paused = TRUE;
3964 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3965 ics_clock_paused = FALSE;
3970 /* Grab player ratings from the Creating: message.
3971 Note we have to check for the special case when
3972 the ICS inserts things like [white] or [black]. */
3973 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3974 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3976 0 player 1 name (not necessarily white)
3978 2 empty, white, or black (IGNORED)
3979 3 player 2 name (not necessarily black)
3982 The names/ratings are sorted out when the game
3983 actually starts (below).
3985 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3986 player1Rating = string_to_rating(star_match[1]);
3987 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3988 player2Rating = string_to_rating(star_match[4]);
3990 if (appData.debugMode)
3992 "Ratings from 'Creating:' %s %d, %s %d\n",
3993 player1Name, player1Rating,
3994 player2Name, player2Rating);
3999 /* Improved generic start/end-of-game messages */
4000 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4001 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4002 /* If tkind == 0: */
4003 /* star_match[0] is the game number */
4004 /* [1] is the white player's name */
4005 /* [2] is the black player's name */
4006 /* For end-of-game: */
4007 /* [3] is the reason for the game end */
4008 /* [4] is a PGN end game-token, preceded by " " */
4009 /* For start-of-game: */
4010 /* [3] begins with "Creating" or "Continuing" */
4011 /* [4] is " *" or empty (don't care). */
4012 int gamenum = atoi(star_match[0]);
4013 char *whitename, *blackname, *why, *endtoken;
4014 ChessMove endtype = EndOfFile;
4017 whitename = star_match[1];
4018 blackname = star_match[2];
4019 why = star_match[3];
4020 endtoken = star_match[4];
4022 whitename = star_match[1];
4023 blackname = star_match[3];
4024 why = star_match[5];
4025 endtoken = star_match[6];
4028 /* Game start messages */
4029 if (strncmp(why, "Creating ", 9) == 0 ||
4030 strncmp(why, "Continuing ", 11) == 0) {
4031 gs_gamenum = gamenum;
4032 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4033 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4034 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4036 if (appData.zippyPlay) {
4037 ZippyGameStart(whitename, blackname);
4040 partnerBoardValid = FALSE; // [HGM] bughouse
4044 /* Game end messages */
4045 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4046 ics_gamenum != gamenum) {
4049 while (endtoken[0] == ' ') endtoken++;
4050 switch (endtoken[0]) {
4053 endtype = GameUnfinished;
4056 endtype = BlackWins;
4059 if (endtoken[1] == '/')
4060 endtype = GameIsDrawn;
4062 endtype = WhiteWins;
4065 GameEnds(endtype, why, GE_ICS);
4067 if (appData.zippyPlay && first.initDone) {
4068 ZippyGameEnd(endtype, why);
4069 if (first.pr == NoProc) {
4070 /* Start the next process early so that we'll
4071 be ready for the next challenge */
4072 StartChessProgram(&first);
4074 /* Send "new" early, in case this command takes
4075 a long time to finish, so that we'll be ready
4076 for the next challenge. */
4077 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4081 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4085 if (looking_at(buf, &i, "Removing game * from observation") ||
4086 looking_at(buf, &i, "no longer observing game *") ||
4087 looking_at(buf, &i, "Game * (*) has no examiners")) {
4088 if (gameMode == IcsObserving &&
4089 atoi(star_match[0]) == ics_gamenum)
4091 /* icsEngineAnalyze */
4092 if (appData.icsEngineAnalyze) {
4099 ics_user_moved = FALSE;
4104 if (looking_at(buf, &i, "no longer examining game *")) {
4105 if (gameMode == IcsExamining &&
4106 atoi(star_match[0]) == ics_gamenum)
4110 ics_user_moved = FALSE;
4115 /* Advance leftover_start past any newlines we find,
4116 so only partial lines can get reparsed */
4117 if (looking_at(buf, &i, "\n")) {
4118 prevColor = curColor;
4119 if (curColor != ColorNormal) {
4120 if (oldi > next_out) {
4121 SendToPlayer(&buf[next_out], oldi - next_out);
4124 Colorize(ColorNormal, FALSE);
4125 curColor = ColorNormal;
4127 if (started == STARTED_BOARD) {
4128 started = STARTED_NONE;
4129 parse[parse_pos] = NULLCHAR;
4130 ParseBoard12(parse);
4133 /* Send premove here */
4134 if (appData.premove) {
4136 if (currentMove == 0 &&
4137 gameMode == IcsPlayingWhite &&
4138 appData.premoveWhite) {
4139 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4140 if (appData.debugMode)
4141 fprintf(debugFP, "Sending premove:\n");
4143 } else if (currentMove == 1 &&
4144 gameMode == IcsPlayingBlack &&
4145 appData.premoveBlack) {
4146 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4147 if (appData.debugMode)
4148 fprintf(debugFP, "Sending premove:\n");
4150 } else if (gotPremove) {
4152 ClearPremoveHighlights();
4153 if (appData.debugMode)
4154 fprintf(debugFP, "Sending premove:\n");
4155 UserMoveEvent(premoveFromX, premoveFromY,
4156 premoveToX, premoveToY,
4161 /* Usually suppress following prompt */
4162 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4163 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4164 if (looking_at(buf, &i, "*% ")) {
4165 savingComment = FALSE;
4170 } else if (started == STARTED_HOLDINGS) {
4172 char new_piece[MSG_SIZ];
4173 started = STARTED_NONE;
4174 parse[parse_pos] = NULLCHAR;
4175 if (appData.debugMode)
4176 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4177 parse, currentMove);
4178 if (sscanf(parse, " game %d", &gamenum) == 1) {
4179 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4180 if (gameInfo.variant == VariantNormal) {
4181 /* [HGM] We seem to switch variant during a game!
4182 * Presumably no holdings were displayed, so we have
4183 * to move the position two files to the right to
4184 * create room for them!
4186 VariantClass newVariant;
4187 switch(gameInfo.boardWidth) { // base guess on board width
4188 case 9: newVariant = VariantShogi; break;
4189 case 10: newVariant = VariantGreat; break;
4190 default: newVariant = VariantCrazyhouse; break;
4192 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4193 /* Get a move list just to see the header, which
4194 will tell us whether this is really bug or zh */
4195 if (ics_getting_history == H_FALSE) {
4196 ics_getting_history = H_REQUESTED;
4197 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4201 new_piece[0] = NULLCHAR;
4202 sscanf(parse, "game %d white [%s black [%s <- %s",
4203 &gamenum, white_holding, black_holding,
4205 white_holding[strlen(white_holding)-1] = NULLCHAR;
4206 black_holding[strlen(black_holding)-1] = NULLCHAR;
4207 /* [HGM] copy holdings to board holdings area */
4208 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4209 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4210 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4212 if (appData.zippyPlay && first.initDone) {
4213 ZippyHoldings(white_holding, black_holding,
4217 if (tinyLayout || smallLayout) {
4218 char wh[16], bh[16];
4219 PackHolding(wh, white_holding);
4220 PackHolding(bh, black_holding);
4221 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4222 gameInfo.white, gameInfo.black);
4224 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4225 gameInfo.white, white_holding, _("vs."),
4226 gameInfo.black, black_holding);
4228 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4229 DrawPosition(FALSE, boards[currentMove]);
4231 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4232 sscanf(parse, "game %d white [%s black [%s <- %s",
4233 &gamenum, white_holding, black_holding,
4235 white_holding[strlen(white_holding)-1] = NULLCHAR;
4236 black_holding[strlen(black_holding)-1] = NULLCHAR;
4237 /* [HGM] copy holdings to partner-board holdings area */
4238 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4239 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4240 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4241 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4242 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4245 /* Suppress following prompt */
4246 if (looking_at(buf, &i, "*% ")) {
4247 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4248 savingComment = FALSE;
4256 i++; /* skip unparsed character and loop back */
4259 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4260 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4261 // SendToPlayer(&buf[next_out], i - next_out);
4262 started != STARTED_HOLDINGS && leftover_start > next_out) {
4263 SendToPlayer(&buf[next_out], leftover_start - next_out);
4267 leftover_len = buf_len - leftover_start;
4268 /* if buffer ends with something we couldn't parse,
4269 reparse it after appending the next read */
4271 } else if (count == 0) {
4272 RemoveInputSource(isr);
4273 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4275 DisplayFatalError(_("Error reading from ICS"), error, 1);
4280 /* Board style 12 looks like this:
4282 <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
4284 * The "<12> " is stripped before it gets to this routine. The two
4285 * trailing 0's (flip state and clock ticking) are later addition, and
4286 * some chess servers may not have them, or may have only the first.
4287 * Additional trailing fields may be added in the future.
4290 #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"
4292 #define RELATION_OBSERVING_PLAYED 0
4293 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4294 #define RELATION_PLAYING_MYMOVE 1
4295 #define RELATION_PLAYING_NOTMYMOVE -1
4296 #define RELATION_EXAMINING 2
4297 #define RELATION_ISOLATED_BOARD -3
4298 #define RELATION_STARTING_POSITION -4 /* FICS only */
4301 ParseBoard12 (char *string)
4305 char *bookHit = NULL; // [HGM] book
4307 GameMode newGameMode;
4308 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4309 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4310 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4311 char to_play, board_chars[200];
4312 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4313 char black[32], white[32];
4315 int prevMove = currentMove;
4318 int fromX, fromY, toX, toY;
4320 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4321 Boolean weird = FALSE, reqFlag = FALSE;
4323 fromX = fromY = toX = toY = -1;
4327 if (appData.debugMode)
4328 fprintf(debugFP, "Parsing board: %s\n", string);
4330 move_str[0] = NULLCHAR;
4331 elapsed_time[0] = NULLCHAR;
4332 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4334 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4335 if(string[i] == ' ') { ranks++; files = 0; }
4337 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4340 for(j = 0; j <i; j++) board_chars[j] = string[j];
4341 board_chars[i] = '\0';
4344 n = sscanf(string, PATTERN, &to_play, &double_push,
4345 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4346 &gamenum, white, black, &relation, &basetime, &increment,
4347 &white_stren, &black_stren, &white_time, &black_time,
4348 &moveNum, str, elapsed_time, move_str, &ics_flip,
4352 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4353 DisplayError(str, 0);
4357 /* Convert the move number to internal form */
4358 moveNum = (moveNum - 1) * 2;
4359 if (to_play == 'B') moveNum++;
4360 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4361 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4367 case RELATION_OBSERVING_PLAYED:
4368 case RELATION_OBSERVING_STATIC:
4369 if (gamenum == -1) {
4370 /* Old ICC buglet */
4371 relation = RELATION_OBSERVING_STATIC;
4373 newGameMode = IcsObserving;
4375 case RELATION_PLAYING_MYMOVE:
4376 case RELATION_PLAYING_NOTMYMOVE:
4378 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4379 IcsPlayingWhite : IcsPlayingBlack;
4380 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4382 case RELATION_EXAMINING:
4383 newGameMode = IcsExamining;
4385 case RELATION_ISOLATED_BOARD:
4387 /* Just display this board. If user was doing something else,
4388 we will forget about it until the next board comes. */
4389 newGameMode = IcsIdle;
4391 case RELATION_STARTING_POSITION:
4392 newGameMode = gameMode;
4396 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4397 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4398 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4399 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4400 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4401 static int lastBgGame = -1;
4403 for (k = 0; k < ranks; k++) {
4404 for (j = 0; j < files; j++)
4405 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4406 if(gameInfo.holdingsWidth > 1) {
4407 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4408 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4411 CopyBoard(partnerBoard, board);
4412 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4413 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4414 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4415 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4416 if(toSqr = strchr(str, '-')) {
4417 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4418 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4419 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4420 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4421 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4422 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4424 DisplayWhiteClock(white_time*fac, to_play == 'W');
4425 DisplayBlackClock(black_time*fac, to_play != 'W');
4426 activePartner = to_play;
4427 if(gamenum != lastBgGame) {
4429 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4432 lastBgGame = gamenum;
4433 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4434 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4435 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4436 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4437 if(!twoBoards) DisplayMessage(partnerStatus, "");
4438 partnerBoardValid = TRUE;
4442 if(appData.dualBoard && appData.bgObserve) {
4443 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4444 SendToICS(ics_prefix), SendToICS("pobserve\n");
4445 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4447 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4452 /* Modify behavior for initial board display on move listing
4455 switch (ics_getting_history) {
4459 case H_GOT_REQ_HEADER:
4460 case H_GOT_UNREQ_HEADER:
4461 /* This is the initial position of the current game */
4462 gamenum = ics_gamenum;
4463 moveNum = 0; /* old ICS bug workaround */
4464 if (to_play == 'B') {
4465 startedFromSetupPosition = TRUE;
4466 blackPlaysFirst = TRUE;
4468 if (forwardMostMove == 0) forwardMostMove = 1;
4469 if (backwardMostMove == 0) backwardMostMove = 1;
4470 if (currentMove == 0) currentMove = 1;
4472 newGameMode = gameMode;
4473 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4475 case H_GOT_UNWANTED_HEADER:
4476 /* This is an initial board that we don't want */
4478 case H_GETTING_MOVES:
4479 /* Should not happen */
4480 DisplayError(_("Error gathering move list: extra board"), 0);
4481 ics_getting_history = H_FALSE;
4485 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4486 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4487 weird && (int)gameInfo.variant < (int)VariantShogi) {
4488 /* [HGM] We seem to have switched variant unexpectedly
4489 * Try to guess new variant from board size
4491 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4492 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4493 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4494 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4495 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4496 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4497 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4498 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4499 /* Get a move list just to see the header, which
4500 will tell us whether this is really bug or zh */
4501 if (ics_getting_history == H_FALSE) {
4502 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4503 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4508 /* Take action if this is the first board of a new game, or of a
4509 different game than is currently being displayed. */
4510 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4511 relation == RELATION_ISOLATED_BOARD) {
4513 /* Forget the old game and get the history (if any) of the new one */
4514 if (gameMode != BeginningOfGame) {
4518 if (appData.autoRaiseBoard) BoardToTop();
4520 if (gamenum == -1) {
4521 newGameMode = IcsIdle;
4522 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4523 appData.getMoveList && !reqFlag) {
4524 /* Need to get game history */
4525 ics_getting_history = H_REQUESTED;
4526 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4530 /* Initially flip the board to have black on the bottom if playing
4531 black or if the ICS flip flag is set, but let the user change
4532 it with the Flip View button. */
4533 flipView = appData.autoFlipView ?
4534 (newGameMode == IcsPlayingBlack) || ics_flip :
4537 /* Done with values from previous mode; copy in new ones */
4538 gameMode = newGameMode;
4540 ics_gamenum = gamenum;
4541 if (gamenum == gs_gamenum) {
4542 int klen = strlen(gs_kind);
4543 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4544 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4545 gameInfo.event = StrSave(str);
4547 gameInfo.event = StrSave("ICS game");
4549 gameInfo.site = StrSave(appData.icsHost);
4550 gameInfo.date = PGNDate();
4551 gameInfo.round = StrSave("-");
4552 gameInfo.white = StrSave(white);
4553 gameInfo.black = StrSave(black);
4554 timeControl = basetime * 60 * 1000;
4556 timeIncrement = increment * 1000;
4557 movesPerSession = 0;
4558 gameInfo.timeControl = TimeControlTagValue();
4559 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4560 if (appData.debugMode) {
4561 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4562 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4563 setbuf(debugFP, NULL);
4566 gameInfo.outOfBook = NULL;
4568 /* Do we have the ratings? */
4569 if (strcmp(player1Name, white) == 0 &&
4570 strcmp(player2Name, black) == 0) {
4571 if (appData.debugMode)
4572 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4573 player1Rating, player2Rating);
4574 gameInfo.whiteRating = player1Rating;
4575 gameInfo.blackRating = player2Rating;
4576 } else if (strcmp(player2Name, white) == 0 &&
4577 strcmp(player1Name, black) == 0) {
4578 if (appData.debugMode)
4579 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4580 player2Rating, player1Rating);
4581 gameInfo.whiteRating = player2Rating;
4582 gameInfo.blackRating = player1Rating;
4584 player1Name[0] = player2Name[0] = NULLCHAR;
4586 /* Silence shouts if requested */
4587 if (appData.quietPlay &&
4588 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4589 SendToICS(ics_prefix);
4590 SendToICS("set shout 0\n");
4594 /* Deal with midgame name changes */
4596 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4597 if (gameInfo.white) free(gameInfo.white);
4598 gameInfo.white = StrSave(white);
4600 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4601 if (gameInfo.black) free(gameInfo.black);
4602 gameInfo.black = StrSave(black);
4606 /* Throw away game result if anything actually changes in examine mode */
4607 if (gameMode == IcsExamining && !newGame) {
4608 gameInfo.result = GameUnfinished;
4609 if (gameInfo.resultDetails != NULL) {
4610 free(gameInfo.resultDetails);
4611 gameInfo.resultDetails = NULL;
4615 /* In pausing && IcsExamining mode, we ignore boards coming
4616 in if they are in a different variation than we are. */
4617 if (pauseExamInvalid) return;
4618 if (pausing && gameMode == IcsExamining) {
4619 if (moveNum <= pauseExamForwardMostMove) {
4620 pauseExamInvalid = TRUE;
4621 forwardMostMove = pauseExamForwardMostMove;
4626 if (appData.debugMode) {
4627 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4629 /* Parse the board */
4630 for (k = 0; k < ranks; k++) {
4631 for (j = 0; j < files; j++)
4632 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4633 if(gameInfo.holdingsWidth > 1) {
4634 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4635 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4638 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4639 board[5][BOARD_RGHT+1] = WhiteAngel;
4640 board[6][BOARD_RGHT+1] = WhiteMarshall;
4641 board[1][0] = BlackMarshall;
4642 board[2][0] = BlackAngel;
4643 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4645 CopyBoard(boards[moveNum], board);
4646 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4648 startedFromSetupPosition =
4649 !CompareBoards(board, initialPosition);
4650 if(startedFromSetupPosition)
4651 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4654 /* [HGM] Set castling rights. Take the outermost Rooks,
4655 to make it also work for FRC opening positions. Note that board12
4656 is really defective for later FRC positions, as it has no way to
4657 indicate which Rook can castle if they are on the same side of King.
4658 For the initial position we grant rights to the outermost Rooks,
4659 and remember thos rights, and we then copy them on positions
4660 later in an FRC game. This means WB might not recognize castlings with
4661 Rooks that have moved back to their original position as illegal,
4662 but in ICS mode that is not its job anyway.
4664 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4665 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4667 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4668 if(board[0][i] == WhiteRook) j = i;
4669 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4670 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4671 if(board[0][i] == WhiteRook) j = i;
4672 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4673 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4674 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4675 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4676 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4677 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4678 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4680 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4681 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4682 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4683 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4684 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4685 if(board[BOARD_HEIGHT-1][k] == bKing)
4686 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4687 if(gameInfo.variant == VariantTwoKings) {
4688 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4689 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4690 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4693 r = boards[moveNum][CASTLING][0] = initialRights[0];
4694 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4695 r = boards[moveNum][CASTLING][1] = initialRights[1];
4696 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4697 r = boards[moveNum][CASTLING][3] = initialRights[3];
4698 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4699 r = boards[moveNum][CASTLING][4] = initialRights[4];
4700 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4701 /* wildcastle kludge: always assume King has rights */
4702 r = boards[moveNum][CASTLING][2] = initialRights[2];
4703 r = boards[moveNum][CASTLING][5] = initialRights[5];
4705 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4706 boards[moveNum][EP_STATUS] = EP_NONE;
4707 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4708 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4709 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4712 if (ics_getting_history == H_GOT_REQ_HEADER ||
4713 ics_getting_history == H_GOT_UNREQ_HEADER) {
4714 /* This was an initial position from a move list, not
4715 the current position */
4719 /* Update currentMove and known move number limits */
4720 newMove = newGame || moveNum > forwardMostMove;
4723 forwardMostMove = backwardMostMove = currentMove = moveNum;
4724 if (gameMode == IcsExamining && moveNum == 0) {
4725 /* Workaround for ICS limitation: we are not told the wild
4726 type when starting to examine a game. But if we ask for
4727 the move list, the move list header will tell us */
4728 ics_getting_history = H_REQUESTED;
4729 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4732 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4733 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4735 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4736 /* [HGM] applied this also to an engine that is silently watching */
4737 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4738 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4739 gameInfo.variant == currentlyInitializedVariant) {
4740 takeback = forwardMostMove - moveNum;
4741 for (i = 0; i < takeback; i++) {
4742 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4743 SendToProgram("undo\n", &first);
4748 forwardMostMove = moveNum;
4749 if (!pausing || currentMove > forwardMostMove)
4750 currentMove = forwardMostMove;
4752 /* New part of history that is not contiguous with old part */
4753 if (pausing && gameMode == IcsExamining) {
4754 pauseExamInvalid = TRUE;
4755 forwardMostMove = pauseExamForwardMostMove;
4758 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4760 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4761 // [HGM] when we will receive the move list we now request, it will be
4762 // fed to the engine from the first move on. So if the engine is not
4763 // in the initial position now, bring it there.
4764 InitChessProgram(&first, 0);
4767 ics_getting_history = H_REQUESTED;
4768 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4771 forwardMostMove = backwardMostMove = currentMove = moveNum;
4774 /* Update the clocks */
4775 if (strchr(elapsed_time, '.')) {
4777 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4778 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4780 /* Time is in seconds */
4781 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4782 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4787 if (appData.zippyPlay && newGame &&
4788 gameMode != IcsObserving && gameMode != IcsIdle &&
4789 gameMode != IcsExamining)
4790 ZippyFirstBoard(moveNum, basetime, increment);
4793 /* Put the move on the move list, first converting
4794 to canonical algebraic form. */
4796 if (appData.debugMode) {
4797 int f = forwardMostMove;
4798 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4799 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4800 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4801 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4802 fprintf(debugFP, "moveNum = %d\n", moveNum);
4803 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4804 setbuf(debugFP, NULL);
4806 if (moveNum <= backwardMostMove) {
4807 /* We don't know what the board looked like before
4809 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4810 strcat(parseList[moveNum - 1], " ");
4811 strcat(parseList[moveNum - 1], elapsed_time);
4812 moveList[moveNum - 1][0] = NULLCHAR;
4813 } else if (strcmp(move_str, "none") == 0) {
4814 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4815 /* Again, we don't know what the board looked like;
4816 this is really the start of the game. */
4817 parseList[moveNum - 1][0] = NULLCHAR;
4818 moveList[moveNum - 1][0] = NULLCHAR;
4819 backwardMostMove = moveNum;
4820 startedFromSetupPosition = TRUE;
4821 fromX = fromY = toX = toY = -1;
4823 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4824 // So we parse the long-algebraic move string in stead of the SAN move
4825 int valid; char buf[MSG_SIZ], *prom;
4827 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4828 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4829 // str looks something like "Q/a1-a2"; kill the slash
4831 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4832 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4833 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4834 strcat(buf, prom); // long move lacks promo specification!
4835 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4836 if(appData.debugMode)
4837 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4838 safeStrCpy(move_str, buf, MSG_SIZ);
4840 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4841 &fromX, &fromY, &toX, &toY, &promoChar)
4842 || ParseOneMove(buf, moveNum - 1, &moveType,
4843 &fromX, &fromY, &toX, &toY, &promoChar);
4844 // end of long SAN patch
4846 (void) CoordsToAlgebraic(boards[moveNum - 1],
4847 PosFlags(moveNum - 1),
4848 fromY, fromX, toY, toX, promoChar,
4849 parseList[moveNum-1]);
4850 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4856 if(!IS_SHOGI(gameInfo.variant))
4857 strcat(parseList[moveNum - 1], "+");
4860 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4861 strcat(parseList[moveNum - 1], "#");
4864 strcat(parseList[moveNum - 1], " ");
4865 strcat(parseList[moveNum - 1], elapsed_time);
4866 /* currentMoveString is set as a side-effect of ParseOneMove */
4867 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4868 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4869 strcat(moveList[moveNum - 1], "\n");
4871 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4872 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4873 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4874 ChessSquare old, new = boards[moveNum][k][j];
4875 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4876 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4877 if(old == new) continue;
4878 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4879 else if(new == WhiteWazir || new == BlackWazir) {
4880 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4881 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4882 else boards[moveNum][k][j] = old; // preserve type of Gold
4883 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4884 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4887 /* Move from ICS was illegal!? Punt. */
4888 if (appData.debugMode) {
4889 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4890 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4892 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4893 strcat(parseList[moveNum - 1], " ");
4894 strcat(parseList[moveNum - 1], elapsed_time);
4895 moveList[moveNum - 1][0] = NULLCHAR;
4896 fromX = fromY = toX = toY = -1;
4899 if (appData.debugMode) {
4900 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4901 setbuf(debugFP, NULL);
4905 /* Send move to chess program (BEFORE animating it). */
4906 if (appData.zippyPlay && !newGame && newMove &&
4907 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4909 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4910 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4911 if (moveList[moveNum - 1][0] == NULLCHAR) {
4912 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4914 DisplayError(str, 0);
4916 if (first.sendTime) {
4917 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4919 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4920 if (firstMove && !bookHit) {
4922 if (first.useColors) {
4923 SendToProgram(gameMode == IcsPlayingWhite ?
4925 "black\ngo\n", &first);
4927 SendToProgram("go\n", &first);
4929 first.maybeThinking = TRUE;
4932 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4933 if (moveList[moveNum - 1][0] == NULLCHAR) {
4934 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4935 DisplayError(str, 0);
4937 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4938 SendMoveToProgram(moveNum - 1, &first);
4945 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4946 /* If move comes from a remote source, animate it. If it
4947 isn't remote, it will have already been animated. */
4948 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4949 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4951 if (!pausing && appData.highlightLastMove) {
4952 SetHighlights(fromX, fromY, toX, toY);
4956 /* Start the clocks */
4957 whiteFlag = blackFlag = FALSE;
4958 appData.clockMode = !(basetime == 0 && increment == 0);
4960 ics_clock_paused = TRUE;
4962 } else if (ticking == 1) {
4963 ics_clock_paused = FALSE;
4965 if (gameMode == IcsIdle ||
4966 relation == RELATION_OBSERVING_STATIC ||
4967 relation == RELATION_EXAMINING ||
4969 DisplayBothClocks();
4973 /* Display opponents and material strengths */
4974 if (gameInfo.variant != VariantBughouse &&
4975 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4976 if (tinyLayout || smallLayout) {
4977 if(gameInfo.variant == VariantNormal)
4978 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4979 gameInfo.white, white_stren, gameInfo.black, black_stren,
4980 basetime, increment);
4982 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4983 gameInfo.white, white_stren, gameInfo.black, black_stren,
4984 basetime, increment, (int) gameInfo.variant);
4986 if(gameInfo.variant == VariantNormal)
4987 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4988 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4989 basetime, increment);
4991 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4992 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4993 basetime, increment, VariantName(gameInfo.variant));
4996 if (appData.debugMode) {
4997 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5002 /* Display the board */
5003 if (!pausing && !appData.noGUI) {
5005 if (appData.premove)
5007 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5008 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5009 ClearPremoveHighlights();
5011 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5012 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5013 DrawPosition(j, boards[currentMove]);
5015 DisplayMove(moveNum - 1);
5016 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5017 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5018 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5019 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5023 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5025 if(bookHit) { // [HGM] book: simulate book reply
5026 static char bookMove[MSG_SIZ]; // a bit generous?
5028 programStats.nodes = programStats.depth = programStats.time =
5029 programStats.score = programStats.got_only_move = 0;
5030 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5032 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5033 strcat(bookMove, bookHit);
5034 HandleMachineMove(bookMove, &first);
5043 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5044 ics_getting_history = H_REQUESTED;
5045 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5051 SendToBoth (char *msg)
5052 { // to make it easy to keep two engines in step in dual analysis
5053 SendToProgram(msg, &first);
5054 if(second.analyzing) SendToProgram(msg, &second);
5058 AnalysisPeriodicEvent (int force)
5060 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5061 && !force) || !appData.periodicUpdates)
5064 /* Send . command to Crafty to collect stats */
5067 /* Don't send another until we get a response (this makes
5068 us stop sending to old Crafty's which don't understand
5069 the "." command (sending illegal cmds resets node count & time,
5070 which looks bad)) */
5071 programStats.ok_to_send = 0;
5075 ics_update_width (int new_width)
5077 ics_printf("set width %d\n", new_width);
5081 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5085 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5086 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5087 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5088 SendToProgram(buf, cps);
5091 // null move in variant where engine does not understand it (for analysis purposes)
5092 SendBoard(cps, moveNum + 1); // send position after move in stead.
5095 if (cps->useUsermove) {
5096 SendToProgram("usermove ", cps);
5100 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5101 int len = space - parseList[moveNum];
5102 memcpy(buf, parseList[moveNum], len);
5104 buf[len] = NULLCHAR;
5106 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5108 SendToProgram(buf, cps);
5110 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5111 AlphaRank(moveList[moveNum], 4);
5112 SendToProgram(moveList[moveNum], cps);
5113 AlphaRank(moveList[moveNum], 4); // and back
5115 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5116 * the engine. It would be nice to have a better way to identify castle
5118 if(appData.fischerCastling && cps->useOOCastle) {
5119 int fromX = moveList[moveNum][0] - AAA;
5120 int fromY = moveList[moveNum][1] - ONE;
5121 int toX = moveList[moveNum][2] - AAA;
5122 int toY = moveList[moveNum][3] - ONE;
5123 if((boards[moveNum][fromY][fromX] == WhiteKing
5124 && boards[moveNum][toY][toX] == WhiteRook)
5125 || (boards[moveNum][fromY][fromX] == BlackKing
5126 && boards[moveNum][toY][toX] == BlackRook)) {
5127 if(toX > fromX) SendToProgram("O-O\n", cps);
5128 else SendToProgram("O-O-O\n", cps);
5130 else SendToProgram(moveList[moveNum], cps);
5132 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5133 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
5134 moveList[moveNum][5], moveList[moveNum][6] - '0',
5135 moveList[moveNum][5], moveList[moveNum][6] - '0',
5136 moveList[moveNum][2], moveList[moveNum][3] - '0');
5137 SendToProgram(buf, cps);
5139 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5140 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5141 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5142 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5143 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5145 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5146 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5147 SendToProgram(buf, cps);
5149 else SendToProgram(moveList[moveNum], cps);
5150 /* End of additions by Tord */
5153 /* [HGM] setting up the opening has brought engine in force mode! */
5154 /* Send 'go' if we are in a mode where machine should play. */
5155 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5156 (gameMode == TwoMachinesPlay ||
5158 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5160 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5161 SendToProgram("go\n", cps);
5162 if (appData.debugMode) {
5163 fprintf(debugFP, "(extra)\n");
5166 setboardSpoiledMachineBlack = 0;
5170 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5172 char user_move[MSG_SIZ];
5175 if(gameInfo.variant == VariantSChess && promoChar) {
5176 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5177 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5178 } else suffix[0] = NULLCHAR;
5182 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5183 (int)moveType, fromX, fromY, toX, toY);
5184 DisplayError(user_move + strlen("say "), 0);
5186 case WhiteKingSideCastle:
5187 case BlackKingSideCastle:
5188 case WhiteQueenSideCastleWild:
5189 case BlackQueenSideCastleWild:
5191 case WhiteHSideCastleFR:
5192 case BlackHSideCastleFR:
5194 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5196 case WhiteQueenSideCastle:
5197 case BlackQueenSideCastle:
5198 case WhiteKingSideCastleWild:
5199 case BlackKingSideCastleWild:
5201 case WhiteASideCastleFR:
5202 case BlackASideCastleFR:
5204 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5206 case WhiteNonPromotion:
5207 case BlackNonPromotion:
5208 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5210 case WhitePromotion:
5211 case BlackPromotion:
5212 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5213 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5214 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5215 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5216 PieceToChar(WhiteFerz));
5217 else if(gameInfo.variant == VariantGreat)
5218 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5219 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5220 PieceToChar(WhiteMan));
5222 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5223 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5229 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5230 ToUpper(PieceToChar((ChessSquare) fromX)),
5231 AAA + toX, ONE + toY);
5233 case IllegalMove: /* could be a variant we don't quite understand */
5234 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5236 case WhiteCapturesEnPassant:
5237 case BlackCapturesEnPassant:
5238 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5239 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5242 SendToICS(user_move);
5243 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5244 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5249 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5250 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5251 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5252 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5253 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5256 if(gameMode != IcsExamining) { // is this ever not the case?
5257 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5259 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5260 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5261 } else { // on FICS we must first go to general examine mode
5262 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5264 if(gameInfo.variant != VariantNormal) {
5265 // try figure out wild number, as xboard names are not always valid on ICS
5266 for(i=1; i<=36; i++) {
5267 snprintf(buf, MSG_SIZ, "wild/%d", i);
5268 if(StringToVariant(buf) == gameInfo.variant) break;
5270 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5271 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5272 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5273 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5274 SendToICS(ics_prefix);
5276 if(startedFromSetupPosition || backwardMostMove != 0) {
5277 fen = PositionToFEN(backwardMostMove, NULL, 1);
5278 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5279 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5281 } else { // FICS: everything has to set by separate bsetup commands
5282 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5283 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5285 if(!WhiteOnMove(backwardMostMove)) {
5286 SendToICS("bsetup tomove black\n");
5288 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5289 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5291 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5292 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5294 i = boards[backwardMostMove][EP_STATUS];
5295 if(i >= 0) { // set e.p.
5296 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5302 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5303 SendToICS("bsetup done\n"); // switch to normal examining.
5305 for(i = backwardMostMove; i<last; i++) {
5307 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5308 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5309 int len = strlen(moveList[i]);
5310 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5311 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5315 SendToICS(ics_prefix);
5316 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5319 int killX = -1, killY = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5322 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5324 if (rf == DROP_RANK) {
5325 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5326 sprintf(move, "%c@%c%c\n",
5327 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5329 if (promoChar == 'x' || promoChar == NULLCHAR) {
5330 sprintf(move, "%c%c%c%c\n",
5331 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5332 if(killX >= 0 && killY >= 0) sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5334 sprintf(move, "%c%c%c%c%c\n",
5335 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5341 ProcessICSInitScript (FILE *f)
5345 while (fgets(buf, MSG_SIZ, f)) {
5346 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5353 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5355 static ClickType lastClickType;
5358 Partner (ChessSquare *p)
5359 { // change piece into promotion partner if one shogi-promotes to the other
5360 int stride = gameInfo.variant == VariantChu ? 22 : 11;
5361 ChessSquare partner;
5362 partner = (*p/stride & 1 ? *p - stride : *p + stride);
5363 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5371 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5372 static int toggleFlag;
5373 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5374 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5375 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5376 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5377 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5378 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5380 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5381 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5382 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5383 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5384 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5385 if(!step) step = -1;
5386 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5387 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5388 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5389 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5391 int victim = boards[currentMove][toY][toX];
5392 boards[currentMove][toY][toX] = promoSweep;
5393 DrawPosition(FALSE, boards[currentMove]);
5394 boards[currentMove][toY][toX] = victim;
5396 ChangeDragPiece(promoSweep);
5400 PromoScroll (int x, int y)
5404 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5405 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5406 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5407 if(!step) return FALSE;
5408 lastX = x; lastY = y;
5409 if((promoSweep < BlackPawn) == flipView) step = -step;
5410 if(step > 0) selectFlag = 1;
5411 if(!selectFlag) Sweep(step);
5416 NextPiece (int step)
5418 ChessSquare piece = boards[currentMove][toY][toX];
5421 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5422 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5423 if(!step) step = -1;
5424 } while(PieceToChar(pieceSweep) == '.');
5425 boards[currentMove][toY][toX] = pieceSweep;
5426 DrawPosition(FALSE, boards[currentMove]);
5427 boards[currentMove][toY][toX] = piece;
5429 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5431 AlphaRank (char *move, int n)
5433 // char *p = move, c; int x, y;
5435 if (appData.debugMode) {
5436 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5440 move[2]>='0' && move[2]<='9' &&
5441 move[3]>='a' && move[3]<='x' ) {
5443 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5444 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5446 if(move[0]>='0' && move[0]<='9' &&
5447 move[1]>='a' && move[1]<='x' &&
5448 move[2]>='0' && move[2]<='9' &&
5449 move[3]>='a' && move[3]<='x' ) {
5450 /* input move, Shogi -> normal */
5451 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5452 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5453 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5454 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5457 move[3]>='0' && move[3]<='9' &&
5458 move[2]>='a' && move[2]<='x' ) {
5460 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5461 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5464 move[0]>='a' && move[0]<='x' &&
5465 move[3]>='0' && move[3]<='9' &&
5466 move[2]>='a' && move[2]<='x' ) {
5467 /* output move, normal -> Shogi */
5468 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5469 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5470 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5471 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5472 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5474 if (appData.debugMode) {
5475 fprintf(debugFP, " out = '%s'\n", move);
5479 char yy_textstr[8000];
5481 /* Parser for moves from gnuchess, ICS, or user typein box */
5483 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5485 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5487 switch (*moveType) {
5488 case WhitePromotion:
5489 case BlackPromotion:
5490 case WhiteNonPromotion:
5491 case BlackNonPromotion:
5494 case WhiteCapturesEnPassant:
5495 case BlackCapturesEnPassant:
5496 case WhiteKingSideCastle:
5497 case WhiteQueenSideCastle:
5498 case BlackKingSideCastle:
5499 case BlackQueenSideCastle:
5500 case WhiteKingSideCastleWild:
5501 case WhiteQueenSideCastleWild:
5502 case BlackKingSideCastleWild:
5503 case BlackQueenSideCastleWild:
5504 /* Code added by Tord: */
5505 case WhiteHSideCastleFR:
5506 case WhiteASideCastleFR:
5507 case BlackHSideCastleFR:
5508 case BlackASideCastleFR:
5509 /* End of code added by Tord */
5510 case IllegalMove: /* bug or odd chess variant */
5511 *fromX = currentMoveString[0] - AAA;
5512 *fromY = currentMoveString[1] - ONE;
5513 *toX = currentMoveString[2] - AAA;
5514 *toY = currentMoveString[3] - ONE;
5515 *promoChar = currentMoveString[4];
5516 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5517 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5518 if (appData.debugMode) {
5519 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5521 *fromX = *fromY = *toX = *toY = 0;
5524 if (appData.testLegality) {
5525 return (*moveType != IllegalMove);
5527 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5528 // [HGM] lion: if this is a double move we are less critical
5529 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5534 *fromX = *moveType == WhiteDrop ?
5535 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5536 (int) CharToPiece(ToLower(currentMoveString[0]));
5538 *toX = currentMoveString[2] - AAA;
5539 *toY = currentMoveString[3] - ONE;
5540 *promoChar = NULLCHAR;
5544 case ImpossibleMove:
5554 if (appData.debugMode) {
5555 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5558 *fromX = *fromY = *toX = *toY = 0;
5559 *promoChar = NULLCHAR;
5564 Boolean pushed = FALSE;
5565 char *lastParseAttempt;
5568 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5569 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5570 int fromX, fromY, toX, toY; char promoChar;
5575 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5576 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5577 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5580 endPV = forwardMostMove;
5582 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5583 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5584 lastParseAttempt = pv;
5585 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5586 if(!valid && nr == 0 &&
5587 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5588 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5589 // Hande case where played move is different from leading PV move
5590 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5591 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5592 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5593 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5594 endPV += 2; // if position different, keep this
5595 moveList[endPV-1][0] = fromX + AAA;
5596 moveList[endPV-1][1] = fromY + ONE;
5597 moveList[endPV-1][2] = toX + AAA;
5598 moveList[endPV-1][3] = toY + ONE;
5599 parseList[endPV-1][0] = NULLCHAR;
5600 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5603 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5604 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5605 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5606 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5607 valid++; // allow comments in PV
5611 if(endPV+1 > framePtr) break; // no space, truncate
5614 CopyBoard(boards[endPV], boards[endPV-1]);
5615 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5616 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5617 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5618 CoordsToAlgebraic(boards[endPV - 1],
5619 PosFlags(endPV - 1),
5620 fromY, fromX, toY, toX, promoChar,
5621 parseList[endPV - 1]);
5623 if(atEnd == 2) return; // used hidden, for PV conversion
5624 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5625 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5626 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5627 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5628 DrawPosition(TRUE, boards[currentMove]);
5632 MultiPV (ChessProgramState *cps)
5633 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5635 for(i=0; i<cps->nrOptions; i++)
5636 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5641 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5644 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5646 int startPV, multi, lineStart, origIndex = index;
5647 char *p, buf2[MSG_SIZ];
5648 ChessProgramState *cps = (pane ? &second : &first);
5650 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5651 lastX = x; lastY = y;
5652 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5653 lineStart = startPV = index;
5654 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5655 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5657 do{ while(buf[index] && buf[index] != '\n') index++;
5658 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5660 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5661 int n = cps->option[multi].value;
5662 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5663 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5664 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5665 cps->option[multi].value = n;
5668 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5669 ExcludeClick(origIndex - lineStart);
5671 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5672 Collapse(origIndex - lineStart);
5675 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5676 *start = startPV; *end = index-1;
5677 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5684 static char buf[10*MSG_SIZ];
5685 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5687 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5688 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5689 for(i = forwardMostMove; i<endPV; i++){
5690 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5691 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5694 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5695 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5696 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5702 LoadPV (int x, int y)
5703 { // called on right mouse click to load PV
5704 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5705 lastX = x; lastY = y;
5706 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5714 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5715 if(endPV < 0) return;
5716 if(appData.autoCopyPV) CopyFENToClipboard();
5718 if(extendGame && currentMove > forwardMostMove) {
5719 Boolean saveAnimate = appData.animate;
5721 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5722 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5723 } else storedGames--; // abandon shelved tail of original game
5726 forwardMostMove = currentMove;
5727 currentMove = oldFMM;
5728 appData.animate = FALSE;
5729 ToNrEvent(forwardMostMove);
5730 appData.animate = saveAnimate;
5732 currentMove = forwardMostMove;
5733 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5734 ClearPremoveHighlights();
5735 DrawPosition(TRUE, boards[currentMove]);
5739 MovePV (int x, int y, int h)
5740 { // step through PV based on mouse coordinates (called on mouse move)
5741 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5743 // we must somehow check if right button is still down (might be released off board!)
5744 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5745 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5746 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5748 lastX = x; lastY = y;
5750 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5751 if(endPV < 0) return;
5752 if(y < margin) step = 1; else
5753 if(y > h - margin) step = -1;
5754 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5755 currentMove += step;
5756 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5757 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5758 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5759 DrawPosition(FALSE, boards[currentMove]);
5763 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5764 // All positions will have equal probability, but the current method will not provide a unique
5765 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5771 int piecesLeft[(int)BlackPawn];
5772 int seed, nrOfShuffles;
5775 GetPositionNumber ()
5776 { // sets global variable seed
5779 seed = appData.defaultFrcPosition;
5780 if(seed < 0) { // randomize based on time for negative FRC position numbers
5781 for(i=0; i<50; i++) seed += random();
5782 seed = random() ^ random() >> 8 ^ random() << 8;
5783 if(seed<0) seed = -seed;
5788 put (Board board, int pieceType, int rank, int n, int shade)
5789 // put the piece on the (n-1)-th empty squares of the given shade
5793 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5794 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5795 board[rank][i] = (ChessSquare) pieceType;
5796 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5798 piecesLeft[pieceType]--;
5807 AddOnePiece (Board board, int pieceType, int rank, int shade)
5808 // calculate where the next piece goes, (any empty square), and put it there
5812 i = seed % squaresLeft[shade];
5813 nrOfShuffles *= squaresLeft[shade];
5814 seed /= squaresLeft[shade];
5815 put(board, pieceType, rank, i, shade);
5819 AddTwoPieces (Board board, int pieceType, int rank)
5820 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5822 int i, n=squaresLeft[ANY], j=n-1, k;
5824 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5825 i = seed % k; // pick one
5828 while(i >= j) i -= j--;
5829 j = n - 1 - j; i += j;
5830 put(board, pieceType, rank, j, ANY);
5831 put(board, pieceType, rank, i, ANY);
5835 SetUpShuffle (Board board, int number)
5839 GetPositionNumber(); nrOfShuffles = 1;
5841 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5842 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5843 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5845 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5847 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5848 p = (int) board[0][i];
5849 if(p < (int) BlackPawn) piecesLeft[p] ++;
5850 board[0][i] = EmptySquare;
5853 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5854 // shuffles restricted to allow normal castling put KRR first
5855 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5856 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5857 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5858 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5859 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5860 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5861 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5862 put(board, WhiteRook, 0, 0, ANY);
5863 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5866 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5867 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5868 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5869 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5870 while(piecesLeft[p] >= 2) {
5871 AddOnePiece(board, p, 0, LITE);
5872 AddOnePiece(board, p, 0, DARK);
5874 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5877 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5878 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5879 // but we leave King and Rooks for last, to possibly obey FRC restriction
5880 if(p == (int)WhiteRook) continue;
5881 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5882 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5885 // now everything is placed, except perhaps King (Unicorn) and Rooks
5887 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5888 // Last King gets castling rights
5889 while(piecesLeft[(int)WhiteUnicorn]) {
5890 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5891 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5894 while(piecesLeft[(int)WhiteKing]) {
5895 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5896 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5901 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5902 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5905 // Only Rooks can be left; simply place them all
5906 while(piecesLeft[(int)WhiteRook]) {
5907 i = put(board, WhiteRook, 0, 0, ANY);
5908 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5911 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5913 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5916 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5917 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5920 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5924 SetCharTable (char *table, const char * map)
5925 /* [HGM] moved here from winboard.c because of its general usefulness */
5926 /* Basically a safe strcpy that uses the last character as King */
5928 int result = FALSE; int NrPieces;
5930 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5931 && NrPieces >= 12 && !(NrPieces&1)) {
5932 int i; /* [HGM] Accept even length from 12 to 34 */
5934 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5935 for( i=0; i<NrPieces/2-1; i++ ) {
5937 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5939 table[(int) WhiteKing] = map[NrPieces/2-1];
5940 table[(int) BlackKing] = map[NrPieces-1];
5949 Prelude (Board board)
5950 { // [HGM] superchess: random selection of exo-pieces
5951 int i, j, k; ChessSquare p;
5952 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5954 GetPositionNumber(); // use FRC position number
5956 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5957 SetCharTable(pieceToChar, appData.pieceToCharTable);
5958 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5959 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5962 j = seed%4; seed /= 4;
5963 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5964 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5965 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5966 j = seed%3 + (seed%3 >= j); seed /= 3;
5967 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5968 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5969 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5970 j = seed%3; seed /= 3;
5971 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5972 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5973 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5974 j = seed%2 + (seed%2 >= j); seed /= 2;
5975 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5976 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5977 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5978 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5979 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5980 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5981 put(board, exoPieces[0], 0, 0, ANY);
5982 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5986 InitPosition (int redraw)
5988 ChessSquare (* pieces)[BOARD_FILES];
5989 int i, j, pawnRow=1, pieceRows=1, overrule,
5990 oldx = gameInfo.boardWidth,
5991 oldy = gameInfo.boardHeight,
5992 oldh = gameInfo.holdingsWidth;
5995 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5997 /* [AS] Initialize pv info list [HGM] and game status */
5999 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6000 pvInfoList[i].depth = 0;
6001 boards[i][EP_STATUS] = EP_NONE;
6002 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6005 initialRulePlies = 0; /* 50-move counter start */
6007 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6008 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6012 /* [HGM] logic here is completely changed. In stead of full positions */
6013 /* the initialized data only consist of the two backranks. The switch */
6014 /* selects which one we will use, which is than copied to the Board */
6015 /* initialPosition, which for the rest is initialized by Pawns and */
6016 /* empty squares. This initial position is then copied to boards[0], */
6017 /* possibly after shuffling, so that it remains available. */
6019 gameInfo.holdingsWidth = 0; /* default board sizes */
6020 gameInfo.boardWidth = 8;
6021 gameInfo.boardHeight = 8;
6022 gameInfo.holdingsSize = 0;
6023 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6024 for(i=0; i<BOARD_FILES-2; i++)
6025 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6026 initialPosition[EP_STATUS] = EP_NONE;
6027 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
6028 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6029 SetCharTable(pieceNickName, appData.pieceNickNames);
6030 else SetCharTable(pieceNickName, "............");
6033 switch (gameInfo.variant) {
6034 case VariantFischeRandom:
6035 shuffleOpenings = TRUE;
6036 appData.fischerCastling = TRUE;
6039 case VariantShatranj:
6040 pieces = ShatranjArray;
6041 nrCastlingRights = 0;
6042 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6045 pieces = makrukArray;
6046 nrCastlingRights = 0;
6047 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6050 pieces = aseanArray;
6051 nrCastlingRights = 0;
6052 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6054 case VariantTwoKings:
6055 pieces = twoKingsArray;
6058 pieces = GrandArray;
6059 nrCastlingRights = 0;
6060 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6061 gameInfo.boardWidth = 10;
6062 gameInfo.boardHeight = 10;
6063 gameInfo.holdingsSize = 7;
6065 case VariantCapaRandom:
6066 shuffleOpenings = TRUE;
6067 appData.fischerCastling = TRUE;
6068 case VariantCapablanca:
6069 pieces = CapablancaArray;
6070 gameInfo.boardWidth = 10;
6071 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6074 pieces = GothicArray;
6075 gameInfo.boardWidth = 10;
6076 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6079 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6080 gameInfo.holdingsSize = 7;
6081 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6084 pieces = JanusArray;
6085 gameInfo.boardWidth = 10;
6086 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6087 nrCastlingRights = 6;
6088 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6089 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6090 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6091 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6092 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6093 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6096 pieces = FalconArray;
6097 gameInfo.boardWidth = 10;
6098 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
6100 case VariantXiangqi:
6101 pieces = XiangqiArray;
6102 gameInfo.boardWidth = 9;
6103 gameInfo.boardHeight = 10;
6104 nrCastlingRights = 0;
6105 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6108 pieces = ShogiArray;
6109 gameInfo.boardWidth = 9;
6110 gameInfo.boardHeight = 9;
6111 gameInfo.holdingsSize = 7;
6112 nrCastlingRights = 0;
6113 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6116 pieces = ChuArray; pieceRows = 3;
6117 gameInfo.boardWidth = 12;
6118 gameInfo.boardHeight = 12;
6119 nrCastlingRights = 0;
6120 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6121 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6123 case VariantCourier:
6124 pieces = CourierArray;
6125 gameInfo.boardWidth = 12;
6126 nrCastlingRights = 0;
6127 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6129 case VariantKnightmate:
6130 pieces = KnightmateArray;
6131 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6133 case VariantSpartan:
6134 pieces = SpartanArray;
6135 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6139 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6141 case VariantChuChess:
6142 pieces = ChuChessArray;
6143 gameInfo.boardWidth = 10;
6144 gameInfo.boardHeight = 10;
6145 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6148 pieces = fairyArray;
6149 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6152 pieces = GreatArray;
6153 gameInfo.boardWidth = 10;
6154 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6155 gameInfo.holdingsSize = 8;
6159 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6160 gameInfo.holdingsSize = 8;
6161 startedFromSetupPosition = TRUE;
6163 case VariantCrazyhouse:
6164 case VariantBughouse:
6166 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6167 gameInfo.holdingsSize = 5;
6169 case VariantWildCastle:
6171 /* !!?shuffle with kings guaranteed to be on d or e file */
6172 shuffleOpenings = 1;
6174 case VariantNoCastle:
6176 nrCastlingRights = 0;
6177 /* !!?unconstrained back-rank shuffle */
6178 shuffleOpenings = 1;
6183 if(appData.NrFiles >= 0) {
6184 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6185 gameInfo.boardWidth = appData.NrFiles;
6187 if(appData.NrRanks >= 0) {
6188 gameInfo.boardHeight = appData.NrRanks;
6190 if(appData.holdingsSize >= 0) {
6191 i = appData.holdingsSize;
6192 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6193 gameInfo.holdingsSize = i;
6195 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6196 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6197 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6199 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6200 if(pawnRow < 1) pawnRow = 1;
6201 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6202 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6203 if(gameInfo.variant == VariantChu) pawnRow = 3;
6205 /* User pieceToChar list overrules defaults */
6206 if(appData.pieceToCharTable != NULL)
6207 SetCharTable(pieceToChar, appData.pieceToCharTable);
6209 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6211 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6212 s = (ChessSquare) 0; /* account holding counts in guard band */
6213 for( i=0; i<BOARD_HEIGHT; i++ )
6214 initialPosition[i][j] = s;
6216 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6217 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6218 initialPosition[pawnRow][j] = WhitePawn;
6219 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6220 if(gameInfo.variant == VariantXiangqi) {
6222 initialPosition[pawnRow][j] =
6223 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6224 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6225 initialPosition[2][j] = WhiteCannon;
6226 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6230 if(gameInfo.variant == VariantChu) {
6231 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6232 initialPosition[pawnRow+1][j] = WhiteCobra,
6233 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6234 for(i=1; i<pieceRows; i++) {
6235 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6236 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6239 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6240 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6241 initialPosition[0][j] = WhiteRook;
6242 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6245 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6247 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6248 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6251 initialPosition[1][j] = WhiteBishop;
6252 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6254 initialPosition[1][j] = WhiteRook;
6255 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6258 if( nrCastlingRights == -1) {
6259 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6260 /* This sets default castling rights from none to normal corners */
6261 /* Variants with other castling rights must set them themselves above */
6262 nrCastlingRights = 6;
6264 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6265 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6266 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6267 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6268 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6269 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6272 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6273 if(gameInfo.variant == VariantGreat) { // promotion commoners
6274 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6275 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6276 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6277 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6279 if( gameInfo.variant == VariantSChess ) {
6280 initialPosition[1][0] = BlackMarshall;
6281 initialPosition[2][0] = BlackAngel;
6282 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6283 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6284 initialPosition[1][1] = initialPosition[2][1] =
6285 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6287 if (appData.debugMode) {
6288 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6290 if(shuffleOpenings) {
6291 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6292 startedFromSetupPosition = TRUE;
6294 if(startedFromPositionFile) {
6295 /* [HGM] loadPos: use PositionFile for every new game */
6296 CopyBoard(initialPosition, filePosition);
6297 for(i=0; i<nrCastlingRights; i++)
6298 initialRights[i] = filePosition[CASTLING][i];
6299 startedFromSetupPosition = TRUE;
6302 CopyBoard(boards[0], initialPosition);
6304 if(oldx != gameInfo.boardWidth ||
6305 oldy != gameInfo.boardHeight ||
6306 oldv != gameInfo.variant ||
6307 oldh != gameInfo.holdingsWidth
6309 InitDrawingSizes(-2 ,0);
6311 oldv = gameInfo.variant;
6313 DrawPosition(TRUE, boards[currentMove]);
6317 SendBoard (ChessProgramState *cps, int moveNum)
6319 char message[MSG_SIZ];
6321 if (cps->useSetboard) {
6322 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6323 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6324 SendToProgram(message, cps);
6329 int i, j, left=0, right=BOARD_WIDTH;
6330 /* Kludge to set black to move, avoiding the troublesome and now
6331 * deprecated "black" command.
6333 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6334 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6336 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6338 SendToProgram("edit\n", cps);
6339 SendToProgram("#\n", cps);
6340 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6341 bp = &boards[moveNum][i][left];
6342 for (j = left; j < right; j++, bp++) {
6343 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6344 if ((int) *bp < (int) BlackPawn) {
6345 if(j == BOARD_RGHT+1)
6346 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6347 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6348 if(message[0] == '+' || message[0] == '~') {
6349 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6350 PieceToChar((ChessSquare)(DEMOTED *bp)),
6353 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6354 message[1] = BOARD_RGHT - 1 - j + '1';
6355 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6357 SendToProgram(message, cps);
6362 SendToProgram("c\n", cps);
6363 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6364 bp = &boards[moveNum][i][left];
6365 for (j = left; j < right; j++, bp++) {
6366 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6367 if (((int) *bp != (int) EmptySquare)
6368 && ((int) *bp >= (int) BlackPawn)) {
6369 if(j == BOARD_LEFT-2)
6370 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6371 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6373 if(message[0] == '+' || message[0] == '~') {
6374 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6375 PieceToChar((ChessSquare)(DEMOTED *bp)),
6378 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6379 message[1] = BOARD_RGHT - 1 - j + '1';
6380 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6382 SendToProgram(message, cps);
6387 SendToProgram(".\n", cps);
6389 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6392 char exclusionHeader[MSG_SIZ];
6393 int exCnt, excludePtr;
6394 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6395 static Exclusion excluTab[200];
6396 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6402 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6403 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6409 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6410 excludePtr = 24; exCnt = 0;
6415 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6416 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6417 char buf[2*MOVE_LEN], *p;
6418 Exclusion *e = excluTab;
6420 for(i=0; i<exCnt; i++)
6421 if(e[i].ff == fromX && e[i].fr == fromY &&
6422 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6423 if(i == exCnt) { // was not in exclude list; add it
6424 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6425 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6426 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6429 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6430 excludePtr++; e[i].mark = excludePtr++;
6431 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6434 exclusionHeader[e[i].mark] = state;
6438 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6439 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6443 if((signed char)promoChar == -1) { // kludge to indicate best move
6444 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6445 return 1; // if unparsable, abort
6447 // update exclusion map (resolving toggle by consulting existing state)
6448 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6450 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6451 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6452 excludeMap[k] |= 1<<j;
6453 else excludeMap[k] &= ~(1<<j);
6455 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6457 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6458 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6460 return (state == '+');
6464 ExcludeClick (int index)
6467 Exclusion *e = excluTab;
6468 if(index < 25) { // none, best or tail clicked
6469 if(index < 13) { // none: include all
6470 WriteMap(0); // clear map
6471 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6472 SendToBoth("include all\n"); // and inform engine
6473 } else if(index > 18) { // tail
6474 if(exclusionHeader[19] == '-') { // tail was excluded
6475 SendToBoth("include all\n");
6476 WriteMap(0); // clear map completely
6477 // now re-exclude selected moves
6478 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6479 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6480 } else { // tail was included or in mixed state
6481 SendToBoth("exclude all\n");
6482 WriteMap(0xFF); // fill map completely
6483 // now re-include selected moves
6484 j = 0; // count them
6485 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6486 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6487 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6490 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6493 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6494 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6495 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6502 DefaultPromoChoice (int white)
6505 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6506 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6507 result = WhiteFerz; // no choice
6508 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6509 result= WhiteKing; // in Suicide Q is the last thing we want
6510 else if(gameInfo.variant == VariantSpartan)
6511 result = white ? WhiteQueen : WhiteAngel;
6512 else result = WhiteQueen;
6513 if(!white) result = WHITE_TO_BLACK result;
6517 static int autoQueen; // [HGM] oneclick
6520 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6522 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6523 /* [HGM] add Shogi promotions */
6524 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6525 ChessSquare piece, partner;
6529 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6530 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6532 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6533 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6536 piece = boards[currentMove][fromY][fromX];
6537 if(gameInfo.variant == VariantChu) {
6538 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6539 promotionZoneSize = BOARD_HEIGHT/3;
6540 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6541 } else if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantChuChess) {
6542 promotionZoneSize = BOARD_HEIGHT/3;
6543 highestPromotingPiece = (int)WhiteAlfil;
6544 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6545 promotionZoneSize = 3;
6548 // Treat Lance as Pawn when it is not representing Amazon or Lance
6549 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6550 if(piece == WhiteLance) piece = WhitePawn; else
6551 if(piece == BlackLance) piece = BlackPawn;
6554 // next weed out all moves that do not touch the promotion zone at all
6555 if((int)piece >= BlackPawn) {
6556 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6558 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6559 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6561 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6562 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6563 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6567 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6569 // weed out mandatory Shogi promotions
6570 if(gameInfo.variant == VariantShogi) {
6571 if(piece >= BlackPawn) {
6572 if(toY == 0 && piece == BlackPawn ||
6573 toY == 0 && piece == BlackQueen ||
6574 toY <= 1 && piece == BlackKnight) {
6579 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6580 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6581 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6588 // weed out obviously illegal Pawn moves
6589 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6590 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6591 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6592 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6593 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6594 // note we are not allowed to test for valid (non-)capture, due to premove
6597 // we either have a choice what to promote to, or (in Shogi) whether to promote
6598 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6599 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6600 ChessSquare p=BlackFerz; // no choice
6601 while(p < EmptySquare) { //but make sure we use piece that exists
6602 *promoChoice = PieceToChar(p++);
6603 if(*promoChoice != '.') break;
6607 // no sense asking what we must promote to if it is going to explode...
6608 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6609 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6612 // give caller the default choice even if we will not make it
6613 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6614 partner = piece; // pieces can promote if the pieceToCharTable says so
6615 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6616 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6617 if( sweepSelect && gameInfo.variant != VariantGreat
6618 && gameInfo.variant != VariantGrand
6619 && gameInfo.variant != VariantSuper) return FALSE;
6620 if(autoQueen) return FALSE; // predetermined
6622 // suppress promotion popup on illegal moves that are not premoves
6623 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6624 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6625 if(appData.testLegality && !premove) {
6626 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6627 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6628 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6629 if(moveType != WhitePromotion && moveType != BlackPromotion)
6637 InPalace (int row, int column)
6638 { /* [HGM] for Xiangqi */
6639 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6640 column < (BOARD_WIDTH + 4)/2 &&
6641 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6646 PieceForSquare (int x, int y)
6648 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6651 return boards[currentMove][y][x];
6655 OKToStartUserMove (int x, int y)
6657 ChessSquare from_piece;
6660 if (matchMode) return FALSE;
6661 if (gameMode == EditPosition) return TRUE;
6663 if (x >= 0 && y >= 0)
6664 from_piece = boards[currentMove][y][x];
6666 from_piece = EmptySquare;
6668 if (from_piece == EmptySquare) return FALSE;
6670 white_piece = (int)from_piece >= (int)WhitePawn &&
6671 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6675 case TwoMachinesPlay:
6683 case MachinePlaysWhite:
6684 case IcsPlayingBlack:
6685 if (appData.zippyPlay) return FALSE;
6687 DisplayMoveError(_("You are playing Black"));
6692 case MachinePlaysBlack:
6693 case IcsPlayingWhite:
6694 if (appData.zippyPlay) return FALSE;
6696 DisplayMoveError(_("You are playing White"));
6701 case PlayFromGameFile:
6702 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6704 if (!white_piece && WhiteOnMove(currentMove)) {
6705 DisplayMoveError(_("It is White's turn"));
6708 if (white_piece && !WhiteOnMove(currentMove)) {
6709 DisplayMoveError(_("It is Black's turn"));
6712 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6713 /* Editing correspondence game history */
6714 /* Could disallow this or prompt for confirmation */
6719 case BeginningOfGame:
6720 if (appData.icsActive) return FALSE;
6721 if (!appData.noChessProgram) {
6723 DisplayMoveError(_("You are playing White"));
6730 if (!white_piece && WhiteOnMove(currentMove)) {
6731 DisplayMoveError(_("It is White's turn"));
6734 if (white_piece && !WhiteOnMove(currentMove)) {
6735 DisplayMoveError(_("It is Black's turn"));
6744 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6745 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6746 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6747 && gameMode != AnalyzeFile && gameMode != Training) {
6748 DisplayMoveError(_("Displayed position is not current"));
6755 OnlyMove (int *x, int *y, Boolean captures)
6757 DisambiguateClosure cl;
6758 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6760 case MachinePlaysBlack:
6761 case IcsPlayingWhite:
6762 case BeginningOfGame:
6763 if(!WhiteOnMove(currentMove)) return FALSE;
6765 case MachinePlaysWhite:
6766 case IcsPlayingBlack:
6767 if(WhiteOnMove(currentMove)) return FALSE;
6774 cl.pieceIn = EmptySquare;
6779 cl.promoCharIn = NULLCHAR;
6780 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6781 if( cl.kind == NormalMove ||
6782 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6783 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6784 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6791 if(cl.kind != ImpossibleMove) return FALSE;
6792 cl.pieceIn = EmptySquare;
6797 cl.promoCharIn = NULLCHAR;
6798 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6799 if( cl.kind == NormalMove ||
6800 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6801 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6802 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6807 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6813 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6814 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6815 int lastLoadGameUseList = FALSE;
6816 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6817 ChessMove lastLoadGameStart = EndOfFile;
6819 Boolean addToBookFlag;
6822 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6826 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6828 /* Check if the user is playing in turn. This is complicated because we
6829 let the user "pick up" a piece before it is his turn. So the piece he
6830 tried to pick up may have been captured by the time he puts it down!
6831 Therefore we use the color the user is supposed to be playing in this
6832 test, not the color of the piece that is currently on the starting
6833 square---except in EditGame mode, where the user is playing both
6834 sides; fortunately there the capture race can't happen. (It can
6835 now happen in IcsExamining mode, but that's just too bad. The user
6836 will get a somewhat confusing message in that case.)
6841 case TwoMachinesPlay:
6845 /* We switched into a game mode where moves are not accepted,
6846 perhaps while the mouse button was down. */
6849 case MachinePlaysWhite:
6850 /* User is moving for Black */
6851 if (WhiteOnMove(currentMove)) {
6852 DisplayMoveError(_("It is White's turn"));
6857 case MachinePlaysBlack:
6858 /* User is moving for White */
6859 if (!WhiteOnMove(currentMove)) {
6860 DisplayMoveError(_("It is Black's turn"));
6865 case PlayFromGameFile:
6866 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6869 case BeginningOfGame:
6872 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6873 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6874 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6875 /* User is moving for Black */
6876 if (WhiteOnMove(currentMove)) {
6877 DisplayMoveError(_("It is White's turn"));
6881 /* User is moving for White */
6882 if (!WhiteOnMove(currentMove)) {
6883 DisplayMoveError(_("It is Black's turn"));
6889 case IcsPlayingBlack:
6890 /* User is moving for Black */
6891 if (WhiteOnMove(currentMove)) {
6892 if (!appData.premove) {
6893 DisplayMoveError(_("It is White's turn"));
6894 } else if (toX >= 0 && toY >= 0) {
6897 premoveFromX = fromX;
6898 premoveFromY = fromY;
6899 premovePromoChar = promoChar;
6901 if (appData.debugMode)
6902 fprintf(debugFP, "Got premove: fromX %d,"
6903 "fromY %d, toX %d, toY %d\n",
6904 fromX, fromY, toX, toY);
6910 case IcsPlayingWhite:
6911 /* User is moving for White */
6912 if (!WhiteOnMove(currentMove)) {
6913 if (!appData.premove) {
6914 DisplayMoveError(_("It is Black's turn"));
6915 } else if (toX >= 0 && toY >= 0) {
6918 premoveFromX = fromX;
6919 premoveFromY = fromY;
6920 premovePromoChar = promoChar;
6922 if (appData.debugMode)
6923 fprintf(debugFP, "Got premove: fromX %d,"
6924 "fromY %d, toX %d, toY %d\n",
6925 fromX, fromY, toX, toY);
6935 /* EditPosition, empty square, or different color piece;
6936 click-click move is possible */
6937 if (toX == -2 || toY == -2) {
6938 boards[0][fromY][fromX] = EmptySquare;
6939 DrawPosition(FALSE, boards[currentMove]);
6941 } else if (toX >= 0 && toY >= 0) {
6942 boards[0][toY][toX] = boards[0][fromY][fromX];
6943 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6944 if(boards[0][fromY][0] != EmptySquare) {
6945 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6946 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6949 if(fromX == BOARD_RGHT+1) {
6950 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6951 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6952 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6955 boards[0][fromY][fromX] = gatingPiece;
6956 DrawPosition(FALSE, boards[currentMove]);
6962 if(toX < 0 || toY < 0) return;
6963 pup = boards[currentMove][toY][toX];
6965 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6966 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6967 if( pup != EmptySquare ) return;
6968 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6969 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6970 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6971 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6972 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6973 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6974 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6978 /* [HGM] always test for legality, to get promotion info */
6979 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6980 fromY, fromX, toY, toX, promoChar);
6982 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6984 /* [HGM] but possibly ignore an IllegalMove result */
6985 if (appData.testLegality) {
6986 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6987 DisplayMoveError(_("Illegal move"));
6992 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6993 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6994 ClearPremoveHighlights(); // was included
6995 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6999 if(addToBookFlag) { // adding moves to book
7000 char buf[MSG_SIZ], move[MSG_SIZ];
7001 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7002 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7004 addToBookFlag = FALSE;
7009 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7012 /* Common tail of UserMoveEvent and DropMenuEvent */
7014 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7018 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7019 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7020 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7021 if(WhiteOnMove(currentMove)) {
7022 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7024 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7028 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7029 move type in caller when we know the move is a legal promotion */
7030 if(moveType == NormalMove && promoChar)
7031 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7033 /* [HGM] <popupFix> The following if has been moved here from
7034 UserMoveEvent(). Because it seemed to belong here (why not allow
7035 piece drops in training games?), and because it can only be
7036 performed after it is known to what we promote. */
7037 if (gameMode == Training) {
7038 /* compare the move played on the board to the next move in the
7039 * game. If they match, display the move and the opponent's response.
7040 * If they don't match, display an error message.
7044 CopyBoard(testBoard, boards[currentMove]);
7045 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7047 if (CompareBoards(testBoard, boards[currentMove+1])) {
7048 ForwardInner(currentMove+1);
7050 /* Autoplay the opponent's response.
7051 * if appData.animate was TRUE when Training mode was entered,
7052 * the response will be animated.
7054 saveAnimate = appData.animate;
7055 appData.animate = animateTraining;
7056 ForwardInner(currentMove+1);
7057 appData.animate = saveAnimate;
7059 /* check for the end of the game */
7060 if (currentMove >= forwardMostMove) {
7061 gameMode = PlayFromGameFile;
7063 SetTrainingModeOff();
7064 DisplayInformation(_("End of game"));
7067 DisplayError(_("Incorrect move"), 0);
7072 /* Ok, now we know that the move is good, so we can kill
7073 the previous line in Analysis Mode */
7074 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7075 && currentMove < forwardMostMove) {
7076 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7077 else forwardMostMove = currentMove;
7082 /* If we need the chess program but it's dead, restart it */
7083 ResurrectChessProgram();
7085 /* A user move restarts a paused game*/
7089 thinkOutput[0] = NULLCHAR;
7091 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7093 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7094 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7098 if (gameMode == BeginningOfGame) {
7099 if (appData.noChessProgram) {
7100 gameMode = EditGame;
7104 gameMode = MachinePlaysBlack;
7107 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7109 if (first.sendName) {
7110 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7111 SendToProgram(buf, &first);
7118 /* Relay move to ICS or chess engine */
7119 if (appData.icsActive) {
7120 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7121 gameMode == IcsExamining) {
7122 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7123 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7125 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7127 // also send plain move, in case ICS does not understand atomic claims
7128 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7132 if (first.sendTime && (gameMode == BeginningOfGame ||
7133 gameMode == MachinePlaysWhite ||
7134 gameMode == MachinePlaysBlack)) {
7135 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7137 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7138 // [HGM] book: if program might be playing, let it use book
7139 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7140 first.maybeThinking = TRUE;
7141 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7142 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7143 SendBoard(&first, currentMove+1);
7144 if(second.analyzing) {
7145 if(!second.useSetboard) SendToProgram("undo\n", &second);
7146 SendBoard(&second, currentMove+1);
7149 SendMoveToProgram(forwardMostMove-1, &first);
7150 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7152 if (currentMove == cmailOldMove + 1) {
7153 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7157 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7161 if(appData.testLegality)
7162 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7168 if (WhiteOnMove(currentMove)) {
7169 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7171 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7175 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7180 case MachinePlaysBlack:
7181 case MachinePlaysWhite:
7182 /* disable certain menu options while machine is thinking */
7183 SetMachineThinkingEnables();
7190 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7191 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7193 if(bookHit) { // [HGM] book: simulate book reply
7194 static char bookMove[MSG_SIZ]; // a bit generous?
7196 programStats.nodes = programStats.depth = programStats.time =
7197 programStats.score = programStats.got_only_move = 0;
7198 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7200 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7201 strcat(bookMove, bookHit);
7202 HandleMachineMove(bookMove, &first);
7208 MarkByFEN(char *fen)
7211 if(!appData.markers || !appData.highlightDragging) return;
7212 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7213 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7217 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7218 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7219 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7220 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7221 if(*fen == 'T') marker[r][f++] = 0; else
7222 if(*fen == 'Y') marker[r][f++] = 1; else
7223 if(*fen == 'G') marker[r][f++] = 3; else
7224 if(*fen == 'B') marker[r][f++] = 4; else
7225 if(*fen == 'C') marker[r][f++] = 5; else
7226 if(*fen == 'M') marker[r][f++] = 6; else
7227 if(*fen == 'W') marker[r][f++] = 7; else
7228 if(*fen == 'D') marker[r][f++] = 8; else
7229 if(*fen == 'R') marker[r][f++] = 2; else {
7230 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7233 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7237 DrawPosition(TRUE, NULL);
7240 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7243 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7245 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7246 Markers *m = (Markers *) closure;
7247 if(rf == fromY && ff == fromX && (killX < 0 && !(rt == rf && ft == ff) || abs(ft-killX) < 2 && abs(rt-killY) < 2))
7248 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7249 || kind == WhiteCapturesEnPassant
7250 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0);
7251 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7254 static int hoverSavedValid;
7257 MarkTargetSquares (int clear)
7260 if(clear) { // no reason to ever suppress clearing
7261 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7262 hoverSavedValid = 0;
7263 if(!sum) return; // nothing was cleared,no redraw needed
7266 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7267 !appData.testLegality || gameMode == EditPosition) return;
7268 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7269 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7270 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7272 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7275 DrawPosition(FALSE, NULL);
7279 Explode (Board board, int fromX, int fromY, int toX, int toY)
7281 if(gameInfo.variant == VariantAtomic &&
7282 (board[toY][toX] != EmptySquare || // capture?
7283 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7284 board[fromY][fromX] == BlackPawn )
7286 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7292 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7295 CanPromote (ChessSquare piece, int y)
7297 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7298 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7299 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7300 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7301 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7302 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7303 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7304 return (piece == BlackPawn && y <= zone ||
7305 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7306 piece == BlackLance && y == 1 ||
7307 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7311 HoverEvent (int xPix, int yPix, int x, int y)
7313 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7315 if(!first.highlight) return;
7316 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7317 if(x == oldX && y == oldY) return; // only do something if we enter new square
7318 oldFromX = fromX; oldFromY = fromY;
7319 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7320 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7321 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7322 hoverSavedValid = 1;
7323 } else if(oldX != x || oldY != y) {
7324 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7325 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7326 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7327 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7328 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7330 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7331 SendToProgram(buf, &first);
7334 // SetHighlights(fromX, fromY, x, y);
7338 void ReportClick(char *action, int x, int y)
7340 char buf[MSG_SIZ]; // Inform engine of what user does
7342 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7343 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7344 if(!first.highlight || gameMode == EditPosition) return;
7345 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7346 SendToProgram(buf, &first);
7350 LeftClick (ClickType clickType, int xPix, int yPix)
7353 Boolean saveAnimate;
7354 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7355 char promoChoice = NULLCHAR;
7357 static TimeMark lastClickTime, prevClickTime;
7359 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7361 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7363 if (clickType == Press) ErrorPopDown();
7364 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7366 x = EventToSquare(xPix, BOARD_WIDTH);
7367 y = EventToSquare(yPix, BOARD_HEIGHT);
7368 if (!flipView && y >= 0) {
7369 y = BOARD_HEIGHT - 1 - y;
7371 if (flipView && x >= 0) {
7372 x = BOARD_WIDTH - 1 - x;
7375 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7376 defaultPromoChoice = promoSweep;
7377 promoSweep = EmptySquare; // terminate sweep
7378 promoDefaultAltered = TRUE;
7379 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7382 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7383 if(clickType == Release) return; // ignore upclick of click-click destination
7384 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7385 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7386 if(gameInfo.holdingsWidth &&
7387 (WhiteOnMove(currentMove)
7388 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7389 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7390 // click in right holdings, for determining promotion piece
7391 ChessSquare p = boards[currentMove][y][x];
7392 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7393 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7394 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7395 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7400 DrawPosition(FALSE, boards[currentMove]);
7404 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7405 if(clickType == Press
7406 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7407 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7408 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7411 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7412 // could be static click on premove from-square: abort premove
7414 ClearPremoveHighlights();
7417 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7418 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7420 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7421 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7422 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7423 defaultPromoChoice = DefaultPromoChoice(side);
7426 autoQueen = appData.alwaysPromoteToQueen;
7430 gatingPiece = EmptySquare;
7431 if (clickType != Press) {
7432 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7433 DragPieceEnd(xPix, yPix); dragging = 0;
7434 DrawPosition(FALSE, NULL);
7438 doubleClick = FALSE;
7439 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7440 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7442 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7443 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7444 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7445 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7447 if (OKToStartUserMove(fromX, fromY)) {
7449 ReportClick("lift", x, y);
7450 MarkTargetSquares(0);
7451 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7452 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7453 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7454 promoSweep = defaultPromoChoice;
7455 selectFlag = 0; lastX = xPix; lastY = yPix;
7456 Sweep(0); // Pawn that is going to promote: preview promotion piece
7457 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7459 if (appData.highlightDragging) {
7460 SetHighlights(fromX, fromY, -1, -1);
7464 } else fromX = fromY = -1;
7470 if (clickType == Press && gameMode != EditPosition) {
7475 // ignore off-board to clicks
7476 if(y < 0 || x < 0) return;
7478 /* Check if clicking again on the same color piece */
7479 fromP = boards[currentMove][fromY][fromX];
7480 toP = boards[currentMove][y][x];
7481 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7482 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7483 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7484 WhitePawn <= toP && toP <= WhiteKing &&
7485 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7486 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7487 (BlackPawn <= fromP && fromP <= BlackKing &&
7488 BlackPawn <= toP && toP <= BlackKing &&
7489 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7490 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7491 /* Clicked again on same color piece -- changed his mind */
7492 second = (x == fromX && y == fromY);
7494 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7495 second = FALSE; // first double-click rather than scond click
7496 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7498 promoDefaultAltered = FALSE;
7499 MarkTargetSquares(1);
7500 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7501 if (appData.highlightDragging) {
7502 SetHighlights(x, y, -1, -1);
7506 if (OKToStartUserMove(x, y)) {
7507 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7508 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7509 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7510 gatingPiece = boards[currentMove][fromY][fromX];
7511 else gatingPiece = doubleClick ? fromP : EmptySquare;
7513 fromY = y; dragging = 1;
7514 ReportClick("lift", x, y);
7515 MarkTargetSquares(0);
7516 DragPieceBegin(xPix, yPix, FALSE);
7517 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7518 promoSweep = defaultPromoChoice;
7519 selectFlag = 0; lastX = xPix; lastY = yPix;
7520 Sweep(0); // Pawn that is going to promote: preview promotion piece
7524 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7527 // ignore clicks on holdings
7528 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7531 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7532 DragPieceEnd(xPix, yPix); dragging = 0;
7534 // a deferred attempt to click-click move an empty square on top of a piece
7535 boards[currentMove][y][x] = EmptySquare;
7537 DrawPosition(FALSE, boards[currentMove]);
7538 fromX = fromY = -1; clearFlag = 0;
7541 if (appData.animateDragging) {
7542 /* Undo animation damage if any */
7543 DrawPosition(FALSE, NULL);
7545 if (second || sweepSelecting) {
7546 /* Second up/down in same square; just abort move */
7547 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7548 second = sweepSelecting = 0;
7550 gatingPiece = EmptySquare;
7551 MarkTargetSquares(1);
7554 ClearPremoveHighlights();
7556 /* First upclick in same square; start click-click mode */
7557 SetHighlights(x, y, -1, -1);
7564 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] && (x != killX || y != killY) && !sweepSelecting) {
7565 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7566 DisplayMessage(_("only marked squares are legal"),"");
7567 DrawPosition(TRUE, NULL);
7568 return; // ignore to-click
7571 /* we now have a different from- and (possibly off-board) to-square */
7572 /* Completed move */
7573 if(!sweepSelecting) {
7578 piece = boards[currentMove][fromY][fromX];
7580 saveAnimate = appData.animate;
7581 if (clickType == Press) {
7582 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7583 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7584 // must be Edit Position mode with empty-square selected
7585 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7586 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7589 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7592 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7593 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7595 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7596 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7597 if(appData.sweepSelect) {
7598 promoSweep = defaultPromoChoice;
7599 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7600 selectFlag = 0; lastX = xPix; lastY = yPix;
7601 Sweep(0); // Pawn that is going to promote: preview promotion piece
7603 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7604 MarkTargetSquares(1);
7606 return; // promo popup appears on up-click
7608 /* Finish clickclick move */
7609 if (appData.animate || appData.highlightLastMove) {
7610 SetHighlights(fromX, fromY, toX, toY);
7614 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7615 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7616 if (appData.animate || appData.highlightLastMove) {
7617 SetHighlights(fromX, fromY, toX, toY);
7623 // [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
7624 /* Finish drag move */
7625 if (appData.highlightLastMove) {
7626 SetHighlights(fromX, fromY, toX, toY);
7631 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7632 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7633 dragging *= 2; // flag button-less dragging if we are dragging
7634 MarkTargetSquares(1);
7635 if(x == killX && y == killY) killX = killY = -1; else {
7636 killX = x; killY = y; //remeber this square as intermediate
7637 ReportClick("put", x, y); // and inform engine
7638 ReportClick("lift", x, y);
7639 MarkTargetSquares(0);
7643 DragPieceEnd(xPix, yPix); dragging = 0;
7644 /* Don't animate move and drag both */
7645 appData.animate = FALSE;
7648 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7649 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7650 ChessSquare piece = boards[currentMove][fromY][fromX];
7651 if(gameMode == EditPosition && piece != EmptySquare &&
7652 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7655 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7656 n = PieceToNumber(piece - (int)BlackPawn);
7657 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7658 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7659 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7661 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7662 n = PieceToNumber(piece);
7663 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7664 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7665 boards[currentMove][n][BOARD_WIDTH-2]++;
7667 boards[currentMove][fromY][fromX] = EmptySquare;
7671 MarkTargetSquares(1);
7672 DrawPosition(TRUE, boards[currentMove]);
7676 // off-board moves should not be highlighted
7677 if(x < 0 || y < 0) ClearHighlights();
7678 else ReportClick("put", x, y);
7680 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7682 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7683 SetHighlights(fromX, fromY, toX, toY);
7684 MarkTargetSquares(1);
7685 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7686 // [HGM] super: promotion to captured piece selected from holdings
7687 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7688 promotionChoice = TRUE;
7689 // kludge follows to temporarily execute move on display, without promoting yet
7690 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7691 boards[currentMove][toY][toX] = p;
7692 DrawPosition(FALSE, boards[currentMove]);
7693 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7694 boards[currentMove][toY][toX] = q;
7695 DisplayMessage("Click in holdings to choose piece", "");
7698 PromotionPopUp(promoChoice);
7700 int oldMove = currentMove;
7701 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7702 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7703 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7704 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7705 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7706 DrawPosition(TRUE, boards[currentMove]);
7707 MarkTargetSquares(1);
7710 appData.animate = saveAnimate;
7711 if (appData.animate || appData.animateDragging) {
7712 /* Undo animation damage if needed */
7713 DrawPosition(FALSE, NULL);
7718 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7719 { // front-end-free part taken out of PieceMenuPopup
7720 int whichMenu; int xSqr, ySqr;
7722 if(seekGraphUp) { // [HGM] seekgraph
7723 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7724 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7728 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7729 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7730 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7731 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7732 if(action == Press) {
7733 originalFlip = flipView;
7734 flipView = !flipView; // temporarily flip board to see game from partners perspective
7735 DrawPosition(TRUE, partnerBoard);
7736 DisplayMessage(partnerStatus, "");
7738 } else if(action == Release) {
7739 flipView = originalFlip;
7740 DrawPosition(TRUE, boards[currentMove]);
7746 xSqr = EventToSquare(x, BOARD_WIDTH);
7747 ySqr = EventToSquare(y, BOARD_HEIGHT);
7748 if (action == Release) {
7749 if(pieceSweep != EmptySquare) {
7750 EditPositionMenuEvent(pieceSweep, toX, toY);
7751 pieceSweep = EmptySquare;
7752 } else UnLoadPV(); // [HGM] pv
7754 if (action != Press) return -2; // return code to be ignored
7757 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7759 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7760 if (xSqr < 0 || ySqr < 0) return -1;
7761 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7762 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7763 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7764 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7768 if(!appData.icsEngineAnalyze) return -1;
7769 case IcsPlayingWhite:
7770 case IcsPlayingBlack:
7771 if(!appData.zippyPlay) goto noZip;
7774 case MachinePlaysWhite:
7775 case MachinePlaysBlack:
7776 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7777 if (!appData.dropMenu) {
7779 return 2; // flag front-end to grab mouse events
7781 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7782 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7785 if (xSqr < 0 || ySqr < 0) return -1;
7786 if (!appData.dropMenu || appData.testLegality &&
7787 gameInfo.variant != VariantBughouse &&
7788 gameInfo.variant != VariantCrazyhouse) return -1;
7789 whichMenu = 1; // drop menu
7795 if (((*fromX = xSqr) < 0) ||
7796 ((*fromY = ySqr) < 0)) {
7797 *fromX = *fromY = -1;
7801 *fromX = BOARD_WIDTH - 1 - *fromX;
7803 *fromY = BOARD_HEIGHT - 1 - *fromY;
7809 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7811 // char * hint = lastHint;
7812 FrontEndProgramStats stats;
7814 stats.which = cps == &first ? 0 : 1;
7815 stats.depth = cpstats->depth;
7816 stats.nodes = cpstats->nodes;
7817 stats.score = cpstats->score;
7818 stats.time = cpstats->time;
7819 stats.pv = cpstats->movelist;
7820 stats.hint = lastHint;
7821 stats.an_move_index = 0;
7822 stats.an_move_count = 0;
7824 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7825 stats.hint = cpstats->move_name;
7826 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7827 stats.an_move_count = cpstats->nr_moves;
7830 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
7832 SetProgramStats( &stats );
7836 ClearEngineOutputPane (int which)
7838 static FrontEndProgramStats dummyStats;
7839 dummyStats.which = which;
7840 dummyStats.pv = "#";
7841 SetProgramStats( &dummyStats );
7844 #define MAXPLAYERS 500
7847 TourneyStandings (int display)
7849 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7850 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7851 char result, *p, *names[MAXPLAYERS];
7853 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7854 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7855 names[0] = p = strdup(appData.participants);
7856 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7858 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7860 while(result = appData.results[nr]) {
7861 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7862 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7863 wScore = bScore = 0;
7865 case '+': wScore = 2; break;
7866 case '-': bScore = 2; break;
7867 case '=': wScore = bScore = 1; break;
7869 case '*': return strdup("busy"); // tourney not finished
7877 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7878 for(w=0; w<nPlayers; w++) {
7880 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7881 ranking[w] = b; points[w] = bScore; score[b] = -2;
7883 p = malloc(nPlayers*34+1);
7884 for(w=0; w<nPlayers && w<display; w++)
7885 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7891 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7892 { // count all piece types
7894 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7895 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7896 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7899 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7900 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7901 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7902 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7903 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7904 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7909 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7911 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7912 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7914 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7915 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7916 if(myPawns == 2 && nMine == 3) // KPP
7917 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7918 if(myPawns == 1 && nMine == 2) // KP
7919 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7920 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7921 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7922 if(myPawns) return FALSE;
7923 if(pCnt[WhiteRook+side])
7924 return pCnt[BlackRook-side] ||
7925 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7926 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7927 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7928 if(pCnt[WhiteCannon+side]) {
7929 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7930 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7932 if(pCnt[WhiteKnight+side])
7933 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7938 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7940 VariantClass v = gameInfo.variant;
7942 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7943 if(v == VariantShatranj) return TRUE; // always winnable through baring
7944 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7945 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7947 if(v == VariantXiangqi) {
7948 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7950 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7951 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7952 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7953 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7954 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7955 if(stale) // we have at least one last-rank P plus perhaps C
7956 return majors // KPKX
7957 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7959 return pCnt[WhiteFerz+side] // KCAK
7960 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7961 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7962 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7964 } else if(v == VariantKnightmate) {
7965 if(nMine == 1) return FALSE;
7966 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7967 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7968 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7970 if(nMine == 1) return FALSE; // bare King
7971 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
7972 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7973 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7974 // by now we have King + 1 piece (or multiple Bishops on the same color)
7975 if(pCnt[WhiteKnight+side])
7976 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7977 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7978 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7980 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7981 if(pCnt[WhiteAlfil+side])
7982 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7983 if(pCnt[WhiteWazir+side])
7984 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7991 CompareWithRights (Board b1, Board b2)
7994 if(!CompareBoards(b1, b2)) return FALSE;
7995 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7996 /* compare castling rights */
7997 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7998 rights++; /* King lost rights, while rook still had them */
7999 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8000 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8001 rights++; /* but at least one rook lost them */
8003 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8005 if( b1[CASTLING][5] != NoRights ) {
8006 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8013 Adjudicate (ChessProgramState *cps)
8014 { // [HGM] some adjudications useful with buggy engines
8015 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8016 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8017 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8018 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8019 int k, drop, count = 0; static int bare = 1;
8020 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8021 Boolean canAdjudicate = !appData.icsActive;
8023 // most tests only when we understand the game, i.e. legality-checking on
8024 if( appData.testLegality )
8025 { /* [HGM] Some more adjudications for obstinate engines */
8026 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
8027 static int moveCount = 6;
8029 char *reason = NULL;
8031 /* Count what is on board. */
8032 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8034 /* Some material-based adjudications that have to be made before stalemate test */
8035 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8036 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8037 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8038 if(canAdjudicate && appData.checkMates) {
8040 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8041 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8042 "Xboard adjudication: King destroyed", GE_XBOARD );
8047 /* Bare King in Shatranj (loses) or Losers (wins) */
8048 if( nrW == 1 || nrB == 1) {
8049 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8050 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8051 if(canAdjudicate && appData.checkMates) {
8053 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8054 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8055 "Xboard adjudication: Bare king", GE_XBOARD );
8059 if( gameInfo.variant == VariantShatranj && --bare < 0)
8061 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8062 if(canAdjudicate && appData.checkMates) {
8063 /* but only adjudicate if adjudication enabled */
8065 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8066 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8067 "Xboard adjudication: Bare king", GE_XBOARD );
8074 // don't wait for engine to announce game end if we can judge ourselves
8075 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8077 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8078 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8079 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8080 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8083 reason = "Xboard adjudication: 3rd check";
8084 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8095 reason = "Xboard adjudication: Stalemate";
8096 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8097 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8098 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8099 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8100 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8101 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8102 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8103 EP_CHECKMATE : EP_WINS);
8104 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8105 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8109 reason = "Xboard adjudication: Checkmate";
8110 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8111 if(gameInfo.variant == VariantShogi) {
8112 if(forwardMostMove > backwardMostMove
8113 && moveList[forwardMostMove-1][1] == '@'
8114 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8115 reason = "XBoard adjudication: pawn-drop mate";
8116 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8122 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8124 result = GameIsDrawn; break;
8126 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8128 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8132 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8134 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8135 GameEnds( result, reason, GE_XBOARD );
8139 /* Next absolutely insufficient mating material. */
8140 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8141 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8142 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8144 /* always flag draws, for judging claims */
8145 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8147 if(canAdjudicate && appData.materialDraws) {
8148 /* but only adjudicate them if adjudication enabled */
8149 if(engineOpponent) {
8150 SendToProgram("force\n", engineOpponent); // suppress reply
8151 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8153 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8158 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8159 if(gameInfo.variant == VariantXiangqi ?
8160 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8162 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8163 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8164 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8165 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8167 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8168 { /* if the first 3 moves do not show a tactical win, declare draw */
8169 if(engineOpponent) {
8170 SendToProgram("force\n", engineOpponent); // suppress reply
8171 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8173 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8176 } else moveCount = 6;
8179 // Repetition draws and 50-move rule can be applied independently of legality testing
8181 /* Check for rep-draws */
8183 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8184 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8185 for(k = forwardMostMove-2;
8186 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8187 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8188 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8191 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8192 /* compare castling rights */
8193 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8194 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8195 rights++; /* King lost rights, while rook still had them */
8196 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8197 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8198 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8199 rights++; /* but at least one rook lost them */
8201 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8202 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8204 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8205 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8206 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8209 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8210 && appData.drawRepeats > 1) {
8211 /* adjudicate after user-specified nr of repeats */
8212 int result = GameIsDrawn;
8213 char *details = "XBoard adjudication: repetition draw";
8214 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8215 // [HGM] xiangqi: check for forbidden perpetuals
8216 int m, ourPerpetual = 1, hisPerpetual = 1;
8217 for(m=forwardMostMove; m>k; m-=2) {
8218 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8219 ourPerpetual = 0; // the current mover did not always check
8220 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8221 hisPerpetual = 0; // the opponent did not always check
8223 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8224 ourPerpetual, hisPerpetual);
8225 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8226 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8227 details = "Xboard adjudication: perpetual checking";
8229 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8230 break; // (or we would have caught him before). Abort repetition-checking loop.
8232 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8233 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8235 details = "Xboard adjudication: repetition";
8237 } else // it must be XQ
8238 // Now check for perpetual chases
8239 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8240 hisPerpetual = PerpetualChase(k, forwardMostMove);
8241 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8242 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8243 static char resdet[MSG_SIZ];
8244 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8246 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8248 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8249 break; // Abort repetition-checking loop.
8251 // if neither of us is checking or chasing all the time, or both are, it is draw
8253 if(engineOpponent) {
8254 SendToProgram("force\n", engineOpponent); // suppress reply
8255 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8257 GameEnds( result, details, GE_XBOARD );
8260 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8261 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8265 /* Now we test for 50-move draws. Determine ply count */
8266 count = forwardMostMove;
8267 /* look for last irreversble move */
8268 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8270 /* if we hit starting position, add initial plies */
8271 if( count == backwardMostMove )
8272 count -= initialRulePlies;
8273 count = forwardMostMove - count;
8274 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8275 // adjust reversible move counter for checks in Xiangqi
8276 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8277 if(i < backwardMostMove) i = backwardMostMove;
8278 while(i <= forwardMostMove) {
8279 lastCheck = inCheck; // check evasion does not count
8280 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8281 if(inCheck || lastCheck) count--; // check does not count
8286 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8287 /* this is used to judge if draw claims are legal */
8288 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8289 if(engineOpponent) {
8290 SendToProgram("force\n", engineOpponent); // suppress reply
8291 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8293 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8297 /* if draw offer is pending, treat it as a draw claim
8298 * when draw condition present, to allow engines a way to
8299 * claim draws before making their move to avoid a race
8300 * condition occurring after their move
8302 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8304 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8305 p = "Draw claim: 50-move rule";
8306 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8307 p = "Draw claim: 3-fold repetition";
8308 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8309 p = "Draw claim: insufficient mating material";
8310 if( p != NULL && canAdjudicate) {
8311 if(engineOpponent) {
8312 SendToProgram("force\n", engineOpponent); // suppress reply
8313 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8315 GameEnds( GameIsDrawn, p, GE_XBOARD );
8320 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8321 if(engineOpponent) {
8322 SendToProgram("force\n", engineOpponent); // suppress reply
8323 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8325 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8331 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8332 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8333 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8338 int pieces[10], squares[10], cnt=0, r, f, res;
8340 static PPROBE_EGBB probeBB;
8341 if(!appData.testLegality) return 10;
8342 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8343 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8344 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8345 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8346 ChessSquare piece = boards[forwardMostMove][r][f];
8347 int black = (piece >= BlackPawn);
8348 int type = piece - black*BlackPawn;
8349 if(piece == EmptySquare) continue;
8350 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8351 if(type == WhiteKing) type = WhiteQueen + 1;
8352 type = egbbCode[type];
8353 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8354 pieces[cnt] = type + black*6;
8355 if(++cnt > 5) return 11;
8357 pieces[cnt] = squares[cnt] = 0;
8359 if(loaded == 2) return 13; // loading failed before
8361 loaded = 2; // prepare for failure
8362 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8365 if(!path) return 13; // no egbb installed
8366 strncpy(buf, path + 8, MSG_SIZ);
8367 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8368 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8369 lib = LoadLibrary(buf);
8370 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8371 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8372 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8373 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8374 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8375 loaded = 1; // success!
8377 res = probeBB(forwardMostMove & 1, pieces, squares);
8378 return res > 0 ? 1 : res < 0 ? -1 : 0;
8382 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8383 { // [HGM] book: this routine intercepts moves to simulate book replies
8384 char *bookHit = NULL;
8386 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8388 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8389 SendToProgram(buf, cps);
8391 //first determine if the incoming move brings opponent into his book
8392 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8393 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8394 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8395 if(bookHit != NULL && !cps->bookSuspend) {
8396 // make sure opponent is not going to reply after receiving move to book position
8397 SendToProgram("force\n", cps);
8398 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8400 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8401 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8402 // now arrange restart after book miss
8404 // after a book hit we never send 'go', and the code after the call to this routine
8405 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8406 char buf[MSG_SIZ], *move = bookHit;
8408 int fromX, fromY, toX, toY;
8412 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8413 &fromX, &fromY, &toX, &toY, &promoChar)) {
8414 (void) CoordsToAlgebraic(boards[forwardMostMove],
8415 PosFlags(forwardMostMove),
8416 fromY, fromX, toY, toX, promoChar, move);
8418 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8422 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8423 SendToProgram(buf, cps);
8424 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8425 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8426 SendToProgram("go\n", cps);
8427 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8428 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8429 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8430 SendToProgram("go\n", cps);
8431 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8433 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8437 LoadError (char *errmess, ChessProgramState *cps)
8438 { // unloads engine and switches back to -ncp mode if it was first
8439 if(cps->initDone) return FALSE;
8440 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8441 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8444 appData.noChessProgram = TRUE;
8445 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8446 gameMode = BeginningOfGame; ModeHighlight();
8449 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8450 DisplayMessage("", ""); // erase waiting message
8451 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8456 ChessProgramState *savedState;
8458 DeferredBookMove (void)
8460 if(savedState->lastPing != savedState->lastPong)
8461 ScheduleDelayedEvent(DeferredBookMove, 10);
8463 HandleMachineMove(savedMessage, savedState);
8466 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8467 static ChessProgramState *stalledEngine;
8468 static char stashedInputMove[MSG_SIZ];
8471 HandleMachineMove (char *message, ChessProgramState *cps)
8473 static char firstLeg[20];
8474 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8475 char realname[MSG_SIZ];
8476 int fromX, fromY, toX, toY;
8478 char promoChar, roar;
8480 int machineWhite, oldError;
8483 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8484 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8485 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8486 DisplayError(_("Invalid pairing from pairing engine"), 0);
8489 pairingReceived = 1;
8491 return; // Skim the pairing messages here.
8494 oldError = cps->userError; cps->userError = 0;
8496 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8498 * Kludge to ignore BEL characters
8500 while (*message == '\007') message++;
8503 * [HGM] engine debug message: ignore lines starting with '#' character
8505 if(cps->debug && *message == '#') return;
8508 * Look for book output
8510 if (cps == &first && bookRequested) {
8511 if (message[0] == '\t' || message[0] == ' ') {
8512 /* Part of the book output is here; append it */
8513 strcat(bookOutput, message);
8514 strcat(bookOutput, " \n");
8516 } else if (bookOutput[0] != NULLCHAR) {
8517 /* All of book output has arrived; display it */
8518 char *p = bookOutput;
8519 while (*p != NULLCHAR) {
8520 if (*p == '\t') *p = ' ';
8523 DisplayInformation(bookOutput);
8524 bookRequested = FALSE;
8525 /* Fall through to parse the current output */
8530 * Look for machine move.
8532 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8533 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8535 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8536 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8537 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8538 stalledEngine = cps;
8539 if(appData.ponderNextMove) { // bring opponent out of ponder
8540 if(gameMode == TwoMachinesPlay) {
8541 if(cps->other->pause)
8542 PauseEngine(cps->other);
8544 SendToProgram("easy\n", cps->other);
8551 /* This method is only useful on engines that support ping */
8552 if (cps->lastPing != cps->lastPong) {
8553 if (gameMode == BeginningOfGame) {
8554 /* Extra move from before last new; ignore */
8555 if (appData.debugMode) {
8556 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8559 if (appData.debugMode) {
8560 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8561 cps->which, gameMode);
8564 SendToProgram("undo\n", cps);
8570 case BeginningOfGame:
8571 /* Extra move from before last reset; ignore */
8572 if (appData.debugMode) {
8573 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8580 /* Extra move after we tried to stop. The mode test is
8581 not a reliable way of detecting this problem, but it's
8582 the best we can do on engines that don't support ping.
8584 if (appData.debugMode) {
8585 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8586 cps->which, gameMode);
8588 SendToProgram("undo\n", cps);
8591 case MachinePlaysWhite:
8592 case IcsPlayingWhite:
8593 machineWhite = TRUE;
8596 case MachinePlaysBlack:
8597 case IcsPlayingBlack:
8598 machineWhite = FALSE;
8601 case TwoMachinesPlay:
8602 machineWhite = (cps->twoMachinesColor[0] == 'w');
8605 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8606 if (appData.debugMode) {
8608 "Ignoring move out of turn by %s, gameMode %d"
8609 ", forwardMost %d\n",
8610 cps->which, gameMode, forwardMostMove);
8615 if(cps->alphaRank) AlphaRank(machineMove, 4);
8617 // [HGM] lion: (some very limited) support for Alien protocol
8619 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8620 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8622 } else if(firstLeg[0]) { // there was a previous leg;
8623 // only support case where same piece makes two step (and don't even test that!)
8624 char buf[20], *p = machineMove+1, *q = buf+1, f;
8625 safeStrCpy(buf, machineMove, 20);
8626 while(isdigit(*q)) q++; // find start of to-square
8627 safeStrCpy(machineMove, firstLeg, 20);
8628 while(isdigit(*p)) p++;
8629 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8630 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8631 firstLeg[0] = NULLCHAR;
8634 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8635 &fromX, &fromY, &toX, &toY, &promoChar)) {
8636 /* Machine move could not be parsed; ignore it. */
8637 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8638 machineMove, _(cps->which));
8639 DisplayMoveError(buf1);
8640 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
8641 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
8642 if (gameMode == TwoMachinesPlay) {
8643 GameEnds(machineWhite ? BlackWins : WhiteWins,
8649 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8650 /* So we have to redo legality test with true e.p. status here, */
8651 /* to make sure an illegal e.p. capture does not slip through, */
8652 /* to cause a forfeit on a justified illegal-move complaint */
8653 /* of the opponent. */
8654 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8656 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8657 fromY, fromX, toY, toX, promoChar);
8658 if(moveType == IllegalMove) {
8659 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8660 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8661 GameEnds(machineWhite ? BlackWins : WhiteWins,
8664 } else if(!appData.fischerCastling)
8665 /* [HGM] Kludge to handle engines that send FRC-style castling
8666 when they shouldn't (like TSCP-Gothic) */
8668 case WhiteASideCastleFR:
8669 case BlackASideCastleFR:
8671 currentMoveString[2]++;
8673 case WhiteHSideCastleFR:
8674 case BlackHSideCastleFR:
8676 currentMoveString[2]--;
8678 default: ; // nothing to do, but suppresses warning of pedantic compilers
8681 hintRequested = FALSE;
8682 lastHint[0] = NULLCHAR;
8683 bookRequested = FALSE;
8684 /* Program may be pondering now */
8685 cps->maybeThinking = TRUE;
8686 if (cps->sendTime == 2) cps->sendTime = 1;
8687 if (cps->offeredDraw) cps->offeredDraw--;
8689 /* [AS] Save move info*/
8690 pvInfoList[ forwardMostMove ].score = programStats.score;
8691 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8692 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8694 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8696 /* Test suites abort the 'game' after one move */
8697 if(*appData.finger) {
8699 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8700 if(!f) f = fopen(appData.finger, "w");
8701 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8702 else { DisplayFatalError("Bad output file", errno, 0); return; }
8704 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8707 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8708 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8711 while( count < adjudicateLossPlies ) {
8712 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8715 score = -score; /* Flip score for winning side */
8717 printf("score=%d count=%d\n",score,count);
8718 if( score > appData.adjudicateLossThreshold ) {
8725 if( count >= adjudicateLossPlies ) {
8726 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8728 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8729 "Xboard adjudication",
8736 if(Adjudicate(cps)) {
8737 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8738 return; // [HGM] adjudicate: for all automatic game ends
8742 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8744 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8745 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8747 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8749 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8751 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8752 char buf[3*MSG_SIZ];
8754 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8755 programStats.score / 100.,
8757 programStats.time / 100.,
8758 (unsigned int)programStats.nodes,
8759 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8760 programStats.movelist);
8766 /* [AS] Clear stats for next move */
8767 ClearProgramStats();
8768 thinkOutput[0] = NULLCHAR;
8769 hiddenThinkOutputState = 0;
8772 if (gameMode == TwoMachinesPlay) {
8773 /* [HGM] relaying draw offers moved to after reception of move */
8774 /* and interpreting offer as claim if it brings draw condition */
8775 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8776 SendToProgram("draw\n", cps->other);
8778 if (cps->other->sendTime) {
8779 SendTimeRemaining(cps->other,
8780 cps->other->twoMachinesColor[0] == 'w');
8782 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8783 if (firstMove && !bookHit) {
8785 if (cps->other->useColors) {
8786 SendToProgram(cps->other->twoMachinesColor, cps->other);
8788 SendToProgram("go\n", cps->other);
8790 cps->other->maybeThinking = TRUE;
8793 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8795 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8797 if (!pausing && appData.ringBellAfterMoves) {
8798 if(!roar) RingBell();
8802 * Reenable menu items that were disabled while
8803 * machine was thinking
8805 if (gameMode != TwoMachinesPlay)
8806 SetUserThinkingEnables();
8808 // [HGM] book: after book hit opponent has received move and is now in force mode
8809 // force the book reply into it, and then fake that it outputted this move by jumping
8810 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8812 static char bookMove[MSG_SIZ]; // a bit generous?
8814 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8815 strcat(bookMove, bookHit);
8818 programStats.nodes = programStats.depth = programStats.time =
8819 programStats.score = programStats.got_only_move = 0;
8820 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8822 if(cps->lastPing != cps->lastPong) {
8823 savedMessage = message; // args for deferred call
8825 ScheduleDelayedEvent(DeferredBookMove, 10);
8834 /* Set special modes for chess engines. Later something general
8835 * could be added here; for now there is just one kludge feature,
8836 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8837 * when "xboard" is given as an interactive command.
8839 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8840 cps->useSigint = FALSE;
8841 cps->useSigterm = FALSE;
8843 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8844 ParseFeatures(message+8, cps);
8845 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8848 if (!strncmp(message, "setup ", 6) &&
8849 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8850 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8851 ) { // [HGM] allow first engine to define opening position
8852 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8853 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8855 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8856 if(startedFromSetupPosition) return;
8857 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8859 while(message[s] && message[s++] != ' ');
8860 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8861 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8862 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8863 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8864 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8865 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8868 ParseFEN(boards[0], &dummy, message+s, FALSE);
8869 DrawPosition(TRUE, boards[0]);
8870 startedFromSetupPosition = TRUE;
8873 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8874 * want this, I was asked to put it in, and obliged.
8876 if (!strncmp(message, "setboard ", 9)) {
8877 Board initial_position;
8879 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8881 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8882 DisplayError(_("Bad FEN received from engine"), 0);
8886 CopyBoard(boards[0], initial_position);
8887 initialRulePlies = FENrulePlies;
8888 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8889 else gameMode = MachinePlaysBlack;
8890 DrawPosition(FALSE, boards[currentMove]);
8896 * Look for communication commands
8898 if (!strncmp(message, "telluser ", 9)) {
8899 if(message[9] == '\\' && message[10] == '\\')
8900 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8902 DisplayNote(message + 9);
8905 if (!strncmp(message, "tellusererror ", 14)) {
8907 if(message[14] == '\\' && message[15] == '\\')
8908 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8910 DisplayError(message + 14, 0);
8913 if (!strncmp(message, "tellopponent ", 13)) {
8914 if (appData.icsActive) {
8916 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8920 DisplayNote(message + 13);
8924 if (!strncmp(message, "tellothers ", 11)) {
8925 if (appData.icsActive) {
8927 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8930 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8933 if (!strncmp(message, "tellall ", 8)) {
8934 if (appData.icsActive) {
8936 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8940 DisplayNote(message + 8);
8944 if (strncmp(message, "warning", 7) == 0) {
8945 /* Undocumented feature, use tellusererror in new code */
8946 DisplayError(message, 0);
8949 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8950 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8951 strcat(realname, " query");
8952 AskQuestion(realname, buf2, buf1, cps->pr);
8955 /* Commands from the engine directly to ICS. We don't allow these to be
8956 * sent until we are logged on. Crafty kibitzes have been known to
8957 * interfere with the login process.
8960 if (!strncmp(message, "tellics ", 8)) {
8961 SendToICS(message + 8);
8965 if (!strncmp(message, "tellicsnoalias ", 15)) {
8966 SendToICS(ics_prefix);
8967 SendToICS(message + 15);
8971 /* The following are for backward compatibility only */
8972 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8973 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8974 SendToICS(ics_prefix);
8980 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8981 if(initPing == cps->lastPong) {
8982 if(gameInfo.variant == VariantUnknown) {
8983 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
8984 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
8985 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8991 if(!strncmp(message, "highlight ", 10)) {
8992 if(appData.testLegality && appData.markers) return;
8993 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
8996 if(!strncmp(message, "click ", 6)) {
8997 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
8998 if(appData.testLegality || !appData.oneClick) return;
8999 sscanf(message+6, "%c%d%c", &f, &y, &c);
9000 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9001 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9002 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9003 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9004 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9005 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9006 LeftClick(Release, lastLeftX, lastLeftY);
9007 controlKey = (c == ',');
9008 LeftClick(Press, x, y);
9009 LeftClick(Release, x, y);
9010 first.highlight = f;
9014 * If the move is illegal, cancel it and redraw the board.
9015 * Also deal with other error cases. Matching is rather loose
9016 * here to accommodate engines written before the spec.
9018 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9019 strncmp(message, "Error", 5) == 0) {
9020 if (StrStr(message, "name") ||
9021 StrStr(message, "rating") || StrStr(message, "?") ||
9022 StrStr(message, "result") || StrStr(message, "board") ||
9023 StrStr(message, "bk") || StrStr(message, "computer") ||
9024 StrStr(message, "variant") || StrStr(message, "hint") ||
9025 StrStr(message, "random") || StrStr(message, "depth") ||
9026 StrStr(message, "accepted")) {
9029 if (StrStr(message, "protover")) {
9030 /* Program is responding to input, so it's apparently done
9031 initializing, and this error message indicates it is
9032 protocol version 1. So we don't need to wait any longer
9033 for it to initialize and send feature commands. */
9034 FeatureDone(cps, 1);
9035 cps->protocolVersion = 1;
9038 cps->maybeThinking = FALSE;
9040 if (StrStr(message, "draw")) {
9041 /* Program doesn't have "draw" command */
9042 cps->sendDrawOffers = 0;
9045 if (cps->sendTime != 1 &&
9046 (StrStr(message, "time") || StrStr(message, "otim"))) {
9047 /* Program apparently doesn't have "time" or "otim" command */
9051 if (StrStr(message, "analyze")) {
9052 cps->analysisSupport = FALSE;
9053 cps->analyzing = FALSE;
9054 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9055 EditGameEvent(); // [HGM] try to preserve loaded game
9056 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9057 DisplayError(buf2, 0);
9060 if (StrStr(message, "(no matching move)st")) {
9061 /* Special kludge for GNU Chess 4 only */
9062 cps->stKludge = TRUE;
9063 SendTimeControl(cps, movesPerSession, timeControl,
9064 timeIncrement, appData.searchDepth,
9068 if (StrStr(message, "(no matching move)sd")) {
9069 /* Special kludge for GNU Chess 4 only */
9070 cps->sdKludge = TRUE;
9071 SendTimeControl(cps, movesPerSession, timeControl,
9072 timeIncrement, appData.searchDepth,
9076 if (!StrStr(message, "llegal")) {
9079 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9080 gameMode == IcsIdle) return;
9081 if (forwardMostMove <= backwardMostMove) return;
9082 if (pausing) PauseEvent();
9083 if(appData.forceIllegal) {
9084 // [HGM] illegal: machine refused move; force position after move into it
9085 SendToProgram("force\n", cps);
9086 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9087 // we have a real problem now, as SendBoard will use the a2a3 kludge
9088 // when black is to move, while there might be nothing on a2 or black
9089 // might already have the move. So send the board as if white has the move.
9090 // But first we must change the stm of the engine, as it refused the last move
9091 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9092 if(WhiteOnMove(forwardMostMove)) {
9093 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9094 SendBoard(cps, forwardMostMove); // kludgeless board
9096 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9097 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9098 SendBoard(cps, forwardMostMove+1); // kludgeless board
9100 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9101 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9102 gameMode == TwoMachinesPlay)
9103 SendToProgram("go\n", cps);
9106 if (gameMode == PlayFromGameFile) {
9107 /* Stop reading this game file */
9108 gameMode = EditGame;
9111 /* [HGM] illegal-move claim should forfeit game when Xboard */
9112 /* only passes fully legal moves */
9113 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9114 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9115 "False illegal-move claim", GE_XBOARD );
9116 return; // do not take back move we tested as valid
9118 currentMove = forwardMostMove-1;
9119 DisplayMove(currentMove-1); /* before DisplayMoveError */
9120 SwitchClocks(forwardMostMove-1); // [HGM] race
9121 DisplayBothClocks();
9122 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9123 parseList[currentMove], _(cps->which));
9124 DisplayMoveError(buf1);
9125 DrawPosition(FALSE, boards[currentMove]);
9127 SetUserThinkingEnables();
9130 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9131 /* Program has a broken "time" command that
9132 outputs a string not ending in newline.
9138 * If chess program startup fails, exit with an error message.
9139 * Attempts to recover here are futile. [HGM] Well, we try anyway
9141 if ((StrStr(message, "unknown host") != NULL)
9142 || (StrStr(message, "No remote directory") != NULL)
9143 || (StrStr(message, "not found") != NULL)
9144 || (StrStr(message, "No such file") != NULL)
9145 || (StrStr(message, "can't alloc") != NULL)
9146 || (StrStr(message, "Permission denied") != NULL)) {
9148 cps->maybeThinking = FALSE;
9149 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9150 _(cps->which), cps->program, cps->host, message);
9151 RemoveInputSource(cps->isr);
9152 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9153 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9154 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9160 * Look for hint output
9162 if (sscanf(message, "Hint: %s", buf1) == 1) {
9163 if (cps == &first && hintRequested) {
9164 hintRequested = FALSE;
9165 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9166 &fromX, &fromY, &toX, &toY, &promoChar)) {
9167 (void) CoordsToAlgebraic(boards[forwardMostMove],
9168 PosFlags(forwardMostMove),
9169 fromY, fromX, toY, toX, promoChar, buf1);
9170 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9171 DisplayInformation(buf2);
9173 /* Hint move could not be parsed!? */
9174 snprintf(buf2, sizeof(buf2),
9175 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9176 buf1, _(cps->which));
9177 DisplayError(buf2, 0);
9180 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9186 * Ignore other messages if game is not in progress
9188 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9189 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9192 * look for win, lose, draw, or draw offer
9194 if (strncmp(message, "1-0", 3) == 0) {
9195 char *p, *q, *r = "";
9196 p = strchr(message, '{');
9204 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9206 } else if (strncmp(message, "0-1", 3) == 0) {
9207 char *p, *q, *r = "";
9208 p = strchr(message, '{');
9216 /* Kludge for Arasan 4.1 bug */
9217 if (strcmp(r, "Black resigns") == 0) {
9218 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9221 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9223 } else if (strncmp(message, "1/2", 3) == 0) {
9224 char *p, *q, *r = "";
9225 p = strchr(message, '{');
9234 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9237 } else if (strncmp(message, "White resign", 12) == 0) {
9238 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9240 } else if (strncmp(message, "Black resign", 12) == 0) {
9241 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9243 } else if (strncmp(message, "White matches", 13) == 0 ||
9244 strncmp(message, "Black matches", 13) == 0 ) {
9245 /* [HGM] ignore GNUShogi noises */
9247 } else if (strncmp(message, "White", 5) == 0 &&
9248 message[5] != '(' &&
9249 StrStr(message, "Black") == NULL) {
9250 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9252 } else if (strncmp(message, "Black", 5) == 0 &&
9253 message[5] != '(') {
9254 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9256 } else if (strcmp(message, "resign") == 0 ||
9257 strcmp(message, "computer resigns") == 0) {
9259 case MachinePlaysBlack:
9260 case IcsPlayingBlack:
9261 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9263 case MachinePlaysWhite:
9264 case IcsPlayingWhite:
9265 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9267 case TwoMachinesPlay:
9268 if (cps->twoMachinesColor[0] == 'w')
9269 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9271 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9278 } else if (strncmp(message, "opponent mates", 14) == 0) {
9280 case MachinePlaysBlack:
9281 case IcsPlayingBlack:
9282 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9284 case MachinePlaysWhite:
9285 case IcsPlayingWhite:
9286 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9288 case TwoMachinesPlay:
9289 if (cps->twoMachinesColor[0] == 'w')
9290 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9292 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9299 } else if (strncmp(message, "computer mates", 14) == 0) {
9301 case MachinePlaysBlack:
9302 case IcsPlayingBlack:
9303 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9305 case MachinePlaysWhite:
9306 case IcsPlayingWhite:
9307 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9309 case TwoMachinesPlay:
9310 if (cps->twoMachinesColor[0] == 'w')
9311 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9313 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9320 } else if (strncmp(message, "checkmate", 9) == 0) {
9321 if (WhiteOnMove(forwardMostMove)) {
9322 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9324 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9327 } else if (strstr(message, "Draw") != NULL ||
9328 strstr(message, "game is a draw") != NULL) {
9329 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9331 } else if (strstr(message, "offer") != NULL &&
9332 strstr(message, "draw") != NULL) {
9334 if (appData.zippyPlay && first.initDone) {
9335 /* Relay offer to ICS */
9336 SendToICS(ics_prefix);
9337 SendToICS("draw\n");
9340 cps->offeredDraw = 2; /* valid until this engine moves twice */
9341 if (gameMode == TwoMachinesPlay) {
9342 if (cps->other->offeredDraw) {
9343 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9344 /* [HGM] in two-machine mode we delay relaying draw offer */
9345 /* until after we also have move, to see if it is really claim */
9347 } else if (gameMode == MachinePlaysWhite ||
9348 gameMode == MachinePlaysBlack) {
9349 if (userOfferedDraw) {
9350 DisplayInformation(_("Machine accepts your draw offer"));
9351 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9353 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9360 * Look for thinking output
9362 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9363 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9365 int plylev, mvleft, mvtot, curscore, time;
9366 char mvname[MOVE_LEN];
9370 int prefixHint = FALSE;
9371 mvname[0] = NULLCHAR;
9374 case MachinePlaysBlack:
9375 case IcsPlayingBlack:
9376 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9378 case MachinePlaysWhite:
9379 case IcsPlayingWhite:
9380 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9385 case IcsObserving: /* [DM] icsEngineAnalyze */
9386 if (!appData.icsEngineAnalyze) ignore = TRUE;
9388 case TwoMachinesPlay:
9389 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9399 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9401 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9402 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9404 if (plyext != ' ' && plyext != '\t') {
9408 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9409 if( cps->scoreIsAbsolute &&
9410 ( gameMode == MachinePlaysBlack ||
9411 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9412 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9413 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9414 !WhiteOnMove(currentMove)
9417 curscore = -curscore;
9420 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9422 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9425 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9426 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9427 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9428 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9429 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9430 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9434 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9435 DisplayError(_("failed writing PV"), 0);
9438 tempStats.depth = plylev;
9439 tempStats.nodes = nodes;
9440 tempStats.time = time;
9441 tempStats.score = curscore;
9442 tempStats.got_only_move = 0;
9444 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9447 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9448 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9449 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9450 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9451 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9452 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9453 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9454 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9457 /* Buffer overflow protection */
9458 if (pv[0] != NULLCHAR) {
9459 if (strlen(pv) >= sizeof(tempStats.movelist)
9460 && appData.debugMode) {
9462 "PV is too long; using the first %u bytes.\n",
9463 (unsigned) sizeof(tempStats.movelist) - 1);
9466 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9468 sprintf(tempStats.movelist, " no PV\n");
9471 if (tempStats.seen_stat) {
9472 tempStats.ok_to_send = 1;
9475 if (strchr(tempStats.movelist, '(') != NULL) {
9476 tempStats.line_is_book = 1;
9477 tempStats.nr_moves = 0;
9478 tempStats.moves_left = 0;
9480 tempStats.line_is_book = 0;
9483 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9484 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9486 SendProgramStatsToFrontend( cps, &tempStats );
9489 [AS] Protect the thinkOutput buffer from overflow... this
9490 is only useful if buf1 hasn't overflowed first!
9492 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9494 (gameMode == TwoMachinesPlay ?
9495 ToUpper(cps->twoMachinesColor[0]) : ' '),
9496 ((double) curscore) / 100.0,
9497 prefixHint ? lastHint : "",
9498 prefixHint ? " " : "" );
9500 if( buf1[0] != NULLCHAR ) {
9501 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9503 if( strlen(pv) > max_len ) {
9504 if( appData.debugMode) {
9505 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9507 pv[max_len+1] = '\0';
9510 strcat( thinkOutput, pv);
9513 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9514 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9515 DisplayMove(currentMove - 1);
9519 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9520 /* crafty (9.25+) says "(only move) <move>"
9521 * if there is only 1 legal move
9523 sscanf(p, "(only move) %s", buf1);
9524 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9525 sprintf(programStats.movelist, "%s (only move)", buf1);
9526 programStats.depth = 1;
9527 programStats.nr_moves = 1;
9528 programStats.moves_left = 1;
9529 programStats.nodes = 1;
9530 programStats.time = 1;
9531 programStats.got_only_move = 1;
9533 /* Not really, but we also use this member to
9534 mean "line isn't going to change" (Crafty
9535 isn't searching, so stats won't change) */
9536 programStats.line_is_book = 1;
9538 SendProgramStatsToFrontend( cps, &programStats );
9540 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9541 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9542 DisplayMove(currentMove - 1);
9545 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9546 &time, &nodes, &plylev, &mvleft,
9547 &mvtot, mvname) >= 5) {
9548 /* The stat01: line is from Crafty (9.29+) in response
9549 to the "." command */
9550 programStats.seen_stat = 1;
9551 cps->maybeThinking = TRUE;
9553 if (programStats.got_only_move || !appData.periodicUpdates)
9556 programStats.depth = plylev;
9557 programStats.time = time;
9558 programStats.nodes = nodes;
9559 programStats.moves_left = mvleft;
9560 programStats.nr_moves = mvtot;
9561 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9562 programStats.ok_to_send = 1;
9563 programStats.movelist[0] = '\0';
9565 SendProgramStatsToFrontend( cps, &programStats );
9569 } else if (strncmp(message,"++",2) == 0) {
9570 /* Crafty 9.29+ outputs this */
9571 programStats.got_fail = 2;
9574 } else if (strncmp(message,"--",2) == 0) {
9575 /* Crafty 9.29+ outputs this */
9576 programStats.got_fail = 1;
9579 } else if (thinkOutput[0] != NULLCHAR &&
9580 strncmp(message, " ", 4) == 0) {
9581 unsigned message_len;
9584 while (*p && *p == ' ') p++;
9586 message_len = strlen( p );
9588 /* [AS] Avoid buffer overflow */
9589 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9590 strcat(thinkOutput, " ");
9591 strcat(thinkOutput, p);
9594 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9595 strcat(programStats.movelist, " ");
9596 strcat(programStats.movelist, p);
9599 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9600 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9601 DisplayMove(currentMove - 1);
9609 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9610 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9612 ChessProgramStats cpstats;
9614 if (plyext != ' ' && plyext != '\t') {
9618 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9619 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9620 curscore = -curscore;
9623 cpstats.depth = plylev;
9624 cpstats.nodes = nodes;
9625 cpstats.time = time;
9626 cpstats.score = curscore;
9627 cpstats.got_only_move = 0;
9628 cpstats.movelist[0] = '\0';
9630 if (buf1[0] != NULLCHAR) {
9631 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9634 cpstats.ok_to_send = 0;
9635 cpstats.line_is_book = 0;
9636 cpstats.nr_moves = 0;
9637 cpstats.moves_left = 0;
9639 SendProgramStatsToFrontend( cps, &cpstats );
9646 /* Parse a game score from the character string "game", and
9647 record it as the history of the current game. The game
9648 score is NOT assumed to start from the standard position.
9649 The display is not updated in any way.
9652 ParseGameHistory (char *game)
9655 int fromX, fromY, toX, toY, boardIndex;
9660 if (appData.debugMode)
9661 fprintf(debugFP, "Parsing game history: %s\n", game);
9663 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9664 gameInfo.site = StrSave(appData.icsHost);
9665 gameInfo.date = PGNDate();
9666 gameInfo.round = StrSave("-");
9668 /* Parse out names of players */
9669 while (*game == ' ') game++;
9671 while (*game != ' ') *p++ = *game++;
9673 gameInfo.white = StrSave(buf);
9674 while (*game == ' ') game++;
9676 while (*game != ' ' && *game != '\n') *p++ = *game++;
9678 gameInfo.black = StrSave(buf);
9681 boardIndex = blackPlaysFirst ? 1 : 0;
9684 yyboardindex = boardIndex;
9685 moveType = (ChessMove) Myylex();
9687 case IllegalMove: /* maybe suicide chess, etc. */
9688 if (appData.debugMode) {
9689 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9690 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9691 setbuf(debugFP, NULL);
9693 case WhitePromotion:
9694 case BlackPromotion:
9695 case WhiteNonPromotion:
9696 case BlackNonPromotion:
9699 case WhiteCapturesEnPassant:
9700 case BlackCapturesEnPassant:
9701 case WhiteKingSideCastle:
9702 case WhiteQueenSideCastle:
9703 case BlackKingSideCastle:
9704 case BlackQueenSideCastle:
9705 case WhiteKingSideCastleWild:
9706 case WhiteQueenSideCastleWild:
9707 case BlackKingSideCastleWild:
9708 case BlackQueenSideCastleWild:
9710 case WhiteHSideCastleFR:
9711 case WhiteASideCastleFR:
9712 case BlackHSideCastleFR:
9713 case BlackASideCastleFR:
9715 fromX = currentMoveString[0] - AAA;
9716 fromY = currentMoveString[1] - ONE;
9717 toX = currentMoveString[2] - AAA;
9718 toY = currentMoveString[3] - ONE;
9719 promoChar = currentMoveString[4];
9723 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9724 fromX = moveType == WhiteDrop ?
9725 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9726 (int) CharToPiece(ToLower(currentMoveString[0]));
9728 toX = currentMoveString[2] - AAA;
9729 toY = currentMoveString[3] - ONE;
9730 promoChar = NULLCHAR;
9734 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9735 if (appData.debugMode) {
9736 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9737 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9738 setbuf(debugFP, NULL);
9740 DisplayError(buf, 0);
9742 case ImpossibleMove:
9744 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9745 if (appData.debugMode) {
9746 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9747 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9748 setbuf(debugFP, NULL);
9750 DisplayError(buf, 0);
9753 if (boardIndex < backwardMostMove) {
9754 /* Oops, gap. How did that happen? */
9755 DisplayError(_("Gap in move list"), 0);
9758 backwardMostMove = blackPlaysFirst ? 1 : 0;
9759 if (boardIndex > forwardMostMove) {
9760 forwardMostMove = boardIndex;
9764 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9765 strcat(parseList[boardIndex-1], " ");
9766 strcat(parseList[boardIndex-1], yy_text);
9778 case GameUnfinished:
9779 if (gameMode == IcsExamining) {
9780 if (boardIndex < backwardMostMove) {
9781 /* Oops, gap. How did that happen? */
9784 backwardMostMove = blackPlaysFirst ? 1 : 0;
9787 gameInfo.result = moveType;
9788 p = strchr(yy_text, '{');
9789 if (p == NULL) p = strchr(yy_text, '(');
9792 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9794 q = strchr(p, *p == '{' ? '}' : ')');
9795 if (q != NULL) *q = NULLCHAR;
9798 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9799 gameInfo.resultDetails = StrSave(p);
9802 if (boardIndex >= forwardMostMove &&
9803 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9804 backwardMostMove = blackPlaysFirst ? 1 : 0;
9807 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9808 fromY, fromX, toY, toX, promoChar,
9809 parseList[boardIndex]);
9810 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9811 /* currentMoveString is set as a side-effect of yylex */
9812 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9813 strcat(moveList[boardIndex], "\n");
9815 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9816 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9822 if(!IS_SHOGI(gameInfo.variant))
9823 strcat(parseList[boardIndex - 1], "+");
9827 strcat(parseList[boardIndex - 1], "#");
9834 /* Apply a move to the given board */
9836 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9838 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9839 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9841 /* [HGM] compute & store e.p. status and castling rights for new position */
9842 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9844 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9845 oldEP = (signed char)board[EP_STATUS];
9846 board[EP_STATUS] = EP_NONE;
9848 if (fromY == DROP_RANK) {
9850 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9851 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9854 piece = board[toY][toX] = (ChessSquare) fromX;
9856 // ChessSquare victim;
9859 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9860 // victim = board[killY][killX],
9861 board[killY][killX] = EmptySquare,
9862 board[EP_STATUS] = EP_CAPTURE;
9864 if( board[toY][toX] != EmptySquare ) {
9865 board[EP_STATUS] = EP_CAPTURE;
9866 if( (fromX != toX || fromY != toY) && // not igui!
9867 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9868 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9869 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9873 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9874 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9875 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9877 if( board[fromY][fromX] == WhitePawn ) {
9878 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9879 board[EP_STATUS] = EP_PAWN_MOVE;
9881 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9882 gameInfo.variant != VariantBerolina || toX < fromX)
9883 board[EP_STATUS] = toX | berolina;
9884 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9885 gameInfo.variant != VariantBerolina || toX > fromX)
9886 board[EP_STATUS] = toX;
9889 if( board[fromY][fromX] == BlackPawn ) {
9890 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9891 board[EP_STATUS] = EP_PAWN_MOVE;
9892 if( toY-fromY== -2) {
9893 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9894 gameInfo.variant != VariantBerolina || toX < fromX)
9895 board[EP_STATUS] = toX | berolina;
9896 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9897 gameInfo.variant != VariantBerolina || toX > fromX)
9898 board[EP_STATUS] = toX;
9902 for(i=0; i<nrCastlingRights; i++) {
9903 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9904 board[CASTLING][i] == toX && castlingRank[i] == toY
9905 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9908 if(gameInfo.variant == VariantSChess) { // update virginity
9909 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9910 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9911 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9912 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9915 if (fromX == toX && fromY == toY) return;
9917 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9918 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9919 if(gameInfo.variant == VariantKnightmate)
9920 king += (int) WhiteUnicorn - (int) WhiteKing;
9922 /* Code added by Tord: */
9923 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9924 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9925 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9926 board[fromY][fromX] = EmptySquare;
9927 board[toY][toX] = EmptySquare;
9928 if((toX > fromX) != (piece == WhiteRook)) {
9929 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9931 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9933 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9934 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9935 board[fromY][fromX] = EmptySquare;
9936 board[toY][toX] = EmptySquare;
9937 if((toX > fromX) != (piece == BlackRook)) {
9938 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9940 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9942 /* End of code added by Tord */
9944 } else if (board[fromY][fromX] == king
9945 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9946 && toY == fromY && toX > fromX+1) {
9947 board[fromY][fromX] = EmptySquare;
9948 board[toY][toX] = king;
9949 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9950 board[fromY][BOARD_RGHT-1] = EmptySquare;
9951 } else if (board[fromY][fromX] == king
9952 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9953 && toY == fromY && toX < fromX-1) {
9954 board[fromY][fromX] = EmptySquare;
9955 board[toY][toX] = king;
9956 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9957 board[fromY][BOARD_LEFT] = EmptySquare;
9958 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9959 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
9960 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9962 /* white pawn promotion */
9963 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9964 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9965 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9966 board[fromY][fromX] = EmptySquare;
9967 } else if ((fromY >= BOARD_HEIGHT>>1)
9968 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9970 && gameInfo.variant != VariantXiangqi
9971 && gameInfo.variant != VariantBerolina
9972 && (board[fromY][fromX] == WhitePawn)
9973 && (board[toY][toX] == EmptySquare)) {
9974 board[fromY][fromX] = EmptySquare;
9975 board[toY][toX] = WhitePawn;
9976 captured = board[toY - 1][toX];
9977 board[toY - 1][toX] = EmptySquare;
9978 } else if ((fromY == BOARD_HEIGHT-4)
9980 && gameInfo.variant == VariantBerolina
9981 && (board[fromY][fromX] == WhitePawn)
9982 && (board[toY][toX] == EmptySquare)) {
9983 board[fromY][fromX] = EmptySquare;
9984 board[toY][toX] = WhitePawn;
9985 if(oldEP & EP_BEROLIN_A) {
9986 captured = board[fromY][fromX-1];
9987 board[fromY][fromX-1] = EmptySquare;
9988 }else{ captured = board[fromY][fromX+1];
9989 board[fromY][fromX+1] = EmptySquare;
9991 } else if (board[fromY][fromX] == king
9992 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9993 && toY == fromY && toX > fromX+1) {
9994 board[fromY][fromX] = EmptySquare;
9995 board[toY][toX] = king;
9996 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9997 board[fromY][BOARD_RGHT-1] = EmptySquare;
9998 } else if (board[fromY][fromX] == king
9999 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10000 && toY == fromY && toX < fromX-1) {
10001 board[fromY][fromX] = EmptySquare;
10002 board[toY][toX] = king;
10003 board[toY][toX+1] = board[fromY][BOARD_LEFT];
10004 board[fromY][BOARD_LEFT] = EmptySquare;
10005 } else if (fromY == 7 && fromX == 3
10006 && board[fromY][fromX] == BlackKing
10007 && toY == 7 && toX == 5) {
10008 board[fromY][fromX] = EmptySquare;
10009 board[toY][toX] = BlackKing;
10010 board[fromY][7] = EmptySquare;
10011 board[toY][4] = BlackRook;
10012 } else if (fromY == 7 && fromX == 3
10013 && board[fromY][fromX] == BlackKing
10014 && toY == 7 && toX == 1) {
10015 board[fromY][fromX] = EmptySquare;
10016 board[toY][toX] = BlackKing;
10017 board[fromY][0] = EmptySquare;
10018 board[toY][2] = BlackRook;
10019 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10020 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10021 && toY < promoRank && promoChar
10023 /* black pawn promotion */
10024 board[toY][toX] = CharToPiece(ToLower(promoChar));
10025 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10026 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10027 board[fromY][fromX] = EmptySquare;
10028 } else if ((fromY < BOARD_HEIGHT>>1)
10029 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
10031 && gameInfo.variant != VariantXiangqi
10032 && gameInfo.variant != VariantBerolina
10033 && (board[fromY][fromX] == BlackPawn)
10034 && (board[toY][toX] == EmptySquare)) {
10035 board[fromY][fromX] = EmptySquare;
10036 board[toY][toX] = BlackPawn;
10037 captured = board[toY + 1][toX];
10038 board[toY + 1][toX] = EmptySquare;
10039 } else if ((fromY == 3)
10041 && gameInfo.variant == VariantBerolina
10042 && (board[fromY][fromX] == BlackPawn)
10043 && (board[toY][toX] == EmptySquare)) {
10044 board[fromY][fromX] = EmptySquare;
10045 board[toY][toX] = BlackPawn;
10046 if(oldEP & EP_BEROLIN_A) {
10047 captured = board[fromY][fromX-1];
10048 board[fromY][fromX-1] = EmptySquare;
10049 }else{ captured = board[fromY][fromX+1];
10050 board[fromY][fromX+1] = EmptySquare;
10053 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10054 board[fromY][fromX] = EmptySquare;
10055 board[toY][toX] = piece;
10059 if (gameInfo.holdingsWidth != 0) {
10061 /* !!A lot more code needs to be written to support holdings */
10062 /* [HGM] OK, so I have written it. Holdings are stored in the */
10063 /* penultimate board files, so they are automaticlly stored */
10064 /* in the game history. */
10065 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10066 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10067 /* Delete from holdings, by decreasing count */
10068 /* and erasing image if necessary */
10069 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10070 if(p < (int) BlackPawn) { /* white drop */
10071 p -= (int)WhitePawn;
10072 p = PieceToNumber((ChessSquare)p);
10073 if(p >= gameInfo.holdingsSize) p = 0;
10074 if(--board[p][BOARD_WIDTH-2] <= 0)
10075 board[p][BOARD_WIDTH-1] = EmptySquare;
10076 if((int)board[p][BOARD_WIDTH-2] < 0)
10077 board[p][BOARD_WIDTH-2] = 0;
10078 } else { /* black drop */
10079 p -= (int)BlackPawn;
10080 p = PieceToNumber((ChessSquare)p);
10081 if(p >= gameInfo.holdingsSize) p = 0;
10082 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10083 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10084 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10085 board[BOARD_HEIGHT-1-p][1] = 0;
10088 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10089 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10090 /* [HGM] holdings: Add to holdings, if holdings exist */
10091 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10092 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10093 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10095 p = (int) captured;
10096 if (p >= (int) BlackPawn) {
10097 p -= (int)BlackPawn;
10098 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10099 /* in Shogi restore piece to its original first */
10100 captured = (ChessSquare) (DEMOTED captured);
10103 p = PieceToNumber((ChessSquare)p);
10104 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10105 board[p][BOARD_WIDTH-2]++;
10106 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10108 p -= (int)WhitePawn;
10109 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10110 captured = (ChessSquare) (DEMOTED captured);
10113 p = PieceToNumber((ChessSquare)p);
10114 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10115 board[BOARD_HEIGHT-1-p][1]++;
10116 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10119 } else if (gameInfo.variant == VariantAtomic) {
10120 if (captured != EmptySquare) {
10122 for (y = toY-1; y <= toY+1; y++) {
10123 for (x = toX-1; x <= toX+1; x++) {
10124 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10125 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10126 board[y][x] = EmptySquare;
10130 board[toY][toX] = EmptySquare;
10134 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10135 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10137 if(promoChar == '+') {
10138 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10139 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10140 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10141 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10142 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10143 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10144 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10145 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10146 board[toY][toX] = newPiece;
10148 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10149 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10150 // [HGM] superchess: take promotion piece out of holdings
10151 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10152 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10153 if(!--board[k][BOARD_WIDTH-2])
10154 board[k][BOARD_WIDTH-1] = EmptySquare;
10156 if(!--board[BOARD_HEIGHT-1-k][1])
10157 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10162 /* Updates forwardMostMove */
10164 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10166 int x = toX, y = toY;
10167 char *s = parseList[forwardMostMove];
10168 ChessSquare p = boards[forwardMostMove][toY][toX];
10169 // forwardMostMove++; // [HGM] bare: moved downstream
10171 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10172 (void) CoordsToAlgebraic(boards[forwardMostMove],
10173 PosFlags(forwardMostMove),
10174 fromY, fromX, y, x, promoChar,
10176 if(killX >= 0 && killY >= 0)
10177 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10179 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10180 int timeLeft; static int lastLoadFlag=0; int king, piece;
10181 piece = boards[forwardMostMove][fromY][fromX];
10182 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10183 if(gameInfo.variant == VariantKnightmate)
10184 king += (int) WhiteUnicorn - (int) WhiteKing;
10185 if(forwardMostMove == 0) {
10186 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10187 fprintf(serverMoves, "%s;", UserName());
10188 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10189 fprintf(serverMoves, "%s;", second.tidy);
10190 fprintf(serverMoves, "%s;", first.tidy);
10191 if(gameMode == MachinePlaysWhite)
10192 fprintf(serverMoves, "%s;", UserName());
10193 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10194 fprintf(serverMoves, "%s;", second.tidy);
10195 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10196 lastLoadFlag = loadFlag;
10198 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10199 // print castling suffix
10200 if( toY == fromY && piece == king ) {
10202 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10204 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10207 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10208 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10209 boards[forwardMostMove][toY][toX] == EmptySquare
10210 && fromX != toX && fromY != toY)
10211 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10212 // promotion suffix
10213 if(promoChar != NULLCHAR) {
10214 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10215 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10216 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10217 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10220 char buf[MOVE_LEN*2], *p; int len;
10221 fprintf(serverMoves, "/%d/%d",
10222 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10223 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10224 else timeLeft = blackTimeRemaining/1000;
10225 fprintf(serverMoves, "/%d", timeLeft);
10226 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10227 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10228 if(p = strchr(buf, '=')) *p = NULLCHAR;
10229 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10230 fprintf(serverMoves, "/%s", buf);
10232 fflush(serverMoves);
10235 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10236 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10239 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10240 if (commentList[forwardMostMove+1] != NULL) {
10241 free(commentList[forwardMostMove+1]);
10242 commentList[forwardMostMove+1] = NULL;
10244 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10245 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10246 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10247 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10248 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10249 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10250 adjustedClock = FALSE;
10251 gameInfo.result = GameUnfinished;
10252 if (gameInfo.resultDetails != NULL) {
10253 free(gameInfo.resultDetails);
10254 gameInfo.resultDetails = NULL;
10256 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10257 moveList[forwardMostMove - 1]);
10258 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10264 if(!IS_SHOGI(gameInfo.variant))
10265 strcat(parseList[forwardMostMove - 1], "+");
10269 strcat(parseList[forwardMostMove - 1], "#");
10274 /* Updates currentMove if not pausing */
10276 ShowMove (int fromX, int fromY, int toX, int toY)
10278 int instant = (gameMode == PlayFromGameFile) ?
10279 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10280 if(appData.noGUI) return;
10281 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10283 if (forwardMostMove == currentMove + 1) {
10284 AnimateMove(boards[forwardMostMove - 1],
10285 fromX, fromY, toX, toY);
10288 currentMove = forwardMostMove;
10291 killX = killY = -1; // [HGM] lion: used up
10293 if (instant) return;
10295 DisplayMove(currentMove - 1);
10296 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10297 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10298 SetHighlights(fromX, fromY, toX, toY);
10301 DrawPosition(FALSE, boards[currentMove]);
10302 DisplayBothClocks();
10303 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10307 SendEgtPath (ChessProgramState *cps)
10308 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10309 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10311 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10314 char c, *q = name+1, *r, *s;
10316 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10317 while(*p && *p != ',') *q++ = *p++;
10318 *q++ = ':'; *q = 0;
10319 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10320 strcmp(name, ",nalimov:") == 0 ) {
10321 // take nalimov path from the menu-changeable option first, if it is defined
10322 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10323 SendToProgram(buf,cps); // send egtbpath command for nalimov
10325 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10326 (s = StrStr(appData.egtFormats, name)) != NULL) {
10327 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10328 s = r = StrStr(s, ":") + 1; // beginning of path info
10329 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10330 c = *r; *r = 0; // temporarily null-terminate path info
10331 *--q = 0; // strip of trailig ':' from name
10332 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10334 SendToProgram(buf,cps); // send egtbpath command for this format
10336 if(*p == ',') p++; // read away comma to position for next format name
10341 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10343 int width = 8, height = 8, holdings = 0; // most common sizes
10344 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10345 // correct the deviations default for each variant
10346 if( v == VariantXiangqi ) width = 9, height = 10;
10347 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10348 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10349 if( v == VariantCapablanca || v == VariantCapaRandom ||
10350 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10352 if( v == VariantCourier ) width = 12;
10353 if( v == VariantSuper ) holdings = 8;
10354 if( v == VariantGreat ) width = 10, holdings = 8;
10355 if( v == VariantSChess ) holdings = 7;
10356 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10357 if( v == VariantChuChess) width = 10, height = 10;
10358 if( v == VariantChu ) width = 12, height = 12;
10359 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10360 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10361 holdingsSize >= 0 && holdingsSize != holdings;
10364 char variantError[MSG_SIZ];
10367 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10368 { // returns error message (recognizable by upper-case) if engine does not support the variant
10369 char *p, *variant = VariantName(v);
10370 static char b[MSG_SIZ];
10371 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10372 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10373 holdingsSize, variant); // cook up sized variant name
10374 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10375 if(StrStr(list, b) == NULL) {
10376 // specific sized variant not known, check if general sizing allowed
10377 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10378 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10379 boardWidth, boardHeight, holdingsSize, engine);
10382 /* [HGM] here we really should compare with the maximum supported board size */
10384 } else snprintf(b, MSG_SIZ,"%s", variant);
10385 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10386 p = StrStr(list, b);
10387 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10389 // occurs not at all in list, or only as sub-string
10390 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10391 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10392 int l = strlen(variantError);
10394 while(p != list && p[-1] != ',') p--;
10395 q = strchr(p, ',');
10396 if(q) *q = NULLCHAR;
10397 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10406 InitChessProgram (ChessProgramState *cps, int setup)
10407 /* setup needed to setup FRC opening position */
10409 char buf[MSG_SIZ], *b;
10410 if (appData.noChessProgram) return;
10411 hintRequested = FALSE;
10412 bookRequested = FALSE;
10414 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10415 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10416 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10417 if(cps->memSize) { /* [HGM] memory */
10418 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10419 SendToProgram(buf, cps);
10421 SendEgtPath(cps); /* [HGM] EGT */
10422 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10423 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10424 SendToProgram(buf, cps);
10427 SendToProgram(cps->initString, cps);
10428 if (gameInfo.variant != VariantNormal &&
10429 gameInfo.variant != VariantLoadable
10430 /* [HGM] also send variant if board size non-standard */
10431 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10433 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10434 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10436 DisplayFatalError(variantError, 0, 1);
10440 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10441 SendToProgram(buf, cps);
10443 currentlyInitializedVariant = gameInfo.variant;
10445 /* [HGM] send opening position in FRC to first engine */
10447 SendToProgram("force\n", cps);
10449 /* engine is now in force mode! Set flag to wake it up after first move. */
10450 setboardSpoiledMachineBlack = 1;
10453 if (cps->sendICS) {
10454 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10455 SendToProgram(buf, cps);
10457 cps->maybeThinking = FALSE;
10458 cps->offeredDraw = 0;
10459 if (!appData.icsActive) {
10460 SendTimeControl(cps, movesPerSession, timeControl,
10461 timeIncrement, appData.searchDepth,
10464 if (appData.showThinking
10465 // [HGM] thinking: four options require thinking output to be sent
10466 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10468 SendToProgram("post\n", cps);
10470 SendToProgram("hard\n", cps);
10471 if (!appData.ponderNextMove) {
10472 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10473 it without being sure what state we are in first. "hard"
10474 is not a toggle, so that one is OK.
10476 SendToProgram("easy\n", cps);
10478 if (cps->usePing) {
10479 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10480 SendToProgram(buf, cps);
10482 cps->initDone = TRUE;
10483 ClearEngineOutputPane(cps == &second);
10488 ResendOptions (ChessProgramState *cps)
10489 { // send the stored value of the options
10492 Option *opt = cps->option;
10493 for(i=0; i<cps->nrOptions; i++, opt++) {
10494 switch(opt->type) {
10498 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10501 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10504 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10510 SendToProgram(buf, cps);
10515 StartChessProgram (ChessProgramState *cps)
10520 if (appData.noChessProgram) return;
10521 cps->initDone = FALSE;
10523 if (strcmp(cps->host, "localhost") == 0) {
10524 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10525 } else if (*appData.remoteShell == NULLCHAR) {
10526 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10528 if (*appData.remoteUser == NULLCHAR) {
10529 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10532 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10533 cps->host, appData.remoteUser, cps->program);
10535 err = StartChildProcess(buf, "", &cps->pr);
10539 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10540 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10541 if(cps != &first) return;
10542 appData.noChessProgram = TRUE;
10545 // DisplayFatalError(buf, err, 1);
10546 // cps->pr = NoProc;
10547 // cps->isr = NULL;
10551 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10552 if (cps->protocolVersion > 1) {
10553 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10554 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10555 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10556 cps->comboCnt = 0; // and values of combo boxes
10558 SendToProgram(buf, cps);
10559 if(cps->reload) ResendOptions(cps);
10561 SendToProgram("xboard\n", cps);
10566 TwoMachinesEventIfReady P((void))
10568 static int curMess = 0;
10569 if (first.lastPing != first.lastPong) {
10570 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10571 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10574 if (second.lastPing != second.lastPong) {
10575 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10576 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10579 DisplayMessage("", ""); curMess = 0;
10580 TwoMachinesEvent();
10584 MakeName (char *template)
10588 static char buf[MSG_SIZ];
10592 clock = time((time_t *)NULL);
10593 tm = localtime(&clock);
10595 while(*p++ = *template++) if(p[-1] == '%') {
10596 switch(*template++) {
10597 case 0: *p = 0; return buf;
10598 case 'Y': i = tm->tm_year+1900; break;
10599 case 'y': i = tm->tm_year-100; break;
10600 case 'M': i = tm->tm_mon+1; break;
10601 case 'd': i = tm->tm_mday; break;
10602 case 'h': i = tm->tm_hour; break;
10603 case 'm': i = tm->tm_min; break;
10604 case 's': i = tm->tm_sec; break;
10607 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10613 CountPlayers (char *p)
10616 while(p = strchr(p, '\n')) p++, n++; // count participants
10621 WriteTourneyFile (char *results, FILE *f)
10622 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10623 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10624 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10625 // create a file with tournament description
10626 fprintf(f, "-participants {%s}\n", appData.participants);
10627 fprintf(f, "-seedBase %d\n", appData.seedBase);
10628 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10629 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10630 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10631 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10632 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10633 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10634 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10635 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10636 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10637 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10638 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10639 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10640 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10641 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10642 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10643 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10644 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10645 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10646 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10647 fprintf(f, "-smpCores %d\n", appData.smpCores);
10649 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10651 fprintf(f, "-mps %d\n", appData.movesPerSession);
10652 fprintf(f, "-tc %s\n", appData.timeControl);
10653 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10655 fprintf(f, "-results \"%s\"\n", results);
10660 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10663 Substitute (char *participants, int expunge)
10665 int i, changed, changes=0, nPlayers=0;
10666 char *p, *q, *r, buf[MSG_SIZ];
10667 if(participants == NULL) return;
10668 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10669 r = p = participants; q = appData.participants;
10670 while(*p && *p == *q) {
10671 if(*p == '\n') r = p+1, nPlayers++;
10674 if(*p) { // difference
10675 while(*p && *p++ != '\n');
10676 while(*q && *q++ != '\n');
10677 changed = nPlayers;
10678 changes = 1 + (strcmp(p, q) != 0);
10680 if(changes == 1) { // a single engine mnemonic was changed
10681 q = r; while(*q) nPlayers += (*q++ == '\n');
10682 p = buf; while(*r && (*p = *r++) != '\n') p++;
10684 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10685 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10686 if(mnemonic[i]) { // The substitute is valid
10688 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10689 flock(fileno(f), LOCK_EX);
10690 ParseArgsFromFile(f);
10691 fseek(f, 0, SEEK_SET);
10692 FREE(appData.participants); appData.participants = participants;
10693 if(expunge) { // erase results of replaced engine
10694 int len = strlen(appData.results), w, b, dummy;
10695 for(i=0; i<len; i++) {
10696 Pairing(i, nPlayers, &w, &b, &dummy);
10697 if((w == changed || b == changed) && appData.results[i] == '*') {
10698 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10703 for(i=0; i<len; i++) {
10704 Pairing(i, nPlayers, &w, &b, &dummy);
10705 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10708 WriteTourneyFile(appData.results, f);
10709 fclose(f); // release lock
10712 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10714 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10715 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10716 free(participants);
10721 CheckPlayers (char *participants)
10724 char buf[MSG_SIZ], *p;
10725 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10726 while(p = strchr(participants, '\n')) {
10728 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10730 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10732 DisplayError(buf, 0);
10736 participants = p + 1;
10742 CreateTourney (char *name)
10745 if(matchMode && strcmp(name, appData.tourneyFile)) {
10746 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10748 if(name[0] == NULLCHAR) {
10749 if(appData.participants[0])
10750 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10753 f = fopen(name, "r");
10754 if(f) { // file exists
10755 ASSIGN(appData.tourneyFile, name);
10756 ParseArgsFromFile(f); // parse it
10758 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10759 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10760 DisplayError(_("Not enough participants"), 0);
10763 if(CheckPlayers(appData.participants)) return 0;
10764 ASSIGN(appData.tourneyFile, name);
10765 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10766 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10769 appData.noChessProgram = FALSE;
10770 appData.clockMode = TRUE;
10776 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10778 char buf[MSG_SIZ], *p, *q;
10779 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10780 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10781 skip = !all && group[0]; // if group requested, we start in skip mode
10782 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10783 p = names; q = buf; header = 0;
10784 while(*p && *p != '\n') *q++ = *p++;
10786 if(*p == '\n') p++;
10787 if(buf[0] == '#') {
10788 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10789 depth++; // we must be entering a new group
10790 if(all) continue; // suppress printing group headers when complete list requested
10792 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10794 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10795 if(engineList[i]) free(engineList[i]);
10796 engineList[i] = strdup(buf);
10797 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10798 if(engineMnemonic[i]) free(engineMnemonic[i]);
10799 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10801 sscanf(q + 8, "%s", buf + strlen(buf));
10804 engineMnemonic[i] = strdup(buf);
10807 engineList[i] = engineMnemonic[i] = NULL;
10811 // following implemented as macro to avoid type limitations
10812 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10815 SwapEngines (int n)
10816 { // swap settings for first engine and other engine (so far only some selected options)
10821 SWAP(chessProgram, p)
10823 SWAP(hasOwnBookUCI, h)
10824 SWAP(protocolVersion, h)
10826 SWAP(scoreIsAbsolute, h)
10831 SWAP(engOptions, p)
10832 SWAP(engInitString, p)
10833 SWAP(computerString, p)
10835 SWAP(fenOverride, p)
10837 SWAP(accumulateTC, h)
10843 GetEngineLine (char *s, int n)
10847 extern char *icsNames;
10848 if(!s || !*s) return 0;
10849 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10850 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10851 if(!mnemonic[i]) return 0;
10852 if(n == 11) return 1; // just testing if there was a match
10853 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10854 if(n == 1) SwapEngines(n);
10855 ParseArgsFromString(buf);
10856 if(n == 1) SwapEngines(n);
10857 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10858 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10859 ParseArgsFromString(buf);
10865 SetPlayer (int player, char *p)
10866 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10868 char buf[MSG_SIZ], *engineName;
10869 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10870 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10871 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10873 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10874 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10875 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10876 ParseArgsFromString(buf);
10877 } else { // no engine with this nickname is installed!
10878 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10879 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10880 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10882 DisplayError(buf, 0);
10889 char *recentEngines;
10892 RecentEngineEvent (int nr)
10895 // SwapEngines(1); // bump first to second
10896 // ReplaceEngine(&second, 1); // and load it there
10897 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10898 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10899 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10900 ReplaceEngine(&first, 0);
10901 FloatToFront(&appData.recentEngineList, command[n]);
10906 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10907 { // determine players from game number
10908 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10910 if(appData.tourneyType == 0) {
10911 roundsPerCycle = (nPlayers - 1) | 1;
10912 pairingsPerRound = nPlayers / 2;
10913 } else if(appData.tourneyType > 0) {
10914 roundsPerCycle = nPlayers - appData.tourneyType;
10915 pairingsPerRound = appData.tourneyType;
10917 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10918 gamesPerCycle = gamesPerRound * roundsPerCycle;
10919 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10920 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10921 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10922 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10923 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10924 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10926 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10927 if(appData.roundSync) *syncInterval = gamesPerRound;
10929 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10931 if(appData.tourneyType == 0) {
10932 if(curPairing == (nPlayers-1)/2 ) {
10933 *whitePlayer = curRound;
10934 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10936 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10937 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10938 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10939 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10941 } else if(appData.tourneyType > 1) {
10942 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10943 *whitePlayer = curRound + appData.tourneyType;
10944 } else if(appData.tourneyType > 0) {
10945 *whitePlayer = curPairing;
10946 *blackPlayer = curRound + appData.tourneyType;
10949 // take care of white/black alternation per round.
10950 // For cycles and games this is already taken care of by default, derived from matchGame!
10951 return curRound & 1;
10955 NextTourneyGame (int nr, int *swapColors)
10956 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10958 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10960 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10961 tf = fopen(appData.tourneyFile, "r");
10962 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10963 ParseArgsFromFile(tf); fclose(tf);
10964 InitTimeControls(); // TC might be altered from tourney file
10966 nPlayers = CountPlayers(appData.participants); // count participants
10967 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10968 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10971 p = q = appData.results;
10972 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10973 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10974 DisplayMessage(_("Waiting for other game(s)"),"");
10975 waitingForGame = TRUE;
10976 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10979 waitingForGame = FALSE;
10982 if(appData.tourneyType < 0) {
10983 if(nr>=0 && !pairingReceived) {
10985 if(pairing.pr == NoProc) {
10986 if(!appData.pairingEngine[0]) {
10987 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10990 StartChessProgram(&pairing); // starts the pairing engine
10992 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10993 SendToProgram(buf, &pairing);
10994 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10995 SendToProgram(buf, &pairing);
10996 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10998 pairingReceived = 0; // ... so we continue here
11000 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11001 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11002 matchGame = 1; roundNr = nr / syncInterval + 1;
11005 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11007 // redefine engines, engine dir, etc.
11008 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11009 if(first.pr == NoProc) {
11010 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11011 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11013 if(second.pr == NoProc) {
11015 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11016 SwapEngines(1); // and make that valid for second engine by swapping
11017 InitEngine(&second, 1);
11019 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11020 UpdateLogos(FALSE); // leave display to ModeHiglight()
11026 { // performs game initialization that does not invoke engines, and then tries to start the game
11027 int res, firstWhite, swapColors = 0;
11028 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11029 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
11031 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11032 if(strcmp(buf, currentDebugFile)) { // name has changed
11033 FILE *f = fopen(buf, "w");
11034 if(f) { // if opening the new file failed, just keep using the old one
11035 ASSIGN(currentDebugFile, buf);
11039 if(appData.serverFileName) {
11040 if(serverFP) fclose(serverFP);
11041 serverFP = fopen(appData.serverFileName, "w");
11042 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11043 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11047 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11048 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11049 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11050 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11051 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11052 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11053 Reset(FALSE, first.pr != NoProc);
11054 res = LoadGameOrPosition(matchGame); // setup game
11055 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11056 if(!res) return; // abort when bad game/pos file
11057 TwoMachinesEvent();
11061 UserAdjudicationEvent (int result)
11063 ChessMove gameResult = GameIsDrawn;
11066 gameResult = WhiteWins;
11068 else if( result < 0 ) {
11069 gameResult = BlackWins;
11072 if( gameMode == TwoMachinesPlay ) {
11073 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11078 // [HGM] save: calculate checksum of game to make games easily identifiable
11080 StringCheckSum (char *s)
11083 if(s==NULL) return 0;
11084 while(*s) i = i*259 + *s++;
11092 for(i=backwardMostMove; i<forwardMostMove; i++) {
11093 sum += pvInfoList[i].depth;
11094 sum += StringCheckSum(parseList[i]);
11095 sum += StringCheckSum(commentList[i]);
11098 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11099 return sum + StringCheckSum(commentList[i]);
11100 } // end of save patch
11103 GameEnds (ChessMove result, char *resultDetails, int whosays)
11105 GameMode nextGameMode;
11107 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11109 if(endingGame) return; /* [HGM] crash: forbid recursion */
11111 if(twoBoards) { // [HGM] dual: switch back to one board
11112 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11113 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11115 if (appData.debugMode) {
11116 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11117 result, resultDetails ? resultDetails : "(null)", whosays);
11120 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11122 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11124 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11125 /* If we are playing on ICS, the server decides when the
11126 game is over, but the engine can offer to draw, claim
11130 if (appData.zippyPlay && first.initDone) {
11131 if (result == GameIsDrawn) {
11132 /* In case draw still needs to be claimed */
11133 SendToICS(ics_prefix);
11134 SendToICS("draw\n");
11135 } else if (StrCaseStr(resultDetails, "resign")) {
11136 SendToICS(ics_prefix);
11137 SendToICS("resign\n");
11141 endingGame = 0; /* [HGM] crash */
11145 /* If we're loading the game from a file, stop */
11146 if (whosays == GE_FILE) {
11147 (void) StopLoadGameTimer();
11151 /* Cancel draw offers */
11152 first.offeredDraw = second.offeredDraw = 0;
11154 /* If this is an ICS game, only ICS can really say it's done;
11155 if not, anyone can. */
11156 isIcsGame = (gameMode == IcsPlayingWhite ||
11157 gameMode == IcsPlayingBlack ||
11158 gameMode == IcsObserving ||
11159 gameMode == IcsExamining);
11161 if (!isIcsGame || whosays == GE_ICS) {
11162 /* OK -- not an ICS game, or ICS said it was done */
11164 if (!isIcsGame && !appData.noChessProgram)
11165 SetUserThinkingEnables();
11167 /* [HGM] if a machine claims the game end we verify this claim */
11168 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11169 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11171 ChessMove trueResult = (ChessMove) -1;
11173 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11174 first.twoMachinesColor[0] :
11175 second.twoMachinesColor[0] ;
11177 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11178 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11179 /* [HGM] verify: engine mate claims accepted if they were flagged */
11180 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11182 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11183 /* [HGM] verify: engine mate claims accepted if they were flagged */
11184 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11186 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11187 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11190 // now verify win claims, but not in drop games, as we don't understand those yet
11191 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11192 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11193 (result == WhiteWins && claimer == 'w' ||
11194 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11195 if (appData.debugMode) {
11196 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11197 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11199 if(result != trueResult) {
11200 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11201 result = claimer == 'w' ? BlackWins : WhiteWins;
11202 resultDetails = buf;
11205 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11206 && (forwardMostMove <= backwardMostMove ||
11207 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11208 (claimer=='b')==(forwardMostMove&1))
11210 /* [HGM] verify: draws that were not flagged are false claims */
11211 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11212 result = claimer == 'w' ? BlackWins : WhiteWins;
11213 resultDetails = buf;
11215 /* (Claiming a loss is accepted no questions asked!) */
11216 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11217 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11218 result = GameUnfinished;
11219 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11221 /* [HGM] bare: don't allow bare King to win */
11222 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11223 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11224 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11225 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11226 && result != GameIsDrawn)
11227 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11228 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11229 int p = (signed char)boards[forwardMostMove][i][j] - color;
11230 if(p >= 0 && p <= (int)WhiteKing) k++;
11232 if (appData.debugMode) {
11233 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11234 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11237 result = GameIsDrawn;
11238 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11239 resultDetails = buf;
11245 if(serverMoves != NULL && !loadFlag) { char c = '=';
11246 if(result==WhiteWins) c = '+';
11247 if(result==BlackWins) c = '-';
11248 if(resultDetails != NULL)
11249 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11251 if (resultDetails != NULL) {
11252 gameInfo.result = result;
11253 gameInfo.resultDetails = StrSave(resultDetails);
11255 /* display last move only if game was not loaded from file */
11256 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11257 DisplayMove(currentMove - 1);
11259 if (forwardMostMove != 0) {
11260 if (gameMode != PlayFromGameFile && gameMode != EditGame
11261 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11263 if (*appData.saveGameFile != NULLCHAR) {
11264 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11265 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11267 SaveGameToFile(appData.saveGameFile, TRUE);
11268 } else if (appData.autoSaveGames) {
11269 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11271 if (*appData.savePositionFile != NULLCHAR) {
11272 SavePositionToFile(appData.savePositionFile);
11274 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11278 /* Tell program how game ended in case it is learning */
11279 /* [HGM] Moved this to after saving the PGN, just in case */
11280 /* engine died and we got here through time loss. In that */
11281 /* case we will get a fatal error writing the pipe, which */
11282 /* would otherwise lose us the PGN. */
11283 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11284 /* output during GameEnds should never be fatal anymore */
11285 if (gameMode == MachinePlaysWhite ||
11286 gameMode == MachinePlaysBlack ||
11287 gameMode == TwoMachinesPlay ||
11288 gameMode == IcsPlayingWhite ||
11289 gameMode == IcsPlayingBlack ||
11290 gameMode == BeginningOfGame) {
11292 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11294 if (first.pr != NoProc) {
11295 SendToProgram(buf, &first);
11297 if (second.pr != NoProc &&
11298 gameMode == TwoMachinesPlay) {
11299 SendToProgram(buf, &second);
11304 if (appData.icsActive) {
11305 if (appData.quietPlay &&
11306 (gameMode == IcsPlayingWhite ||
11307 gameMode == IcsPlayingBlack)) {
11308 SendToICS(ics_prefix);
11309 SendToICS("set shout 1\n");
11311 nextGameMode = IcsIdle;
11312 ics_user_moved = FALSE;
11313 /* clean up premove. It's ugly when the game has ended and the
11314 * premove highlights are still on the board.
11317 gotPremove = FALSE;
11318 ClearPremoveHighlights();
11319 DrawPosition(FALSE, boards[currentMove]);
11321 if (whosays == GE_ICS) {
11324 if (gameMode == IcsPlayingWhite)
11326 else if(gameMode == IcsPlayingBlack)
11327 PlayIcsLossSound();
11330 if (gameMode == IcsPlayingBlack)
11332 else if(gameMode == IcsPlayingWhite)
11333 PlayIcsLossSound();
11336 PlayIcsDrawSound();
11339 PlayIcsUnfinishedSound();
11342 if(appData.quitNext) { ExitEvent(0); return; }
11343 } else if (gameMode == EditGame ||
11344 gameMode == PlayFromGameFile ||
11345 gameMode == AnalyzeMode ||
11346 gameMode == AnalyzeFile) {
11347 nextGameMode = gameMode;
11349 nextGameMode = EndOfGame;
11354 nextGameMode = gameMode;
11357 if (appData.noChessProgram) {
11358 gameMode = nextGameMode;
11360 endingGame = 0; /* [HGM] crash */
11365 /* Put first chess program into idle state */
11366 if (first.pr != NoProc &&
11367 (gameMode == MachinePlaysWhite ||
11368 gameMode == MachinePlaysBlack ||
11369 gameMode == TwoMachinesPlay ||
11370 gameMode == IcsPlayingWhite ||
11371 gameMode == IcsPlayingBlack ||
11372 gameMode == BeginningOfGame)) {
11373 SendToProgram("force\n", &first);
11374 if (first.usePing) {
11376 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11377 SendToProgram(buf, &first);
11380 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11381 /* Kill off first chess program */
11382 if (first.isr != NULL)
11383 RemoveInputSource(first.isr);
11386 if (first.pr != NoProc) {
11388 DoSleep( appData.delayBeforeQuit );
11389 SendToProgram("quit\n", &first);
11390 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11391 first.reload = TRUE;
11395 if (second.reuse) {
11396 /* Put second chess program into idle state */
11397 if (second.pr != NoProc &&
11398 gameMode == TwoMachinesPlay) {
11399 SendToProgram("force\n", &second);
11400 if (second.usePing) {
11402 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11403 SendToProgram(buf, &second);
11406 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11407 /* Kill off second chess program */
11408 if (second.isr != NULL)
11409 RemoveInputSource(second.isr);
11412 if (second.pr != NoProc) {
11413 DoSleep( appData.delayBeforeQuit );
11414 SendToProgram("quit\n", &second);
11415 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11416 second.reload = TRUE;
11418 second.pr = NoProc;
11421 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11422 char resChar = '=';
11426 if (first.twoMachinesColor[0] == 'w') {
11429 second.matchWins++;
11434 if (first.twoMachinesColor[0] == 'b') {
11437 second.matchWins++;
11440 case GameUnfinished:
11446 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11447 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11448 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11449 ReserveGame(nextGame, resChar); // sets nextGame
11450 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11451 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11452 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11454 if (nextGame <= appData.matchGames && !abortMatch) {
11455 gameMode = nextGameMode;
11456 matchGame = nextGame; // this will be overruled in tourney mode!
11457 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11458 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11459 endingGame = 0; /* [HGM] crash */
11462 gameMode = nextGameMode;
11463 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11464 first.tidy, second.tidy,
11465 first.matchWins, second.matchWins,
11466 appData.matchGames - (first.matchWins + second.matchWins));
11467 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11468 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11469 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11470 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11471 first.twoMachinesColor = "black\n";
11472 second.twoMachinesColor = "white\n";
11474 first.twoMachinesColor = "white\n";
11475 second.twoMachinesColor = "black\n";
11479 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11480 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11482 gameMode = nextGameMode;
11484 endingGame = 0; /* [HGM] crash */
11485 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11486 if(matchMode == TRUE) { // match through command line: exit with or without popup
11488 ToNrEvent(forwardMostMove);
11489 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11491 } else DisplayFatalError(buf, 0, 0);
11492 } else { // match through menu; just stop, with or without popup
11493 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11496 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11497 } else DisplayNote(buf);
11499 if(ranking) free(ranking);
11503 /* Assumes program was just initialized (initString sent).
11504 Leaves program in force mode. */
11506 FeedMovesToProgram (ChessProgramState *cps, int upto)
11510 if (appData.debugMode)
11511 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11512 startedFromSetupPosition ? "position and " : "",
11513 backwardMostMove, upto, cps->which);
11514 if(currentlyInitializedVariant != gameInfo.variant) {
11516 // [HGM] variantswitch: make engine aware of new variant
11517 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11518 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11519 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11520 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11521 SendToProgram(buf, cps);
11522 currentlyInitializedVariant = gameInfo.variant;
11524 SendToProgram("force\n", cps);
11525 if (startedFromSetupPosition) {
11526 SendBoard(cps, backwardMostMove);
11527 if (appData.debugMode) {
11528 fprintf(debugFP, "feedMoves\n");
11531 for (i = backwardMostMove; i < upto; i++) {
11532 SendMoveToProgram(i, cps);
11538 ResurrectChessProgram ()
11540 /* The chess program may have exited.
11541 If so, restart it and feed it all the moves made so far. */
11542 static int doInit = 0;
11544 if (appData.noChessProgram) return 1;
11546 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11547 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11548 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11549 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11551 if (first.pr != NoProc) return 1;
11552 StartChessProgram(&first);
11554 InitChessProgram(&first, FALSE);
11555 FeedMovesToProgram(&first, currentMove);
11557 if (!first.sendTime) {
11558 /* can't tell gnuchess what its clock should read,
11559 so we bow to its notion. */
11561 timeRemaining[0][currentMove] = whiteTimeRemaining;
11562 timeRemaining[1][currentMove] = blackTimeRemaining;
11565 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11566 appData.icsEngineAnalyze) && first.analysisSupport) {
11567 SendToProgram("analyze\n", &first);
11568 first.analyzing = TRUE;
11574 * Button procedures
11577 Reset (int redraw, int init)
11581 if (appData.debugMode) {
11582 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11583 redraw, init, gameMode);
11585 CleanupTail(); // [HGM] vari: delete any stored variations
11586 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11587 pausing = pauseExamInvalid = FALSE;
11588 startedFromSetupPosition = blackPlaysFirst = FALSE;
11590 whiteFlag = blackFlag = FALSE;
11591 userOfferedDraw = FALSE;
11592 hintRequested = bookRequested = FALSE;
11593 first.maybeThinking = FALSE;
11594 second.maybeThinking = FALSE;
11595 first.bookSuspend = FALSE; // [HGM] book
11596 second.bookSuspend = FALSE;
11597 thinkOutput[0] = NULLCHAR;
11598 lastHint[0] = NULLCHAR;
11599 ClearGameInfo(&gameInfo);
11600 gameInfo.variant = StringToVariant(appData.variant);
11601 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11602 ics_user_moved = ics_clock_paused = FALSE;
11603 ics_getting_history = H_FALSE;
11605 white_holding[0] = black_holding[0] = NULLCHAR;
11606 ClearProgramStats();
11607 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11611 flipView = appData.flipView;
11612 ClearPremoveHighlights();
11613 gotPremove = FALSE;
11614 alarmSounded = FALSE;
11615 killX = killY = -1; // [HGM] lion
11617 GameEnds(EndOfFile, NULL, GE_PLAYER);
11618 if(appData.serverMovesName != NULL) {
11619 /* [HGM] prepare to make moves file for broadcasting */
11620 clock_t t = clock();
11621 if(serverMoves != NULL) fclose(serverMoves);
11622 serverMoves = fopen(appData.serverMovesName, "r");
11623 if(serverMoves != NULL) {
11624 fclose(serverMoves);
11625 /* delay 15 sec before overwriting, so all clients can see end */
11626 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11628 serverMoves = fopen(appData.serverMovesName, "w");
11632 gameMode = BeginningOfGame;
11634 if(appData.icsActive) gameInfo.variant = VariantNormal;
11635 currentMove = forwardMostMove = backwardMostMove = 0;
11636 MarkTargetSquares(1);
11637 InitPosition(redraw);
11638 for (i = 0; i < MAX_MOVES; i++) {
11639 if (commentList[i] != NULL) {
11640 free(commentList[i]);
11641 commentList[i] = NULL;
11645 timeRemaining[0][0] = whiteTimeRemaining;
11646 timeRemaining[1][0] = blackTimeRemaining;
11648 if (first.pr == NoProc) {
11649 StartChessProgram(&first);
11652 InitChessProgram(&first, startedFromSetupPosition);
11655 DisplayMessage("", "");
11656 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11657 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11658 ClearMap(); // [HGM] exclude: invalidate map
11662 AutoPlayGameLoop ()
11665 if (!AutoPlayOneMove())
11667 if (matchMode || appData.timeDelay == 0)
11669 if (appData.timeDelay < 0)
11671 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11679 ReloadGame(1); // next game
11685 int fromX, fromY, toX, toY;
11687 if (appData.debugMode) {
11688 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11691 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11694 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11695 pvInfoList[currentMove].depth = programStats.depth;
11696 pvInfoList[currentMove].score = programStats.score;
11697 pvInfoList[currentMove].time = 0;
11698 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11699 else { // append analysis of final position as comment
11701 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11702 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11704 programStats.depth = 0;
11707 if (currentMove >= forwardMostMove) {
11708 if(gameMode == AnalyzeFile) {
11709 if(appData.loadGameIndex == -1) {
11710 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11711 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11713 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11716 // gameMode = EndOfGame;
11717 // ModeHighlight();
11719 /* [AS] Clear current move marker at the end of a game */
11720 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11725 toX = moveList[currentMove][2] - AAA;
11726 toY = moveList[currentMove][3] - ONE;
11728 if (moveList[currentMove][1] == '@') {
11729 if (appData.highlightLastMove) {
11730 SetHighlights(-1, -1, toX, toY);
11733 fromX = moveList[currentMove][0] - AAA;
11734 fromY = moveList[currentMove][1] - ONE;
11736 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11738 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11740 if (appData.highlightLastMove) {
11741 SetHighlights(fromX, fromY, toX, toY);
11744 DisplayMove(currentMove);
11745 SendMoveToProgram(currentMove++, &first);
11746 DisplayBothClocks();
11747 DrawPosition(FALSE, boards[currentMove]);
11748 // [HGM] PV info: always display, routine tests if empty
11749 DisplayComment(currentMove - 1, commentList[currentMove]);
11755 LoadGameOneMove (ChessMove readAhead)
11757 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11758 char promoChar = NULLCHAR;
11759 ChessMove moveType;
11760 char move[MSG_SIZ];
11763 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11764 gameMode != AnalyzeMode && gameMode != Training) {
11769 yyboardindex = forwardMostMove;
11770 if (readAhead != EndOfFile) {
11771 moveType = readAhead;
11773 if (gameFileFP == NULL)
11775 moveType = (ChessMove) Myylex();
11779 switch (moveType) {
11781 if (appData.debugMode)
11782 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11785 /* append the comment but don't display it */
11786 AppendComment(currentMove, p, FALSE);
11789 case WhiteCapturesEnPassant:
11790 case BlackCapturesEnPassant:
11791 case WhitePromotion:
11792 case BlackPromotion:
11793 case WhiteNonPromotion:
11794 case BlackNonPromotion:
11797 case WhiteKingSideCastle:
11798 case WhiteQueenSideCastle:
11799 case BlackKingSideCastle:
11800 case BlackQueenSideCastle:
11801 case WhiteKingSideCastleWild:
11802 case WhiteQueenSideCastleWild:
11803 case BlackKingSideCastleWild:
11804 case BlackQueenSideCastleWild:
11806 case WhiteHSideCastleFR:
11807 case WhiteASideCastleFR:
11808 case BlackHSideCastleFR:
11809 case BlackASideCastleFR:
11811 if (appData.debugMode)
11812 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11813 fromX = currentMoveString[0] - AAA;
11814 fromY = currentMoveString[1] - ONE;
11815 toX = currentMoveString[2] - AAA;
11816 toY = currentMoveString[3] - ONE;
11817 promoChar = currentMoveString[4];
11818 if(promoChar == ';') promoChar = NULLCHAR;
11823 if (appData.debugMode)
11824 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11825 fromX = moveType == WhiteDrop ?
11826 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11827 (int) CharToPiece(ToLower(currentMoveString[0]));
11829 toX = currentMoveString[2] - AAA;
11830 toY = currentMoveString[3] - ONE;
11836 case GameUnfinished:
11837 if (appData.debugMode)
11838 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11839 p = strchr(yy_text, '{');
11840 if (p == NULL) p = strchr(yy_text, '(');
11843 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11845 q = strchr(p, *p == '{' ? '}' : ')');
11846 if (q != NULL) *q = NULLCHAR;
11849 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11850 GameEnds(moveType, p, GE_FILE);
11852 if (cmailMsgLoaded) {
11854 flipView = WhiteOnMove(currentMove);
11855 if (moveType == GameUnfinished) flipView = !flipView;
11856 if (appData.debugMode)
11857 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11862 if (appData.debugMode)
11863 fprintf(debugFP, "Parser hit end of file\n");
11864 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11870 if (WhiteOnMove(currentMove)) {
11871 GameEnds(BlackWins, "Black mates", GE_FILE);
11873 GameEnds(WhiteWins, "White mates", GE_FILE);
11877 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11883 case MoveNumberOne:
11884 if (lastLoadGameStart == GNUChessGame) {
11885 /* GNUChessGames have numbers, but they aren't move numbers */
11886 if (appData.debugMode)
11887 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11888 yy_text, (int) moveType);
11889 return LoadGameOneMove(EndOfFile); /* tail recursion */
11891 /* else fall thru */
11896 /* Reached start of next game in file */
11897 if (appData.debugMode)
11898 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11899 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11905 if (WhiteOnMove(currentMove)) {
11906 GameEnds(BlackWins, "Black mates", GE_FILE);
11908 GameEnds(WhiteWins, "White mates", GE_FILE);
11912 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11918 case PositionDiagram: /* should not happen; ignore */
11919 case ElapsedTime: /* ignore */
11920 case NAG: /* ignore */
11921 if (appData.debugMode)
11922 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11923 yy_text, (int) moveType);
11924 return LoadGameOneMove(EndOfFile); /* tail recursion */
11927 if (appData.testLegality) {
11928 if (appData.debugMode)
11929 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11930 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11931 (forwardMostMove / 2) + 1,
11932 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11933 DisplayError(move, 0);
11936 if (appData.debugMode)
11937 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11938 yy_text, currentMoveString);
11939 fromX = currentMoveString[0] - AAA;
11940 fromY = currentMoveString[1] - ONE;
11941 toX = currentMoveString[2] - AAA;
11942 toY = currentMoveString[3] - ONE;
11943 promoChar = currentMoveString[4];
11947 case AmbiguousMove:
11948 if (appData.debugMode)
11949 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11950 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11951 (forwardMostMove / 2) + 1,
11952 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11953 DisplayError(move, 0);
11958 case ImpossibleMove:
11959 if (appData.debugMode)
11960 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11961 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11962 (forwardMostMove / 2) + 1,
11963 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11964 DisplayError(move, 0);
11970 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11971 DrawPosition(FALSE, boards[currentMove]);
11972 DisplayBothClocks();
11973 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11974 DisplayComment(currentMove - 1, commentList[currentMove]);
11976 (void) StopLoadGameTimer();
11978 cmailOldMove = forwardMostMove;
11981 /* currentMoveString is set as a side-effect of yylex */
11983 thinkOutput[0] = NULLCHAR;
11984 MakeMove(fromX, fromY, toX, toY, promoChar);
11985 killX = killY = -1; // [HGM] lion: used up
11986 currentMove = forwardMostMove;
11991 /* Load the nth game from the given file */
11993 LoadGameFromFile (char *filename, int n, char *title, int useList)
11998 if (strcmp(filename, "-") == 0) {
12002 f = fopen(filename, "rb");
12004 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12005 DisplayError(buf, errno);
12009 if (fseek(f, 0, 0) == -1) {
12010 /* f is not seekable; probably a pipe */
12013 if (useList && n == 0) {
12014 int error = GameListBuild(f);
12016 DisplayError(_("Cannot build game list"), error);
12017 } else if (!ListEmpty(&gameList) &&
12018 ((ListGame *) gameList.tailPred)->number > 1) {
12019 GameListPopUp(f, title);
12026 return LoadGame(f, n, title, FALSE);
12031 MakeRegisteredMove ()
12033 int fromX, fromY, toX, toY;
12035 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12036 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12039 if (appData.debugMode)
12040 fprintf(debugFP, "Restoring %s for game %d\n",
12041 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12043 thinkOutput[0] = NULLCHAR;
12044 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12045 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12046 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12047 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12048 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12049 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12050 MakeMove(fromX, fromY, toX, toY, promoChar);
12051 ShowMove(fromX, fromY, toX, toY);
12053 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12060 if (WhiteOnMove(currentMove)) {
12061 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12063 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12068 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12075 if (WhiteOnMove(currentMove)) {
12076 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12078 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12083 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12094 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12096 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12100 if (gameNumber > nCmailGames) {
12101 DisplayError(_("No more games in this message"), 0);
12104 if (f == lastLoadGameFP) {
12105 int offset = gameNumber - lastLoadGameNumber;
12107 cmailMsg[0] = NULLCHAR;
12108 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12109 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12110 nCmailMovesRegistered--;
12112 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12113 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12114 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12117 if (! RegisterMove()) return FALSE;
12121 retVal = LoadGame(f, gameNumber, title, useList);
12123 /* Make move registered during previous look at this game, if any */
12124 MakeRegisteredMove();
12126 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12127 commentList[currentMove]
12128 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12129 DisplayComment(currentMove - 1, commentList[currentMove]);
12135 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12137 ReloadGame (int offset)
12139 int gameNumber = lastLoadGameNumber + offset;
12140 if (lastLoadGameFP == NULL) {
12141 DisplayError(_("No game has been loaded yet"), 0);
12144 if (gameNumber <= 0) {
12145 DisplayError(_("Can't back up any further"), 0);
12148 if (cmailMsgLoaded) {
12149 return CmailLoadGame(lastLoadGameFP, gameNumber,
12150 lastLoadGameTitle, lastLoadGameUseList);
12152 return LoadGame(lastLoadGameFP, gameNumber,
12153 lastLoadGameTitle, lastLoadGameUseList);
12157 int keys[EmptySquare+1];
12160 PositionMatches (Board b1, Board b2)
12163 switch(appData.searchMode) {
12164 case 1: return CompareWithRights(b1, b2);
12166 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12167 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12171 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12172 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12173 sum += keys[b1[r][f]] - keys[b2[r][f]];
12177 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12178 sum += keys[b1[r][f]] - keys[b2[r][f]];
12190 int pieceList[256], quickBoard[256];
12191 ChessSquare pieceType[256] = { EmptySquare };
12192 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12193 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12194 int soughtTotal, turn;
12195 Boolean epOK, flipSearch;
12198 unsigned char piece, to;
12201 #define DSIZE (250000)
12203 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12204 Move *moveDatabase = initialSpace;
12205 unsigned int movePtr, dataSize = DSIZE;
12208 MakePieceList (Board board, int *counts)
12210 int r, f, n=Q_PROMO, total=0;
12211 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12212 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12213 int sq = f + (r<<4);
12214 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12215 quickBoard[sq] = ++n;
12217 pieceType[n] = board[r][f];
12218 counts[board[r][f]]++;
12219 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12220 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12224 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12229 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12231 int sq = fromX + (fromY<<4);
12232 int piece = quickBoard[sq], rook;
12233 quickBoard[sq] = 0;
12234 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12235 if(piece == pieceList[1] && fromY == toY) {
12236 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12237 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12238 moveDatabase[movePtr++].piece = Q_WCASTL;
12239 quickBoard[sq] = piece;
12240 piece = quickBoard[from]; quickBoard[from] = 0;
12241 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12242 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12243 quickBoard[sq] = 0; // remove Rook
12244 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12245 moveDatabase[movePtr++].piece = Q_WCASTL;
12246 quickBoard[sq] = pieceList[1]; // put King
12248 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12251 if(piece == pieceList[2] && fromY == toY) {
12252 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12253 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12254 moveDatabase[movePtr++].piece = Q_BCASTL;
12255 quickBoard[sq] = piece;
12256 piece = quickBoard[from]; quickBoard[from] = 0;
12257 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12258 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12259 quickBoard[sq] = 0; // remove Rook
12260 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12261 moveDatabase[movePtr++].piece = Q_BCASTL;
12262 quickBoard[sq] = pieceList[2]; // put King
12264 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12267 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12268 quickBoard[(fromY<<4)+toX] = 0;
12269 moveDatabase[movePtr].piece = Q_EP;
12270 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12271 moveDatabase[movePtr].to = sq;
12273 if(promoPiece != pieceType[piece]) {
12274 moveDatabase[movePtr++].piece = Q_PROMO;
12275 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12277 moveDatabase[movePtr].piece = piece;
12278 quickBoard[sq] = piece;
12283 PackGame (Board board)
12285 Move *newSpace = NULL;
12286 moveDatabase[movePtr].piece = 0; // terminate previous game
12287 if(movePtr > dataSize) {
12288 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12289 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12290 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12293 Move *p = moveDatabase, *q = newSpace;
12294 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12295 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12296 moveDatabase = newSpace;
12297 } else { // calloc failed, we must be out of memory. Too bad...
12298 dataSize = 0; // prevent calloc events for all subsequent games
12299 return 0; // and signal this one isn't cached
12303 MakePieceList(board, counts);
12308 QuickCompare (Board board, int *minCounts, int *maxCounts)
12309 { // compare according to search mode
12311 switch(appData.searchMode)
12313 case 1: // exact position match
12314 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12315 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12316 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12319 case 2: // can have extra material on empty squares
12320 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12321 if(board[r][f] == EmptySquare) continue;
12322 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12325 case 3: // material with exact Pawn structure
12326 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12327 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12328 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12329 } // fall through to material comparison
12330 case 4: // exact material
12331 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12333 case 6: // material range with given imbalance
12334 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12335 // fall through to range comparison
12336 case 5: // material range
12337 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12343 QuickScan (Board board, Move *move)
12344 { // reconstruct game,and compare all positions in it
12345 int cnt=0, stretch=0, total = MakePieceList(board, counts);
12347 int piece = move->piece;
12348 int to = move->to, from = pieceList[piece];
12349 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12350 if(!piece) return -1;
12351 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12352 piece = (++move)->piece;
12353 from = pieceList[piece];
12354 counts[pieceType[piece]]--;
12355 pieceType[piece] = (ChessSquare) move->to;
12356 counts[move->to]++;
12357 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12358 counts[pieceType[quickBoard[to]]]--;
12359 quickBoard[to] = 0; total--;
12362 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12363 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12364 from = pieceList[piece]; // so this must be King
12365 quickBoard[from] = 0;
12366 pieceList[piece] = to;
12367 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12368 quickBoard[from] = 0; // rook
12369 quickBoard[to] = piece;
12370 to = move->to; piece = move->piece;
12374 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12375 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
12376 quickBoard[from] = 0;
12378 quickBoard[to] = piece;
12379 pieceList[piece] = to;
12381 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12382 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12383 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12384 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12386 static int lastCounts[EmptySquare+1];
12388 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12389 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12390 } else stretch = 0;
12391 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
12400 flipSearch = FALSE;
12401 CopyBoard(soughtBoard, boards[currentMove]);
12402 soughtTotal = MakePieceList(soughtBoard, maxSought);
12403 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12404 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12405 CopyBoard(reverseBoard, boards[currentMove]);
12406 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12407 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12408 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12409 reverseBoard[r][f] = piece;
12411 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12412 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12413 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12414 || (boards[currentMove][CASTLING][2] == NoRights ||
12415 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12416 && (boards[currentMove][CASTLING][5] == NoRights ||
12417 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12420 CopyBoard(flipBoard, soughtBoard);
12421 CopyBoard(rotateBoard, reverseBoard);
12422 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12423 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12424 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12427 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12428 if(appData.searchMode >= 5) {
12429 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12430 MakePieceList(soughtBoard, minSought);
12431 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12433 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12434 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12437 GameInfo dummyInfo;
12438 static int creatingBook;
12441 GameContainsPosition (FILE *f, ListGame *lg)
12443 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12444 int fromX, fromY, toX, toY;
12446 static int initDone=FALSE;
12448 // weed out games based on numerical tag comparison
12449 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12450 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12451 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12452 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12454 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12457 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12458 else CopyBoard(boards[scratch], initialPosition); // default start position
12461 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12462 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12465 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12466 fseek(f, lg->offset, 0);
12469 yyboardindex = scratch;
12470 quickFlag = plyNr+1;
12475 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12481 if(plyNr) return -1; // after we have seen moves, this is for new game
12484 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12485 case ImpossibleMove:
12486 case WhiteWins: // game ends here with these four
12489 case GameUnfinished:
12493 if(appData.testLegality) return -1;
12494 case WhiteCapturesEnPassant:
12495 case BlackCapturesEnPassant:
12496 case WhitePromotion:
12497 case BlackPromotion:
12498 case WhiteNonPromotion:
12499 case BlackNonPromotion:
12502 case WhiteKingSideCastle:
12503 case WhiteQueenSideCastle:
12504 case BlackKingSideCastle:
12505 case BlackQueenSideCastle:
12506 case WhiteKingSideCastleWild:
12507 case WhiteQueenSideCastleWild:
12508 case BlackKingSideCastleWild:
12509 case BlackQueenSideCastleWild:
12510 case WhiteHSideCastleFR:
12511 case WhiteASideCastleFR:
12512 case BlackHSideCastleFR:
12513 case BlackASideCastleFR:
12514 fromX = currentMoveString[0] - AAA;
12515 fromY = currentMoveString[1] - ONE;
12516 toX = currentMoveString[2] - AAA;
12517 toY = currentMoveString[3] - ONE;
12518 promoChar = currentMoveString[4];
12522 fromX = next == WhiteDrop ?
12523 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12524 (int) CharToPiece(ToLower(currentMoveString[0]));
12526 toX = currentMoveString[2] - AAA;
12527 toY = currentMoveString[3] - ONE;
12531 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12533 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12534 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12535 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12536 if(appData.findMirror) {
12537 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12538 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12543 /* Load the nth game from open file f */
12545 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12549 int gn = gameNumber;
12550 ListGame *lg = NULL;
12551 int numPGNTags = 0;
12553 GameMode oldGameMode;
12554 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12556 if (appData.debugMode)
12557 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12559 if (gameMode == Training )
12560 SetTrainingModeOff();
12562 oldGameMode = gameMode;
12563 if (gameMode != BeginningOfGame) {
12564 Reset(FALSE, TRUE);
12566 killX = killY = -1; // [HGM] lion: in case we did not Reset
12569 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12570 fclose(lastLoadGameFP);
12574 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12577 fseek(f, lg->offset, 0);
12578 GameListHighlight(gameNumber);
12579 pos = lg->position;
12583 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12584 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12586 DisplayError(_("Game number out of range"), 0);
12591 if (fseek(f, 0, 0) == -1) {
12592 if (f == lastLoadGameFP ?
12593 gameNumber == lastLoadGameNumber + 1 :
12597 DisplayError(_("Can't seek on game file"), 0);
12602 lastLoadGameFP = f;
12603 lastLoadGameNumber = gameNumber;
12604 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12605 lastLoadGameUseList = useList;
12609 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12610 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12611 lg->gameInfo.black);
12613 } else if (*title != NULLCHAR) {
12614 if (gameNumber > 1) {
12615 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12618 DisplayTitle(title);
12622 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12623 gameMode = PlayFromGameFile;
12627 currentMove = forwardMostMove = backwardMostMove = 0;
12628 CopyBoard(boards[0], initialPosition);
12632 * Skip the first gn-1 games in the file.
12633 * Also skip over anything that precedes an identifiable
12634 * start of game marker, to avoid being confused by
12635 * garbage at the start of the file. Currently
12636 * recognized start of game markers are the move number "1",
12637 * the pattern "gnuchess .* game", the pattern
12638 * "^[#;%] [^ ]* game file", and a PGN tag block.
12639 * A game that starts with one of the latter two patterns
12640 * will also have a move number 1, possibly
12641 * following a position diagram.
12642 * 5-4-02: Let's try being more lenient and allowing a game to
12643 * start with an unnumbered move. Does that break anything?
12645 cm = lastLoadGameStart = EndOfFile;
12647 yyboardindex = forwardMostMove;
12648 cm = (ChessMove) Myylex();
12651 if (cmailMsgLoaded) {
12652 nCmailGames = CMAIL_MAX_GAMES - gn;
12655 DisplayError(_("Game not found in file"), 0);
12662 lastLoadGameStart = cm;
12665 case MoveNumberOne:
12666 switch (lastLoadGameStart) {
12671 case MoveNumberOne:
12673 gn--; /* count this game */
12674 lastLoadGameStart = cm;
12683 switch (lastLoadGameStart) {
12686 case MoveNumberOne:
12688 gn--; /* count this game */
12689 lastLoadGameStart = cm;
12692 lastLoadGameStart = cm; /* game counted already */
12700 yyboardindex = forwardMostMove;
12701 cm = (ChessMove) Myylex();
12702 } while (cm == PGNTag || cm == Comment);
12709 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12710 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12711 != CMAIL_OLD_RESULT) {
12713 cmailResult[ CMAIL_MAX_GAMES
12714 - gn - 1] = CMAIL_OLD_RESULT;
12721 /* Only a NormalMove can be at the start of a game
12722 * without a position diagram. */
12723 if (lastLoadGameStart == EndOfFile ) {
12725 lastLoadGameStart = MoveNumberOne;
12734 if (appData.debugMode)
12735 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12737 if (cm == XBoardGame) {
12738 /* Skip any header junk before position diagram and/or move 1 */
12740 yyboardindex = forwardMostMove;
12741 cm = (ChessMove) Myylex();
12743 if (cm == EndOfFile ||
12744 cm == GNUChessGame || cm == XBoardGame) {
12745 /* Empty game; pretend end-of-file and handle later */
12750 if (cm == MoveNumberOne || cm == PositionDiagram ||
12751 cm == PGNTag || cm == Comment)
12754 } else if (cm == GNUChessGame) {
12755 if (gameInfo.event != NULL) {
12756 free(gameInfo.event);
12758 gameInfo.event = StrSave(yy_text);
12761 startedFromSetupPosition = FALSE;
12762 while (cm == PGNTag) {
12763 if (appData.debugMode)
12764 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12765 err = ParsePGNTag(yy_text, &gameInfo);
12766 if (!err) numPGNTags++;
12768 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12769 if(gameInfo.variant != oldVariant) {
12770 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12771 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12772 InitPosition(TRUE);
12773 oldVariant = gameInfo.variant;
12774 if (appData.debugMode)
12775 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12779 if (gameInfo.fen != NULL) {
12780 Board initial_position;
12781 startedFromSetupPosition = TRUE;
12782 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12784 DisplayError(_("Bad FEN position in file"), 0);
12787 CopyBoard(boards[0], initial_position);
12788 if (blackPlaysFirst) {
12789 currentMove = forwardMostMove = backwardMostMove = 1;
12790 CopyBoard(boards[1], initial_position);
12791 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12792 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12793 timeRemaining[0][1] = whiteTimeRemaining;
12794 timeRemaining[1][1] = blackTimeRemaining;
12795 if (commentList[0] != NULL) {
12796 commentList[1] = commentList[0];
12797 commentList[0] = NULL;
12800 currentMove = forwardMostMove = backwardMostMove = 0;
12802 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12804 initialRulePlies = FENrulePlies;
12805 for( i=0; i< nrCastlingRights; i++ )
12806 initialRights[i] = initial_position[CASTLING][i];
12808 yyboardindex = forwardMostMove;
12809 free(gameInfo.fen);
12810 gameInfo.fen = NULL;
12813 yyboardindex = forwardMostMove;
12814 cm = (ChessMove) Myylex();
12816 /* Handle comments interspersed among the tags */
12817 while (cm == Comment) {
12819 if (appData.debugMode)
12820 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12822 AppendComment(currentMove, p, FALSE);
12823 yyboardindex = forwardMostMove;
12824 cm = (ChessMove) Myylex();
12828 /* don't rely on existence of Event tag since if game was
12829 * pasted from clipboard the Event tag may not exist
12831 if (numPGNTags > 0){
12833 if (gameInfo.variant == VariantNormal) {
12834 VariantClass v = StringToVariant(gameInfo.event);
12835 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12836 if(v < VariantShogi) gameInfo.variant = v;
12839 if( appData.autoDisplayTags ) {
12840 tags = PGNTags(&gameInfo);
12841 TagsPopUp(tags, CmailMsg());
12846 /* Make something up, but don't display it now */
12851 if (cm == PositionDiagram) {
12854 Board initial_position;
12856 if (appData.debugMode)
12857 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12859 if (!startedFromSetupPosition) {
12861 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12862 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12873 initial_position[i][j++] = CharToPiece(*p);
12876 while (*p == ' ' || *p == '\t' ||
12877 *p == '\n' || *p == '\r') p++;
12879 if (strncmp(p, "black", strlen("black"))==0)
12880 blackPlaysFirst = TRUE;
12882 blackPlaysFirst = FALSE;
12883 startedFromSetupPosition = TRUE;
12885 CopyBoard(boards[0], initial_position);
12886 if (blackPlaysFirst) {
12887 currentMove = forwardMostMove = backwardMostMove = 1;
12888 CopyBoard(boards[1], initial_position);
12889 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12890 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12891 timeRemaining[0][1] = whiteTimeRemaining;
12892 timeRemaining[1][1] = blackTimeRemaining;
12893 if (commentList[0] != NULL) {
12894 commentList[1] = commentList[0];
12895 commentList[0] = NULL;
12898 currentMove = forwardMostMove = backwardMostMove = 0;
12901 yyboardindex = forwardMostMove;
12902 cm = (ChessMove) Myylex();
12905 if(!creatingBook) {
12906 if (first.pr == NoProc) {
12907 StartChessProgram(&first);
12909 InitChessProgram(&first, FALSE);
12910 SendToProgram("force\n", &first);
12911 if (startedFromSetupPosition) {
12912 SendBoard(&first, forwardMostMove);
12913 if (appData.debugMode) {
12914 fprintf(debugFP, "Load Game\n");
12916 DisplayBothClocks();
12920 /* [HGM] server: flag to write setup moves in broadcast file as one */
12921 loadFlag = appData.suppressLoadMoves;
12923 while (cm == Comment) {
12925 if (appData.debugMode)
12926 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12928 AppendComment(currentMove, p, FALSE);
12929 yyboardindex = forwardMostMove;
12930 cm = (ChessMove) Myylex();
12933 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12934 cm == WhiteWins || cm == BlackWins ||
12935 cm == GameIsDrawn || cm == GameUnfinished) {
12936 DisplayMessage("", _("No moves in game"));
12937 if (cmailMsgLoaded) {
12938 if (appData.debugMode)
12939 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12943 DrawPosition(FALSE, boards[currentMove]);
12944 DisplayBothClocks();
12945 gameMode = EditGame;
12952 // [HGM] PV info: routine tests if comment empty
12953 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12954 DisplayComment(currentMove - 1, commentList[currentMove]);
12956 if (!matchMode && appData.timeDelay != 0)
12957 DrawPosition(FALSE, boards[currentMove]);
12959 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12960 programStats.ok_to_send = 1;
12963 /* if the first token after the PGN tags is a move
12964 * and not move number 1, retrieve it from the parser
12966 if (cm != MoveNumberOne)
12967 LoadGameOneMove(cm);
12969 /* load the remaining moves from the file */
12970 while (LoadGameOneMove(EndOfFile)) {
12971 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12972 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12975 /* rewind to the start of the game */
12976 currentMove = backwardMostMove;
12978 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12980 if (oldGameMode == AnalyzeFile) {
12981 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12982 AnalyzeFileEvent();
12984 if (oldGameMode == AnalyzeMode) {
12985 AnalyzeFileEvent();
12988 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
12989 long int w, b; // [HGM] adjourn: restore saved clock times
12990 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
12991 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
12992 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
12993 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
12997 if(creatingBook) return TRUE;
12998 if (!matchMode && pos > 0) {
12999 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13001 if (matchMode || appData.timeDelay == 0) {
13003 } else if (appData.timeDelay > 0) {
13004 AutoPlayGameLoop();
13007 if (appData.debugMode)
13008 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13010 loadFlag = 0; /* [HGM] true game starts */
13014 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13016 ReloadPosition (int offset)
13018 int positionNumber = lastLoadPositionNumber + offset;
13019 if (lastLoadPositionFP == NULL) {
13020 DisplayError(_("No position has been loaded yet"), 0);
13023 if (positionNumber <= 0) {
13024 DisplayError(_("Can't back up any further"), 0);
13027 return LoadPosition(lastLoadPositionFP, positionNumber,
13028 lastLoadPositionTitle);
13031 /* Load the nth position from the given file */
13033 LoadPositionFromFile (char *filename, int n, char *title)
13038 if (strcmp(filename, "-") == 0) {
13039 return LoadPosition(stdin, n, "stdin");
13041 f = fopen(filename, "rb");
13043 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13044 DisplayError(buf, errno);
13047 return LoadPosition(f, n, title);
13052 /* Load the nth position from the given open file, and close it */
13054 LoadPosition (FILE *f, int positionNumber, char *title)
13056 char *p, line[MSG_SIZ];
13057 Board initial_position;
13058 int i, j, fenMode, pn;
13060 if (gameMode == Training )
13061 SetTrainingModeOff();
13063 if (gameMode != BeginningOfGame) {
13064 Reset(FALSE, TRUE);
13066 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13067 fclose(lastLoadPositionFP);
13069 if (positionNumber == 0) positionNumber = 1;
13070 lastLoadPositionFP = f;
13071 lastLoadPositionNumber = positionNumber;
13072 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13073 if (first.pr == NoProc && !appData.noChessProgram) {
13074 StartChessProgram(&first);
13075 InitChessProgram(&first, FALSE);
13077 pn = positionNumber;
13078 if (positionNumber < 0) {
13079 /* Negative position number means to seek to that byte offset */
13080 if (fseek(f, -positionNumber, 0) == -1) {
13081 DisplayError(_("Can't seek on position file"), 0);
13086 if (fseek(f, 0, 0) == -1) {
13087 if (f == lastLoadPositionFP ?
13088 positionNumber == lastLoadPositionNumber + 1 :
13089 positionNumber == 1) {
13092 DisplayError(_("Can't seek on position file"), 0);
13097 /* See if this file is FEN or old-style xboard */
13098 if (fgets(line, MSG_SIZ, f) == NULL) {
13099 DisplayError(_("Position not found in file"), 0);
13102 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
13103 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
13106 if (fenMode || line[0] == '#') pn--;
13108 /* skip positions before number pn */
13109 if (fgets(line, MSG_SIZ, f) == NULL) {
13111 DisplayError(_("Position not found in file"), 0);
13114 if (fenMode || line[0] == '#') pn--;
13119 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13120 DisplayError(_("Bad FEN position in file"), 0);
13124 (void) fgets(line, MSG_SIZ, f);
13125 (void) fgets(line, MSG_SIZ, f);
13127 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13128 (void) fgets(line, MSG_SIZ, f);
13129 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13132 initial_position[i][j++] = CharToPiece(*p);
13136 blackPlaysFirst = FALSE;
13138 (void) fgets(line, MSG_SIZ, f);
13139 if (strncmp(line, "black", strlen("black"))==0)
13140 blackPlaysFirst = TRUE;
13143 startedFromSetupPosition = TRUE;
13145 CopyBoard(boards[0], initial_position);
13146 if (blackPlaysFirst) {
13147 currentMove = forwardMostMove = backwardMostMove = 1;
13148 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13149 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13150 CopyBoard(boards[1], initial_position);
13151 DisplayMessage("", _("Black to play"));
13153 currentMove = forwardMostMove = backwardMostMove = 0;
13154 DisplayMessage("", _("White to play"));
13156 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13157 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13158 SendToProgram("force\n", &first);
13159 SendBoard(&first, forwardMostMove);
13161 if (appData.debugMode) {
13163 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13164 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13165 fprintf(debugFP, "Load Position\n");
13168 if (positionNumber > 1) {
13169 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13170 DisplayTitle(line);
13172 DisplayTitle(title);
13174 gameMode = EditGame;
13177 timeRemaining[0][1] = whiteTimeRemaining;
13178 timeRemaining[1][1] = blackTimeRemaining;
13179 DrawPosition(FALSE, boards[currentMove]);
13186 CopyPlayerNameIntoFileName (char **dest, char *src)
13188 while (*src != NULLCHAR && *src != ',') {
13193 *(*dest)++ = *src++;
13199 DefaultFileName (char *ext)
13201 static char def[MSG_SIZ];
13204 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13206 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13208 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13210 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13217 /* Save the current game to the given file */
13219 SaveGameToFile (char *filename, int append)
13223 int result, i, t,tot=0;
13225 if (strcmp(filename, "-") == 0) {
13226 return SaveGame(stdout, 0, NULL);
13228 for(i=0; i<10; i++) { // upto 10 tries
13229 f = fopen(filename, append ? "a" : "w");
13230 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13231 if(f || errno != 13) break;
13232 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13236 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13237 DisplayError(buf, errno);
13240 safeStrCpy(buf, lastMsg, MSG_SIZ);
13241 DisplayMessage(_("Waiting for access to save file"), "");
13242 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13243 DisplayMessage(_("Saving game"), "");
13244 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13245 result = SaveGame(f, 0, NULL);
13246 DisplayMessage(buf, "");
13253 SavePart (char *str)
13255 static char buf[MSG_SIZ];
13258 p = strchr(str, ' ');
13259 if (p == NULL) return str;
13260 strncpy(buf, str, p - str);
13261 buf[p - str] = NULLCHAR;
13265 #define PGN_MAX_LINE 75
13267 #define PGN_SIDE_WHITE 0
13268 #define PGN_SIDE_BLACK 1
13271 FindFirstMoveOutOfBook (int side)
13275 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13276 int index = backwardMostMove;
13277 int has_book_hit = 0;
13279 if( (index % 2) != side ) {
13283 while( index < forwardMostMove ) {
13284 /* Check to see if engine is in book */
13285 int depth = pvInfoList[index].depth;
13286 int score = pvInfoList[index].score;
13292 else if( score == 0 && depth == 63 ) {
13293 in_book = 1; /* Zappa */
13295 else if( score == 2 && depth == 99 ) {
13296 in_book = 1; /* Abrok */
13299 has_book_hit += in_book;
13315 GetOutOfBookInfo (char * buf)
13319 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13321 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13322 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13326 if( oob[0] >= 0 || oob[1] >= 0 ) {
13327 for( i=0; i<2; i++ ) {
13331 if( i > 0 && oob[0] >= 0 ) {
13332 strcat( buf, " " );
13335 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13336 sprintf( buf+strlen(buf), "%s%.2f",
13337 pvInfoList[idx].score >= 0 ? "+" : "",
13338 pvInfoList[idx].score / 100.0 );
13344 /* Save game in PGN style and close the file */
13346 SaveGamePGN (FILE *f)
13348 int i, offset, linelen, newblock;
13351 int movelen, numlen, blank;
13352 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13354 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13356 PrintPGNTags(f, &gameInfo);
13358 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13360 if (backwardMostMove > 0 || startedFromSetupPosition) {
13361 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13362 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13363 fprintf(f, "\n{--------------\n");
13364 PrintPosition(f, backwardMostMove);
13365 fprintf(f, "--------------}\n");
13369 /* [AS] Out of book annotation */
13370 if( appData.saveOutOfBookInfo ) {
13373 GetOutOfBookInfo( buf );
13375 if( buf[0] != '\0' ) {
13376 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13383 i = backwardMostMove;
13387 while (i < forwardMostMove) {
13388 /* Print comments preceding this move */
13389 if (commentList[i] != NULL) {
13390 if (linelen > 0) fprintf(f, "\n");
13391 fprintf(f, "%s", commentList[i]);
13396 /* Format move number */
13398 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13401 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13403 numtext[0] = NULLCHAR;
13405 numlen = strlen(numtext);
13408 /* Print move number */
13409 blank = linelen > 0 && numlen > 0;
13410 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13419 fprintf(f, "%s", numtext);
13423 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13424 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13427 blank = linelen > 0 && movelen > 0;
13428 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13437 fprintf(f, "%s", move_buffer);
13438 linelen += movelen;
13440 /* [AS] Add PV info if present */
13441 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13442 /* [HGM] add time */
13443 char buf[MSG_SIZ]; int seconds;
13445 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13451 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13454 seconds = (seconds + 4)/10; // round to full seconds
13456 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13458 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13461 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13462 pvInfoList[i].score >= 0 ? "+" : "",
13463 pvInfoList[i].score / 100.0,
13464 pvInfoList[i].depth,
13467 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13469 /* Print score/depth */
13470 blank = linelen > 0 && movelen > 0;
13471 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13480 fprintf(f, "%s", move_buffer);
13481 linelen += movelen;
13487 /* Start a new line */
13488 if (linelen > 0) fprintf(f, "\n");
13490 /* Print comments after last move */
13491 if (commentList[i] != NULL) {
13492 fprintf(f, "%s\n", commentList[i]);
13496 if (gameInfo.resultDetails != NULL &&
13497 gameInfo.resultDetails[0] != NULLCHAR) {
13498 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13499 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13500 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13501 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13502 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13504 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13508 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13512 /* Save game in old style and close the file */
13514 SaveGameOldStyle (FILE *f)
13519 tm = time((time_t *) NULL);
13521 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13524 if (backwardMostMove > 0 || startedFromSetupPosition) {
13525 fprintf(f, "\n[--------------\n");
13526 PrintPosition(f, backwardMostMove);
13527 fprintf(f, "--------------]\n");
13532 i = backwardMostMove;
13533 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13535 while (i < forwardMostMove) {
13536 if (commentList[i] != NULL) {
13537 fprintf(f, "[%s]\n", commentList[i]);
13540 if ((i % 2) == 1) {
13541 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13544 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13546 if (commentList[i] != NULL) {
13550 if (i >= forwardMostMove) {
13554 fprintf(f, "%s\n", parseList[i]);
13559 if (commentList[i] != NULL) {
13560 fprintf(f, "[%s]\n", commentList[i]);
13563 /* This isn't really the old style, but it's close enough */
13564 if (gameInfo.resultDetails != NULL &&
13565 gameInfo.resultDetails[0] != NULLCHAR) {
13566 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13567 gameInfo.resultDetails);
13569 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13576 /* Save the current game to open file f and close the file */
13578 SaveGame (FILE *f, int dummy, char *dummy2)
13580 if (gameMode == EditPosition) EditPositionDone(TRUE);
13581 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13582 if (appData.oldSaveStyle)
13583 return SaveGameOldStyle(f);
13585 return SaveGamePGN(f);
13588 /* Save the current position to the given file */
13590 SavePositionToFile (char *filename)
13595 if (strcmp(filename, "-") == 0) {
13596 return SavePosition(stdout, 0, NULL);
13598 f = fopen(filename, "a");
13600 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13601 DisplayError(buf, errno);
13604 safeStrCpy(buf, lastMsg, MSG_SIZ);
13605 DisplayMessage(_("Waiting for access to save file"), "");
13606 flock(fileno(f), LOCK_EX); // [HGM] lock
13607 DisplayMessage(_("Saving position"), "");
13608 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13609 SavePosition(f, 0, NULL);
13610 DisplayMessage(buf, "");
13616 /* Save the current position to the given open file and close the file */
13618 SavePosition (FILE *f, int dummy, char *dummy2)
13623 if (gameMode == EditPosition) EditPositionDone(TRUE);
13624 if (appData.oldSaveStyle) {
13625 tm = time((time_t *) NULL);
13627 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13629 fprintf(f, "[--------------\n");
13630 PrintPosition(f, currentMove);
13631 fprintf(f, "--------------]\n");
13633 fen = PositionToFEN(currentMove, NULL, 1);
13634 fprintf(f, "%s\n", fen);
13642 ReloadCmailMsgEvent (int unregister)
13645 static char *inFilename = NULL;
13646 static char *outFilename;
13648 struct stat inbuf, outbuf;
13651 /* Any registered moves are unregistered if unregister is set, */
13652 /* i.e. invoked by the signal handler */
13654 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13655 cmailMoveRegistered[i] = FALSE;
13656 if (cmailCommentList[i] != NULL) {
13657 free(cmailCommentList[i]);
13658 cmailCommentList[i] = NULL;
13661 nCmailMovesRegistered = 0;
13664 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13665 cmailResult[i] = CMAIL_NOT_RESULT;
13669 if (inFilename == NULL) {
13670 /* Because the filenames are static they only get malloced once */
13671 /* and they never get freed */
13672 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13673 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13675 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13676 sprintf(outFilename, "%s.out", appData.cmailGameName);
13679 status = stat(outFilename, &outbuf);
13681 cmailMailedMove = FALSE;
13683 status = stat(inFilename, &inbuf);
13684 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13687 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13688 counts the games, notes how each one terminated, etc.
13690 It would be nice to remove this kludge and instead gather all
13691 the information while building the game list. (And to keep it
13692 in the game list nodes instead of having a bunch of fixed-size
13693 parallel arrays.) Note this will require getting each game's
13694 termination from the PGN tags, as the game list builder does
13695 not process the game moves. --mann
13697 cmailMsgLoaded = TRUE;
13698 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13700 /* Load first game in the file or popup game menu */
13701 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13703 #endif /* !WIN32 */
13711 char string[MSG_SIZ];
13713 if ( cmailMailedMove
13714 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13715 return TRUE; /* Allow free viewing */
13718 /* Unregister move to ensure that we don't leave RegisterMove */
13719 /* with the move registered when the conditions for registering no */
13721 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13722 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13723 nCmailMovesRegistered --;
13725 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13727 free(cmailCommentList[lastLoadGameNumber - 1]);
13728 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13732 if (cmailOldMove == -1) {
13733 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13737 if (currentMove > cmailOldMove + 1) {
13738 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13742 if (currentMove < cmailOldMove) {
13743 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13747 if (forwardMostMove > currentMove) {
13748 /* Silently truncate extra moves */
13752 if ( (currentMove == cmailOldMove + 1)
13753 || ( (currentMove == cmailOldMove)
13754 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13755 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13756 if (gameInfo.result != GameUnfinished) {
13757 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13760 if (commentList[currentMove] != NULL) {
13761 cmailCommentList[lastLoadGameNumber - 1]
13762 = StrSave(commentList[currentMove]);
13764 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13766 if (appData.debugMode)
13767 fprintf(debugFP, "Saving %s for game %d\n",
13768 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13770 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13772 f = fopen(string, "w");
13773 if (appData.oldSaveStyle) {
13774 SaveGameOldStyle(f); /* also closes the file */
13776 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13777 f = fopen(string, "w");
13778 SavePosition(f, 0, NULL); /* also closes the file */
13780 fprintf(f, "{--------------\n");
13781 PrintPosition(f, currentMove);
13782 fprintf(f, "--------------}\n\n");
13784 SaveGame(f, 0, NULL); /* also closes the file*/
13787 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13788 nCmailMovesRegistered ++;
13789 } else if (nCmailGames == 1) {
13790 DisplayError(_("You have not made a move yet"), 0);
13801 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13802 FILE *commandOutput;
13803 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13804 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13810 if (! cmailMsgLoaded) {
13811 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13815 if (nCmailGames == nCmailResults) {
13816 DisplayError(_("No unfinished games"), 0);
13820 #if CMAIL_PROHIBIT_REMAIL
13821 if (cmailMailedMove) {
13822 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);
13823 DisplayError(msg, 0);
13828 if (! (cmailMailedMove || RegisterMove())) return;
13830 if ( cmailMailedMove
13831 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13832 snprintf(string, MSG_SIZ, partCommandString,
13833 appData.debugMode ? " -v" : "", appData.cmailGameName);
13834 commandOutput = popen(string, "r");
13836 if (commandOutput == NULL) {
13837 DisplayError(_("Failed to invoke cmail"), 0);
13839 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13840 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13842 if (nBuffers > 1) {
13843 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13844 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13845 nBytes = MSG_SIZ - 1;
13847 (void) memcpy(msg, buffer, nBytes);
13849 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13851 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13852 cmailMailedMove = TRUE; /* Prevent >1 moves */
13855 for (i = 0; i < nCmailGames; i ++) {
13856 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13861 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13863 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13865 appData.cmailGameName,
13867 LoadGameFromFile(buffer, 1, buffer, FALSE);
13868 cmailMsgLoaded = FALSE;
13872 DisplayInformation(msg);
13873 pclose(commandOutput);
13876 if ((*cmailMsg) != '\0') {
13877 DisplayInformation(cmailMsg);
13882 #endif /* !WIN32 */
13891 int prependComma = 0;
13893 char string[MSG_SIZ]; /* Space for game-list */
13896 if (!cmailMsgLoaded) return "";
13898 if (cmailMailedMove) {
13899 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13901 /* Create a list of games left */
13902 snprintf(string, MSG_SIZ, "[");
13903 for (i = 0; i < nCmailGames; i ++) {
13904 if (! ( cmailMoveRegistered[i]
13905 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13906 if (prependComma) {
13907 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13909 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13913 strcat(string, number);
13916 strcat(string, "]");
13918 if (nCmailMovesRegistered + nCmailResults == 0) {
13919 switch (nCmailGames) {
13921 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13925 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13929 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13934 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13936 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13941 if (nCmailResults == nCmailGames) {
13942 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13944 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13949 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13961 if (gameMode == Training)
13962 SetTrainingModeOff();
13965 cmailMsgLoaded = FALSE;
13966 if (appData.icsActive) {
13967 SendToICS(ics_prefix);
13968 SendToICS("refresh\n");
13973 ExitEvent (int status)
13977 /* Give up on clean exit */
13981 /* Keep trying for clean exit */
13985 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
13986 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13988 if (telnetISR != NULL) {
13989 RemoveInputSource(telnetISR);
13991 if (icsPR != NoProc) {
13992 DestroyChildProcess(icsPR, TRUE);
13995 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13996 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13998 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13999 /* make sure this other one finishes before killing it! */
14000 if(endingGame) { int count = 0;
14001 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14002 while(endingGame && count++ < 10) DoSleep(1);
14003 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14006 /* Kill off chess programs */
14007 if (first.pr != NoProc) {
14010 DoSleep( appData.delayBeforeQuit );
14011 SendToProgram("quit\n", &first);
14012 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14014 if (second.pr != NoProc) {
14015 DoSleep( appData.delayBeforeQuit );
14016 SendToProgram("quit\n", &second);
14017 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14019 if (first.isr != NULL) {
14020 RemoveInputSource(first.isr);
14022 if (second.isr != NULL) {
14023 RemoveInputSource(second.isr);
14026 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14027 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14029 ShutDownFrontEnd();
14034 PauseEngine (ChessProgramState *cps)
14036 SendToProgram("pause\n", cps);
14041 UnPauseEngine (ChessProgramState *cps)
14043 SendToProgram("resume\n", cps);
14050 if (appData.debugMode)
14051 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14055 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14057 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14058 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14059 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14061 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14062 HandleMachineMove(stashedInputMove, stalledEngine);
14063 stalledEngine = NULL;
14066 if (gameMode == MachinePlaysWhite ||
14067 gameMode == TwoMachinesPlay ||
14068 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14069 if(first.pause) UnPauseEngine(&first);
14070 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14071 if(second.pause) UnPauseEngine(&second);
14072 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14075 DisplayBothClocks();
14077 if (gameMode == PlayFromGameFile) {
14078 if (appData.timeDelay >= 0)
14079 AutoPlayGameLoop();
14080 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14081 Reset(FALSE, TRUE);
14082 SendToICS(ics_prefix);
14083 SendToICS("refresh\n");
14084 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14085 ForwardInner(forwardMostMove);
14087 pauseExamInvalid = FALSE;
14089 switch (gameMode) {
14093 pauseExamForwardMostMove = forwardMostMove;
14094 pauseExamInvalid = FALSE;
14097 case IcsPlayingWhite:
14098 case IcsPlayingBlack:
14102 case PlayFromGameFile:
14103 (void) StopLoadGameTimer();
14107 case BeginningOfGame:
14108 if (appData.icsActive) return;
14109 /* else fall through */
14110 case MachinePlaysWhite:
14111 case MachinePlaysBlack:
14112 case TwoMachinesPlay:
14113 if (forwardMostMove == 0)
14114 return; /* don't pause if no one has moved */
14115 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14116 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14117 if(onMove->pause) { // thinking engine can be paused
14118 PauseEngine(onMove); // do it
14119 if(onMove->other->pause) // pondering opponent can always be paused immediately
14120 PauseEngine(onMove->other);
14122 SendToProgram("easy\n", onMove->other);
14124 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14125 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14127 PauseEngine(&first);
14129 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14130 } else { // human on move, pause pondering by either method
14132 PauseEngine(&first);
14133 else if(appData.ponderNextMove)
14134 SendToProgram("easy\n", &first);
14137 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14147 EditCommentEvent ()
14149 char title[MSG_SIZ];
14151 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14152 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14154 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14155 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14156 parseList[currentMove - 1]);
14159 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14166 char *tags = PGNTags(&gameInfo);
14168 EditTagsPopUp(tags, NULL);
14175 if(second.analyzing) {
14176 SendToProgram("exit\n", &second);
14177 second.analyzing = FALSE;
14179 if (second.pr == NoProc) StartChessProgram(&second);
14180 InitChessProgram(&second, FALSE);
14181 FeedMovesToProgram(&second, currentMove);
14183 SendToProgram("analyze\n", &second);
14184 second.analyzing = TRUE;
14188 /* Toggle ShowThinking */
14190 ToggleShowThinking()
14192 appData.showThinking = !appData.showThinking;
14193 ShowThinkingEvent();
14197 AnalyzeModeEvent ()
14201 if (!first.analysisSupport) {
14202 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14203 DisplayError(buf, 0);
14206 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14207 if (appData.icsActive) {
14208 if (gameMode != IcsObserving) {
14209 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14210 DisplayError(buf, 0);
14212 if (appData.icsEngineAnalyze) {
14213 if (appData.debugMode)
14214 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14220 /* if enable, user wants to disable icsEngineAnalyze */
14221 if (appData.icsEngineAnalyze) {
14226 appData.icsEngineAnalyze = TRUE;
14227 if (appData.debugMode)
14228 fprintf(debugFP, "ICS engine analyze starting... \n");
14231 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14232 if (appData.noChessProgram || gameMode == AnalyzeMode)
14235 if (gameMode != AnalyzeFile) {
14236 if (!appData.icsEngineAnalyze) {
14238 if (gameMode != EditGame) return 0;
14240 if (!appData.showThinking) ToggleShowThinking();
14241 ResurrectChessProgram();
14242 SendToProgram("analyze\n", &first);
14243 first.analyzing = TRUE;
14244 /*first.maybeThinking = TRUE;*/
14245 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14246 EngineOutputPopUp();
14248 if (!appData.icsEngineAnalyze) {
14249 gameMode = AnalyzeMode;
14250 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14256 StartAnalysisClock();
14257 GetTimeMark(&lastNodeCountTime);
14263 AnalyzeFileEvent ()
14265 if (appData.noChessProgram || gameMode == AnalyzeFile)
14268 if (!first.analysisSupport) {
14270 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14271 DisplayError(buf, 0);
14275 if (gameMode != AnalyzeMode) {
14276 keepInfo = 1; // mere annotating should not alter PGN tags
14279 if (gameMode != EditGame) return;
14280 if (!appData.showThinking) ToggleShowThinking();
14281 ResurrectChessProgram();
14282 SendToProgram("analyze\n", &first);
14283 first.analyzing = TRUE;
14284 /*first.maybeThinking = TRUE;*/
14285 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14286 EngineOutputPopUp();
14288 gameMode = AnalyzeFile;
14292 StartAnalysisClock();
14293 GetTimeMark(&lastNodeCountTime);
14295 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14296 AnalysisPeriodicEvent(1);
14300 MachineWhiteEvent ()
14303 char *bookHit = NULL;
14305 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14309 if (gameMode == PlayFromGameFile ||
14310 gameMode == TwoMachinesPlay ||
14311 gameMode == Training ||
14312 gameMode == AnalyzeMode ||
14313 gameMode == EndOfGame)
14316 if (gameMode == EditPosition)
14317 EditPositionDone(TRUE);
14319 if (!WhiteOnMove(currentMove)) {
14320 DisplayError(_("It is not White's turn"), 0);
14324 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14327 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14328 gameMode == AnalyzeFile)
14331 ResurrectChessProgram(); /* in case it isn't running */
14332 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14333 gameMode = MachinePlaysWhite;
14336 gameMode = MachinePlaysWhite;
14340 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14342 if (first.sendName) {
14343 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14344 SendToProgram(buf, &first);
14346 if (first.sendTime) {
14347 if (first.useColors) {
14348 SendToProgram("black\n", &first); /*gnu kludge*/
14350 SendTimeRemaining(&first, TRUE);
14352 if (first.useColors) {
14353 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14355 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14356 SetMachineThinkingEnables();
14357 first.maybeThinking = TRUE;
14361 if (appData.autoFlipView && !flipView) {
14362 flipView = !flipView;
14363 DrawPosition(FALSE, NULL);
14364 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14367 if(bookHit) { // [HGM] book: simulate book reply
14368 static char bookMove[MSG_SIZ]; // a bit generous?
14370 programStats.nodes = programStats.depth = programStats.time =
14371 programStats.score = programStats.got_only_move = 0;
14372 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14374 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14375 strcat(bookMove, bookHit);
14376 HandleMachineMove(bookMove, &first);
14381 MachineBlackEvent ()
14384 char *bookHit = NULL;
14386 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14390 if (gameMode == PlayFromGameFile ||
14391 gameMode == TwoMachinesPlay ||
14392 gameMode == Training ||
14393 gameMode == AnalyzeMode ||
14394 gameMode == EndOfGame)
14397 if (gameMode == EditPosition)
14398 EditPositionDone(TRUE);
14400 if (WhiteOnMove(currentMove)) {
14401 DisplayError(_("It is not Black's turn"), 0);
14405 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14408 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14409 gameMode == AnalyzeFile)
14412 ResurrectChessProgram(); /* in case it isn't running */
14413 gameMode = MachinePlaysBlack;
14417 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14419 if (first.sendName) {
14420 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14421 SendToProgram(buf, &first);
14423 if (first.sendTime) {
14424 if (first.useColors) {
14425 SendToProgram("white\n", &first); /*gnu kludge*/
14427 SendTimeRemaining(&first, FALSE);
14429 if (first.useColors) {
14430 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14432 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14433 SetMachineThinkingEnables();
14434 first.maybeThinking = TRUE;
14437 if (appData.autoFlipView && flipView) {
14438 flipView = !flipView;
14439 DrawPosition(FALSE, NULL);
14440 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14442 if(bookHit) { // [HGM] book: simulate book reply
14443 static char bookMove[MSG_SIZ]; // a bit generous?
14445 programStats.nodes = programStats.depth = programStats.time =
14446 programStats.score = programStats.got_only_move = 0;
14447 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14449 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14450 strcat(bookMove, bookHit);
14451 HandleMachineMove(bookMove, &first);
14457 DisplayTwoMachinesTitle ()
14460 if (appData.matchGames > 0) {
14461 if(appData.tourneyFile[0]) {
14462 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14463 gameInfo.white, _("vs."), gameInfo.black,
14464 nextGame+1, appData.matchGames+1,
14465 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14467 if (first.twoMachinesColor[0] == 'w') {
14468 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14469 gameInfo.white, _("vs."), gameInfo.black,
14470 first.matchWins, second.matchWins,
14471 matchGame - 1 - (first.matchWins + second.matchWins));
14473 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14474 gameInfo.white, _("vs."), gameInfo.black,
14475 second.matchWins, first.matchWins,
14476 matchGame - 1 - (first.matchWins + second.matchWins));
14479 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14485 SettingsMenuIfReady ()
14487 if (second.lastPing != second.lastPong) {
14488 DisplayMessage("", _("Waiting for second chess program"));
14489 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14493 DisplayMessage("", "");
14494 SettingsPopUp(&second);
14498 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14501 if (cps->pr == NoProc) {
14502 StartChessProgram(cps);
14503 if (cps->protocolVersion == 1) {
14505 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14507 /* kludge: allow timeout for initial "feature" command */
14508 if(retry != TwoMachinesEventIfReady) FreezeUI();
14509 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14510 DisplayMessage("", buf);
14511 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14519 TwoMachinesEvent P((void))
14523 ChessProgramState *onmove;
14524 char *bookHit = NULL;
14525 static int stalling = 0;
14529 if (appData.noChessProgram) return;
14531 switch (gameMode) {
14532 case TwoMachinesPlay:
14534 case MachinePlaysWhite:
14535 case MachinePlaysBlack:
14536 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14537 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14541 case BeginningOfGame:
14542 case PlayFromGameFile:
14545 if (gameMode != EditGame) return;
14548 EditPositionDone(TRUE);
14559 // forwardMostMove = currentMove;
14560 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14561 startingEngine = TRUE;
14563 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14565 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14566 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14567 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14570 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14572 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14573 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14574 startingEngine = FALSE;
14575 DisplayError("second engine does not play this", 0);
14580 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14581 SendToProgram("force\n", &second);
14583 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14586 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14587 if(appData.matchPause>10000 || appData.matchPause<10)
14588 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14589 wait = SubtractTimeMarks(&now, &pauseStart);
14590 if(wait < appData.matchPause) {
14591 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14594 // we are now committed to starting the game
14596 DisplayMessage("", "");
14597 if (startedFromSetupPosition) {
14598 SendBoard(&second, backwardMostMove);
14599 if (appData.debugMode) {
14600 fprintf(debugFP, "Two Machines\n");
14603 for (i = backwardMostMove; i < forwardMostMove; i++) {
14604 SendMoveToProgram(i, &second);
14607 gameMode = TwoMachinesPlay;
14608 pausing = startingEngine = FALSE;
14609 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14611 DisplayTwoMachinesTitle();
14613 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14618 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14619 SendToProgram(first.computerString, &first);
14620 if (first.sendName) {
14621 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14622 SendToProgram(buf, &first);
14624 SendToProgram(second.computerString, &second);
14625 if (second.sendName) {
14626 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14627 SendToProgram(buf, &second);
14631 if (!first.sendTime || !second.sendTime) {
14632 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14633 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14635 if (onmove->sendTime) {
14636 if (onmove->useColors) {
14637 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14639 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14641 if (onmove->useColors) {
14642 SendToProgram(onmove->twoMachinesColor, onmove);
14644 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14645 // SendToProgram("go\n", onmove);
14646 onmove->maybeThinking = TRUE;
14647 SetMachineThinkingEnables();
14651 if(bookHit) { // [HGM] book: simulate book reply
14652 static char bookMove[MSG_SIZ]; // a bit generous?
14654 programStats.nodes = programStats.depth = programStats.time =
14655 programStats.score = programStats.got_only_move = 0;
14656 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14658 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14659 strcat(bookMove, bookHit);
14660 savedMessage = bookMove; // args for deferred call
14661 savedState = onmove;
14662 ScheduleDelayedEvent(DeferredBookMove, 1);
14669 if (gameMode == Training) {
14670 SetTrainingModeOff();
14671 gameMode = PlayFromGameFile;
14672 DisplayMessage("", _("Training mode off"));
14674 gameMode = Training;
14675 animateTraining = appData.animate;
14677 /* make sure we are not already at the end of the game */
14678 if (currentMove < forwardMostMove) {
14679 SetTrainingModeOn();
14680 DisplayMessage("", _("Training mode on"));
14682 gameMode = PlayFromGameFile;
14683 DisplayError(_("Already at end of game"), 0);
14692 if (!appData.icsActive) return;
14693 switch (gameMode) {
14694 case IcsPlayingWhite:
14695 case IcsPlayingBlack:
14698 case BeginningOfGame:
14706 EditPositionDone(TRUE);
14719 gameMode = IcsIdle;
14729 switch (gameMode) {
14731 SetTrainingModeOff();
14733 case MachinePlaysWhite:
14734 case MachinePlaysBlack:
14735 case BeginningOfGame:
14736 SendToProgram("force\n", &first);
14737 SetUserThinkingEnables();
14739 case PlayFromGameFile:
14740 (void) StopLoadGameTimer();
14741 if (gameFileFP != NULL) {
14746 EditPositionDone(TRUE);
14751 SendToProgram("force\n", &first);
14753 case TwoMachinesPlay:
14754 GameEnds(EndOfFile, NULL, GE_PLAYER);
14755 ResurrectChessProgram();
14756 SetUserThinkingEnables();
14759 ResurrectChessProgram();
14761 case IcsPlayingBlack:
14762 case IcsPlayingWhite:
14763 DisplayError(_("Warning: You are still playing a game"), 0);
14766 DisplayError(_("Warning: You are still observing a game"), 0);
14769 DisplayError(_("Warning: You are still examining a game"), 0);
14780 first.offeredDraw = second.offeredDraw = 0;
14782 if (gameMode == PlayFromGameFile) {
14783 whiteTimeRemaining = timeRemaining[0][currentMove];
14784 blackTimeRemaining = timeRemaining[1][currentMove];
14788 if (gameMode == MachinePlaysWhite ||
14789 gameMode == MachinePlaysBlack ||
14790 gameMode == TwoMachinesPlay ||
14791 gameMode == EndOfGame) {
14792 i = forwardMostMove;
14793 while (i > currentMove) {
14794 SendToProgram("undo\n", &first);
14797 if(!adjustedClock) {
14798 whiteTimeRemaining = timeRemaining[0][currentMove];
14799 blackTimeRemaining = timeRemaining[1][currentMove];
14800 DisplayBothClocks();
14802 if (whiteFlag || blackFlag) {
14803 whiteFlag = blackFlag = 0;
14808 gameMode = EditGame;
14815 EditPositionEvent ()
14817 if (gameMode == EditPosition) {
14823 if (gameMode != EditGame) return;
14825 gameMode = EditPosition;
14828 if (currentMove > 0)
14829 CopyBoard(boards[0], boards[currentMove]);
14831 blackPlaysFirst = !WhiteOnMove(currentMove);
14833 currentMove = forwardMostMove = backwardMostMove = 0;
14834 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14836 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14842 /* [DM] icsEngineAnalyze - possible call from other functions */
14843 if (appData.icsEngineAnalyze) {
14844 appData.icsEngineAnalyze = FALSE;
14846 DisplayMessage("",_("Close ICS engine analyze..."));
14848 if (first.analysisSupport && first.analyzing) {
14849 SendToBoth("exit\n");
14850 first.analyzing = second.analyzing = FALSE;
14852 thinkOutput[0] = NULLCHAR;
14856 EditPositionDone (Boolean fakeRights)
14858 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14860 startedFromSetupPosition = TRUE;
14861 InitChessProgram(&first, FALSE);
14862 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14863 boards[0][EP_STATUS] = EP_NONE;
14864 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14865 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14866 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14867 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14868 } else boards[0][CASTLING][2] = NoRights;
14869 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14870 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14871 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14872 } else boards[0][CASTLING][5] = NoRights;
14873 if(gameInfo.variant == VariantSChess) {
14875 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14876 boards[0][VIRGIN][i] = 0;
14877 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14878 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14882 SendToProgram("force\n", &first);
14883 if (blackPlaysFirst) {
14884 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14885 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14886 currentMove = forwardMostMove = backwardMostMove = 1;
14887 CopyBoard(boards[1], boards[0]);
14889 currentMove = forwardMostMove = backwardMostMove = 0;
14891 SendBoard(&first, forwardMostMove);
14892 if (appData.debugMode) {
14893 fprintf(debugFP, "EditPosDone\n");
14896 DisplayMessage("", "");
14897 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14898 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14899 gameMode = EditGame;
14901 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14902 ClearHighlights(); /* [AS] */
14905 /* Pause for `ms' milliseconds */
14906 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14908 TimeDelay (long ms)
14915 } while (SubtractTimeMarks(&m2, &m1) < ms);
14918 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14920 SendMultiLineToICS (char *buf)
14922 char temp[MSG_SIZ+1], *p;
14929 strncpy(temp, buf, len);
14934 if (*p == '\n' || *p == '\r')
14939 strcat(temp, "\n");
14941 SendToPlayer(temp, strlen(temp));
14945 SetWhiteToPlayEvent ()
14947 if (gameMode == EditPosition) {
14948 blackPlaysFirst = FALSE;
14949 DisplayBothClocks(); /* works because currentMove is 0 */
14950 } else if (gameMode == IcsExamining) {
14951 SendToICS(ics_prefix);
14952 SendToICS("tomove white\n");
14957 SetBlackToPlayEvent ()
14959 if (gameMode == EditPosition) {
14960 blackPlaysFirst = TRUE;
14961 currentMove = 1; /* kludge */
14962 DisplayBothClocks();
14964 } else if (gameMode == IcsExamining) {
14965 SendToICS(ics_prefix);
14966 SendToICS("tomove black\n");
14971 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14974 ChessSquare piece = boards[0][y][x];
14975 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
14976 static int lastVariant;
14978 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14980 switch (selection) {
14982 CopyBoard(currentBoard, boards[0]);
14983 CopyBoard(menuBoard, initialPosition);
14984 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14985 SendToICS(ics_prefix);
14986 SendToICS("bsetup clear\n");
14987 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14988 SendToICS(ics_prefix);
14989 SendToICS("clearboard\n");
14992 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14993 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14994 for (y = 0; y < BOARD_HEIGHT; y++) {
14995 if (gameMode == IcsExamining) {
14996 if (boards[currentMove][y][x] != EmptySquare) {
14997 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15002 if(boards[0][y][x] != p) nonEmpty++;
15003 boards[0][y][x] = p;
15006 menuBoard[1][x] = menuBoard[BOARD_HEIGHT-2][x] = p;
15008 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15009 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15010 ChessSquare p = menuBoard[0][x];
15011 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[0][y] == p) menuBoard[0][y] = EmptySquare;
15012 p = menuBoard[BOARD_HEIGHT-1][x];
15013 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[BOARD_HEIGHT-1][y] == p) menuBoard[BOARD_HEIGHT-1][y] = EmptySquare;
15015 DisplayMessage("Clicking clock again restores position", "");
15016 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15017 if(!nonEmpty) { // asked to clear an empty board
15018 CopyBoard(boards[0], menuBoard);
15020 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15021 CopyBoard(boards[0], initialPosition);
15023 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15024 && !CompareBoards(nullBoard, erasedBoard)) {
15025 CopyBoard(boards[0], erasedBoard);
15027 CopyBoard(erasedBoard, currentBoard);
15031 if (gameMode == EditPosition) {
15032 DrawPosition(FALSE, boards[0]);
15037 SetWhiteToPlayEvent();
15041 SetBlackToPlayEvent();
15045 if (gameMode == IcsExamining) {
15046 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15047 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15050 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15051 if(x == BOARD_LEFT-2) {
15052 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15053 boards[0][y][1] = 0;
15055 if(x == BOARD_RGHT+1) {
15056 if(y >= gameInfo.holdingsSize) break;
15057 boards[0][y][BOARD_WIDTH-2] = 0;
15060 boards[0][y][x] = EmptySquare;
15061 DrawPosition(FALSE, boards[0]);
15066 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15067 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15068 selection = (ChessSquare) (PROMOTED piece);
15069 } else if(piece == EmptySquare) selection = WhiteSilver;
15070 else selection = (ChessSquare)((int)piece - 1);
15074 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15075 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15076 selection = (ChessSquare) (DEMOTED piece);
15077 } else if(piece == EmptySquare) selection = BlackSilver;
15078 else selection = (ChessSquare)((int)piece + 1);
15083 if(gameInfo.variant == VariantShatranj ||
15084 gameInfo.variant == VariantXiangqi ||
15085 gameInfo.variant == VariantCourier ||
15086 gameInfo.variant == VariantASEAN ||
15087 gameInfo.variant == VariantMakruk )
15088 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15093 if(gameInfo.variant == VariantXiangqi)
15094 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15095 if(gameInfo.variant == VariantKnightmate)
15096 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15099 if (gameMode == IcsExamining) {
15100 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15101 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15102 PieceToChar(selection), AAA + x, ONE + y);
15105 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15107 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15108 n = PieceToNumber(selection - BlackPawn);
15109 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15110 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15111 boards[0][BOARD_HEIGHT-1-n][1]++;
15113 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15114 n = PieceToNumber(selection);
15115 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15116 boards[0][n][BOARD_WIDTH-1] = selection;
15117 boards[0][n][BOARD_WIDTH-2]++;
15120 boards[0][y][x] = selection;
15121 DrawPosition(TRUE, boards[0]);
15123 fromX = fromY = -1;
15131 DropMenuEvent (ChessSquare selection, int x, int y)
15133 ChessMove moveType;
15135 switch (gameMode) {
15136 case IcsPlayingWhite:
15137 case MachinePlaysBlack:
15138 if (!WhiteOnMove(currentMove)) {
15139 DisplayMoveError(_("It is Black's turn"));
15142 moveType = WhiteDrop;
15144 case IcsPlayingBlack:
15145 case MachinePlaysWhite:
15146 if (WhiteOnMove(currentMove)) {
15147 DisplayMoveError(_("It is White's turn"));
15150 moveType = BlackDrop;
15153 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15159 if (moveType == BlackDrop && selection < BlackPawn) {
15160 selection = (ChessSquare) ((int) selection
15161 + (int) BlackPawn - (int) WhitePawn);
15163 if (boards[currentMove][y][x] != EmptySquare) {
15164 DisplayMoveError(_("That square is occupied"));
15168 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15174 /* Accept a pending offer of any kind from opponent */
15176 if (appData.icsActive) {
15177 SendToICS(ics_prefix);
15178 SendToICS("accept\n");
15179 } else if (cmailMsgLoaded) {
15180 if (currentMove == cmailOldMove &&
15181 commentList[cmailOldMove] != NULL &&
15182 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15183 "Black offers a draw" : "White offers a draw")) {
15185 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15186 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15188 DisplayError(_("There is no pending offer on this move"), 0);
15189 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15192 /* Not used for offers from chess program */
15199 /* Decline a pending offer of any kind from opponent */
15201 if (appData.icsActive) {
15202 SendToICS(ics_prefix);
15203 SendToICS("decline\n");
15204 } else if (cmailMsgLoaded) {
15205 if (currentMove == cmailOldMove &&
15206 commentList[cmailOldMove] != NULL &&
15207 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15208 "Black offers a draw" : "White offers a draw")) {
15210 AppendComment(cmailOldMove, "Draw declined", TRUE);
15211 DisplayComment(cmailOldMove - 1, "Draw declined");
15214 DisplayError(_("There is no pending offer on this move"), 0);
15217 /* Not used for offers from chess program */
15224 /* Issue ICS rematch command */
15225 if (appData.icsActive) {
15226 SendToICS(ics_prefix);
15227 SendToICS("rematch\n");
15234 /* Call your opponent's flag (claim a win on time) */
15235 if (appData.icsActive) {
15236 SendToICS(ics_prefix);
15237 SendToICS("flag\n");
15239 switch (gameMode) {
15242 case MachinePlaysWhite:
15245 GameEnds(GameIsDrawn, "Both players ran out of time",
15248 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15250 DisplayError(_("Your opponent is not out of time"), 0);
15253 case MachinePlaysBlack:
15256 GameEnds(GameIsDrawn, "Both players ran out of time",
15259 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15261 DisplayError(_("Your opponent is not out of time"), 0);
15269 ClockClick (int which)
15270 { // [HGM] code moved to back-end from winboard.c
15271 if(which) { // black clock
15272 if (gameMode == EditPosition || gameMode == IcsExamining) {
15273 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15274 SetBlackToPlayEvent();
15275 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
15276 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15277 } else if (shiftKey) {
15278 AdjustClock(which, -1);
15279 } else if (gameMode == IcsPlayingWhite ||
15280 gameMode == MachinePlaysBlack) {
15283 } else { // white clock
15284 if (gameMode == EditPosition || gameMode == IcsExamining) {
15285 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15286 SetWhiteToPlayEvent();
15287 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
15288 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15289 } else if (shiftKey) {
15290 AdjustClock(which, -1);
15291 } else if (gameMode == IcsPlayingBlack ||
15292 gameMode == MachinePlaysWhite) {
15301 /* Offer draw or accept pending draw offer from opponent */
15303 if (appData.icsActive) {
15304 /* Note: tournament rules require draw offers to be
15305 made after you make your move but before you punch
15306 your clock. Currently ICS doesn't let you do that;
15307 instead, you immediately punch your clock after making
15308 a move, but you can offer a draw at any time. */
15310 SendToICS(ics_prefix);
15311 SendToICS("draw\n");
15312 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15313 } else if (cmailMsgLoaded) {
15314 if (currentMove == cmailOldMove &&
15315 commentList[cmailOldMove] != NULL &&
15316 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15317 "Black offers a draw" : "White offers a draw")) {
15318 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15319 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15320 } else if (currentMove == cmailOldMove + 1) {
15321 char *offer = WhiteOnMove(cmailOldMove) ?
15322 "White offers a draw" : "Black offers a draw";
15323 AppendComment(currentMove, offer, TRUE);
15324 DisplayComment(currentMove - 1, offer);
15325 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15327 DisplayError(_("You must make your move before offering a draw"), 0);
15328 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15330 } else if (first.offeredDraw) {
15331 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15333 if (first.sendDrawOffers) {
15334 SendToProgram("draw\n", &first);
15335 userOfferedDraw = TRUE;
15343 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15345 if (appData.icsActive) {
15346 SendToICS(ics_prefix);
15347 SendToICS("adjourn\n");
15349 /* Currently GNU Chess doesn't offer or accept Adjourns */
15357 /* Offer Abort or accept pending Abort offer from opponent */
15359 if (appData.icsActive) {
15360 SendToICS(ics_prefix);
15361 SendToICS("abort\n");
15363 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15370 /* Resign. You can do this even if it's not your turn. */
15372 if (appData.icsActive) {
15373 SendToICS(ics_prefix);
15374 SendToICS("resign\n");
15376 switch (gameMode) {
15377 case MachinePlaysWhite:
15378 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15380 case MachinePlaysBlack:
15381 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15384 if (cmailMsgLoaded) {
15386 if (WhiteOnMove(cmailOldMove)) {
15387 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15389 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15391 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15402 StopObservingEvent ()
15404 /* Stop observing current games */
15405 SendToICS(ics_prefix);
15406 SendToICS("unobserve\n");
15410 StopExaminingEvent ()
15412 /* Stop observing current game */
15413 SendToICS(ics_prefix);
15414 SendToICS("unexamine\n");
15418 ForwardInner (int target)
15420 int limit; int oldSeekGraphUp = seekGraphUp;
15422 if (appData.debugMode)
15423 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15424 target, currentMove, forwardMostMove);
15426 if (gameMode == EditPosition)
15429 seekGraphUp = FALSE;
15430 MarkTargetSquares(1);
15432 if (gameMode == PlayFromGameFile && !pausing)
15435 if (gameMode == IcsExamining && pausing)
15436 limit = pauseExamForwardMostMove;
15438 limit = forwardMostMove;
15440 if (target > limit) target = limit;
15442 if (target > 0 && moveList[target - 1][0]) {
15443 int fromX, fromY, toX, toY;
15444 toX = moveList[target - 1][2] - AAA;
15445 toY = moveList[target - 1][3] - ONE;
15446 if (moveList[target - 1][1] == '@') {
15447 if (appData.highlightLastMove) {
15448 SetHighlights(-1, -1, toX, toY);
15451 fromX = moveList[target - 1][0] - AAA;
15452 fromY = moveList[target - 1][1] - ONE;
15453 if (target == currentMove + 1) {
15454 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15456 if (appData.highlightLastMove) {
15457 SetHighlights(fromX, fromY, toX, toY);
15461 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15462 gameMode == Training || gameMode == PlayFromGameFile ||
15463 gameMode == AnalyzeFile) {
15464 while (currentMove < target) {
15465 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15466 SendMoveToProgram(currentMove++, &first);
15469 currentMove = target;
15472 if (gameMode == EditGame || gameMode == EndOfGame) {
15473 whiteTimeRemaining = timeRemaining[0][currentMove];
15474 blackTimeRemaining = timeRemaining[1][currentMove];
15476 DisplayBothClocks();
15477 DisplayMove(currentMove - 1);
15478 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15479 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15480 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15481 DisplayComment(currentMove - 1, commentList[currentMove]);
15483 ClearMap(); // [HGM] exclude: invalidate map
15490 if (gameMode == IcsExamining && !pausing) {
15491 SendToICS(ics_prefix);
15492 SendToICS("forward\n");
15494 ForwardInner(currentMove + 1);
15501 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15502 /* to optimze, we temporarily turn off analysis mode while we feed
15503 * the remaining moves to the engine. Otherwise we get analysis output
15506 if (first.analysisSupport) {
15507 SendToProgram("exit\nforce\n", &first);
15508 first.analyzing = FALSE;
15512 if (gameMode == IcsExamining && !pausing) {
15513 SendToICS(ics_prefix);
15514 SendToICS("forward 999999\n");
15516 ForwardInner(forwardMostMove);
15519 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15520 /* we have fed all the moves, so reactivate analysis mode */
15521 SendToProgram("analyze\n", &first);
15522 first.analyzing = TRUE;
15523 /*first.maybeThinking = TRUE;*/
15524 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15529 BackwardInner (int target)
15531 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15533 if (appData.debugMode)
15534 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15535 target, currentMove, forwardMostMove);
15537 if (gameMode == EditPosition) return;
15538 seekGraphUp = FALSE;
15539 MarkTargetSquares(1);
15540 if (currentMove <= backwardMostMove) {
15542 DrawPosition(full_redraw, boards[currentMove]);
15545 if (gameMode == PlayFromGameFile && !pausing)
15548 if (moveList[target][0]) {
15549 int fromX, fromY, toX, toY;
15550 toX = moveList[target][2] - AAA;
15551 toY = moveList[target][3] - ONE;
15552 if (moveList[target][1] == '@') {
15553 if (appData.highlightLastMove) {
15554 SetHighlights(-1, -1, toX, toY);
15557 fromX = moveList[target][0] - AAA;
15558 fromY = moveList[target][1] - ONE;
15559 if (target == currentMove - 1) {
15560 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15562 if (appData.highlightLastMove) {
15563 SetHighlights(fromX, fromY, toX, toY);
15567 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15568 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15569 while (currentMove > target) {
15570 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15571 // null move cannot be undone. Reload program with move history before it.
15573 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15574 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15576 SendBoard(&first, i);
15577 if(second.analyzing) SendBoard(&second, i);
15578 for(currentMove=i; currentMove<target; currentMove++) {
15579 SendMoveToProgram(currentMove, &first);
15580 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15584 SendToBoth("undo\n");
15588 currentMove = target;
15591 if (gameMode == EditGame || gameMode == EndOfGame) {
15592 whiteTimeRemaining = timeRemaining[0][currentMove];
15593 blackTimeRemaining = timeRemaining[1][currentMove];
15595 DisplayBothClocks();
15596 DisplayMove(currentMove - 1);
15597 DrawPosition(full_redraw, boards[currentMove]);
15598 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15599 // [HGM] PV info: routine tests if comment empty
15600 DisplayComment(currentMove - 1, commentList[currentMove]);
15601 ClearMap(); // [HGM] exclude: invalidate map
15607 if (gameMode == IcsExamining && !pausing) {
15608 SendToICS(ics_prefix);
15609 SendToICS("backward\n");
15611 BackwardInner(currentMove - 1);
15618 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15619 /* to optimize, we temporarily turn off analysis mode while we undo
15620 * all the moves. Otherwise we get analysis output after each undo.
15622 if (first.analysisSupport) {
15623 SendToProgram("exit\nforce\n", &first);
15624 first.analyzing = FALSE;
15628 if (gameMode == IcsExamining && !pausing) {
15629 SendToICS(ics_prefix);
15630 SendToICS("backward 999999\n");
15632 BackwardInner(backwardMostMove);
15635 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15636 /* we have fed all the moves, so reactivate analysis mode */
15637 SendToProgram("analyze\n", &first);
15638 first.analyzing = TRUE;
15639 /*first.maybeThinking = TRUE;*/
15640 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15647 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15648 if (to >= forwardMostMove) to = forwardMostMove;
15649 if (to <= backwardMostMove) to = backwardMostMove;
15650 if (to < currentMove) {
15658 RevertEvent (Boolean annotate)
15660 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15663 if (gameMode != IcsExamining) {
15664 DisplayError(_("You are not examining a game"), 0);
15668 DisplayError(_("You can't revert while pausing"), 0);
15671 SendToICS(ics_prefix);
15672 SendToICS("revert\n");
15676 RetractMoveEvent ()
15678 switch (gameMode) {
15679 case MachinePlaysWhite:
15680 case MachinePlaysBlack:
15681 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15682 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15685 if (forwardMostMove < 2) return;
15686 currentMove = forwardMostMove = forwardMostMove - 2;
15687 whiteTimeRemaining = timeRemaining[0][currentMove];
15688 blackTimeRemaining = timeRemaining[1][currentMove];
15689 DisplayBothClocks();
15690 DisplayMove(currentMove - 1);
15691 ClearHighlights();/*!! could figure this out*/
15692 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15693 SendToProgram("remove\n", &first);
15694 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15697 case BeginningOfGame:
15701 case IcsPlayingWhite:
15702 case IcsPlayingBlack:
15703 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15704 SendToICS(ics_prefix);
15705 SendToICS("takeback 2\n");
15707 SendToICS(ics_prefix);
15708 SendToICS("takeback 1\n");
15717 ChessProgramState *cps;
15719 switch (gameMode) {
15720 case MachinePlaysWhite:
15721 if (!WhiteOnMove(forwardMostMove)) {
15722 DisplayError(_("It is your turn"), 0);
15727 case MachinePlaysBlack:
15728 if (WhiteOnMove(forwardMostMove)) {
15729 DisplayError(_("It is your turn"), 0);
15734 case TwoMachinesPlay:
15735 if (WhiteOnMove(forwardMostMove) ==
15736 (first.twoMachinesColor[0] == 'w')) {
15742 case BeginningOfGame:
15746 SendToProgram("?\n", cps);
15750 TruncateGameEvent ()
15753 if (gameMode != EditGame) return;
15760 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15761 if (forwardMostMove > currentMove) {
15762 if (gameInfo.resultDetails != NULL) {
15763 free(gameInfo.resultDetails);
15764 gameInfo.resultDetails = NULL;
15765 gameInfo.result = GameUnfinished;
15767 forwardMostMove = currentMove;
15768 HistorySet(parseList, backwardMostMove, forwardMostMove,
15776 if (appData.noChessProgram) return;
15777 switch (gameMode) {
15778 case MachinePlaysWhite:
15779 if (WhiteOnMove(forwardMostMove)) {
15780 DisplayError(_("Wait until your turn."), 0);
15784 case BeginningOfGame:
15785 case MachinePlaysBlack:
15786 if (!WhiteOnMove(forwardMostMove)) {
15787 DisplayError(_("Wait until your turn."), 0);
15792 DisplayError(_("No hint available"), 0);
15795 SendToProgram("hint\n", &first);
15796 hintRequested = TRUE;
15802 ListGame * lg = (ListGame *) gameList.head;
15805 static int secondTime = FALSE;
15807 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15808 DisplayError(_("Game list not loaded or empty"), 0);
15812 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15815 DisplayNote(_("Book file exists! Try again for overwrite."));
15819 creatingBook = TRUE;
15820 secondTime = FALSE;
15822 /* Get list size */
15823 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15824 LoadGame(f, nItem, "", TRUE);
15825 AddGameToBook(TRUE);
15826 lg = (ListGame *) lg->node.succ;
15829 creatingBook = FALSE;
15836 if (appData.noChessProgram) return;
15837 switch (gameMode) {
15838 case MachinePlaysWhite:
15839 if (WhiteOnMove(forwardMostMove)) {
15840 DisplayError(_("Wait until your turn."), 0);
15844 case BeginningOfGame:
15845 case MachinePlaysBlack:
15846 if (!WhiteOnMove(forwardMostMove)) {
15847 DisplayError(_("Wait until your turn."), 0);
15852 EditPositionDone(TRUE);
15854 case TwoMachinesPlay:
15859 SendToProgram("bk\n", &first);
15860 bookOutput[0] = NULLCHAR;
15861 bookRequested = TRUE;
15867 char *tags = PGNTags(&gameInfo);
15868 TagsPopUp(tags, CmailMsg());
15872 /* end button procedures */
15875 PrintPosition (FILE *fp, int move)
15879 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15880 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15881 char c = PieceToChar(boards[move][i][j]);
15882 fputc(c == 'x' ? '.' : c, fp);
15883 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15886 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15887 fprintf(fp, "white to play\n");
15889 fprintf(fp, "black to play\n");
15893 PrintOpponents (FILE *fp)
15895 if (gameInfo.white != NULL) {
15896 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15902 /* Find last component of program's own name, using some heuristics */
15904 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15907 int local = (strcmp(host, "localhost") == 0);
15908 while (!local && (p = strchr(prog, ';')) != NULL) {
15910 while (*p == ' ') p++;
15913 if (*prog == '"' || *prog == '\'') {
15914 q = strchr(prog + 1, *prog);
15916 q = strchr(prog, ' ');
15918 if (q == NULL) q = prog + strlen(prog);
15920 while (p >= prog && *p != '/' && *p != '\\') p--;
15922 if(p == prog && *p == '"') p++;
15924 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15925 memcpy(buf, p, q - p);
15926 buf[q - p] = NULLCHAR;
15934 TimeControlTagValue ()
15937 if (!appData.clockMode) {
15938 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15939 } else if (movesPerSession > 0) {
15940 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15941 } else if (timeIncrement == 0) {
15942 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15944 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15946 return StrSave(buf);
15952 /* This routine is used only for certain modes */
15953 VariantClass v = gameInfo.variant;
15954 ChessMove r = GameUnfinished;
15957 if(keepInfo) return;
15959 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15960 r = gameInfo.result;
15961 p = gameInfo.resultDetails;
15962 gameInfo.resultDetails = NULL;
15964 ClearGameInfo(&gameInfo);
15965 gameInfo.variant = v;
15967 switch (gameMode) {
15968 case MachinePlaysWhite:
15969 gameInfo.event = StrSave( appData.pgnEventHeader );
15970 gameInfo.site = StrSave(HostName());
15971 gameInfo.date = PGNDate();
15972 gameInfo.round = StrSave("-");
15973 gameInfo.white = StrSave(first.tidy);
15974 gameInfo.black = StrSave(UserName());
15975 gameInfo.timeControl = TimeControlTagValue();
15978 case MachinePlaysBlack:
15979 gameInfo.event = StrSave( appData.pgnEventHeader );
15980 gameInfo.site = StrSave(HostName());
15981 gameInfo.date = PGNDate();
15982 gameInfo.round = StrSave("-");
15983 gameInfo.white = StrSave(UserName());
15984 gameInfo.black = StrSave(first.tidy);
15985 gameInfo.timeControl = TimeControlTagValue();
15988 case TwoMachinesPlay:
15989 gameInfo.event = StrSave( appData.pgnEventHeader );
15990 gameInfo.site = StrSave(HostName());
15991 gameInfo.date = PGNDate();
15994 snprintf(buf, MSG_SIZ, "%d", roundNr);
15995 gameInfo.round = StrSave(buf);
15997 gameInfo.round = StrSave("-");
15999 if (first.twoMachinesColor[0] == 'w') {
16000 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16001 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16003 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16004 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16006 gameInfo.timeControl = TimeControlTagValue();
16010 gameInfo.event = StrSave("Edited game");
16011 gameInfo.site = StrSave(HostName());
16012 gameInfo.date = PGNDate();
16013 gameInfo.round = StrSave("-");
16014 gameInfo.white = StrSave("-");
16015 gameInfo.black = StrSave("-");
16016 gameInfo.result = r;
16017 gameInfo.resultDetails = p;
16021 gameInfo.event = StrSave("Edited position");
16022 gameInfo.site = StrSave(HostName());
16023 gameInfo.date = PGNDate();
16024 gameInfo.round = StrSave("-");
16025 gameInfo.white = StrSave("-");
16026 gameInfo.black = StrSave("-");
16029 case IcsPlayingWhite:
16030 case IcsPlayingBlack:
16035 case PlayFromGameFile:
16036 gameInfo.event = StrSave("Game from non-PGN file");
16037 gameInfo.site = StrSave(HostName());
16038 gameInfo.date = PGNDate();
16039 gameInfo.round = StrSave("-");
16040 gameInfo.white = StrSave("?");
16041 gameInfo.black = StrSave("?");
16050 ReplaceComment (int index, char *text)
16056 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16057 pvInfoList[index-1].depth == len &&
16058 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16059 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16060 while (*text == '\n') text++;
16061 len = strlen(text);
16062 while (len > 0 && text[len - 1] == '\n') len--;
16064 if (commentList[index] != NULL)
16065 free(commentList[index]);
16068 commentList[index] = NULL;
16071 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16072 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16073 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16074 commentList[index] = (char *) malloc(len + 2);
16075 strncpy(commentList[index], text, len);
16076 commentList[index][len] = '\n';
16077 commentList[index][len + 1] = NULLCHAR;
16079 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16081 commentList[index] = (char *) malloc(len + 7);
16082 safeStrCpy(commentList[index], "{\n", 3);
16083 safeStrCpy(commentList[index]+2, text, len+1);
16084 commentList[index][len+2] = NULLCHAR;
16085 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16086 strcat(commentList[index], "\n}\n");
16091 CrushCRs (char *text)
16099 if (ch == '\r') continue;
16101 } while (ch != '\0');
16105 AppendComment (int index, char *text, Boolean addBraces)
16106 /* addBraces tells if we should add {} */
16111 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16112 if(addBraces == 3) addBraces = 0; else // force appending literally
16113 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16116 while (*text == '\n') text++;
16117 len = strlen(text);
16118 while (len > 0 && text[len - 1] == '\n') len--;
16119 text[len] = NULLCHAR;
16121 if (len == 0) return;
16123 if (commentList[index] != NULL) {
16124 Boolean addClosingBrace = addBraces;
16125 old = commentList[index];
16126 oldlen = strlen(old);
16127 while(commentList[index][oldlen-1] == '\n')
16128 commentList[index][--oldlen] = NULLCHAR;
16129 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16130 safeStrCpy(commentList[index], old, oldlen + len + 6);
16132 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16133 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16134 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16135 while (*text == '\n') { text++; len--; }
16136 commentList[index][--oldlen] = NULLCHAR;
16138 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16139 else strcat(commentList[index], "\n");
16140 strcat(commentList[index], text);
16141 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16142 else strcat(commentList[index], "\n");
16144 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16146 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16147 else commentList[index][0] = NULLCHAR;
16148 strcat(commentList[index], text);
16149 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16150 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16155 FindStr (char * text, char * sub_text)
16157 char * result = strstr( text, sub_text );
16159 if( result != NULL ) {
16160 result += strlen( sub_text );
16166 /* [AS] Try to extract PV info from PGN comment */
16167 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16169 GetInfoFromComment (int index, char * text)
16171 char * sep = text, *p;
16173 if( text != NULL && index > 0 ) {
16176 int time = -1, sec = 0, deci;
16177 char * s_eval = FindStr( text, "[%eval " );
16178 char * s_emt = FindStr( text, "[%emt " );
16180 if( s_eval != NULL || s_emt != NULL ) {
16182 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16187 if( s_eval != NULL ) {
16188 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16192 if( delim != ']' ) {
16197 if( s_emt != NULL ) {
16202 /* We expect something like: [+|-]nnn.nn/dd */
16205 if(*text != '{') return text; // [HGM] braces: must be normal comment
16207 sep = strchr( text, '/' );
16208 if( sep == NULL || sep < (text+4) ) {
16213 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16214 if(p[1] == '(') { // comment starts with PV
16215 p = strchr(p, ')'); // locate end of PV
16216 if(p == NULL || sep < p+5) return text;
16217 // at this point we have something like "{(.*) +0.23/6 ..."
16218 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16219 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16220 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16222 time = -1; sec = -1; deci = -1;
16223 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16224 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16225 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16226 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16230 if( score_lo < 0 || score_lo >= 100 ) {
16234 if(sec >= 0) time = 600*time + 10*sec; else
16235 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16237 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16239 /* [HGM] PV time: now locate end of PV info */
16240 while( *++sep >= '0' && *sep <= '9'); // strip depth
16242 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16244 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16246 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16247 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16258 pvInfoList[index-1].depth = depth;
16259 pvInfoList[index-1].score = score;
16260 pvInfoList[index-1].time = 10*time; // centi-sec
16261 if(*sep == '}') *sep = 0; else *--sep = '{';
16262 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16268 SendToProgram (char *message, ChessProgramState *cps)
16270 int count, outCount, error;
16273 if (cps->pr == NoProc) return;
16276 if (appData.debugMode) {
16279 fprintf(debugFP, "%ld >%-6s: %s",
16280 SubtractTimeMarks(&now, &programStartTime),
16281 cps->which, message);
16283 fprintf(serverFP, "%ld >%-6s: %s",
16284 SubtractTimeMarks(&now, &programStartTime),
16285 cps->which, message), fflush(serverFP);
16288 count = strlen(message);
16289 outCount = OutputToProcess(cps->pr, message, count, &error);
16290 if (outCount < count && !exiting
16291 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16292 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16293 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16294 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16295 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16296 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16297 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16298 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16300 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16301 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16302 gameInfo.result = res;
16304 gameInfo.resultDetails = StrSave(buf);
16306 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16307 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16312 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16316 ChessProgramState *cps = (ChessProgramState *)closure;
16318 if (isr != cps->isr) return; /* Killed intentionally */
16321 RemoveInputSource(cps->isr);
16322 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16323 _(cps->which), cps->program);
16324 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16325 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16326 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16327 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16328 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16329 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16331 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16332 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16333 gameInfo.result = res;
16335 gameInfo.resultDetails = StrSave(buf);
16337 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16338 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16340 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16341 _(cps->which), cps->program);
16342 RemoveInputSource(cps->isr);
16344 /* [AS] Program is misbehaving badly... kill it */
16345 if( count == -2 ) {
16346 DestroyChildProcess( cps->pr, 9 );
16350 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16355 if ((end_str = strchr(message, '\r')) != NULL)
16356 *end_str = NULLCHAR;
16357 if ((end_str = strchr(message, '\n')) != NULL)
16358 *end_str = NULLCHAR;
16360 if (appData.debugMode) {
16361 TimeMark now; int print = 1;
16362 char *quote = ""; char c; int i;
16364 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16365 char start = message[0];
16366 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16367 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16368 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16369 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16370 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16371 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16372 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16373 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16374 sscanf(message, "hint: %c", &c)!=1 &&
16375 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16376 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16377 print = (appData.engineComments >= 2);
16379 message[0] = start; // restore original message
16383 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16384 SubtractTimeMarks(&now, &programStartTime), cps->which,
16388 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16389 SubtractTimeMarks(&now, &programStartTime), cps->which,
16391 message), fflush(serverFP);
16395 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16396 if (appData.icsEngineAnalyze) {
16397 if (strstr(message, "whisper") != NULL ||
16398 strstr(message, "kibitz") != NULL ||
16399 strstr(message, "tellics") != NULL) return;
16402 HandleMachineMove(message, cps);
16407 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16412 if( timeControl_2 > 0 ) {
16413 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16414 tc = timeControl_2;
16417 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16418 inc /= cps->timeOdds;
16419 st /= cps->timeOdds;
16421 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16424 /* Set exact time per move, normally using st command */
16425 if (cps->stKludge) {
16426 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16428 if (seconds == 0) {
16429 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16431 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16434 snprintf(buf, MSG_SIZ, "st %d\n", st);
16437 /* Set conventional or incremental time control, using level command */
16438 if (seconds == 0) {
16439 /* Note old gnuchess bug -- minutes:seconds used to not work.
16440 Fixed in later versions, but still avoid :seconds
16441 when seconds is 0. */
16442 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16444 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16445 seconds, inc/1000.);
16448 SendToProgram(buf, cps);
16450 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16451 /* Orthogonally, limit search to given depth */
16453 if (cps->sdKludge) {
16454 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16456 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16458 SendToProgram(buf, cps);
16461 if(cps->nps >= 0) { /* [HGM] nps */
16462 if(cps->supportsNPS == FALSE)
16463 cps->nps = -1; // don't use if engine explicitly says not supported!
16465 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16466 SendToProgram(buf, cps);
16471 ChessProgramState *
16473 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16475 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16476 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16482 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16484 char message[MSG_SIZ];
16487 /* Note: this routine must be called when the clocks are stopped
16488 or when they have *just* been set or switched; otherwise
16489 it will be off by the time since the current tick started.
16491 if (machineWhite) {
16492 time = whiteTimeRemaining / 10;
16493 otime = blackTimeRemaining / 10;
16495 time = blackTimeRemaining / 10;
16496 otime = whiteTimeRemaining / 10;
16498 /* [HGM] translate opponent's time by time-odds factor */
16499 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16501 if (time <= 0) time = 1;
16502 if (otime <= 0) otime = 1;
16504 snprintf(message, MSG_SIZ, "time %ld\n", time);
16505 SendToProgram(message, cps);
16507 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16508 SendToProgram(message, cps);
16512 EngineDefinedVariant (ChessProgramState *cps, int n)
16513 { // return name of n-th unknown variant that engine supports
16514 static char buf[MSG_SIZ];
16515 char *p, *s = cps->variants;
16516 if(!s) return NULL;
16517 do { // parse string from variants feature
16519 p = strchr(s, ',');
16520 if(p) *p = NULLCHAR;
16521 v = StringToVariant(s);
16522 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16523 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16524 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16527 if(n < 0) return buf;
16533 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16536 int len = strlen(name);
16539 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16541 sscanf(*p, "%d", &val);
16543 while (**p && **p != ' ')
16545 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16546 SendToProgram(buf, cps);
16553 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16556 int len = strlen(name);
16557 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16559 sscanf(*p, "%d", loc);
16560 while (**p && **p != ' ') (*p)++;
16561 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16562 SendToProgram(buf, cps);
16569 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16572 int len = strlen(name);
16573 if (strncmp((*p), name, len) == 0
16574 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16576 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16577 sscanf(*p, "%[^\"]", *loc);
16578 while (**p && **p != '\"') (*p)++;
16579 if (**p == '\"') (*p)++;
16580 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16581 SendToProgram(buf, cps);
16588 ParseOption (Option *opt, ChessProgramState *cps)
16589 // [HGM] options: process the string that defines an engine option, and determine
16590 // name, type, default value, and allowed value range
16592 char *p, *q, buf[MSG_SIZ];
16593 int n, min = (-1)<<31, max = 1<<31, def;
16595 if(p = strstr(opt->name, " -spin ")) {
16596 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16597 if(max < min) max = min; // enforce consistency
16598 if(def < min) def = min;
16599 if(def > max) def = max;
16604 } else if((p = strstr(opt->name, " -slider "))) {
16605 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16606 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16607 if(max < min) max = min; // enforce consistency
16608 if(def < min) def = min;
16609 if(def > max) def = max;
16613 opt->type = Spin; // Slider;
16614 } else if((p = strstr(opt->name, " -string "))) {
16615 opt->textValue = p+9;
16616 opt->type = TextBox;
16617 } else if((p = strstr(opt->name, " -file "))) {
16618 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16619 opt->textValue = p+7;
16620 opt->type = FileName; // FileName;
16621 } else if((p = strstr(opt->name, " -path "))) {
16622 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16623 opt->textValue = p+7;
16624 opt->type = PathName; // PathName;
16625 } else if(p = strstr(opt->name, " -check ")) {
16626 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16627 opt->value = (def != 0);
16628 opt->type = CheckBox;
16629 } else if(p = strstr(opt->name, " -combo ")) {
16630 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16631 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16632 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16633 opt->value = n = 0;
16634 while(q = StrStr(q, " /// ")) {
16635 n++; *q = 0; // count choices, and null-terminate each of them
16637 if(*q == '*') { // remember default, which is marked with * prefix
16641 cps->comboList[cps->comboCnt++] = q;
16643 cps->comboList[cps->comboCnt++] = NULL;
16645 opt->type = ComboBox;
16646 } else if(p = strstr(opt->name, " -button")) {
16647 opt->type = Button;
16648 } else if(p = strstr(opt->name, " -save")) {
16649 opt->type = SaveButton;
16650 } else return FALSE;
16651 *p = 0; // terminate option name
16652 // now look if the command-line options define a setting for this engine option.
16653 if(cps->optionSettings && cps->optionSettings[0])
16654 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16655 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16656 snprintf(buf, MSG_SIZ, "option %s", p);
16657 if(p = strstr(buf, ",")) *p = 0;
16658 if(q = strchr(buf, '=')) switch(opt->type) {
16660 for(n=0; n<opt->max; n++)
16661 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16664 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16668 opt->value = atoi(q+1);
16673 SendToProgram(buf, cps);
16679 FeatureDone (ChessProgramState *cps, int val)
16681 DelayedEventCallback cb = GetDelayedEvent();
16682 if ((cb == InitBackEnd3 && cps == &first) ||
16683 (cb == SettingsMenuIfReady && cps == &second) ||
16684 (cb == LoadEngine) ||
16685 (cb == TwoMachinesEventIfReady)) {
16686 CancelDelayedEvent();
16687 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16689 cps->initDone = val;
16690 if(val) cps->reload = FALSE;
16693 /* Parse feature command from engine */
16695 ParseFeatures (char *args, ChessProgramState *cps)
16703 while (*p == ' ') p++;
16704 if (*p == NULLCHAR) return;
16706 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16707 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16708 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16709 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16710 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16711 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16712 if (BoolFeature(&p, "reuse", &val, cps)) {
16713 /* Engine can disable reuse, but can't enable it if user said no */
16714 if (!val) cps->reuse = FALSE;
16717 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16718 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16719 if (gameMode == TwoMachinesPlay) {
16720 DisplayTwoMachinesTitle();
16726 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16727 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16728 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16729 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16730 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16731 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16732 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16733 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16734 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16735 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16736 if (IntFeature(&p, "done", &val, cps)) {
16737 FeatureDone(cps, val);
16740 /* Added by Tord: */
16741 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16742 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16743 /* End of additions by Tord */
16745 /* [HGM] added features: */
16746 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16747 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16748 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16749 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16750 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16751 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16752 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16753 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16754 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16755 FREE(cps->option[cps->nrOptions].name);
16756 cps->option[cps->nrOptions].name = q; q = NULL;
16757 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16758 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16759 SendToProgram(buf, cps);
16762 if(cps->nrOptions >= MAX_OPTIONS) {
16764 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16765 DisplayError(buf, 0);
16769 /* End of additions by HGM */
16771 /* unknown feature: complain and skip */
16773 while (*q && *q != '=') q++;
16774 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16775 SendToProgram(buf, cps);
16781 while (*p && *p != '\"') p++;
16782 if (*p == '\"') p++;
16784 while (*p && *p != ' ') p++;
16792 PeriodicUpdatesEvent (int newState)
16794 if (newState == appData.periodicUpdates)
16797 appData.periodicUpdates=newState;
16799 /* Display type changes, so update it now */
16800 // DisplayAnalysis();
16802 /* Get the ball rolling again... */
16804 AnalysisPeriodicEvent(1);
16805 StartAnalysisClock();
16810 PonderNextMoveEvent (int newState)
16812 if (newState == appData.ponderNextMove) return;
16813 if (gameMode == EditPosition) EditPositionDone(TRUE);
16815 SendToProgram("hard\n", &first);
16816 if (gameMode == TwoMachinesPlay) {
16817 SendToProgram("hard\n", &second);
16820 SendToProgram("easy\n", &first);
16821 thinkOutput[0] = NULLCHAR;
16822 if (gameMode == TwoMachinesPlay) {
16823 SendToProgram("easy\n", &second);
16826 appData.ponderNextMove = newState;
16830 NewSettingEvent (int option, int *feature, char *command, int value)
16834 if (gameMode == EditPosition) EditPositionDone(TRUE);
16835 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16836 if(feature == NULL || *feature) SendToProgram(buf, &first);
16837 if (gameMode == TwoMachinesPlay) {
16838 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16843 ShowThinkingEvent ()
16844 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16846 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16847 int newState = appData.showThinking
16848 // [HGM] thinking: other features now need thinking output as well
16849 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16851 if (oldState == newState) return;
16852 oldState = newState;
16853 if (gameMode == EditPosition) EditPositionDone(TRUE);
16855 SendToProgram("post\n", &first);
16856 if (gameMode == TwoMachinesPlay) {
16857 SendToProgram("post\n", &second);
16860 SendToProgram("nopost\n", &first);
16861 thinkOutput[0] = NULLCHAR;
16862 if (gameMode == TwoMachinesPlay) {
16863 SendToProgram("nopost\n", &second);
16866 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16870 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16872 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16873 if (pr == NoProc) return;
16874 AskQuestion(title, question, replyPrefix, pr);
16878 TypeInEvent (char firstChar)
16880 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16881 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16882 gameMode == AnalyzeMode || gameMode == EditGame ||
16883 gameMode == EditPosition || gameMode == IcsExamining ||
16884 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16885 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16886 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16887 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16888 gameMode == Training) PopUpMoveDialog(firstChar);
16892 TypeInDoneEvent (char *move)
16895 int n, fromX, fromY, toX, toY;
16897 ChessMove moveType;
16900 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
16901 EditPositionPasteFEN(move);
16904 // [HGM] movenum: allow move number to be typed in any mode
16905 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16909 // undocumented kludge: allow command-line option to be typed in!
16910 // (potentially fatal, and does not implement the effect of the option.)
16911 // should only be used for options that are values on which future decisions will be made,
16912 // and definitely not on options that would be used during initialization.
16913 if(strstr(move, "!!! -") == move) {
16914 ParseArgsFromString(move+4);
16918 if (gameMode != EditGame && currentMove != forwardMostMove &&
16919 gameMode != Training) {
16920 DisplayMoveError(_("Displayed move is not current"));
16922 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16923 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16924 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16925 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16926 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16927 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16929 DisplayMoveError(_("Could not parse move"));
16935 DisplayMove (int moveNumber)
16937 char message[MSG_SIZ];
16939 char cpThinkOutput[MSG_SIZ];
16941 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16943 if (moveNumber == forwardMostMove - 1 ||
16944 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16946 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16948 if (strchr(cpThinkOutput, '\n')) {
16949 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16952 *cpThinkOutput = NULLCHAR;
16955 /* [AS] Hide thinking from human user */
16956 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16957 *cpThinkOutput = NULLCHAR;
16958 if( thinkOutput[0] != NULLCHAR ) {
16961 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16962 cpThinkOutput[i] = '.';
16964 cpThinkOutput[i] = NULLCHAR;
16965 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16969 if (moveNumber == forwardMostMove - 1 &&
16970 gameInfo.resultDetails != NULL) {
16971 if (gameInfo.resultDetails[0] == NULLCHAR) {
16972 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16974 snprintf(res, MSG_SIZ, " {%s} %s",
16975 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16981 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16982 DisplayMessage(res, cpThinkOutput);
16984 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16985 WhiteOnMove(moveNumber) ? " " : ".. ",
16986 parseList[moveNumber], res);
16987 DisplayMessage(message, cpThinkOutput);
16992 DisplayComment (int moveNumber, char *text)
16994 char title[MSG_SIZ];
16996 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16997 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16999 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17000 WhiteOnMove(moveNumber) ? " " : ".. ",
17001 parseList[moveNumber]);
17003 if (text != NULL && (appData.autoDisplayComment || commentUp))
17004 CommentPopUp(title, text);
17007 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17008 * might be busy thinking or pondering. It can be omitted if your
17009 * gnuchess is configured to stop thinking immediately on any user
17010 * input. However, that gnuchess feature depends on the FIONREAD
17011 * ioctl, which does not work properly on some flavors of Unix.
17014 Attention (ChessProgramState *cps)
17017 if (!cps->useSigint) return;
17018 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17019 switch (gameMode) {
17020 case MachinePlaysWhite:
17021 case MachinePlaysBlack:
17022 case TwoMachinesPlay:
17023 case IcsPlayingWhite:
17024 case IcsPlayingBlack:
17027 /* Skip if we know it isn't thinking */
17028 if (!cps->maybeThinking) return;
17029 if (appData.debugMode)
17030 fprintf(debugFP, "Interrupting %s\n", cps->which);
17031 InterruptChildProcess(cps->pr);
17032 cps->maybeThinking = FALSE;
17037 #endif /*ATTENTION*/
17043 if (whiteTimeRemaining <= 0) {
17046 if (appData.icsActive) {
17047 if (appData.autoCallFlag &&
17048 gameMode == IcsPlayingBlack && !blackFlag) {
17049 SendToICS(ics_prefix);
17050 SendToICS("flag\n");
17054 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17056 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17057 if (appData.autoCallFlag) {
17058 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17065 if (blackTimeRemaining <= 0) {
17068 if (appData.icsActive) {
17069 if (appData.autoCallFlag &&
17070 gameMode == IcsPlayingWhite && !whiteFlag) {
17071 SendToICS(ics_prefix);
17072 SendToICS("flag\n");
17076 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17078 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17079 if (appData.autoCallFlag) {
17080 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17091 CheckTimeControl ()
17093 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17094 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17097 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17099 if ( !WhiteOnMove(forwardMostMove) ) {
17100 /* White made time control */
17101 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17102 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17103 /* [HGM] time odds: correct new time quota for time odds! */
17104 / WhitePlayer()->timeOdds;
17105 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17107 lastBlack -= blackTimeRemaining;
17108 /* Black made time control */
17109 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17110 / WhitePlayer()->other->timeOdds;
17111 lastWhite = whiteTimeRemaining;
17116 DisplayBothClocks ()
17118 int wom = gameMode == EditPosition ?
17119 !blackPlaysFirst : WhiteOnMove(currentMove);
17120 DisplayWhiteClock(whiteTimeRemaining, wom);
17121 DisplayBlackClock(blackTimeRemaining, !wom);
17125 /* Timekeeping seems to be a portability nightmare. I think everyone
17126 has ftime(), but I'm really not sure, so I'm including some ifdefs
17127 to use other calls if you don't. Clocks will be less accurate if
17128 you have neither ftime nor gettimeofday.
17131 /* VS 2008 requires the #include outside of the function */
17132 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17133 #include <sys/timeb.h>
17136 /* Get the current time as a TimeMark */
17138 GetTimeMark (TimeMark *tm)
17140 #if HAVE_GETTIMEOFDAY
17142 struct timeval timeVal;
17143 struct timezone timeZone;
17145 gettimeofday(&timeVal, &timeZone);
17146 tm->sec = (long) timeVal.tv_sec;
17147 tm->ms = (int) (timeVal.tv_usec / 1000L);
17149 #else /*!HAVE_GETTIMEOFDAY*/
17152 // include <sys/timeb.h> / moved to just above start of function
17153 struct timeb timeB;
17156 tm->sec = (long) timeB.time;
17157 tm->ms = (int) timeB.millitm;
17159 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17160 tm->sec = (long) time(NULL);
17166 /* Return the difference in milliseconds between two
17167 time marks. We assume the difference will fit in a long!
17170 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17172 return 1000L*(tm2->sec - tm1->sec) +
17173 (long) (tm2->ms - tm1->ms);
17178 * Code to manage the game clocks.
17180 * In tournament play, black starts the clock and then white makes a move.
17181 * We give the human user a slight advantage if he is playing white---the
17182 * clocks don't run until he makes his first move, so it takes zero time.
17183 * Also, we don't account for network lag, so we could get out of sync
17184 * with GNU Chess's clock -- but then, referees are always right.
17187 static TimeMark tickStartTM;
17188 static long intendedTickLength;
17191 NextTickLength (long timeRemaining)
17193 long nominalTickLength, nextTickLength;
17195 if (timeRemaining > 0L && timeRemaining <= 10000L)
17196 nominalTickLength = 100L;
17198 nominalTickLength = 1000L;
17199 nextTickLength = timeRemaining % nominalTickLength;
17200 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17202 return nextTickLength;
17205 /* Adjust clock one minute up or down */
17207 AdjustClock (Boolean which, int dir)
17209 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17210 if(which) blackTimeRemaining += 60000*dir;
17211 else whiteTimeRemaining += 60000*dir;
17212 DisplayBothClocks();
17213 adjustedClock = TRUE;
17216 /* Stop clocks and reset to a fresh time control */
17220 (void) StopClockTimer();
17221 if (appData.icsActive) {
17222 whiteTimeRemaining = blackTimeRemaining = 0;
17223 } else if (searchTime) {
17224 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17225 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17226 } else { /* [HGM] correct new time quote for time odds */
17227 whiteTC = blackTC = fullTimeControlString;
17228 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17229 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17231 if (whiteFlag || blackFlag) {
17233 whiteFlag = blackFlag = FALSE;
17235 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17236 DisplayBothClocks();
17237 adjustedClock = FALSE;
17240 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17242 /* Decrement running clock by amount of time that has passed */
17246 long timeRemaining;
17247 long lastTickLength, fudge;
17250 if (!appData.clockMode) return;
17251 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17255 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17257 /* Fudge if we woke up a little too soon */
17258 fudge = intendedTickLength - lastTickLength;
17259 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17261 if (WhiteOnMove(forwardMostMove)) {
17262 if(whiteNPS >= 0) lastTickLength = 0;
17263 timeRemaining = whiteTimeRemaining -= lastTickLength;
17264 if(timeRemaining < 0 && !appData.icsActive) {
17265 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17266 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17267 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17268 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17271 DisplayWhiteClock(whiteTimeRemaining - fudge,
17272 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17274 if(blackNPS >= 0) lastTickLength = 0;
17275 timeRemaining = blackTimeRemaining -= lastTickLength;
17276 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17277 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17279 blackStartMove = forwardMostMove;
17280 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17283 DisplayBlackClock(blackTimeRemaining - fudge,
17284 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17286 if (CheckFlags()) return;
17288 if(twoBoards) { // count down secondary board's clocks as well
17289 activePartnerTime -= lastTickLength;
17291 if(activePartner == 'W')
17292 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17294 DisplayBlackClock(activePartnerTime, TRUE);
17299 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17300 StartClockTimer(intendedTickLength);
17302 /* if the time remaining has fallen below the alarm threshold, sound the
17303 * alarm. if the alarm has sounded and (due to a takeback or time control
17304 * with increment) the time remaining has increased to a level above the
17305 * threshold, reset the alarm so it can sound again.
17308 if (appData.icsActive && appData.icsAlarm) {
17310 /* make sure we are dealing with the user's clock */
17311 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17312 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17315 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17316 alarmSounded = FALSE;
17317 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17319 alarmSounded = TRUE;
17325 /* A player has just moved, so stop the previously running
17326 clock and (if in clock mode) start the other one.
17327 We redisplay both clocks in case we're in ICS mode, because
17328 ICS gives us an update to both clocks after every move.
17329 Note that this routine is called *after* forwardMostMove
17330 is updated, so the last fractional tick must be subtracted
17331 from the color that is *not* on move now.
17334 SwitchClocks (int newMoveNr)
17336 long lastTickLength;
17338 int flagged = FALSE;
17342 if (StopClockTimer() && appData.clockMode) {
17343 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17344 if (!WhiteOnMove(forwardMostMove)) {
17345 if(blackNPS >= 0) lastTickLength = 0;
17346 blackTimeRemaining -= lastTickLength;
17347 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17348 // if(pvInfoList[forwardMostMove].time == -1)
17349 pvInfoList[forwardMostMove].time = // use GUI time
17350 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17352 if(whiteNPS >= 0) lastTickLength = 0;
17353 whiteTimeRemaining -= lastTickLength;
17354 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17355 // if(pvInfoList[forwardMostMove].time == -1)
17356 pvInfoList[forwardMostMove].time =
17357 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17359 flagged = CheckFlags();
17361 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17362 CheckTimeControl();
17364 if (flagged || !appData.clockMode) return;
17366 switch (gameMode) {
17367 case MachinePlaysBlack:
17368 case MachinePlaysWhite:
17369 case BeginningOfGame:
17370 if (pausing) return;
17374 case PlayFromGameFile:
17382 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17383 if(WhiteOnMove(forwardMostMove))
17384 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17385 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17389 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17390 whiteTimeRemaining : blackTimeRemaining);
17391 StartClockTimer(intendedTickLength);
17395 /* Stop both clocks */
17399 long lastTickLength;
17402 if (!StopClockTimer()) return;
17403 if (!appData.clockMode) return;
17407 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17408 if (WhiteOnMove(forwardMostMove)) {
17409 if(whiteNPS >= 0) lastTickLength = 0;
17410 whiteTimeRemaining -= lastTickLength;
17411 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17413 if(blackNPS >= 0) lastTickLength = 0;
17414 blackTimeRemaining -= lastTickLength;
17415 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17420 /* Start clock of player on move. Time may have been reset, so
17421 if clock is already running, stop and restart it. */
17425 (void) StopClockTimer(); /* in case it was running already */
17426 DisplayBothClocks();
17427 if (CheckFlags()) return;
17429 if (!appData.clockMode) return;
17430 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17432 GetTimeMark(&tickStartTM);
17433 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17434 whiteTimeRemaining : blackTimeRemaining);
17436 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17437 whiteNPS = blackNPS = -1;
17438 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17439 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17440 whiteNPS = first.nps;
17441 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17442 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17443 blackNPS = first.nps;
17444 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17445 whiteNPS = second.nps;
17446 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17447 blackNPS = second.nps;
17448 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17450 StartClockTimer(intendedTickLength);
17454 TimeString (long ms)
17456 long second, minute, hour, day;
17458 static char buf[32];
17460 if (ms > 0 && ms <= 9900) {
17461 /* convert milliseconds to tenths, rounding up */
17462 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17464 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17468 /* convert milliseconds to seconds, rounding up */
17469 /* use floating point to avoid strangeness of integer division
17470 with negative dividends on many machines */
17471 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17478 day = second / (60 * 60 * 24);
17479 second = second % (60 * 60 * 24);
17480 hour = second / (60 * 60);
17481 second = second % (60 * 60);
17482 minute = second / 60;
17483 second = second % 60;
17486 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17487 sign, day, hour, minute, second);
17489 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17491 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17498 * This is necessary because some C libraries aren't ANSI C compliant yet.
17501 StrStr (char *string, char *match)
17505 length = strlen(match);
17507 for (i = strlen(string) - length; i >= 0; i--, string++)
17508 if (!strncmp(match, string, length))
17515 StrCaseStr (char *string, char *match)
17519 length = strlen(match);
17521 for (i = strlen(string) - length; i >= 0; i--, string++) {
17522 for (j = 0; j < length; j++) {
17523 if (ToLower(match[j]) != ToLower(string[j]))
17526 if (j == length) return string;
17534 StrCaseCmp (char *s1, char *s2)
17539 c1 = ToLower(*s1++);
17540 c2 = ToLower(*s2++);
17541 if (c1 > c2) return 1;
17542 if (c1 < c2) return -1;
17543 if (c1 == NULLCHAR) return 0;
17551 return isupper(c) ? tolower(c) : c;
17558 return islower(c) ? toupper(c) : c;
17560 #endif /* !_amigados */
17567 if ((ret = (char *) malloc(strlen(s) + 1)))
17569 safeStrCpy(ret, s, strlen(s)+1);
17575 StrSavePtr (char *s, char **savePtr)
17580 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17581 safeStrCpy(*savePtr, s, strlen(s)+1);
17593 clock = time((time_t *)NULL);
17594 tm = localtime(&clock);
17595 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17596 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17597 return StrSave(buf);
17602 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17604 int i, j, fromX, fromY, toX, toY;
17611 whiteToPlay = (gameMode == EditPosition) ?
17612 !blackPlaysFirst : (move % 2 == 0);
17615 /* Piece placement data */
17616 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17617 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17619 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17620 if (boards[move][i][j] == EmptySquare) {
17622 } else { ChessSquare piece = boards[move][i][j];
17623 if (emptycount > 0) {
17624 if(emptycount<10) /* [HGM] can be >= 10 */
17625 *p++ = '0' + emptycount;
17626 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17629 if(PieceToChar(piece) == '+') {
17630 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17632 piece = (ChessSquare)(DEMOTED piece);
17634 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17636 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17637 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17642 if (emptycount > 0) {
17643 if(emptycount<10) /* [HGM] can be >= 10 */
17644 *p++ = '0' + emptycount;
17645 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17652 /* [HGM] print Crazyhouse or Shogi holdings */
17653 if( gameInfo.holdingsWidth ) {
17654 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17656 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17657 piece = boards[move][i][BOARD_WIDTH-1];
17658 if( piece != EmptySquare )
17659 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17660 *p++ = PieceToChar(piece);
17662 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17663 piece = boards[move][BOARD_HEIGHT-i-1][0];
17664 if( piece != EmptySquare )
17665 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17666 *p++ = PieceToChar(piece);
17669 if( q == p ) *p++ = '-';
17675 *p++ = whiteToPlay ? 'w' : 'b';
17678 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17679 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17681 if(nrCastlingRights) {
17683 if(appData.fischerCastling) {
17684 /* [HGM] write directly from rights */
17685 if(boards[move][CASTLING][2] != NoRights &&
17686 boards[move][CASTLING][0] != NoRights )
17687 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17688 if(boards[move][CASTLING][2] != NoRights &&
17689 boards[move][CASTLING][1] != NoRights )
17690 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17691 if(boards[move][CASTLING][5] != NoRights &&
17692 boards[move][CASTLING][3] != NoRights )
17693 *p++ = boards[move][CASTLING][3] + AAA;
17694 if(boards[move][CASTLING][5] != NoRights &&
17695 boards[move][CASTLING][4] != NoRights )
17696 *p++ = boards[move][CASTLING][4] + AAA;
17699 /* [HGM] write true castling rights */
17700 if( nrCastlingRights == 6 ) {
17702 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17703 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17704 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17705 boards[move][CASTLING][2] != NoRights );
17706 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17707 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17708 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17709 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17710 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17714 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17715 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17716 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17717 boards[move][CASTLING][5] != NoRights );
17718 if(gameInfo.variant == VariantSChess) {
17719 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17720 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17721 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17722 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17727 if (q == p) *p++ = '-'; /* No castling rights */
17731 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17732 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17733 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17734 /* En passant target square */
17735 if (move > backwardMostMove) {
17736 fromX = moveList[move - 1][0] - AAA;
17737 fromY = moveList[move - 1][1] - ONE;
17738 toX = moveList[move - 1][2] - AAA;
17739 toY = moveList[move - 1][3] - ONE;
17740 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17741 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17742 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17744 /* 2-square pawn move just happened */
17746 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17750 } else if(move == backwardMostMove) {
17751 // [HGM] perhaps we should always do it like this, and forget the above?
17752 if((signed char)boards[move][EP_STATUS] >= 0) {
17753 *p++ = boards[move][EP_STATUS] + AAA;
17754 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17766 { int i = 0, j=move;
17768 /* [HGM] find reversible plies */
17769 if (appData.debugMode) { int k;
17770 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17771 for(k=backwardMostMove; k<=forwardMostMove; k++)
17772 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17776 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17777 if( j == backwardMostMove ) i += initialRulePlies;
17778 sprintf(p, "%d ", i);
17779 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17781 /* Fullmove number */
17782 sprintf(p, "%d", (move / 2) + 1);
17783 } else *--p = NULLCHAR;
17785 return StrSave(buf);
17789 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17791 int i, j, k, w=0, subst=0, shuffle=0;
17793 int emptycount, virgin[BOARD_FILES];
17798 /* Piece placement data */
17799 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17802 if (*p == '/' || *p == ' ' || *p == '[' ) {
17804 emptycount = gameInfo.boardWidth - j;
17805 while (emptycount--)
17806 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17807 if (*p == '/') p++;
17808 else if(autoSize) { // we stumbled unexpectedly into end of board
17809 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17810 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17812 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17815 #if(BOARD_FILES >= 10)
17816 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17817 p++; emptycount=10;
17818 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17819 while (emptycount--)
17820 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17822 } else if (*p == '*') {
17823 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17824 } else if (isdigit(*p)) {
17825 emptycount = *p++ - '0';
17826 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17827 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17828 while (emptycount--)
17829 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17830 } else if (*p == '<') {
17831 if(i == BOARD_HEIGHT-1) shuffle = 1;
17832 else if (i != 0 || !shuffle) return FALSE;
17834 } else if (shuffle && *p == '>') {
17835 p++; // for now ignore closing shuffle range, and assume rank-end
17836 } else if (*p == '?') {
17837 if (j >= gameInfo.boardWidth) return FALSE;
17838 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
17839 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
17840 } else if (*p == '+' || isalpha(*p)) {
17841 if (j >= gameInfo.boardWidth) return FALSE;
17843 piece = CharToPiece(*++p);
17844 if(piece == EmptySquare) return FALSE; /* unknown piece */
17845 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17846 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17847 } else piece = CharToPiece(*p++);
17849 if(piece==EmptySquare) return FALSE; /* unknown piece */
17850 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17851 piece = (ChessSquare) (PROMOTED piece);
17852 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17855 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17861 while (*p == '/' || *p == ' ') p++;
17863 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17865 /* [HGM] by default clear Crazyhouse holdings, if present */
17866 if(gameInfo.holdingsWidth) {
17867 for(i=0; i<BOARD_HEIGHT; i++) {
17868 board[i][0] = EmptySquare; /* black holdings */
17869 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17870 board[i][1] = (ChessSquare) 0; /* black counts */
17871 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17875 /* [HGM] look for Crazyhouse holdings here */
17876 while(*p==' ') p++;
17877 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17878 int swap=0, wcnt=0, bcnt=0;
17880 if(*p == '<') swap++, p++;
17881 if(*p == '-' ) p++; /* empty holdings */ else {
17882 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17883 /* if we would allow FEN reading to set board size, we would */
17884 /* have to add holdings and shift the board read so far here */
17885 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17887 if((int) piece >= (int) BlackPawn ) {
17888 i = (int)piece - (int)BlackPawn;
17889 i = PieceToNumber((ChessSquare)i);
17890 if( i >= gameInfo.holdingsSize ) return FALSE;
17891 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17892 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17895 i = (int)piece - (int)WhitePawn;
17896 i = PieceToNumber((ChessSquare)i);
17897 if( i >= gameInfo.holdingsSize ) return FALSE;
17898 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17899 board[i][BOARD_WIDTH-2]++; /* black holdings */
17903 if(subst) { // substitute back-rank question marks by holdings pieces
17904 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
17905 int k, m, n = bcnt + 1;
17906 if(board[0][j] == ClearBoard) {
17907 if(!wcnt) return FALSE;
17909 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
17910 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
17911 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
17915 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
17916 if(!bcnt) return FALSE;
17917 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
17918 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
17919 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
17920 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
17931 if(subst) return FALSE; // substitution requested, but no holdings
17933 while(*p == ' ') p++;
17937 if(appData.colorNickNames) {
17938 if( c == appData.colorNickNames[0] ) c = 'w'; else
17939 if( c == appData.colorNickNames[1] ) c = 'b';
17943 *blackPlaysFirst = FALSE;
17946 *blackPlaysFirst = TRUE;
17952 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17953 /* return the extra info in global variiables */
17955 /* set defaults in case FEN is incomplete */
17956 board[EP_STATUS] = EP_UNKNOWN;
17957 for(i=0; i<nrCastlingRights; i++ ) {
17958 board[CASTLING][i] =
17959 appData.fischerCastling ? NoRights : initialRights[i];
17960 } /* assume possible unless obviously impossible */
17961 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17962 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17963 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17964 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17965 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17966 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17967 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17968 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17971 while(*p==' ') p++;
17972 if(nrCastlingRights) {
17974 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17975 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17976 /* castling indicator present, so default becomes no castlings */
17977 for(i=0; i<nrCastlingRights; i++ ) {
17978 board[CASTLING][i] = NoRights;
17981 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17982 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
17983 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17984 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17985 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17987 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17988 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17989 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17991 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17992 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17993 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17994 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17995 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17996 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17999 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
18000 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18001 board[CASTLING][2] = whiteKingFile;
18002 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18003 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18004 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18007 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
18008 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18009 board[CASTLING][2] = whiteKingFile;
18010 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18011 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18012 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18015 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
18016 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18017 board[CASTLING][5] = blackKingFile;
18018 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18019 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18020 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18023 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
18024 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18025 board[CASTLING][5] = blackKingFile;
18026 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18027 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18028 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18031 default: /* FRC castlings */
18032 if(c >= 'a') { /* black rights */
18033 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18034 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18035 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18036 if(i == BOARD_RGHT) break;
18037 board[CASTLING][5] = i;
18039 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18040 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18042 board[CASTLING][3] = c;
18044 board[CASTLING][4] = c;
18045 } else { /* white rights */
18046 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18047 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18048 if(board[0][i] == WhiteKing) break;
18049 if(i == BOARD_RGHT) break;
18050 board[CASTLING][2] = i;
18051 c -= AAA - 'a' + 'A';
18052 if(board[0][c] >= WhiteKing) break;
18054 board[CASTLING][0] = c;
18056 board[CASTLING][1] = c;
18060 for(i=0; i<nrCastlingRights; i++)
18061 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18062 if(gameInfo.variant == VariantSChess)
18063 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18064 if(fischer && shuffle) appData.fischerCastling = TRUE;
18065 if (appData.debugMode) {
18066 fprintf(debugFP, "FEN castling rights:");
18067 for(i=0; i<nrCastlingRights; i++)
18068 fprintf(debugFP, " %d", board[CASTLING][i]);
18069 fprintf(debugFP, "\n");
18072 while(*p==' ') p++;
18075 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18077 /* read e.p. field in games that know e.p. capture */
18078 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18079 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18080 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18082 p++; board[EP_STATUS] = EP_NONE;
18084 char c = *p++ - AAA;
18086 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18087 if(*p >= '0' && *p <='9') p++;
18088 board[EP_STATUS] = c;
18093 if(sscanf(p, "%d", &i) == 1) {
18094 FENrulePlies = i; /* 50-move ply counter */
18095 /* (The move number is still ignored) */
18102 EditPositionPasteFEN (char *fen)
18105 Board initial_position;
18107 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18108 DisplayError(_("Bad FEN position in clipboard"), 0);
18111 int savedBlackPlaysFirst = blackPlaysFirst;
18112 EditPositionEvent();
18113 blackPlaysFirst = savedBlackPlaysFirst;
18114 CopyBoard(boards[0], initial_position);
18115 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18116 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18117 DisplayBothClocks();
18118 DrawPosition(FALSE, boards[currentMove]);
18123 static char cseq[12] = "\\ ";
18126 set_cont_sequence (char *new_seq)
18131 // handle bad attempts to set the sequence
18133 return 0; // acceptable error - no debug
18135 len = strlen(new_seq);
18136 ret = (len > 0) && (len < sizeof(cseq));
18138 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18139 else if (appData.debugMode)
18140 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18145 reformat a source message so words don't cross the width boundary. internal
18146 newlines are not removed. returns the wrapped size (no null character unless
18147 included in source message). If dest is NULL, only calculate the size required
18148 for the dest buffer. lp argument indicats line position upon entry, and it's
18149 passed back upon exit.
18152 wrap (char *dest, char *src, int count, int width, int *lp)
18154 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18156 cseq_len = strlen(cseq);
18157 old_line = line = *lp;
18158 ansi = len = clen = 0;
18160 for (i=0; i < count; i++)
18162 if (src[i] == '\033')
18165 // if we hit the width, back up
18166 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18168 // store i & len in case the word is too long
18169 old_i = i, old_len = len;
18171 // find the end of the last word
18172 while (i && src[i] != ' ' && src[i] != '\n')
18178 // word too long? restore i & len before splitting it
18179 if ((old_i-i+clen) >= width)
18186 if (i && src[i-1] == ' ')
18189 if (src[i] != ' ' && src[i] != '\n')
18196 // now append the newline and continuation sequence
18201 strncpy(dest+len, cseq, cseq_len);
18209 dest[len] = src[i];
18213 if (src[i] == '\n')
18218 if (dest && appData.debugMode)
18220 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18221 count, width, line, len, *lp);
18222 show_bytes(debugFP, src, count);
18223 fprintf(debugFP, "\ndest: ");
18224 show_bytes(debugFP, dest, len);
18225 fprintf(debugFP, "\n");
18227 *lp = dest ? line : old_line;
18232 // [HGM] vari: routines for shelving variations
18233 Boolean modeRestore = FALSE;
18236 PushInner (int firstMove, int lastMove)
18238 int i, j, nrMoves = lastMove - firstMove;
18240 // push current tail of game on stack
18241 savedResult[storedGames] = gameInfo.result;
18242 savedDetails[storedGames] = gameInfo.resultDetails;
18243 gameInfo.resultDetails = NULL;
18244 savedFirst[storedGames] = firstMove;
18245 savedLast [storedGames] = lastMove;
18246 savedFramePtr[storedGames] = framePtr;
18247 framePtr -= nrMoves; // reserve space for the boards
18248 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18249 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18250 for(j=0; j<MOVE_LEN; j++)
18251 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18252 for(j=0; j<2*MOVE_LEN; j++)
18253 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18254 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18255 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18256 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18257 pvInfoList[firstMove+i-1].depth = 0;
18258 commentList[framePtr+i] = commentList[firstMove+i];
18259 commentList[firstMove+i] = NULL;
18263 forwardMostMove = firstMove; // truncate game so we can start variation
18267 PushTail (int firstMove, int lastMove)
18269 if(appData.icsActive) { // only in local mode
18270 forwardMostMove = currentMove; // mimic old ICS behavior
18273 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18275 PushInner(firstMove, lastMove);
18276 if(storedGames == 1) GreyRevert(FALSE);
18277 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18281 PopInner (Boolean annotate)
18284 char buf[8000], moveBuf[20];
18286 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18287 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18288 nrMoves = savedLast[storedGames] - currentMove;
18291 if(!WhiteOnMove(currentMove))
18292 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18293 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18294 for(i=currentMove; i<forwardMostMove; i++) {
18296 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18297 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18298 strcat(buf, moveBuf);
18299 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18300 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18304 for(i=1; i<=nrMoves; i++) { // copy last variation back
18305 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18306 for(j=0; j<MOVE_LEN; j++)
18307 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18308 for(j=0; j<2*MOVE_LEN; j++)
18309 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18310 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18311 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18312 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18313 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18314 commentList[currentMove+i] = commentList[framePtr+i];
18315 commentList[framePtr+i] = NULL;
18317 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18318 framePtr = savedFramePtr[storedGames];
18319 gameInfo.result = savedResult[storedGames];
18320 if(gameInfo.resultDetails != NULL) {
18321 free(gameInfo.resultDetails);
18323 gameInfo.resultDetails = savedDetails[storedGames];
18324 forwardMostMove = currentMove + nrMoves;
18328 PopTail (Boolean annotate)
18330 if(appData.icsActive) return FALSE; // only in local mode
18331 if(!storedGames) return FALSE; // sanity
18332 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18334 PopInner(annotate);
18335 if(currentMove < forwardMostMove) ForwardEvent(); else
18336 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18338 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18344 { // remove all shelved variations
18346 for(i=0; i<storedGames; i++) {
18347 if(savedDetails[i])
18348 free(savedDetails[i]);
18349 savedDetails[i] = NULL;
18351 for(i=framePtr; i<MAX_MOVES; i++) {
18352 if(commentList[i]) free(commentList[i]);
18353 commentList[i] = NULL;
18355 framePtr = MAX_MOVES-1;
18360 LoadVariation (int index, char *text)
18361 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18362 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18363 int level = 0, move;
18365 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18366 // first find outermost bracketing variation
18367 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18368 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18369 if(*p == '{') wait = '}'; else
18370 if(*p == '[') wait = ']'; else
18371 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18372 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18374 if(*p == wait) wait = NULLCHAR; // closing ]} found
18377 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18378 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18379 end[1] = NULLCHAR; // clip off comment beyond variation
18380 ToNrEvent(currentMove-1);
18381 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18382 // kludge: use ParsePV() to append variation to game
18383 move = currentMove;
18384 ParsePV(start, TRUE, TRUE);
18385 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18386 ClearPremoveHighlights();
18388 ToNrEvent(currentMove+1);
18394 char *p, *q, buf[MSG_SIZ];
18395 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18396 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18397 ParseArgsFromString(buf);
18398 ActivateTheme(TRUE); // also redo colors
18402 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18405 q = appData.themeNames;
18406 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18407 if(appData.useBitmaps) {
18408 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18409 appData.liteBackTextureFile, appData.darkBackTextureFile,
18410 appData.liteBackTextureMode,
18411 appData.darkBackTextureMode );
18413 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18414 Col2Text(2), // lightSquareColor
18415 Col2Text(3) ); // darkSquareColor
18417 if(appData.useBorder) {
18418 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18421 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18423 if(appData.useFont) {
18424 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18425 appData.renderPiecesWithFont,
18426 appData.fontToPieceTable,
18427 Col2Text(9), // appData.fontBackColorWhite
18428 Col2Text(10) ); // appData.fontForeColorBlack
18430 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18431 appData.pieceDirectory);
18432 if(!appData.pieceDirectory[0])
18433 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18434 Col2Text(0), // whitePieceColor
18435 Col2Text(1) ); // blackPieceColor
18437 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18438 Col2Text(4), // highlightSquareColor
18439 Col2Text(5) ); // premoveHighlightColor
18440 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18441 if(insert != q) insert[-1] = NULLCHAR;
18442 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18445 ActivateTheme(FALSE);