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;
298 int border; /* [HGM] width of board rim, needed to size seek graph */
300 /* States for ics_getting_history */
302 #define H_REQUESTED 1
303 #define H_GOT_REQ_HEADER 2
304 #define H_GOT_UNREQ_HEADER 3
305 #define H_GETTING_MOVES 4
306 #define H_GOT_UNWANTED_HEADER 5
308 /* whosays values for GameEnds */
317 /* Maximum number of games in a cmail message */
318 #define CMAIL_MAX_GAMES 20
320 /* Different types of move when calling RegisterMove */
322 #define CMAIL_RESIGN 1
324 #define CMAIL_ACCEPT 3
326 /* Different types of result to remember for each game */
327 #define CMAIL_NOT_RESULT 0
328 #define CMAIL_OLD_RESULT 1
329 #define CMAIL_NEW_RESULT 2
331 /* Telnet protocol constants */
342 safeStrCpy (char *dst, const char *src, size_t count)
345 assert( dst != NULL );
346 assert( src != NULL );
349 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
350 if( i == count && dst[count-1] != NULLCHAR)
352 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
353 if(appData.debugMode)
354 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
360 /* Some compiler can't cast u64 to double
361 * This function do the job for us:
363 * We use the highest bit for cast, this only
364 * works if the highest bit is not
365 * in use (This should not happen)
367 * We used this for all compiler
370 u64ToDouble (u64 value)
373 u64 tmp = value & u64Const(0x7fffffffffffffff);
374 r = (double)(s64)tmp;
375 if (value & u64Const(0x8000000000000000))
376 r += 9.2233720368547758080e18; /* 2^63 */
380 /* Fake up flags for now, as we aren't keeping track of castling
381 availability yet. [HGM] Change of logic: the flag now only
382 indicates the type of castlings allowed by the rule of the game.
383 The actual rights themselves are maintained in the array
384 castlingRights, as part of the game history, and are not probed
390 int flags = F_ALL_CASTLE_OK;
391 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
392 switch (gameInfo.variant) {
394 flags &= ~F_ALL_CASTLE_OK;
395 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
396 flags |= F_IGNORE_CHECK;
398 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
401 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
403 case VariantKriegspiel:
404 flags |= F_KRIEGSPIEL_CAPTURE;
406 case VariantCapaRandom:
407 case VariantFischeRandom:
408 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
409 case VariantNoCastle:
410 case VariantShatranj:
415 flags &= ~F_ALL_CASTLE_OK;
418 case VariantChuChess:
420 flags |= F_NULL_MOVE;
425 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
429 FILE *gameFileFP, *debugFP, *serverFP;
430 char *currentDebugFile; // [HGM] debug split: to remember name
433 [AS] Note: sometimes, the sscanf() function is used to parse the input
434 into a fixed-size buffer. Because of this, we must be prepared to
435 receive strings as long as the size of the input buffer, which is currently
436 set to 4K for Windows and 8K for the rest.
437 So, we must either allocate sufficiently large buffers here, or
438 reduce the size of the input buffer in the input reading part.
441 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
442 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
443 char thinkOutput1[MSG_SIZ*10];
445 ChessProgramState first, second, pairing;
447 /* premove variables */
450 int premoveFromX = 0;
451 int premoveFromY = 0;
452 int premovePromoChar = 0;
454 Boolean alarmSounded;
455 /* end premove variables */
457 char *ics_prefix = "$";
458 enum ICS_TYPE ics_type = ICS_GENERIC;
460 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
461 int pauseExamForwardMostMove = 0;
462 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
463 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
464 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
465 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
466 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
467 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
468 int whiteFlag = FALSE, blackFlag = FALSE;
469 int userOfferedDraw = FALSE;
470 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
471 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
472 int cmailMoveType[CMAIL_MAX_GAMES];
473 long ics_clock_paused = 0;
474 ProcRef icsPR = NoProc, cmailPR = NoProc;
475 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
476 GameMode gameMode = BeginningOfGame;
477 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
478 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
479 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
480 int hiddenThinkOutputState = 0; /* [AS] */
481 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
482 int adjudicateLossPlies = 6;
483 char white_holding[64], black_holding[64];
484 TimeMark lastNodeCountTime;
485 long lastNodeCount=0;
486 int shiftKey, controlKey; // [HGM] set by mouse handler
488 int have_sent_ICS_logon = 0;
490 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
491 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
492 Boolean adjustedClock;
493 long timeControl_2; /* [AS] Allow separate time controls */
494 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
495 long timeRemaining[2][MAX_MOVES];
496 int matchGame = 0, nextGame = 0, roundNr = 0;
497 Boolean waitingForGame = FALSE, startingEngine = FALSE;
498 TimeMark programStartTime, pauseStart;
499 char ics_handle[MSG_SIZ];
500 int have_set_title = 0;
502 /* animateTraining preserves the state of appData.animate
503 * when Training mode is activated. This allows the
504 * response to be animated when appData.animate == TRUE and
505 * appData.animateDragging == TRUE.
507 Boolean animateTraining;
513 Board boards[MAX_MOVES];
514 /* [HGM] Following 7 needed for accurate legality tests: */
515 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
516 signed char initialRights[BOARD_FILES];
517 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
518 int initialRulePlies, FENrulePlies;
519 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
521 Boolean shuffleOpenings;
522 int mute; // mute all sounds
524 // [HGM] vari: next 12 to save and restore variations
525 #define MAX_VARIATIONS 10
526 int framePtr = MAX_MOVES-1; // points to free stack entry
528 int savedFirst[MAX_VARIATIONS];
529 int savedLast[MAX_VARIATIONS];
530 int savedFramePtr[MAX_VARIATIONS];
531 char *savedDetails[MAX_VARIATIONS];
532 ChessMove savedResult[MAX_VARIATIONS];
534 void PushTail P((int firstMove, int lastMove));
535 Boolean PopTail P((Boolean annotate));
536 void PushInner P((int firstMove, int lastMove));
537 void PopInner P((Boolean annotate));
538 void CleanupTail P((void));
540 ChessSquare FIDEArray[2][BOARD_FILES] = {
541 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
542 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
544 BlackKing, BlackBishop, BlackKnight, BlackRook }
547 ChessSquare twoKingsArray[2][BOARD_FILES] = {
548 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
549 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
550 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
551 BlackKing, BlackKing, BlackKnight, BlackRook }
554 ChessSquare KnightmateArray[2][BOARD_FILES] = {
555 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
556 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
557 { BlackRook, BlackMan, BlackBishop, BlackQueen,
558 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
561 ChessSquare SpartanArray[2][BOARD_FILES] = {
562 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
563 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
564 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
565 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
568 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
569 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
570 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
571 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
572 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
575 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
576 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
577 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
578 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
579 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
582 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
583 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
584 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
585 { BlackRook, BlackKnight, BlackMan, BlackFerz,
586 BlackKing, BlackMan, BlackKnight, BlackRook }
589 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
590 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
591 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
592 { BlackRook, BlackKnight, BlackMan, BlackFerz,
593 BlackKing, BlackMan, BlackKnight, BlackRook }
596 ChessSquare lionArray[2][BOARD_FILES] = {
597 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
598 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
599 { BlackRook, BlackLion, BlackBishop, BlackQueen,
600 BlackKing, BlackBishop, BlackKnight, BlackRook }
604 #if (BOARD_FILES>=10)
605 ChessSquare ShogiArray[2][BOARD_FILES] = {
606 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
607 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
608 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
609 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
612 ChessSquare XiangqiArray[2][BOARD_FILES] = {
613 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
614 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
615 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
616 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
619 ChessSquare CapablancaArray[2][BOARD_FILES] = {
620 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
621 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
622 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
623 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
626 ChessSquare GreatArray[2][BOARD_FILES] = {
627 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
628 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
629 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
630 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
633 ChessSquare JanusArray[2][BOARD_FILES] = {
634 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
635 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
636 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
637 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
640 ChessSquare GrandArray[2][BOARD_FILES] = {
641 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
642 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
643 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
644 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
647 ChessSquare ChuChessArray[2][BOARD_FILES] = {
648 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
649 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
650 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
651 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
655 ChessSquare GothicArray[2][BOARD_FILES] = {
656 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
657 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
658 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
659 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
662 #define GothicArray CapablancaArray
666 ChessSquare FalconArray[2][BOARD_FILES] = {
667 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
668 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
669 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
670 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
673 #define FalconArray CapablancaArray
676 #else // !(BOARD_FILES>=10)
677 #define XiangqiPosition FIDEArray
678 #define CapablancaArray FIDEArray
679 #define GothicArray FIDEArray
680 #define GreatArray FIDEArray
681 #endif // !(BOARD_FILES>=10)
683 #if (BOARD_FILES>=12)
684 ChessSquare CourierArray[2][BOARD_FILES] = {
685 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
686 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
687 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
688 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
690 ChessSquare ChuArray[6][BOARD_FILES] = {
691 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
692 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
693 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
694 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
695 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
696 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
697 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
698 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
699 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
700 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
701 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
702 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
704 #else // !(BOARD_FILES>=12)
705 #define CourierArray CapablancaArray
706 #define ChuArray CapablancaArray
707 #endif // !(BOARD_FILES>=12)
710 Board initialPosition;
713 /* Convert str to a rating. Checks for special cases of "----",
715 "++++", etc. Also strips ()'s */
717 string_to_rating (char *str)
719 while(*str && !isdigit(*str)) ++str;
721 return 0; /* One of the special "no rating" cases */
729 /* Init programStats */
730 programStats.movelist[0] = 0;
731 programStats.depth = 0;
732 programStats.nr_moves = 0;
733 programStats.moves_left = 0;
734 programStats.nodes = 0;
735 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
736 programStats.score = 0;
737 programStats.got_only_move = 0;
738 programStats.got_fail = 0;
739 programStats.line_is_book = 0;
744 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
745 if (appData.firstPlaysBlack) {
746 first.twoMachinesColor = "black\n";
747 second.twoMachinesColor = "white\n";
749 first.twoMachinesColor = "white\n";
750 second.twoMachinesColor = "black\n";
753 first.other = &second;
754 second.other = &first;
757 if(appData.timeOddsMode) {
758 norm = appData.timeOdds[0];
759 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
761 first.timeOdds = appData.timeOdds[0]/norm;
762 second.timeOdds = appData.timeOdds[1]/norm;
765 if(programVersion) free(programVersion);
766 if (appData.noChessProgram) {
767 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
768 sprintf(programVersion, "%s", PACKAGE_STRING);
770 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
771 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
772 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
777 UnloadEngine (ChessProgramState *cps)
779 /* Kill off first chess program */
780 if (cps->isr != NULL)
781 RemoveInputSource(cps->isr);
784 if (cps->pr != NoProc) {
786 DoSleep( appData.delayBeforeQuit );
787 SendToProgram("quit\n", cps);
788 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
791 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
795 ClearOptions (ChessProgramState *cps)
798 cps->nrOptions = cps->comboCnt = 0;
799 for(i=0; i<MAX_OPTIONS; i++) {
800 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
801 cps->option[i].textValue = 0;
805 char *engineNames[] = {
806 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
807 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
809 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
810 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
815 InitEngine (ChessProgramState *cps, int n)
816 { // [HGM] all engine initialiation put in a function that does one engine
820 cps->which = engineNames[n];
821 cps->maybeThinking = FALSE;
825 cps->sendDrawOffers = 1;
827 cps->program = appData.chessProgram[n];
828 cps->host = appData.host[n];
829 cps->dir = appData.directory[n];
830 cps->initString = appData.engInitString[n];
831 cps->computerString = appData.computerString[n];
832 cps->useSigint = TRUE;
833 cps->useSigterm = TRUE;
834 cps->reuse = appData.reuse[n];
835 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
836 cps->useSetboard = FALSE;
838 cps->usePing = FALSE;
841 cps->usePlayother = FALSE;
842 cps->useColors = TRUE;
843 cps->useUsermove = FALSE;
844 cps->sendICS = FALSE;
845 cps->sendName = appData.icsActive;
846 cps->sdKludge = FALSE;
847 cps->stKludge = FALSE;
848 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
849 TidyProgramName(cps->program, cps->host, cps->tidy);
851 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
852 cps->analysisSupport = 2; /* detect */
853 cps->analyzing = FALSE;
854 cps->initDone = FALSE;
856 cps->pseudo = appData.pseudo[n];
858 /* New features added by Tord: */
859 cps->useFEN960 = FALSE;
860 cps->useOOCastle = TRUE;
861 /* End of new features added by Tord. */
862 cps->fenOverride = appData.fenOverride[n];
864 /* [HGM] time odds: set factor for each machine */
865 cps->timeOdds = appData.timeOdds[n];
867 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
868 cps->accumulateTC = appData.accumulateTC[n];
869 cps->maxNrOfSessions = 1;
874 cps->drawDepth = appData.drawDepth[n];
875 cps->supportsNPS = UNKNOWN;
876 cps->memSize = FALSE;
877 cps->maxCores = FALSE;
878 ASSIGN(cps->egtFormats, "");
881 cps->optionSettings = appData.engOptions[n];
883 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
884 cps->isUCI = appData.isUCI[n]; /* [AS] */
885 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
888 if (appData.protocolVersion[n] > PROTOVER
889 || appData.protocolVersion[n] < 1)
894 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
895 appData.protocolVersion[n]);
896 if( (len >= MSG_SIZ) && appData.debugMode )
897 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
899 DisplayFatalError(buf, 0, 2);
903 cps->protocolVersion = appData.protocolVersion[n];
906 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
907 ParseFeatures(appData.featureDefaults, cps);
910 ChessProgramState *savCps;
918 if(WaitForEngine(savCps, LoadEngine)) return;
919 CommonEngineInit(); // recalculate time odds
920 if(gameInfo.variant != StringToVariant(appData.variant)) {
921 // we changed variant when loading the engine; this forces us to reset
922 Reset(TRUE, savCps != &first);
923 oldMode = BeginningOfGame; // to prevent restoring old mode
925 InitChessProgram(savCps, FALSE);
926 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
927 DisplayMessage("", "");
928 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
929 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
932 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
936 ReplaceEngine (ChessProgramState *cps, int n)
938 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
940 if(oldMode != BeginningOfGame) EditGameEvent();
943 appData.noChessProgram = FALSE;
944 appData.clockMode = TRUE;
947 if(n) return; // only startup first engine immediately; second can wait
948 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
952 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
953 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
955 static char resetOptions[] =
956 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
957 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
958 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
959 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
962 FloatToFront(char **list, char *engineLine)
964 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
966 if(appData.recentEngines <= 0) return;
967 TidyProgramName(engineLine, "localhost", tidy+1);
968 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
969 strncpy(buf+1, *list, MSG_SIZ-50);
970 if(p = strstr(buf, tidy)) { // tidy name appears in list
971 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
972 while(*p++ = *++q); // squeeze out
974 strcat(tidy, buf+1); // put list behind tidy name
975 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
976 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
977 ASSIGN(*list, tidy+1);
980 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
983 Load (ChessProgramState *cps, int i)
985 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
986 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
987 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
988 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
989 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
990 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
991 appData.firstProtocolVersion = PROTOVER;
992 ParseArgsFromString(buf);
994 ReplaceEngine(cps, i);
995 FloatToFront(&appData.recentEngineList, engineLine);
999 while(q = strchr(p, SLASH)) p = q+1;
1000 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1001 if(engineDir[0] != NULLCHAR) {
1002 ASSIGN(appData.directory[i], engineDir); p = engineName;
1003 } else if(p != engineName) { // derive directory from engine path, when not given
1005 ASSIGN(appData.directory[i], engineName);
1007 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1008 } else { ASSIGN(appData.directory[i], "."); }
1009 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1011 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1012 snprintf(command, MSG_SIZ, "%s %s", p, params);
1015 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1016 ASSIGN(appData.chessProgram[i], p);
1017 appData.isUCI[i] = isUCI;
1018 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1019 appData.hasOwnBookUCI[i] = hasBook;
1020 if(!nickName[0]) useNick = FALSE;
1021 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1025 q = firstChessProgramNames;
1026 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1027 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1028 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1029 quote, p, quote, appData.directory[i],
1030 useNick ? " -fn \"" : "",
1031 useNick ? nickName : "",
1032 useNick ? "\"" : "",
1033 v1 ? " -firstProtocolVersion 1" : "",
1034 hasBook ? "" : " -fNoOwnBookUCI",
1035 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1036 storeVariant ? " -variant " : "",
1037 storeVariant ? VariantName(gameInfo.variant) : "");
1038 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1039 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1040 if(insert != q) insert[-1] = NULLCHAR;
1041 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1043 FloatToFront(&appData.recentEngineList, buf);
1045 ReplaceEngine(cps, i);
1051 int matched, min, sec;
1053 * Parse timeControl resource
1055 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1056 appData.movesPerSession)) {
1058 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1059 DisplayFatalError(buf, 0, 2);
1063 * Parse searchTime resource
1065 if (*appData.searchTime != NULLCHAR) {
1066 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1068 searchTime = min * 60;
1069 } else if (matched == 2) {
1070 searchTime = min * 60 + sec;
1073 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1074 DisplayFatalError(buf, 0, 2);
1083 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1084 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1086 GetTimeMark(&programStartTime);
1087 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1088 appData.seedBase = random() + (random()<<15);
1089 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1091 ClearProgramStats();
1092 programStats.ok_to_send = 1;
1093 programStats.seen_stat = 0;
1096 * Initialize game list
1102 * Internet chess server status
1104 if (appData.icsActive) {
1105 appData.matchMode = FALSE;
1106 appData.matchGames = 0;
1108 appData.noChessProgram = !appData.zippyPlay;
1110 appData.zippyPlay = FALSE;
1111 appData.zippyTalk = FALSE;
1112 appData.noChessProgram = TRUE;
1114 if (*appData.icsHelper != NULLCHAR) {
1115 appData.useTelnet = TRUE;
1116 appData.telnetProgram = appData.icsHelper;
1119 appData.zippyTalk = appData.zippyPlay = FALSE;
1122 /* [AS] Initialize pv info list [HGM] and game state */
1126 for( i=0; i<=framePtr; i++ ) {
1127 pvInfoList[i].depth = -1;
1128 boards[i][EP_STATUS] = EP_NONE;
1129 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1135 /* [AS] Adjudication threshold */
1136 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1138 InitEngine(&first, 0);
1139 InitEngine(&second, 1);
1142 pairing.which = "pairing"; // pairing engine
1143 pairing.pr = NoProc;
1145 pairing.program = appData.pairingEngine;
1146 pairing.host = "localhost";
1149 if (appData.icsActive) {
1150 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1151 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1152 appData.clockMode = FALSE;
1153 first.sendTime = second.sendTime = 0;
1157 /* Override some settings from environment variables, for backward
1158 compatibility. Unfortunately it's not feasible to have the env
1159 vars just set defaults, at least in xboard. Ugh.
1161 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1166 if (!appData.icsActive) {
1170 /* Check for variants that are supported only in ICS mode,
1171 or not at all. Some that are accepted here nevertheless
1172 have bugs; see comments below.
1174 VariantClass variant = StringToVariant(appData.variant);
1176 case VariantBughouse: /* need four players and two boards */
1177 case VariantKriegspiel: /* need to hide pieces and move details */
1178 /* case VariantFischeRandom: (Fabien: moved below) */
1179 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1180 if( (len >= MSG_SIZ) && appData.debugMode )
1181 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1183 DisplayFatalError(buf, 0, 2);
1186 case VariantUnknown:
1187 case VariantLoadable:
1197 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1198 if( (len >= MSG_SIZ) && appData.debugMode )
1199 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1201 DisplayFatalError(buf, 0, 2);
1204 case VariantNormal: /* definitely works! */
1205 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1206 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1209 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1210 case VariantFairy: /* [HGM] TestLegality definitely off! */
1211 case VariantGothic: /* [HGM] should work */
1212 case VariantCapablanca: /* [HGM] should work */
1213 case VariantCourier: /* [HGM] initial forced moves not implemented */
1214 case VariantShogi: /* [HGM] could still mate with pawn drop */
1215 case VariantChu: /* [HGM] experimental */
1216 case VariantKnightmate: /* [HGM] should work */
1217 case VariantCylinder: /* [HGM] untested */
1218 case VariantFalcon: /* [HGM] untested */
1219 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1220 offboard interposition not understood */
1221 case VariantWildCastle: /* pieces not automatically shuffled */
1222 case VariantNoCastle: /* pieces not automatically shuffled */
1223 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1224 case VariantLosers: /* should work except for win condition,
1225 and doesn't know captures are mandatory */
1226 case VariantSuicide: /* should work except for win condition,
1227 and doesn't know captures are mandatory */
1228 case VariantGiveaway: /* should work except for win condition,
1229 and doesn't know captures are mandatory */
1230 case VariantTwoKings: /* should work */
1231 case VariantAtomic: /* should work except for win condition */
1232 case Variant3Check: /* should work except for win condition */
1233 case VariantShatranj: /* should work except for all win conditions */
1234 case VariantMakruk: /* should work except for draw countdown */
1235 case VariantASEAN : /* should work except for draw countdown */
1236 case VariantBerolina: /* might work if TestLegality is off */
1237 case VariantCapaRandom: /* should work */
1238 case VariantJanus: /* should work */
1239 case VariantSuper: /* experimental */
1240 case VariantGreat: /* experimental, requires legality testing to be off */
1241 case VariantSChess: /* S-Chess, should work */
1242 case VariantGrand: /* should work */
1243 case VariantSpartan: /* should work */
1244 case VariantLion: /* should work */
1245 case VariantChuChess: /* should work */
1253 NextIntegerFromString (char ** str, long * value)
1258 while( *s == ' ' || *s == '\t' ) {
1264 if( *s >= '0' && *s <= '9' ) {
1265 while( *s >= '0' && *s <= '9' ) {
1266 *value = *value * 10 + (*s - '0');
1279 NextTimeControlFromString (char ** str, long * value)
1282 int result = NextIntegerFromString( str, &temp );
1285 *value = temp * 60; /* Minutes */
1286 if( **str == ':' ) {
1288 result = NextIntegerFromString( str, &temp );
1289 *value += temp; /* Seconds */
1297 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1298 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1299 int result = -1, type = 0; long temp, temp2;
1301 if(**str != ':') return -1; // old params remain in force!
1303 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1304 if( NextIntegerFromString( str, &temp ) ) return -1;
1305 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1308 /* time only: incremental or sudden-death time control */
1309 if(**str == '+') { /* increment follows; read it */
1311 if(**str == '!') type = *(*str)++; // Bronstein TC
1312 if(result = NextIntegerFromString( str, &temp2)) return -1;
1313 *inc = temp2 * 1000;
1314 if(**str == '.') { // read fraction of increment
1315 char *start = ++(*str);
1316 if(result = NextIntegerFromString( str, &temp2)) return -1;
1318 while(start++ < *str) temp2 /= 10;
1322 *moves = 0; *tc = temp * 1000; *incType = type;
1326 (*str)++; /* classical time control */
1327 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1339 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1340 { /* [HGM] get time to add from the multi-session time-control string */
1341 int incType, moves=1; /* kludge to force reading of first session */
1342 long time, increment;
1345 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1347 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1348 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1349 if(movenr == -1) return time; /* last move before new session */
1350 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1351 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1352 if(!moves) return increment; /* current session is incremental */
1353 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1354 } while(movenr >= -1); /* try again for next session */
1356 return 0; // no new time quota on this move
1360 ParseTimeControl (char *tc, float ti, int mps)
1364 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1367 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1368 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1369 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1373 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1375 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1378 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1380 snprintf(buf, MSG_SIZ, ":%s", mytc);
1382 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1384 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1389 /* Parse second time control */
1392 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1400 timeControl_2 = tc2 * 1000;
1410 timeControl = tc1 * 1000;
1413 timeIncrement = ti * 1000; /* convert to ms */
1414 movesPerSession = 0;
1417 movesPerSession = mps;
1425 if (appData.debugMode) {
1426 # ifdef __GIT_VERSION
1427 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1429 fprintf(debugFP, "Version: %s\n", programVersion);
1432 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1434 set_cont_sequence(appData.wrapContSeq);
1435 if (appData.matchGames > 0) {
1436 appData.matchMode = TRUE;
1437 } else if (appData.matchMode) {
1438 appData.matchGames = 1;
1440 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1441 appData.matchGames = appData.sameColorGames;
1442 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1443 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1444 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1447 if (appData.noChessProgram || first.protocolVersion == 1) {
1450 /* kludge: allow timeout for initial "feature" commands */
1452 DisplayMessage("", _("Starting chess program"));
1453 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1458 CalculateIndex (int index, int gameNr)
1459 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1461 if(index > 0) return index; // fixed nmber
1462 if(index == 0) return 1;
1463 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1464 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1469 LoadGameOrPosition (int gameNr)
1470 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1471 if (*appData.loadGameFile != NULLCHAR) {
1472 if (!LoadGameFromFile(appData.loadGameFile,
1473 CalculateIndex(appData.loadGameIndex, gameNr),
1474 appData.loadGameFile, FALSE)) {
1475 DisplayFatalError(_("Bad game file"), 0, 1);
1478 } else if (*appData.loadPositionFile != NULLCHAR) {
1479 if (!LoadPositionFromFile(appData.loadPositionFile,
1480 CalculateIndex(appData.loadPositionIndex, gameNr),
1481 appData.loadPositionFile)) {
1482 DisplayFatalError(_("Bad position file"), 0, 1);
1490 ReserveGame (int gameNr, char resChar)
1492 FILE *tf = fopen(appData.tourneyFile, "r+");
1493 char *p, *q, c, buf[MSG_SIZ];
1494 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1495 safeStrCpy(buf, lastMsg, MSG_SIZ);
1496 DisplayMessage(_("Pick new game"), "");
1497 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1498 ParseArgsFromFile(tf);
1499 p = q = appData.results;
1500 if(appData.debugMode) {
1501 char *r = appData.participants;
1502 fprintf(debugFP, "results = '%s'\n", p);
1503 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1504 fprintf(debugFP, "\n");
1506 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1508 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1509 safeStrCpy(q, p, strlen(p) + 2);
1510 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1511 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1512 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1513 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1516 fseek(tf, -(strlen(p)+4), SEEK_END);
1518 if(c != '"') // depending on DOS or Unix line endings we can be one off
1519 fseek(tf, -(strlen(p)+2), SEEK_END);
1520 else fseek(tf, -(strlen(p)+3), SEEK_END);
1521 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1522 DisplayMessage(buf, "");
1523 free(p); appData.results = q;
1524 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1525 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1526 int round = appData.defaultMatchGames * appData.tourneyType;
1527 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1528 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1529 UnloadEngine(&first); // next game belongs to other pairing;
1530 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1532 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1536 MatchEvent (int mode)
1537 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1539 if(matchMode) { // already in match mode: switch it off
1541 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1544 // if(gameMode != BeginningOfGame) {
1545 // DisplayError(_("You can only start a match from the initial position."), 0);
1549 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1550 /* Set up machine vs. machine match */
1552 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1553 if(appData.tourneyFile[0]) {
1555 if(nextGame > appData.matchGames) {
1557 if(strchr(appData.results, '*') == NULL) {
1559 appData.tourneyCycles++;
1560 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1562 NextTourneyGame(-1, &dummy);
1564 if(nextGame <= appData.matchGames) {
1565 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1567 ScheduleDelayedEvent(NextMatchGame, 10000);
1572 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1573 DisplayError(buf, 0);
1574 appData.tourneyFile[0] = 0;
1578 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1579 DisplayFatalError(_("Can't have a match with no chess programs"),
1584 matchGame = roundNr = 1;
1585 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1589 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1592 InitBackEnd3 P((void))
1594 GameMode initialMode;
1598 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1599 !strcmp(appData.variant, "normal") && // no explicit variant request
1600 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1601 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1602 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1603 char c, *q = first.variants, *p = strchr(q, ',');
1604 if(p) *p = NULLCHAR;
1605 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1607 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1608 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1609 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1610 Reset(TRUE, FALSE); // and re-initialize
1615 InitChessProgram(&first, startedFromSetupPosition);
1617 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1618 free(programVersion);
1619 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1620 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1621 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1624 if (appData.icsActive) {
1626 /* [DM] Make a console window if needed [HGM] merged ifs */
1632 if (*appData.icsCommPort != NULLCHAR)
1633 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1634 appData.icsCommPort);
1636 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1637 appData.icsHost, appData.icsPort);
1639 if( (len >= MSG_SIZ) && appData.debugMode )
1640 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1642 DisplayFatalError(buf, err, 1);
1647 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1649 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1650 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1651 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1652 } else if (appData.noChessProgram) {
1658 if (*appData.cmailGameName != NULLCHAR) {
1660 OpenLoopback(&cmailPR);
1662 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1666 DisplayMessage("", "");
1667 if (StrCaseCmp(appData.initialMode, "") == 0) {
1668 initialMode = BeginningOfGame;
1669 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1670 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1671 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1672 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1675 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1676 initialMode = TwoMachinesPlay;
1677 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1678 initialMode = AnalyzeFile;
1679 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1680 initialMode = AnalyzeMode;
1681 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1682 initialMode = MachinePlaysWhite;
1683 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1684 initialMode = MachinePlaysBlack;
1685 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1686 initialMode = EditGame;
1687 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1688 initialMode = EditPosition;
1689 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1690 initialMode = Training;
1692 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1693 if( (len >= MSG_SIZ) && appData.debugMode )
1694 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1696 DisplayFatalError(buf, 0, 2);
1700 if (appData.matchMode) {
1701 if(appData.tourneyFile[0]) { // start tourney from command line
1703 if(f = fopen(appData.tourneyFile, "r")) {
1704 ParseArgsFromFile(f); // make sure tourney parmeters re known
1706 appData.clockMode = TRUE;
1708 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1711 } else if (*appData.cmailGameName != NULLCHAR) {
1712 /* Set up cmail mode */
1713 ReloadCmailMsgEvent(TRUE);
1715 /* Set up other modes */
1716 if (initialMode == AnalyzeFile) {
1717 if (*appData.loadGameFile == NULLCHAR) {
1718 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1722 if (*appData.loadGameFile != NULLCHAR) {
1723 (void) LoadGameFromFile(appData.loadGameFile,
1724 appData.loadGameIndex,
1725 appData.loadGameFile, TRUE);
1726 } else if (*appData.loadPositionFile != NULLCHAR) {
1727 (void) LoadPositionFromFile(appData.loadPositionFile,
1728 appData.loadPositionIndex,
1729 appData.loadPositionFile);
1730 /* [HGM] try to make self-starting even after FEN load */
1731 /* to allow automatic setup of fairy variants with wtm */
1732 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1733 gameMode = BeginningOfGame;
1734 setboardSpoiledMachineBlack = 1;
1736 /* [HGM] loadPos: make that every new game uses the setup */
1737 /* from file as long as we do not switch variant */
1738 if(!blackPlaysFirst) {
1739 startedFromPositionFile = TRUE;
1740 CopyBoard(filePosition, boards[0]);
1743 if (initialMode == AnalyzeMode) {
1744 if (appData.noChessProgram) {
1745 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1748 if (appData.icsActive) {
1749 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1753 } else if (initialMode == AnalyzeFile) {
1754 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1755 ShowThinkingEvent();
1757 AnalysisPeriodicEvent(1);
1758 } else if (initialMode == MachinePlaysWhite) {
1759 if (appData.noChessProgram) {
1760 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1764 if (appData.icsActive) {
1765 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1769 MachineWhiteEvent();
1770 } else if (initialMode == MachinePlaysBlack) {
1771 if (appData.noChessProgram) {
1772 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1776 if (appData.icsActive) {
1777 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1781 MachineBlackEvent();
1782 } else if (initialMode == TwoMachinesPlay) {
1783 if (appData.noChessProgram) {
1784 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1788 if (appData.icsActive) {
1789 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1794 } else if (initialMode == EditGame) {
1796 } else if (initialMode == EditPosition) {
1797 EditPositionEvent();
1798 } else if (initialMode == Training) {
1799 if (*appData.loadGameFile == NULLCHAR) {
1800 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1809 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1811 DisplayBook(current+1);
1813 MoveHistorySet( movelist, first, last, current, pvInfoList );
1815 EvalGraphSet( first, last, current, pvInfoList );
1817 MakeEngineOutputTitle();
1821 * Establish will establish a contact to a remote host.port.
1822 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1823 * used to talk to the host.
1824 * Returns 0 if okay, error code if not.
1831 if (*appData.icsCommPort != NULLCHAR) {
1832 /* Talk to the host through a serial comm port */
1833 return OpenCommPort(appData.icsCommPort, &icsPR);
1835 } else if (*appData.gateway != NULLCHAR) {
1836 if (*appData.remoteShell == NULLCHAR) {
1837 /* Use the rcmd protocol to run telnet program on a gateway host */
1838 snprintf(buf, sizeof(buf), "%s %s %s",
1839 appData.telnetProgram, appData.icsHost, appData.icsPort);
1840 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1843 /* Use the rsh program to run telnet program on a gateway host */
1844 if (*appData.remoteUser == NULLCHAR) {
1845 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1846 appData.gateway, appData.telnetProgram,
1847 appData.icsHost, appData.icsPort);
1849 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1850 appData.remoteShell, appData.gateway,
1851 appData.remoteUser, appData.telnetProgram,
1852 appData.icsHost, appData.icsPort);
1854 return StartChildProcess(buf, "", &icsPR);
1857 } else if (appData.useTelnet) {
1858 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1861 /* TCP socket interface differs somewhat between
1862 Unix and NT; handle details in the front end.
1864 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1869 EscapeExpand (char *p, char *q)
1870 { // [HGM] initstring: routine to shape up string arguments
1871 while(*p++ = *q++) if(p[-1] == '\\')
1873 case 'n': p[-1] = '\n'; break;
1874 case 'r': p[-1] = '\r'; break;
1875 case 't': p[-1] = '\t'; break;
1876 case '\\': p[-1] = '\\'; break;
1877 case 0: *p = 0; return;
1878 default: p[-1] = q[-1]; break;
1883 show_bytes (FILE *fp, char *buf, int count)
1886 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1887 fprintf(fp, "\\%03o", *buf & 0xff);
1896 /* Returns an errno value */
1898 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1900 char buf[8192], *p, *q, *buflim;
1901 int left, newcount, outcount;
1903 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1904 *appData.gateway != NULLCHAR) {
1905 if (appData.debugMode) {
1906 fprintf(debugFP, ">ICS: ");
1907 show_bytes(debugFP, message, count);
1908 fprintf(debugFP, "\n");
1910 return OutputToProcess(pr, message, count, outError);
1913 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1920 if (appData.debugMode) {
1921 fprintf(debugFP, ">ICS: ");
1922 show_bytes(debugFP, buf, newcount);
1923 fprintf(debugFP, "\n");
1925 outcount = OutputToProcess(pr, buf, newcount, outError);
1926 if (outcount < newcount) return -1; /* to be sure */
1933 } else if (((unsigned char) *p) == TN_IAC) {
1934 *q++ = (char) TN_IAC;
1941 if (appData.debugMode) {
1942 fprintf(debugFP, ">ICS: ");
1943 show_bytes(debugFP, buf, newcount);
1944 fprintf(debugFP, "\n");
1946 outcount = OutputToProcess(pr, buf, newcount, outError);
1947 if (outcount < newcount) return -1; /* to be sure */
1952 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1954 int outError, outCount;
1955 static int gotEof = 0;
1958 /* Pass data read from player on to ICS */
1961 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1962 if (outCount < count) {
1963 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1965 if(have_sent_ICS_logon == 2) {
1966 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1967 fprintf(ini, "%s", message);
1968 have_sent_ICS_logon = 3;
1970 have_sent_ICS_logon = 1;
1971 } else if(have_sent_ICS_logon == 3) {
1972 fprintf(ini, "%s", message);
1974 have_sent_ICS_logon = 1;
1976 } else if (count < 0) {
1977 RemoveInputSource(isr);
1978 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1979 } else if (gotEof++ > 0) {
1980 RemoveInputSource(isr);
1981 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1987 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1988 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1989 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1990 SendToICS("date\n");
1991 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1994 /* added routine for printf style output to ics */
1996 ics_printf (char *format, ...)
1998 char buffer[MSG_SIZ];
2001 va_start(args, format);
2002 vsnprintf(buffer, sizeof(buffer), format, args);
2003 buffer[sizeof(buffer)-1] = '\0';
2011 int count, outCount, outError;
2013 if (icsPR == NoProc) return;
2016 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2017 if (outCount < count) {
2018 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2022 /* This is used for sending logon scripts to the ICS. Sending
2023 without a delay causes problems when using timestamp on ICC
2024 (at least on my machine). */
2026 SendToICSDelayed (char *s, long msdelay)
2028 int count, outCount, outError;
2030 if (icsPR == NoProc) return;
2033 if (appData.debugMode) {
2034 fprintf(debugFP, ">ICS: ");
2035 show_bytes(debugFP, s, count);
2036 fprintf(debugFP, "\n");
2038 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2040 if (outCount < count) {
2041 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2046 /* Remove all highlighting escape sequences in s
2047 Also deletes any suffix starting with '('
2050 StripHighlightAndTitle (char *s)
2052 static char retbuf[MSG_SIZ];
2055 while (*s != NULLCHAR) {
2056 while (*s == '\033') {
2057 while (*s != NULLCHAR && !isalpha(*s)) s++;
2058 if (*s != NULLCHAR) s++;
2060 while (*s != NULLCHAR && *s != '\033') {
2061 if (*s == '(' || *s == '[') {
2072 /* Remove all highlighting escape sequences in s */
2074 StripHighlight (char *s)
2076 static char retbuf[MSG_SIZ];
2079 while (*s != NULLCHAR) {
2080 while (*s == '\033') {
2081 while (*s != NULLCHAR && !isalpha(*s)) s++;
2082 if (*s != NULLCHAR) s++;
2084 while (*s != NULLCHAR && *s != '\033') {
2092 char engineVariant[MSG_SIZ];
2093 char *variantNames[] = VARIANT_NAMES;
2095 VariantName (VariantClass v)
2097 if(v == VariantUnknown || *engineVariant) return engineVariant;
2098 return variantNames[v];
2102 /* Identify a variant from the strings the chess servers use or the
2103 PGN Variant tag names we use. */
2105 StringToVariant (char *e)
2109 VariantClass v = VariantNormal;
2110 int i, found = FALSE;
2111 char buf[MSG_SIZ], c;
2116 /* [HGM] skip over optional board-size prefixes */
2117 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2118 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2119 while( *e++ != '_');
2122 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2126 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2127 if (p = StrCaseStr(e, variantNames[i])) {
2128 if(p && i >= VariantShogi && (p != e || isalpha(p[strlen(variantNames[i])]))) continue;
2129 v = (VariantClass) i;
2136 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2137 || StrCaseStr(e, "wild/fr")
2138 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2139 v = VariantFischeRandom;
2140 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2141 (i = 1, p = StrCaseStr(e, "w"))) {
2143 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2150 case 0: /* FICS only, actually */
2152 /* Castling legal even if K starts on d-file */
2153 v = VariantWildCastle;
2158 /* Castling illegal even if K & R happen to start in
2159 normal positions. */
2160 v = VariantNoCastle;
2173 /* Castling legal iff K & R start in normal positions */
2179 /* Special wilds for position setup; unclear what to do here */
2180 v = VariantLoadable;
2183 /* Bizarre ICC game */
2184 v = VariantTwoKings;
2187 v = VariantKriegspiel;
2193 v = VariantFischeRandom;
2196 v = VariantCrazyhouse;
2199 v = VariantBughouse;
2205 /* Not quite the same as FICS suicide! */
2206 v = VariantGiveaway;
2212 v = VariantShatranj;
2215 /* Temporary names for future ICC types. The name *will* change in
2216 the next xboard/WinBoard release after ICC defines it. */
2254 v = VariantCapablanca;
2257 v = VariantKnightmate;
2263 v = VariantCylinder;
2269 v = VariantCapaRandom;
2272 v = VariantBerolina;
2284 /* Found "wild" or "w" in the string but no number;
2285 must assume it's normal chess. */
2289 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2290 if( (len >= MSG_SIZ) && appData.debugMode )
2291 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2293 DisplayError(buf, 0);
2299 if (appData.debugMode) {
2300 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2301 e, wnum, VariantName(v));
2306 static int leftover_start = 0, leftover_len = 0;
2307 char star_match[STAR_MATCH_N][MSG_SIZ];
2309 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2310 advance *index beyond it, and set leftover_start to the new value of
2311 *index; else return FALSE. If pattern contains the character '*', it
2312 matches any sequence of characters not containing '\r', '\n', or the
2313 character following the '*' (if any), and the matched sequence(s) are
2314 copied into star_match.
2317 looking_at ( char *buf, int *index, char *pattern)
2319 char *bufp = &buf[*index], *patternp = pattern;
2321 char *matchp = star_match[0];
2324 if (*patternp == NULLCHAR) {
2325 *index = leftover_start = bufp - buf;
2329 if (*bufp == NULLCHAR) return FALSE;
2330 if (*patternp == '*') {
2331 if (*bufp == *(patternp + 1)) {
2333 matchp = star_match[++star_count];
2337 } else if (*bufp == '\n' || *bufp == '\r') {
2339 if (*patternp == NULLCHAR)
2344 *matchp++ = *bufp++;
2348 if (*patternp != *bufp) return FALSE;
2355 SendToPlayer (char *data, int length)
2357 int error, outCount;
2358 outCount = OutputToProcess(NoProc, data, length, &error);
2359 if (outCount < length) {
2360 DisplayFatalError(_("Error writing to display"), error, 1);
2365 PackHolding (char packed[], char *holding)
2375 switch (runlength) {
2386 sprintf(q, "%d", runlength);
2398 /* Telnet protocol requests from the front end */
2400 TelnetRequest (unsigned char ddww, unsigned char option)
2402 unsigned char msg[3];
2403 int outCount, outError;
2405 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2407 if (appData.debugMode) {
2408 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2424 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2433 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2436 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2441 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2443 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2450 if (!appData.icsActive) return;
2451 TelnetRequest(TN_DO, TN_ECHO);
2457 if (!appData.icsActive) return;
2458 TelnetRequest(TN_DONT, TN_ECHO);
2462 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2464 /* put the holdings sent to us by the server on the board holdings area */
2465 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2469 if(gameInfo.holdingsWidth < 2) return;
2470 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2471 return; // prevent overwriting by pre-board holdings
2473 if( (int)lowestPiece >= BlackPawn ) {
2476 holdingsStartRow = BOARD_HEIGHT-1;
2479 holdingsColumn = BOARD_WIDTH-1;
2480 countsColumn = BOARD_WIDTH-2;
2481 holdingsStartRow = 0;
2485 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2486 board[i][holdingsColumn] = EmptySquare;
2487 board[i][countsColumn] = (ChessSquare) 0;
2489 while( (p=*holdings++) != NULLCHAR ) {
2490 piece = CharToPiece( ToUpper(p) );
2491 if(piece == EmptySquare) continue;
2492 /*j = (int) piece - (int) WhitePawn;*/
2493 j = PieceToNumber(piece);
2494 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2495 if(j < 0) continue; /* should not happen */
2496 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2497 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2498 board[holdingsStartRow+j*direction][countsColumn]++;
2504 VariantSwitch (Board board, VariantClass newVariant)
2506 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2507 static Board oldBoard;
2509 startedFromPositionFile = FALSE;
2510 if(gameInfo.variant == newVariant) return;
2512 /* [HGM] This routine is called each time an assignment is made to
2513 * gameInfo.variant during a game, to make sure the board sizes
2514 * are set to match the new variant. If that means adding or deleting
2515 * holdings, we shift the playing board accordingly
2516 * This kludge is needed because in ICS observe mode, we get boards
2517 * of an ongoing game without knowing the variant, and learn about the
2518 * latter only later. This can be because of the move list we requested,
2519 * in which case the game history is refilled from the beginning anyway,
2520 * but also when receiving holdings of a crazyhouse game. In the latter
2521 * case we want to add those holdings to the already received position.
2525 if (appData.debugMode) {
2526 fprintf(debugFP, "Switch board from %s to %s\n",
2527 VariantName(gameInfo.variant), VariantName(newVariant));
2528 setbuf(debugFP, NULL);
2530 shuffleOpenings = 0; /* [HGM] shuffle */
2531 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2535 newWidth = 9; newHeight = 9;
2536 gameInfo.holdingsSize = 7;
2537 case VariantBughouse:
2538 case VariantCrazyhouse:
2539 newHoldingsWidth = 2; break;
2543 newHoldingsWidth = 2;
2544 gameInfo.holdingsSize = 8;
2547 case VariantCapablanca:
2548 case VariantCapaRandom:
2551 newHoldingsWidth = gameInfo.holdingsSize = 0;
2554 if(newWidth != gameInfo.boardWidth ||
2555 newHeight != gameInfo.boardHeight ||
2556 newHoldingsWidth != gameInfo.holdingsWidth ) {
2558 /* shift position to new playing area, if needed */
2559 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2560 for(i=0; i<BOARD_HEIGHT; i++)
2561 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2562 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2564 for(i=0; i<newHeight; i++) {
2565 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2566 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2568 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2569 for(i=0; i<BOARD_HEIGHT; i++)
2570 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2571 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2574 board[HOLDINGS_SET] = 0;
2575 gameInfo.boardWidth = newWidth;
2576 gameInfo.boardHeight = newHeight;
2577 gameInfo.holdingsWidth = newHoldingsWidth;
2578 gameInfo.variant = newVariant;
2579 InitDrawingSizes(-2, 0);
2580 } else gameInfo.variant = newVariant;
2581 CopyBoard(oldBoard, board); // remember correctly formatted board
2582 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2583 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2586 static int loggedOn = FALSE;
2588 /*-- Game start info cache: --*/
2590 char gs_kind[MSG_SIZ];
2591 static char player1Name[128] = "";
2592 static char player2Name[128] = "";
2593 static char cont_seq[] = "\n\\ ";
2594 static int player1Rating = -1;
2595 static int player2Rating = -1;
2596 /*----------------------------*/
2598 ColorClass curColor = ColorNormal;
2599 int suppressKibitz = 0;
2602 Boolean soughtPending = FALSE;
2603 Boolean seekGraphUp;
2604 #define MAX_SEEK_ADS 200
2606 char *seekAdList[MAX_SEEK_ADS];
2607 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2608 float tcList[MAX_SEEK_ADS];
2609 char colorList[MAX_SEEK_ADS];
2610 int nrOfSeekAds = 0;
2611 int minRating = 1010, maxRating = 2800;
2612 int hMargin = 10, vMargin = 20, h, w;
2613 extern int squareSize, lineGap;
2618 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2619 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2620 if(r < minRating+100 && r >=0 ) r = minRating+100;
2621 if(r > maxRating) r = maxRating;
2622 if(tc < 1.f) tc = 1.f;
2623 if(tc > 95.f) tc = 95.f;
2624 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2625 y = ((double)r - minRating)/(maxRating - minRating)
2626 * (h-vMargin-squareSize/8-1) + vMargin;
2627 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2628 if(strstr(seekAdList[i], " u ")) color = 1;
2629 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2630 !strstr(seekAdList[i], "bullet") &&
2631 !strstr(seekAdList[i], "blitz") &&
2632 !strstr(seekAdList[i], "standard") ) color = 2;
2633 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2634 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2638 PlotSingleSeekAd (int i)
2644 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2646 char buf[MSG_SIZ], *ext = "";
2647 VariantClass v = StringToVariant(type);
2648 if(strstr(type, "wild")) {
2649 ext = type + 4; // append wild number
2650 if(v == VariantFischeRandom) type = "chess960"; else
2651 if(v == VariantLoadable) type = "setup"; else
2652 type = VariantName(v);
2654 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2655 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2656 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2657 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2658 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2659 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2660 seekNrList[nrOfSeekAds] = nr;
2661 zList[nrOfSeekAds] = 0;
2662 seekAdList[nrOfSeekAds++] = StrSave(buf);
2663 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2668 EraseSeekDot (int i)
2670 int x = xList[i], y = yList[i], d=squareSize/4, k;
2671 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2672 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2673 // now replot every dot that overlapped
2674 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2675 int xx = xList[k], yy = yList[k];
2676 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2677 DrawSeekDot(xx, yy, colorList[k]);
2682 RemoveSeekAd (int nr)
2685 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2687 if(seekAdList[i]) free(seekAdList[i]);
2688 seekAdList[i] = seekAdList[--nrOfSeekAds];
2689 seekNrList[i] = seekNrList[nrOfSeekAds];
2690 ratingList[i] = ratingList[nrOfSeekAds];
2691 colorList[i] = colorList[nrOfSeekAds];
2692 tcList[i] = tcList[nrOfSeekAds];
2693 xList[i] = xList[nrOfSeekAds];
2694 yList[i] = yList[nrOfSeekAds];
2695 zList[i] = zList[nrOfSeekAds];
2696 seekAdList[nrOfSeekAds] = NULL;
2702 MatchSoughtLine (char *line)
2704 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2705 int nr, base, inc, u=0; char dummy;
2707 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2708 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2710 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2711 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2712 // match: compact and save the line
2713 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2723 if(!seekGraphUp) return FALSE;
2724 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2725 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2727 DrawSeekBackground(0, 0, w, h);
2728 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2729 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2730 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2731 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2733 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2736 snprintf(buf, MSG_SIZ, "%d", i);
2737 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2740 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2741 for(i=1; i<100; i+=(i<10?1:5)) {
2742 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2743 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2744 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2746 snprintf(buf, MSG_SIZ, "%d", i);
2747 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2750 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2755 SeekGraphClick (ClickType click, int x, int y, int moving)
2757 static int lastDown = 0, displayed = 0, lastSecond;
2758 if(y < 0) return FALSE;
2759 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2760 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2761 if(!seekGraphUp) return FALSE;
2762 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2763 DrawPosition(TRUE, NULL);
2766 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2767 if(click == Release || moving) return FALSE;
2769 soughtPending = TRUE;
2770 SendToICS(ics_prefix);
2771 SendToICS("sought\n"); // should this be "sought all"?
2772 } else { // issue challenge based on clicked ad
2773 int dist = 10000; int i, closest = 0, second = 0;
2774 for(i=0; i<nrOfSeekAds; i++) {
2775 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2776 if(d < dist) { dist = d; closest = i; }
2777 second += (d - zList[i] < 120); // count in-range ads
2778 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2782 second = (second > 1);
2783 if(displayed != closest || second != lastSecond) {
2784 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2785 lastSecond = second; displayed = closest;
2787 if(click == Press) {
2788 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2791 } // on press 'hit', only show info
2792 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2793 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2794 SendToICS(ics_prefix);
2796 return TRUE; // let incoming board of started game pop down the graph
2797 } else if(click == Release) { // release 'miss' is ignored
2798 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2799 if(moving == 2) { // right up-click
2800 nrOfSeekAds = 0; // refresh graph
2801 soughtPending = TRUE;
2802 SendToICS(ics_prefix);
2803 SendToICS("sought\n"); // should this be "sought all"?
2806 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2807 // press miss or release hit 'pop down' seek graph
2808 seekGraphUp = FALSE;
2809 DrawPosition(TRUE, NULL);
2815 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2817 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2818 #define STARTED_NONE 0
2819 #define STARTED_MOVES 1
2820 #define STARTED_BOARD 2
2821 #define STARTED_OBSERVE 3
2822 #define STARTED_HOLDINGS 4
2823 #define STARTED_CHATTER 5
2824 #define STARTED_COMMENT 6
2825 #define STARTED_MOVES_NOHIDE 7
2827 static int started = STARTED_NONE;
2828 static char parse[20000];
2829 static int parse_pos = 0;
2830 static char buf[BUF_SIZE + 1];
2831 static int firstTime = TRUE, intfSet = FALSE;
2832 static ColorClass prevColor = ColorNormal;
2833 static int savingComment = FALSE;
2834 static int cmatch = 0; // continuation sequence match
2841 int backup; /* [DM] For zippy color lines */
2843 char talker[MSG_SIZ]; // [HGM] chat
2844 int channel, collective=0;
2846 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2848 if (appData.debugMode) {
2850 fprintf(debugFP, "<ICS: ");
2851 show_bytes(debugFP, data, count);
2852 fprintf(debugFP, "\n");
2856 if (appData.debugMode) { int f = forwardMostMove;
2857 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2858 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2859 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2862 /* If last read ended with a partial line that we couldn't parse,
2863 prepend it to the new read and try again. */
2864 if (leftover_len > 0) {
2865 for (i=0; i<leftover_len; i++)
2866 buf[i] = buf[leftover_start + i];
2869 /* copy new characters into the buffer */
2870 bp = buf + leftover_len;
2871 buf_len=leftover_len;
2872 for (i=0; i<count; i++)
2875 if (data[i] == '\r')
2878 // join lines split by ICS?
2879 if (!appData.noJoin)
2882 Joining just consists of finding matches against the
2883 continuation sequence, and discarding that sequence
2884 if found instead of copying it. So, until a match
2885 fails, there's nothing to do since it might be the
2886 complete sequence, and thus, something we don't want
2889 if (data[i] == cont_seq[cmatch])
2892 if (cmatch == strlen(cont_seq))
2894 cmatch = 0; // complete match. just reset the counter
2897 it's possible for the ICS to not include the space
2898 at the end of the last word, making our [correct]
2899 join operation fuse two separate words. the server
2900 does this when the space occurs at the width setting.
2902 if (!buf_len || buf[buf_len-1] != ' ')
2913 match failed, so we have to copy what matched before
2914 falling through and copying this character. In reality,
2915 this will only ever be just the newline character, but
2916 it doesn't hurt to be precise.
2918 strncpy(bp, cont_seq, cmatch);
2930 buf[buf_len] = NULLCHAR;
2931 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2936 while (i < buf_len) {
2937 /* Deal with part of the TELNET option negotiation
2938 protocol. We refuse to do anything beyond the
2939 defaults, except that we allow the WILL ECHO option,
2940 which ICS uses to turn off password echoing when we are
2941 directly connected to it. We reject this option
2942 if localLineEditing mode is on (always on in xboard)
2943 and we are talking to port 23, which might be a real
2944 telnet server that will try to keep WILL ECHO on permanently.
2946 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2947 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2948 unsigned char option;
2950 switch ((unsigned char) buf[++i]) {
2952 if (appData.debugMode)
2953 fprintf(debugFP, "\n<WILL ");
2954 switch (option = (unsigned char) buf[++i]) {
2956 if (appData.debugMode)
2957 fprintf(debugFP, "ECHO ");
2958 /* Reply only if this is a change, according
2959 to the protocol rules. */
2960 if (remoteEchoOption) break;
2961 if (appData.localLineEditing &&
2962 atoi(appData.icsPort) == TN_PORT) {
2963 TelnetRequest(TN_DONT, TN_ECHO);
2966 TelnetRequest(TN_DO, TN_ECHO);
2967 remoteEchoOption = TRUE;
2971 if (appData.debugMode)
2972 fprintf(debugFP, "%d ", option);
2973 /* Whatever this is, we don't want it. */
2974 TelnetRequest(TN_DONT, option);
2979 if (appData.debugMode)
2980 fprintf(debugFP, "\n<WONT ");
2981 switch (option = (unsigned char) buf[++i]) {
2983 if (appData.debugMode)
2984 fprintf(debugFP, "ECHO ");
2985 /* Reply only if this is a change, according
2986 to the protocol rules. */
2987 if (!remoteEchoOption) break;
2989 TelnetRequest(TN_DONT, TN_ECHO);
2990 remoteEchoOption = FALSE;
2993 if (appData.debugMode)
2994 fprintf(debugFP, "%d ", (unsigned char) option);
2995 /* Whatever this is, it must already be turned
2996 off, because we never agree to turn on
2997 anything non-default, so according to the
2998 protocol rules, we don't reply. */
3003 if (appData.debugMode)
3004 fprintf(debugFP, "\n<DO ");
3005 switch (option = (unsigned char) buf[++i]) {
3007 /* Whatever this is, we refuse to do it. */
3008 if (appData.debugMode)
3009 fprintf(debugFP, "%d ", option);
3010 TelnetRequest(TN_WONT, option);
3015 if (appData.debugMode)
3016 fprintf(debugFP, "\n<DONT ");
3017 switch (option = (unsigned char) buf[++i]) {
3019 if (appData.debugMode)
3020 fprintf(debugFP, "%d ", option);
3021 /* Whatever this is, we are already not doing
3022 it, because we never agree to do anything
3023 non-default, so according to the protocol
3024 rules, we don't reply. */
3029 if (appData.debugMode)
3030 fprintf(debugFP, "\n<IAC ");
3031 /* Doubled IAC; pass it through */
3035 if (appData.debugMode)
3036 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3037 /* Drop all other telnet commands on the floor */
3040 if (oldi > next_out)
3041 SendToPlayer(&buf[next_out], oldi - next_out);
3047 /* OK, this at least will *usually* work */
3048 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3052 if (loggedOn && !intfSet) {
3053 if (ics_type == ICS_ICC) {
3054 snprintf(str, MSG_SIZ,
3055 "/set-quietly interface %s\n/set-quietly style 12\n",
3057 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3058 strcat(str, "/set-2 51 1\n/set seek 1\n");
3059 } else if (ics_type == ICS_CHESSNET) {
3060 snprintf(str, MSG_SIZ, "/style 12\n");
3062 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3063 strcat(str, programVersion);
3064 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3065 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3066 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3068 strcat(str, "$iset nohighlight 1\n");
3070 strcat(str, "$iset lock 1\n$style 12\n");
3073 NotifyFrontendLogin();
3077 if (started == STARTED_COMMENT) {
3078 /* Accumulate characters in comment */
3079 parse[parse_pos++] = buf[i];
3080 if (buf[i] == '\n') {
3081 parse[parse_pos] = NULLCHAR;
3082 if(chattingPartner>=0) {
3084 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3085 OutputChatMessage(chattingPartner, mess);
3086 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3088 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3089 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3090 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3091 OutputChatMessage(p, mess);
3095 chattingPartner = -1;
3096 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3099 if(!suppressKibitz) // [HGM] kibitz
3100 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3101 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3102 int nrDigit = 0, nrAlph = 0, j;
3103 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3104 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3105 parse[parse_pos] = NULLCHAR;
3106 // try to be smart: if it does not look like search info, it should go to
3107 // ICS interaction window after all, not to engine-output window.
3108 for(j=0; j<parse_pos; j++) { // count letters and digits
3109 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3110 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3111 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3113 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3114 int depth=0; float score;
3115 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3116 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3117 pvInfoList[forwardMostMove-1].depth = depth;
3118 pvInfoList[forwardMostMove-1].score = 100*score;
3120 OutputKibitz(suppressKibitz, parse);
3123 if(gameMode == IcsObserving) // restore original ICS messages
3124 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3125 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3127 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3128 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3129 SendToPlayer(tmp, strlen(tmp));
3131 next_out = i+1; // [HGM] suppress printing in ICS window
3133 started = STARTED_NONE;
3135 /* Don't match patterns against characters in comment */
3140 if (started == STARTED_CHATTER) {
3141 if (buf[i] != '\n') {
3142 /* Don't match patterns against characters in chatter */
3146 started = STARTED_NONE;
3147 if(suppressKibitz) next_out = i+1;
3150 /* Kludge to deal with rcmd protocol */
3151 if (firstTime && looking_at(buf, &i, "\001*")) {
3152 DisplayFatalError(&buf[1], 0, 1);
3158 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3161 if (appData.debugMode)
3162 fprintf(debugFP, "ics_type %d\n", ics_type);
3165 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3166 ics_type = ICS_FICS;
3168 if (appData.debugMode)
3169 fprintf(debugFP, "ics_type %d\n", ics_type);
3172 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3173 ics_type = ICS_CHESSNET;
3175 if (appData.debugMode)
3176 fprintf(debugFP, "ics_type %d\n", ics_type);
3181 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3182 looking_at(buf, &i, "Logging you in as \"*\"") ||
3183 looking_at(buf, &i, "will be \"*\""))) {
3184 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3188 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3190 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3191 DisplayIcsInteractionTitle(buf);
3192 have_set_title = TRUE;
3195 /* skip finger notes */
3196 if (started == STARTED_NONE &&
3197 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3198 (buf[i] == '1' && buf[i+1] == '0')) &&
3199 buf[i+2] == ':' && buf[i+3] == ' ') {
3200 started = STARTED_CHATTER;
3206 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3207 if(appData.seekGraph) {
3208 if(soughtPending && MatchSoughtLine(buf+i)) {
3209 i = strstr(buf+i, "rated") - buf;
3210 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3211 next_out = leftover_start = i;
3212 started = STARTED_CHATTER;
3213 suppressKibitz = TRUE;
3216 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3217 && looking_at(buf, &i, "* ads displayed")) {
3218 soughtPending = FALSE;
3223 if(appData.autoRefresh) {
3224 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3225 int s = (ics_type == ICS_ICC); // ICC format differs
3227 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3228 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3229 looking_at(buf, &i, "*% "); // eat prompt
3230 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3231 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3232 next_out = i; // suppress
3235 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3236 char *p = star_match[0];
3238 if(seekGraphUp) RemoveSeekAd(atoi(p));
3239 while(*p && *p++ != ' '); // next
3241 looking_at(buf, &i, "*% "); // eat prompt
3242 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3249 /* skip formula vars */
3250 if (started == STARTED_NONE &&
3251 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3252 started = STARTED_CHATTER;
3257 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3258 if (appData.autoKibitz && started == STARTED_NONE &&
3259 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3260 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3261 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3262 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3263 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3264 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3265 suppressKibitz = TRUE;
3266 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3268 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3269 && (gameMode == IcsPlayingWhite)) ||
3270 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3271 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3272 started = STARTED_CHATTER; // own kibitz we simply discard
3274 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3275 parse_pos = 0; parse[0] = NULLCHAR;
3276 savingComment = TRUE;
3277 suppressKibitz = gameMode != IcsObserving ? 2 :
3278 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3282 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3283 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3284 && atoi(star_match[0])) {
3285 // suppress the acknowledgements of our own autoKibitz
3287 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3288 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3289 SendToPlayer(star_match[0], strlen(star_match[0]));
3290 if(looking_at(buf, &i, "*% ")) // eat prompt
3291 suppressKibitz = FALSE;
3295 } // [HGM] kibitz: end of patch
3297 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3299 // [HGM] chat: intercept tells by users for which we have an open chat window
3301 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3302 looking_at(buf, &i, "* whispers:") ||
3303 looking_at(buf, &i, "* kibitzes:") ||
3304 looking_at(buf, &i, "* shouts:") ||
3305 looking_at(buf, &i, "* c-shouts:") ||
3306 looking_at(buf, &i, "--> * ") ||
3307 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3308 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3309 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3310 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3312 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3313 chattingPartner = -1; collective = 0;
3315 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3316 for(p=0; p<MAX_CHAT; p++) {
3318 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3319 talker[0] = '['; strcat(talker, "] ");
3320 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3321 chattingPartner = p; break;
3324 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3325 for(p=0; p<MAX_CHAT; p++) {
3327 if(!strcmp("kibitzes", chatPartner[p])) {
3328 talker[0] = '['; strcat(talker, "] ");
3329 chattingPartner = p; break;
3332 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3333 for(p=0; p<MAX_CHAT; p++) {
3335 if(!strcmp("whispers", chatPartner[p])) {
3336 talker[0] = '['; strcat(talker, "] ");
3337 chattingPartner = p; break;
3340 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3341 if(buf[i-8] == '-' && buf[i-3] == 't')
3342 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3344 if(!strcmp("c-shouts", chatPartner[p])) {
3345 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3346 chattingPartner = p; break;
3349 if(chattingPartner < 0)
3350 for(p=0; p<MAX_CHAT; p++) {
3352 if(!strcmp("shouts", chatPartner[p])) {
3353 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3354 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3355 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3356 chattingPartner = p; break;
3360 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3361 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3363 Colorize(ColorTell, FALSE);
3364 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3366 chattingPartner = p; break;
3368 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3369 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3370 started = STARTED_COMMENT;
3371 parse_pos = 0; parse[0] = NULLCHAR;
3372 savingComment = 3 + chattingPartner; // counts as TRUE
3373 if(collective == 3) i = oldi; else {
3374 suppressKibitz = TRUE;
3375 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3376 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3380 } // [HGM] chat: end of patch
3383 if (appData.zippyTalk || appData.zippyPlay) {
3384 /* [DM] Backup address for color zippy lines */
3386 if (loggedOn == TRUE)
3387 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3388 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3390 } // [DM] 'else { ' deleted
3392 /* Regular tells and says */
3393 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3394 looking_at(buf, &i, "* (your partner) tells you: ") ||
3395 looking_at(buf, &i, "* says: ") ||
3396 /* Don't color "message" or "messages" output */
3397 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3398 looking_at(buf, &i, "*. * at *:*: ") ||
3399 looking_at(buf, &i, "--* (*:*): ") ||
3400 /* Message notifications (same color as tells) */
3401 looking_at(buf, &i, "* has left a message ") ||
3402 looking_at(buf, &i, "* just sent you a message:\n") ||
3403 /* Whispers and kibitzes */
3404 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3405 looking_at(buf, &i, "* kibitzes: ") ||
3407 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3409 if (tkind == 1 && strchr(star_match[0], ':')) {
3410 /* Avoid "tells you:" spoofs in channels */
3413 if (star_match[0][0] == NULLCHAR ||
3414 strchr(star_match[0], ' ') ||
3415 (tkind == 3 && strchr(star_match[1], ' '))) {
3416 /* Reject bogus matches */
3419 if (appData.colorize) {
3420 if (oldi > next_out) {
3421 SendToPlayer(&buf[next_out], oldi - next_out);
3426 Colorize(ColorTell, FALSE);
3427 curColor = ColorTell;
3430 Colorize(ColorKibitz, FALSE);
3431 curColor = ColorKibitz;
3434 p = strrchr(star_match[1], '(');
3441 Colorize(ColorChannel1, FALSE);
3442 curColor = ColorChannel1;
3444 Colorize(ColorChannel, FALSE);
3445 curColor = ColorChannel;
3449 curColor = ColorNormal;
3453 if (started == STARTED_NONE && appData.autoComment &&
3454 (gameMode == IcsObserving ||
3455 gameMode == IcsPlayingWhite ||
3456 gameMode == IcsPlayingBlack)) {
3457 parse_pos = i - oldi;
3458 memcpy(parse, &buf[oldi], parse_pos);
3459 parse[parse_pos] = NULLCHAR;
3460 started = STARTED_COMMENT;
3461 savingComment = TRUE;
3462 } else if(collective != 3) {
3463 started = STARTED_CHATTER;
3464 savingComment = FALSE;
3471 if (looking_at(buf, &i, "* s-shouts: ") ||
3472 looking_at(buf, &i, "* c-shouts: ")) {
3473 if (appData.colorize) {
3474 if (oldi > next_out) {
3475 SendToPlayer(&buf[next_out], oldi - next_out);
3478 Colorize(ColorSShout, FALSE);
3479 curColor = ColorSShout;
3482 started = STARTED_CHATTER;
3486 if (looking_at(buf, &i, "--->")) {
3491 if (looking_at(buf, &i, "* shouts: ") ||
3492 looking_at(buf, &i, "--> ")) {
3493 if (appData.colorize) {
3494 if (oldi > next_out) {
3495 SendToPlayer(&buf[next_out], oldi - next_out);
3498 Colorize(ColorShout, FALSE);
3499 curColor = ColorShout;
3502 started = STARTED_CHATTER;
3506 if (looking_at( buf, &i, "Challenge:")) {
3507 if (appData.colorize) {
3508 if (oldi > next_out) {
3509 SendToPlayer(&buf[next_out], oldi - next_out);
3512 Colorize(ColorChallenge, FALSE);
3513 curColor = ColorChallenge;
3519 if (looking_at(buf, &i, "* offers you") ||
3520 looking_at(buf, &i, "* offers to be") ||
3521 looking_at(buf, &i, "* would like to") ||
3522 looking_at(buf, &i, "* requests to") ||
3523 looking_at(buf, &i, "Your opponent offers") ||
3524 looking_at(buf, &i, "Your opponent requests")) {
3526 if (appData.colorize) {
3527 if (oldi > next_out) {
3528 SendToPlayer(&buf[next_out], oldi - next_out);
3531 Colorize(ColorRequest, FALSE);
3532 curColor = ColorRequest;
3537 if (looking_at(buf, &i, "* (*) seeking")) {
3538 if (appData.colorize) {
3539 if (oldi > next_out) {
3540 SendToPlayer(&buf[next_out], oldi - next_out);
3543 Colorize(ColorSeek, FALSE);
3544 curColor = ColorSeek;
3549 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3551 if (looking_at(buf, &i, "\\ ")) {
3552 if (prevColor != ColorNormal) {
3553 if (oldi > next_out) {
3554 SendToPlayer(&buf[next_out], oldi - next_out);
3557 Colorize(prevColor, TRUE);
3558 curColor = prevColor;
3560 if (savingComment) {
3561 parse_pos = i - oldi;
3562 memcpy(parse, &buf[oldi], parse_pos);
3563 parse[parse_pos] = NULLCHAR;
3564 started = STARTED_COMMENT;
3565 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3566 chattingPartner = savingComment - 3; // kludge to remember the box
3568 started = STARTED_CHATTER;
3573 if (looking_at(buf, &i, "Black Strength :") ||
3574 looking_at(buf, &i, "<<< style 10 board >>>") ||
3575 looking_at(buf, &i, "<10>") ||
3576 looking_at(buf, &i, "#@#")) {
3577 /* Wrong board style */
3579 SendToICS(ics_prefix);
3580 SendToICS("set style 12\n");
3581 SendToICS(ics_prefix);
3582 SendToICS("refresh\n");
3586 if (looking_at(buf, &i, "login:")) {
3587 if (!have_sent_ICS_logon) {
3589 have_sent_ICS_logon = 1;
3590 else // no init script was found
3591 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3592 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3593 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3598 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3599 (looking_at(buf, &i, "\n<12> ") ||
3600 looking_at(buf, &i, "<12> "))) {
3602 if (oldi > next_out) {
3603 SendToPlayer(&buf[next_out], oldi - next_out);
3606 started = STARTED_BOARD;
3611 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3612 looking_at(buf, &i, "<b1> ")) {
3613 if (oldi > next_out) {
3614 SendToPlayer(&buf[next_out], oldi - next_out);
3617 started = STARTED_HOLDINGS;
3622 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3624 /* Header for a move list -- first line */
3626 switch (ics_getting_history) {
3630 case BeginningOfGame:
3631 /* User typed "moves" or "oldmoves" while we
3632 were idle. Pretend we asked for these
3633 moves and soak them up so user can step
3634 through them and/or save them.
3637 gameMode = IcsObserving;
3640 ics_getting_history = H_GOT_UNREQ_HEADER;
3642 case EditGame: /*?*/
3643 case EditPosition: /*?*/
3644 /* Should above feature work in these modes too? */
3645 /* For now it doesn't */
3646 ics_getting_history = H_GOT_UNWANTED_HEADER;
3649 ics_getting_history = H_GOT_UNWANTED_HEADER;
3654 /* Is this the right one? */
3655 if (gameInfo.white && gameInfo.black &&
3656 strcmp(gameInfo.white, star_match[0]) == 0 &&
3657 strcmp(gameInfo.black, star_match[2]) == 0) {
3659 ics_getting_history = H_GOT_REQ_HEADER;
3662 case H_GOT_REQ_HEADER:
3663 case H_GOT_UNREQ_HEADER:
3664 case H_GOT_UNWANTED_HEADER:
3665 case H_GETTING_MOVES:
3666 /* Should not happen */
3667 DisplayError(_("Error gathering move list: two headers"), 0);
3668 ics_getting_history = H_FALSE;
3672 /* Save player ratings into gameInfo if needed */
3673 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3674 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3675 (gameInfo.whiteRating == -1 ||
3676 gameInfo.blackRating == -1)) {
3678 gameInfo.whiteRating = string_to_rating(star_match[1]);
3679 gameInfo.blackRating = string_to_rating(star_match[3]);
3680 if (appData.debugMode)
3681 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3682 gameInfo.whiteRating, gameInfo.blackRating);
3687 if (looking_at(buf, &i,
3688 "* * match, initial time: * minute*, increment: * second")) {
3689 /* Header for a move list -- second line */
3690 /* Initial board will follow if this is a wild game */
3691 if (gameInfo.event != NULL) free(gameInfo.event);
3692 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3693 gameInfo.event = StrSave(str);
3694 /* [HGM] we switched variant. Translate boards if needed. */
3695 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3699 if (looking_at(buf, &i, "Move ")) {
3700 /* Beginning of a move list */
3701 switch (ics_getting_history) {
3703 /* Normally should not happen */
3704 /* Maybe user hit reset while we were parsing */
3707 /* Happens if we are ignoring a move list that is not
3708 * the one we just requested. Common if the user
3709 * tries to observe two games without turning off
3712 case H_GETTING_MOVES:
3713 /* Should not happen */
3714 DisplayError(_("Error gathering move list: nested"), 0);
3715 ics_getting_history = H_FALSE;
3717 case H_GOT_REQ_HEADER:
3718 ics_getting_history = H_GETTING_MOVES;
3719 started = STARTED_MOVES;
3721 if (oldi > next_out) {
3722 SendToPlayer(&buf[next_out], oldi - next_out);
3725 case H_GOT_UNREQ_HEADER:
3726 ics_getting_history = H_GETTING_MOVES;
3727 started = STARTED_MOVES_NOHIDE;
3730 case H_GOT_UNWANTED_HEADER:
3731 ics_getting_history = H_FALSE;
3737 if (looking_at(buf, &i, "% ") ||
3738 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3739 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3740 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3741 soughtPending = FALSE;
3745 if(suppressKibitz) next_out = i;
3746 savingComment = FALSE;
3750 case STARTED_MOVES_NOHIDE:
3751 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3752 parse[parse_pos + i - oldi] = NULLCHAR;
3753 ParseGameHistory(parse);
3755 if (appData.zippyPlay && first.initDone) {
3756 FeedMovesToProgram(&first, forwardMostMove);
3757 if (gameMode == IcsPlayingWhite) {
3758 if (WhiteOnMove(forwardMostMove)) {
3759 if (first.sendTime) {
3760 if (first.useColors) {
3761 SendToProgram("black\n", &first);
3763 SendTimeRemaining(&first, TRUE);
3765 if (first.useColors) {
3766 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3768 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3769 first.maybeThinking = TRUE;
3771 if (first.usePlayother) {
3772 if (first.sendTime) {
3773 SendTimeRemaining(&first, TRUE);
3775 SendToProgram("playother\n", &first);
3781 } else if (gameMode == IcsPlayingBlack) {
3782 if (!WhiteOnMove(forwardMostMove)) {
3783 if (first.sendTime) {
3784 if (first.useColors) {
3785 SendToProgram("white\n", &first);
3787 SendTimeRemaining(&first, FALSE);
3789 if (first.useColors) {
3790 SendToProgram("black\n", &first);
3792 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3793 first.maybeThinking = TRUE;
3795 if (first.usePlayother) {
3796 if (first.sendTime) {
3797 SendTimeRemaining(&first, FALSE);
3799 SendToProgram("playother\n", &first);
3808 if (gameMode == IcsObserving && ics_gamenum == -1) {
3809 /* Moves came from oldmoves or moves command
3810 while we weren't doing anything else.
3812 currentMove = forwardMostMove;
3813 ClearHighlights();/*!!could figure this out*/
3814 flipView = appData.flipView;
3815 DrawPosition(TRUE, boards[currentMove]);
3816 DisplayBothClocks();
3817 snprintf(str, MSG_SIZ, "%s %s %s",
3818 gameInfo.white, _("vs."), gameInfo.black);
3822 /* Moves were history of an active game */
3823 if (gameInfo.resultDetails != NULL) {
3824 free(gameInfo.resultDetails);
3825 gameInfo.resultDetails = NULL;
3828 HistorySet(parseList, backwardMostMove,
3829 forwardMostMove, currentMove-1);
3830 DisplayMove(currentMove - 1);
3831 if (started == STARTED_MOVES) next_out = i;
3832 started = STARTED_NONE;
3833 ics_getting_history = H_FALSE;
3836 case STARTED_OBSERVE:
3837 started = STARTED_NONE;
3838 SendToICS(ics_prefix);
3839 SendToICS("refresh\n");
3845 if(bookHit) { // [HGM] book: simulate book reply
3846 static char bookMove[MSG_SIZ]; // a bit generous?
3848 programStats.nodes = programStats.depth = programStats.time =
3849 programStats.score = programStats.got_only_move = 0;
3850 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3852 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3853 strcat(bookMove, bookHit);
3854 HandleMachineMove(bookMove, &first);
3859 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3860 started == STARTED_HOLDINGS ||
3861 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3862 /* Accumulate characters in move list or board */
3863 parse[parse_pos++] = buf[i];
3866 /* Start of game messages. Mostly we detect start of game
3867 when the first board image arrives. On some versions
3868 of the ICS, though, we need to do a "refresh" after starting
3869 to observe in order to get the current board right away. */
3870 if (looking_at(buf, &i, "Adding game * to observation list")) {
3871 started = STARTED_OBSERVE;
3875 /* Handle auto-observe */
3876 if (appData.autoObserve &&
3877 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3878 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3880 /* Choose the player that was highlighted, if any. */
3881 if (star_match[0][0] == '\033' ||
3882 star_match[1][0] != '\033') {
3883 player = star_match[0];
3885 player = star_match[2];
3887 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3888 ics_prefix, StripHighlightAndTitle(player));
3891 /* Save ratings from notify string */
3892 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3893 player1Rating = string_to_rating(star_match[1]);
3894 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3895 player2Rating = string_to_rating(star_match[3]);
3897 if (appData.debugMode)
3899 "Ratings from 'Game notification:' %s %d, %s %d\n",
3900 player1Name, player1Rating,
3901 player2Name, player2Rating);
3906 /* Deal with automatic examine mode after a game,
3907 and with IcsObserving -> IcsExamining transition */
3908 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3909 looking_at(buf, &i, "has made you an examiner of game *")) {
3911 int gamenum = atoi(star_match[0]);
3912 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3913 gamenum == ics_gamenum) {
3914 /* We were already playing or observing this game;
3915 no need to refetch history */
3916 gameMode = IcsExamining;
3918 pauseExamForwardMostMove = forwardMostMove;
3919 } else if (currentMove < forwardMostMove) {
3920 ForwardInner(forwardMostMove);
3923 /* I don't think this case really can happen */
3924 SendToICS(ics_prefix);
3925 SendToICS("refresh\n");
3930 /* Error messages */
3931 // if (ics_user_moved) {
3932 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3933 if (looking_at(buf, &i, "Illegal move") ||
3934 looking_at(buf, &i, "Not a legal move") ||
3935 looking_at(buf, &i, "Your king is in check") ||
3936 looking_at(buf, &i, "It isn't your turn") ||
3937 looking_at(buf, &i, "It is not your move")) {
3939 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3940 currentMove = forwardMostMove-1;
3941 DisplayMove(currentMove - 1); /* before DMError */
3942 DrawPosition(FALSE, boards[currentMove]);
3943 SwitchClocks(forwardMostMove-1); // [HGM] race
3944 DisplayBothClocks();
3946 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3952 if (looking_at(buf, &i, "still have time") ||
3953 looking_at(buf, &i, "not out of time") ||
3954 looking_at(buf, &i, "either player is out of time") ||
3955 looking_at(buf, &i, "has timeseal; checking")) {
3956 /* We must have called his flag a little too soon */
3957 whiteFlag = blackFlag = FALSE;
3961 if (looking_at(buf, &i, "added * seconds to") ||
3962 looking_at(buf, &i, "seconds were added to")) {
3963 /* Update the clocks */
3964 SendToICS(ics_prefix);
3965 SendToICS("refresh\n");
3969 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3970 ics_clock_paused = TRUE;
3975 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3976 ics_clock_paused = FALSE;
3981 /* Grab player ratings from the Creating: message.
3982 Note we have to check for the special case when
3983 the ICS inserts things like [white] or [black]. */
3984 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3985 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3987 0 player 1 name (not necessarily white)
3989 2 empty, white, or black (IGNORED)
3990 3 player 2 name (not necessarily black)
3993 The names/ratings are sorted out when the game
3994 actually starts (below).
3996 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3997 player1Rating = string_to_rating(star_match[1]);
3998 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3999 player2Rating = string_to_rating(star_match[4]);
4001 if (appData.debugMode)
4003 "Ratings from 'Creating:' %s %d, %s %d\n",
4004 player1Name, player1Rating,
4005 player2Name, player2Rating);
4010 /* Improved generic start/end-of-game messages */
4011 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4012 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4013 /* If tkind == 0: */
4014 /* star_match[0] is the game number */
4015 /* [1] is the white player's name */
4016 /* [2] is the black player's name */
4017 /* For end-of-game: */
4018 /* [3] is the reason for the game end */
4019 /* [4] is a PGN end game-token, preceded by " " */
4020 /* For start-of-game: */
4021 /* [3] begins with "Creating" or "Continuing" */
4022 /* [4] is " *" or empty (don't care). */
4023 int gamenum = atoi(star_match[0]);
4024 char *whitename, *blackname, *why, *endtoken;
4025 ChessMove endtype = EndOfFile;
4028 whitename = star_match[1];
4029 blackname = star_match[2];
4030 why = star_match[3];
4031 endtoken = star_match[4];
4033 whitename = star_match[1];
4034 blackname = star_match[3];
4035 why = star_match[5];
4036 endtoken = star_match[6];
4039 /* Game start messages */
4040 if (strncmp(why, "Creating ", 9) == 0 ||
4041 strncmp(why, "Continuing ", 11) == 0) {
4042 gs_gamenum = gamenum;
4043 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4044 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4045 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4047 if (appData.zippyPlay) {
4048 ZippyGameStart(whitename, blackname);
4051 partnerBoardValid = FALSE; // [HGM] bughouse
4055 /* Game end messages */
4056 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4057 ics_gamenum != gamenum) {
4060 while (endtoken[0] == ' ') endtoken++;
4061 switch (endtoken[0]) {
4064 endtype = GameUnfinished;
4067 endtype = BlackWins;
4070 if (endtoken[1] == '/')
4071 endtype = GameIsDrawn;
4073 endtype = WhiteWins;
4076 GameEnds(endtype, why, GE_ICS);
4078 if (appData.zippyPlay && first.initDone) {
4079 ZippyGameEnd(endtype, why);
4080 if (first.pr == NoProc) {
4081 /* Start the next process early so that we'll
4082 be ready for the next challenge */
4083 StartChessProgram(&first);
4085 /* Send "new" early, in case this command takes
4086 a long time to finish, so that we'll be ready
4087 for the next challenge. */
4088 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4092 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4096 if (looking_at(buf, &i, "Removing game * from observation") ||
4097 looking_at(buf, &i, "no longer observing game *") ||
4098 looking_at(buf, &i, "Game * (*) has no examiners")) {
4099 if (gameMode == IcsObserving &&
4100 atoi(star_match[0]) == ics_gamenum)
4102 /* icsEngineAnalyze */
4103 if (appData.icsEngineAnalyze) {
4110 ics_user_moved = FALSE;
4115 if (looking_at(buf, &i, "no longer examining game *")) {
4116 if (gameMode == IcsExamining &&
4117 atoi(star_match[0]) == ics_gamenum)
4121 ics_user_moved = FALSE;
4126 /* Advance leftover_start past any newlines we find,
4127 so only partial lines can get reparsed */
4128 if (looking_at(buf, &i, "\n")) {
4129 prevColor = curColor;
4130 if (curColor != ColorNormal) {
4131 if (oldi > next_out) {
4132 SendToPlayer(&buf[next_out], oldi - next_out);
4135 Colorize(ColorNormal, FALSE);
4136 curColor = ColorNormal;
4138 if (started == STARTED_BOARD) {
4139 started = STARTED_NONE;
4140 parse[parse_pos] = NULLCHAR;
4141 ParseBoard12(parse);
4144 /* Send premove here */
4145 if (appData.premove) {
4147 if (currentMove == 0 &&
4148 gameMode == IcsPlayingWhite &&
4149 appData.premoveWhite) {
4150 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4151 if (appData.debugMode)
4152 fprintf(debugFP, "Sending premove:\n");
4154 } else if (currentMove == 1 &&
4155 gameMode == IcsPlayingBlack &&
4156 appData.premoveBlack) {
4157 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4158 if (appData.debugMode)
4159 fprintf(debugFP, "Sending premove:\n");
4161 } else if (gotPremove) {
4163 ClearPremoveHighlights();
4164 if (appData.debugMode)
4165 fprintf(debugFP, "Sending premove:\n");
4166 UserMoveEvent(premoveFromX, premoveFromY,
4167 premoveToX, premoveToY,
4172 /* Usually suppress following prompt */
4173 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4174 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4175 if (looking_at(buf, &i, "*% ")) {
4176 savingComment = FALSE;
4181 } else if (started == STARTED_HOLDINGS) {
4183 char new_piece[MSG_SIZ];
4184 started = STARTED_NONE;
4185 parse[parse_pos] = NULLCHAR;
4186 if (appData.debugMode)
4187 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4188 parse, currentMove);
4189 if (sscanf(parse, " game %d", &gamenum) == 1) {
4190 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4191 if (gameInfo.variant == VariantNormal) {
4192 /* [HGM] We seem to switch variant during a game!
4193 * Presumably no holdings were displayed, so we have
4194 * to move the position two files to the right to
4195 * create room for them!
4197 VariantClass newVariant;
4198 switch(gameInfo.boardWidth) { // base guess on board width
4199 case 9: newVariant = VariantShogi; break;
4200 case 10: newVariant = VariantGreat; break;
4201 default: newVariant = VariantCrazyhouse; break;
4203 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4204 /* Get a move list just to see the header, which
4205 will tell us whether this is really bug or zh */
4206 if (ics_getting_history == H_FALSE) {
4207 ics_getting_history = H_REQUESTED;
4208 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4212 new_piece[0] = NULLCHAR;
4213 sscanf(parse, "game %d white [%s black [%s <- %s",
4214 &gamenum, white_holding, black_holding,
4216 white_holding[strlen(white_holding)-1] = NULLCHAR;
4217 black_holding[strlen(black_holding)-1] = NULLCHAR;
4218 /* [HGM] copy holdings to board holdings area */
4219 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4220 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4221 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4223 if (appData.zippyPlay && first.initDone) {
4224 ZippyHoldings(white_holding, black_holding,
4228 if (tinyLayout || smallLayout) {
4229 char wh[16], bh[16];
4230 PackHolding(wh, white_holding);
4231 PackHolding(bh, black_holding);
4232 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4233 gameInfo.white, gameInfo.black);
4235 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4236 gameInfo.white, white_holding, _("vs."),
4237 gameInfo.black, black_holding);
4239 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4240 DrawPosition(FALSE, boards[currentMove]);
4242 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4243 sscanf(parse, "game %d white [%s black [%s <- %s",
4244 &gamenum, white_holding, black_holding,
4246 white_holding[strlen(white_holding)-1] = NULLCHAR;
4247 black_holding[strlen(black_holding)-1] = NULLCHAR;
4248 /* [HGM] copy holdings to partner-board holdings area */
4249 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4250 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4251 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4252 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4253 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4256 /* Suppress following prompt */
4257 if (looking_at(buf, &i, "*% ")) {
4258 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4259 savingComment = FALSE;
4267 i++; /* skip unparsed character and loop back */
4270 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4271 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4272 // SendToPlayer(&buf[next_out], i - next_out);
4273 started != STARTED_HOLDINGS && leftover_start > next_out) {
4274 SendToPlayer(&buf[next_out], leftover_start - next_out);
4278 leftover_len = buf_len - leftover_start;
4279 /* if buffer ends with something we couldn't parse,
4280 reparse it after appending the next read */
4282 } else if (count == 0) {
4283 RemoveInputSource(isr);
4284 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4286 DisplayFatalError(_("Error reading from ICS"), error, 1);
4291 /* Board style 12 looks like this:
4293 <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
4295 * The "<12> " is stripped before it gets to this routine. The two
4296 * trailing 0's (flip state and clock ticking) are later addition, and
4297 * some chess servers may not have them, or may have only the first.
4298 * Additional trailing fields may be added in the future.
4301 #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"
4303 #define RELATION_OBSERVING_PLAYED 0
4304 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4305 #define RELATION_PLAYING_MYMOVE 1
4306 #define RELATION_PLAYING_NOTMYMOVE -1
4307 #define RELATION_EXAMINING 2
4308 #define RELATION_ISOLATED_BOARD -3
4309 #define RELATION_STARTING_POSITION -4 /* FICS only */
4312 ParseBoard12 (char *string)
4316 char *bookHit = NULL; // [HGM] book
4318 GameMode newGameMode;
4319 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4320 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4321 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4322 char to_play, board_chars[200];
4323 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4324 char black[32], white[32];
4326 int prevMove = currentMove;
4329 int fromX, fromY, toX, toY;
4331 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4332 Boolean weird = FALSE, reqFlag = FALSE;
4334 fromX = fromY = toX = toY = -1;
4338 if (appData.debugMode)
4339 fprintf(debugFP, "Parsing board: %s\n", string);
4341 move_str[0] = NULLCHAR;
4342 elapsed_time[0] = NULLCHAR;
4343 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4345 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4346 if(string[i] == ' ') { ranks++; files = 0; }
4348 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4351 for(j = 0; j <i; j++) board_chars[j] = string[j];
4352 board_chars[i] = '\0';
4355 n = sscanf(string, PATTERN, &to_play, &double_push,
4356 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4357 &gamenum, white, black, &relation, &basetime, &increment,
4358 &white_stren, &black_stren, &white_time, &black_time,
4359 &moveNum, str, elapsed_time, move_str, &ics_flip,
4363 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4364 DisplayError(str, 0);
4368 /* Convert the move number to internal form */
4369 moveNum = (moveNum - 1) * 2;
4370 if (to_play == 'B') moveNum++;
4371 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4372 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4378 case RELATION_OBSERVING_PLAYED:
4379 case RELATION_OBSERVING_STATIC:
4380 if (gamenum == -1) {
4381 /* Old ICC buglet */
4382 relation = RELATION_OBSERVING_STATIC;
4384 newGameMode = IcsObserving;
4386 case RELATION_PLAYING_MYMOVE:
4387 case RELATION_PLAYING_NOTMYMOVE:
4389 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4390 IcsPlayingWhite : IcsPlayingBlack;
4391 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4393 case RELATION_EXAMINING:
4394 newGameMode = IcsExamining;
4396 case RELATION_ISOLATED_BOARD:
4398 /* Just display this board. If user was doing something else,
4399 we will forget about it until the next board comes. */
4400 newGameMode = IcsIdle;
4402 case RELATION_STARTING_POSITION:
4403 newGameMode = gameMode;
4407 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4408 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4409 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4410 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4411 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4412 static int lastBgGame = -1;
4414 for (k = 0; k < ranks; k++) {
4415 for (j = 0; j < files; j++)
4416 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4417 if(gameInfo.holdingsWidth > 1) {
4418 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4419 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4422 CopyBoard(partnerBoard, board);
4423 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4424 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4425 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4426 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4427 if(toSqr = strchr(str, '-')) {
4428 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4429 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4430 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4431 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4432 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4433 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4435 DisplayWhiteClock(white_time*fac, to_play == 'W');
4436 DisplayBlackClock(black_time*fac, to_play != 'W');
4437 activePartner = to_play;
4438 if(gamenum != lastBgGame) {
4440 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4443 lastBgGame = gamenum;
4444 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4445 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4446 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4447 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4448 if(!twoBoards) DisplayMessage(partnerStatus, "");
4449 partnerBoardValid = TRUE;
4453 if(appData.dualBoard && appData.bgObserve) {
4454 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4455 SendToICS(ics_prefix), SendToICS("pobserve\n");
4456 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4458 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4463 /* Modify behavior for initial board display on move listing
4466 switch (ics_getting_history) {
4470 case H_GOT_REQ_HEADER:
4471 case H_GOT_UNREQ_HEADER:
4472 /* This is the initial position of the current game */
4473 gamenum = ics_gamenum;
4474 moveNum = 0; /* old ICS bug workaround */
4475 if (to_play == 'B') {
4476 startedFromSetupPosition = TRUE;
4477 blackPlaysFirst = TRUE;
4479 if (forwardMostMove == 0) forwardMostMove = 1;
4480 if (backwardMostMove == 0) backwardMostMove = 1;
4481 if (currentMove == 0) currentMove = 1;
4483 newGameMode = gameMode;
4484 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4486 case H_GOT_UNWANTED_HEADER:
4487 /* This is an initial board that we don't want */
4489 case H_GETTING_MOVES:
4490 /* Should not happen */
4491 DisplayError(_("Error gathering move list: extra board"), 0);
4492 ics_getting_history = H_FALSE;
4496 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4497 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4498 weird && (int)gameInfo.variant < (int)VariantShogi) {
4499 /* [HGM] We seem to have switched variant unexpectedly
4500 * Try to guess new variant from board size
4502 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4503 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4504 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4505 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4506 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4507 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4508 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4509 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4510 /* Get a move list just to see the header, which
4511 will tell us whether this is really bug or zh */
4512 if (ics_getting_history == H_FALSE) {
4513 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4514 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4519 /* Take action if this is the first board of a new game, or of a
4520 different game than is currently being displayed. */
4521 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4522 relation == RELATION_ISOLATED_BOARD) {
4524 /* Forget the old game and get the history (if any) of the new one */
4525 if (gameMode != BeginningOfGame) {
4529 if (appData.autoRaiseBoard) BoardToTop();
4531 if (gamenum == -1) {
4532 newGameMode = IcsIdle;
4533 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4534 appData.getMoveList && !reqFlag) {
4535 /* Need to get game history */
4536 ics_getting_history = H_REQUESTED;
4537 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4541 /* Initially flip the board to have black on the bottom if playing
4542 black or if the ICS flip flag is set, but let the user change
4543 it with the Flip View button. */
4544 flipView = appData.autoFlipView ?
4545 (newGameMode == IcsPlayingBlack) || ics_flip :
4548 /* Done with values from previous mode; copy in new ones */
4549 gameMode = newGameMode;
4551 ics_gamenum = gamenum;
4552 if (gamenum == gs_gamenum) {
4553 int klen = strlen(gs_kind);
4554 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4555 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4556 gameInfo.event = StrSave(str);
4558 gameInfo.event = StrSave("ICS game");
4560 gameInfo.site = StrSave(appData.icsHost);
4561 gameInfo.date = PGNDate();
4562 gameInfo.round = StrSave("-");
4563 gameInfo.white = StrSave(white);
4564 gameInfo.black = StrSave(black);
4565 timeControl = basetime * 60 * 1000;
4567 timeIncrement = increment * 1000;
4568 movesPerSession = 0;
4569 gameInfo.timeControl = TimeControlTagValue();
4570 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4571 if (appData.debugMode) {
4572 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4573 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4574 setbuf(debugFP, NULL);
4577 gameInfo.outOfBook = NULL;
4579 /* Do we have the ratings? */
4580 if (strcmp(player1Name, white) == 0 &&
4581 strcmp(player2Name, black) == 0) {
4582 if (appData.debugMode)
4583 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4584 player1Rating, player2Rating);
4585 gameInfo.whiteRating = player1Rating;
4586 gameInfo.blackRating = player2Rating;
4587 } else if (strcmp(player2Name, white) == 0 &&
4588 strcmp(player1Name, black) == 0) {
4589 if (appData.debugMode)
4590 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4591 player2Rating, player1Rating);
4592 gameInfo.whiteRating = player2Rating;
4593 gameInfo.blackRating = player1Rating;
4595 player1Name[0] = player2Name[0] = NULLCHAR;
4597 /* Silence shouts if requested */
4598 if (appData.quietPlay &&
4599 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4600 SendToICS(ics_prefix);
4601 SendToICS("set shout 0\n");
4605 /* Deal with midgame name changes */
4607 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4608 if (gameInfo.white) free(gameInfo.white);
4609 gameInfo.white = StrSave(white);
4611 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4612 if (gameInfo.black) free(gameInfo.black);
4613 gameInfo.black = StrSave(black);
4617 /* Throw away game result if anything actually changes in examine mode */
4618 if (gameMode == IcsExamining && !newGame) {
4619 gameInfo.result = GameUnfinished;
4620 if (gameInfo.resultDetails != NULL) {
4621 free(gameInfo.resultDetails);
4622 gameInfo.resultDetails = NULL;
4626 /* In pausing && IcsExamining mode, we ignore boards coming
4627 in if they are in a different variation than we are. */
4628 if (pauseExamInvalid) return;
4629 if (pausing && gameMode == IcsExamining) {
4630 if (moveNum <= pauseExamForwardMostMove) {
4631 pauseExamInvalid = TRUE;
4632 forwardMostMove = pauseExamForwardMostMove;
4637 if (appData.debugMode) {
4638 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4640 /* Parse the board */
4641 for (k = 0; k < ranks; k++) {
4642 for (j = 0; j < files; j++)
4643 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4644 if(gameInfo.holdingsWidth > 1) {
4645 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4646 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4649 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4650 board[5][BOARD_RGHT+1] = WhiteAngel;
4651 board[6][BOARD_RGHT+1] = WhiteMarshall;
4652 board[1][0] = BlackMarshall;
4653 board[2][0] = BlackAngel;
4654 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4656 CopyBoard(boards[moveNum], board);
4657 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4659 startedFromSetupPosition =
4660 !CompareBoards(board, initialPosition);
4661 if(startedFromSetupPosition)
4662 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4665 /* [HGM] Set castling rights. Take the outermost Rooks,
4666 to make it also work for FRC opening positions. Note that board12
4667 is really defective for later FRC positions, as it has no way to
4668 indicate which Rook can castle if they are on the same side of King.
4669 For the initial position we grant rights to the outermost Rooks,
4670 and remember thos rights, and we then copy them on positions
4671 later in an FRC game. This means WB might not recognize castlings with
4672 Rooks that have moved back to their original position as illegal,
4673 but in ICS mode that is not its job anyway.
4675 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4676 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4678 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4679 if(board[0][i] == WhiteRook) j = i;
4680 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4681 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4682 if(board[0][i] == WhiteRook) j = i;
4683 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4684 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4685 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4686 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4687 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4688 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4689 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4691 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4692 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4693 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4694 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4695 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4696 if(board[BOARD_HEIGHT-1][k] == bKing)
4697 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4698 if(gameInfo.variant == VariantTwoKings) {
4699 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4700 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4701 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4704 r = boards[moveNum][CASTLING][0] = initialRights[0];
4705 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4706 r = boards[moveNum][CASTLING][1] = initialRights[1];
4707 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4708 r = boards[moveNum][CASTLING][3] = initialRights[3];
4709 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4710 r = boards[moveNum][CASTLING][4] = initialRights[4];
4711 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4712 /* wildcastle kludge: always assume King has rights */
4713 r = boards[moveNum][CASTLING][2] = initialRights[2];
4714 r = boards[moveNum][CASTLING][5] = initialRights[5];
4716 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4717 boards[moveNum][EP_STATUS] = EP_NONE;
4718 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4719 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4720 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4723 if (ics_getting_history == H_GOT_REQ_HEADER ||
4724 ics_getting_history == H_GOT_UNREQ_HEADER) {
4725 /* This was an initial position from a move list, not
4726 the current position */
4730 /* Update currentMove and known move number limits */
4731 newMove = newGame || moveNum > forwardMostMove;
4734 forwardMostMove = backwardMostMove = currentMove = moveNum;
4735 if (gameMode == IcsExamining && moveNum == 0) {
4736 /* Workaround for ICS limitation: we are not told the wild
4737 type when starting to examine a game. But if we ask for
4738 the move list, the move list header will tell us */
4739 ics_getting_history = H_REQUESTED;
4740 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4743 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4744 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4746 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4747 /* [HGM] applied this also to an engine that is silently watching */
4748 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4749 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4750 gameInfo.variant == currentlyInitializedVariant) {
4751 takeback = forwardMostMove - moveNum;
4752 for (i = 0; i < takeback; i++) {
4753 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4754 SendToProgram("undo\n", &first);
4759 forwardMostMove = moveNum;
4760 if (!pausing || currentMove > forwardMostMove)
4761 currentMove = forwardMostMove;
4763 /* New part of history that is not contiguous with old part */
4764 if (pausing && gameMode == IcsExamining) {
4765 pauseExamInvalid = TRUE;
4766 forwardMostMove = pauseExamForwardMostMove;
4769 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4771 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4772 // [HGM] when we will receive the move list we now request, it will be
4773 // fed to the engine from the first move on. So if the engine is not
4774 // in the initial position now, bring it there.
4775 InitChessProgram(&first, 0);
4778 ics_getting_history = H_REQUESTED;
4779 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4782 forwardMostMove = backwardMostMove = currentMove = moveNum;
4785 /* Update the clocks */
4786 if (strchr(elapsed_time, '.')) {
4788 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4789 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4791 /* Time is in seconds */
4792 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4793 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4798 if (appData.zippyPlay && newGame &&
4799 gameMode != IcsObserving && gameMode != IcsIdle &&
4800 gameMode != IcsExamining)
4801 ZippyFirstBoard(moveNum, basetime, increment);
4804 /* Put the move on the move list, first converting
4805 to canonical algebraic form. */
4807 if (appData.debugMode) {
4808 int f = forwardMostMove;
4809 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4810 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4811 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4812 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4813 fprintf(debugFP, "moveNum = %d\n", moveNum);
4814 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4815 setbuf(debugFP, NULL);
4817 if (moveNum <= backwardMostMove) {
4818 /* We don't know what the board looked like before
4820 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4821 strcat(parseList[moveNum - 1], " ");
4822 strcat(parseList[moveNum - 1], elapsed_time);
4823 moveList[moveNum - 1][0] = NULLCHAR;
4824 } else if (strcmp(move_str, "none") == 0) {
4825 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4826 /* Again, we don't know what the board looked like;
4827 this is really the start of the game. */
4828 parseList[moveNum - 1][0] = NULLCHAR;
4829 moveList[moveNum - 1][0] = NULLCHAR;
4830 backwardMostMove = moveNum;
4831 startedFromSetupPosition = TRUE;
4832 fromX = fromY = toX = toY = -1;
4834 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4835 // So we parse the long-algebraic move string in stead of the SAN move
4836 int valid; char buf[MSG_SIZ], *prom;
4838 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4839 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4840 // str looks something like "Q/a1-a2"; kill the slash
4842 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4843 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4844 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4845 strcat(buf, prom); // long move lacks promo specification!
4846 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4847 if(appData.debugMode)
4848 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4849 safeStrCpy(move_str, buf, MSG_SIZ);
4851 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4852 &fromX, &fromY, &toX, &toY, &promoChar)
4853 || ParseOneMove(buf, moveNum - 1, &moveType,
4854 &fromX, &fromY, &toX, &toY, &promoChar);
4855 // end of long SAN patch
4857 (void) CoordsToAlgebraic(boards[moveNum - 1],
4858 PosFlags(moveNum - 1),
4859 fromY, fromX, toY, toX, promoChar,
4860 parseList[moveNum-1]);
4861 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4867 if(!IS_SHOGI(gameInfo.variant))
4868 strcat(parseList[moveNum - 1], "+");
4871 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4872 strcat(parseList[moveNum - 1], "#");
4875 strcat(parseList[moveNum - 1], " ");
4876 strcat(parseList[moveNum - 1], elapsed_time);
4877 /* currentMoveString is set as a side-effect of ParseOneMove */
4878 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4879 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4880 strcat(moveList[moveNum - 1], "\n");
4882 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4883 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4884 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4885 ChessSquare old, new = boards[moveNum][k][j];
4886 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4887 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4888 if(old == new) continue;
4889 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4890 else if(new == WhiteWazir || new == BlackWazir) {
4891 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4892 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4893 else boards[moveNum][k][j] = old; // preserve type of Gold
4894 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4895 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4898 /* Move from ICS was illegal!? Punt. */
4899 if (appData.debugMode) {
4900 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4901 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4903 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4904 strcat(parseList[moveNum - 1], " ");
4905 strcat(parseList[moveNum - 1], elapsed_time);
4906 moveList[moveNum - 1][0] = NULLCHAR;
4907 fromX = fromY = toX = toY = -1;
4910 if (appData.debugMode) {
4911 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4912 setbuf(debugFP, NULL);
4916 /* Send move to chess program (BEFORE animating it). */
4917 if (appData.zippyPlay && !newGame && newMove &&
4918 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4920 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4921 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4922 if (moveList[moveNum - 1][0] == NULLCHAR) {
4923 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4925 DisplayError(str, 0);
4927 if (first.sendTime) {
4928 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4930 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4931 if (firstMove && !bookHit) {
4933 if (first.useColors) {
4934 SendToProgram(gameMode == IcsPlayingWhite ?
4936 "black\ngo\n", &first);
4938 SendToProgram("go\n", &first);
4940 first.maybeThinking = TRUE;
4943 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4944 if (moveList[moveNum - 1][0] == NULLCHAR) {
4945 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4946 DisplayError(str, 0);
4948 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4949 SendMoveToProgram(moveNum - 1, &first);
4956 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4957 /* If move comes from a remote source, animate it. If it
4958 isn't remote, it will have already been animated. */
4959 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4960 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4962 if (!pausing && appData.highlightLastMove) {
4963 SetHighlights(fromX, fromY, toX, toY);
4967 /* Start the clocks */
4968 whiteFlag = blackFlag = FALSE;
4969 appData.clockMode = !(basetime == 0 && increment == 0);
4971 ics_clock_paused = TRUE;
4973 } else if (ticking == 1) {
4974 ics_clock_paused = FALSE;
4976 if (gameMode == IcsIdle ||
4977 relation == RELATION_OBSERVING_STATIC ||
4978 relation == RELATION_EXAMINING ||
4980 DisplayBothClocks();
4984 /* Display opponents and material strengths */
4985 if (gameInfo.variant != VariantBughouse &&
4986 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4987 if (tinyLayout || smallLayout) {
4988 if(gameInfo.variant == VariantNormal)
4989 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4990 gameInfo.white, white_stren, gameInfo.black, black_stren,
4991 basetime, increment);
4993 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4994 gameInfo.white, white_stren, gameInfo.black, black_stren,
4995 basetime, increment, (int) gameInfo.variant);
4997 if(gameInfo.variant == VariantNormal)
4998 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4999 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5000 basetime, increment);
5002 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5003 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5004 basetime, increment, VariantName(gameInfo.variant));
5007 if (appData.debugMode) {
5008 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5013 /* Display the board */
5014 if (!pausing && !appData.noGUI) {
5016 if (appData.premove)
5018 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5019 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5020 ClearPremoveHighlights();
5022 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5023 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5024 DrawPosition(j, boards[currentMove]);
5026 DisplayMove(moveNum - 1);
5027 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5028 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5029 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5030 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5034 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5036 if(bookHit) { // [HGM] book: simulate book reply
5037 static char bookMove[MSG_SIZ]; // a bit generous?
5039 programStats.nodes = programStats.depth = programStats.time =
5040 programStats.score = programStats.got_only_move = 0;
5041 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5043 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5044 strcat(bookMove, bookHit);
5045 HandleMachineMove(bookMove, &first);
5054 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5055 ics_getting_history = H_REQUESTED;
5056 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5062 SendToBoth (char *msg)
5063 { // to make it easy to keep two engines in step in dual analysis
5064 SendToProgram(msg, &first);
5065 if(second.analyzing) SendToProgram(msg, &second);
5069 AnalysisPeriodicEvent (int force)
5071 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5072 && !force) || !appData.periodicUpdates)
5075 /* Send . command to Crafty to collect stats */
5078 /* Don't send another until we get a response (this makes
5079 us stop sending to old Crafty's which don't understand
5080 the "." command (sending illegal cmds resets node count & time,
5081 which looks bad)) */
5082 programStats.ok_to_send = 0;
5086 ics_update_width (int new_width)
5088 ics_printf("set width %d\n", new_width);
5092 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5096 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5097 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5098 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5099 SendToProgram(buf, cps);
5102 // null move in variant where engine does not understand it (for analysis purposes)
5103 SendBoard(cps, moveNum + 1); // send position after move in stead.
5106 if (cps->useUsermove) {
5107 SendToProgram("usermove ", cps);
5111 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5112 int len = space - parseList[moveNum];
5113 memcpy(buf, parseList[moveNum], len);
5115 buf[len] = NULLCHAR;
5117 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5119 SendToProgram(buf, cps);
5121 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5122 AlphaRank(moveList[moveNum], 4);
5123 SendToProgram(moveList[moveNum], cps);
5124 AlphaRank(moveList[moveNum], 4); // and back
5126 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5127 * the engine. It would be nice to have a better way to identify castle
5129 if(appData.fischerCastling && cps->useOOCastle) {
5130 int fromX = moveList[moveNum][0] - AAA;
5131 int fromY = moveList[moveNum][1] - ONE;
5132 int toX = moveList[moveNum][2] - AAA;
5133 int toY = moveList[moveNum][3] - ONE;
5134 if((boards[moveNum][fromY][fromX] == WhiteKing
5135 && boards[moveNum][toY][toX] == WhiteRook)
5136 || (boards[moveNum][fromY][fromX] == BlackKing
5137 && boards[moveNum][toY][toX] == BlackRook)) {
5138 if(toX > fromX) SendToProgram("O-O\n", cps);
5139 else SendToProgram("O-O-O\n", cps);
5141 else SendToProgram(moveList[moveNum], cps);
5143 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5144 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
5145 moveList[moveNum][5], moveList[moveNum][6] - '0',
5146 moveList[moveNum][5], moveList[moveNum][6] - '0',
5147 moveList[moveNum][2], moveList[moveNum][3] - '0');
5148 SendToProgram(buf, cps);
5150 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5151 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5152 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5153 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5154 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5156 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5157 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5158 SendToProgram(buf, cps);
5160 else SendToProgram(moveList[moveNum], cps);
5161 /* End of additions by Tord */
5164 /* [HGM] setting up the opening has brought engine in force mode! */
5165 /* Send 'go' if we are in a mode where machine should play. */
5166 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5167 (gameMode == TwoMachinesPlay ||
5169 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5171 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5172 SendToProgram("go\n", cps);
5173 if (appData.debugMode) {
5174 fprintf(debugFP, "(extra)\n");
5177 setboardSpoiledMachineBlack = 0;
5181 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5183 char user_move[MSG_SIZ];
5186 if(gameInfo.variant == VariantSChess && promoChar) {
5187 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5188 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5189 } else suffix[0] = NULLCHAR;
5193 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5194 (int)moveType, fromX, fromY, toX, toY);
5195 DisplayError(user_move + strlen("say "), 0);
5197 case WhiteKingSideCastle:
5198 case BlackKingSideCastle:
5199 case WhiteQueenSideCastleWild:
5200 case BlackQueenSideCastleWild:
5202 case WhiteHSideCastleFR:
5203 case BlackHSideCastleFR:
5205 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5207 case WhiteQueenSideCastle:
5208 case BlackQueenSideCastle:
5209 case WhiteKingSideCastleWild:
5210 case BlackKingSideCastleWild:
5212 case WhiteASideCastleFR:
5213 case BlackASideCastleFR:
5215 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5217 case WhiteNonPromotion:
5218 case BlackNonPromotion:
5219 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5221 case WhitePromotion:
5222 case BlackPromotion:
5223 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5224 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5225 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5226 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5227 PieceToChar(WhiteFerz));
5228 else if(gameInfo.variant == VariantGreat)
5229 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5230 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5231 PieceToChar(WhiteMan));
5233 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5234 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5240 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5241 ToUpper(PieceToChar((ChessSquare) fromX)),
5242 AAA + toX, ONE + toY);
5244 case IllegalMove: /* could be a variant we don't quite understand */
5245 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5247 case WhiteCapturesEnPassant:
5248 case BlackCapturesEnPassant:
5249 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5250 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5253 SendToICS(user_move);
5254 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5255 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5260 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5261 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5262 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5263 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5264 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5267 if(gameMode != IcsExamining) { // is this ever not the case?
5268 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5270 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5271 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5272 } else { // on FICS we must first go to general examine mode
5273 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5275 if(gameInfo.variant != VariantNormal) {
5276 // try figure out wild number, as xboard names are not always valid on ICS
5277 for(i=1; i<=36; i++) {
5278 snprintf(buf, MSG_SIZ, "wild/%d", i);
5279 if(StringToVariant(buf) == gameInfo.variant) break;
5281 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5282 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5283 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5284 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5285 SendToICS(ics_prefix);
5287 if(startedFromSetupPosition || backwardMostMove != 0) {
5288 fen = PositionToFEN(backwardMostMove, NULL, 1);
5289 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5290 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5292 } else { // FICS: everything has to set by separate bsetup commands
5293 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5294 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5296 if(!WhiteOnMove(backwardMostMove)) {
5297 SendToICS("bsetup tomove black\n");
5299 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5300 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5302 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5303 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5305 i = boards[backwardMostMove][EP_STATUS];
5306 if(i >= 0) { // set e.p.
5307 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5313 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5314 SendToICS("bsetup done\n"); // switch to normal examining.
5316 for(i = backwardMostMove; i<last; i++) {
5318 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5319 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5320 int len = strlen(moveList[i]);
5321 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5322 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5326 SendToICS(ics_prefix);
5327 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5330 int killX = -1, killY = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5334 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5336 if (rf == DROP_RANK) {
5337 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5338 sprintf(move, "%c@%c%c\n",
5339 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5341 if (promoChar == 'x' || promoChar == NULLCHAR) {
5342 sprintf(move, "%c%c%c%c\n",
5343 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5344 if(killX >= 0 && killY >= 0) sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5346 sprintf(move, "%c%c%c%c%c\n",
5347 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5353 ProcessICSInitScript (FILE *f)
5357 while (fgets(buf, MSG_SIZ, f)) {
5358 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5365 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5367 static ClickType lastClickType;
5370 Partner (ChessSquare *p)
5371 { // change piece into promotion partner if one shogi-promotes to the other
5372 int stride = gameInfo.variant == VariantChu ? 22 : 11;
5373 ChessSquare partner;
5374 partner = (*p/stride & 1 ? *p - stride : *p + stride);
5375 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5383 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5384 static int toggleFlag;
5385 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5386 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5387 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5388 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5389 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5390 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5392 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5393 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5394 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5395 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5396 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5397 if(!step) step = -1;
5398 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5399 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5400 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5401 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5403 int victim = boards[currentMove][toY][toX];
5404 boards[currentMove][toY][toX] = promoSweep;
5405 DrawPosition(FALSE, boards[currentMove]);
5406 boards[currentMove][toY][toX] = victim;
5408 ChangeDragPiece(promoSweep);
5412 PromoScroll (int x, int y)
5416 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5417 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5418 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5419 if(!step) return FALSE;
5420 lastX = x; lastY = y;
5421 if((promoSweep < BlackPawn) == flipView) step = -step;
5422 if(step > 0) selectFlag = 1;
5423 if(!selectFlag) Sweep(step);
5428 NextPiece (int step)
5430 ChessSquare piece = boards[currentMove][toY][toX];
5433 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5434 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5435 if(!step) step = -1;
5436 } while(PieceToChar(pieceSweep) == '.');
5437 boards[currentMove][toY][toX] = pieceSweep;
5438 DrawPosition(FALSE, boards[currentMove]);
5439 boards[currentMove][toY][toX] = piece;
5441 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5443 AlphaRank (char *move, int n)
5445 // char *p = move, c; int x, y;
5447 if (appData.debugMode) {
5448 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5452 move[2]>='0' && move[2]<='9' &&
5453 move[3]>='a' && move[3]<='x' ) {
5455 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5456 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5458 if(move[0]>='0' && move[0]<='9' &&
5459 move[1]>='a' && move[1]<='x' &&
5460 move[2]>='0' && move[2]<='9' &&
5461 move[3]>='a' && move[3]<='x' ) {
5462 /* input move, Shogi -> normal */
5463 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5464 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5465 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5466 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5469 move[3]>='0' && move[3]<='9' &&
5470 move[2]>='a' && move[2]<='x' ) {
5472 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5473 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5476 move[0]>='a' && move[0]<='x' &&
5477 move[3]>='0' && move[3]<='9' &&
5478 move[2]>='a' && move[2]<='x' ) {
5479 /* output move, normal -> Shogi */
5480 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5481 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5482 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5483 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5484 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5486 if (appData.debugMode) {
5487 fprintf(debugFP, " out = '%s'\n", move);
5491 char yy_textstr[8000];
5493 /* Parser for moves from gnuchess, ICS, or user typein box */
5495 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5497 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5499 switch (*moveType) {
5500 case WhitePromotion:
5501 case BlackPromotion:
5502 case WhiteNonPromotion:
5503 case BlackNonPromotion:
5506 case WhiteCapturesEnPassant:
5507 case BlackCapturesEnPassant:
5508 case WhiteKingSideCastle:
5509 case WhiteQueenSideCastle:
5510 case BlackKingSideCastle:
5511 case BlackQueenSideCastle:
5512 case WhiteKingSideCastleWild:
5513 case WhiteQueenSideCastleWild:
5514 case BlackKingSideCastleWild:
5515 case BlackQueenSideCastleWild:
5516 /* Code added by Tord: */
5517 case WhiteHSideCastleFR:
5518 case WhiteASideCastleFR:
5519 case BlackHSideCastleFR:
5520 case BlackASideCastleFR:
5521 /* End of code added by Tord */
5522 case IllegalMove: /* bug or odd chess variant */
5523 *fromX = currentMoveString[0] - AAA;
5524 *fromY = currentMoveString[1] - ONE;
5525 *toX = currentMoveString[2] - AAA;
5526 *toY = currentMoveString[3] - ONE;
5527 *promoChar = currentMoveString[4];
5528 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5529 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5530 if (appData.debugMode) {
5531 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5533 *fromX = *fromY = *toX = *toY = 0;
5536 if (appData.testLegality) {
5537 return (*moveType != IllegalMove);
5539 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5540 // [HGM] lion: if this is a double move we are less critical
5541 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5546 *fromX = *moveType == WhiteDrop ?
5547 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5548 (int) CharToPiece(ToLower(currentMoveString[0]));
5550 *toX = currentMoveString[2] - AAA;
5551 *toY = currentMoveString[3] - ONE;
5552 *promoChar = NULLCHAR;
5556 case ImpossibleMove:
5566 if (appData.debugMode) {
5567 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5570 *fromX = *fromY = *toX = *toY = 0;
5571 *promoChar = NULLCHAR;
5576 Boolean pushed = FALSE;
5577 char *lastParseAttempt;
5580 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5581 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5582 int fromX, fromY, toX, toY; char promoChar;
5587 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5588 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5589 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5592 endPV = forwardMostMove;
5594 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5595 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5596 lastParseAttempt = pv;
5597 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5598 if(!valid && nr == 0 &&
5599 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5600 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5601 // Hande case where played move is different from leading PV move
5602 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5603 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5604 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5605 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5606 endPV += 2; // if position different, keep this
5607 moveList[endPV-1][0] = fromX + AAA;
5608 moveList[endPV-1][1] = fromY + ONE;
5609 moveList[endPV-1][2] = toX + AAA;
5610 moveList[endPV-1][3] = toY + ONE;
5611 parseList[endPV-1][0] = NULLCHAR;
5612 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5615 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5616 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5617 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5618 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5619 valid++; // allow comments in PV
5623 if(endPV+1 > framePtr) break; // no space, truncate
5626 CopyBoard(boards[endPV], boards[endPV-1]);
5627 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5628 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5629 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5630 CoordsToAlgebraic(boards[endPV - 1],
5631 PosFlags(endPV - 1),
5632 fromY, fromX, toY, toX, promoChar,
5633 parseList[endPV - 1]);
5635 if(atEnd == 2) return; // used hidden, for PV conversion
5636 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5637 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5638 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5639 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5640 DrawPosition(TRUE, boards[currentMove]);
5644 MultiPV (ChessProgramState *cps)
5645 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5647 for(i=0; i<cps->nrOptions; i++)
5648 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5653 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5656 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5658 int startPV, multi, lineStart, origIndex = index;
5659 char *p, buf2[MSG_SIZ];
5660 ChessProgramState *cps = (pane ? &second : &first);
5662 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5663 lastX = x; lastY = y;
5664 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5665 lineStart = startPV = index;
5666 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5667 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5669 do{ while(buf[index] && buf[index] != '\n') index++;
5670 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5672 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5673 int n = cps->option[multi].value;
5674 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5675 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5676 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5677 cps->option[multi].value = n;
5680 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5681 ExcludeClick(origIndex - lineStart);
5683 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5684 Collapse(origIndex - lineStart);
5687 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5688 *start = startPV; *end = index-1;
5689 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5696 static char buf[10*MSG_SIZ];
5697 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5699 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5700 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5701 for(i = forwardMostMove; i<endPV; i++){
5702 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5703 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5706 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5707 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5708 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5714 LoadPV (int x, int y)
5715 { // called on right mouse click to load PV
5716 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5717 lastX = x; lastY = y;
5718 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5726 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5727 if(endPV < 0) return;
5728 if(appData.autoCopyPV) CopyFENToClipboard();
5730 if(extendGame && currentMove > forwardMostMove) {
5731 Boolean saveAnimate = appData.animate;
5733 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5734 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5735 } else storedGames--; // abandon shelved tail of original game
5738 forwardMostMove = currentMove;
5739 currentMove = oldFMM;
5740 appData.animate = FALSE;
5741 ToNrEvent(forwardMostMove);
5742 appData.animate = saveAnimate;
5744 currentMove = forwardMostMove;
5745 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5746 ClearPremoveHighlights();
5747 DrawPosition(TRUE, boards[currentMove]);
5751 MovePV (int x, int y, int h)
5752 { // step through PV based on mouse coordinates (called on mouse move)
5753 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5755 // we must somehow check if right button is still down (might be released off board!)
5756 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5757 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5758 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5760 lastX = x; lastY = y;
5762 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5763 if(endPV < 0) return;
5764 if(y < margin) step = 1; else
5765 if(y > h - margin) step = -1;
5766 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5767 currentMove += step;
5768 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5769 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5770 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5771 DrawPosition(FALSE, boards[currentMove]);
5775 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5776 // All positions will have equal probability, but the current method will not provide a unique
5777 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5783 int piecesLeft[(int)BlackPawn];
5784 int seed, nrOfShuffles;
5787 GetPositionNumber ()
5788 { // sets global variable seed
5791 seed = appData.defaultFrcPosition;
5792 if(seed < 0) { // randomize based on time for negative FRC position numbers
5793 for(i=0; i<50; i++) seed += random();
5794 seed = random() ^ random() >> 8 ^ random() << 8;
5795 if(seed<0) seed = -seed;
5800 put (Board board, int pieceType, int rank, int n, int shade)
5801 // put the piece on the (n-1)-th empty squares of the given shade
5805 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5806 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5807 board[rank][i] = (ChessSquare) pieceType;
5808 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5810 piecesLeft[pieceType]--;
5819 AddOnePiece (Board board, int pieceType, int rank, int shade)
5820 // calculate where the next piece goes, (any empty square), and put it there
5824 i = seed % squaresLeft[shade];
5825 nrOfShuffles *= squaresLeft[shade];
5826 seed /= squaresLeft[shade];
5827 put(board, pieceType, rank, i, shade);
5831 AddTwoPieces (Board board, int pieceType, int rank)
5832 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5834 int i, n=squaresLeft[ANY], j=n-1, k;
5836 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5837 i = seed % k; // pick one
5840 while(i >= j) i -= j--;
5841 j = n - 1 - j; i += j;
5842 put(board, pieceType, rank, j, ANY);
5843 put(board, pieceType, rank, i, ANY);
5847 SetUpShuffle (Board board, int number)
5851 GetPositionNumber(); nrOfShuffles = 1;
5853 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5854 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5855 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5857 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5859 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5860 p = (int) board[0][i];
5861 if(p < (int) BlackPawn) piecesLeft[p] ++;
5862 board[0][i] = EmptySquare;
5865 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5866 // shuffles restricted to allow normal castling put KRR first
5867 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5868 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5869 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5870 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5871 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5872 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5873 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5874 put(board, WhiteRook, 0, 0, ANY);
5875 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5878 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5879 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5880 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5881 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5882 while(piecesLeft[p] >= 2) {
5883 AddOnePiece(board, p, 0, LITE);
5884 AddOnePiece(board, p, 0, DARK);
5886 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5889 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5890 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5891 // but we leave King and Rooks for last, to possibly obey FRC restriction
5892 if(p == (int)WhiteRook) continue;
5893 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5894 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5897 // now everything is placed, except perhaps King (Unicorn) and Rooks
5899 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5900 // Last King gets castling rights
5901 while(piecesLeft[(int)WhiteUnicorn]) {
5902 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5903 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5906 while(piecesLeft[(int)WhiteKing]) {
5907 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5908 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5913 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5914 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5917 // Only Rooks can be left; simply place them all
5918 while(piecesLeft[(int)WhiteRook]) {
5919 i = put(board, WhiteRook, 0, 0, ANY);
5920 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5923 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5925 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5928 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5929 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5932 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5936 SetCharTable (char *table, const char * map)
5937 /* [HGM] moved here from winboard.c because of its general usefulness */
5938 /* Basically a safe strcpy that uses the last character as King */
5940 int result = FALSE; int NrPieces;
5942 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5943 && NrPieces >= 12 && !(NrPieces&1)) {
5944 int i; /* [HGM] Accept even length from 12 to 34 */
5946 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5947 for( i=0; i<NrPieces/2-1; i++ ) {
5949 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5951 table[(int) WhiteKing] = map[NrPieces/2-1];
5952 table[(int) BlackKing] = map[NrPieces-1];
5961 Prelude (Board board)
5962 { // [HGM] superchess: random selection of exo-pieces
5963 int i, j, k; ChessSquare p;
5964 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5966 GetPositionNumber(); // use FRC position number
5968 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5969 SetCharTable(pieceToChar, appData.pieceToCharTable);
5970 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5971 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5974 j = seed%4; seed /= 4;
5975 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = 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%3 + (seed%3 >= j); seed /= 3;
5979 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5980 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5981 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5982 j = seed%3; seed /= 3;
5983 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5984 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5985 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5986 j = seed%2 + (seed%2 >= j); seed /= 2;
5987 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5988 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5989 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5990 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5991 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5992 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5993 put(board, exoPieces[0], 0, 0, ANY);
5994 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5998 InitPosition (int redraw)
6000 ChessSquare (* pieces)[BOARD_FILES];
6001 int i, j, pawnRow=1, pieceRows=1, overrule,
6002 oldx = gameInfo.boardWidth,
6003 oldy = gameInfo.boardHeight,
6004 oldh = gameInfo.holdingsWidth;
6007 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6009 /* [AS] Initialize pv info list [HGM] and game status */
6011 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6012 pvInfoList[i].depth = 0;
6013 boards[i][EP_STATUS] = EP_NONE;
6014 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6017 initialRulePlies = 0; /* 50-move counter start */
6019 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6020 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6024 /* [HGM] logic here is completely changed. In stead of full positions */
6025 /* the initialized data only consist of the two backranks. The switch */
6026 /* selects which one we will use, which is than copied to the Board */
6027 /* initialPosition, which for the rest is initialized by Pawns and */
6028 /* empty squares. This initial position is then copied to boards[0], */
6029 /* possibly after shuffling, so that it remains available. */
6031 gameInfo.holdingsWidth = 0; /* default board sizes */
6032 gameInfo.boardWidth = 8;
6033 gameInfo.boardHeight = 8;
6034 gameInfo.holdingsSize = 0;
6035 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6036 for(i=0; i<BOARD_FILES-6; i++)
6037 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6038 initialPosition[EP_STATUS] = EP_NONE;
6039 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6040 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
6041 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6042 SetCharTable(pieceNickName, appData.pieceNickNames);
6043 else SetCharTable(pieceNickName, "............");
6046 switch (gameInfo.variant) {
6047 case VariantFischeRandom:
6048 shuffleOpenings = TRUE;
6049 appData.fischerCastling = TRUE;
6052 case VariantShatranj:
6053 pieces = ShatranjArray;
6054 nrCastlingRights = 0;
6055 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6058 pieces = makrukArray;
6059 nrCastlingRights = 0;
6060 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6063 pieces = aseanArray;
6064 nrCastlingRights = 0;
6065 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6067 case VariantTwoKings:
6068 pieces = twoKingsArray;
6071 pieces = GrandArray;
6072 nrCastlingRights = 0;
6073 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6074 gameInfo.boardWidth = 10;
6075 gameInfo.boardHeight = 10;
6076 gameInfo.holdingsSize = 7;
6078 case VariantCapaRandom:
6079 shuffleOpenings = TRUE;
6080 appData.fischerCastling = TRUE;
6081 case VariantCapablanca:
6082 pieces = CapablancaArray;
6083 gameInfo.boardWidth = 10;
6084 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6087 pieces = GothicArray;
6088 gameInfo.boardWidth = 10;
6089 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6092 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6093 gameInfo.holdingsSize = 7;
6094 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6097 pieces = JanusArray;
6098 gameInfo.boardWidth = 10;
6099 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6100 nrCastlingRights = 6;
6101 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6102 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6103 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6104 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6105 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6106 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6109 pieces = FalconArray;
6110 gameInfo.boardWidth = 10;
6111 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6113 case VariantXiangqi:
6114 pieces = XiangqiArray;
6115 gameInfo.boardWidth = 9;
6116 gameInfo.boardHeight = 10;
6117 nrCastlingRights = 0;
6118 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6121 pieces = ShogiArray;
6122 gameInfo.boardWidth = 9;
6123 gameInfo.boardHeight = 9;
6124 gameInfo.holdingsSize = 7;
6125 nrCastlingRights = 0;
6126 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6129 pieces = ChuArray; pieceRows = 3;
6130 gameInfo.boardWidth = 12;
6131 gameInfo.boardHeight = 12;
6132 nrCastlingRights = 0;
6133 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6134 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6136 case VariantCourier:
6137 pieces = CourierArray;
6138 gameInfo.boardWidth = 12;
6139 nrCastlingRights = 0;
6140 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6142 case VariantKnightmate:
6143 pieces = KnightmateArray;
6144 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6146 case VariantSpartan:
6147 pieces = SpartanArray;
6148 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6152 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6154 case VariantChuChess:
6155 pieces = ChuChessArray;
6156 gameInfo.boardWidth = 10;
6157 gameInfo.boardHeight = 10;
6158 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6161 pieces = fairyArray;
6162 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6165 pieces = GreatArray;
6166 gameInfo.boardWidth = 10;
6167 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6168 gameInfo.holdingsSize = 8;
6172 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6173 gameInfo.holdingsSize = 8;
6174 startedFromSetupPosition = TRUE;
6176 case VariantCrazyhouse:
6177 case VariantBughouse:
6179 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6180 gameInfo.holdingsSize = 5;
6182 case VariantWildCastle:
6184 /* !!?shuffle with kings guaranteed to be on d or e file */
6185 shuffleOpenings = 1;
6187 case VariantNoCastle:
6189 nrCastlingRights = 0;
6190 /* !!?unconstrained back-rank shuffle */
6191 shuffleOpenings = 1;
6196 if(appData.NrFiles >= 0) {
6197 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6198 gameInfo.boardWidth = appData.NrFiles;
6200 if(appData.NrRanks >= 0) {
6201 gameInfo.boardHeight = appData.NrRanks;
6203 if(appData.holdingsSize >= 0) {
6204 i = appData.holdingsSize;
6205 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6206 gameInfo.holdingsSize = i;
6208 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6209 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6210 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6212 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6213 if(pawnRow < 1) pawnRow = 1;
6214 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6215 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6216 if(gameInfo.variant == VariantChu) pawnRow = 3;
6218 /* User pieceToChar list overrules defaults */
6219 if(appData.pieceToCharTable != NULL)
6220 SetCharTable(pieceToChar, appData.pieceToCharTable);
6222 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6224 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6225 s = (ChessSquare) 0; /* account holding counts in guard band */
6226 for( i=0; i<BOARD_HEIGHT; i++ )
6227 initialPosition[i][j] = s;
6229 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6230 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6231 initialPosition[pawnRow][j] = WhitePawn;
6232 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6233 if(gameInfo.variant == VariantXiangqi) {
6235 initialPosition[pawnRow][j] =
6236 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6237 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6238 initialPosition[2][j] = WhiteCannon;
6239 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6243 if(gameInfo.variant == VariantChu) {
6244 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6245 initialPosition[pawnRow+1][j] = WhiteCobra,
6246 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6247 for(i=1; i<pieceRows; i++) {
6248 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6249 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6252 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6253 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6254 initialPosition[0][j] = WhiteRook;
6255 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6258 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6260 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6261 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6264 initialPosition[1][j] = WhiteBishop;
6265 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6267 initialPosition[1][j] = WhiteRook;
6268 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6271 if( nrCastlingRights == -1) {
6272 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6273 /* This sets default castling rights from none to normal corners */
6274 /* Variants with other castling rights must set them themselves above */
6275 nrCastlingRights = 6;
6277 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6278 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6279 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6280 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6281 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6282 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6285 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6286 if(gameInfo.variant == VariantGreat) { // promotion commoners
6287 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6288 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6289 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6290 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6292 if( gameInfo.variant == VariantSChess ) {
6293 initialPosition[1][0] = BlackMarshall;
6294 initialPosition[2][0] = BlackAngel;
6295 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6296 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6297 initialPosition[1][1] = initialPosition[2][1] =
6298 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6300 if (appData.debugMode) {
6301 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6303 if(shuffleOpenings) {
6304 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6305 startedFromSetupPosition = TRUE;
6307 if(startedFromPositionFile) {
6308 /* [HGM] loadPos: use PositionFile for every new game */
6309 CopyBoard(initialPosition, filePosition);
6310 for(i=0; i<nrCastlingRights; i++)
6311 initialRights[i] = filePosition[CASTLING][i];
6312 startedFromSetupPosition = TRUE;
6315 CopyBoard(boards[0], initialPosition);
6317 if(oldx != gameInfo.boardWidth ||
6318 oldy != gameInfo.boardHeight ||
6319 oldv != gameInfo.variant ||
6320 oldh != gameInfo.holdingsWidth
6322 InitDrawingSizes(-2 ,0);
6324 oldv = gameInfo.variant;
6326 DrawPosition(TRUE, boards[currentMove]);
6330 SendBoard (ChessProgramState *cps, int moveNum)
6332 char message[MSG_SIZ];
6334 if (cps->useSetboard) {
6335 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6336 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6337 SendToProgram(message, cps);
6342 int i, j, left=0, right=BOARD_WIDTH;
6343 /* Kludge to set black to move, avoiding the troublesome and now
6344 * deprecated "black" command.
6346 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6347 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6349 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6351 SendToProgram("edit\n", cps);
6352 SendToProgram("#\n", cps);
6353 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6354 bp = &boards[moveNum][i][left];
6355 for (j = left; j < right; j++, bp++) {
6356 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6357 if ((int) *bp < (int) BlackPawn) {
6358 if(j == BOARD_RGHT+1)
6359 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6360 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6361 if(message[0] == '+' || message[0] == '~') {
6362 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6363 PieceToChar((ChessSquare)(DEMOTED *bp)),
6366 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6367 message[1] = BOARD_RGHT - 1 - j + '1';
6368 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6370 SendToProgram(message, cps);
6375 SendToProgram("c\n", cps);
6376 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6377 bp = &boards[moveNum][i][left];
6378 for (j = left; j < right; j++, bp++) {
6379 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6380 if (((int) *bp != (int) EmptySquare)
6381 && ((int) *bp >= (int) BlackPawn)) {
6382 if(j == BOARD_LEFT-2)
6383 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6384 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6386 if(message[0] == '+' || message[0] == '~') {
6387 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6388 PieceToChar((ChessSquare)(DEMOTED *bp)),
6391 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6392 message[1] = BOARD_RGHT - 1 - j + '1';
6393 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6395 SendToProgram(message, cps);
6400 SendToProgram(".\n", cps);
6402 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6405 char exclusionHeader[MSG_SIZ];
6406 int exCnt, excludePtr;
6407 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6408 static Exclusion excluTab[200];
6409 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6415 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6416 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6422 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6423 excludePtr = 24; exCnt = 0;
6428 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6429 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6430 char buf[2*MOVE_LEN], *p;
6431 Exclusion *e = excluTab;
6433 for(i=0; i<exCnt; i++)
6434 if(e[i].ff == fromX && e[i].fr == fromY &&
6435 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6436 if(i == exCnt) { // was not in exclude list; add it
6437 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6438 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6439 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6442 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6443 excludePtr++; e[i].mark = excludePtr++;
6444 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6447 exclusionHeader[e[i].mark] = state;
6451 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6452 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6456 if((signed char)promoChar == -1) { // kludge to indicate best move
6457 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6458 return 1; // if unparsable, abort
6460 // update exclusion map (resolving toggle by consulting existing state)
6461 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6463 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6464 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6465 excludeMap[k] |= 1<<j;
6466 else excludeMap[k] &= ~(1<<j);
6468 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6470 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6471 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6473 return (state == '+');
6477 ExcludeClick (int index)
6480 Exclusion *e = excluTab;
6481 if(index < 25) { // none, best or tail clicked
6482 if(index < 13) { // none: include all
6483 WriteMap(0); // clear map
6484 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6485 SendToBoth("include all\n"); // and inform engine
6486 } else if(index > 18) { // tail
6487 if(exclusionHeader[19] == '-') { // tail was excluded
6488 SendToBoth("include all\n");
6489 WriteMap(0); // clear map completely
6490 // now re-exclude selected moves
6491 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6492 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6493 } else { // tail was included or in mixed state
6494 SendToBoth("exclude all\n");
6495 WriteMap(0xFF); // fill map completely
6496 // now re-include selected moves
6497 j = 0; // count them
6498 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6499 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6500 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6503 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6506 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6507 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6508 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6515 DefaultPromoChoice (int white)
6518 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6519 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6520 result = WhiteFerz; // no choice
6521 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6522 result= WhiteKing; // in Suicide Q is the last thing we want
6523 else if(gameInfo.variant == VariantSpartan)
6524 result = white ? WhiteQueen : WhiteAngel;
6525 else result = WhiteQueen;
6526 if(!white) result = WHITE_TO_BLACK result;
6530 static int autoQueen; // [HGM] oneclick
6533 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6535 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6536 /* [HGM] add Shogi promotions */
6537 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6538 ChessSquare piece, partner;
6542 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6543 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6545 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6546 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6549 piece = boards[currentMove][fromY][fromX];
6550 if(gameInfo.variant == VariantChu) {
6551 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6552 promotionZoneSize = BOARD_HEIGHT/3;
6553 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6554 } else if(gameInfo.variant == VariantShogi) {
6555 promotionZoneSize = BOARD_HEIGHT/3;
6556 highestPromotingPiece = (int)WhiteAlfil;
6557 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6558 promotionZoneSize = 3;
6561 // Treat Lance as Pawn when it is not representing Amazon or Lance
6562 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6563 if(piece == WhiteLance) piece = WhitePawn; else
6564 if(piece == BlackLance) piece = BlackPawn;
6567 // next weed out all moves that do not touch the promotion zone at all
6568 if((int)piece >= BlackPawn) {
6569 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6571 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6572 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6574 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6575 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6576 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6580 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6582 // weed out mandatory Shogi promotions
6583 if(gameInfo.variant == VariantShogi) {
6584 if(piece >= BlackPawn) {
6585 if(toY == 0 && piece == BlackPawn ||
6586 toY == 0 && piece == BlackQueen ||
6587 toY <= 1 && piece == BlackKnight) {
6592 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6593 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6594 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6601 // weed out obviously illegal Pawn moves
6602 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6603 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6604 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6605 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6606 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6607 // note we are not allowed to test for valid (non-)capture, due to premove
6610 // we either have a choice what to promote to, or (in Shogi) whether to promote
6611 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6612 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6613 ChessSquare p=BlackFerz; // no choice
6614 while(p < EmptySquare) { //but make sure we use piece that exists
6615 *promoChoice = PieceToChar(p++);
6616 if(*promoChoice != '.') break;
6620 // no sense asking what we must promote to if it is going to explode...
6621 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6622 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6625 // give caller the default choice even if we will not make it
6626 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6627 partner = piece; // pieces can promote if the pieceToCharTable says so
6628 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6629 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6630 if( sweepSelect && gameInfo.variant != VariantGreat
6631 && gameInfo.variant != VariantGrand
6632 && gameInfo.variant != VariantSuper) return FALSE;
6633 if(autoQueen) return FALSE; // predetermined
6635 // suppress promotion popup on illegal moves that are not premoves
6636 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6637 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6638 if(appData.testLegality && !premove) {
6639 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6640 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6641 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6642 if(moveType != WhitePromotion && moveType != BlackPromotion)
6650 InPalace (int row, int column)
6651 { /* [HGM] for Xiangqi */
6652 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6653 column < (BOARD_WIDTH + 4)/2 &&
6654 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6659 PieceForSquare (int x, int y)
6661 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6664 return boards[currentMove][y][x];
6668 OKToStartUserMove (int x, int y)
6670 ChessSquare from_piece;
6673 if (matchMode) return FALSE;
6674 if (gameMode == EditPosition) return TRUE;
6676 if (x >= 0 && y >= 0)
6677 from_piece = boards[currentMove][y][x];
6679 from_piece = EmptySquare;
6681 if (from_piece == EmptySquare) return FALSE;
6683 white_piece = (int)from_piece >= (int)WhitePawn &&
6684 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6688 case TwoMachinesPlay:
6696 case MachinePlaysWhite:
6697 case IcsPlayingBlack:
6698 if (appData.zippyPlay) return FALSE;
6700 DisplayMoveError(_("You are playing Black"));
6705 case MachinePlaysBlack:
6706 case IcsPlayingWhite:
6707 if (appData.zippyPlay) return FALSE;
6709 DisplayMoveError(_("You are playing White"));
6714 case PlayFromGameFile:
6715 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6717 if (!white_piece && WhiteOnMove(currentMove)) {
6718 DisplayMoveError(_("It is White's turn"));
6721 if (white_piece && !WhiteOnMove(currentMove)) {
6722 DisplayMoveError(_("It is Black's turn"));
6725 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6726 /* Editing correspondence game history */
6727 /* Could disallow this or prompt for confirmation */
6732 case BeginningOfGame:
6733 if (appData.icsActive) return FALSE;
6734 if (!appData.noChessProgram) {
6736 DisplayMoveError(_("You are playing White"));
6743 if (!white_piece && WhiteOnMove(currentMove)) {
6744 DisplayMoveError(_("It is White's turn"));
6747 if (white_piece && !WhiteOnMove(currentMove)) {
6748 DisplayMoveError(_("It is Black's turn"));
6757 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6758 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6759 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6760 && gameMode != AnalyzeFile && gameMode != Training) {
6761 DisplayMoveError(_("Displayed position is not current"));
6768 OnlyMove (int *x, int *y, Boolean captures)
6770 DisambiguateClosure cl;
6771 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6773 case MachinePlaysBlack:
6774 case IcsPlayingWhite:
6775 case BeginningOfGame:
6776 if(!WhiteOnMove(currentMove)) return FALSE;
6778 case MachinePlaysWhite:
6779 case IcsPlayingBlack:
6780 if(WhiteOnMove(currentMove)) return FALSE;
6787 cl.pieceIn = EmptySquare;
6792 cl.promoCharIn = NULLCHAR;
6793 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6794 if( cl.kind == NormalMove ||
6795 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6796 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6797 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6804 if(cl.kind != ImpossibleMove) return FALSE;
6805 cl.pieceIn = EmptySquare;
6810 cl.promoCharIn = NULLCHAR;
6811 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6812 if( cl.kind == NormalMove ||
6813 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6814 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6815 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6820 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6826 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6827 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6828 int lastLoadGameUseList = FALSE;
6829 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6830 ChessMove lastLoadGameStart = EndOfFile;
6832 Boolean addToBookFlag;
6835 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6839 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6841 /* Check if the user is playing in turn. This is complicated because we
6842 let the user "pick up" a piece before it is his turn. So the piece he
6843 tried to pick up may have been captured by the time he puts it down!
6844 Therefore we use the color the user is supposed to be playing in this
6845 test, not the color of the piece that is currently on the starting
6846 square---except in EditGame mode, where the user is playing both
6847 sides; fortunately there the capture race can't happen. (It can
6848 now happen in IcsExamining mode, but that's just too bad. The user
6849 will get a somewhat confusing message in that case.)
6854 case TwoMachinesPlay:
6858 /* We switched into a game mode where moves are not accepted,
6859 perhaps while the mouse button was down. */
6862 case MachinePlaysWhite:
6863 /* User is moving for Black */
6864 if (WhiteOnMove(currentMove)) {
6865 DisplayMoveError(_("It is White's turn"));
6870 case MachinePlaysBlack:
6871 /* User is moving for White */
6872 if (!WhiteOnMove(currentMove)) {
6873 DisplayMoveError(_("It is Black's turn"));
6878 case PlayFromGameFile:
6879 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6882 case BeginningOfGame:
6885 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6886 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6887 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6888 /* User is moving for Black */
6889 if (WhiteOnMove(currentMove)) {
6890 DisplayMoveError(_("It is White's turn"));
6894 /* User is moving for White */
6895 if (!WhiteOnMove(currentMove)) {
6896 DisplayMoveError(_("It is Black's turn"));
6902 case IcsPlayingBlack:
6903 /* User is moving for Black */
6904 if (WhiteOnMove(currentMove)) {
6905 if (!appData.premove) {
6906 DisplayMoveError(_("It is White's turn"));
6907 } else if (toX >= 0 && toY >= 0) {
6910 premoveFromX = fromX;
6911 premoveFromY = fromY;
6912 premovePromoChar = promoChar;
6914 if (appData.debugMode)
6915 fprintf(debugFP, "Got premove: fromX %d,"
6916 "fromY %d, toX %d, toY %d\n",
6917 fromX, fromY, toX, toY);
6923 case IcsPlayingWhite:
6924 /* User is moving for White */
6925 if (!WhiteOnMove(currentMove)) {
6926 if (!appData.premove) {
6927 DisplayMoveError(_("It is Black's turn"));
6928 } else if (toX >= 0 && toY >= 0) {
6931 premoveFromX = fromX;
6932 premoveFromY = fromY;
6933 premovePromoChar = promoChar;
6935 if (appData.debugMode)
6936 fprintf(debugFP, "Got premove: fromX %d,"
6937 "fromY %d, toX %d, toY %d\n",
6938 fromX, fromY, toX, toY);
6948 /* EditPosition, empty square, or different color piece;
6949 click-click move is possible */
6950 if (toX == -2 || toY == -2) {
6951 boards[0][fromY][fromX] = EmptySquare;
6952 DrawPosition(FALSE, boards[currentMove]);
6954 } else if (toX >= 0 && toY >= 0) {
6955 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
6956 ChessSquare q, p = boards[0][rf][ff];
6957 if(p >= BlackPawn) p = BLACK_TO_WHITE p;
6958 if(CHUPROMOTED p < BlackPawn) p = q = CHUPROMOTED boards[0][rf][ff];
6959 else p = CHUDEMOTED (q = boards[0][rf][ff]);
6960 if(PieceToChar(q) == '+') gatingPiece = p;
6962 boards[0][toY][toX] = boards[0][fromY][fromX];
6963 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6964 if(boards[0][fromY][0] != EmptySquare) {
6965 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6966 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6969 if(fromX == BOARD_RGHT+1) {
6970 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6971 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6972 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6975 boards[0][fromY][fromX] = gatingPiece;
6976 DrawPosition(FALSE, boards[currentMove]);
6982 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
6983 pup = boards[currentMove][toY][toX];
6985 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6986 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6987 if( pup != EmptySquare ) return;
6988 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6989 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6990 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6991 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6992 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6993 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6994 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6998 /* [HGM] always test for legality, to get promotion info */
6999 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7000 fromY, fromX, toY, toX, promoChar);
7002 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7004 /* [HGM] but possibly ignore an IllegalMove result */
7005 if (appData.testLegality) {
7006 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7007 DisplayMoveError(_("Illegal move"));
7012 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7013 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7014 ClearPremoveHighlights(); // was included
7015 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7019 if(addToBookFlag) { // adding moves to book
7020 char buf[MSG_SIZ], move[MSG_SIZ];
7021 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7022 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7024 addToBookFlag = FALSE;
7029 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7032 /* Common tail of UserMoveEvent and DropMenuEvent */
7034 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7038 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7039 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7040 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7041 if(WhiteOnMove(currentMove)) {
7042 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7044 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7048 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7049 move type in caller when we know the move is a legal promotion */
7050 if(moveType == NormalMove && promoChar)
7051 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7053 /* [HGM] <popupFix> The following if has been moved here from
7054 UserMoveEvent(). Because it seemed to belong here (why not allow
7055 piece drops in training games?), and because it can only be
7056 performed after it is known to what we promote. */
7057 if (gameMode == Training) {
7058 /* compare the move played on the board to the next move in the
7059 * game. If they match, display the move and the opponent's response.
7060 * If they don't match, display an error message.
7064 CopyBoard(testBoard, boards[currentMove]);
7065 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7067 if (CompareBoards(testBoard, boards[currentMove+1])) {
7068 ForwardInner(currentMove+1);
7070 /* Autoplay the opponent's response.
7071 * if appData.animate was TRUE when Training mode was entered,
7072 * the response will be animated.
7074 saveAnimate = appData.animate;
7075 appData.animate = animateTraining;
7076 ForwardInner(currentMove+1);
7077 appData.animate = saveAnimate;
7079 /* check for the end of the game */
7080 if (currentMove >= forwardMostMove) {
7081 gameMode = PlayFromGameFile;
7083 SetTrainingModeOff();
7084 DisplayInformation(_("End of game"));
7087 DisplayError(_("Incorrect move"), 0);
7092 /* Ok, now we know that the move is good, so we can kill
7093 the previous line in Analysis Mode */
7094 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7095 && currentMove < forwardMostMove) {
7096 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7097 else forwardMostMove = currentMove;
7102 /* If we need the chess program but it's dead, restart it */
7103 ResurrectChessProgram();
7105 /* A user move restarts a paused game*/
7109 thinkOutput[0] = NULLCHAR;
7111 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7113 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7114 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7118 if (gameMode == BeginningOfGame) {
7119 if (appData.noChessProgram) {
7120 gameMode = EditGame;
7124 gameMode = MachinePlaysBlack;
7127 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7129 if (first.sendName) {
7130 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7131 SendToProgram(buf, &first);
7138 /* Relay move to ICS or chess engine */
7139 if (appData.icsActive) {
7140 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7141 gameMode == IcsExamining) {
7142 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7143 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7145 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7147 // also send plain move, in case ICS does not understand atomic claims
7148 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7152 if (first.sendTime && (gameMode == BeginningOfGame ||
7153 gameMode == MachinePlaysWhite ||
7154 gameMode == MachinePlaysBlack)) {
7155 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7157 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7158 // [HGM] book: if program might be playing, let it use book
7159 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7160 first.maybeThinking = TRUE;
7161 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7162 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7163 SendBoard(&first, currentMove+1);
7164 if(second.analyzing) {
7165 if(!second.useSetboard) SendToProgram("undo\n", &second);
7166 SendBoard(&second, currentMove+1);
7169 SendMoveToProgram(forwardMostMove-1, &first);
7170 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7172 if (currentMove == cmailOldMove + 1) {
7173 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7177 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7181 if(appData.testLegality)
7182 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7188 if (WhiteOnMove(currentMove)) {
7189 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7191 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7195 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7200 case MachinePlaysBlack:
7201 case MachinePlaysWhite:
7202 /* disable certain menu options while machine is thinking */
7203 SetMachineThinkingEnables();
7210 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7211 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7213 if(bookHit) { // [HGM] book: simulate book reply
7214 static char bookMove[MSG_SIZ]; // a bit generous?
7216 programStats.nodes = programStats.depth = programStats.time =
7217 programStats.score = programStats.got_only_move = 0;
7218 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7220 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7221 strcat(bookMove, bookHit);
7222 HandleMachineMove(bookMove, &first);
7228 MarkByFEN(char *fen)
7231 if(!appData.markers || !appData.highlightDragging) return;
7232 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7233 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7237 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7238 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7239 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7240 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7241 if(*fen == 'T') marker[r][f++] = 0; else
7242 if(*fen == 'Y') marker[r][f++] = 1; else
7243 if(*fen == 'G') marker[r][f++] = 3; else
7244 if(*fen == 'B') marker[r][f++] = 4; else
7245 if(*fen == 'C') marker[r][f++] = 5; else
7246 if(*fen == 'M') marker[r][f++] = 6; else
7247 if(*fen == 'W') marker[r][f++] = 7; else
7248 if(*fen == 'D') marker[r][f++] = 8; else
7249 if(*fen == 'R') marker[r][f++] = 2; else {
7250 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7253 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7257 DrawPosition(TRUE, NULL);
7260 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7263 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7265 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7266 Markers *m = (Markers *) closure;
7267 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 : rt == killY && ft == killX || legNr & 2))
7268 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7269 || kind == WhiteCapturesEnPassant
7270 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 1;
7271 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 1;
7274 static int hoverSavedValid;
7277 MarkTargetSquares (int clear)
7280 if(clear) { // no reason to ever suppress clearing
7281 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7282 hoverSavedValid = 0;
7283 if(!sum) return; // nothing was cleared,no redraw needed
7286 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7287 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7288 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7289 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7290 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7292 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7295 DrawPosition(FALSE, NULL);
7299 Explode (Board board, int fromX, int fromY, int toX, int toY)
7301 if(gameInfo.variant == VariantAtomic &&
7302 (board[toY][toX] != EmptySquare || // capture?
7303 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7304 board[fromY][fromX] == BlackPawn )
7306 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7312 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7315 CanPromote (ChessSquare piece, int y)
7317 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7318 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7319 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7320 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7321 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7322 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7323 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7324 return (piece == BlackPawn && y <= zone ||
7325 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7326 piece == BlackLance && y == 1 ||
7327 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7331 HoverEvent (int xPix, int yPix, int x, int y)
7333 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7335 if(!first.highlight) return;
7336 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7337 if(x == oldX && y == oldY) return; // only do something if we enter new square
7338 oldFromX = fromX; oldFromY = fromY;
7339 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7340 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7341 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7342 hoverSavedValid = 1;
7343 } else if(oldX != x || oldY != y) {
7344 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7345 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7346 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7347 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7348 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7350 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7351 SendToProgram(buf, &first);
7354 // SetHighlights(fromX, fromY, x, y);
7358 void ReportClick(char *action, int x, int y)
7360 char buf[MSG_SIZ]; // Inform engine of what user does
7362 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7363 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7364 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7365 if(!first.highlight || gameMode == EditPosition) return;
7366 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7367 SendToProgram(buf, &first);
7371 LeftClick (ClickType clickType, int xPix, int yPix)
7374 Boolean saveAnimate;
7375 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7376 char promoChoice = NULLCHAR;
7378 static TimeMark lastClickTime, prevClickTime;
7380 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7382 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7384 if (clickType == Press) ErrorPopDown();
7385 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7387 x = EventToSquare(xPix, BOARD_WIDTH);
7388 y = EventToSquare(yPix, BOARD_HEIGHT);
7389 if (!flipView && y >= 0) {
7390 y = BOARD_HEIGHT - 1 - y;
7392 if (flipView && x >= 0) {
7393 x = BOARD_WIDTH - 1 - x;
7396 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7397 defaultPromoChoice = promoSweep;
7398 promoSweep = EmptySquare; // terminate sweep
7399 promoDefaultAltered = TRUE;
7400 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7403 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7404 if(clickType == Release) return; // ignore upclick of click-click destination
7405 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7406 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7407 if(gameInfo.holdingsWidth &&
7408 (WhiteOnMove(currentMove)
7409 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7410 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7411 // click in right holdings, for determining promotion piece
7412 ChessSquare p = boards[currentMove][y][x];
7413 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7414 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7415 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7416 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7421 DrawPosition(FALSE, boards[currentMove]);
7425 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7426 if(clickType == Press
7427 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7428 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7429 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7432 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7433 // could be static click on premove from-square: abort premove
7435 ClearPremoveHighlights();
7438 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7439 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7441 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7442 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7443 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7444 defaultPromoChoice = DefaultPromoChoice(side);
7447 autoQueen = appData.alwaysPromoteToQueen;
7451 gatingPiece = EmptySquare;
7452 if (clickType != Press) {
7453 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7454 DragPieceEnd(xPix, yPix); dragging = 0;
7455 DrawPosition(FALSE, NULL);
7459 doubleClick = FALSE;
7460 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7461 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7463 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7464 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7465 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7466 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7468 if (OKToStartUserMove(fromX, fromY)) {
7470 ReportClick("lift", x, y);
7471 MarkTargetSquares(0);
7472 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7473 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7474 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7475 promoSweep = defaultPromoChoice;
7476 selectFlag = 0; lastX = xPix; lastY = yPix;
7477 Sweep(0); // Pawn that is going to promote: preview promotion piece
7478 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7480 if (appData.highlightDragging) {
7481 SetHighlights(fromX, fromY, -1, -1);
7485 } else fromX = fromY = -1;
7491 if (clickType == Press && gameMode != EditPosition) {
7496 // ignore off-board to clicks
7497 if(y < 0 || x < 0) return;
7499 /* Check if clicking again on the same color piece */
7500 fromP = boards[currentMove][fromY][fromX];
7501 toP = boards[currentMove][y][x];
7502 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7503 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7504 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7505 WhitePawn <= toP && toP <= WhiteKing &&
7506 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7507 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7508 (BlackPawn <= fromP && fromP <= BlackKing &&
7509 BlackPawn <= toP && toP <= BlackKing &&
7510 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7511 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7512 /* Clicked again on same color piece -- changed his mind */
7513 second = (x == fromX && y == fromY);
7515 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7516 second = FALSE; // first double-click rather than scond click
7517 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7519 promoDefaultAltered = FALSE;
7520 MarkTargetSquares(1);
7521 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7522 if (appData.highlightDragging) {
7523 SetHighlights(x, y, -1, -1);
7527 if (OKToStartUserMove(x, y)) {
7528 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7529 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7530 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7531 gatingPiece = boards[currentMove][fromY][fromX];
7532 else gatingPiece = doubleClick ? fromP : EmptySquare;
7534 fromY = y; dragging = 1;
7535 ReportClick("lift", x, y);
7536 MarkTargetSquares(0);
7537 DragPieceBegin(xPix, yPix, FALSE);
7538 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7539 promoSweep = defaultPromoChoice;
7540 selectFlag = 0; lastX = xPix; lastY = yPix;
7541 Sweep(0); // Pawn that is going to promote: preview promotion piece
7545 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7548 // ignore clicks on holdings
7549 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7552 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7553 DragPieceEnd(xPix, yPix); dragging = 0;
7555 // a deferred attempt to click-click move an empty square on top of a piece
7556 boards[currentMove][y][x] = EmptySquare;
7558 DrawPosition(FALSE, boards[currentMove]);
7559 fromX = fromY = -1; clearFlag = 0;
7562 if (appData.animateDragging) {
7563 /* Undo animation damage if any */
7564 DrawPosition(FALSE, NULL);
7566 if (second || sweepSelecting) {
7567 /* Second up/down in same square; just abort move */
7568 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7569 second = sweepSelecting = 0;
7571 gatingPiece = EmptySquare;
7572 MarkTargetSquares(1);
7575 ClearPremoveHighlights();
7577 /* First upclick in same square; start click-click mode */
7578 SetHighlights(x, y, -1, -1);
7585 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7586 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7587 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7588 DisplayMessage(_("only marked squares are legal"),"");
7589 DrawPosition(TRUE, NULL);
7590 return; // ignore to-click
7593 /* we now have a different from- and (possibly off-board) to-square */
7594 /* Completed move */
7595 if(!sweepSelecting) {
7600 piece = boards[currentMove][fromY][fromX];
7602 saveAnimate = appData.animate;
7603 if (clickType == Press) {
7604 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7605 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7606 // must be Edit Position mode with empty-square selected
7607 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7608 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7611 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7614 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7615 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7617 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7618 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7619 if(appData.sweepSelect) {
7620 promoSweep = defaultPromoChoice;
7621 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7622 selectFlag = 0; lastX = xPix; lastY = yPix;
7623 Sweep(0); // Pawn that is going to promote: preview promotion piece
7625 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7626 MarkTargetSquares(1);
7628 return; // promo popup appears on up-click
7630 /* Finish clickclick move */
7631 if (appData.animate || appData.highlightLastMove) {
7632 SetHighlights(fromX, fromY, toX, toY);
7636 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7637 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7638 if (appData.animate || appData.highlightLastMove) {
7639 SetHighlights(fromX, fromY, toX, toY);
7645 // [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
7646 /* Finish drag move */
7647 if (appData.highlightLastMove) {
7648 SetHighlights(fromX, fromY, toX, toY);
7653 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7654 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7655 dragging *= 2; // flag button-less dragging if we are dragging
7656 MarkTargetSquares(1);
7657 if(x == killX && y == killY) killX = killY = -1; else {
7658 killX = x; killY = y; //remeber this square as intermediate
7659 ReportClick("put", x, y); // and inform engine
7660 ReportClick("lift", x, y);
7661 MarkTargetSquares(0);
7665 DragPieceEnd(xPix, yPix); dragging = 0;
7666 /* Don't animate move and drag both */
7667 appData.animate = FALSE;
7670 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7671 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7672 ChessSquare piece = boards[currentMove][fromY][fromX];
7673 if(gameMode == EditPosition && piece != EmptySquare &&
7674 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7677 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7678 n = PieceToNumber(piece - (int)BlackPawn);
7679 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7680 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7681 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7683 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7684 n = PieceToNumber(piece);
7685 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7686 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7687 boards[currentMove][n][BOARD_WIDTH-2]++;
7689 boards[currentMove][fromY][fromX] = EmptySquare;
7693 MarkTargetSquares(1);
7694 DrawPosition(TRUE, boards[currentMove]);
7698 // off-board moves should not be highlighted
7699 if(x < 0 || y < 0) ClearHighlights();
7700 else ReportClick("put", x, y);
7702 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7704 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7705 SetHighlights(fromX, fromY, toX, toY);
7706 MarkTargetSquares(1);
7707 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7708 // [HGM] super: promotion to captured piece selected from holdings
7709 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7710 promotionChoice = TRUE;
7711 // kludge follows to temporarily execute move on display, without promoting yet
7712 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7713 boards[currentMove][toY][toX] = p;
7714 DrawPosition(FALSE, boards[currentMove]);
7715 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7716 boards[currentMove][toY][toX] = q;
7717 DisplayMessage("Click in holdings to choose piece", "");
7720 PromotionPopUp(promoChoice);
7722 int oldMove = currentMove;
7723 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7724 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7725 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7726 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7727 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7728 DrawPosition(TRUE, boards[currentMove]);
7729 MarkTargetSquares(1);
7732 appData.animate = saveAnimate;
7733 if (appData.animate || appData.animateDragging) {
7734 /* Undo animation damage if needed */
7735 DrawPosition(FALSE, NULL);
7740 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7741 { // front-end-free part taken out of PieceMenuPopup
7742 int whichMenu; int xSqr, ySqr;
7744 if(seekGraphUp) { // [HGM] seekgraph
7745 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7746 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7750 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7751 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7752 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7753 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7754 if(action == Press) {
7755 originalFlip = flipView;
7756 flipView = !flipView; // temporarily flip board to see game from partners perspective
7757 DrawPosition(TRUE, partnerBoard);
7758 DisplayMessage(partnerStatus, "");
7760 } else if(action == Release) {
7761 flipView = originalFlip;
7762 DrawPosition(TRUE, boards[currentMove]);
7768 xSqr = EventToSquare(x, BOARD_WIDTH);
7769 ySqr = EventToSquare(y, BOARD_HEIGHT);
7770 if (action == Release) {
7771 if(pieceSweep != EmptySquare) {
7772 EditPositionMenuEvent(pieceSweep, toX, toY);
7773 pieceSweep = EmptySquare;
7774 } else UnLoadPV(); // [HGM] pv
7776 if (action != Press) return -2; // return code to be ignored
7779 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7781 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7782 if (xSqr < 0 || ySqr < 0) return -1;
7783 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7784 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7785 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7786 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7790 if(!appData.icsEngineAnalyze) return -1;
7791 case IcsPlayingWhite:
7792 case IcsPlayingBlack:
7793 if(!appData.zippyPlay) goto noZip;
7796 case MachinePlaysWhite:
7797 case MachinePlaysBlack:
7798 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7799 if (!appData.dropMenu) {
7801 return 2; // flag front-end to grab mouse events
7803 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7804 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7807 if (xSqr < 0 || ySqr < 0) return -1;
7808 if (!appData.dropMenu || appData.testLegality &&
7809 gameInfo.variant != VariantBughouse &&
7810 gameInfo.variant != VariantCrazyhouse) return -1;
7811 whichMenu = 1; // drop menu
7817 if (((*fromX = xSqr) < 0) ||
7818 ((*fromY = ySqr) < 0)) {
7819 *fromX = *fromY = -1;
7823 *fromX = BOARD_WIDTH - 1 - *fromX;
7825 *fromY = BOARD_HEIGHT - 1 - *fromY;
7831 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7833 // char * hint = lastHint;
7834 FrontEndProgramStats stats;
7836 stats.which = cps == &first ? 0 : 1;
7837 stats.depth = cpstats->depth;
7838 stats.nodes = cpstats->nodes;
7839 stats.score = cpstats->score;
7840 stats.time = cpstats->time;
7841 stats.pv = cpstats->movelist;
7842 stats.hint = lastHint;
7843 stats.an_move_index = 0;
7844 stats.an_move_count = 0;
7846 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7847 stats.hint = cpstats->move_name;
7848 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7849 stats.an_move_count = cpstats->nr_moves;
7852 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
7854 SetProgramStats( &stats );
7858 ClearEngineOutputPane (int which)
7860 static FrontEndProgramStats dummyStats;
7861 dummyStats.which = which;
7862 dummyStats.pv = "#";
7863 SetProgramStats( &dummyStats );
7866 #define MAXPLAYERS 500
7869 TourneyStandings (int display)
7871 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7872 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7873 char result, *p, *names[MAXPLAYERS];
7875 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7876 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7877 names[0] = p = strdup(appData.participants);
7878 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7880 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7882 while(result = appData.results[nr]) {
7883 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7884 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7885 wScore = bScore = 0;
7887 case '+': wScore = 2; break;
7888 case '-': bScore = 2; break;
7889 case '=': wScore = bScore = 1; break;
7891 case '*': return strdup("busy"); // tourney not finished
7899 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7900 for(w=0; w<nPlayers; w++) {
7902 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7903 ranking[w] = b; points[w] = bScore; score[b] = -2;
7905 p = malloc(nPlayers*34+1);
7906 for(w=0; w<nPlayers && w<display; w++)
7907 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7913 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7914 { // count all piece types
7916 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7917 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7918 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7921 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7922 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7923 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7924 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7925 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7926 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7931 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7933 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7934 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7936 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7937 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7938 if(myPawns == 2 && nMine == 3) // KPP
7939 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7940 if(myPawns == 1 && nMine == 2) // KP
7941 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7942 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7943 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7944 if(myPawns) return FALSE;
7945 if(pCnt[WhiteRook+side])
7946 return pCnt[BlackRook-side] ||
7947 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7948 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7949 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7950 if(pCnt[WhiteCannon+side]) {
7951 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7952 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7954 if(pCnt[WhiteKnight+side])
7955 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7960 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7962 VariantClass v = gameInfo.variant;
7964 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7965 if(v == VariantShatranj) return TRUE; // always winnable through baring
7966 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7967 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7969 if(v == VariantXiangqi) {
7970 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7972 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7973 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7974 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7975 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7976 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7977 if(stale) // we have at least one last-rank P plus perhaps C
7978 return majors // KPKX
7979 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7981 return pCnt[WhiteFerz+side] // KCAK
7982 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7983 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7984 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7986 } else if(v == VariantKnightmate) {
7987 if(nMine == 1) return FALSE;
7988 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7989 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7990 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7992 if(nMine == 1) return FALSE; // bare King
7993 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
7994 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7995 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7996 // by now we have King + 1 piece (or multiple Bishops on the same color)
7997 if(pCnt[WhiteKnight+side])
7998 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7999 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8000 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8002 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8003 if(pCnt[WhiteAlfil+side])
8004 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8005 if(pCnt[WhiteWazir+side])
8006 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8013 CompareWithRights (Board b1, Board b2)
8016 if(!CompareBoards(b1, b2)) return FALSE;
8017 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8018 /* compare castling rights */
8019 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8020 rights++; /* King lost rights, while rook still had them */
8021 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8022 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8023 rights++; /* but at least one rook lost them */
8025 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8027 if( b1[CASTLING][5] != NoRights ) {
8028 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8035 Adjudicate (ChessProgramState *cps)
8036 { // [HGM] some adjudications useful with buggy engines
8037 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8038 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8039 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8040 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8041 int k, drop, count = 0; static int bare = 1;
8042 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8043 Boolean canAdjudicate = !appData.icsActive;
8045 // most tests only when we understand the game, i.e. legality-checking on
8046 if( appData.testLegality )
8047 { /* [HGM] Some more adjudications for obstinate engines */
8048 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
8049 static int moveCount = 6;
8051 char *reason = NULL;
8053 /* Count what is on board. */
8054 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8056 /* Some material-based adjudications that have to be made before stalemate test */
8057 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8058 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8059 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8060 if(canAdjudicate && appData.checkMates) {
8062 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8063 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8064 "Xboard adjudication: King destroyed", GE_XBOARD );
8069 /* Bare King in Shatranj (loses) or Losers (wins) */
8070 if( nrW == 1 || nrB == 1) {
8071 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8072 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8073 if(canAdjudicate && appData.checkMates) {
8075 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8076 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8077 "Xboard adjudication: Bare king", GE_XBOARD );
8081 if( gameInfo.variant == VariantShatranj && --bare < 0)
8083 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8084 if(canAdjudicate && appData.checkMates) {
8085 /* but only adjudicate if adjudication enabled */
8087 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8088 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8089 "Xboard adjudication: Bare king", GE_XBOARD );
8096 // don't wait for engine to announce game end if we can judge ourselves
8097 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8099 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8100 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8101 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8102 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8105 reason = "Xboard adjudication: 3rd check";
8106 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8117 reason = "Xboard adjudication: Stalemate";
8118 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8119 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8120 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8121 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8122 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8123 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8124 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8125 EP_CHECKMATE : EP_WINS);
8126 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8127 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8131 reason = "Xboard adjudication: Checkmate";
8132 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8133 if(gameInfo.variant == VariantShogi) {
8134 if(forwardMostMove > backwardMostMove
8135 && moveList[forwardMostMove-1][1] == '@'
8136 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8137 reason = "XBoard adjudication: pawn-drop mate";
8138 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8144 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8146 result = GameIsDrawn; break;
8148 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8150 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8154 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8156 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8157 GameEnds( result, reason, GE_XBOARD );
8161 /* Next absolutely insufficient mating material. */
8162 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8163 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8164 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8166 /* always flag draws, for judging claims */
8167 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8169 if(canAdjudicate && appData.materialDraws) {
8170 /* but only adjudicate them if adjudication enabled */
8171 if(engineOpponent) {
8172 SendToProgram("force\n", engineOpponent); // suppress reply
8173 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8175 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8180 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8181 if(gameInfo.variant == VariantXiangqi ?
8182 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8184 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8185 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8186 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8187 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8189 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8190 { /* if the first 3 moves do not show a tactical win, declare draw */
8191 if(engineOpponent) {
8192 SendToProgram("force\n", engineOpponent); // suppress reply
8193 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8195 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8198 } else moveCount = 6;
8201 // Repetition draws and 50-move rule can be applied independently of legality testing
8203 /* Check for rep-draws */
8205 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8206 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8207 for(k = forwardMostMove-2;
8208 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8209 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8210 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8213 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8214 /* compare castling rights */
8215 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8216 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8217 rights++; /* King lost rights, while rook still had them */
8218 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8219 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8220 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8221 rights++; /* but at least one rook lost them */
8223 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8224 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8226 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8227 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8228 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8231 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8232 && appData.drawRepeats > 1) {
8233 /* adjudicate after user-specified nr of repeats */
8234 int result = GameIsDrawn;
8235 char *details = "XBoard adjudication: repetition draw";
8236 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8237 // [HGM] xiangqi: check for forbidden perpetuals
8238 int m, ourPerpetual = 1, hisPerpetual = 1;
8239 for(m=forwardMostMove; m>k; m-=2) {
8240 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8241 ourPerpetual = 0; // the current mover did not always check
8242 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8243 hisPerpetual = 0; // the opponent did not always check
8245 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8246 ourPerpetual, hisPerpetual);
8247 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8248 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8249 details = "Xboard adjudication: perpetual checking";
8251 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8252 break; // (or we would have caught him before). Abort repetition-checking loop.
8254 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8255 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8257 details = "Xboard adjudication: repetition";
8259 } else // it must be XQ
8260 // Now check for perpetual chases
8261 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8262 hisPerpetual = PerpetualChase(k, forwardMostMove);
8263 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8264 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8265 static char resdet[MSG_SIZ];
8266 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8268 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8270 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8271 break; // Abort repetition-checking loop.
8273 // if neither of us is checking or chasing all the time, or both are, it is draw
8275 if(engineOpponent) {
8276 SendToProgram("force\n", engineOpponent); // suppress reply
8277 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8279 GameEnds( result, details, GE_XBOARD );
8282 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8283 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8287 /* Now we test for 50-move draws. Determine ply count */
8288 count = forwardMostMove;
8289 /* look for last irreversble move */
8290 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8292 /* if we hit starting position, add initial plies */
8293 if( count == backwardMostMove )
8294 count -= initialRulePlies;
8295 count = forwardMostMove - count;
8296 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8297 // adjust reversible move counter for checks in Xiangqi
8298 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8299 if(i < backwardMostMove) i = backwardMostMove;
8300 while(i <= forwardMostMove) {
8301 lastCheck = inCheck; // check evasion does not count
8302 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8303 if(inCheck || lastCheck) count--; // check does not count
8308 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8309 /* this is used to judge if draw claims are legal */
8310 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
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, "Xboard adjudication: 50-move rule", GE_XBOARD );
8319 /* if draw offer is pending, treat it as a draw claim
8320 * when draw condition present, to allow engines a way to
8321 * claim draws before making their move to avoid a race
8322 * condition occurring after their move
8324 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8326 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8327 p = "Draw claim: 50-move rule";
8328 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8329 p = "Draw claim: 3-fold repetition";
8330 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8331 p = "Draw claim: insufficient mating material";
8332 if( p != NULL && canAdjudicate) {
8333 if(engineOpponent) {
8334 SendToProgram("force\n", engineOpponent); // suppress reply
8335 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8337 GameEnds( GameIsDrawn, p, GE_XBOARD );
8342 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8343 if(engineOpponent) {
8344 SendToProgram("force\n", engineOpponent); // suppress reply
8345 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8347 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8353 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8354 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8355 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8360 int pieces[10], squares[10], cnt=0, r, f, res;
8362 static PPROBE_EGBB probeBB;
8363 if(!appData.testLegality) return 10;
8364 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8365 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8366 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8367 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8368 ChessSquare piece = boards[forwardMostMove][r][f];
8369 int black = (piece >= BlackPawn);
8370 int type = piece - black*BlackPawn;
8371 if(piece == EmptySquare) continue;
8372 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8373 if(type == WhiteKing) type = WhiteQueen + 1;
8374 type = egbbCode[type];
8375 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8376 pieces[cnt] = type + black*6;
8377 if(++cnt > 5) return 11;
8379 pieces[cnt] = squares[cnt] = 0;
8381 if(loaded == 2) return 13; // loading failed before
8383 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8386 loaded = 2; // prepare for failure
8387 if(!path) return 13; // no egbb installed
8388 strncpy(buf, path + 8, MSG_SIZ);
8389 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8390 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8391 lib = LoadLibrary(buf);
8392 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8393 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8394 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8395 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8396 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8397 loaded = 1; // success!
8399 res = probeBB(forwardMostMove & 1, pieces, squares);
8400 return res > 0 ? 1 : res < 0 ? -1 : 0;
8404 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8405 { // [HGM] book: this routine intercepts moves to simulate book replies
8406 char *bookHit = NULL;
8408 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8410 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8411 SendToProgram(buf, cps);
8413 //first determine if the incoming move brings opponent into his book
8414 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8415 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8416 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8417 if(bookHit != NULL && !cps->bookSuspend) {
8418 // make sure opponent is not going to reply after receiving move to book position
8419 SendToProgram("force\n", cps);
8420 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8422 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8423 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8424 // now arrange restart after book miss
8426 // after a book hit we never send 'go', and the code after the call to this routine
8427 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8428 char buf[MSG_SIZ], *move = bookHit;
8430 int fromX, fromY, toX, toY;
8434 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8435 &fromX, &fromY, &toX, &toY, &promoChar)) {
8436 (void) CoordsToAlgebraic(boards[forwardMostMove],
8437 PosFlags(forwardMostMove),
8438 fromY, fromX, toY, toX, promoChar, move);
8440 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8444 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8445 SendToProgram(buf, cps);
8446 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8447 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8448 SendToProgram("go\n", cps);
8449 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8450 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8451 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8452 SendToProgram("go\n", cps);
8453 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8455 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8459 LoadError (char *errmess, ChessProgramState *cps)
8460 { // unloads engine and switches back to -ncp mode if it was first
8461 if(cps->initDone) return FALSE;
8462 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8463 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8466 appData.noChessProgram = TRUE;
8467 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8468 gameMode = BeginningOfGame; ModeHighlight();
8471 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8472 DisplayMessage("", ""); // erase waiting message
8473 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8478 ChessProgramState *savedState;
8480 DeferredBookMove (void)
8482 if(savedState->lastPing != savedState->lastPong)
8483 ScheduleDelayedEvent(DeferredBookMove, 10);
8485 HandleMachineMove(savedMessage, savedState);
8488 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8489 static ChessProgramState *stalledEngine;
8490 static char stashedInputMove[MSG_SIZ];
8493 HandleMachineMove (char *message, ChessProgramState *cps)
8495 static char firstLeg[20];
8496 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8497 char realname[MSG_SIZ];
8498 int fromX, fromY, toX, toY;
8500 char promoChar, roar;
8502 int machineWhite, oldError;
8505 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8506 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8507 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8508 DisplayError(_("Invalid pairing from pairing engine"), 0);
8511 pairingReceived = 1;
8513 return; // Skim the pairing messages here.
8516 oldError = cps->userError; cps->userError = 0;
8518 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8520 * Kludge to ignore BEL characters
8522 while (*message == '\007') message++;
8525 * [HGM] engine debug message: ignore lines starting with '#' character
8527 if(cps->debug && *message == '#') return;
8530 * Look for book output
8532 if (cps == &first && bookRequested) {
8533 if (message[0] == '\t' || message[0] == ' ') {
8534 /* Part of the book output is here; append it */
8535 strcat(bookOutput, message);
8536 strcat(bookOutput, " \n");
8538 } else if (bookOutput[0] != NULLCHAR) {
8539 /* All of book output has arrived; display it */
8540 char *p = bookOutput;
8541 while (*p != NULLCHAR) {
8542 if (*p == '\t') *p = ' ';
8545 DisplayInformation(bookOutput);
8546 bookRequested = FALSE;
8547 /* Fall through to parse the current output */
8552 * Look for machine move.
8554 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8555 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8557 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8558 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8559 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8560 stalledEngine = cps;
8561 if(appData.ponderNextMove) { // bring opponent out of ponder
8562 if(gameMode == TwoMachinesPlay) {
8563 if(cps->other->pause)
8564 PauseEngine(cps->other);
8566 SendToProgram("easy\n", cps->other);
8573 /* This method is only useful on engines that support ping */
8574 if (cps->lastPing != cps->lastPong) {
8575 if (gameMode == BeginningOfGame) {
8576 /* Extra move from before last new; ignore */
8577 if (appData.debugMode) {
8578 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8581 if (appData.debugMode) {
8582 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8583 cps->which, gameMode);
8586 SendToProgram("undo\n", cps);
8592 case BeginningOfGame:
8593 /* Extra move from before last reset; ignore */
8594 if (appData.debugMode) {
8595 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8602 /* Extra move after we tried to stop. The mode test is
8603 not a reliable way of detecting this problem, but it's
8604 the best we can do on engines that don't support ping.
8606 if (appData.debugMode) {
8607 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8608 cps->which, gameMode);
8610 SendToProgram("undo\n", cps);
8613 case MachinePlaysWhite:
8614 case IcsPlayingWhite:
8615 machineWhite = TRUE;
8618 case MachinePlaysBlack:
8619 case IcsPlayingBlack:
8620 machineWhite = FALSE;
8623 case TwoMachinesPlay:
8624 machineWhite = (cps->twoMachinesColor[0] == 'w');
8627 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8628 if (appData.debugMode) {
8630 "Ignoring move out of turn by %s, gameMode %d"
8631 ", forwardMost %d\n",
8632 cps->which, gameMode, forwardMostMove);
8637 if(cps->alphaRank) AlphaRank(machineMove, 4);
8639 // [HGM] lion: (some very limited) support for Alien protocol
8641 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8642 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8644 } else if(firstLeg[0]) { // there was a previous leg;
8645 // only support case where same piece makes two step (and don't even test that!)
8646 char buf[20], *p = machineMove+1, *q = buf+1, f;
8647 safeStrCpy(buf, machineMove, 20);
8648 while(isdigit(*q)) q++; // find start of to-square
8649 safeStrCpy(machineMove, firstLeg, 20);
8650 while(isdigit(*p)) p++;
8651 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8652 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8653 firstLeg[0] = NULLCHAR;
8656 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8657 &fromX, &fromY, &toX, &toY, &promoChar)) {
8658 /* Machine move could not be parsed; ignore it. */
8659 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8660 machineMove, _(cps->which));
8661 DisplayMoveError(buf1);
8662 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
8663 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
8664 if (gameMode == TwoMachinesPlay) {
8665 GameEnds(machineWhite ? BlackWins : WhiteWins,
8671 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8672 /* So we have to redo legality test with true e.p. status here, */
8673 /* to make sure an illegal e.p. capture does not slip through, */
8674 /* to cause a forfeit on a justified illegal-move complaint */
8675 /* of the opponent. */
8676 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8678 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8679 fromY, fromX, toY, toX, promoChar);
8680 if(moveType == IllegalMove) {
8681 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8682 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8683 GameEnds(machineWhite ? BlackWins : WhiteWins,
8686 } else if(!appData.fischerCastling)
8687 /* [HGM] Kludge to handle engines that send FRC-style castling
8688 when they shouldn't (like TSCP-Gothic) */
8690 case WhiteASideCastleFR:
8691 case BlackASideCastleFR:
8693 currentMoveString[2]++;
8695 case WhiteHSideCastleFR:
8696 case BlackHSideCastleFR:
8698 currentMoveString[2]--;
8700 default: ; // nothing to do, but suppresses warning of pedantic compilers
8703 hintRequested = FALSE;
8704 lastHint[0] = NULLCHAR;
8705 bookRequested = FALSE;
8706 /* Program may be pondering now */
8707 cps->maybeThinking = TRUE;
8708 if (cps->sendTime == 2) cps->sendTime = 1;
8709 if (cps->offeredDraw) cps->offeredDraw--;
8711 /* [AS] Save move info*/
8712 pvInfoList[ forwardMostMove ].score = programStats.score;
8713 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8714 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8716 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8718 /* Test suites abort the 'game' after one move */
8719 if(*appData.finger) {
8721 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8722 if(!f) f = fopen(appData.finger, "w");
8723 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8724 else { DisplayFatalError("Bad output file", errno, 0); return; }
8726 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8729 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8730 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8733 while( count < adjudicateLossPlies ) {
8734 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8737 score = -score; /* Flip score for winning side */
8740 if( score > appData.adjudicateLossThreshold ) {
8747 if( count >= adjudicateLossPlies ) {
8748 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8750 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8751 "Xboard adjudication",
8758 if(Adjudicate(cps)) {
8759 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8760 return; // [HGM] adjudicate: for all automatic game ends
8764 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8766 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8767 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8769 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8771 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8773 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8774 char buf[3*MSG_SIZ];
8776 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8777 programStats.score / 100.,
8779 programStats.time / 100.,
8780 (unsigned int)programStats.nodes,
8781 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8782 programStats.movelist);
8788 /* [AS] Clear stats for next move */
8789 ClearProgramStats();
8790 thinkOutput[0] = NULLCHAR;
8791 hiddenThinkOutputState = 0;
8794 if (gameMode == TwoMachinesPlay) {
8795 /* [HGM] relaying draw offers moved to after reception of move */
8796 /* and interpreting offer as claim if it brings draw condition */
8797 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8798 SendToProgram("draw\n", cps->other);
8800 if (cps->other->sendTime) {
8801 SendTimeRemaining(cps->other,
8802 cps->other->twoMachinesColor[0] == 'w');
8804 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8805 if (firstMove && !bookHit) {
8807 if (cps->other->useColors) {
8808 SendToProgram(cps->other->twoMachinesColor, cps->other);
8810 SendToProgram("go\n", cps->other);
8812 cps->other->maybeThinking = TRUE;
8815 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8817 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8819 if (!pausing && appData.ringBellAfterMoves) {
8820 if(!roar) RingBell();
8824 * Reenable menu items that were disabled while
8825 * machine was thinking
8827 if (gameMode != TwoMachinesPlay)
8828 SetUserThinkingEnables();
8830 // [HGM] book: after book hit opponent has received move and is now in force mode
8831 // force the book reply into it, and then fake that it outputted this move by jumping
8832 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8834 static char bookMove[MSG_SIZ]; // a bit generous?
8836 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8837 strcat(bookMove, bookHit);
8840 programStats.nodes = programStats.depth = programStats.time =
8841 programStats.score = programStats.got_only_move = 0;
8842 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8844 if(cps->lastPing != cps->lastPong) {
8845 savedMessage = message; // args for deferred call
8847 ScheduleDelayedEvent(DeferredBookMove, 10);
8856 /* Set special modes for chess engines. Later something general
8857 * could be added here; for now there is just one kludge feature,
8858 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8859 * when "xboard" is given as an interactive command.
8861 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8862 cps->useSigint = FALSE;
8863 cps->useSigterm = FALSE;
8865 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8866 ParseFeatures(message+8, cps);
8867 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8870 if (!strncmp(message, "setup ", 6) &&
8871 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8872 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8873 ) { // [HGM] allow first engine to define opening position
8874 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8875 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8877 if(sscanf(message, "setup (%s", buf) == 1) {
8878 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8879 ASSIGN(appData.pieceToCharTable, buf);
8881 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8883 while(message[s] && message[s++] != ' ');
8884 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8885 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8886 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8887 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8888 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8889 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8890 startedFromSetupPosition = FALSE;
8893 if(startedFromSetupPosition) return;
8894 ParseFEN(boards[0], &dummy, message+s, FALSE);
8895 DrawPosition(TRUE, boards[0]);
8896 CopyBoard(initialPosition, boards[0]);
8897 startedFromSetupPosition = TRUE;
8900 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
8901 ChessSquare piece = WhitePawn;
8903 if(*p == '+') piece = CHUPROMOTED WhitePawn, p++;
8904 piece += CharToPiece(*p) - WhitePawn;
8905 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
8906 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
8907 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
8908 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
8909 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
8910 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
8911 && gameInfo.variant != VariantGreat
8912 && gameInfo.variant != VariantFairy ) return;
8913 if(piece < EmptySquare) {
8915 ASSIGN(pieceDesc[piece], buf1);
8916 if(isupper(*p) && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
8920 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8921 * want this, I was asked to put it in, and obliged.
8923 if (!strncmp(message, "setboard ", 9)) {
8924 Board initial_position;
8926 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8928 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8929 DisplayError(_("Bad FEN received from engine"), 0);
8933 CopyBoard(boards[0], initial_position);
8934 initialRulePlies = FENrulePlies;
8935 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8936 else gameMode = MachinePlaysBlack;
8937 DrawPosition(FALSE, boards[currentMove]);
8943 * Look for communication commands
8945 if (!strncmp(message, "telluser ", 9)) {
8946 if(message[9] == '\\' && message[10] == '\\')
8947 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8949 DisplayNote(message + 9);
8952 if (!strncmp(message, "tellusererror ", 14)) {
8954 if(message[14] == '\\' && message[15] == '\\')
8955 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8957 DisplayError(message + 14, 0);
8960 if (!strncmp(message, "tellopponent ", 13)) {
8961 if (appData.icsActive) {
8963 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8967 DisplayNote(message + 13);
8971 if (!strncmp(message, "tellothers ", 11)) {
8972 if (appData.icsActive) {
8974 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8977 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8980 if (!strncmp(message, "tellall ", 8)) {
8981 if (appData.icsActive) {
8983 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8987 DisplayNote(message + 8);
8991 if (strncmp(message, "warning", 7) == 0) {
8992 /* Undocumented feature, use tellusererror in new code */
8993 DisplayError(message, 0);
8996 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8997 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8998 strcat(realname, " query");
8999 AskQuestion(realname, buf2, buf1, cps->pr);
9002 /* Commands from the engine directly to ICS. We don't allow these to be
9003 * sent until we are logged on. Crafty kibitzes have been known to
9004 * interfere with the login process.
9007 if (!strncmp(message, "tellics ", 8)) {
9008 SendToICS(message + 8);
9012 if (!strncmp(message, "tellicsnoalias ", 15)) {
9013 SendToICS(ics_prefix);
9014 SendToICS(message + 15);
9018 /* The following are for backward compatibility only */
9019 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9020 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9021 SendToICS(ics_prefix);
9027 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9028 if(initPing == cps->lastPong) {
9029 if(gameInfo.variant == VariantUnknown) {
9030 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9031 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9032 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9038 if(!strncmp(message, "highlight ", 10)) {
9039 if(appData.testLegality && appData.markers) return;
9040 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9043 if(!strncmp(message, "click ", 6)) {
9044 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9045 if(appData.testLegality || !appData.oneClick) return;
9046 sscanf(message+6, "%c%d%c", &f, &y, &c);
9047 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9048 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9049 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9050 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9051 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9052 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9053 LeftClick(Release, lastLeftX, lastLeftY);
9054 controlKey = (c == ',');
9055 LeftClick(Press, x, y);
9056 LeftClick(Release, x, y);
9057 first.highlight = f;
9061 * If the move is illegal, cancel it and redraw the board.
9062 * Also deal with other error cases. Matching is rather loose
9063 * here to accommodate engines written before the spec.
9065 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9066 strncmp(message, "Error", 5) == 0) {
9067 if (StrStr(message, "name") ||
9068 StrStr(message, "rating") || StrStr(message, "?") ||
9069 StrStr(message, "result") || StrStr(message, "board") ||
9070 StrStr(message, "bk") || StrStr(message, "computer") ||
9071 StrStr(message, "variant") || StrStr(message, "hint") ||
9072 StrStr(message, "random") || StrStr(message, "depth") ||
9073 StrStr(message, "accepted")) {
9076 if (StrStr(message, "protover")) {
9077 /* Program is responding to input, so it's apparently done
9078 initializing, and this error message indicates it is
9079 protocol version 1. So we don't need to wait any longer
9080 for it to initialize and send feature commands. */
9081 FeatureDone(cps, 1);
9082 cps->protocolVersion = 1;
9085 cps->maybeThinking = FALSE;
9087 if (StrStr(message, "draw")) {
9088 /* Program doesn't have "draw" command */
9089 cps->sendDrawOffers = 0;
9092 if (cps->sendTime != 1 &&
9093 (StrStr(message, "time") || StrStr(message, "otim"))) {
9094 /* Program apparently doesn't have "time" or "otim" command */
9098 if (StrStr(message, "analyze")) {
9099 cps->analysisSupport = FALSE;
9100 cps->analyzing = FALSE;
9101 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9102 EditGameEvent(); // [HGM] try to preserve loaded game
9103 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9104 DisplayError(buf2, 0);
9107 if (StrStr(message, "(no matching move)st")) {
9108 /* Special kludge for GNU Chess 4 only */
9109 cps->stKludge = TRUE;
9110 SendTimeControl(cps, movesPerSession, timeControl,
9111 timeIncrement, appData.searchDepth,
9115 if (StrStr(message, "(no matching move)sd")) {
9116 /* Special kludge for GNU Chess 4 only */
9117 cps->sdKludge = TRUE;
9118 SendTimeControl(cps, movesPerSession, timeControl,
9119 timeIncrement, appData.searchDepth,
9123 if (!StrStr(message, "llegal")) {
9126 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9127 gameMode == IcsIdle) return;
9128 if (forwardMostMove <= backwardMostMove) return;
9129 if (pausing) PauseEvent();
9130 if(appData.forceIllegal) {
9131 // [HGM] illegal: machine refused move; force position after move into it
9132 SendToProgram("force\n", cps);
9133 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9134 // we have a real problem now, as SendBoard will use the a2a3 kludge
9135 // when black is to move, while there might be nothing on a2 or black
9136 // might already have the move. So send the board as if white has the move.
9137 // But first we must change the stm of the engine, as it refused the last move
9138 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9139 if(WhiteOnMove(forwardMostMove)) {
9140 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9141 SendBoard(cps, forwardMostMove); // kludgeless board
9143 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9144 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9145 SendBoard(cps, forwardMostMove+1); // kludgeless board
9147 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9148 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9149 gameMode == TwoMachinesPlay)
9150 SendToProgram("go\n", cps);
9153 if (gameMode == PlayFromGameFile) {
9154 /* Stop reading this game file */
9155 gameMode = EditGame;
9158 /* [HGM] illegal-move claim should forfeit game when Xboard */
9159 /* only passes fully legal moves */
9160 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9161 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9162 "False illegal-move claim", GE_XBOARD );
9163 return; // do not take back move we tested as valid
9165 currentMove = forwardMostMove-1;
9166 DisplayMove(currentMove-1); /* before DisplayMoveError */
9167 SwitchClocks(forwardMostMove-1); // [HGM] race
9168 DisplayBothClocks();
9169 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9170 parseList[currentMove], _(cps->which));
9171 DisplayMoveError(buf1);
9172 DrawPosition(FALSE, boards[currentMove]);
9174 SetUserThinkingEnables();
9177 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9178 /* Program has a broken "time" command that
9179 outputs a string not ending in newline.
9183 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9184 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9185 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9189 * If chess program startup fails, exit with an error message.
9190 * Attempts to recover here are futile. [HGM] Well, we try anyway
9192 if ((StrStr(message, "unknown host") != NULL)
9193 || (StrStr(message, "No remote directory") != NULL)
9194 || (StrStr(message, "not found") != NULL)
9195 || (StrStr(message, "No such file") != NULL)
9196 || (StrStr(message, "can't alloc") != NULL)
9197 || (StrStr(message, "Permission denied") != NULL)) {
9199 cps->maybeThinking = FALSE;
9200 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9201 _(cps->which), cps->program, cps->host, message);
9202 RemoveInputSource(cps->isr);
9203 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9204 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9205 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9211 * Look for hint output
9213 if (sscanf(message, "Hint: %s", buf1) == 1) {
9214 if (cps == &first && hintRequested) {
9215 hintRequested = FALSE;
9216 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9217 &fromX, &fromY, &toX, &toY, &promoChar)) {
9218 (void) CoordsToAlgebraic(boards[forwardMostMove],
9219 PosFlags(forwardMostMove),
9220 fromY, fromX, toY, toX, promoChar, buf1);
9221 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9222 DisplayInformation(buf2);
9224 /* Hint move could not be parsed!? */
9225 snprintf(buf2, sizeof(buf2),
9226 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9227 buf1, _(cps->which));
9228 DisplayError(buf2, 0);
9231 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9237 * Ignore other messages if game is not in progress
9239 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9240 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9243 * look for win, lose, draw, or draw offer
9245 if (strncmp(message, "1-0", 3) == 0) {
9246 char *p, *q, *r = "";
9247 p = strchr(message, '{');
9255 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9257 } else if (strncmp(message, "0-1", 3) == 0) {
9258 char *p, *q, *r = "";
9259 p = strchr(message, '{');
9267 /* Kludge for Arasan 4.1 bug */
9268 if (strcmp(r, "Black resigns") == 0) {
9269 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9272 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9274 } else if (strncmp(message, "1/2", 3) == 0) {
9275 char *p, *q, *r = "";
9276 p = strchr(message, '{');
9285 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9288 } else if (strncmp(message, "White resign", 12) == 0) {
9289 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9291 } else if (strncmp(message, "Black resign", 12) == 0) {
9292 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9294 } else if (strncmp(message, "White matches", 13) == 0 ||
9295 strncmp(message, "Black matches", 13) == 0 ) {
9296 /* [HGM] ignore GNUShogi noises */
9298 } else if (strncmp(message, "White", 5) == 0 &&
9299 message[5] != '(' &&
9300 StrStr(message, "Black") == NULL) {
9301 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9303 } else if (strncmp(message, "Black", 5) == 0 &&
9304 message[5] != '(') {
9305 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9307 } else if (strcmp(message, "resign") == 0 ||
9308 strcmp(message, "computer resigns") == 0) {
9310 case MachinePlaysBlack:
9311 case IcsPlayingBlack:
9312 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9314 case MachinePlaysWhite:
9315 case IcsPlayingWhite:
9316 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9318 case TwoMachinesPlay:
9319 if (cps->twoMachinesColor[0] == 'w')
9320 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9322 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9329 } else if (strncmp(message, "opponent mates", 14) == 0) {
9331 case MachinePlaysBlack:
9332 case IcsPlayingBlack:
9333 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9335 case MachinePlaysWhite:
9336 case IcsPlayingWhite:
9337 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9339 case TwoMachinesPlay:
9340 if (cps->twoMachinesColor[0] == 'w')
9341 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9343 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9350 } else if (strncmp(message, "computer mates", 14) == 0) {
9352 case MachinePlaysBlack:
9353 case IcsPlayingBlack:
9354 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9356 case MachinePlaysWhite:
9357 case IcsPlayingWhite:
9358 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9360 case TwoMachinesPlay:
9361 if (cps->twoMachinesColor[0] == 'w')
9362 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9364 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9371 } else if (strncmp(message, "checkmate", 9) == 0) {
9372 if (WhiteOnMove(forwardMostMove)) {
9373 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9375 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9378 } else if (strstr(message, "Draw") != NULL ||
9379 strstr(message, "game is a draw") != NULL) {
9380 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9382 } else if (strstr(message, "offer") != NULL &&
9383 strstr(message, "draw") != NULL) {
9385 if (appData.zippyPlay && first.initDone) {
9386 /* Relay offer to ICS */
9387 SendToICS(ics_prefix);
9388 SendToICS("draw\n");
9391 cps->offeredDraw = 2; /* valid until this engine moves twice */
9392 if (gameMode == TwoMachinesPlay) {
9393 if (cps->other->offeredDraw) {
9394 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9395 /* [HGM] in two-machine mode we delay relaying draw offer */
9396 /* until after we also have move, to see if it is really claim */
9398 } else if (gameMode == MachinePlaysWhite ||
9399 gameMode == MachinePlaysBlack) {
9400 if (userOfferedDraw) {
9401 DisplayInformation(_("Machine accepts your draw offer"));
9402 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9404 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9411 * Look for thinking output
9413 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9414 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9416 int plylev, mvleft, mvtot, curscore, time;
9417 char mvname[MOVE_LEN];
9421 int prefixHint = FALSE;
9422 mvname[0] = NULLCHAR;
9425 case MachinePlaysBlack:
9426 case IcsPlayingBlack:
9427 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9429 case MachinePlaysWhite:
9430 case IcsPlayingWhite:
9431 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9436 case IcsObserving: /* [DM] icsEngineAnalyze */
9437 if (!appData.icsEngineAnalyze) ignore = TRUE;
9439 case TwoMachinesPlay:
9440 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9450 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9452 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9453 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9455 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9456 nodes += u64Const(0x100000000);
9458 if (plyext != ' ' && plyext != '\t') {
9462 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9463 if( cps->scoreIsAbsolute &&
9464 ( gameMode == MachinePlaysBlack ||
9465 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9466 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9467 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9468 !WhiteOnMove(currentMove)
9471 curscore = -curscore;
9474 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9476 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9479 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9480 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9481 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9482 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9483 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9484 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9488 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9489 DisplayError(_("failed writing PV"), 0);
9492 tempStats.depth = plylev;
9493 tempStats.nodes = nodes;
9494 tempStats.time = time;
9495 tempStats.score = curscore;
9496 tempStats.got_only_move = 0;
9498 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9501 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9502 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9503 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9504 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9505 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9506 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9507 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9508 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9511 /* Buffer overflow protection */
9512 if (pv[0] != NULLCHAR) {
9513 if (strlen(pv) >= sizeof(tempStats.movelist)
9514 && appData.debugMode) {
9516 "PV is too long; using the first %u bytes.\n",
9517 (unsigned) sizeof(tempStats.movelist) - 1);
9520 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9522 sprintf(tempStats.movelist, " no PV\n");
9525 if (tempStats.seen_stat) {
9526 tempStats.ok_to_send = 1;
9529 if (strchr(tempStats.movelist, '(') != NULL) {
9530 tempStats.line_is_book = 1;
9531 tempStats.nr_moves = 0;
9532 tempStats.moves_left = 0;
9534 tempStats.line_is_book = 0;
9537 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9538 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9540 SendProgramStatsToFrontend( cps, &tempStats );
9543 [AS] Protect the thinkOutput buffer from overflow... this
9544 is only useful if buf1 hasn't overflowed first!
9546 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9548 (gameMode == TwoMachinesPlay ?
9549 ToUpper(cps->twoMachinesColor[0]) : ' '),
9550 ((double) curscore) / 100.0,
9551 prefixHint ? lastHint : "",
9552 prefixHint ? " " : "" );
9554 if( buf1[0] != NULLCHAR ) {
9555 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9557 if( strlen(pv) > max_len ) {
9558 if( appData.debugMode) {
9559 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9561 pv[max_len+1] = '\0';
9564 strcat( thinkOutput, pv);
9567 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9568 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9569 DisplayMove(currentMove - 1);
9573 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9574 /* crafty (9.25+) says "(only move) <move>"
9575 * if there is only 1 legal move
9577 sscanf(p, "(only move) %s", buf1);
9578 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9579 sprintf(programStats.movelist, "%s (only move)", buf1);
9580 programStats.depth = 1;
9581 programStats.nr_moves = 1;
9582 programStats.moves_left = 1;
9583 programStats.nodes = 1;
9584 programStats.time = 1;
9585 programStats.got_only_move = 1;
9587 /* Not really, but we also use this member to
9588 mean "line isn't going to change" (Crafty
9589 isn't searching, so stats won't change) */
9590 programStats.line_is_book = 1;
9592 SendProgramStatsToFrontend( cps, &programStats );
9594 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9595 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9596 DisplayMove(currentMove - 1);
9599 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9600 &time, &nodes, &plylev, &mvleft,
9601 &mvtot, mvname) >= 5) {
9602 /* The stat01: line is from Crafty (9.29+) in response
9603 to the "." command */
9604 programStats.seen_stat = 1;
9605 cps->maybeThinking = TRUE;
9607 if (programStats.got_only_move || !appData.periodicUpdates)
9610 programStats.depth = plylev;
9611 programStats.time = time;
9612 programStats.nodes = nodes;
9613 programStats.moves_left = mvleft;
9614 programStats.nr_moves = mvtot;
9615 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9616 programStats.ok_to_send = 1;
9617 programStats.movelist[0] = '\0';
9619 SendProgramStatsToFrontend( cps, &programStats );
9623 } else if (strncmp(message,"++",2) == 0) {
9624 /* Crafty 9.29+ outputs this */
9625 programStats.got_fail = 2;
9628 } else if (strncmp(message,"--",2) == 0) {
9629 /* Crafty 9.29+ outputs this */
9630 programStats.got_fail = 1;
9633 } else if (thinkOutput[0] != NULLCHAR &&
9634 strncmp(message, " ", 4) == 0) {
9635 unsigned message_len;
9638 while (*p && *p == ' ') p++;
9640 message_len = strlen( p );
9642 /* [AS] Avoid buffer overflow */
9643 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9644 strcat(thinkOutput, " ");
9645 strcat(thinkOutput, p);
9648 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9649 strcat(programStats.movelist, " ");
9650 strcat(programStats.movelist, p);
9653 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9654 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9655 DisplayMove(currentMove - 1);
9663 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9664 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9666 ChessProgramStats cpstats;
9668 if (plyext != ' ' && plyext != '\t') {
9672 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9673 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9674 curscore = -curscore;
9677 cpstats.depth = plylev;
9678 cpstats.nodes = nodes;
9679 cpstats.time = time;
9680 cpstats.score = curscore;
9681 cpstats.got_only_move = 0;
9682 cpstats.movelist[0] = '\0';
9684 if (buf1[0] != NULLCHAR) {
9685 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9688 cpstats.ok_to_send = 0;
9689 cpstats.line_is_book = 0;
9690 cpstats.nr_moves = 0;
9691 cpstats.moves_left = 0;
9693 SendProgramStatsToFrontend( cps, &cpstats );
9700 /* Parse a game score from the character string "game", and
9701 record it as the history of the current game. The game
9702 score is NOT assumed to start from the standard position.
9703 The display is not updated in any way.
9706 ParseGameHistory (char *game)
9709 int fromX, fromY, toX, toY, boardIndex;
9714 if (appData.debugMode)
9715 fprintf(debugFP, "Parsing game history: %s\n", game);
9717 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9718 gameInfo.site = StrSave(appData.icsHost);
9719 gameInfo.date = PGNDate();
9720 gameInfo.round = StrSave("-");
9722 /* Parse out names of players */
9723 while (*game == ' ') game++;
9725 while (*game != ' ') *p++ = *game++;
9727 gameInfo.white = StrSave(buf);
9728 while (*game == ' ') game++;
9730 while (*game != ' ' && *game != '\n') *p++ = *game++;
9732 gameInfo.black = StrSave(buf);
9735 boardIndex = blackPlaysFirst ? 1 : 0;
9738 yyboardindex = boardIndex;
9739 moveType = (ChessMove) Myylex();
9741 case IllegalMove: /* maybe suicide chess, etc. */
9742 if (appData.debugMode) {
9743 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9744 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9745 setbuf(debugFP, NULL);
9747 case WhitePromotion:
9748 case BlackPromotion:
9749 case WhiteNonPromotion:
9750 case BlackNonPromotion:
9753 case WhiteCapturesEnPassant:
9754 case BlackCapturesEnPassant:
9755 case WhiteKingSideCastle:
9756 case WhiteQueenSideCastle:
9757 case BlackKingSideCastle:
9758 case BlackQueenSideCastle:
9759 case WhiteKingSideCastleWild:
9760 case WhiteQueenSideCastleWild:
9761 case BlackKingSideCastleWild:
9762 case BlackQueenSideCastleWild:
9764 case WhiteHSideCastleFR:
9765 case WhiteASideCastleFR:
9766 case BlackHSideCastleFR:
9767 case BlackASideCastleFR:
9769 fromX = currentMoveString[0] - AAA;
9770 fromY = currentMoveString[1] - ONE;
9771 toX = currentMoveString[2] - AAA;
9772 toY = currentMoveString[3] - ONE;
9773 promoChar = currentMoveString[4];
9777 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9778 fromX = moveType == WhiteDrop ?
9779 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9780 (int) CharToPiece(ToLower(currentMoveString[0]));
9782 toX = currentMoveString[2] - AAA;
9783 toY = currentMoveString[3] - ONE;
9784 promoChar = NULLCHAR;
9788 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9789 if (appData.debugMode) {
9790 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9791 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9792 setbuf(debugFP, NULL);
9794 DisplayError(buf, 0);
9796 case ImpossibleMove:
9798 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9799 if (appData.debugMode) {
9800 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9801 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9802 setbuf(debugFP, NULL);
9804 DisplayError(buf, 0);
9807 if (boardIndex < backwardMostMove) {
9808 /* Oops, gap. How did that happen? */
9809 DisplayError(_("Gap in move list"), 0);
9812 backwardMostMove = blackPlaysFirst ? 1 : 0;
9813 if (boardIndex > forwardMostMove) {
9814 forwardMostMove = boardIndex;
9818 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9819 strcat(parseList[boardIndex-1], " ");
9820 strcat(parseList[boardIndex-1], yy_text);
9832 case GameUnfinished:
9833 if (gameMode == IcsExamining) {
9834 if (boardIndex < backwardMostMove) {
9835 /* Oops, gap. How did that happen? */
9838 backwardMostMove = blackPlaysFirst ? 1 : 0;
9841 gameInfo.result = moveType;
9842 p = strchr(yy_text, '{');
9843 if (p == NULL) p = strchr(yy_text, '(');
9846 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9848 q = strchr(p, *p == '{' ? '}' : ')');
9849 if (q != NULL) *q = NULLCHAR;
9852 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9853 gameInfo.resultDetails = StrSave(p);
9856 if (boardIndex >= forwardMostMove &&
9857 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9858 backwardMostMove = blackPlaysFirst ? 1 : 0;
9861 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9862 fromY, fromX, toY, toX, promoChar,
9863 parseList[boardIndex]);
9864 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9865 /* currentMoveString is set as a side-effect of yylex */
9866 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9867 strcat(moveList[boardIndex], "\n");
9869 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9870 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9876 if(!IS_SHOGI(gameInfo.variant))
9877 strcat(parseList[boardIndex - 1], "+");
9881 strcat(parseList[boardIndex - 1], "#");
9888 /* Apply a move to the given board */
9890 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9892 ChessSquare captured = board[toY][toX], piece, king; int p, rookX, oldEP = EP_NONE, berolina = 0;
9893 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9895 /* [HGM] compute & store e.p. status and castling rights for new position */
9896 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9898 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9899 oldEP = (signed char)board[EP_STATUS];
9900 board[EP_STATUS] = EP_NONE;
9901 board[EP_FILE] = board[EP_RANK] = 100;
9903 if (fromY == DROP_RANK) {
9905 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9906 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9909 piece = board[toY][toX] = (ChessSquare) fromX;
9911 // ChessSquare victim;
9914 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9915 // victim = board[killY][killX],
9916 board[killY][killX] = EmptySquare,
9917 board[EP_STATUS] = EP_CAPTURE;
9919 if( board[toY][toX] != EmptySquare ) {
9920 board[EP_STATUS] = EP_CAPTURE;
9921 if( (fromX != toX || fromY != toY) && // not igui!
9922 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9923 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9924 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9928 piece = board[fromY][fromX];
9929 if( piece == WhiteLance || piece == BlackLance ) {
9930 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
9931 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
9932 else piece += WhiteLance - WhitePawn; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
9935 if( piece == WhitePawn ) {
9936 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9937 board[EP_STATUS] = EP_PAWN_MOVE;
9939 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
9940 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9941 gameInfo.variant != VariantBerolina || toX < fromX)
9942 board[EP_STATUS] = toX | berolina;
9943 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9944 gameInfo.variant != VariantBerolina || toX > fromX)
9945 board[EP_STATUS] = toX;
9948 if( piece == BlackPawn ) {
9949 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9950 board[EP_STATUS] = EP_PAWN_MOVE;
9951 if( toY-fromY<= -2) {
9952 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
9953 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9954 gameInfo.variant != VariantBerolina || toX < fromX)
9955 board[EP_STATUS] = toX | berolina;
9956 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9957 gameInfo.variant != VariantBerolina || toX > fromX)
9958 board[EP_STATUS] = toX;
9962 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
9963 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
9964 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
9965 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
9967 for(i=0; i<nrCastlingRights; i++) {
9968 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9969 board[CASTLING][i] == toX && castlingRank[i] == toY
9970 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9973 if(gameInfo.variant == VariantSChess) { // update virginity
9974 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9975 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9976 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9977 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9980 if (fromX == toX && fromY == toY) return;
9982 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9983 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9984 if(gameInfo.variant == VariantKnightmate)
9985 king += (int) WhiteUnicorn - (int) WhiteKing;
9987 /* Code added by Tord: */
9988 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9989 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9990 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9991 board[EP_STATUS] = EP_NONE; // capture was fake!
9992 board[fromY][fromX] = EmptySquare;
9993 board[toY][toX] = EmptySquare;
9994 if((toX > fromX) != (piece == WhiteRook)) {
9995 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9997 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9999 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10000 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10001 board[EP_STATUS] = EP_NONE;
10002 board[fromY][fromX] = EmptySquare;
10003 board[toY][toX] = EmptySquare;
10004 if((toX > fromX) != (piece == BlackRook)) {
10005 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10007 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10009 /* End of code added by Tord */
10011 } else if (board[fromY][fromX] == king
10012 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10013 && toY == fromY && toX > fromX+1) {
10014 board[fromY][fromX] = EmptySquare;
10015 board[toY][toX] = king;
10016 for(rookX=BOARD_RGHT-1; board[toY][rookX] == DarkSquare && rookX > toX + 1; rookX--);
10017 board[toY][toX-1] = board[fromY][rookX];
10018 board[fromY][rookX] = EmptySquare;
10019 } else if (board[fromY][fromX] == king
10020 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10021 && toY == fromY && toX < fromX-1) {
10022 board[fromY][fromX] = EmptySquare;
10023 board[toY][toX] = king;
10024 for(rookX=BOARD_LEFT; board[toY][rookX] == DarkSquare && rookX < toX - 1; rookX++);
10025 board[toY][toX+1] = board[fromY][rookX];
10026 board[fromY][rookX] = EmptySquare;
10027 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10028 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10029 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10031 /* white pawn promotion */
10032 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10033 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10034 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10035 board[fromY][fromX] = EmptySquare;
10036 } else if ((fromY >= BOARD_HEIGHT>>1)
10037 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10039 && gameInfo.variant != VariantXiangqi
10040 && gameInfo.variant != VariantBerolina
10041 && (board[fromY][fromX] == WhitePawn)
10042 && (board[toY][toX] == EmptySquare)) {
10043 board[fromY][fromX] = EmptySquare;
10044 board[toY][toX] = WhitePawn;
10045 if(toY == board[EP_RANK] - 128 + 1)
10046 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10048 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10049 } else if ((fromY == BOARD_HEIGHT-4)
10051 && gameInfo.variant == VariantBerolina
10052 && (board[fromY][fromX] == WhitePawn)
10053 && (board[toY][toX] == EmptySquare)) {
10054 board[fromY][fromX] = EmptySquare;
10055 board[toY][toX] = WhitePawn;
10056 if(oldEP & EP_BEROLIN_A) {
10057 captured = board[fromY][fromX-1];
10058 board[fromY][fromX-1] = EmptySquare;
10059 }else{ captured = board[fromY][fromX+1];
10060 board[fromY][fromX+1] = EmptySquare;
10062 } else if (board[fromY][fromX] == king
10063 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10064 && toY == fromY && toX > fromX+1) {
10065 board[fromY][fromX] = EmptySquare;
10066 board[toY][toX] = king;
10067 for(rookX=BOARD_RGHT-1; board[toY][rookX] == DarkSquare && rookX > toX + 1; rookX--);
10068 board[toY][toX-1] = board[fromY][rookX];
10069 board[fromY][rookX] = EmptySquare;
10070 } else if (board[fromY][fromX] == king
10071 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10072 && toY == fromY && toX < fromX-1) {
10073 board[fromY][fromX] = EmptySquare;
10074 board[toY][toX] = king;
10075 for(rookX=BOARD_LEFT; board[toY][rookX] == DarkSquare && rookX < toX - 1; rookX++);
10076 board[toY][toX+1] = board[fromY][rookX];
10077 board[fromY][rookX] = EmptySquare;
10078 } else if (fromY == 7 && fromX == 3
10079 && board[fromY][fromX] == BlackKing
10080 && toY == 7 && toX == 5) {
10081 board[fromY][fromX] = EmptySquare;
10082 board[toY][toX] = BlackKing;
10083 board[fromY][7] = EmptySquare;
10084 board[toY][4] = BlackRook;
10085 } else if (fromY == 7 && fromX == 3
10086 && board[fromY][fromX] == BlackKing
10087 && toY == 7 && toX == 1) {
10088 board[fromY][fromX] = EmptySquare;
10089 board[toY][toX] = BlackKing;
10090 board[fromY][0] = EmptySquare;
10091 board[toY][2] = BlackRook;
10092 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10093 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10094 && toY < promoRank && promoChar
10096 /* black pawn promotion */
10097 board[toY][toX] = CharToPiece(ToLower(promoChar));
10098 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10099 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10100 board[fromY][fromX] = EmptySquare;
10101 } else if ((fromY < BOARD_HEIGHT>>1)
10102 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10104 && gameInfo.variant != VariantXiangqi
10105 && gameInfo.variant != VariantBerolina
10106 && (board[fromY][fromX] == BlackPawn)
10107 && (board[toY][toX] == EmptySquare)) {
10108 board[fromY][fromX] = EmptySquare;
10109 board[toY][toX] = BlackPawn;
10110 if(toY == board[EP_RANK] - 128 - 1)
10111 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10113 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10114 } else if ((fromY == 3)
10116 && gameInfo.variant == VariantBerolina
10117 && (board[fromY][fromX] == BlackPawn)
10118 && (board[toY][toX] == EmptySquare)) {
10119 board[fromY][fromX] = EmptySquare;
10120 board[toY][toX] = BlackPawn;
10121 if(oldEP & EP_BEROLIN_A) {
10122 captured = board[fromY][fromX-1];
10123 board[fromY][fromX-1] = EmptySquare;
10124 }else{ captured = board[fromY][fromX+1];
10125 board[fromY][fromX+1] = EmptySquare;
10128 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10129 board[fromY][fromX] = EmptySquare;
10130 board[toY][toX] = piece;
10134 if (gameInfo.holdingsWidth != 0) {
10136 /* !!A lot more code needs to be written to support holdings */
10137 /* [HGM] OK, so I have written it. Holdings are stored in the */
10138 /* penultimate board files, so they are automaticlly stored */
10139 /* in the game history. */
10140 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10141 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10142 /* Delete from holdings, by decreasing count */
10143 /* and erasing image if necessary */
10144 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10145 if(p < (int) BlackPawn) { /* white drop */
10146 p -= (int)WhitePawn;
10147 p = PieceToNumber((ChessSquare)p);
10148 if(p >= gameInfo.holdingsSize) p = 0;
10149 if(--board[p][BOARD_WIDTH-2] <= 0)
10150 board[p][BOARD_WIDTH-1] = EmptySquare;
10151 if((int)board[p][BOARD_WIDTH-2] < 0)
10152 board[p][BOARD_WIDTH-2] = 0;
10153 } else { /* black drop */
10154 p -= (int)BlackPawn;
10155 p = PieceToNumber((ChessSquare)p);
10156 if(p >= gameInfo.holdingsSize) p = 0;
10157 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10158 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10159 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10160 board[BOARD_HEIGHT-1-p][1] = 0;
10163 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10164 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10165 /* [HGM] holdings: Add to holdings, if holdings exist */
10166 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10167 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10168 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10170 p = (int) captured;
10171 if (p >= (int) BlackPawn) {
10172 p -= (int)BlackPawn;
10173 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10174 /* Restore shogi-promoted piece to its original first */
10175 captured = (ChessSquare) (DEMOTED captured);
10178 p = PieceToNumber((ChessSquare)p);
10179 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10180 board[p][BOARD_WIDTH-2]++;
10181 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10183 p -= (int)WhitePawn;
10184 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10185 captured = (ChessSquare) (DEMOTED captured);
10188 p = PieceToNumber((ChessSquare)p);
10189 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10190 board[BOARD_HEIGHT-1-p][1]++;
10191 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10194 } else if (gameInfo.variant == VariantAtomic) {
10195 if (captured != EmptySquare) {
10197 for (y = toY-1; y <= toY+1; y++) {
10198 for (x = toX-1; x <= toX+1; x++) {
10199 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10200 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10201 board[y][x] = EmptySquare;
10205 board[toY][toX] = EmptySquare;
10209 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10210 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10212 if(promoChar == '+') {
10213 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10214 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10215 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10216 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10217 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10218 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10219 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10220 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10221 board[toY][toX] = newPiece;
10223 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10224 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10225 // [HGM] superchess: take promotion piece out of holdings
10226 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10227 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10228 if(!--board[k][BOARD_WIDTH-2])
10229 board[k][BOARD_WIDTH-1] = EmptySquare;
10231 if(!--board[BOARD_HEIGHT-1-k][1])
10232 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10237 /* Updates forwardMostMove */
10239 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10241 int x = toX, y = toY;
10242 char *s = parseList[forwardMostMove];
10243 ChessSquare p = boards[forwardMostMove][toY][toX];
10244 // forwardMostMove++; // [HGM] bare: moved downstream
10246 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10247 (void) CoordsToAlgebraic(boards[forwardMostMove],
10248 PosFlags(forwardMostMove),
10249 fromY, fromX, y, x, promoChar,
10251 if(killX >= 0 && killY >= 0)
10252 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10254 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10255 int timeLeft; static int lastLoadFlag=0; int king, piece;
10256 piece = boards[forwardMostMove][fromY][fromX];
10257 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10258 if(gameInfo.variant == VariantKnightmate)
10259 king += (int) WhiteUnicorn - (int) WhiteKing;
10260 if(forwardMostMove == 0) {
10261 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10262 fprintf(serverMoves, "%s;", UserName());
10263 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10264 fprintf(serverMoves, "%s;", second.tidy);
10265 fprintf(serverMoves, "%s;", first.tidy);
10266 if(gameMode == MachinePlaysWhite)
10267 fprintf(serverMoves, "%s;", UserName());
10268 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10269 fprintf(serverMoves, "%s;", second.tidy);
10270 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10271 lastLoadFlag = loadFlag;
10273 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10274 // print castling suffix
10275 if( toY == fromY && piece == king ) {
10277 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10279 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10282 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10283 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10284 boards[forwardMostMove][toY][toX] == EmptySquare
10285 && fromX != toX && fromY != toY)
10286 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10287 // promotion suffix
10288 if(promoChar != NULLCHAR) {
10289 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10290 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10291 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10292 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10295 char buf[MOVE_LEN*2], *p; int len;
10296 fprintf(serverMoves, "/%d/%d",
10297 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10298 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10299 else timeLeft = blackTimeRemaining/1000;
10300 fprintf(serverMoves, "/%d", timeLeft);
10301 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10302 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10303 if(p = strchr(buf, '=')) *p = NULLCHAR;
10304 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10305 fprintf(serverMoves, "/%s", buf);
10307 fflush(serverMoves);
10310 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10311 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10314 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10315 if (commentList[forwardMostMove+1] != NULL) {
10316 free(commentList[forwardMostMove+1]);
10317 commentList[forwardMostMove+1] = NULL;
10319 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10320 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10321 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10322 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10323 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10324 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10325 adjustedClock = FALSE;
10326 gameInfo.result = GameUnfinished;
10327 if (gameInfo.resultDetails != NULL) {
10328 free(gameInfo.resultDetails);
10329 gameInfo.resultDetails = NULL;
10331 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10332 moveList[forwardMostMove - 1]);
10333 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10339 if(!IS_SHOGI(gameInfo.variant))
10340 strcat(parseList[forwardMostMove - 1], "+");
10344 strcat(parseList[forwardMostMove - 1], "#");
10349 /* Updates currentMove if not pausing */
10351 ShowMove (int fromX, int fromY, int toX, int toY)
10353 int instant = (gameMode == PlayFromGameFile) ?
10354 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10355 if(appData.noGUI) return;
10356 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10358 if (forwardMostMove == currentMove + 1) {
10359 AnimateMove(boards[forwardMostMove - 1],
10360 fromX, fromY, toX, toY);
10363 currentMove = forwardMostMove;
10366 killX = killY = -1; // [HGM] lion: used up
10368 if (instant) return;
10370 DisplayMove(currentMove - 1);
10371 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10372 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10373 SetHighlights(fromX, fromY, toX, toY);
10376 DrawPosition(FALSE, boards[currentMove]);
10377 DisplayBothClocks();
10378 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10382 SendEgtPath (ChessProgramState *cps)
10383 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10384 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10386 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10389 char c, *q = name+1, *r, *s;
10391 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10392 while(*p && *p != ',') *q++ = *p++;
10393 *q++ = ':'; *q = 0;
10394 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10395 strcmp(name, ",nalimov:") == 0 ) {
10396 // take nalimov path from the menu-changeable option first, if it is defined
10397 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10398 SendToProgram(buf,cps); // send egtbpath command for nalimov
10400 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10401 (s = StrStr(appData.egtFormats, name)) != NULL) {
10402 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10403 s = r = StrStr(s, ":") + 1; // beginning of path info
10404 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10405 c = *r; *r = 0; // temporarily null-terminate path info
10406 *--q = 0; // strip of trailig ':' from name
10407 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10409 SendToProgram(buf,cps); // send egtbpath command for this format
10411 if(*p == ',') p++; // read away comma to position for next format name
10416 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10418 int width = 8, height = 8, holdings = 0; // most common sizes
10419 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10420 // correct the deviations default for each variant
10421 if( v == VariantXiangqi ) width = 9, height = 10;
10422 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10423 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10424 if( v == VariantCapablanca || v == VariantCapaRandom ||
10425 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10427 if( v == VariantCourier ) width = 12;
10428 if( v == VariantSuper ) holdings = 8;
10429 if( v == VariantGreat ) width = 10, holdings = 8;
10430 if( v == VariantSChess ) holdings = 7;
10431 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10432 if( v == VariantChuChess) width = 10, height = 10;
10433 if( v == VariantChu ) width = 12, height = 12;
10434 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10435 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10436 holdingsSize >= 0 && holdingsSize != holdings;
10439 char variantError[MSG_SIZ];
10442 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10443 { // returns error message (recognizable by upper-case) if engine does not support the variant
10444 char *p, *variant = VariantName(v);
10445 static char b[MSG_SIZ];
10446 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10447 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10448 holdingsSize, variant); // cook up sized variant name
10449 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10450 if(StrStr(list, b) == NULL) {
10451 // specific sized variant not known, check if general sizing allowed
10452 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10453 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10454 boardWidth, boardHeight, holdingsSize, engine);
10457 /* [HGM] here we really should compare with the maximum supported board size */
10459 } else snprintf(b, MSG_SIZ,"%s", variant);
10460 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10461 p = StrStr(list, b);
10462 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10464 // occurs not at all in list, or only as sub-string
10465 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10466 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10467 int l = strlen(variantError);
10469 while(p != list && p[-1] != ',') p--;
10470 q = strchr(p, ',');
10471 if(q) *q = NULLCHAR;
10472 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10481 InitChessProgram (ChessProgramState *cps, int setup)
10482 /* setup needed to setup FRC opening position */
10484 char buf[MSG_SIZ], *b;
10485 if (appData.noChessProgram) return;
10486 hintRequested = FALSE;
10487 bookRequested = FALSE;
10489 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10490 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10491 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10492 if(cps->memSize) { /* [HGM] memory */
10493 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10494 SendToProgram(buf, cps);
10496 SendEgtPath(cps); /* [HGM] EGT */
10497 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10498 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10499 SendToProgram(buf, cps);
10502 setboardSpoiledMachineBlack = FALSE;
10503 SendToProgram(cps->initString, cps);
10504 if (gameInfo.variant != VariantNormal &&
10505 gameInfo.variant != VariantLoadable
10506 /* [HGM] also send variant if board size non-standard */
10507 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10509 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10510 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10513 char c, *q = cps->variants, *p = strchr(q, ',');
10514 if(p) *p = NULLCHAR;
10515 v = StringToVariant(q);
10516 DisplayError(variantError, 0);
10517 if(v != VariantUnknown && cps == &first) {
10519 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10520 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10521 ASSIGN(appData.variant, q);
10522 Reset(TRUE, FALSE);
10528 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10529 SendToProgram(buf, cps);
10531 currentlyInitializedVariant = gameInfo.variant;
10533 /* [HGM] send opening position in FRC to first engine */
10535 SendToProgram("force\n", cps);
10537 /* engine is now in force mode! Set flag to wake it up after first move. */
10538 setboardSpoiledMachineBlack = 1;
10541 if (cps->sendICS) {
10542 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10543 SendToProgram(buf, cps);
10545 cps->maybeThinking = FALSE;
10546 cps->offeredDraw = 0;
10547 if (!appData.icsActive) {
10548 SendTimeControl(cps, movesPerSession, timeControl,
10549 timeIncrement, appData.searchDepth,
10552 if (appData.showThinking
10553 // [HGM] thinking: four options require thinking output to be sent
10554 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10556 SendToProgram("post\n", cps);
10558 SendToProgram("hard\n", cps);
10559 if (!appData.ponderNextMove) {
10560 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10561 it without being sure what state we are in first. "hard"
10562 is not a toggle, so that one is OK.
10564 SendToProgram("easy\n", cps);
10566 if (cps->usePing) {
10567 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10568 SendToProgram(buf, cps);
10570 cps->initDone = TRUE;
10571 ClearEngineOutputPane(cps == &second);
10576 ResendOptions (ChessProgramState *cps)
10577 { // send the stored value of the options
10580 Option *opt = cps->option;
10581 for(i=0; i<cps->nrOptions; i++, opt++) {
10582 switch(opt->type) {
10586 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10589 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10592 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10598 SendToProgram(buf, cps);
10603 StartChessProgram (ChessProgramState *cps)
10608 if (appData.noChessProgram) return;
10609 cps->initDone = FALSE;
10611 if (strcmp(cps->host, "localhost") == 0) {
10612 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10613 } else if (*appData.remoteShell == NULLCHAR) {
10614 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10616 if (*appData.remoteUser == NULLCHAR) {
10617 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10620 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10621 cps->host, appData.remoteUser, cps->program);
10623 err = StartChildProcess(buf, "", &cps->pr);
10627 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10628 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10629 if(cps != &first) return;
10630 appData.noChessProgram = TRUE;
10633 // DisplayFatalError(buf, err, 1);
10634 // cps->pr = NoProc;
10635 // cps->isr = NULL;
10639 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10640 if (cps->protocolVersion > 1) {
10641 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10642 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10643 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10644 cps->comboCnt = 0; // and values of combo boxes
10646 SendToProgram(buf, cps);
10647 if(cps->reload) ResendOptions(cps);
10649 SendToProgram("xboard\n", cps);
10654 TwoMachinesEventIfReady P((void))
10656 static int curMess = 0;
10657 if (first.lastPing != first.lastPong) {
10658 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10659 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10662 if (second.lastPing != second.lastPong) {
10663 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10664 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10667 DisplayMessage("", ""); curMess = 0;
10668 TwoMachinesEvent();
10672 MakeName (char *template)
10676 static char buf[MSG_SIZ];
10680 clock = time((time_t *)NULL);
10681 tm = localtime(&clock);
10683 while(*p++ = *template++) if(p[-1] == '%') {
10684 switch(*template++) {
10685 case 0: *p = 0; return buf;
10686 case 'Y': i = tm->tm_year+1900; break;
10687 case 'y': i = tm->tm_year-100; break;
10688 case 'M': i = tm->tm_mon+1; break;
10689 case 'd': i = tm->tm_mday; break;
10690 case 'h': i = tm->tm_hour; break;
10691 case 'm': i = tm->tm_min; break;
10692 case 's': i = tm->tm_sec; break;
10695 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10701 CountPlayers (char *p)
10704 while(p = strchr(p, '\n')) p++, n++; // count participants
10709 WriteTourneyFile (char *results, FILE *f)
10710 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10711 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10712 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10713 // create a file with tournament description
10714 fprintf(f, "-participants {%s}\n", appData.participants);
10715 fprintf(f, "-seedBase %d\n", appData.seedBase);
10716 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10717 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10718 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10719 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10720 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10721 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10722 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10723 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10724 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10725 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10726 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10727 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10728 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10729 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10730 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10731 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10732 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10733 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10734 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10735 fprintf(f, "-smpCores %d\n", appData.smpCores);
10737 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10739 fprintf(f, "-mps %d\n", appData.movesPerSession);
10740 fprintf(f, "-tc %s\n", appData.timeControl);
10741 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10743 fprintf(f, "-results \"%s\"\n", results);
10748 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10751 Substitute (char *participants, int expunge)
10753 int i, changed, changes=0, nPlayers=0;
10754 char *p, *q, *r, buf[MSG_SIZ];
10755 if(participants == NULL) return;
10756 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10757 r = p = participants; q = appData.participants;
10758 while(*p && *p == *q) {
10759 if(*p == '\n') r = p+1, nPlayers++;
10762 if(*p) { // difference
10763 while(*p && *p++ != '\n');
10764 while(*q && *q++ != '\n');
10765 changed = nPlayers;
10766 changes = 1 + (strcmp(p, q) != 0);
10768 if(changes == 1) { // a single engine mnemonic was changed
10769 q = r; while(*q) nPlayers += (*q++ == '\n');
10770 p = buf; while(*r && (*p = *r++) != '\n') p++;
10772 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10773 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10774 if(mnemonic[i]) { // The substitute is valid
10776 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10777 flock(fileno(f), LOCK_EX);
10778 ParseArgsFromFile(f);
10779 fseek(f, 0, SEEK_SET);
10780 FREE(appData.participants); appData.participants = participants;
10781 if(expunge) { // erase results of replaced engine
10782 int len = strlen(appData.results), w, b, dummy;
10783 for(i=0; i<len; i++) {
10784 Pairing(i, nPlayers, &w, &b, &dummy);
10785 if((w == changed || b == changed) && appData.results[i] == '*') {
10786 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10791 for(i=0; i<len; i++) {
10792 Pairing(i, nPlayers, &w, &b, &dummy);
10793 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10796 WriteTourneyFile(appData.results, f);
10797 fclose(f); // release lock
10800 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10802 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10803 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10804 free(participants);
10809 CheckPlayers (char *participants)
10812 char buf[MSG_SIZ], *p;
10813 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10814 while(p = strchr(participants, '\n')) {
10816 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10818 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10820 DisplayError(buf, 0);
10824 participants = p + 1;
10830 CreateTourney (char *name)
10833 if(matchMode && strcmp(name, appData.tourneyFile)) {
10834 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10836 if(name[0] == NULLCHAR) {
10837 if(appData.participants[0])
10838 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10841 f = fopen(name, "r");
10842 if(f) { // file exists
10843 ASSIGN(appData.tourneyFile, name);
10844 ParseArgsFromFile(f); // parse it
10846 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10847 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10848 DisplayError(_("Not enough participants"), 0);
10851 if(CheckPlayers(appData.participants)) return 0;
10852 ASSIGN(appData.tourneyFile, name);
10853 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10854 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10857 appData.noChessProgram = FALSE;
10858 appData.clockMode = TRUE;
10864 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10866 char buf[MSG_SIZ], *p, *q;
10867 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10868 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10869 skip = !all && group[0]; // if group requested, we start in skip mode
10870 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10871 p = names; q = buf; header = 0;
10872 while(*p && *p != '\n') *q++ = *p++;
10874 if(*p == '\n') p++;
10875 if(buf[0] == '#') {
10876 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10877 depth++; // we must be entering a new group
10878 if(all) continue; // suppress printing group headers when complete list requested
10880 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10882 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10883 if(engineList[i]) free(engineList[i]);
10884 engineList[i] = strdup(buf);
10885 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10886 if(engineMnemonic[i]) free(engineMnemonic[i]);
10887 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10889 sscanf(q + 8, "%s", buf + strlen(buf));
10892 engineMnemonic[i] = strdup(buf);
10895 engineList[i] = engineMnemonic[i] = NULL;
10899 // following implemented as macro to avoid type limitations
10900 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10903 SwapEngines (int n)
10904 { // swap settings for first engine and other engine (so far only some selected options)
10909 SWAP(chessProgram, p)
10911 SWAP(hasOwnBookUCI, h)
10912 SWAP(protocolVersion, h)
10914 SWAP(scoreIsAbsolute, h)
10919 SWAP(engOptions, p)
10920 SWAP(engInitString, p)
10921 SWAP(computerString, p)
10923 SWAP(fenOverride, p)
10925 SWAP(accumulateTC, h)
10932 GetEngineLine (char *s, int n)
10936 extern char *icsNames;
10937 if(!s || !*s) return 0;
10938 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10939 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10940 if(!mnemonic[i]) return 0;
10941 if(n == 11) return 1; // just testing if there was a match
10942 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10943 if(n == 1) SwapEngines(n);
10944 ParseArgsFromString(buf);
10945 if(n == 1) SwapEngines(n);
10946 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10947 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10948 ParseArgsFromString(buf);
10954 SetPlayer (int player, char *p)
10955 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10957 char buf[MSG_SIZ], *engineName;
10958 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10959 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10960 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10962 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10963 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10964 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10965 ParseArgsFromString(buf);
10966 } else { // no engine with this nickname is installed!
10967 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10968 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10969 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10971 DisplayError(buf, 0);
10978 char *recentEngines;
10981 RecentEngineEvent (int nr)
10984 // SwapEngines(1); // bump first to second
10985 // ReplaceEngine(&second, 1); // and load it there
10986 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10987 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10988 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10989 ReplaceEngine(&first, 0);
10990 FloatToFront(&appData.recentEngineList, command[n]);
10995 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10996 { // determine players from game number
10997 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10999 if(appData.tourneyType == 0) {
11000 roundsPerCycle = (nPlayers - 1) | 1;
11001 pairingsPerRound = nPlayers / 2;
11002 } else if(appData.tourneyType > 0) {
11003 roundsPerCycle = nPlayers - appData.tourneyType;
11004 pairingsPerRound = appData.tourneyType;
11006 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11007 gamesPerCycle = gamesPerRound * roundsPerCycle;
11008 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11009 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11010 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11011 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11012 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11013 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11015 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11016 if(appData.roundSync) *syncInterval = gamesPerRound;
11018 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11020 if(appData.tourneyType == 0) {
11021 if(curPairing == (nPlayers-1)/2 ) {
11022 *whitePlayer = curRound;
11023 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11025 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11026 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11027 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11028 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11030 } else if(appData.tourneyType > 1) {
11031 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11032 *whitePlayer = curRound + appData.tourneyType;
11033 } else if(appData.tourneyType > 0) {
11034 *whitePlayer = curPairing;
11035 *blackPlayer = curRound + appData.tourneyType;
11038 // take care of white/black alternation per round.
11039 // For cycles and games this is already taken care of by default, derived from matchGame!
11040 return curRound & 1;
11044 NextTourneyGame (int nr, int *swapColors)
11045 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11047 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11049 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11050 tf = fopen(appData.tourneyFile, "r");
11051 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11052 ParseArgsFromFile(tf); fclose(tf);
11053 InitTimeControls(); // TC might be altered from tourney file
11055 nPlayers = CountPlayers(appData.participants); // count participants
11056 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11057 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11060 p = q = appData.results;
11061 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11062 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11063 DisplayMessage(_("Waiting for other game(s)"),"");
11064 waitingForGame = TRUE;
11065 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11068 waitingForGame = FALSE;
11071 if(appData.tourneyType < 0) {
11072 if(nr>=0 && !pairingReceived) {
11074 if(pairing.pr == NoProc) {
11075 if(!appData.pairingEngine[0]) {
11076 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11079 StartChessProgram(&pairing); // starts the pairing engine
11081 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11082 SendToProgram(buf, &pairing);
11083 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11084 SendToProgram(buf, &pairing);
11085 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11087 pairingReceived = 0; // ... so we continue here
11089 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11090 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11091 matchGame = 1; roundNr = nr / syncInterval + 1;
11094 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11096 // redefine engines, engine dir, etc.
11097 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11098 if(first.pr == NoProc) {
11099 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11100 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11102 if(second.pr == NoProc) {
11104 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11105 SwapEngines(1); // and make that valid for second engine by swapping
11106 InitEngine(&second, 1);
11108 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11109 UpdateLogos(FALSE); // leave display to ModeHiglight()
11115 { // performs game initialization that does not invoke engines, and then tries to start the game
11116 int res, firstWhite, swapColors = 0;
11117 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11118 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
11120 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11121 if(strcmp(buf, currentDebugFile)) { // name has changed
11122 FILE *f = fopen(buf, "w");
11123 if(f) { // if opening the new file failed, just keep using the old one
11124 ASSIGN(currentDebugFile, buf);
11128 if(appData.serverFileName) {
11129 if(serverFP) fclose(serverFP);
11130 serverFP = fopen(appData.serverFileName, "w");
11131 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11132 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11136 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11137 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11138 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11139 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11140 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11141 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11142 Reset(FALSE, first.pr != NoProc);
11143 res = LoadGameOrPosition(matchGame); // setup game
11144 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11145 if(!res) return; // abort when bad game/pos file
11146 TwoMachinesEvent();
11150 UserAdjudicationEvent (int result)
11152 ChessMove gameResult = GameIsDrawn;
11155 gameResult = WhiteWins;
11157 else if( result < 0 ) {
11158 gameResult = BlackWins;
11161 if( gameMode == TwoMachinesPlay ) {
11162 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11167 // [HGM] save: calculate checksum of game to make games easily identifiable
11169 StringCheckSum (char *s)
11172 if(s==NULL) return 0;
11173 while(*s) i = i*259 + *s++;
11181 for(i=backwardMostMove; i<forwardMostMove; i++) {
11182 sum += pvInfoList[i].depth;
11183 sum += StringCheckSum(parseList[i]);
11184 sum += StringCheckSum(commentList[i]);
11187 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11188 return sum + StringCheckSum(commentList[i]);
11189 } // end of save patch
11192 GameEnds (ChessMove result, char *resultDetails, int whosays)
11194 GameMode nextGameMode;
11196 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11198 if(endingGame) return; /* [HGM] crash: forbid recursion */
11200 if(twoBoards) { // [HGM] dual: switch back to one board
11201 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11202 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11204 if (appData.debugMode) {
11205 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11206 result, resultDetails ? resultDetails : "(null)", whosays);
11209 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11211 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11213 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11214 /* If we are playing on ICS, the server decides when the
11215 game is over, but the engine can offer to draw, claim
11219 if (appData.zippyPlay && first.initDone) {
11220 if (result == GameIsDrawn) {
11221 /* In case draw still needs to be claimed */
11222 SendToICS(ics_prefix);
11223 SendToICS("draw\n");
11224 } else if (StrCaseStr(resultDetails, "resign")) {
11225 SendToICS(ics_prefix);
11226 SendToICS("resign\n");
11230 endingGame = 0; /* [HGM] crash */
11234 /* If we're loading the game from a file, stop */
11235 if (whosays == GE_FILE) {
11236 (void) StopLoadGameTimer();
11240 /* Cancel draw offers */
11241 first.offeredDraw = second.offeredDraw = 0;
11243 /* If this is an ICS game, only ICS can really say it's done;
11244 if not, anyone can. */
11245 isIcsGame = (gameMode == IcsPlayingWhite ||
11246 gameMode == IcsPlayingBlack ||
11247 gameMode == IcsObserving ||
11248 gameMode == IcsExamining);
11250 if (!isIcsGame || whosays == GE_ICS) {
11251 /* OK -- not an ICS game, or ICS said it was done */
11253 if (!isIcsGame && !appData.noChessProgram)
11254 SetUserThinkingEnables();
11256 /* [HGM] if a machine claims the game end we verify this claim */
11257 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11258 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11260 ChessMove trueResult = (ChessMove) -1;
11262 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11263 first.twoMachinesColor[0] :
11264 second.twoMachinesColor[0] ;
11266 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11267 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11268 /* [HGM] verify: engine mate claims accepted if they were flagged */
11269 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11271 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11272 /* [HGM] verify: engine mate claims accepted if they were flagged */
11273 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11275 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11276 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11279 // now verify win claims, but not in drop games, as we don't understand those yet
11280 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11281 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11282 (result == WhiteWins && claimer == 'w' ||
11283 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11284 if (appData.debugMode) {
11285 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11286 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11288 if(result != trueResult) {
11289 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11290 result = claimer == 'w' ? BlackWins : WhiteWins;
11291 resultDetails = buf;
11294 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11295 && (forwardMostMove <= backwardMostMove ||
11296 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11297 (claimer=='b')==(forwardMostMove&1))
11299 /* [HGM] verify: draws that were not flagged are false claims */
11300 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11301 result = claimer == 'w' ? BlackWins : WhiteWins;
11302 resultDetails = buf;
11304 /* (Claiming a loss is accepted no questions asked!) */
11305 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11306 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11307 result = GameUnfinished;
11308 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11310 /* [HGM] bare: don't allow bare King to win */
11311 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11312 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11313 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11314 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11315 && result != GameIsDrawn)
11316 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11317 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11318 int p = (signed char)boards[forwardMostMove][i][j] - color;
11319 if(p >= 0 && p <= (int)WhiteKing) k++;
11321 if (appData.debugMode) {
11322 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11323 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11326 result = GameIsDrawn;
11327 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11328 resultDetails = buf;
11334 if(serverMoves != NULL && !loadFlag) { char c = '=';
11335 if(result==WhiteWins) c = '+';
11336 if(result==BlackWins) c = '-';
11337 if(resultDetails != NULL)
11338 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11340 if (resultDetails != NULL) {
11341 gameInfo.result = result;
11342 gameInfo.resultDetails = StrSave(resultDetails);
11344 /* display last move only if game was not loaded from file */
11345 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11346 DisplayMove(currentMove - 1);
11348 if (forwardMostMove != 0) {
11349 if (gameMode != PlayFromGameFile && gameMode != EditGame
11350 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11352 if (*appData.saveGameFile != NULLCHAR) {
11353 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11354 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11356 SaveGameToFile(appData.saveGameFile, TRUE);
11357 } else if (appData.autoSaveGames) {
11358 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11360 if (*appData.savePositionFile != NULLCHAR) {
11361 SavePositionToFile(appData.savePositionFile);
11363 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11367 /* Tell program how game ended in case it is learning */
11368 /* [HGM] Moved this to after saving the PGN, just in case */
11369 /* engine died and we got here through time loss. In that */
11370 /* case we will get a fatal error writing the pipe, which */
11371 /* would otherwise lose us the PGN. */
11372 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11373 /* output during GameEnds should never be fatal anymore */
11374 if (gameMode == MachinePlaysWhite ||
11375 gameMode == MachinePlaysBlack ||
11376 gameMode == TwoMachinesPlay ||
11377 gameMode == IcsPlayingWhite ||
11378 gameMode == IcsPlayingBlack ||
11379 gameMode == BeginningOfGame) {
11381 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11383 if (first.pr != NoProc) {
11384 SendToProgram(buf, &first);
11386 if (second.pr != NoProc &&
11387 gameMode == TwoMachinesPlay) {
11388 SendToProgram(buf, &second);
11393 if (appData.icsActive) {
11394 if (appData.quietPlay &&
11395 (gameMode == IcsPlayingWhite ||
11396 gameMode == IcsPlayingBlack)) {
11397 SendToICS(ics_prefix);
11398 SendToICS("set shout 1\n");
11400 nextGameMode = IcsIdle;
11401 ics_user_moved = FALSE;
11402 /* clean up premove. It's ugly when the game has ended and the
11403 * premove highlights are still on the board.
11406 gotPremove = FALSE;
11407 ClearPremoveHighlights();
11408 DrawPosition(FALSE, boards[currentMove]);
11410 if (whosays == GE_ICS) {
11413 if (gameMode == IcsPlayingWhite)
11415 else if(gameMode == IcsPlayingBlack)
11416 PlayIcsLossSound();
11419 if (gameMode == IcsPlayingBlack)
11421 else if(gameMode == IcsPlayingWhite)
11422 PlayIcsLossSound();
11425 PlayIcsDrawSound();
11428 PlayIcsUnfinishedSound();
11431 if(appData.quitNext) { ExitEvent(0); return; }
11432 } else if (gameMode == EditGame ||
11433 gameMode == PlayFromGameFile ||
11434 gameMode == AnalyzeMode ||
11435 gameMode == AnalyzeFile) {
11436 nextGameMode = gameMode;
11438 nextGameMode = EndOfGame;
11443 nextGameMode = gameMode;
11446 if (appData.noChessProgram) {
11447 gameMode = nextGameMode;
11449 endingGame = 0; /* [HGM] crash */
11454 /* Put first chess program into idle state */
11455 if (first.pr != NoProc &&
11456 (gameMode == MachinePlaysWhite ||
11457 gameMode == MachinePlaysBlack ||
11458 gameMode == TwoMachinesPlay ||
11459 gameMode == IcsPlayingWhite ||
11460 gameMode == IcsPlayingBlack ||
11461 gameMode == BeginningOfGame)) {
11462 SendToProgram("force\n", &first);
11463 if (first.usePing) {
11465 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11466 SendToProgram(buf, &first);
11469 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11470 /* Kill off first chess program */
11471 if (first.isr != NULL)
11472 RemoveInputSource(first.isr);
11475 if (first.pr != NoProc) {
11477 DoSleep( appData.delayBeforeQuit );
11478 SendToProgram("quit\n", &first);
11479 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11480 first.reload = TRUE;
11484 if (second.reuse) {
11485 /* Put second chess program into idle state */
11486 if (second.pr != NoProc &&
11487 gameMode == TwoMachinesPlay) {
11488 SendToProgram("force\n", &second);
11489 if (second.usePing) {
11491 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11492 SendToProgram(buf, &second);
11495 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11496 /* Kill off second chess program */
11497 if (second.isr != NULL)
11498 RemoveInputSource(second.isr);
11501 if (second.pr != NoProc) {
11502 DoSleep( appData.delayBeforeQuit );
11503 SendToProgram("quit\n", &second);
11504 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11505 second.reload = TRUE;
11507 second.pr = NoProc;
11510 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11511 char resChar = '=';
11515 if (first.twoMachinesColor[0] == 'w') {
11518 second.matchWins++;
11523 if (first.twoMachinesColor[0] == 'b') {
11526 second.matchWins++;
11529 case GameUnfinished:
11535 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11536 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11537 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11538 ReserveGame(nextGame, resChar); // sets nextGame
11539 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11540 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11541 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11543 if (nextGame <= appData.matchGames && !abortMatch) {
11544 gameMode = nextGameMode;
11545 matchGame = nextGame; // this will be overruled in tourney mode!
11546 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11547 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11548 endingGame = 0; /* [HGM] crash */
11551 gameMode = nextGameMode;
11552 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11553 first.tidy, second.tidy,
11554 first.matchWins, second.matchWins,
11555 appData.matchGames - (first.matchWins + second.matchWins));
11556 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11557 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11558 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11559 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11560 first.twoMachinesColor = "black\n";
11561 second.twoMachinesColor = "white\n";
11563 first.twoMachinesColor = "white\n";
11564 second.twoMachinesColor = "black\n";
11568 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11569 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11571 gameMode = nextGameMode;
11573 endingGame = 0; /* [HGM] crash */
11574 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11575 if(matchMode == TRUE) { // match through command line: exit with or without popup
11577 ToNrEvent(forwardMostMove);
11578 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11580 } else DisplayFatalError(buf, 0, 0);
11581 } else { // match through menu; just stop, with or without popup
11582 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11585 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11586 } else DisplayNote(buf);
11588 if(ranking) free(ranking);
11592 /* Assumes program was just initialized (initString sent).
11593 Leaves program in force mode. */
11595 FeedMovesToProgram (ChessProgramState *cps, int upto)
11599 if (appData.debugMode)
11600 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11601 startedFromSetupPosition ? "position and " : "",
11602 backwardMostMove, upto, cps->which);
11603 if(currentlyInitializedVariant != gameInfo.variant) {
11605 // [HGM] variantswitch: make engine aware of new variant
11606 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11607 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11608 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11609 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11610 SendToProgram(buf, cps);
11611 currentlyInitializedVariant = gameInfo.variant;
11613 SendToProgram("force\n", cps);
11614 if (startedFromSetupPosition) {
11615 SendBoard(cps, backwardMostMove);
11616 if (appData.debugMode) {
11617 fprintf(debugFP, "feedMoves\n");
11620 for (i = backwardMostMove; i < upto; i++) {
11621 SendMoveToProgram(i, cps);
11627 ResurrectChessProgram ()
11629 /* The chess program may have exited.
11630 If so, restart it and feed it all the moves made so far. */
11631 static int doInit = 0;
11633 if (appData.noChessProgram) return 1;
11635 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11636 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11637 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11638 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11640 if (first.pr != NoProc) return 1;
11641 StartChessProgram(&first);
11643 InitChessProgram(&first, FALSE);
11644 FeedMovesToProgram(&first, currentMove);
11646 if (!first.sendTime) {
11647 /* can't tell gnuchess what its clock should read,
11648 so we bow to its notion. */
11650 timeRemaining[0][currentMove] = whiteTimeRemaining;
11651 timeRemaining[1][currentMove] = blackTimeRemaining;
11654 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11655 appData.icsEngineAnalyze) && first.analysisSupport) {
11656 SendToProgram("analyze\n", &first);
11657 first.analyzing = TRUE;
11663 * Button procedures
11666 Reset (int redraw, int init)
11670 if (appData.debugMode) {
11671 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11672 redraw, init, gameMode);
11674 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11675 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11676 CleanupTail(); // [HGM] vari: delete any stored variations
11677 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11678 pausing = pauseExamInvalid = FALSE;
11679 startedFromSetupPosition = blackPlaysFirst = FALSE;
11681 whiteFlag = blackFlag = FALSE;
11682 userOfferedDraw = FALSE;
11683 hintRequested = bookRequested = FALSE;
11684 first.maybeThinking = FALSE;
11685 second.maybeThinking = FALSE;
11686 first.bookSuspend = FALSE; // [HGM] book
11687 second.bookSuspend = FALSE;
11688 thinkOutput[0] = NULLCHAR;
11689 lastHint[0] = NULLCHAR;
11690 ClearGameInfo(&gameInfo);
11691 gameInfo.variant = StringToVariant(appData.variant);
11692 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11693 ics_user_moved = ics_clock_paused = FALSE;
11694 ics_getting_history = H_FALSE;
11696 white_holding[0] = black_holding[0] = NULLCHAR;
11697 ClearProgramStats();
11698 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11702 flipView = appData.flipView;
11703 ClearPremoveHighlights();
11704 gotPremove = FALSE;
11705 alarmSounded = FALSE;
11706 killX = killY = -1; // [HGM] lion
11708 GameEnds(EndOfFile, NULL, GE_PLAYER);
11709 if(appData.serverMovesName != NULL) {
11710 /* [HGM] prepare to make moves file for broadcasting */
11711 clock_t t = clock();
11712 if(serverMoves != NULL) fclose(serverMoves);
11713 serverMoves = fopen(appData.serverMovesName, "r");
11714 if(serverMoves != NULL) {
11715 fclose(serverMoves);
11716 /* delay 15 sec before overwriting, so all clients can see end */
11717 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11719 serverMoves = fopen(appData.serverMovesName, "w");
11723 gameMode = BeginningOfGame;
11725 if(appData.icsActive) gameInfo.variant = VariantNormal;
11726 currentMove = forwardMostMove = backwardMostMove = 0;
11727 MarkTargetSquares(1);
11728 InitPosition(redraw);
11729 for (i = 0; i < MAX_MOVES; i++) {
11730 if (commentList[i] != NULL) {
11731 free(commentList[i]);
11732 commentList[i] = NULL;
11736 timeRemaining[0][0] = whiteTimeRemaining;
11737 timeRemaining[1][0] = blackTimeRemaining;
11739 if (first.pr == NoProc) {
11740 StartChessProgram(&first);
11743 InitChessProgram(&first, startedFromSetupPosition);
11746 DisplayMessage("", "");
11747 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11748 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11749 ClearMap(); // [HGM] exclude: invalidate map
11753 AutoPlayGameLoop ()
11756 if (!AutoPlayOneMove())
11758 if (matchMode || appData.timeDelay == 0)
11760 if (appData.timeDelay < 0)
11762 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11770 ReloadGame(1); // next game
11776 int fromX, fromY, toX, toY;
11778 if (appData.debugMode) {
11779 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11782 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11785 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11786 pvInfoList[currentMove].depth = programStats.depth;
11787 pvInfoList[currentMove].score = programStats.score;
11788 pvInfoList[currentMove].time = 0;
11789 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11790 else { // append analysis of final position as comment
11792 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11793 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11795 programStats.depth = 0;
11798 if (currentMove >= forwardMostMove) {
11799 if(gameMode == AnalyzeFile) {
11800 if(appData.loadGameIndex == -1) {
11801 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11802 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11804 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11807 // gameMode = EndOfGame;
11808 // ModeHighlight();
11810 /* [AS] Clear current move marker at the end of a game */
11811 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11816 toX = moveList[currentMove][2] - AAA;
11817 toY = moveList[currentMove][3] - ONE;
11819 if (moveList[currentMove][1] == '@') {
11820 if (appData.highlightLastMove) {
11821 SetHighlights(-1, -1, toX, toY);
11824 int viaX = moveList[currentMove][5] - AAA;
11825 int viaY = moveList[currentMove][6] - ONE;
11826 fromX = moveList[currentMove][0] - AAA;
11827 fromY = moveList[currentMove][1] - ONE;
11829 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11831 if(moveList[currentMove][4] == ';') { // multi-leg
11832 ChessSquare piece = boards[currentMove][viaY][viaX];
11833 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
11834 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
11835 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
11836 boards[currentMove][viaY][viaX] = piece;
11838 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11840 if (appData.highlightLastMove) {
11841 SetHighlights(fromX, fromY, toX, toY);
11844 DisplayMove(currentMove);
11845 SendMoveToProgram(currentMove++, &first);
11846 DisplayBothClocks();
11847 DrawPosition(FALSE, boards[currentMove]);
11848 // [HGM] PV info: always display, routine tests if empty
11849 DisplayComment(currentMove - 1, commentList[currentMove]);
11855 LoadGameOneMove (ChessMove readAhead)
11857 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11858 char promoChar = NULLCHAR;
11859 ChessMove moveType;
11860 char move[MSG_SIZ];
11863 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11864 gameMode != AnalyzeMode && gameMode != Training) {
11869 yyboardindex = forwardMostMove;
11870 if (readAhead != EndOfFile) {
11871 moveType = readAhead;
11873 if (gameFileFP == NULL)
11875 moveType = (ChessMove) Myylex();
11879 switch (moveType) {
11881 if (appData.debugMode)
11882 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11885 /* append the comment but don't display it */
11886 AppendComment(currentMove, p, FALSE);
11889 case WhiteCapturesEnPassant:
11890 case BlackCapturesEnPassant:
11891 case WhitePromotion:
11892 case BlackPromotion:
11893 case WhiteNonPromotion:
11894 case BlackNonPromotion:
11897 case WhiteKingSideCastle:
11898 case WhiteQueenSideCastle:
11899 case BlackKingSideCastle:
11900 case BlackQueenSideCastle:
11901 case WhiteKingSideCastleWild:
11902 case WhiteQueenSideCastleWild:
11903 case BlackKingSideCastleWild:
11904 case BlackQueenSideCastleWild:
11906 case WhiteHSideCastleFR:
11907 case WhiteASideCastleFR:
11908 case BlackHSideCastleFR:
11909 case BlackASideCastleFR:
11911 if (appData.debugMode)
11912 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11913 fromX = currentMoveString[0] - AAA;
11914 fromY = currentMoveString[1] - ONE;
11915 toX = currentMoveString[2] - AAA;
11916 toY = currentMoveString[3] - ONE;
11917 promoChar = currentMoveString[4];
11918 if(promoChar == ';') promoChar = NULLCHAR;
11923 if (appData.debugMode)
11924 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11925 fromX = moveType == WhiteDrop ?
11926 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11927 (int) CharToPiece(ToLower(currentMoveString[0]));
11929 toX = currentMoveString[2] - AAA;
11930 toY = currentMoveString[3] - ONE;
11936 case GameUnfinished:
11937 if (appData.debugMode)
11938 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11939 p = strchr(yy_text, '{');
11940 if (p == NULL) p = strchr(yy_text, '(');
11943 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11945 q = strchr(p, *p == '{' ? '}' : ')');
11946 if (q != NULL) *q = NULLCHAR;
11949 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11950 GameEnds(moveType, p, GE_FILE);
11952 if (cmailMsgLoaded) {
11954 flipView = WhiteOnMove(currentMove);
11955 if (moveType == GameUnfinished) flipView = !flipView;
11956 if (appData.debugMode)
11957 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11962 if (appData.debugMode)
11963 fprintf(debugFP, "Parser hit end of file\n");
11964 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11970 if (WhiteOnMove(currentMove)) {
11971 GameEnds(BlackWins, "Black mates", GE_FILE);
11973 GameEnds(WhiteWins, "White mates", GE_FILE);
11977 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11983 case MoveNumberOne:
11984 if (lastLoadGameStart == GNUChessGame) {
11985 /* GNUChessGames have numbers, but they aren't move numbers */
11986 if (appData.debugMode)
11987 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11988 yy_text, (int) moveType);
11989 return LoadGameOneMove(EndOfFile); /* tail recursion */
11991 /* else fall thru */
11996 /* Reached start of next game in file */
11997 if (appData.debugMode)
11998 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11999 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12005 if (WhiteOnMove(currentMove)) {
12006 GameEnds(BlackWins, "Black mates", GE_FILE);
12008 GameEnds(WhiteWins, "White mates", GE_FILE);
12012 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12018 case PositionDiagram: /* should not happen; ignore */
12019 case ElapsedTime: /* ignore */
12020 case NAG: /* ignore */
12021 if (appData.debugMode)
12022 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12023 yy_text, (int) moveType);
12024 return LoadGameOneMove(EndOfFile); /* tail recursion */
12027 if (appData.testLegality) {
12028 if (appData.debugMode)
12029 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12030 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12031 (forwardMostMove / 2) + 1,
12032 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12033 DisplayError(move, 0);
12036 if (appData.debugMode)
12037 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12038 yy_text, currentMoveString);
12039 fromX = currentMoveString[0] - AAA;
12040 fromY = currentMoveString[1] - ONE;
12041 toX = currentMoveString[2] - AAA;
12042 toY = currentMoveString[3] - ONE;
12043 promoChar = currentMoveString[4];
12047 case AmbiguousMove:
12048 if (appData.debugMode)
12049 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12050 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12051 (forwardMostMove / 2) + 1,
12052 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12053 DisplayError(move, 0);
12058 case ImpossibleMove:
12059 if (appData.debugMode)
12060 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12061 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12062 (forwardMostMove / 2) + 1,
12063 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12064 DisplayError(move, 0);
12070 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12071 DrawPosition(FALSE, boards[currentMove]);
12072 DisplayBothClocks();
12073 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12074 DisplayComment(currentMove - 1, commentList[currentMove]);
12076 (void) StopLoadGameTimer();
12078 cmailOldMove = forwardMostMove;
12081 /* currentMoveString is set as a side-effect of yylex */
12083 thinkOutput[0] = NULLCHAR;
12084 MakeMove(fromX, fromY, toX, toY, promoChar);
12085 killX = killY = -1; // [HGM] lion: used up
12086 currentMove = forwardMostMove;
12091 /* Load the nth game from the given file */
12093 LoadGameFromFile (char *filename, int n, char *title, int useList)
12098 if (strcmp(filename, "-") == 0) {
12102 f = fopen(filename, "rb");
12104 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12105 DisplayError(buf, errno);
12109 if (fseek(f, 0, 0) == -1) {
12110 /* f is not seekable; probably a pipe */
12113 if (useList && n == 0) {
12114 int error = GameListBuild(f);
12116 DisplayError(_("Cannot build game list"), error);
12117 } else if (!ListEmpty(&gameList) &&
12118 ((ListGame *) gameList.tailPred)->number > 1) {
12119 GameListPopUp(f, title);
12126 return LoadGame(f, n, title, FALSE);
12131 MakeRegisteredMove ()
12133 int fromX, fromY, toX, toY;
12135 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12136 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12139 if (appData.debugMode)
12140 fprintf(debugFP, "Restoring %s for game %d\n",
12141 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12143 thinkOutput[0] = NULLCHAR;
12144 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12145 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12146 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12147 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12148 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12149 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12150 MakeMove(fromX, fromY, toX, toY, promoChar);
12151 ShowMove(fromX, fromY, toX, toY);
12153 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12160 if (WhiteOnMove(currentMove)) {
12161 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12163 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12168 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12175 if (WhiteOnMove(currentMove)) {
12176 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12178 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12183 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12194 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12196 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12200 if (gameNumber > nCmailGames) {
12201 DisplayError(_("No more games in this message"), 0);
12204 if (f == lastLoadGameFP) {
12205 int offset = gameNumber - lastLoadGameNumber;
12207 cmailMsg[0] = NULLCHAR;
12208 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12209 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12210 nCmailMovesRegistered--;
12212 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12213 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12214 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12217 if (! RegisterMove()) return FALSE;
12221 retVal = LoadGame(f, gameNumber, title, useList);
12223 /* Make move registered during previous look at this game, if any */
12224 MakeRegisteredMove();
12226 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12227 commentList[currentMove]
12228 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12229 DisplayComment(currentMove - 1, commentList[currentMove]);
12235 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12237 ReloadGame (int offset)
12239 int gameNumber = lastLoadGameNumber + offset;
12240 if (lastLoadGameFP == NULL) {
12241 DisplayError(_("No game has been loaded yet"), 0);
12244 if (gameNumber <= 0) {
12245 DisplayError(_("Can't back up any further"), 0);
12248 if (cmailMsgLoaded) {
12249 return CmailLoadGame(lastLoadGameFP, gameNumber,
12250 lastLoadGameTitle, lastLoadGameUseList);
12252 return LoadGame(lastLoadGameFP, gameNumber,
12253 lastLoadGameTitle, lastLoadGameUseList);
12257 int keys[EmptySquare+1];
12260 PositionMatches (Board b1, Board b2)
12263 switch(appData.searchMode) {
12264 case 1: return CompareWithRights(b1, b2);
12266 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12267 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12271 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12272 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12273 sum += keys[b1[r][f]] - keys[b2[r][f]];
12277 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12278 sum += keys[b1[r][f]] - keys[b2[r][f]];
12290 int pieceList[256], quickBoard[256];
12291 ChessSquare pieceType[256] = { EmptySquare };
12292 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12293 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12294 int soughtTotal, turn;
12295 Boolean epOK, flipSearch;
12298 unsigned char piece, to;
12301 #define DSIZE (250000)
12303 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12304 Move *moveDatabase = initialSpace;
12305 unsigned int movePtr, dataSize = DSIZE;
12308 MakePieceList (Board board, int *counts)
12310 int r, f, n=Q_PROMO, total=0;
12311 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12312 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12313 int sq = f + (r<<4);
12314 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12315 quickBoard[sq] = ++n;
12317 pieceType[n] = board[r][f];
12318 counts[board[r][f]]++;
12319 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12320 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12324 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12329 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12331 int sq = fromX + (fromY<<4);
12332 int piece = quickBoard[sq], rook;
12333 quickBoard[sq] = 0;
12334 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12335 if(piece == pieceList[1] && fromY == toY) {
12336 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12337 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12338 moveDatabase[movePtr++].piece = Q_WCASTL;
12339 quickBoard[sq] = piece;
12340 piece = quickBoard[from]; quickBoard[from] = 0;
12341 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12342 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12343 quickBoard[sq] = 0; // remove Rook
12344 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12345 moveDatabase[movePtr++].piece = Q_WCASTL;
12346 quickBoard[sq] = pieceList[1]; // put King
12348 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12351 if(piece == pieceList[2] && fromY == toY) {
12352 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12353 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12354 moveDatabase[movePtr++].piece = Q_BCASTL;
12355 quickBoard[sq] = piece;
12356 piece = quickBoard[from]; quickBoard[from] = 0;
12357 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12358 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12359 quickBoard[sq] = 0; // remove Rook
12360 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12361 moveDatabase[movePtr++].piece = Q_BCASTL;
12362 quickBoard[sq] = pieceList[2]; // put King
12364 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12367 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12368 quickBoard[(fromY<<4)+toX] = 0;
12369 moveDatabase[movePtr].piece = Q_EP;
12370 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12371 moveDatabase[movePtr].to = sq;
12373 if(promoPiece != pieceType[piece]) {
12374 moveDatabase[movePtr++].piece = Q_PROMO;
12375 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12377 moveDatabase[movePtr].piece = piece;
12378 quickBoard[sq] = piece;
12383 PackGame (Board board)
12385 Move *newSpace = NULL;
12386 moveDatabase[movePtr].piece = 0; // terminate previous game
12387 if(movePtr > dataSize) {
12388 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12389 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12390 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12393 Move *p = moveDatabase, *q = newSpace;
12394 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12395 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12396 moveDatabase = newSpace;
12397 } else { // calloc failed, we must be out of memory. Too bad...
12398 dataSize = 0; // prevent calloc events for all subsequent games
12399 return 0; // and signal this one isn't cached
12403 MakePieceList(board, counts);
12408 QuickCompare (Board board, int *minCounts, int *maxCounts)
12409 { // compare according to search mode
12411 switch(appData.searchMode)
12413 case 1: // exact position match
12414 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12415 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12416 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12419 case 2: // can have extra material on empty squares
12420 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12421 if(board[r][f] == EmptySquare) continue;
12422 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12425 case 3: // material with exact Pawn structure
12426 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12427 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12428 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12429 } // fall through to material comparison
12430 case 4: // exact material
12431 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12433 case 6: // material range with given imbalance
12434 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12435 // fall through to range comparison
12436 case 5: // material range
12437 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12443 QuickScan (Board board, Move *move)
12444 { // reconstruct game,and compare all positions in it
12445 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12447 int piece = move->piece;
12448 int to = move->to, from = pieceList[piece];
12449 if(found < 0) { // if already found just scan to game end for final piece count
12450 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12451 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12452 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12453 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12455 static int lastCounts[EmptySquare+1];
12457 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12458 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12459 } else stretch = 0;
12460 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12461 if(found >= 0 && !appData.minPieces) return found;
12463 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12464 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12465 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12466 piece = (++move)->piece;
12467 from = pieceList[piece];
12468 counts[pieceType[piece]]--;
12469 pieceType[piece] = (ChessSquare) move->to;
12470 counts[move->to]++;
12471 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12472 counts[pieceType[quickBoard[to]]]--;
12473 quickBoard[to] = 0; total--;
12476 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12477 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12478 from = pieceList[piece]; // so this must be King
12479 quickBoard[from] = 0;
12480 pieceList[piece] = to;
12481 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12482 quickBoard[from] = 0; // rook
12483 quickBoard[to] = piece;
12484 to = move->to; piece = move->piece;
12488 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12489 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12490 quickBoard[from] = 0;
12492 quickBoard[to] = piece;
12493 pieceList[piece] = to;
12503 flipSearch = FALSE;
12504 CopyBoard(soughtBoard, boards[currentMove]);
12505 soughtTotal = MakePieceList(soughtBoard, maxSought);
12506 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12507 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12508 CopyBoard(reverseBoard, boards[currentMove]);
12509 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12510 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12511 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12512 reverseBoard[r][f] = piece;
12514 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12515 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12516 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12517 || (boards[currentMove][CASTLING][2] == NoRights ||
12518 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12519 && (boards[currentMove][CASTLING][5] == NoRights ||
12520 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12523 CopyBoard(flipBoard, soughtBoard);
12524 CopyBoard(rotateBoard, reverseBoard);
12525 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12526 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12527 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12530 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12531 if(appData.searchMode >= 5) {
12532 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12533 MakePieceList(soughtBoard, minSought);
12534 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12536 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12537 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12540 GameInfo dummyInfo;
12541 static int creatingBook;
12544 GameContainsPosition (FILE *f, ListGame *lg)
12546 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12547 int fromX, fromY, toX, toY;
12549 static int initDone=FALSE;
12551 // weed out games based on numerical tag comparison
12552 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12553 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12554 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12555 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12557 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12560 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12561 else CopyBoard(boards[scratch], initialPosition); // default start position
12564 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12565 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12568 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12569 fseek(f, lg->offset, 0);
12572 yyboardindex = scratch;
12573 quickFlag = plyNr+1;
12578 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12584 if(plyNr) return -1; // after we have seen moves, this is for new game
12587 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12588 case ImpossibleMove:
12589 case WhiteWins: // game ends here with these four
12592 case GameUnfinished:
12596 if(appData.testLegality) return -1;
12597 case WhiteCapturesEnPassant:
12598 case BlackCapturesEnPassant:
12599 case WhitePromotion:
12600 case BlackPromotion:
12601 case WhiteNonPromotion:
12602 case BlackNonPromotion:
12605 case WhiteKingSideCastle:
12606 case WhiteQueenSideCastle:
12607 case BlackKingSideCastle:
12608 case BlackQueenSideCastle:
12609 case WhiteKingSideCastleWild:
12610 case WhiteQueenSideCastleWild:
12611 case BlackKingSideCastleWild:
12612 case BlackQueenSideCastleWild:
12613 case WhiteHSideCastleFR:
12614 case WhiteASideCastleFR:
12615 case BlackHSideCastleFR:
12616 case BlackASideCastleFR:
12617 fromX = currentMoveString[0] - AAA;
12618 fromY = currentMoveString[1] - ONE;
12619 toX = currentMoveString[2] - AAA;
12620 toY = currentMoveString[3] - ONE;
12621 promoChar = currentMoveString[4];
12625 fromX = next == WhiteDrop ?
12626 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12627 (int) CharToPiece(ToLower(currentMoveString[0]));
12629 toX = currentMoveString[2] - AAA;
12630 toY = currentMoveString[3] - ONE;
12634 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12636 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12637 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12638 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12639 if(appData.findMirror) {
12640 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12641 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12646 /* Load the nth game from open file f */
12648 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12652 int gn = gameNumber;
12653 ListGame *lg = NULL;
12654 int numPGNTags = 0;
12656 GameMode oldGameMode;
12657 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12659 if (appData.debugMode)
12660 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12662 if (gameMode == Training )
12663 SetTrainingModeOff();
12665 oldGameMode = gameMode;
12666 if (gameMode != BeginningOfGame) {
12667 Reset(FALSE, TRUE);
12669 killX = killY = -1; // [HGM] lion: in case we did not Reset
12672 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12673 fclose(lastLoadGameFP);
12677 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12680 fseek(f, lg->offset, 0);
12681 GameListHighlight(gameNumber);
12682 pos = lg->position;
12686 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12687 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12689 DisplayError(_("Game number out of range"), 0);
12694 if (fseek(f, 0, 0) == -1) {
12695 if (f == lastLoadGameFP ?
12696 gameNumber == lastLoadGameNumber + 1 :
12700 DisplayError(_("Can't seek on game file"), 0);
12705 lastLoadGameFP = f;
12706 lastLoadGameNumber = gameNumber;
12707 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12708 lastLoadGameUseList = useList;
12712 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12713 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12714 lg->gameInfo.black);
12716 } else if (*title != NULLCHAR) {
12717 if (gameNumber > 1) {
12718 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12721 DisplayTitle(title);
12725 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12726 gameMode = PlayFromGameFile;
12730 currentMove = forwardMostMove = backwardMostMove = 0;
12731 CopyBoard(boards[0], initialPosition);
12735 * Skip the first gn-1 games in the file.
12736 * Also skip over anything that precedes an identifiable
12737 * start of game marker, to avoid being confused by
12738 * garbage at the start of the file. Currently
12739 * recognized start of game markers are the move number "1",
12740 * the pattern "gnuchess .* game", the pattern
12741 * "^[#;%] [^ ]* game file", and a PGN tag block.
12742 * A game that starts with one of the latter two patterns
12743 * will also have a move number 1, possibly
12744 * following a position diagram.
12745 * 5-4-02: Let's try being more lenient and allowing a game to
12746 * start with an unnumbered move. Does that break anything?
12748 cm = lastLoadGameStart = EndOfFile;
12750 yyboardindex = forwardMostMove;
12751 cm = (ChessMove) Myylex();
12754 if (cmailMsgLoaded) {
12755 nCmailGames = CMAIL_MAX_GAMES - gn;
12758 DisplayError(_("Game not found in file"), 0);
12765 lastLoadGameStart = cm;
12768 case MoveNumberOne:
12769 switch (lastLoadGameStart) {
12774 case MoveNumberOne:
12776 gn--; /* count this game */
12777 lastLoadGameStart = cm;
12786 switch (lastLoadGameStart) {
12789 case MoveNumberOne:
12791 gn--; /* count this game */
12792 lastLoadGameStart = cm;
12795 lastLoadGameStart = cm; /* game counted already */
12803 yyboardindex = forwardMostMove;
12804 cm = (ChessMove) Myylex();
12805 } while (cm == PGNTag || cm == Comment);
12812 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12813 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12814 != CMAIL_OLD_RESULT) {
12816 cmailResult[ CMAIL_MAX_GAMES
12817 - gn - 1] = CMAIL_OLD_RESULT;
12824 /* Only a NormalMove can be at the start of a game
12825 * without a position diagram. */
12826 if (lastLoadGameStart == EndOfFile ) {
12828 lastLoadGameStart = MoveNumberOne;
12837 if (appData.debugMode)
12838 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12840 if (cm == XBoardGame) {
12841 /* Skip any header junk before position diagram and/or move 1 */
12843 yyboardindex = forwardMostMove;
12844 cm = (ChessMove) Myylex();
12846 if (cm == EndOfFile ||
12847 cm == GNUChessGame || cm == XBoardGame) {
12848 /* Empty game; pretend end-of-file and handle later */
12853 if (cm == MoveNumberOne || cm == PositionDiagram ||
12854 cm == PGNTag || cm == Comment)
12857 } else if (cm == GNUChessGame) {
12858 if (gameInfo.event != NULL) {
12859 free(gameInfo.event);
12861 gameInfo.event = StrSave(yy_text);
12864 startedFromSetupPosition = FALSE;
12865 while (cm == PGNTag) {
12866 if (appData.debugMode)
12867 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12868 err = ParsePGNTag(yy_text, &gameInfo);
12869 if (!err) numPGNTags++;
12871 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12872 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
12873 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12874 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12875 InitPosition(TRUE);
12876 oldVariant = gameInfo.variant;
12877 if (appData.debugMode)
12878 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12882 if (gameInfo.fen != NULL) {
12883 Board initial_position;
12884 startedFromSetupPosition = TRUE;
12885 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12887 DisplayError(_("Bad FEN position in file"), 0);
12890 CopyBoard(boards[0], initial_position);
12891 if(*engineVariant) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
12892 CopyBoard(initialPosition, initial_position);
12893 if (blackPlaysFirst) {
12894 currentMove = forwardMostMove = backwardMostMove = 1;
12895 CopyBoard(boards[1], initial_position);
12896 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12897 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12898 timeRemaining[0][1] = whiteTimeRemaining;
12899 timeRemaining[1][1] = blackTimeRemaining;
12900 if (commentList[0] != NULL) {
12901 commentList[1] = commentList[0];
12902 commentList[0] = NULL;
12905 currentMove = forwardMostMove = backwardMostMove = 0;
12907 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12909 initialRulePlies = FENrulePlies;
12910 for( i=0; i< nrCastlingRights; i++ )
12911 initialRights[i] = initial_position[CASTLING][i];
12913 yyboardindex = forwardMostMove;
12914 free(gameInfo.fen);
12915 gameInfo.fen = NULL;
12918 yyboardindex = forwardMostMove;
12919 cm = (ChessMove) Myylex();
12921 /* Handle comments interspersed among the tags */
12922 while (cm == Comment) {
12924 if (appData.debugMode)
12925 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12927 AppendComment(currentMove, p, FALSE);
12928 yyboardindex = forwardMostMove;
12929 cm = (ChessMove) Myylex();
12933 /* don't rely on existence of Event tag since if game was
12934 * pasted from clipboard the Event tag may not exist
12936 if (numPGNTags > 0){
12938 if (gameInfo.variant == VariantNormal) {
12939 VariantClass v = StringToVariant(gameInfo.event);
12940 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12941 if(v < VariantShogi) gameInfo.variant = v;
12944 if( appData.autoDisplayTags ) {
12945 tags = PGNTags(&gameInfo);
12946 TagsPopUp(tags, CmailMsg());
12951 /* Make something up, but don't display it now */
12956 if (cm == PositionDiagram) {
12959 Board initial_position;
12961 if (appData.debugMode)
12962 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12964 if (!startedFromSetupPosition) {
12966 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12967 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12978 initial_position[i][j++] = CharToPiece(*p);
12981 while (*p == ' ' || *p == '\t' ||
12982 *p == '\n' || *p == '\r') p++;
12984 if (strncmp(p, "black", strlen("black"))==0)
12985 blackPlaysFirst = TRUE;
12987 blackPlaysFirst = FALSE;
12988 startedFromSetupPosition = TRUE;
12990 CopyBoard(boards[0], initial_position);
12991 if (blackPlaysFirst) {
12992 currentMove = forwardMostMove = backwardMostMove = 1;
12993 CopyBoard(boards[1], initial_position);
12994 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12995 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12996 timeRemaining[0][1] = whiteTimeRemaining;
12997 timeRemaining[1][1] = blackTimeRemaining;
12998 if (commentList[0] != NULL) {
12999 commentList[1] = commentList[0];
13000 commentList[0] = NULL;
13003 currentMove = forwardMostMove = backwardMostMove = 0;
13006 yyboardindex = forwardMostMove;
13007 cm = (ChessMove) Myylex();
13010 if(!creatingBook) {
13011 if (first.pr == NoProc) {
13012 StartChessProgram(&first);
13014 InitChessProgram(&first, FALSE);
13015 SendToProgram("force\n", &first);
13016 if (startedFromSetupPosition) {
13017 SendBoard(&first, forwardMostMove);
13018 if (appData.debugMode) {
13019 fprintf(debugFP, "Load Game\n");
13021 DisplayBothClocks();
13025 /* [HGM] server: flag to write setup moves in broadcast file as one */
13026 loadFlag = appData.suppressLoadMoves;
13028 while (cm == Comment) {
13030 if (appData.debugMode)
13031 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13033 AppendComment(currentMove, p, FALSE);
13034 yyboardindex = forwardMostMove;
13035 cm = (ChessMove) Myylex();
13038 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13039 cm == WhiteWins || cm == BlackWins ||
13040 cm == GameIsDrawn || cm == GameUnfinished) {
13041 DisplayMessage("", _("No moves in game"));
13042 if (cmailMsgLoaded) {
13043 if (appData.debugMode)
13044 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13048 DrawPosition(FALSE, boards[currentMove]);
13049 DisplayBothClocks();
13050 gameMode = EditGame;
13057 // [HGM] PV info: routine tests if comment empty
13058 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13059 DisplayComment(currentMove - 1, commentList[currentMove]);
13061 if (!matchMode && appData.timeDelay != 0)
13062 DrawPosition(FALSE, boards[currentMove]);
13064 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13065 programStats.ok_to_send = 1;
13068 /* if the first token after the PGN tags is a move
13069 * and not move number 1, retrieve it from the parser
13071 if (cm != MoveNumberOne)
13072 LoadGameOneMove(cm);
13074 /* load the remaining moves from the file */
13075 while (LoadGameOneMove(EndOfFile)) {
13076 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13077 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13080 /* rewind to the start of the game */
13081 currentMove = backwardMostMove;
13083 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13085 if (oldGameMode == AnalyzeFile) {
13086 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13087 AnalyzeFileEvent();
13089 if (oldGameMode == AnalyzeMode) {
13090 AnalyzeFileEvent();
13093 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13094 long int w, b; // [HGM] adjourn: restore saved clock times
13095 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13096 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13097 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13098 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13102 if(creatingBook) return TRUE;
13103 if (!matchMode && pos > 0) {
13104 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13106 if (matchMode || appData.timeDelay == 0) {
13108 } else if (appData.timeDelay > 0) {
13109 AutoPlayGameLoop();
13112 if (appData.debugMode)
13113 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13115 loadFlag = 0; /* [HGM] true game starts */
13119 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13121 ReloadPosition (int offset)
13123 int positionNumber = lastLoadPositionNumber + offset;
13124 if (lastLoadPositionFP == NULL) {
13125 DisplayError(_("No position has been loaded yet"), 0);
13128 if (positionNumber <= 0) {
13129 DisplayError(_("Can't back up any further"), 0);
13132 return LoadPosition(lastLoadPositionFP, positionNumber,
13133 lastLoadPositionTitle);
13136 /* Load the nth position from the given file */
13138 LoadPositionFromFile (char *filename, int n, char *title)
13143 if (strcmp(filename, "-") == 0) {
13144 return LoadPosition(stdin, n, "stdin");
13146 f = fopen(filename, "rb");
13148 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13149 DisplayError(buf, errno);
13152 return LoadPosition(f, n, title);
13157 /* Load the nth position from the given open file, and close it */
13159 LoadPosition (FILE *f, int positionNumber, char *title)
13161 char *p, line[MSG_SIZ];
13162 Board initial_position;
13163 int i, j, fenMode, pn;
13165 if (gameMode == Training )
13166 SetTrainingModeOff();
13168 if (gameMode != BeginningOfGame) {
13169 Reset(FALSE, TRUE);
13171 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13172 fclose(lastLoadPositionFP);
13174 if (positionNumber == 0) positionNumber = 1;
13175 lastLoadPositionFP = f;
13176 lastLoadPositionNumber = positionNumber;
13177 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13178 if (first.pr == NoProc && !appData.noChessProgram) {
13179 StartChessProgram(&first);
13180 InitChessProgram(&first, FALSE);
13182 pn = positionNumber;
13183 if (positionNumber < 0) {
13184 /* Negative position number means to seek to that byte offset */
13185 if (fseek(f, -positionNumber, 0) == -1) {
13186 DisplayError(_("Can't seek on position file"), 0);
13191 if (fseek(f, 0, 0) == -1) {
13192 if (f == lastLoadPositionFP ?
13193 positionNumber == lastLoadPositionNumber + 1 :
13194 positionNumber == 1) {
13197 DisplayError(_("Can't seek on position file"), 0);
13202 /* See if this file is FEN or old-style xboard */
13203 if (fgets(line, MSG_SIZ, f) == NULL) {
13204 DisplayError(_("Position not found in file"), 0);
13207 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
13208 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
13211 if (fenMode || line[0] == '#') pn--;
13213 /* skip positions before number pn */
13214 if (fgets(line, MSG_SIZ, f) == NULL) {
13216 DisplayError(_("Position not found in file"), 0);
13219 if (fenMode || line[0] == '#') pn--;
13224 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13225 DisplayError(_("Bad FEN position in file"), 0);
13229 (void) fgets(line, MSG_SIZ, f);
13230 (void) fgets(line, MSG_SIZ, f);
13232 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13233 (void) fgets(line, MSG_SIZ, f);
13234 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13237 initial_position[i][j++] = CharToPiece(*p);
13241 blackPlaysFirst = FALSE;
13243 (void) fgets(line, MSG_SIZ, f);
13244 if (strncmp(line, "black", strlen("black"))==0)
13245 blackPlaysFirst = TRUE;
13248 startedFromSetupPosition = TRUE;
13250 CopyBoard(boards[0], initial_position);
13251 if (blackPlaysFirst) {
13252 currentMove = forwardMostMove = backwardMostMove = 1;
13253 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13254 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13255 CopyBoard(boards[1], initial_position);
13256 DisplayMessage("", _("Black to play"));
13258 currentMove = forwardMostMove = backwardMostMove = 0;
13259 DisplayMessage("", _("White to play"));
13261 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13262 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13263 SendToProgram("force\n", &first);
13264 SendBoard(&first, forwardMostMove);
13266 if (appData.debugMode) {
13268 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13269 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13270 fprintf(debugFP, "Load Position\n");
13273 if (positionNumber > 1) {
13274 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13275 DisplayTitle(line);
13277 DisplayTitle(title);
13279 gameMode = EditGame;
13282 timeRemaining[0][1] = whiteTimeRemaining;
13283 timeRemaining[1][1] = blackTimeRemaining;
13284 DrawPosition(FALSE, boards[currentMove]);
13291 CopyPlayerNameIntoFileName (char **dest, char *src)
13293 while (*src != NULLCHAR && *src != ',') {
13298 *(*dest)++ = *src++;
13304 DefaultFileName (char *ext)
13306 static char def[MSG_SIZ];
13309 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13311 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13313 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13315 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13322 /* Save the current game to the given file */
13324 SaveGameToFile (char *filename, int append)
13328 int result, i, t,tot=0;
13330 if (strcmp(filename, "-") == 0) {
13331 return SaveGame(stdout, 0, NULL);
13333 for(i=0; i<10; i++) { // upto 10 tries
13334 f = fopen(filename, append ? "a" : "w");
13335 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13336 if(f || errno != 13) break;
13337 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13341 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13342 DisplayError(buf, errno);
13345 safeStrCpy(buf, lastMsg, MSG_SIZ);
13346 DisplayMessage(_("Waiting for access to save file"), "");
13347 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13348 DisplayMessage(_("Saving game"), "");
13349 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13350 result = SaveGame(f, 0, NULL);
13351 DisplayMessage(buf, "");
13358 SavePart (char *str)
13360 static char buf[MSG_SIZ];
13363 p = strchr(str, ' ');
13364 if (p == NULL) return str;
13365 strncpy(buf, str, p - str);
13366 buf[p - str] = NULLCHAR;
13370 #define PGN_MAX_LINE 75
13372 #define PGN_SIDE_WHITE 0
13373 #define PGN_SIDE_BLACK 1
13376 FindFirstMoveOutOfBook (int side)
13380 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13381 int index = backwardMostMove;
13382 int has_book_hit = 0;
13384 if( (index % 2) != side ) {
13388 while( index < forwardMostMove ) {
13389 /* Check to see if engine is in book */
13390 int depth = pvInfoList[index].depth;
13391 int score = pvInfoList[index].score;
13397 else if( score == 0 && depth == 63 ) {
13398 in_book = 1; /* Zappa */
13400 else if( score == 2 && depth == 99 ) {
13401 in_book = 1; /* Abrok */
13404 has_book_hit += in_book;
13420 GetOutOfBookInfo (char * buf)
13424 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13426 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13427 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13431 if( oob[0] >= 0 || oob[1] >= 0 ) {
13432 for( i=0; i<2; i++ ) {
13436 if( i > 0 && oob[0] >= 0 ) {
13437 strcat( buf, " " );
13440 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13441 sprintf( buf+strlen(buf), "%s%.2f",
13442 pvInfoList[idx].score >= 0 ? "+" : "",
13443 pvInfoList[idx].score / 100.0 );
13449 /* Save game in PGN style */
13451 SaveGamePGN2 (FILE *f)
13453 int i, offset, linelen, newblock;
13456 int movelen, numlen, blank;
13457 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13459 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13461 PrintPGNTags(f, &gameInfo);
13463 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13465 if (backwardMostMove > 0 || startedFromSetupPosition) {
13466 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13467 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13468 fprintf(f, "\n{--------------\n");
13469 PrintPosition(f, backwardMostMove);
13470 fprintf(f, "--------------}\n");
13474 /* [AS] Out of book annotation */
13475 if( appData.saveOutOfBookInfo ) {
13478 GetOutOfBookInfo( buf );
13480 if( buf[0] != '\0' ) {
13481 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13488 i = backwardMostMove;
13492 while (i < forwardMostMove) {
13493 /* Print comments preceding this move */
13494 if (commentList[i] != NULL) {
13495 if (linelen > 0) fprintf(f, "\n");
13496 fprintf(f, "%s", commentList[i]);
13501 /* Format move number */
13503 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13506 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13508 numtext[0] = NULLCHAR;
13510 numlen = strlen(numtext);
13513 /* Print move number */
13514 blank = linelen > 0 && numlen > 0;
13515 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13524 fprintf(f, "%s", numtext);
13528 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13529 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13532 blank = linelen > 0 && movelen > 0;
13533 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13542 fprintf(f, "%s", move_buffer);
13543 linelen += movelen;
13545 /* [AS] Add PV info if present */
13546 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13547 /* [HGM] add time */
13548 char buf[MSG_SIZ]; int seconds;
13550 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13556 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13559 seconds = (seconds + 4)/10; // round to full seconds
13561 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13563 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13566 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13567 pvInfoList[i].score >= 0 ? "+" : "",
13568 pvInfoList[i].score / 100.0,
13569 pvInfoList[i].depth,
13572 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13574 /* Print score/depth */
13575 blank = linelen > 0 && movelen > 0;
13576 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13585 fprintf(f, "%s", move_buffer);
13586 linelen += movelen;
13592 /* Start a new line */
13593 if (linelen > 0) fprintf(f, "\n");
13595 /* Print comments after last move */
13596 if (commentList[i] != NULL) {
13597 fprintf(f, "%s\n", commentList[i]);
13601 if (gameInfo.resultDetails != NULL &&
13602 gameInfo.resultDetails[0] != NULLCHAR) {
13603 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13604 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13605 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13606 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13607 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13609 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13613 /* Save game in PGN style and close the file */
13615 SaveGamePGN (FILE *f)
13619 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13623 /* Save game in old style and close the file */
13625 SaveGameOldStyle (FILE *f)
13630 tm = time((time_t *) NULL);
13632 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13635 if (backwardMostMove > 0 || startedFromSetupPosition) {
13636 fprintf(f, "\n[--------------\n");
13637 PrintPosition(f, backwardMostMove);
13638 fprintf(f, "--------------]\n");
13643 i = backwardMostMove;
13644 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13646 while (i < forwardMostMove) {
13647 if (commentList[i] != NULL) {
13648 fprintf(f, "[%s]\n", commentList[i]);
13651 if ((i % 2) == 1) {
13652 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13655 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13657 if (commentList[i] != NULL) {
13661 if (i >= forwardMostMove) {
13665 fprintf(f, "%s\n", parseList[i]);
13670 if (commentList[i] != NULL) {
13671 fprintf(f, "[%s]\n", commentList[i]);
13674 /* This isn't really the old style, but it's close enough */
13675 if (gameInfo.resultDetails != NULL &&
13676 gameInfo.resultDetails[0] != NULLCHAR) {
13677 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13678 gameInfo.resultDetails);
13680 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13687 /* Save the current game to open file f and close the file */
13689 SaveGame (FILE *f, int dummy, char *dummy2)
13691 if (gameMode == EditPosition) EditPositionDone(TRUE);
13692 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13693 if (appData.oldSaveStyle)
13694 return SaveGameOldStyle(f);
13696 return SaveGamePGN(f);
13699 /* Save the current position to the given file */
13701 SavePositionToFile (char *filename)
13706 if (strcmp(filename, "-") == 0) {
13707 return SavePosition(stdout, 0, NULL);
13709 f = fopen(filename, "a");
13711 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13712 DisplayError(buf, errno);
13715 safeStrCpy(buf, lastMsg, MSG_SIZ);
13716 DisplayMessage(_("Waiting for access to save file"), "");
13717 flock(fileno(f), LOCK_EX); // [HGM] lock
13718 DisplayMessage(_("Saving position"), "");
13719 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13720 SavePosition(f, 0, NULL);
13721 DisplayMessage(buf, "");
13727 /* Save the current position to the given open file and close the file */
13729 SavePosition (FILE *f, int dummy, char *dummy2)
13734 if (gameMode == EditPosition) EditPositionDone(TRUE);
13735 if (appData.oldSaveStyle) {
13736 tm = time((time_t *) NULL);
13738 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13740 fprintf(f, "[--------------\n");
13741 PrintPosition(f, currentMove);
13742 fprintf(f, "--------------]\n");
13744 fen = PositionToFEN(currentMove, NULL, 1);
13745 fprintf(f, "%s\n", fen);
13753 ReloadCmailMsgEvent (int unregister)
13756 static char *inFilename = NULL;
13757 static char *outFilename;
13759 struct stat inbuf, outbuf;
13762 /* Any registered moves are unregistered if unregister is set, */
13763 /* i.e. invoked by the signal handler */
13765 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13766 cmailMoveRegistered[i] = FALSE;
13767 if (cmailCommentList[i] != NULL) {
13768 free(cmailCommentList[i]);
13769 cmailCommentList[i] = NULL;
13772 nCmailMovesRegistered = 0;
13775 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13776 cmailResult[i] = CMAIL_NOT_RESULT;
13780 if (inFilename == NULL) {
13781 /* Because the filenames are static they only get malloced once */
13782 /* and they never get freed */
13783 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13784 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13786 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13787 sprintf(outFilename, "%s.out", appData.cmailGameName);
13790 status = stat(outFilename, &outbuf);
13792 cmailMailedMove = FALSE;
13794 status = stat(inFilename, &inbuf);
13795 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13798 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13799 counts the games, notes how each one terminated, etc.
13801 It would be nice to remove this kludge and instead gather all
13802 the information while building the game list. (And to keep it
13803 in the game list nodes instead of having a bunch of fixed-size
13804 parallel arrays.) Note this will require getting each game's
13805 termination from the PGN tags, as the game list builder does
13806 not process the game moves. --mann
13808 cmailMsgLoaded = TRUE;
13809 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13811 /* Load first game in the file or popup game menu */
13812 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13814 #endif /* !WIN32 */
13822 char string[MSG_SIZ];
13824 if ( cmailMailedMove
13825 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13826 return TRUE; /* Allow free viewing */
13829 /* Unregister move to ensure that we don't leave RegisterMove */
13830 /* with the move registered when the conditions for registering no */
13832 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13833 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13834 nCmailMovesRegistered --;
13836 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13838 free(cmailCommentList[lastLoadGameNumber - 1]);
13839 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13843 if (cmailOldMove == -1) {
13844 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13848 if (currentMove > cmailOldMove + 1) {
13849 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13853 if (currentMove < cmailOldMove) {
13854 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13858 if (forwardMostMove > currentMove) {
13859 /* Silently truncate extra moves */
13863 if ( (currentMove == cmailOldMove + 1)
13864 || ( (currentMove == cmailOldMove)
13865 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13866 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13867 if (gameInfo.result != GameUnfinished) {
13868 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13871 if (commentList[currentMove] != NULL) {
13872 cmailCommentList[lastLoadGameNumber - 1]
13873 = StrSave(commentList[currentMove]);
13875 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13877 if (appData.debugMode)
13878 fprintf(debugFP, "Saving %s for game %d\n",
13879 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13881 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13883 f = fopen(string, "w");
13884 if (appData.oldSaveStyle) {
13885 SaveGameOldStyle(f); /* also closes the file */
13887 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13888 f = fopen(string, "w");
13889 SavePosition(f, 0, NULL); /* also closes the file */
13891 fprintf(f, "{--------------\n");
13892 PrintPosition(f, currentMove);
13893 fprintf(f, "--------------}\n\n");
13895 SaveGame(f, 0, NULL); /* also closes the file*/
13898 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13899 nCmailMovesRegistered ++;
13900 } else if (nCmailGames == 1) {
13901 DisplayError(_("You have not made a move yet"), 0);
13912 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13913 FILE *commandOutput;
13914 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13915 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13921 if (! cmailMsgLoaded) {
13922 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13926 if (nCmailGames == nCmailResults) {
13927 DisplayError(_("No unfinished games"), 0);
13931 #if CMAIL_PROHIBIT_REMAIL
13932 if (cmailMailedMove) {
13933 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);
13934 DisplayError(msg, 0);
13939 if (! (cmailMailedMove || RegisterMove())) return;
13941 if ( cmailMailedMove
13942 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13943 snprintf(string, MSG_SIZ, partCommandString,
13944 appData.debugMode ? " -v" : "", appData.cmailGameName);
13945 commandOutput = popen(string, "r");
13947 if (commandOutput == NULL) {
13948 DisplayError(_("Failed to invoke cmail"), 0);
13950 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13951 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13953 if (nBuffers > 1) {
13954 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13955 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13956 nBytes = MSG_SIZ - 1;
13958 (void) memcpy(msg, buffer, nBytes);
13960 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13962 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13963 cmailMailedMove = TRUE; /* Prevent >1 moves */
13966 for (i = 0; i < nCmailGames; i ++) {
13967 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13972 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13974 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13976 appData.cmailGameName,
13978 LoadGameFromFile(buffer, 1, buffer, FALSE);
13979 cmailMsgLoaded = FALSE;
13983 DisplayInformation(msg);
13984 pclose(commandOutput);
13987 if ((*cmailMsg) != '\0') {
13988 DisplayInformation(cmailMsg);
13993 #endif /* !WIN32 */
14002 int prependComma = 0;
14004 char string[MSG_SIZ]; /* Space for game-list */
14007 if (!cmailMsgLoaded) return "";
14009 if (cmailMailedMove) {
14010 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14012 /* Create a list of games left */
14013 snprintf(string, MSG_SIZ, "[");
14014 for (i = 0; i < nCmailGames; i ++) {
14015 if (! ( cmailMoveRegistered[i]
14016 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14017 if (prependComma) {
14018 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14020 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14024 strcat(string, number);
14027 strcat(string, "]");
14029 if (nCmailMovesRegistered + nCmailResults == 0) {
14030 switch (nCmailGames) {
14032 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14036 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14040 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14045 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14047 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14052 if (nCmailResults == nCmailGames) {
14053 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14055 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14060 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14072 if (gameMode == Training)
14073 SetTrainingModeOff();
14076 cmailMsgLoaded = FALSE;
14077 if (appData.icsActive) {
14078 SendToICS(ics_prefix);
14079 SendToICS("refresh\n");
14084 ExitEvent (int status)
14088 /* Give up on clean exit */
14092 /* Keep trying for clean exit */
14096 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14097 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14099 if (telnetISR != NULL) {
14100 RemoveInputSource(telnetISR);
14102 if (icsPR != NoProc) {
14103 DestroyChildProcess(icsPR, TRUE);
14106 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14107 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14109 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14110 /* make sure this other one finishes before killing it! */
14111 if(endingGame) { int count = 0;
14112 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14113 while(endingGame && count++ < 10) DoSleep(1);
14114 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14117 /* Kill off chess programs */
14118 if (first.pr != NoProc) {
14121 DoSleep( appData.delayBeforeQuit );
14122 SendToProgram("quit\n", &first);
14123 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14125 if (second.pr != NoProc) {
14126 DoSleep( appData.delayBeforeQuit );
14127 SendToProgram("quit\n", &second);
14128 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14130 if (first.isr != NULL) {
14131 RemoveInputSource(first.isr);
14133 if (second.isr != NULL) {
14134 RemoveInputSource(second.isr);
14137 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14138 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14140 ShutDownFrontEnd();
14145 PauseEngine (ChessProgramState *cps)
14147 SendToProgram("pause\n", cps);
14152 UnPauseEngine (ChessProgramState *cps)
14154 SendToProgram("resume\n", cps);
14161 if (appData.debugMode)
14162 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14166 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14168 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14169 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14170 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14172 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14173 HandleMachineMove(stashedInputMove, stalledEngine);
14174 stalledEngine = NULL;
14177 if (gameMode == MachinePlaysWhite ||
14178 gameMode == TwoMachinesPlay ||
14179 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14180 if(first.pause) UnPauseEngine(&first);
14181 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14182 if(second.pause) UnPauseEngine(&second);
14183 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14186 DisplayBothClocks();
14188 if (gameMode == PlayFromGameFile) {
14189 if (appData.timeDelay >= 0)
14190 AutoPlayGameLoop();
14191 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14192 Reset(FALSE, TRUE);
14193 SendToICS(ics_prefix);
14194 SendToICS("refresh\n");
14195 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14196 ForwardInner(forwardMostMove);
14198 pauseExamInvalid = FALSE;
14200 switch (gameMode) {
14204 pauseExamForwardMostMove = forwardMostMove;
14205 pauseExamInvalid = FALSE;
14208 case IcsPlayingWhite:
14209 case IcsPlayingBlack:
14213 case PlayFromGameFile:
14214 (void) StopLoadGameTimer();
14218 case BeginningOfGame:
14219 if (appData.icsActive) return;
14220 /* else fall through */
14221 case MachinePlaysWhite:
14222 case MachinePlaysBlack:
14223 case TwoMachinesPlay:
14224 if (forwardMostMove == 0)
14225 return; /* don't pause if no one has moved */
14226 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14227 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14228 if(onMove->pause) { // thinking engine can be paused
14229 PauseEngine(onMove); // do it
14230 if(onMove->other->pause) // pondering opponent can always be paused immediately
14231 PauseEngine(onMove->other);
14233 SendToProgram("easy\n", onMove->other);
14235 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14236 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14238 PauseEngine(&first);
14240 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14241 } else { // human on move, pause pondering by either method
14243 PauseEngine(&first);
14244 else if(appData.ponderNextMove)
14245 SendToProgram("easy\n", &first);
14248 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14258 EditCommentEvent ()
14260 char title[MSG_SIZ];
14262 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14263 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14265 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14266 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14267 parseList[currentMove - 1]);
14270 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14277 char *tags = PGNTags(&gameInfo);
14279 EditTagsPopUp(tags, NULL);
14286 if(second.analyzing) {
14287 SendToProgram("exit\n", &second);
14288 second.analyzing = FALSE;
14290 if (second.pr == NoProc) StartChessProgram(&second);
14291 InitChessProgram(&second, FALSE);
14292 FeedMovesToProgram(&second, currentMove);
14294 SendToProgram("analyze\n", &second);
14295 second.analyzing = TRUE;
14299 /* Toggle ShowThinking */
14301 ToggleShowThinking()
14303 appData.showThinking = !appData.showThinking;
14304 ShowThinkingEvent();
14308 AnalyzeModeEvent ()
14312 if (!first.analysisSupport) {
14313 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14314 DisplayError(buf, 0);
14317 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14318 if (appData.icsActive) {
14319 if (gameMode != IcsObserving) {
14320 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14321 DisplayError(buf, 0);
14323 if (appData.icsEngineAnalyze) {
14324 if (appData.debugMode)
14325 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14331 /* if enable, user wants to disable icsEngineAnalyze */
14332 if (appData.icsEngineAnalyze) {
14337 appData.icsEngineAnalyze = TRUE;
14338 if (appData.debugMode)
14339 fprintf(debugFP, "ICS engine analyze starting... \n");
14342 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14343 if (appData.noChessProgram || gameMode == AnalyzeMode)
14346 if (gameMode != AnalyzeFile) {
14347 if (!appData.icsEngineAnalyze) {
14349 if (gameMode != EditGame) return 0;
14351 if (!appData.showThinking) ToggleShowThinking();
14352 ResurrectChessProgram();
14353 SendToProgram("analyze\n", &first);
14354 first.analyzing = TRUE;
14355 /*first.maybeThinking = TRUE;*/
14356 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14357 EngineOutputPopUp();
14359 if (!appData.icsEngineAnalyze) {
14360 gameMode = AnalyzeMode;
14361 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14367 StartAnalysisClock();
14368 GetTimeMark(&lastNodeCountTime);
14374 AnalyzeFileEvent ()
14376 if (appData.noChessProgram || gameMode == AnalyzeFile)
14379 if (!first.analysisSupport) {
14381 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14382 DisplayError(buf, 0);
14386 if (gameMode != AnalyzeMode) {
14387 keepInfo = 1; // mere annotating should not alter PGN tags
14390 if (gameMode != EditGame) return;
14391 if (!appData.showThinking) ToggleShowThinking();
14392 ResurrectChessProgram();
14393 SendToProgram("analyze\n", &first);
14394 first.analyzing = TRUE;
14395 /*first.maybeThinking = TRUE;*/
14396 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14397 EngineOutputPopUp();
14399 gameMode = AnalyzeFile;
14403 StartAnalysisClock();
14404 GetTimeMark(&lastNodeCountTime);
14406 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14407 AnalysisPeriodicEvent(1);
14411 MachineWhiteEvent ()
14414 char *bookHit = NULL;
14416 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14420 if (gameMode == PlayFromGameFile ||
14421 gameMode == TwoMachinesPlay ||
14422 gameMode == Training ||
14423 gameMode == AnalyzeMode ||
14424 gameMode == EndOfGame)
14427 if (gameMode == EditPosition)
14428 EditPositionDone(TRUE);
14430 if (!WhiteOnMove(currentMove)) {
14431 DisplayError(_("It is not White's turn"), 0);
14435 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14438 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14439 gameMode == AnalyzeFile)
14442 ResurrectChessProgram(); /* in case it isn't running */
14443 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14444 gameMode = MachinePlaysWhite;
14447 gameMode = MachinePlaysWhite;
14451 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14453 if (first.sendName) {
14454 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14455 SendToProgram(buf, &first);
14457 if (first.sendTime) {
14458 if (first.useColors) {
14459 SendToProgram("black\n", &first); /*gnu kludge*/
14461 SendTimeRemaining(&first, TRUE);
14463 if (first.useColors) {
14464 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14466 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14467 SetMachineThinkingEnables();
14468 first.maybeThinking = TRUE;
14472 if (appData.autoFlipView && !flipView) {
14473 flipView = !flipView;
14474 DrawPosition(FALSE, NULL);
14475 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14478 if(bookHit) { // [HGM] book: simulate book reply
14479 static char bookMove[MSG_SIZ]; // a bit generous?
14481 programStats.nodes = programStats.depth = programStats.time =
14482 programStats.score = programStats.got_only_move = 0;
14483 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14485 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14486 strcat(bookMove, bookHit);
14487 HandleMachineMove(bookMove, &first);
14492 MachineBlackEvent ()
14495 char *bookHit = NULL;
14497 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14501 if (gameMode == PlayFromGameFile ||
14502 gameMode == TwoMachinesPlay ||
14503 gameMode == Training ||
14504 gameMode == AnalyzeMode ||
14505 gameMode == EndOfGame)
14508 if (gameMode == EditPosition)
14509 EditPositionDone(TRUE);
14511 if (WhiteOnMove(currentMove)) {
14512 DisplayError(_("It is not Black's turn"), 0);
14516 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14519 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14520 gameMode == AnalyzeFile)
14523 ResurrectChessProgram(); /* in case it isn't running */
14524 gameMode = MachinePlaysBlack;
14528 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14530 if (first.sendName) {
14531 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14532 SendToProgram(buf, &first);
14534 if (first.sendTime) {
14535 if (first.useColors) {
14536 SendToProgram("white\n", &first); /*gnu kludge*/
14538 SendTimeRemaining(&first, FALSE);
14540 if (first.useColors) {
14541 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14543 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14544 SetMachineThinkingEnables();
14545 first.maybeThinking = TRUE;
14548 if (appData.autoFlipView && flipView) {
14549 flipView = !flipView;
14550 DrawPosition(FALSE, NULL);
14551 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14553 if(bookHit) { // [HGM] book: simulate book reply
14554 static char bookMove[MSG_SIZ]; // a bit generous?
14556 programStats.nodes = programStats.depth = programStats.time =
14557 programStats.score = programStats.got_only_move = 0;
14558 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14560 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14561 strcat(bookMove, bookHit);
14562 HandleMachineMove(bookMove, &first);
14568 DisplayTwoMachinesTitle ()
14571 if (appData.matchGames > 0) {
14572 if(appData.tourneyFile[0]) {
14573 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14574 gameInfo.white, _("vs."), gameInfo.black,
14575 nextGame+1, appData.matchGames+1,
14576 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14578 if (first.twoMachinesColor[0] == 'w') {
14579 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14580 gameInfo.white, _("vs."), gameInfo.black,
14581 first.matchWins, second.matchWins,
14582 matchGame - 1 - (first.matchWins + second.matchWins));
14584 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14585 gameInfo.white, _("vs."), gameInfo.black,
14586 second.matchWins, first.matchWins,
14587 matchGame - 1 - (first.matchWins + second.matchWins));
14590 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14596 SettingsMenuIfReady ()
14598 if (second.lastPing != second.lastPong) {
14599 DisplayMessage("", _("Waiting for second chess program"));
14600 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14604 DisplayMessage("", "");
14605 SettingsPopUp(&second);
14609 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14612 if (cps->pr == NoProc) {
14613 StartChessProgram(cps);
14614 if (cps->protocolVersion == 1) {
14616 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14618 /* kludge: allow timeout for initial "feature" command */
14619 if(retry != TwoMachinesEventIfReady) FreezeUI();
14620 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14621 DisplayMessage("", buf);
14622 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14630 TwoMachinesEvent P((void))
14634 ChessProgramState *onmove;
14635 char *bookHit = NULL;
14636 static int stalling = 0;
14640 if (appData.noChessProgram) return;
14642 switch (gameMode) {
14643 case TwoMachinesPlay:
14645 case MachinePlaysWhite:
14646 case MachinePlaysBlack:
14647 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14648 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14652 case BeginningOfGame:
14653 case PlayFromGameFile:
14656 if (gameMode != EditGame) return;
14659 EditPositionDone(TRUE);
14670 // forwardMostMove = currentMove;
14671 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14672 startingEngine = TRUE;
14674 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14676 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14677 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14678 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14681 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14683 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14684 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14685 startingEngine = matchMode = FALSE;
14686 DisplayError("second engine does not play this", 0);
14687 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14688 EditGameEvent(); // switch back to EditGame mode
14693 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14694 SendToProgram("force\n", &second);
14696 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14699 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14700 if(appData.matchPause>10000 || appData.matchPause<10)
14701 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14702 wait = SubtractTimeMarks(&now, &pauseStart);
14703 if(wait < appData.matchPause) {
14704 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14707 // we are now committed to starting the game
14709 DisplayMessage("", "");
14710 if (startedFromSetupPosition) {
14711 SendBoard(&second, backwardMostMove);
14712 if (appData.debugMode) {
14713 fprintf(debugFP, "Two Machines\n");
14716 for (i = backwardMostMove; i < forwardMostMove; i++) {
14717 SendMoveToProgram(i, &second);
14720 gameMode = TwoMachinesPlay;
14721 pausing = startingEngine = FALSE;
14722 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14724 DisplayTwoMachinesTitle();
14726 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14731 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14732 SendToProgram(first.computerString, &first);
14733 if (first.sendName) {
14734 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14735 SendToProgram(buf, &first);
14737 SendToProgram(second.computerString, &second);
14738 if (second.sendName) {
14739 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14740 SendToProgram(buf, &second);
14744 if (!first.sendTime || !second.sendTime) {
14745 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14746 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14748 if (onmove->sendTime) {
14749 if (onmove->useColors) {
14750 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14752 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14754 if (onmove->useColors) {
14755 SendToProgram(onmove->twoMachinesColor, onmove);
14757 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14758 // SendToProgram("go\n", onmove);
14759 onmove->maybeThinking = TRUE;
14760 SetMachineThinkingEnables();
14764 if(bookHit) { // [HGM] book: simulate book reply
14765 static char bookMove[MSG_SIZ]; // a bit generous?
14767 programStats.nodes = programStats.depth = programStats.time =
14768 programStats.score = programStats.got_only_move = 0;
14769 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14771 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14772 strcat(bookMove, bookHit);
14773 savedMessage = bookMove; // args for deferred call
14774 savedState = onmove;
14775 ScheduleDelayedEvent(DeferredBookMove, 1);
14782 if (gameMode == Training) {
14783 SetTrainingModeOff();
14784 gameMode = PlayFromGameFile;
14785 DisplayMessage("", _("Training mode off"));
14787 gameMode = Training;
14788 animateTraining = appData.animate;
14790 /* make sure we are not already at the end of the game */
14791 if (currentMove < forwardMostMove) {
14792 SetTrainingModeOn();
14793 DisplayMessage("", _("Training mode on"));
14795 gameMode = PlayFromGameFile;
14796 DisplayError(_("Already at end of game"), 0);
14805 if (!appData.icsActive) return;
14806 switch (gameMode) {
14807 case IcsPlayingWhite:
14808 case IcsPlayingBlack:
14811 case BeginningOfGame:
14819 EditPositionDone(TRUE);
14832 gameMode = IcsIdle;
14842 switch (gameMode) {
14844 SetTrainingModeOff();
14846 case MachinePlaysWhite:
14847 case MachinePlaysBlack:
14848 case BeginningOfGame:
14849 SendToProgram("force\n", &first);
14850 SetUserThinkingEnables();
14852 case PlayFromGameFile:
14853 (void) StopLoadGameTimer();
14854 if (gameFileFP != NULL) {
14859 EditPositionDone(TRUE);
14864 SendToProgram("force\n", &first);
14866 case TwoMachinesPlay:
14867 GameEnds(EndOfFile, NULL, GE_PLAYER);
14868 ResurrectChessProgram();
14869 SetUserThinkingEnables();
14872 ResurrectChessProgram();
14874 case IcsPlayingBlack:
14875 case IcsPlayingWhite:
14876 DisplayError(_("Warning: You are still playing a game"), 0);
14879 DisplayError(_("Warning: You are still observing a game"), 0);
14882 DisplayError(_("Warning: You are still examining a game"), 0);
14893 first.offeredDraw = second.offeredDraw = 0;
14895 if (gameMode == PlayFromGameFile) {
14896 whiteTimeRemaining = timeRemaining[0][currentMove];
14897 blackTimeRemaining = timeRemaining[1][currentMove];
14901 if (gameMode == MachinePlaysWhite ||
14902 gameMode == MachinePlaysBlack ||
14903 gameMode == TwoMachinesPlay ||
14904 gameMode == EndOfGame) {
14905 i = forwardMostMove;
14906 while (i > currentMove) {
14907 SendToProgram("undo\n", &first);
14910 if(!adjustedClock) {
14911 whiteTimeRemaining = timeRemaining[0][currentMove];
14912 blackTimeRemaining = timeRemaining[1][currentMove];
14913 DisplayBothClocks();
14915 if (whiteFlag || blackFlag) {
14916 whiteFlag = blackFlag = 0;
14921 gameMode = EditGame;
14928 EditPositionEvent ()
14930 if (gameMode == EditPosition) {
14936 if (gameMode != EditGame) return;
14938 gameMode = EditPosition;
14941 if (currentMove > 0)
14942 CopyBoard(boards[0], boards[currentMove]);
14944 blackPlaysFirst = !WhiteOnMove(currentMove);
14946 currentMove = forwardMostMove = backwardMostMove = 0;
14947 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14949 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14955 /* [DM] icsEngineAnalyze - possible call from other functions */
14956 if (appData.icsEngineAnalyze) {
14957 appData.icsEngineAnalyze = FALSE;
14959 DisplayMessage("",_("Close ICS engine analyze..."));
14961 if (first.analysisSupport && first.analyzing) {
14962 SendToBoth("exit\n");
14963 first.analyzing = second.analyzing = FALSE;
14965 thinkOutput[0] = NULLCHAR;
14969 EditPositionDone (Boolean fakeRights)
14971 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14973 startedFromSetupPosition = TRUE;
14974 InitChessProgram(&first, FALSE);
14975 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14976 boards[0][EP_STATUS] = EP_NONE;
14977 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14978 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14979 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14980 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14981 } else boards[0][CASTLING][2] = NoRights;
14982 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14983 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14984 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14985 } else boards[0][CASTLING][5] = NoRights;
14986 if(gameInfo.variant == VariantSChess) {
14988 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14989 boards[0][VIRGIN][i] = 0;
14990 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14991 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14995 SendToProgram("force\n", &first);
14996 if (blackPlaysFirst) {
14997 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14998 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14999 currentMove = forwardMostMove = backwardMostMove = 1;
15000 CopyBoard(boards[1], boards[0]);
15002 currentMove = forwardMostMove = backwardMostMove = 0;
15004 SendBoard(&first, forwardMostMove);
15005 if (appData.debugMode) {
15006 fprintf(debugFP, "EditPosDone\n");
15009 DisplayMessage("", "");
15010 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15011 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15012 gameMode = EditGame;
15014 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15015 ClearHighlights(); /* [AS] */
15018 /* Pause for `ms' milliseconds */
15019 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15021 TimeDelay (long ms)
15028 } while (SubtractTimeMarks(&m2, &m1) < ms);
15031 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15033 SendMultiLineToICS (char *buf)
15035 char temp[MSG_SIZ+1], *p;
15042 strncpy(temp, buf, len);
15047 if (*p == '\n' || *p == '\r')
15052 strcat(temp, "\n");
15054 SendToPlayer(temp, strlen(temp));
15058 SetWhiteToPlayEvent ()
15060 if (gameMode == EditPosition) {
15061 blackPlaysFirst = FALSE;
15062 DisplayBothClocks(); /* works because currentMove is 0 */
15063 } else if (gameMode == IcsExamining) {
15064 SendToICS(ics_prefix);
15065 SendToICS("tomove white\n");
15070 SetBlackToPlayEvent ()
15072 if (gameMode == EditPosition) {
15073 blackPlaysFirst = TRUE;
15074 currentMove = 1; /* kludge */
15075 DisplayBothClocks();
15077 } else if (gameMode == IcsExamining) {
15078 SendToICS(ics_prefix);
15079 SendToICS("tomove black\n");
15084 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15087 ChessSquare piece = boards[0][y][x];
15088 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15089 static int lastVariant;
15091 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15093 switch (selection) {
15095 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15096 MarkTargetSquares(1);
15097 CopyBoard(currentBoard, boards[0]);
15098 CopyBoard(menuBoard, initialPosition);
15099 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15100 SendToICS(ics_prefix);
15101 SendToICS("bsetup clear\n");
15102 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15103 SendToICS(ics_prefix);
15104 SendToICS("clearboard\n");
15107 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15108 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15109 for (y = 0; y < BOARD_HEIGHT; y++) {
15110 if (gameMode == IcsExamining) {
15111 if (boards[currentMove][y][x] != EmptySquare) {
15112 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15117 if(boards[0][y][x] != p) nonEmpty++;
15118 boards[0][y][x] = p;
15122 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15124 for(r = 0; r < BOARD_HEIGHT; r++) {
15125 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15126 ChessSquare p = menuBoard[r][x];
15127 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15130 DisplayMessage("Clicking clock again restores position", "");
15131 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15132 if(!nonEmpty) { // asked to clear an empty board
15133 CopyBoard(boards[0], menuBoard);
15135 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15136 CopyBoard(boards[0], initialPosition);
15138 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15139 && !CompareBoards(nullBoard, erasedBoard)) {
15140 CopyBoard(boards[0], erasedBoard);
15142 CopyBoard(erasedBoard, currentBoard);
15146 if (gameMode == EditPosition) {
15147 DrawPosition(FALSE, boards[0]);
15152 SetWhiteToPlayEvent();
15156 SetBlackToPlayEvent();
15160 if (gameMode == IcsExamining) {
15161 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15162 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15165 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15166 if(x == BOARD_LEFT-2) {
15167 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15168 boards[0][y][1] = 0;
15170 if(x == BOARD_RGHT+1) {
15171 if(y >= gameInfo.holdingsSize) break;
15172 boards[0][y][BOARD_WIDTH-2] = 0;
15175 boards[0][y][x] = EmptySquare;
15176 DrawPosition(FALSE, boards[0]);
15181 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15182 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15183 selection = (ChessSquare) (PROMOTED piece);
15184 } else if(piece == EmptySquare) selection = WhiteSilver;
15185 else selection = (ChessSquare)((int)piece - 1);
15189 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15190 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15191 selection = (ChessSquare) (DEMOTED piece);
15192 } else if(piece == EmptySquare) selection = BlackSilver;
15193 else selection = (ChessSquare)((int)piece + 1);
15198 if(gameInfo.variant == VariantShatranj ||
15199 gameInfo.variant == VariantXiangqi ||
15200 gameInfo.variant == VariantCourier ||
15201 gameInfo.variant == VariantASEAN ||
15202 gameInfo.variant == VariantMakruk )
15203 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15208 if(gameInfo.variant == VariantXiangqi)
15209 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15210 if(gameInfo.variant == VariantKnightmate)
15211 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15214 if (gameMode == IcsExamining) {
15215 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15216 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15217 PieceToChar(selection), AAA + x, ONE + y);
15220 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15222 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15223 n = PieceToNumber(selection - BlackPawn);
15224 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15225 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15226 boards[0][BOARD_HEIGHT-1-n][1]++;
15228 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15229 n = PieceToNumber(selection);
15230 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15231 boards[0][n][BOARD_WIDTH-1] = selection;
15232 boards[0][n][BOARD_WIDTH-2]++;
15235 boards[0][y][x] = selection;
15236 DrawPosition(TRUE, boards[0]);
15238 fromX = fromY = -1;
15246 DropMenuEvent (ChessSquare selection, int x, int y)
15248 ChessMove moveType;
15250 switch (gameMode) {
15251 case IcsPlayingWhite:
15252 case MachinePlaysBlack:
15253 if (!WhiteOnMove(currentMove)) {
15254 DisplayMoveError(_("It is Black's turn"));
15257 moveType = WhiteDrop;
15259 case IcsPlayingBlack:
15260 case MachinePlaysWhite:
15261 if (WhiteOnMove(currentMove)) {
15262 DisplayMoveError(_("It is White's turn"));
15265 moveType = BlackDrop;
15268 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15274 if (moveType == BlackDrop && selection < BlackPawn) {
15275 selection = (ChessSquare) ((int) selection
15276 + (int) BlackPawn - (int) WhitePawn);
15278 if (boards[currentMove][y][x] != EmptySquare) {
15279 DisplayMoveError(_("That square is occupied"));
15283 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15289 /* Accept a pending offer of any kind from opponent */
15291 if (appData.icsActive) {
15292 SendToICS(ics_prefix);
15293 SendToICS("accept\n");
15294 } else if (cmailMsgLoaded) {
15295 if (currentMove == cmailOldMove &&
15296 commentList[cmailOldMove] != NULL &&
15297 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15298 "Black offers a draw" : "White offers a draw")) {
15300 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15301 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15303 DisplayError(_("There is no pending offer on this move"), 0);
15304 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15307 /* Not used for offers from chess program */
15314 /* Decline a pending offer of any kind from opponent */
15316 if (appData.icsActive) {
15317 SendToICS(ics_prefix);
15318 SendToICS("decline\n");
15319 } else if (cmailMsgLoaded) {
15320 if (currentMove == cmailOldMove &&
15321 commentList[cmailOldMove] != NULL &&
15322 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15323 "Black offers a draw" : "White offers a draw")) {
15325 AppendComment(cmailOldMove, "Draw declined", TRUE);
15326 DisplayComment(cmailOldMove - 1, "Draw declined");
15329 DisplayError(_("There is no pending offer on this move"), 0);
15332 /* Not used for offers from chess program */
15339 /* Issue ICS rematch command */
15340 if (appData.icsActive) {
15341 SendToICS(ics_prefix);
15342 SendToICS("rematch\n");
15349 /* Call your opponent's flag (claim a win on time) */
15350 if (appData.icsActive) {
15351 SendToICS(ics_prefix);
15352 SendToICS("flag\n");
15354 switch (gameMode) {
15357 case MachinePlaysWhite:
15360 GameEnds(GameIsDrawn, "Both players ran out of time",
15363 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15365 DisplayError(_("Your opponent is not out of time"), 0);
15368 case MachinePlaysBlack:
15371 GameEnds(GameIsDrawn, "Both players ran out of time",
15374 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15376 DisplayError(_("Your opponent is not out of time"), 0);
15384 ClockClick (int which)
15385 { // [HGM] code moved to back-end from winboard.c
15386 if(which) { // black clock
15387 if (gameMode == EditPosition || gameMode == IcsExamining) {
15388 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15389 SetBlackToPlayEvent();
15390 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15391 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15392 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15393 } else if (shiftKey) {
15394 AdjustClock(which, -1);
15395 } else if (gameMode == IcsPlayingWhite ||
15396 gameMode == MachinePlaysBlack) {
15399 } else { // white clock
15400 if (gameMode == EditPosition || gameMode == IcsExamining) {
15401 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15402 SetWhiteToPlayEvent();
15403 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15404 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15405 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15406 } else if (shiftKey) {
15407 AdjustClock(which, -1);
15408 } else if (gameMode == IcsPlayingBlack ||
15409 gameMode == MachinePlaysWhite) {
15418 /* Offer draw or accept pending draw offer from opponent */
15420 if (appData.icsActive) {
15421 /* Note: tournament rules require draw offers to be
15422 made after you make your move but before you punch
15423 your clock. Currently ICS doesn't let you do that;
15424 instead, you immediately punch your clock after making
15425 a move, but you can offer a draw at any time. */
15427 SendToICS(ics_prefix);
15428 SendToICS("draw\n");
15429 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15430 } else if (cmailMsgLoaded) {
15431 if (currentMove == cmailOldMove &&
15432 commentList[cmailOldMove] != NULL &&
15433 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15434 "Black offers a draw" : "White offers a draw")) {
15435 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15436 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15437 } else if (currentMove == cmailOldMove + 1) {
15438 char *offer = WhiteOnMove(cmailOldMove) ?
15439 "White offers a draw" : "Black offers a draw";
15440 AppendComment(currentMove, offer, TRUE);
15441 DisplayComment(currentMove - 1, offer);
15442 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15444 DisplayError(_("You must make your move before offering a draw"), 0);
15445 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15447 } else if (first.offeredDraw) {
15448 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15450 if (first.sendDrawOffers) {
15451 SendToProgram("draw\n", &first);
15452 userOfferedDraw = TRUE;
15460 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15462 if (appData.icsActive) {
15463 SendToICS(ics_prefix);
15464 SendToICS("adjourn\n");
15466 /* Currently GNU Chess doesn't offer or accept Adjourns */
15474 /* Offer Abort or accept pending Abort offer from opponent */
15476 if (appData.icsActive) {
15477 SendToICS(ics_prefix);
15478 SendToICS("abort\n");
15480 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15487 /* Resign. You can do this even if it's not your turn. */
15489 if (appData.icsActive) {
15490 SendToICS(ics_prefix);
15491 SendToICS("resign\n");
15493 switch (gameMode) {
15494 case MachinePlaysWhite:
15495 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15497 case MachinePlaysBlack:
15498 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15501 if (cmailMsgLoaded) {
15503 if (WhiteOnMove(cmailOldMove)) {
15504 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15506 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15508 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15519 StopObservingEvent ()
15521 /* Stop observing current games */
15522 SendToICS(ics_prefix);
15523 SendToICS("unobserve\n");
15527 StopExaminingEvent ()
15529 /* Stop observing current game */
15530 SendToICS(ics_prefix);
15531 SendToICS("unexamine\n");
15535 ForwardInner (int target)
15537 int limit; int oldSeekGraphUp = seekGraphUp;
15539 if (appData.debugMode)
15540 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15541 target, currentMove, forwardMostMove);
15543 if (gameMode == EditPosition)
15546 seekGraphUp = FALSE;
15547 MarkTargetSquares(1);
15548 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15550 if (gameMode == PlayFromGameFile && !pausing)
15553 if (gameMode == IcsExamining && pausing)
15554 limit = pauseExamForwardMostMove;
15556 limit = forwardMostMove;
15558 if (target > limit) target = limit;
15560 if (target > 0 && moveList[target - 1][0]) {
15561 int fromX, fromY, toX, toY;
15562 toX = moveList[target - 1][2] - AAA;
15563 toY = moveList[target - 1][3] - ONE;
15564 if (moveList[target - 1][1] == '@') {
15565 if (appData.highlightLastMove) {
15566 SetHighlights(-1, -1, toX, toY);
15569 int viaX = moveList[target - 1][5] - AAA;
15570 int viaY = moveList[target - 1][6] - ONE;
15571 fromX = moveList[target - 1][0] - AAA;
15572 fromY = moveList[target - 1][1] - ONE;
15573 if (target == currentMove + 1) {
15574 if(moveList[target - 1][4] == ';') { // multi-leg
15575 ChessSquare piece = boards[currentMove][viaY][viaX];
15576 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15577 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15578 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15579 boards[currentMove][viaY][viaX] = piece;
15581 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15583 if (appData.highlightLastMove) {
15584 SetHighlights(fromX, fromY, toX, toY);
15588 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15589 gameMode == Training || gameMode == PlayFromGameFile ||
15590 gameMode == AnalyzeFile) {
15591 while (currentMove < target) {
15592 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15593 SendMoveToProgram(currentMove++, &first);
15596 currentMove = target;
15599 if (gameMode == EditGame || gameMode == EndOfGame) {
15600 whiteTimeRemaining = timeRemaining[0][currentMove];
15601 blackTimeRemaining = timeRemaining[1][currentMove];
15603 DisplayBothClocks();
15604 DisplayMove(currentMove - 1);
15605 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15606 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15607 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15608 DisplayComment(currentMove - 1, commentList[currentMove]);
15610 ClearMap(); // [HGM] exclude: invalidate map
15617 if (gameMode == IcsExamining && !pausing) {
15618 SendToICS(ics_prefix);
15619 SendToICS("forward\n");
15621 ForwardInner(currentMove + 1);
15628 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15629 /* to optimze, we temporarily turn off analysis mode while we feed
15630 * the remaining moves to the engine. Otherwise we get analysis output
15633 if (first.analysisSupport) {
15634 SendToProgram("exit\nforce\n", &first);
15635 first.analyzing = FALSE;
15639 if (gameMode == IcsExamining && !pausing) {
15640 SendToICS(ics_prefix);
15641 SendToICS("forward 999999\n");
15643 ForwardInner(forwardMostMove);
15646 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15647 /* we have fed all the moves, so reactivate analysis mode */
15648 SendToProgram("analyze\n", &first);
15649 first.analyzing = TRUE;
15650 /*first.maybeThinking = TRUE;*/
15651 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15656 BackwardInner (int target)
15658 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15660 if (appData.debugMode)
15661 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15662 target, currentMove, forwardMostMove);
15664 if (gameMode == EditPosition) return;
15665 seekGraphUp = FALSE;
15666 MarkTargetSquares(1);
15667 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15668 if (currentMove <= backwardMostMove) {
15670 DrawPosition(full_redraw, boards[currentMove]);
15673 if (gameMode == PlayFromGameFile && !pausing)
15676 if (moveList[target][0]) {
15677 int fromX, fromY, toX, toY;
15678 toX = moveList[target][2] - AAA;
15679 toY = moveList[target][3] - ONE;
15680 if (moveList[target][1] == '@') {
15681 if (appData.highlightLastMove) {
15682 SetHighlights(-1, -1, toX, toY);
15685 fromX = moveList[target][0] - AAA;
15686 fromY = moveList[target][1] - ONE;
15687 if (target == currentMove - 1) {
15688 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15690 if (appData.highlightLastMove) {
15691 SetHighlights(fromX, fromY, toX, toY);
15695 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15696 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15697 while (currentMove > target) {
15698 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15699 // null move cannot be undone. Reload program with move history before it.
15701 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15702 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15704 SendBoard(&first, i);
15705 if(second.analyzing) SendBoard(&second, i);
15706 for(currentMove=i; currentMove<target; currentMove++) {
15707 SendMoveToProgram(currentMove, &first);
15708 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15712 SendToBoth("undo\n");
15716 currentMove = target;
15719 if (gameMode == EditGame || gameMode == EndOfGame) {
15720 whiteTimeRemaining = timeRemaining[0][currentMove];
15721 blackTimeRemaining = timeRemaining[1][currentMove];
15723 DisplayBothClocks();
15724 DisplayMove(currentMove - 1);
15725 DrawPosition(full_redraw, boards[currentMove]);
15726 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15727 // [HGM] PV info: routine tests if comment empty
15728 DisplayComment(currentMove - 1, commentList[currentMove]);
15729 ClearMap(); // [HGM] exclude: invalidate map
15735 if (gameMode == IcsExamining && !pausing) {
15736 SendToICS(ics_prefix);
15737 SendToICS("backward\n");
15739 BackwardInner(currentMove - 1);
15746 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15747 /* to optimize, we temporarily turn off analysis mode while we undo
15748 * all the moves. Otherwise we get analysis output after each undo.
15750 if (first.analysisSupport) {
15751 SendToProgram("exit\nforce\n", &first);
15752 first.analyzing = FALSE;
15756 if (gameMode == IcsExamining && !pausing) {
15757 SendToICS(ics_prefix);
15758 SendToICS("backward 999999\n");
15760 BackwardInner(backwardMostMove);
15763 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15764 /* we have fed all the moves, so reactivate analysis mode */
15765 SendToProgram("analyze\n", &first);
15766 first.analyzing = TRUE;
15767 /*first.maybeThinking = TRUE;*/
15768 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15775 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15776 if (to >= forwardMostMove) to = forwardMostMove;
15777 if (to <= backwardMostMove) to = backwardMostMove;
15778 if (to < currentMove) {
15786 RevertEvent (Boolean annotate)
15788 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15791 if (gameMode != IcsExamining) {
15792 DisplayError(_("You are not examining a game"), 0);
15796 DisplayError(_("You can't revert while pausing"), 0);
15799 SendToICS(ics_prefix);
15800 SendToICS("revert\n");
15804 RetractMoveEvent ()
15806 switch (gameMode) {
15807 case MachinePlaysWhite:
15808 case MachinePlaysBlack:
15809 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15810 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15813 if (forwardMostMove < 2) return;
15814 currentMove = forwardMostMove = forwardMostMove - 2;
15815 whiteTimeRemaining = timeRemaining[0][currentMove];
15816 blackTimeRemaining = timeRemaining[1][currentMove];
15817 DisplayBothClocks();
15818 DisplayMove(currentMove - 1);
15819 ClearHighlights();/*!! could figure this out*/
15820 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15821 SendToProgram("remove\n", &first);
15822 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15825 case BeginningOfGame:
15829 case IcsPlayingWhite:
15830 case IcsPlayingBlack:
15831 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15832 SendToICS(ics_prefix);
15833 SendToICS("takeback 2\n");
15835 SendToICS(ics_prefix);
15836 SendToICS("takeback 1\n");
15845 ChessProgramState *cps;
15847 switch (gameMode) {
15848 case MachinePlaysWhite:
15849 if (!WhiteOnMove(forwardMostMove)) {
15850 DisplayError(_("It is your turn"), 0);
15855 case MachinePlaysBlack:
15856 if (WhiteOnMove(forwardMostMove)) {
15857 DisplayError(_("It is your turn"), 0);
15862 case TwoMachinesPlay:
15863 if (WhiteOnMove(forwardMostMove) ==
15864 (first.twoMachinesColor[0] == 'w')) {
15870 case BeginningOfGame:
15874 SendToProgram("?\n", cps);
15878 TruncateGameEvent ()
15881 if (gameMode != EditGame) return;
15888 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15889 if (forwardMostMove > currentMove) {
15890 if (gameInfo.resultDetails != NULL) {
15891 free(gameInfo.resultDetails);
15892 gameInfo.resultDetails = NULL;
15893 gameInfo.result = GameUnfinished;
15895 forwardMostMove = currentMove;
15896 HistorySet(parseList, backwardMostMove, forwardMostMove,
15904 if (appData.noChessProgram) return;
15905 switch (gameMode) {
15906 case MachinePlaysWhite:
15907 if (WhiteOnMove(forwardMostMove)) {
15908 DisplayError(_("Wait until your turn."), 0);
15912 case BeginningOfGame:
15913 case MachinePlaysBlack:
15914 if (!WhiteOnMove(forwardMostMove)) {
15915 DisplayError(_("Wait until your turn."), 0);
15920 DisplayError(_("No hint available"), 0);
15923 SendToProgram("hint\n", &first);
15924 hintRequested = TRUE;
15928 SaveSelected (FILE *g, int dummy, char *dummy2)
15930 ListGame * lg = (ListGame *) gameList.head;
15934 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15935 DisplayError(_("Game list not loaded or empty"), 0);
15939 creatingBook = TRUE; // suppresses stuff during load game
15941 /* Get list size */
15942 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15943 if(lg->position >= 0) { // selected?
15944 LoadGame(f, nItem, "", TRUE);
15945 SaveGamePGN2(g); // leaves g open
15948 lg = (ListGame *) lg->node.succ;
15952 creatingBook = FALSE;
15960 ListGame * lg = (ListGame *) gameList.head;
15963 static int secondTime = FALSE;
15965 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15966 DisplayError(_("Game list not loaded or empty"), 0);
15970 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15973 DisplayNote(_("Book file exists! Try again for overwrite."));
15977 creatingBook = TRUE;
15978 secondTime = FALSE;
15980 /* Get list size */
15981 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15982 if(lg->position >= 0) {
15983 LoadGame(f, nItem, "", TRUE);
15984 AddGameToBook(TRUE);
15987 lg = (ListGame *) lg->node.succ;
15990 creatingBook = FALSE;
15997 if (appData.noChessProgram) return;
15998 switch (gameMode) {
15999 case MachinePlaysWhite:
16000 if (WhiteOnMove(forwardMostMove)) {
16001 DisplayError(_("Wait until your turn."), 0);
16005 case BeginningOfGame:
16006 case MachinePlaysBlack:
16007 if (!WhiteOnMove(forwardMostMove)) {
16008 DisplayError(_("Wait until your turn."), 0);
16013 EditPositionDone(TRUE);
16015 case TwoMachinesPlay:
16020 SendToProgram("bk\n", &first);
16021 bookOutput[0] = NULLCHAR;
16022 bookRequested = TRUE;
16028 char *tags = PGNTags(&gameInfo);
16029 TagsPopUp(tags, CmailMsg());
16033 /* end button procedures */
16036 PrintPosition (FILE *fp, int move)
16040 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16041 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16042 char c = PieceToChar(boards[move][i][j]);
16043 fputc(c == 'x' ? '.' : c, fp);
16044 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16047 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16048 fprintf(fp, "white to play\n");
16050 fprintf(fp, "black to play\n");
16054 PrintOpponents (FILE *fp)
16056 if (gameInfo.white != NULL) {
16057 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16063 /* Find last component of program's own name, using some heuristics */
16065 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16068 int local = (strcmp(host, "localhost") == 0);
16069 while (!local && (p = strchr(prog, ';')) != NULL) {
16071 while (*p == ' ') p++;
16074 if (*prog == '"' || *prog == '\'') {
16075 q = strchr(prog + 1, *prog);
16077 q = strchr(prog, ' ');
16079 if (q == NULL) q = prog + strlen(prog);
16081 while (p >= prog && *p != '/' && *p != '\\') p--;
16083 if(p == prog && *p == '"') p++;
16085 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16086 memcpy(buf, p, q - p);
16087 buf[q - p] = NULLCHAR;
16095 TimeControlTagValue ()
16098 if (!appData.clockMode) {
16099 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16100 } else if (movesPerSession > 0) {
16101 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16102 } else if (timeIncrement == 0) {
16103 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16105 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16107 return StrSave(buf);
16113 /* This routine is used only for certain modes */
16114 VariantClass v = gameInfo.variant;
16115 ChessMove r = GameUnfinished;
16118 if(keepInfo) return;
16120 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16121 r = gameInfo.result;
16122 p = gameInfo.resultDetails;
16123 gameInfo.resultDetails = NULL;
16125 ClearGameInfo(&gameInfo);
16126 gameInfo.variant = v;
16128 switch (gameMode) {
16129 case MachinePlaysWhite:
16130 gameInfo.event = StrSave( appData.pgnEventHeader );
16131 gameInfo.site = StrSave(HostName());
16132 gameInfo.date = PGNDate();
16133 gameInfo.round = StrSave("-");
16134 gameInfo.white = StrSave(first.tidy);
16135 gameInfo.black = StrSave(UserName());
16136 gameInfo.timeControl = TimeControlTagValue();
16139 case MachinePlaysBlack:
16140 gameInfo.event = StrSave( appData.pgnEventHeader );
16141 gameInfo.site = StrSave(HostName());
16142 gameInfo.date = PGNDate();
16143 gameInfo.round = StrSave("-");
16144 gameInfo.white = StrSave(UserName());
16145 gameInfo.black = StrSave(first.tidy);
16146 gameInfo.timeControl = TimeControlTagValue();
16149 case TwoMachinesPlay:
16150 gameInfo.event = StrSave( appData.pgnEventHeader );
16151 gameInfo.site = StrSave(HostName());
16152 gameInfo.date = PGNDate();
16155 snprintf(buf, MSG_SIZ, "%d", roundNr);
16156 gameInfo.round = StrSave(buf);
16158 gameInfo.round = StrSave("-");
16160 if (first.twoMachinesColor[0] == 'w') {
16161 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16162 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16164 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16165 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16167 gameInfo.timeControl = TimeControlTagValue();
16171 gameInfo.event = StrSave("Edited game");
16172 gameInfo.site = StrSave(HostName());
16173 gameInfo.date = PGNDate();
16174 gameInfo.round = StrSave("-");
16175 gameInfo.white = StrSave("-");
16176 gameInfo.black = StrSave("-");
16177 gameInfo.result = r;
16178 gameInfo.resultDetails = p;
16182 gameInfo.event = StrSave("Edited position");
16183 gameInfo.site = StrSave(HostName());
16184 gameInfo.date = PGNDate();
16185 gameInfo.round = StrSave("-");
16186 gameInfo.white = StrSave("-");
16187 gameInfo.black = StrSave("-");
16190 case IcsPlayingWhite:
16191 case IcsPlayingBlack:
16196 case PlayFromGameFile:
16197 gameInfo.event = StrSave("Game from non-PGN file");
16198 gameInfo.site = StrSave(HostName());
16199 gameInfo.date = PGNDate();
16200 gameInfo.round = StrSave("-");
16201 gameInfo.white = StrSave("?");
16202 gameInfo.black = StrSave("?");
16211 ReplaceComment (int index, char *text)
16217 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16218 pvInfoList[index-1].depth == len &&
16219 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16220 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16221 while (*text == '\n') text++;
16222 len = strlen(text);
16223 while (len > 0 && text[len - 1] == '\n') len--;
16225 if (commentList[index] != NULL)
16226 free(commentList[index]);
16229 commentList[index] = NULL;
16232 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16233 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16234 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16235 commentList[index] = (char *) malloc(len + 2);
16236 strncpy(commentList[index], text, len);
16237 commentList[index][len] = '\n';
16238 commentList[index][len + 1] = NULLCHAR;
16240 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16242 commentList[index] = (char *) malloc(len + 7);
16243 safeStrCpy(commentList[index], "{\n", 3);
16244 safeStrCpy(commentList[index]+2, text, len+1);
16245 commentList[index][len+2] = NULLCHAR;
16246 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16247 strcat(commentList[index], "\n}\n");
16252 CrushCRs (char *text)
16260 if (ch == '\r') continue;
16262 } while (ch != '\0');
16266 AppendComment (int index, char *text, Boolean addBraces)
16267 /* addBraces tells if we should add {} */
16272 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16273 if(addBraces == 3) addBraces = 0; else // force appending literally
16274 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16277 while (*text == '\n') text++;
16278 len = strlen(text);
16279 while (len > 0 && text[len - 1] == '\n') len--;
16280 text[len] = NULLCHAR;
16282 if (len == 0) return;
16284 if (commentList[index] != NULL) {
16285 Boolean addClosingBrace = addBraces;
16286 old = commentList[index];
16287 oldlen = strlen(old);
16288 while(commentList[index][oldlen-1] == '\n')
16289 commentList[index][--oldlen] = NULLCHAR;
16290 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16291 safeStrCpy(commentList[index], old, oldlen + len + 6);
16293 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16294 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16295 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16296 while (*text == '\n') { text++; len--; }
16297 commentList[index][--oldlen] = NULLCHAR;
16299 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16300 else strcat(commentList[index], "\n");
16301 strcat(commentList[index], text);
16302 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16303 else strcat(commentList[index], "\n");
16305 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16307 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16308 else commentList[index][0] = NULLCHAR;
16309 strcat(commentList[index], text);
16310 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16311 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16316 FindStr (char * text, char * sub_text)
16318 char * result = strstr( text, sub_text );
16320 if( result != NULL ) {
16321 result += strlen( sub_text );
16327 /* [AS] Try to extract PV info from PGN comment */
16328 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16330 GetInfoFromComment (int index, char * text)
16332 char * sep = text, *p;
16334 if( text != NULL && index > 0 ) {
16337 int time = -1, sec = 0, deci;
16338 char * s_eval = FindStr( text, "[%eval " );
16339 char * s_emt = FindStr( text, "[%emt " );
16341 if( s_eval != NULL || s_emt != NULL ) {
16343 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16348 if( s_eval != NULL ) {
16349 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16353 if( delim != ']' ) {
16358 if( s_emt != NULL ) {
16363 /* We expect something like: [+|-]nnn.nn/dd */
16366 if(*text != '{') return text; // [HGM] braces: must be normal comment
16368 sep = strchr( text, '/' );
16369 if( sep == NULL || sep < (text+4) ) {
16374 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16375 if(p[1] == '(') { // comment starts with PV
16376 p = strchr(p, ')'); // locate end of PV
16377 if(p == NULL || sep < p+5) return text;
16378 // at this point we have something like "{(.*) +0.23/6 ..."
16379 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16380 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16381 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16383 time = -1; sec = -1; deci = -1;
16384 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16385 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16386 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16387 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16391 if( score_lo < 0 || score_lo >= 100 ) {
16395 if(sec >= 0) time = 600*time + 10*sec; else
16396 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16398 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16400 /* [HGM] PV time: now locate end of PV info */
16401 while( *++sep >= '0' && *sep <= '9'); // strip depth
16403 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16405 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16407 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16408 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16419 pvInfoList[index-1].depth = depth;
16420 pvInfoList[index-1].score = score;
16421 pvInfoList[index-1].time = 10*time; // centi-sec
16422 if(*sep == '}') *sep = 0; else *--sep = '{';
16423 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16429 SendToProgram (char *message, ChessProgramState *cps)
16431 int count, outCount, error;
16434 if (cps->pr == NoProc) return;
16437 if (appData.debugMode) {
16440 fprintf(debugFP, "%ld >%-6s: %s",
16441 SubtractTimeMarks(&now, &programStartTime),
16442 cps->which, message);
16444 fprintf(serverFP, "%ld >%-6s: %s",
16445 SubtractTimeMarks(&now, &programStartTime),
16446 cps->which, message), fflush(serverFP);
16449 count = strlen(message);
16450 outCount = OutputToProcess(cps->pr, message, count, &error);
16451 if (outCount < count && !exiting
16452 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16453 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16454 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16455 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16456 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16457 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16458 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16459 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16461 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16462 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16463 gameInfo.result = res;
16465 gameInfo.resultDetails = StrSave(buf);
16467 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16468 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16473 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16477 ChessProgramState *cps = (ChessProgramState *)closure;
16479 if (isr != cps->isr) return; /* Killed intentionally */
16482 RemoveInputSource(cps->isr);
16483 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16484 _(cps->which), cps->program);
16485 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16486 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16487 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16488 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16489 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16490 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16492 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16493 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16494 gameInfo.result = res;
16496 gameInfo.resultDetails = StrSave(buf);
16498 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16499 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16501 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16502 _(cps->which), cps->program);
16503 RemoveInputSource(cps->isr);
16505 /* [AS] Program is misbehaving badly... kill it */
16506 if( count == -2 ) {
16507 DestroyChildProcess( cps->pr, 9 );
16511 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16516 if ((end_str = strchr(message, '\r')) != NULL)
16517 *end_str = NULLCHAR;
16518 if ((end_str = strchr(message, '\n')) != NULL)
16519 *end_str = NULLCHAR;
16521 if (appData.debugMode) {
16522 TimeMark now; int print = 1;
16523 char *quote = ""; char c; int i;
16525 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16526 char start = message[0];
16527 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16528 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16529 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16530 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16531 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16532 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16533 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16534 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16535 sscanf(message, "hint: %c", &c)!=1 &&
16536 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16537 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16538 print = (appData.engineComments >= 2);
16540 message[0] = start; // restore original message
16544 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16545 SubtractTimeMarks(&now, &programStartTime), cps->which,
16549 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16550 SubtractTimeMarks(&now, &programStartTime), cps->which,
16552 message), fflush(serverFP);
16556 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16557 if (appData.icsEngineAnalyze) {
16558 if (strstr(message, "whisper") != NULL ||
16559 strstr(message, "kibitz") != NULL ||
16560 strstr(message, "tellics") != NULL) return;
16563 HandleMachineMove(message, cps);
16568 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16573 if( timeControl_2 > 0 ) {
16574 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16575 tc = timeControl_2;
16578 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16579 inc /= cps->timeOdds;
16580 st /= cps->timeOdds;
16582 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16585 /* Set exact time per move, normally using st command */
16586 if (cps->stKludge) {
16587 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16589 if (seconds == 0) {
16590 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16592 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16595 snprintf(buf, MSG_SIZ, "st %d\n", st);
16598 /* Set conventional or incremental time control, using level command */
16599 if (seconds == 0) {
16600 /* Note old gnuchess bug -- minutes:seconds used to not work.
16601 Fixed in later versions, but still avoid :seconds
16602 when seconds is 0. */
16603 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16605 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16606 seconds, inc/1000.);
16609 SendToProgram(buf, cps);
16611 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16612 /* Orthogonally, limit search to given depth */
16614 if (cps->sdKludge) {
16615 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16617 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16619 SendToProgram(buf, cps);
16622 if(cps->nps >= 0) { /* [HGM] nps */
16623 if(cps->supportsNPS == FALSE)
16624 cps->nps = -1; // don't use if engine explicitly says not supported!
16626 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16627 SendToProgram(buf, cps);
16632 ChessProgramState *
16634 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16636 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16637 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16643 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16645 char message[MSG_SIZ];
16648 /* Note: this routine must be called when the clocks are stopped
16649 or when they have *just* been set or switched; otherwise
16650 it will be off by the time since the current tick started.
16652 if (machineWhite) {
16653 time = whiteTimeRemaining / 10;
16654 otime = blackTimeRemaining / 10;
16656 time = blackTimeRemaining / 10;
16657 otime = whiteTimeRemaining / 10;
16659 /* [HGM] translate opponent's time by time-odds factor */
16660 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16662 if (time <= 0) time = 1;
16663 if (otime <= 0) otime = 1;
16665 snprintf(message, MSG_SIZ, "time %ld\n", time);
16666 SendToProgram(message, cps);
16668 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16669 SendToProgram(message, cps);
16673 EngineDefinedVariant (ChessProgramState *cps, int n)
16674 { // return name of n-th unknown variant that engine supports
16675 static char buf[MSG_SIZ];
16676 char *p, *s = cps->variants;
16677 if(!s) return NULL;
16678 do { // parse string from variants feature
16680 p = strchr(s, ',');
16681 if(p) *p = NULLCHAR;
16682 v = StringToVariant(s);
16683 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16684 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16685 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16686 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16687 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16688 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16689 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16692 if(n < 0) return buf;
16698 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16701 int len = strlen(name);
16704 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16706 sscanf(*p, "%d", &val);
16708 while (**p && **p != ' ')
16710 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16711 SendToProgram(buf, cps);
16718 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16721 int len = strlen(name);
16722 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16724 sscanf(*p, "%d", loc);
16725 while (**p && **p != ' ') (*p)++;
16726 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16727 SendToProgram(buf, cps);
16734 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16737 int len = strlen(name);
16738 if (strncmp((*p), name, len) == 0
16739 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16741 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16742 sscanf(*p, "%[^\"]", *loc);
16743 while (**p && **p != '\"') (*p)++;
16744 if (**p == '\"') (*p)++;
16745 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16746 SendToProgram(buf, cps);
16753 ParseOption (Option *opt, ChessProgramState *cps)
16754 // [HGM] options: process the string that defines an engine option, and determine
16755 // name, type, default value, and allowed value range
16757 char *p, *q, buf[MSG_SIZ];
16758 int n, min = (-1)<<31, max = 1<<31, def;
16760 if(p = strstr(opt->name, " -spin ")) {
16761 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16762 if(max < min) max = min; // enforce consistency
16763 if(def < min) def = min;
16764 if(def > max) def = max;
16769 } else if((p = strstr(opt->name, " -slider "))) {
16770 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16771 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16772 if(max < min) max = min; // enforce consistency
16773 if(def < min) def = min;
16774 if(def > max) def = max;
16778 opt->type = Spin; // Slider;
16779 } else if((p = strstr(opt->name, " -string "))) {
16780 opt->textValue = p+9;
16781 opt->type = TextBox;
16782 } else if((p = strstr(opt->name, " -file "))) {
16783 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16784 opt->textValue = p+7;
16785 opt->type = FileName; // FileName;
16786 } else if((p = strstr(opt->name, " -path "))) {
16787 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16788 opt->textValue = p+7;
16789 opt->type = PathName; // PathName;
16790 } else if(p = strstr(opt->name, " -check ")) {
16791 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16792 opt->value = (def != 0);
16793 opt->type = CheckBox;
16794 } else if(p = strstr(opt->name, " -combo ")) {
16795 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16796 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16797 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16798 opt->value = n = 0;
16799 while(q = StrStr(q, " /// ")) {
16800 n++; *q = 0; // count choices, and null-terminate each of them
16802 if(*q == '*') { // remember default, which is marked with * prefix
16806 cps->comboList[cps->comboCnt++] = q;
16808 cps->comboList[cps->comboCnt++] = NULL;
16810 opt->type = ComboBox;
16811 } else if(p = strstr(opt->name, " -button")) {
16812 opt->type = Button;
16813 } else if(p = strstr(opt->name, " -save")) {
16814 opt->type = SaveButton;
16815 } else return FALSE;
16816 *p = 0; // terminate option name
16817 // now look if the command-line options define a setting for this engine option.
16818 if(cps->optionSettings && cps->optionSettings[0])
16819 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16820 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16821 snprintf(buf, MSG_SIZ, "option %s", p);
16822 if(p = strstr(buf, ",")) *p = 0;
16823 if(q = strchr(buf, '=')) switch(opt->type) {
16825 for(n=0; n<opt->max; n++)
16826 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16829 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16833 opt->value = atoi(q+1);
16838 SendToProgram(buf, cps);
16844 FeatureDone (ChessProgramState *cps, int val)
16846 DelayedEventCallback cb = GetDelayedEvent();
16847 if ((cb == InitBackEnd3 && cps == &first) ||
16848 (cb == SettingsMenuIfReady && cps == &second) ||
16849 (cb == LoadEngine) ||
16850 (cb == TwoMachinesEventIfReady)) {
16851 CancelDelayedEvent();
16852 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16854 cps->initDone = val;
16855 if(val) cps->reload = FALSE;
16858 /* Parse feature command from engine */
16860 ParseFeatures (char *args, ChessProgramState *cps)
16868 while (*p == ' ') p++;
16869 if (*p == NULLCHAR) return;
16871 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16872 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16873 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16874 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16875 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16876 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16877 if (BoolFeature(&p, "reuse", &val, cps)) {
16878 /* Engine can disable reuse, but can't enable it if user said no */
16879 if (!val) cps->reuse = FALSE;
16882 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16883 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16884 if (gameMode == TwoMachinesPlay) {
16885 DisplayTwoMachinesTitle();
16891 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16892 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16893 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16894 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16895 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16896 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16897 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16898 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16899 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16900 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16901 if (IntFeature(&p, "done", &val, cps)) {
16902 FeatureDone(cps, val);
16905 /* Added by Tord: */
16906 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16907 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16908 /* End of additions by Tord */
16910 /* [HGM] added features: */
16911 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16912 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16913 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16914 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16915 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16916 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16917 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16918 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16919 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16920 FREE(cps->option[cps->nrOptions].name);
16921 cps->option[cps->nrOptions].name = q; q = NULL;
16922 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16923 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16924 SendToProgram(buf, cps);
16927 if(cps->nrOptions >= MAX_OPTIONS) {
16929 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16930 DisplayError(buf, 0);
16934 /* End of additions by HGM */
16936 /* unknown feature: complain and skip */
16938 while (*q && *q != '=') q++;
16939 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16940 SendToProgram(buf, cps);
16946 while (*p && *p != '\"') p++;
16947 if (*p == '\"') p++;
16949 while (*p && *p != ' ') p++;
16957 PeriodicUpdatesEvent (int newState)
16959 if (newState == appData.periodicUpdates)
16962 appData.periodicUpdates=newState;
16964 /* Display type changes, so update it now */
16965 // DisplayAnalysis();
16967 /* Get the ball rolling again... */
16969 AnalysisPeriodicEvent(1);
16970 StartAnalysisClock();
16975 PonderNextMoveEvent (int newState)
16977 if (newState == appData.ponderNextMove) return;
16978 if (gameMode == EditPosition) EditPositionDone(TRUE);
16980 SendToProgram("hard\n", &first);
16981 if (gameMode == TwoMachinesPlay) {
16982 SendToProgram("hard\n", &second);
16985 SendToProgram("easy\n", &first);
16986 thinkOutput[0] = NULLCHAR;
16987 if (gameMode == TwoMachinesPlay) {
16988 SendToProgram("easy\n", &second);
16991 appData.ponderNextMove = newState;
16995 NewSettingEvent (int option, int *feature, char *command, int value)
16999 if (gameMode == EditPosition) EditPositionDone(TRUE);
17000 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17001 if(feature == NULL || *feature) SendToProgram(buf, &first);
17002 if (gameMode == TwoMachinesPlay) {
17003 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17008 ShowThinkingEvent ()
17009 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17011 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17012 int newState = appData.showThinking
17013 // [HGM] thinking: other features now need thinking output as well
17014 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17016 if (oldState == newState) return;
17017 oldState = newState;
17018 if (gameMode == EditPosition) EditPositionDone(TRUE);
17020 SendToProgram("post\n", &first);
17021 if (gameMode == TwoMachinesPlay) {
17022 SendToProgram("post\n", &second);
17025 SendToProgram("nopost\n", &first);
17026 thinkOutput[0] = NULLCHAR;
17027 if (gameMode == TwoMachinesPlay) {
17028 SendToProgram("nopost\n", &second);
17031 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17035 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17037 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17038 if (pr == NoProc) return;
17039 AskQuestion(title, question, replyPrefix, pr);
17043 TypeInEvent (char firstChar)
17045 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17046 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17047 gameMode == AnalyzeMode || gameMode == EditGame ||
17048 gameMode == EditPosition || gameMode == IcsExamining ||
17049 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17050 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17051 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17052 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17053 gameMode == Training) PopUpMoveDialog(firstChar);
17057 TypeInDoneEvent (char *move)
17060 int n, fromX, fromY, toX, toY;
17062 ChessMove moveType;
17065 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17066 EditPositionPasteFEN(move);
17069 // [HGM] movenum: allow move number to be typed in any mode
17070 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17074 // undocumented kludge: allow command-line option to be typed in!
17075 // (potentially fatal, and does not implement the effect of the option.)
17076 // should only be used for options that are values on which future decisions will be made,
17077 // and definitely not on options that would be used during initialization.
17078 if(strstr(move, "!!! -") == move) {
17079 ParseArgsFromString(move+4);
17083 if (gameMode != EditGame && currentMove != forwardMostMove &&
17084 gameMode != Training) {
17085 DisplayMoveError(_("Displayed move is not current"));
17087 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17088 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17089 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17090 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17091 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17092 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17094 DisplayMoveError(_("Could not parse move"));
17100 DisplayMove (int moveNumber)
17102 char message[MSG_SIZ];
17104 char cpThinkOutput[MSG_SIZ];
17106 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17108 if (moveNumber == forwardMostMove - 1 ||
17109 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17111 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17113 if (strchr(cpThinkOutput, '\n')) {
17114 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17117 *cpThinkOutput = NULLCHAR;
17120 /* [AS] Hide thinking from human user */
17121 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17122 *cpThinkOutput = NULLCHAR;
17123 if( thinkOutput[0] != NULLCHAR ) {
17126 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17127 cpThinkOutput[i] = '.';
17129 cpThinkOutput[i] = NULLCHAR;
17130 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17134 if (moveNumber == forwardMostMove - 1 &&
17135 gameInfo.resultDetails != NULL) {
17136 if (gameInfo.resultDetails[0] == NULLCHAR) {
17137 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17139 snprintf(res, MSG_SIZ, " {%s} %s",
17140 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17146 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17147 DisplayMessage(res, cpThinkOutput);
17149 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17150 WhiteOnMove(moveNumber) ? " " : ".. ",
17151 parseList[moveNumber], res);
17152 DisplayMessage(message, cpThinkOutput);
17157 DisplayComment (int moveNumber, char *text)
17159 char title[MSG_SIZ];
17161 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17162 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17164 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17165 WhiteOnMove(moveNumber) ? " " : ".. ",
17166 parseList[moveNumber]);
17168 if (text != NULL && (appData.autoDisplayComment || commentUp))
17169 CommentPopUp(title, text);
17172 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17173 * might be busy thinking or pondering. It can be omitted if your
17174 * gnuchess is configured to stop thinking immediately on any user
17175 * input. However, that gnuchess feature depends on the FIONREAD
17176 * ioctl, which does not work properly on some flavors of Unix.
17179 Attention (ChessProgramState *cps)
17182 if (!cps->useSigint) return;
17183 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17184 switch (gameMode) {
17185 case MachinePlaysWhite:
17186 case MachinePlaysBlack:
17187 case TwoMachinesPlay:
17188 case IcsPlayingWhite:
17189 case IcsPlayingBlack:
17192 /* Skip if we know it isn't thinking */
17193 if (!cps->maybeThinking) return;
17194 if (appData.debugMode)
17195 fprintf(debugFP, "Interrupting %s\n", cps->which);
17196 InterruptChildProcess(cps->pr);
17197 cps->maybeThinking = FALSE;
17202 #endif /*ATTENTION*/
17208 if (whiteTimeRemaining <= 0) {
17211 if (appData.icsActive) {
17212 if (appData.autoCallFlag &&
17213 gameMode == IcsPlayingBlack && !blackFlag) {
17214 SendToICS(ics_prefix);
17215 SendToICS("flag\n");
17219 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17221 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17222 if (appData.autoCallFlag) {
17223 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17230 if (blackTimeRemaining <= 0) {
17233 if (appData.icsActive) {
17234 if (appData.autoCallFlag &&
17235 gameMode == IcsPlayingWhite && !whiteFlag) {
17236 SendToICS(ics_prefix);
17237 SendToICS("flag\n");
17241 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17243 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17244 if (appData.autoCallFlag) {
17245 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17256 CheckTimeControl ()
17258 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17259 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17262 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17264 if ( !WhiteOnMove(forwardMostMove) ) {
17265 /* White made time control */
17266 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17267 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17268 /* [HGM] time odds: correct new time quota for time odds! */
17269 / WhitePlayer()->timeOdds;
17270 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17272 lastBlack -= blackTimeRemaining;
17273 /* Black made time control */
17274 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17275 / WhitePlayer()->other->timeOdds;
17276 lastWhite = whiteTimeRemaining;
17281 DisplayBothClocks ()
17283 int wom = gameMode == EditPosition ?
17284 !blackPlaysFirst : WhiteOnMove(currentMove);
17285 DisplayWhiteClock(whiteTimeRemaining, wom);
17286 DisplayBlackClock(blackTimeRemaining, !wom);
17290 /* Timekeeping seems to be a portability nightmare. I think everyone
17291 has ftime(), but I'm really not sure, so I'm including some ifdefs
17292 to use other calls if you don't. Clocks will be less accurate if
17293 you have neither ftime nor gettimeofday.
17296 /* VS 2008 requires the #include outside of the function */
17297 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17298 #include <sys/timeb.h>
17301 /* Get the current time as a TimeMark */
17303 GetTimeMark (TimeMark *tm)
17305 #if HAVE_GETTIMEOFDAY
17307 struct timeval timeVal;
17308 struct timezone timeZone;
17310 gettimeofday(&timeVal, &timeZone);
17311 tm->sec = (long) timeVal.tv_sec;
17312 tm->ms = (int) (timeVal.tv_usec / 1000L);
17314 #else /*!HAVE_GETTIMEOFDAY*/
17317 // include <sys/timeb.h> / moved to just above start of function
17318 struct timeb timeB;
17321 tm->sec = (long) timeB.time;
17322 tm->ms = (int) timeB.millitm;
17324 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17325 tm->sec = (long) time(NULL);
17331 /* Return the difference in milliseconds between two
17332 time marks. We assume the difference will fit in a long!
17335 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17337 return 1000L*(tm2->sec - tm1->sec) +
17338 (long) (tm2->ms - tm1->ms);
17343 * Code to manage the game clocks.
17345 * In tournament play, black starts the clock and then white makes a move.
17346 * We give the human user a slight advantage if he is playing white---the
17347 * clocks don't run until he makes his first move, so it takes zero time.
17348 * Also, we don't account for network lag, so we could get out of sync
17349 * with GNU Chess's clock -- but then, referees are always right.
17352 static TimeMark tickStartTM;
17353 static long intendedTickLength;
17356 NextTickLength (long timeRemaining)
17358 long nominalTickLength, nextTickLength;
17360 if (timeRemaining > 0L && timeRemaining <= 10000L)
17361 nominalTickLength = 100L;
17363 nominalTickLength = 1000L;
17364 nextTickLength = timeRemaining % nominalTickLength;
17365 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17367 return nextTickLength;
17370 /* Adjust clock one minute up or down */
17372 AdjustClock (Boolean which, int dir)
17374 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17375 if(which) blackTimeRemaining += 60000*dir;
17376 else whiteTimeRemaining += 60000*dir;
17377 DisplayBothClocks();
17378 adjustedClock = TRUE;
17381 /* Stop clocks and reset to a fresh time control */
17385 (void) StopClockTimer();
17386 if (appData.icsActive) {
17387 whiteTimeRemaining = blackTimeRemaining = 0;
17388 } else if (searchTime) {
17389 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17390 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17391 } else { /* [HGM] correct new time quote for time odds */
17392 whiteTC = blackTC = fullTimeControlString;
17393 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17394 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17396 if (whiteFlag || blackFlag) {
17398 whiteFlag = blackFlag = FALSE;
17400 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17401 DisplayBothClocks();
17402 adjustedClock = FALSE;
17405 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17407 /* Decrement running clock by amount of time that has passed */
17411 long timeRemaining;
17412 long lastTickLength, fudge;
17415 if (!appData.clockMode) return;
17416 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17420 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17422 /* Fudge if we woke up a little too soon */
17423 fudge = intendedTickLength - lastTickLength;
17424 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17426 if (WhiteOnMove(forwardMostMove)) {
17427 if(whiteNPS >= 0) lastTickLength = 0;
17428 timeRemaining = whiteTimeRemaining -= lastTickLength;
17429 if(timeRemaining < 0 && !appData.icsActive) {
17430 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17431 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17432 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17433 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17436 DisplayWhiteClock(whiteTimeRemaining - fudge,
17437 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17439 if(blackNPS >= 0) lastTickLength = 0;
17440 timeRemaining = blackTimeRemaining -= lastTickLength;
17441 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17442 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17444 blackStartMove = forwardMostMove;
17445 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17448 DisplayBlackClock(blackTimeRemaining - fudge,
17449 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17451 if (CheckFlags()) return;
17453 if(twoBoards) { // count down secondary board's clocks as well
17454 activePartnerTime -= lastTickLength;
17456 if(activePartner == 'W')
17457 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17459 DisplayBlackClock(activePartnerTime, TRUE);
17464 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17465 StartClockTimer(intendedTickLength);
17467 /* if the time remaining has fallen below the alarm threshold, sound the
17468 * alarm. if the alarm has sounded and (due to a takeback or time control
17469 * with increment) the time remaining has increased to a level above the
17470 * threshold, reset the alarm so it can sound again.
17473 if (appData.icsActive && appData.icsAlarm) {
17475 /* make sure we are dealing with the user's clock */
17476 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17477 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17480 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17481 alarmSounded = FALSE;
17482 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17484 alarmSounded = TRUE;
17490 /* A player has just moved, so stop the previously running
17491 clock and (if in clock mode) start the other one.
17492 We redisplay both clocks in case we're in ICS mode, because
17493 ICS gives us an update to both clocks after every move.
17494 Note that this routine is called *after* forwardMostMove
17495 is updated, so the last fractional tick must be subtracted
17496 from the color that is *not* on move now.
17499 SwitchClocks (int newMoveNr)
17501 long lastTickLength;
17503 int flagged = FALSE;
17507 if (StopClockTimer() && appData.clockMode) {
17508 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17509 if (!WhiteOnMove(forwardMostMove)) {
17510 if(blackNPS >= 0) lastTickLength = 0;
17511 blackTimeRemaining -= lastTickLength;
17512 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17513 // if(pvInfoList[forwardMostMove].time == -1)
17514 pvInfoList[forwardMostMove].time = // use GUI time
17515 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17517 if(whiteNPS >= 0) lastTickLength = 0;
17518 whiteTimeRemaining -= lastTickLength;
17519 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17520 // if(pvInfoList[forwardMostMove].time == -1)
17521 pvInfoList[forwardMostMove].time =
17522 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17524 flagged = CheckFlags();
17526 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17527 CheckTimeControl();
17529 if (flagged || !appData.clockMode) return;
17531 switch (gameMode) {
17532 case MachinePlaysBlack:
17533 case MachinePlaysWhite:
17534 case BeginningOfGame:
17535 if (pausing) return;
17539 case PlayFromGameFile:
17547 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17548 if(WhiteOnMove(forwardMostMove))
17549 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17550 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17554 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17555 whiteTimeRemaining : blackTimeRemaining);
17556 StartClockTimer(intendedTickLength);
17560 /* Stop both clocks */
17564 long lastTickLength;
17567 if (!StopClockTimer()) return;
17568 if (!appData.clockMode) return;
17572 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17573 if (WhiteOnMove(forwardMostMove)) {
17574 if(whiteNPS >= 0) lastTickLength = 0;
17575 whiteTimeRemaining -= lastTickLength;
17576 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17578 if(blackNPS >= 0) lastTickLength = 0;
17579 blackTimeRemaining -= lastTickLength;
17580 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17585 /* Start clock of player on move. Time may have been reset, so
17586 if clock is already running, stop and restart it. */
17590 (void) StopClockTimer(); /* in case it was running already */
17591 DisplayBothClocks();
17592 if (CheckFlags()) return;
17594 if (!appData.clockMode) return;
17595 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17597 GetTimeMark(&tickStartTM);
17598 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17599 whiteTimeRemaining : blackTimeRemaining);
17601 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17602 whiteNPS = blackNPS = -1;
17603 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17604 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17605 whiteNPS = first.nps;
17606 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17607 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17608 blackNPS = first.nps;
17609 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17610 whiteNPS = second.nps;
17611 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17612 blackNPS = second.nps;
17613 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17615 StartClockTimer(intendedTickLength);
17619 TimeString (long ms)
17621 long second, minute, hour, day;
17623 static char buf[32];
17625 if (ms > 0 && ms <= 9900) {
17626 /* convert milliseconds to tenths, rounding up */
17627 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17629 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17633 /* convert milliseconds to seconds, rounding up */
17634 /* use floating point to avoid strangeness of integer division
17635 with negative dividends on many machines */
17636 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17643 day = second / (60 * 60 * 24);
17644 second = second % (60 * 60 * 24);
17645 hour = second / (60 * 60);
17646 second = second % (60 * 60);
17647 minute = second / 60;
17648 second = second % 60;
17651 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17652 sign, day, hour, minute, second);
17654 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17656 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17663 * This is necessary because some C libraries aren't ANSI C compliant yet.
17666 StrStr (char *string, char *match)
17670 length = strlen(match);
17672 for (i = strlen(string) - length; i >= 0; i--, string++)
17673 if (!strncmp(match, string, length))
17680 StrCaseStr (char *string, char *match)
17684 length = strlen(match);
17686 for (i = strlen(string) - length; i >= 0; i--, string++) {
17687 for (j = 0; j < length; j++) {
17688 if (ToLower(match[j]) != ToLower(string[j]))
17691 if (j == length) return string;
17699 StrCaseCmp (char *s1, char *s2)
17704 c1 = ToLower(*s1++);
17705 c2 = ToLower(*s2++);
17706 if (c1 > c2) return 1;
17707 if (c1 < c2) return -1;
17708 if (c1 == NULLCHAR) return 0;
17716 return isupper(c) ? tolower(c) : c;
17723 return islower(c) ? toupper(c) : c;
17725 #endif /* !_amigados */
17732 if ((ret = (char *) malloc(strlen(s) + 1)))
17734 safeStrCpy(ret, s, strlen(s)+1);
17740 StrSavePtr (char *s, char **savePtr)
17745 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17746 safeStrCpy(*savePtr, s, strlen(s)+1);
17758 clock = time((time_t *)NULL);
17759 tm = localtime(&clock);
17760 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17761 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17762 return StrSave(buf);
17767 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17769 int i, j, fromX, fromY, toX, toY;
17776 whiteToPlay = (gameMode == EditPosition) ?
17777 !blackPlaysFirst : (move % 2 == 0);
17780 /* Piece placement data */
17781 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17782 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17784 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17785 if (boards[move][i][j] == EmptySquare) {
17787 } else { ChessSquare piece = boards[move][i][j];
17788 if (emptycount > 0) {
17789 if(emptycount<10) /* [HGM] can be >= 10 */
17790 *p++ = '0' + emptycount;
17791 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17794 if(PieceToChar(piece) == '+') {
17795 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17797 piece = (ChessSquare)(CHUDEMOTED piece);
17799 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17801 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17802 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece));
17807 if (emptycount > 0) {
17808 if(emptycount<10) /* [HGM] can be >= 10 */
17809 *p++ = '0' + emptycount;
17810 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17817 /* [HGM] print Crazyhouse or Shogi holdings */
17818 if( gameInfo.holdingsWidth ) {
17819 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17821 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17822 piece = boards[move][i][BOARD_WIDTH-1];
17823 if( piece != EmptySquare )
17824 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17825 *p++ = PieceToChar(piece);
17827 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17828 piece = boards[move][BOARD_HEIGHT-i-1][0];
17829 if( piece != EmptySquare )
17830 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17831 *p++ = PieceToChar(piece);
17834 if( q == p ) *p++ = '-';
17840 *p++ = whiteToPlay ? 'w' : 'b';
17843 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17844 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17846 if(nrCastlingRights) {
17847 int handW=0, handB=0;
17848 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
17849 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
17850 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17853 if(appData.fischerCastling) {
17854 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
17855 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
17856 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17858 /* [HGM] write directly from rights */
17859 if(boards[move][CASTLING][2] != NoRights &&
17860 boards[move][CASTLING][0] != NoRights )
17861 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17862 if(boards[move][CASTLING][2] != NoRights &&
17863 boards[move][CASTLING][1] != NoRights )
17864 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17867 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
17868 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17870 if(boards[move][CASTLING][5] != NoRights &&
17871 boards[move][CASTLING][3] != NoRights )
17872 *p++ = boards[move][CASTLING][3] + AAA;
17873 if(boards[move][CASTLING][5] != NoRights &&
17874 boards[move][CASTLING][4] != NoRights )
17875 *p++ = boards[move][CASTLING][4] + AAA;
17879 /* [HGM] write true castling rights */
17880 if( nrCastlingRights == 6 ) {
17882 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17883 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17884 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17885 boards[move][CASTLING][2] != NoRights );
17886 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
17887 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
17888 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17889 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17893 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17894 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17895 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17896 boards[move][CASTLING][5] != NoRights );
17898 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
17899 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17900 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17905 if (q == p) *p++ = '-'; /* No castling rights */
17909 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17910 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17911 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17912 /* En passant target square */
17913 if (move > backwardMostMove) {
17914 fromX = moveList[move - 1][0] - AAA;
17915 fromY = moveList[move - 1][1] - ONE;
17916 toX = moveList[move - 1][2] - AAA;
17917 toY = moveList[move - 1][3] - ONE;
17918 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17919 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17920 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17922 /* 2-square pawn move just happened */
17924 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17928 } else if(move == backwardMostMove) {
17929 // [HGM] perhaps we should always do it like this, and forget the above?
17930 if((signed char)boards[move][EP_STATUS] >= 0) {
17931 *p++ = boards[move][EP_STATUS] + AAA;
17932 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17944 { int i = 0, j=move;
17946 /* [HGM] find reversible plies */
17947 if (appData.debugMode) { int k;
17948 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17949 for(k=backwardMostMove; k<=forwardMostMove; k++)
17950 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17954 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17955 if( j == backwardMostMove ) i += initialRulePlies;
17956 sprintf(p, "%d ", i);
17957 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17959 /* Fullmove number */
17960 sprintf(p, "%d", (move / 2) + 1);
17961 } else *--p = NULLCHAR;
17963 return StrSave(buf);
17967 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17969 int i, j, k, w=0, subst=0, shuffle=0;
17971 int emptycount, virgin[BOARD_FILES];
17976 /* Piece placement data */
17977 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17980 if (*p == '/' || *p == ' ' || *p == '[' ) {
17982 emptycount = gameInfo.boardWidth - j;
17983 while (emptycount--)
17984 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17985 if (*p == '/') p++;
17986 else if(autoSize) { // we stumbled unexpectedly into end of board
17987 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17988 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17990 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17993 #if(BOARD_FILES >= 10)*0
17994 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17995 p++; emptycount=10;
17996 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17997 while (emptycount--)
17998 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18000 } else if (*p == '*') {
18001 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18002 } else if (isdigit(*p)) {
18003 emptycount = *p++ - '0';
18004 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18005 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18006 while (emptycount--)
18007 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18008 } else if (*p == '<') {
18009 if(i == BOARD_HEIGHT-1) shuffle = 1;
18010 else if (i != 0 || !shuffle) return FALSE;
18012 } else if (shuffle && *p == '>') {
18013 p++; // for now ignore closing shuffle range, and assume rank-end
18014 } else if (*p == '?') {
18015 if (j >= gameInfo.boardWidth) return FALSE;
18016 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18017 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18018 } else if (*p == '+' || isalpha(*p)) {
18019 if (j >= gameInfo.boardWidth) return FALSE;
18021 piece = CharToPiece(*++p);
18022 if(piece == EmptySquare) return FALSE; /* unknown piece */
18023 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
18024 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18025 } else piece = CharToPiece(*p++);
18027 if(piece==EmptySquare) return FALSE; /* unknown piece */
18028 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18029 piece = (ChessSquare) (PROMOTED piece);
18030 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18033 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18039 while (*p == '/' || *p == ' ') p++;
18041 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
18043 /* [HGM] by default clear Crazyhouse holdings, if present */
18044 if(gameInfo.holdingsWidth) {
18045 for(i=0; i<BOARD_HEIGHT; i++) {
18046 board[i][0] = EmptySquare; /* black holdings */
18047 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18048 board[i][1] = (ChessSquare) 0; /* black counts */
18049 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18053 /* [HGM] look for Crazyhouse holdings here */
18054 while(*p==' ') p++;
18055 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18056 int swap=0, wcnt=0, bcnt=0;
18058 if(*p == '<') swap++, p++;
18059 if(*p == '-' ) p++; /* empty holdings */ else {
18060 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18061 /* if we would allow FEN reading to set board size, we would */
18062 /* have to add holdings and shift the board read so far here */
18063 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18065 if((int) piece >= (int) BlackPawn ) {
18066 i = (int)piece - (int)BlackPawn;
18067 i = PieceToNumber((ChessSquare)i);
18068 if( i >= gameInfo.holdingsSize ) return FALSE;
18069 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18070 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18073 i = (int)piece - (int)WhitePawn;
18074 i = PieceToNumber((ChessSquare)i);
18075 if( i >= gameInfo.holdingsSize ) return FALSE;
18076 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18077 board[i][BOARD_WIDTH-2]++; /* black holdings */
18081 if(subst) { // substitute back-rank question marks by holdings pieces
18082 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18083 int k, m, n = bcnt + 1;
18084 if(board[0][j] == ClearBoard) {
18085 if(!wcnt) return FALSE;
18087 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18088 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18089 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18093 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18094 if(!bcnt) return FALSE;
18095 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18096 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18097 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18098 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18109 if(subst) return FALSE; // substitution requested, but no holdings
18111 while(*p == ' ') p++;
18115 if(appData.colorNickNames) {
18116 if( c == appData.colorNickNames[0] ) c = 'w'; else
18117 if( c == appData.colorNickNames[1] ) c = 'b';
18121 *blackPlaysFirst = FALSE;
18124 *blackPlaysFirst = TRUE;
18130 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18131 /* return the extra info in global variiables */
18133 /* set defaults in case FEN is incomplete */
18134 board[EP_STATUS] = EP_UNKNOWN;
18135 for(i=0; i<nrCastlingRights; i++ ) {
18136 board[CASTLING][i] =
18137 appData.fischerCastling ? NoRights : initialRights[i];
18138 } /* assume possible unless obviously impossible */
18139 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18140 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18141 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18142 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18143 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18144 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18145 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18146 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18149 while(*p==' ') p++;
18150 if(nrCastlingRights) {
18152 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18153 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18154 /* castling indicator present, so default becomes no castlings */
18155 for(i=0; i<nrCastlingRights; i++ ) {
18156 board[CASTLING][i] = NoRights;
18159 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18160 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18161 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18162 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18163 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18165 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18166 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
18167 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
18169 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18170 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18171 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
18172 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18173 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
18174 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
18177 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
18178 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18179 board[CASTLING][2] = whiteKingFile;
18180 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18181 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18182 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18185 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
18186 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18187 board[CASTLING][2] = whiteKingFile;
18188 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18189 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18190 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18193 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
18194 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18195 board[CASTLING][5] = blackKingFile;
18196 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18197 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18198 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18201 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
18202 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18203 board[CASTLING][5] = blackKingFile;
18204 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18205 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18206 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18209 default: /* FRC castlings */
18210 if(c >= 'a') { /* black rights */
18211 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18212 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18213 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18214 if(i == BOARD_RGHT) break;
18215 board[CASTLING][5] = i;
18217 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18218 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18220 board[CASTLING][3] = c;
18222 board[CASTLING][4] = c;
18223 } else { /* white rights */
18224 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18225 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18226 if(board[0][i] == WhiteKing) break;
18227 if(i == BOARD_RGHT) break;
18228 board[CASTLING][2] = i;
18229 c -= AAA - 'a' + 'A';
18230 if(board[0][c] >= WhiteKing) break;
18232 board[CASTLING][0] = c;
18234 board[CASTLING][1] = c;
18238 for(i=0; i<nrCastlingRights; i++)
18239 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18240 if(gameInfo.variant == VariantSChess)
18241 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18242 if(fischer && shuffle) appData.fischerCastling = TRUE;
18243 if (appData.debugMode) {
18244 fprintf(debugFP, "FEN castling rights:");
18245 for(i=0; i<nrCastlingRights; i++)
18246 fprintf(debugFP, " %d", board[CASTLING][i]);
18247 fprintf(debugFP, "\n");
18250 while(*p==' ') p++;
18253 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18255 /* read e.p. field in games that know e.p. capture */
18256 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18257 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18258 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18260 p++; board[EP_STATUS] = EP_NONE;
18262 char c = *p++ - AAA;
18264 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18265 if(*p >= '0' && *p <='9') p++;
18266 board[EP_STATUS] = c;
18271 if(sscanf(p, "%d", &i) == 1) {
18272 FENrulePlies = i; /* 50-move ply counter */
18273 /* (The move number is still ignored) */
18280 EditPositionPasteFEN (char *fen)
18283 Board initial_position;
18285 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18286 DisplayError(_("Bad FEN position in clipboard"), 0);
18289 int savedBlackPlaysFirst = blackPlaysFirst;
18290 EditPositionEvent();
18291 blackPlaysFirst = savedBlackPlaysFirst;
18292 CopyBoard(boards[0], initial_position);
18293 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18294 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18295 DisplayBothClocks();
18296 DrawPosition(FALSE, boards[currentMove]);
18301 static char cseq[12] = "\\ ";
18304 set_cont_sequence (char *new_seq)
18309 // handle bad attempts to set the sequence
18311 return 0; // acceptable error - no debug
18313 len = strlen(new_seq);
18314 ret = (len > 0) && (len < sizeof(cseq));
18316 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18317 else if (appData.debugMode)
18318 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18323 reformat a source message so words don't cross the width boundary. internal
18324 newlines are not removed. returns the wrapped size (no null character unless
18325 included in source message). If dest is NULL, only calculate the size required
18326 for the dest buffer. lp argument indicats line position upon entry, and it's
18327 passed back upon exit.
18330 wrap (char *dest, char *src, int count, int width, int *lp)
18332 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18334 cseq_len = strlen(cseq);
18335 old_line = line = *lp;
18336 ansi = len = clen = 0;
18338 for (i=0; i < count; i++)
18340 if (src[i] == '\033')
18343 // if we hit the width, back up
18344 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18346 // store i & len in case the word is too long
18347 old_i = i, old_len = len;
18349 // find the end of the last word
18350 while (i && src[i] != ' ' && src[i] != '\n')
18356 // word too long? restore i & len before splitting it
18357 if ((old_i-i+clen) >= width)
18364 if (i && src[i-1] == ' ')
18367 if (src[i] != ' ' && src[i] != '\n')
18374 // now append the newline and continuation sequence
18379 strncpy(dest+len, cseq, cseq_len);
18387 dest[len] = src[i];
18391 if (src[i] == '\n')
18396 if (dest && appData.debugMode)
18398 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18399 count, width, line, len, *lp);
18400 show_bytes(debugFP, src, count);
18401 fprintf(debugFP, "\ndest: ");
18402 show_bytes(debugFP, dest, len);
18403 fprintf(debugFP, "\n");
18405 *lp = dest ? line : old_line;
18410 // [HGM] vari: routines for shelving variations
18411 Boolean modeRestore = FALSE;
18414 PushInner (int firstMove, int lastMove)
18416 int i, j, nrMoves = lastMove - firstMove;
18418 // push current tail of game on stack
18419 savedResult[storedGames] = gameInfo.result;
18420 savedDetails[storedGames] = gameInfo.resultDetails;
18421 gameInfo.resultDetails = NULL;
18422 savedFirst[storedGames] = firstMove;
18423 savedLast [storedGames] = lastMove;
18424 savedFramePtr[storedGames] = framePtr;
18425 framePtr -= nrMoves; // reserve space for the boards
18426 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18427 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18428 for(j=0; j<MOVE_LEN; j++)
18429 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18430 for(j=0; j<2*MOVE_LEN; j++)
18431 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18432 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18433 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18434 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18435 pvInfoList[firstMove+i-1].depth = 0;
18436 commentList[framePtr+i] = commentList[firstMove+i];
18437 commentList[firstMove+i] = NULL;
18441 forwardMostMove = firstMove; // truncate game so we can start variation
18445 PushTail (int firstMove, int lastMove)
18447 if(appData.icsActive) { // only in local mode
18448 forwardMostMove = currentMove; // mimic old ICS behavior
18451 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18453 PushInner(firstMove, lastMove);
18454 if(storedGames == 1) GreyRevert(FALSE);
18455 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18459 PopInner (Boolean annotate)
18462 char buf[8000], moveBuf[20];
18464 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18465 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18466 nrMoves = savedLast[storedGames] - currentMove;
18469 if(!WhiteOnMove(currentMove))
18470 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18471 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18472 for(i=currentMove; i<forwardMostMove; i++) {
18474 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18475 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18476 strcat(buf, moveBuf);
18477 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18478 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18482 for(i=1; i<=nrMoves; i++) { // copy last variation back
18483 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18484 for(j=0; j<MOVE_LEN; j++)
18485 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18486 for(j=0; j<2*MOVE_LEN; j++)
18487 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18488 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18489 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18490 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18491 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18492 commentList[currentMove+i] = commentList[framePtr+i];
18493 commentList[framePtr+i] = NULL;
18495 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18496 framePtr = savedFramePtr[storedGames];
18497 gameInfo.result = savedResult[storedGames];
18498 if(gameInfo.resultDetails != NULL) {
18499 free(gameInfo.resultDetails);
18501 gameInfo.resultDetails = savedDetails[storedGames];
18502 forwardMostMove = currentMove + nrMoves;
18506 PopTail (Boolean annotate)
18508 if(appData.icsActive) return FALSE; // only in local mode
18509 if(!storedGames) return FALSE; // sanity
18510 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18512 PopInner(annotate);
18513 if(currentMove < forwardMostMove) ForwardEvent(); else
18514 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18516 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18522 { // remove all shelved variations
18524 for(i=0; i<storedGames; i++) {
18525 if(savedDetails[i])
18526 free(savedDetails[i]);
18527 savedDetails[i] = NULL;
18529 for(i=framePtr; i<MAX_MOVES; i++) {
18530 if(commentList[i]) free(commentList[i]);
18531 commentList[i] = NULL;
18533 framePtr = MAX_MOVES-1;
18538 LoadVariation (int index, char *text)
18539 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18540 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18541 int level = 0, move;
18543 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18544 // first find outermost bracketing variation
18545 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18546 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18547 if(*p == '{') wait = '}'; else
18548 if(*p == '[') wait = ']'; else
18549 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18550 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18552 if(*p == wait) wait = NULLCHAR; // closing ]} found
18555 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18556 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18557 end[1] = NULLCHAR; // clip off comment beyond variation
18558 ToNrEvent(currentMove-1);
18559 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18560 // kludge: use ParsePV() to append variation to game
18561 move = currentMove;
18562 ParsePV(start, TRUE, TRUE);
18563 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18564 ClearPremoveHighlights();
18566 ToNrEvent(currentMove+1);
18572 char *p, *q, buf[MSG_SIZ];
18573 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18574 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18575 ParseArgsFromString(buf);
18576 ActivateTheme(TRUE); // also redo colors
18580 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18583 q = appData.themeNames;
18584 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18585 if(appData.useBitmaps) {
18586 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18587 appData.liteBackTextureFile, appData.darkBackTextureFile,
18588 appData.liteBackTextureMode,
18589 appData.darkBackTextureMode );
18591 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18592 Col2Text(2), // lightSquareColor
18593 Col2Text(3) ); // darkSquareColor
18595 if(appData.useBorder) {
18596 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18599 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18601 if(appData.useFont) {
18602 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18603 appData.renderPiecesWithFont,
18604 appData.fontToPieceTable,
18605 Col2Text(9), // appData.fontBackColorWhite
18606 Col2Text(10) ); // appData.fontForeColorBlack
18608 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18609 appData.pieceDirectory);
18610 if(!appData.pieceDirectory[0])
18611 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18612 Col2Text(0), // whitePieceColor
18613 Col2Text(1) ); // blackPieceColor
18615 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18616 Col2Text(4), // highlightSquareColor
18617 Col2Text(5) ); // premoveHighlightColor
18618 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18619 if(insert != q) insert[-1] = NULLCHAR;
18620 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18623 ActivateTheme(FALSE);