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 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
228 static int NonStandardBoardSize P((void));
231 extern void ConsoleCreate();
234 ChessProgramState *WhitePlayer();
235 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
236 int VerifyDisplayMode P(());
238 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
239 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
240 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
241 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
242 void ics_update_width P((int new_width));
243 extern char installDir[MSG_SIZ];
244 VariantClass startVariant; /* [HGM] nicks: initial variant */
247 extern int tinyLayout, smallLayout;
248 ChessProgramStats programStats;
249 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
251 static int exiting = 0; /* [HGM] moved to top */
252 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
253 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
254 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
255 int partnerHighlight[2];
256 Boolean partnerBoardValid = 0;
257 char partnerStatus[MSG_SIZ];
259 Boolean originalFlip;
260 Boolean twoBoards = 0;
261 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
262 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
263 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
264 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
265 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
266 int opponentKibitzes;
267 int lastSavedGame; /* [HGM] save: ID of game */
268 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
269 extern int chatCount;
271 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
272 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
273 char lastMsg[MSG_SIZ];
274 ChessSquare pieceSweep = EmptySquare;
275 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
276 int promoDefaultAltered;
277 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
279 /* States for ics_getting_history */
281 #define H_REQUESTED 1
282 #define H_GOT_REQ_HEADER 2
283 #define H_GOT_UNREQ_HEADER 3
284 #define H_GETTING_MOVES 4
285 #define H_GOT_UNWANTED_HEADER 5
287 /* whosays values for GameEnds */
296 /* Maximum number of games in a cmail message */
297 #define CMAIL_MAX_GAMES 20
299 /* Different types of move when calling RegisterMove */
301 #define CMAIL_RESIGN 1
303 #define CMAIL_ACCEPT 3
305 /* Different types of result to remember for each game */
306 #define CMAIL_NOT_RESULT 0
307 #define CMAIL_OLD_RESULT 1
308 #define CMAIL_NEW_RESULT 2
310 /* Telnet protocol constants */
321 safeStrCpy (char *dst, const char *src, size_t count)
324 assert( dst != NULL );
325 assert( src != NULL );
328 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
329 if( i == count && dst[count-1] != NULLCHAR)
331 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
332 if(appData.debugMode)
333 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
339 /* Some compiler can't cast u64 to double
340 * This function do the job for us:
342 * We use the highest bit for cast, this only
343 * works if the highest bit is not
344 * in use (This should not happen)
346 * We used this for all compiler
349 u64ToDouble (u64 value)
352 u64 tmp = value & u64Const(0x7fffffffffffffff);
353 r = (double)(s64)tmp;
354 if (value & u64Const(0x8000000000000000))
355 r += 9.2233720368547758080e18; /* 2^63 */
359 /* Fake up flags for now, as we aren't keeping track of castling
360 availability yet. [HGM] Change of logic: the flag now only
361 indicates the type of castlings allowed by the rule of the game.
362 The actual rights themselves are maintained in the array
363 castlingRights, as part of the game history, and are not probed
369 int flags = F_ALL_CASTLE_OK;
370 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
371 switch (gameInfo.variant) {
373 flags &= ~F_ALL_CASTLE_OK;
374 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
375 flags |= F_IGNORE_CHECK;
377 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
380 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
382 case VariantKriegspiel:
383 flags |= F_KRIEGSPIEL_CAPTURE;
385 case VariantCapaRandom:
386 case VariantFischeRandom:
387 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
388 case VariantNoCastle:
389 case VariantShatranj:
394 flags &= ~F_ALL_CASTLE_OK;
402 FILE *gameFileFP, *debugFP, *serverFP;
403 char *currentDebugFile; // [HGM] debug split: to remember name
406 [AS] Note: sometimes, the sscanf() function is used to parse the input
407 into a fixed-size buffer. Because of this, we must be prepared to
408 receive strings as long as the size of the input buffer, which is currently
409 set to 4K for Windows and 8K for the rest.
410 So, we must either allocate sufficiently large buffers here, or
411 reduce the size of the input buffer in the input reading part.
414 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
415 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
416 char thinkOutput1[MSG_SIZ*10];
418 ChessProgramState first, second, pairing;
420 /* premove variables */
423 int premoveFromX = 0;
424 int premoveFromY = 0;
425 int premovePromoChar = 0;
427 Boolean alarmSounded;
428 /* end premove variables */
430 char *ics_prefix = "$";
431 enum ICS_TYPE ics_type = ICS_GENERIC;
433 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
434 int pauseExamForwardMostMove = 0;
435 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
436 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
437 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
438 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
439 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
440 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
441 int whiteFlag = FALSE, blackFlag = FALSE;
442 int userOfferedDraw = FALSE;
443 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
444 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
445 int cmailMoveType[CMAIL_MAX_GAMES];
446 long ics_clock_paused = 0;
447 ProcRef icsPR = NoProc, cmailPR = NoProc;
448 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
449 GameMode gameMode = BeginningOfGame;
450 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
451 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
452 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
453 int hiddenThinkOutputState = 0; /* [AS] */
454 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
455 int adjudicateLossPlies = 6;
456 char white_holding[64], black_holding[64];
457 TimeMark lastNodeCountTime;
458 long lastNodeCount=0;
459 int shiftKey, controlKey; // [HGM] set by mouse handler
461 int have_sent_ICS_logon = 0;
463 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
464 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
465 Boolean adjustedClock;
466 long timeControl_2; /* [AS] Allow separate time controls */
467 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
468 long timeRemaining[2][MAX_MOVES];
469 int matchGame = 0, nextGame = 0, roundNr = 0;
470 Boolean waitingForGame = FALSE, startingEngine = FALSE;
471 TimeMark programStartTime, pauseStart;
472 char ics_handle[MSG_SIZ];
473 int have_set_title = 0;
475 /* animateTraining preserves the state of appData.animate
476 * when Training mode is activated. This allows the
477 * response to be animated when appData.animate == TRUE and
478 * appData.animateDragging == TRUE.
480 Boolean animateTraining;
486 Board boards[MAX_MOVES];
487 /* [HGM] Following 7 needed for accurate legality tests: */
488 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
489 signed char initialRights[BOARD_FILES];
490 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
491 int initialRulePlies, FENrulePlies;
492 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
494 Boolean shuffleOpenings;
495 int mute; // mute all sounds
497 // [HGM] vari: next 12 to save and restore variations
498 #define MAX_VARIATIONS 10
499 int framePtr = MAX_MOVES-1; // points to free stack entry
501 int savedFirst[MAX_VARIATIONS];
502 int savedLast[MAX_VARIATIONS];
503 int savedFramePtr[MAX_VARIATIONS];
504 char *savedDetails[MAX_VARIATIONS];
505 ChessMove savedResult[MAX_VARIATIONS];
507 void PushTail P((int firstMove, int lastMove));
508 Boolean PopTail P((Boolean annotate));
509 void PushInner P((int firstMove, int lastMove));
510 void PopInner P((Boolean annotate));
511 void CleanupTail P((void));
513 ChessSquare FIDEArray[2][BOARD_FILES] = {
514 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
515 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
516 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
517 BlackKing, BlackBishop, BlackKnight, BlackRook }
520 ChessSquare twoKingsArray[2][BOARD_FILES] = {
521 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
522 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
523 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
524 BlackKing, BlackKing, BlackKnight, BlackRook }
527 ChessSquare KnightmateArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
529 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
530 { BlackRook, BlackMan, BlackBishop, BlackQueen,
531 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
534 ChessSquare SpartanArray[2][BOARD_FILES] = {
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
538 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
541 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
542 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
543 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
544 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
545 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
548 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
549 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
550 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
551 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
552 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
555 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
556 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
557 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
558 { BlackRook, BlackKnight, BlackMan, BlackFerz,
559 BlackKing, BlackMan, BlackKnight, BlackRook }
562 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
563 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
564 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
565 { BlackRook, BlackKnight, BlackMan, BlackFerz,
566 BlackKing, BlackMan, BlackKnight, BlackRook }
569 ChessSquare lionArray[2][BOARD_FILES] = {
570 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
571 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
572 { BlackRook, BlackLion, BlackBishop, BlackQueen,
573 BlackKing, BlackBishop, BlackKnight, BlackRook }
577 #if (BOARD_FILES>=10)
578 ChessSquare ShogiArray[2][BOARD_FILES] = {
579 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
580 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
581 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
582 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
585 ChessSquare XiangqiArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
587 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
589 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
592 ChessSquare CapablancaArray[2][BOARD_FILES] = {
593 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
594 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
595 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
596 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
599 ChessSquare GreatArray[2][BOARD_FILES] = {
600 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
601 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
602 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
603 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
606 ChessSquare JanusArray[2][BOARD_FILES] = {
607 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
608 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
609 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
610 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
613 ChessSquare GrandArray[2][BOARD_FILES] = {
614 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
615 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
616 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
617 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
621 ChessSquare GothicArray[2][BOARD_FILES] = {
622 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
623 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
624 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
625 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
628 #define GothicArray CapablancaArray
632 ChessSquare FalconArray[2][BOARD_FILES] = {
633 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
634 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
635 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
636 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
639 #define FalconArray CapablancaArray
642 #else // !(BOARD_FILES>=10)
643 #define XiangqiPosition FIDEArray
644 #define CapablancaArray FIDEArray
645 #define GothicArray FIDEArray
646 #define GreatArray FIDEArray
647 #endif // !(BOARD_FILES>=10)
649 #if (BOARD_FILES>=12)
650 ChessSquare CourierArray[2][BOARD_FILES] = {
651 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
652 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
653 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
654 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
656 ChessSquare ChuArray[6][BOARD_FILES] = {
657 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
658 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
659 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
660 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
661 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
662 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
663 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
664 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
665 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
666 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
667 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
668 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
670 #else // !(BOARD_FILES>=12)
671 #define CourierArray CapablancaArray
672 #define ChuArray CapablancaArray
673 #endif // !(BOARD_FILES>=12)
676 Board initialPosition;
679 /* Convert str to a rating. Checks for special cases of "----",
681 "++++", etc. Also strips ()'s */
683 string_to_rating (char *str)
685 while(*str && !isdigit(*str)) ++str;
687 return 0; /* One of the special "no rating" cases */
695 /* Init programStats */
696 programStats.movelist[0] = 0;
697 programStats.depth = 0;
698 programStats.nr_moves = 0;
699 programStats.moves_left = 0;
700 programStats.nodes = 0;
701 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
702 programStats.score = 0;
703 programStats.got_only_move = 0;
704 programStats.got_fail = 0;
705 programStats.line_is_book = 0;
710 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
711 if (appData.firstPlaysBlack) {
712 first.twoMachinesColor = "black\n";
713 second.twoMachinesColor = "white\n";
715 first.twoMachinesColor = "white\n";
716 second.twoMachinesColor = "black\n";
719 first.other = &second;
720 second.other = &first;
723 if(appData.timeOddsMode) {
724 norm = appData.timeOdds[0];
725 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
727 first.timeOdds = appData.timeOdds[0]/norm;
728 second.timeOdds = appData.timeOdds[1]/norm;
731 if(programVersion) free(programVersion);
732 if (appData.noChessProgram) {
733 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
734 sprintf(programVersion, "%s", PACKAGE_STRING);
736 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
737 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
738 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
743 UnloadEngine (ChessProgramState *cps)
745 /* Kill off first chess program */
746 if (cps->isr != NULL)
747 RemoveInputSource(cps->isr);
750 if (cps->pr != NoProc) {
752 DoSleep( appData.delayBeforeQuit );
753 SendToProgram("quit\n", cps);
754 DoSleep( appData.delayAfterQuit );
755 DestroyChildProcess(cps->pr, cps->useSigterm);
758 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
762 ClearOptions (ChessProgramState *cps)
765 cps->nrOptions = cps->comboCnt = 0;
766 for(i=0; i<MAX_OPTIONS; i++) {
767 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
768 cps->option[i].textValue = 0;
772 char *engineNames[] = {
773 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
774 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
776 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
777 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
782 InitEngine (ChessProgramState *cps, int n)
783 { // [HGM] all engine initialiation put in a function that does one engine
787 cps->which = engineNames[n];
788 cps->maybeThinking = FALSE;
792 cps->sendDrawOffers = 1;
794 cps->program = appData.chessProgram[n];
795 cps->host = appData.host[n];
796 cps->dir = appData.directory[n];
797 cps->initString = appData.engInitString[n];
798 cps->computerString = appData.computerString[n];
799 cps->useSigint = TRUE;
800 cps->useSigterm = TRUE;
801 cps->reuse = appData.reuse[n];
802 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
803 cps->useSetboard = FALSE;
805 cps->usePing = FALSE;
808 cps->usePlayother = FALSE;
809 cps->useColors = TRUE;
810 cps->useUsermove = FALSE;
811 cps->sendICS = FALSE;
812 cps->sendName = appData.icsActive;
813 cps->sdKludge = FALSE;
814 cps->stKludge = FALSE;
815 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
816 TidyProgramName(cps->program, cps->host, cps->tidy);
818 ASSIGN(cps->variants, appData.variant);
819 cps->analysisSupport = 2; /* detect */
820 cps->analyzing = FALSE;
821 cps->initDone = FALSE;
824 /* New features added by Tord: */
825 cps->useFEN960 = FALSE;
826 cps->useOOCastle = TRUE;
827 /* End of new features added by Tord. */
828 cps->fenOverride = appData.fenOverride[n];
830 /* [HGM] time odds: set factor for each machine */
831 cps->timeOdds = appData.timeOdds[n];
833 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
834 cps->accumulateTC = appData.accumulateTC[n];
835 cps->maxNrOfSessions = 1;
840 cps->supportsNPS = UNKNOWN;
841 cps->memSize = FALSE;
842 cps->maxCores = FALSE;
843 ASSIGN(cps->egtFormats, "");
846 cps->optionSettings = appData.engOptions[n];
848 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
849 cps->isUCI = appData.isUCI[n]; /* [AS] */
850 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
853 if (appData.protocolVersion[n] > PROTOVER
854 || appData.protocolVersion[n] < 1)
859 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
860 appData.protocolVersion[n]);
861 if( (len >= MSG_SIZ) && appData.debugMode )
862 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
864 DisplayFatalError(buf, 0, 2);
868 cps->protocolVersion = appData.protocolVersion[n];
871 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
872 ParseFeatures(appData.featureDefaults, cps);
875 ChessProgramState *savCps;
883 if(WaitForEngine(savCps, LoadEngine)) return;
884 CommonEngineInit(); // recalculate time odds
885 if(gameInfo.variant != StringToVariant(appData.variant)) {
886 // we changed variant when loading the engine; this forces us to reset
887 Reset(TRUE, savCps != &first);
888 oldMode = BeginningOfGame; // to prevent restoring old mode
890 InitChessProgram(savCps, FALSE);
891 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
892 DisplayMessage("", "");
893 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
894 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
897 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
901 ReplaceEngine (ChessProgramState *cps, int n)
903 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
905 if(oldMode != BeginningOfGame) EditGameEvent();
908 appData.noChessProgram = FALSE;
909 appData.clockMode = TRUE;
912 if(n) return; // only startup first engine immediately; second can wait
913 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
917 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
918 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
920 static char resetOptions[] =
921 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
922 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
923 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
924 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
927 FloatToFront(char **list, char *engineLine)
929 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
931 if(appData.recentEngines <= 0) return;
932 TidyProgramName(engineLine, "localhost", tidy+1);
933 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
934 strncpy(buf+1, *list, MSG_SIZ-50);
935 if(p = strstr(buf, tidy)) { // tidy name appears in list
936 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
937 while(*p++ = *++q); // squeeze out
939 strcat(tidy, buf+1); // put list behind tidy name
940 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
941 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
942 ASSIGN(*list, tidy+1);
945 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
948 Load (ChessProgramState *cps, int i)
950 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
951 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
952 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
953 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
954 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
955 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
956 appData.firstProtocolVersion = PROTOVER;
957 ParseArgsFromString(buf);
959 ReplaceEngine(cps, i);
960 FloatToFront(&appData.recentEngineList, engineLine);
964 while(q = strchr(p, SLASH)) p = q+1;
965 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
966 if(engineDir[0] != NULLCHAR) {
967 ASSIGN(appData.directory[i], engineDir); p = engineName;
968 } else if(p != engineName) { // derive directory from engine path, when not given
970 ASSIGN(appData.directory[i], engineName);
972 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
973 } else { ASSIGN(appData.directory[i], "."); }
974 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
976 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
977 snprintf(command, MSG_SIZ, "%s %s", p, params);
980 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
981 ASSIGN(appData.chessProgram[i], p);
982 appData.isUCI[i] = isUCI;
983 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
984 appData.hasOwnBookUCI[i] = hasBook;
985 if(!nickName[0]) useNick = FALSE;
986 if(useNick) ASSIGN(appData.pgnName[i], nickName);
990 q = firstChessProgramNames;
991 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
992 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
993 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
994 quote, p, quote, appData.directory[i],
995 useNick ? " -fn \"" : "",
996 useNick ? nickName : "",
998 v1 ? " -firstProtocolVersion 1" : "",
999 hasBook ? "" : " -fNoOwnBookUCI",
1000 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1001 storeVariant ? " -variant " : "",
1002 storeVariant ? VariantName(gameInfo.variant) : "");
1003 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1004 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1005 if(insert != q) insert[-1] = NULLCHAR;
1006 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1008 FloatToFront(&appData.recentEngineList, buf);
1010 ReplaceEngine(cps, i);
1016 int matched, min, sec;
1018 * Parse timeControl resource
1020 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1021 appData.movesPerSession)) {
1023 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1024 DisplayFatalError(buf, 0, 2);
1028 * Parse searchTime resource
1030 if (*appData.searchTime != NULLCHAR) {
1031 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1033 searchTime = min * 60;
1034 } else if (matched == 2) {
1035 searchTime = min * 60 + sec;
1038 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1039 DisplayFatalError(buf, 0, 2);
1048 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1049 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1051 GetTimeMark(&programStartTime);
1052 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1053 appData.seedBase = random() + (random()<<15);
1054 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1056 ClearProgramStats();
1057 programStats.ok_to_send = 1;
1058 programStats.seen_stat = 0;
1061 * Initialize game list
1067 * Internet chess server status
1069 if (appData.icsActive) {
1070 appData.matchMode = FALSE;
1071 appData.matchGames = 0;
1073 appData.noChessProgram = !appData.zippyPlay;
1075 appData.zippyPlay = FALSE;
1076 appData.zippyTalk = FALSE;
1077 appData.noChessProgram = TRUE;
1079 if (*appData.icsHelper != NULLCHAR) {
1080 appData.useTelnet = TRUE;
1081 appData.telnetProgram = appData.icsHelper;
1084 appData.zippyTalk = appData.zippyPlay = FALSE;
1087 /* [AS] Initialize pv info list [HGM] and game state */
1091 for( i=0; i<=framePtr; i++ ) {
1092 pvInfoList[i].depth = -1;
1093 boards[i][EP_STATUS] = EP_NONE;
1094 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1100 /* [AS] Adjudication threshold */
1101 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1103 InitEngine(&first, 0);
1104 InitEngine(&second, 1);
1107 pairing.which = "pairing"; // pairing engine
1108 pairing.pr = NoProc;
1110 pairing.program = appData.pairingEngine;
1111 pairing.host = "localhost";
1114 if (appData.icsActive) {
1115 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1116 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1117 appData.clockMode = FALSE;
1118 first.sendTime = second.sendTime = 0;
1122 /* Override some settings from environment variables, for backward
1123 compatibility. Unfortunately it's not feasible to have the env
1124 vars just set defaults, at least in xboard. Ugh.
1126 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1131 if (!appData.icsActive) {
1135 /* Check for variants that are supported only in ICS mode,
1136 or not at all. Some that are accepted here nevertheless
1137 have bugs; see comments below.
1139 VariantClass variant = StringToVariant(appData.variant);
1141 case VariantBughouse: /* need four players and two boards */
1142 case VariantKriegspiel: /* need to hide pieces and move details */
1143 /* case VariantFischeRandom: (Fabien: moved below) */
1144 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1145 if( (len >= MSG_SIZ) && appData.debugMode )
1146 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1148 DisplayFatalError(buf, 0, 2);
1151 case VariantUnknown:
1152 case VariantLoadable:
1162 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1163 if( (len >= MSG_SIZ) && appData.debugMode )
1164 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1166 DisplayFatalError(buf, 0, 2);
1169 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1170 case VariantFairy: /* [HGM] TestLegality definitely off! */
1171 case VariantGothic: /* [HGM] should work */
1172 case VariantCapablanca: /* [HGM] should work */
1173 case VariantCourier: /* [HGM] initial forced moves not implemented */
1174 case VariantShogi: /* [HGM] could still mate with pawn drop */
1175 case VariantChu: /* [HGM] experimental */
1176 case VariantKnightmate: /* [HGM] should work */
1177 case VariantCylinder: /* [HGM] untested */
1178 case VariantFalcon: /* [HGM] untested */
1179 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1180 offboard interposition not understood */
1181 case VariantNormal: /* definitely works! */
1182 case VariantWildCastle: /* pieces not automatically shuffled */
1183 case VariantNoCastle: /* pieces not automatically shuffled */
1184 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1185 case VariantLosers: /* should work except for win condition,
1186 and doesn't know captures are mandatory */
1187 case VariantSuicide: /* should work except for win condition,
1188 and doesn't know captures are mandatory */
1189 case VariantGiveaway: /* should work except for win condition,
1190 and doesn't know captures are mandatory */
1191 case VariantTwoKings: /* should work */
1192 case VariantAtomic: /* should work except for win condition */
1193 case Variant3Check: /* should work except for win condition */
1194 case VariantShatranj: /* should work except for all win conditions */
1195 case VariantMakruk: /* should work except for draw countdown */
1196 case VariantASEAN : /* should work except for draw countdown */
1197 case VariantBerolina: /* might work if TestLegality is off */
1198 case VariantCapaRandom: /* should work */
1199 case VariantJanus: /* should work */
1200 case VariantSuper: /* experimental */
1201 case VariantGreat: /* experimental, requires legality testing to be off */
1202 case VariantSChess: /* S-Chess, should work */
1203 case VariantGrand: /* should work */
1204 case VariantSpartan: /* should work */
1205 case VariantLion: /* should work */
1213 NextIntegerFromString (char ** str, long * value)
1218 while( *s == ' ' || *s == '\t' ) {
1224 if( *s >= '0' && *s <= '9' ) {
1225 while( *s >= '0' && *s <= '9' ) {
1226 *value = *value * 10 + (*s - '0');
1239 NextTimeControlFromString (char ** str, long * value)
1242 int result = NextIntegerFromString( str, &temp );
1245 *value = temp * 60; /* Minutes */
1246 if( **str == ':' ) {
1248 result = NextIntegerFromString( str, &temp );
1249 *value += temp; /* Seconds */
1257 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1258 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1259 int result = -1, type = 0; long temp, temp2;
1261 if(**str != ':') return -1; // old params remain in force!
1263 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1264 if( NextIntegerFromString( str, &temp ) ) return -1;
1265 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1268 /* time only: incremental or sudden-death time control */
1269 if(**str == '+') { /* increment follows; read it */
1271 if(**str == '!') type = *(*str)++; // Bronstein TC
1272 if(result = NextIntegerFromString( str, &temp2)) return -1;
1273 *inc = temp2 * 1000;
1274 if(**str == '.') { // read fraction of increment
1275 char *start = ++(*str);
1276 if(result = NextIntegerFromString( str, &temp2)) return -1;
1278 while(start++ < *str) temp2 /= 10;
1282 *moves = 0; *tc = temp * 1000; *incType = type;
1286 (*str)++; /* classical time control */
1287 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1299 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1300 { /* [HGM] get time to add from the multi-session time-control string */
1301 int incType, moves=1; /* kludge to force reading of first session */
1302 long time, increment;
1305 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1307 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1308 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1309 if(movenr == -1) return time; /* last move before new session */
1310 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1311 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1312 if(!moves) return increment; /* current session is incremental */
1313 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1314 } while(movenr >= -1); /* try again for next session */
1316 return 0; // no new time quota on this move
1320 ParseTimeControl (char *tc, float ti, int mps)
1324 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1327 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1328 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1329 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1333 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1335 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1338 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1340 snprintf(buf, MSG_SIZ, ":%s", mytc);
1342 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1344 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1349 /* Parse second time control */
1352 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1360 timeControl_2 = tc2 * 1000;
1370 timeControl = tc1 * 1000;
1373 timeIncrement = ti * 1000; /* convert to ms */
1374 movesPerSession = 0;
1377 movesPerSession = mps;
1385 if (appData.debugMode) {
1386 # ifdef __GIT_VERSION
1387 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1389 fprintf(debugFP, "Version: %s\n", programVersion);
1392 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1394 set_cont_sequence(appData.wrapContSeq);
1395 if (appData.matchGames > 0) {
1396 appData.matchMode = TRUE;
1397 } else if (appData.matchMode) {
1398 appData.matchGames = 1;
1400 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1401 appData.matchGames = appData.sameColorGames;
1402 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1403 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1404 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1407 if (appData.noChessProgram || first.protocolVersion == 1) {
1410 /* kludge: allow timeout for initial "feature" commands */
1412 DisplayMessage("", _("Starting chess program"));
1413 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1418 CalculateIndex (int index, int gameNr)
1419 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1421 if(index > 0) return index; // fixed nmber
1422 if(index == 0) return 1;
1423 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1424 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1429 LoadGameOrPosition (int gameNr)
1430 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1431 if (*appData.loadGameFile != NULLCHAR) {
1432 if (!LoadGameFromFile(appData.loadGameFile,
1433 CalculateIndex(appData.loadGameIndex, gameNr),
1434 appData.loadGameFile, FALSE)) {
1435 DisplayFatalError(_("Bad game file"), 0, 1);
1438 } else if (*appData.loadPositionFile != NULLCHAR) {
1439 if (!LoadPositionFromFile(appData.loadPositionFile,
1440 CalculateIndex(appData.loadPositionIndex, gameNr),
1441 appData.loadPositionFile)) {
1442 DisplayFatalError(_("Bad position file"), 0, 1);
1450 ReserveGame (int gameNr, char resChar)
1452 FILE *tf = fopen(appData.tourneyFile, "r+");
1453 char *p, *q, c, buf[MSG_SIZ];
1454 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1455 safeStrCpy(buf, lastMsg, MSG_SIZ);
1456 DisplayMessage(_("Pick new game"), "");
1457 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1458 ParseArgsFromFile(tf);
1459 p = q = appData.results;
1460 if(appData.debugMode) {
1461 char *r = appData.participants;
1462 fprintf(debugFP, "results = '%s'\n", p);
1463 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1464 fprintf(debugFP, "\n");
1466 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1468 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1469 safeStrCpy(q, p, strlen(p) + 2);
1470 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1471 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1472 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1473 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1476 fseek(tf, -(strlen(p)+4), SEEK_END);
1478 if(c != '"') // depending on DOS or Unix line endings we can be one off
1479 fseek(tf, -(strlen(p)+2), SEEK_END);
1480 else fseek(tf, -(strlen(p)+3), SEEK_END);
1481 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1482 DisplayMessage(buf, "");
1483 free(p); appData.results = q;
1484 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1485 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1486 int round = appData.defaultMatchGames * appData.tourneyType;
1487 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1488 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1489 UnloadEngine(&first); // next game belongs to other pairing;
1490 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1492 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1496 MatchEvent (int mode)
1497 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1499 if(matchMode) { // already in match mode: switch it off
1501 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1504 // if(gameMode != BeginningOfGame) {
1505 // DisplayError(_("You can only start a match from the initial position."), 0);
1509 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1510 /* Set up machine vs. machine match */
1512 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1513 if(appData.tourneyFile[0]) {
1515 if(nextGame > appData.matchGames) {
1517 if(strchr(appData.results, '*') == NULL) {
1519 appData.tourneyCycles++;
1520 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1522 NextTourneyGame(-1, &dummy);
1524 if(nextGame <= appData.matchGames) {
1525 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1527 ScheduleDelayedEvent(NextMatchGame, 10000);
1532 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1533 DisplayError(buf, 0);
1534 appData.tourneyFile[0] = 0;
1538 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1539 DisplayFatalError(_("Can't have a match with no chess programs"),
1544 matchGame = roundNr = 1;
1545 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1549 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1552 InitBackEnd3 P((void))
1554 GameMode initialMode;
1558 InitChessProgram(&first, startedFromSetupPosition);
1560 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1561 free(programVersion);
1562 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1563 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1564 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1567 if (appData.icsActive) {
1569 /* [DM] Make a console window if needed [HGM] merged ifs */
1575 if (*appData.icsCommPort != NULLCHAR)
1576 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1577 appData.icsCommPort);
1579 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1580 appData.icsHost, appData.icsPort);
1582 if( (len >= MSG_SIZ) && appData.debugMode )
1583 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1585 DisplayFatalError(buf, err, 1);
1590 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1592 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1593 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1594 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1595 } else if (appData.noChessProgram) {
1601 if (*appData.cmailGameName != NULLCHAR) {
1603 OpenLoopback(&cmailPR);
1605 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1609 DisplayMessage("", "");
1610 if (StrCaseCmp(appData.initialMode, "") == 0) {
1611 initialMode = BeginningOfGame;
1612 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1613 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1614 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1615 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1618 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1619 initialMode = TwoMachinesPlay;
1620 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1621 initialMode = AnalyzeFile;
1622 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1623 initialMode = AnalyzeMode;
1624 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1625 initialMode = MachinePlaysWhite;
1626 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1627 initialMode = MachinePlaysBlack;
1628 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1629 initialMode = EditGame;
1630 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1631 initialMode = EditPosition;
1632 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1633 initialMode = Training;
1635 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1636 if( (len >= MSG_SIZ) && appData.debugMode )
1637 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1639 DisplayFatalError(buf, 0, 2);
1643 if (appData.matchMode) {
1644 if(appData.tourneyFile[0]) { // start tourney from command line
1646 if(f = fopen(appData.tourneyFile, "r")) {
1647 ParseArgsFromFile(f); // make sure tourney parmeters re known
1649 appData.clockMode = TRUE;
1651 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1654 } else if (*appData.cmailGameName != NULLCHAR) {
1655 /* Set up cmail mode */
1656 ReloadCmailMsgEvent(TRUE);
1658 /* Set up other modes */
1659 if (initialMode == AnalyzeFile) {
1660 if (*appData.loadGameFile == NULLCHAR) {
1661 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1665 if (*appData.loadGameFile != NULLCHAR) {
1666 (void) LoadGameFromFile(appData.loadGameFile,
1667 appData.loadGameIndex,
1668 appData.loadGameFile, TRUE);
1669 } else if (*appData.loadPositionFile != NULLCHAR) {
1670 (void) LoadPositionFromFile(appData.loadPositionFile,
1671 appData.loadPositionIndex,
1672 appData.loadPositionFile);
1673 /* [HGM] try to make self-starting even after FEN load */
1674 /* to allow automatic setup of fairy variants with wtm */
1675 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1676 gameMode = BeginningOfGame;
1677 setboardSpoiledMachineBlack = 1;
1679 /* [HGM] loadPos: make that every new game uses the setup */
1680 /* from file as long as we do not switch variant */
1681 if(!blackPlaysFirst) {
1682 startedFromPositionFile = TRUE;
1683 CopyBoard(filePosition, boards[0]);
1686 if (initialMode == AnalyzeMode) {
1687 if (appData.noChessProgram) {
1688 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1691 if (appData.icsActive) {
1692 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1696 } else if (initialMode == AnalyzeFile) {
1697 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1698 ShowThinkingEvent();
1700 AnalysisPeriodicEvent(1);
1701 } else if (initialMode == MachinePlaysWhite) {
1702 if (appData.noChessProgram) {
1703 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1707 if (appData.icsActive) {
1708 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1712 MachineWhiteEvent();
1713 } else if (initialMode == MachinePlaysBlack) {
1714 if (appData.noChessProgram) {
1715 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1719 if (appData.icsActive) {
1720 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1724 MachineBlackEvent();
1725 } else if (initialMode == TwoMachinesPlay) {
1726 if (appData.noChessProgram) {
1727 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1731 if (appData.icsActive) {
1732 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1737 } else if (initialMode == EditGame) {
1739 } else if (initialMode == EditPosition) {
1740 EditPositionEvent();
1741 } else if (initialMode == Training) {
1742 if (*appData.loadGameFile == NULLCHAR) {
1743 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1752 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1754 DisplayBook(current+1);
1756 MoveHistorySet( movelist, first, last, current, pvInfoList );
1758 EvalGraphSet( first, last, current, pvInfoList );
1760 MakeEngineOutputTitle();
1764 * Establish will establish a contact to a remote host.port.
1765 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1766 * used to talk to the host.
1767 * Returns 0 if okay, error code if not.
1774 if (*appData.icsCommPort != NULLCHAR) {
1775 /* Talk to the host through a serial comm port */
1776 return OpenCommPort(appData.icsCommPort, &icsPR);
1778 } else if (*appData.gateway != NULLCHAR) {
1779 if (*appData.remoteShell == NULLCHAR) {
1780 /* Use the rcmd protocol to run telnet program on a gateway host */
1781 snprintf(buf, sizeof(buf), "%s %s %s",
1782 appData.telnetProgram, appData.icsHost, appData.icsPort);
1783 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1786 /* Use the rsh program to run telnet program on a gateway host */
1787 if (*appData.remoteUser == NULLCHAR) {
1788 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1789 appData.gateway, appData.telnetProgram,
1790 appData.icsHost, appData.icsPort);
1792 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1793 appData.remoteShell, appData.gateway,
1794 appData.remoteUser, appData.telnetProgram,
1795 appData.icsHost, appData.icsPort);
1797 return StartChildProcess(buf, "", &icsPR);
1800 } else if (appData.useTelnet) {
1801 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1804 /* TCP socket interface differs somewhat between
1805 Unix and NT; handle details in the front end.
1807 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1812 EscapeExpand (char *p, char *q)
1813 { // [HGM] initstring: routine to shape up string arguments
1814 while(*p++ = *q++) if(p[-1] == '\\')
1816 case 'n': p[-1] = '\n'; break;
1817 case 'r': p[-1] = '\r'; break;
1818 case 't': p[-1] = '\t'; break;
1819 case '\\': p[-1] = '\\'; break;
1820 case 0: *p = 0; return;
1821 default: p[-1] = q[-1]; break;
1826 show_bytes (FILE *fp, char *buf, int count)
1829 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1830 fprintf(fp, "\\%03o", *buf & 0xff);
1839 /* Returns an errno value */
1841 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1843 char buf[8192], *p, *q, *buflim;
1844 int left, newcount, outcount;
1846 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1847 *appData.gateway != NULLCHAR) {
1848 if (appData.debugMode) {
1849 fprintf(debugFP, ">ICS: ");
1850 show_bytes(debugFP, message, count);
1851 fprintf(debugFP, "\n");
1853 return OutputToProcess(pr, message, count, outError);
1856 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1863 if (appData.debugMode) {
1864 fprintf(debugFP, ">ICS: ");
1865 show_bytes(debugFP, buf, newcount);
1866 fprintf(debugFP, "\n");
1868 outcount = OutputToProcess(pr, buf, newcount, outError);
1869 if (outcount < newcount) return -1; /* to be sure */
1876 } else if (((unsigned char) *p) == TN_IAC) {
1877 *q++ = (char) TN_IAC;
1884 if (appData.debugMode) {
1885 fprintf(debugFP, ">ICS: ");
1886 show_bytes(debugFP, buf, newcount);
1887 fprintf(debugFP, "\n");
1889 outcount = OutputToProcess(pr, buf, newcount, outError);
1890 if (outcount < newcount) return -1; /* to be sure */
1895 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1897 int outError, outCount;
1898 static int gotEof = 0;
1901 /* Pass data read from player on to ICS */
1904 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1905 if (outCount < count) {
1906 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1908 if(have_sent_ICS_logon == 2) {
1909 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1910 fprintf(ini, "%s", message);
1911 have_sent_ICS_logon = 3;
1913 have_sent_ICS_logon = 1;
1914 } else if(have_sent_ICS_logon == 3) {
1915 fprintf(ini, "%s", message);
1917 have_sent_ICS_logon = 1;
1919 } else if (count < 0) {
1920 RemoveInputSource(isr);
1921 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1922 } else if (gotEof++ > 0) {
1923 RemoveInputSource(isr);
1924 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1930 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1931 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1932 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1933 SendToICS("date\n");
1934 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1937 /* added routine for printf style output to ics */
1939 ics_printf (char *format, ...)
1941 char buffer[MSG_SIZ];
1944 va_start(args, format);
1945 vsnprintf(buffer, sizeof(buffer), format, args);
1946 buffer[sizeof(buffer)-1] = '\0';
1954 int count, outCount, outError;
1956 if (icsPR == NoProc) return;
1959 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1960 if (outCount < count) {
1961 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1965 /* This is used for sending logon scripts to the ICS. Sending
1966 without a delay causes problems when using timestamp on ICC
1967 (at least on my machine). */
1969 SendToICSDelayed (char *s, long msdelay)
1971 int count, outCount, outError;
1973 if (icsPR == NoProc) return;
1976 if (appData.debugMode) {
1977 fprintf(debugFP, ">ICS: ");
1978 show_bytes(debugFP, s, count);
1979 fprintf(debugFP, "\n");
1981 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1983 if (outCount < count) {
1984 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1989 /* Remove all highlighting escape sequences in s
1990 Also deletes any suffix starting with '('
1993 StripHighlightAndTitle (char *s)
1995 static char retbuf[MSG_SIZ];
1998 while (*s != NULLCHAR) {
1999 while (*s == '\033') {
2000 while (*s != NULLCHAR && !isalpha(*s)) s++;
2001 if (*s != NULLCHAR) s++;
2003 while (*s != NULLCHAR && *s != '\033') {
2004 if (*s == '(' || *s == '[') {
2015 /* Remove all highlighting escape sequences in s */
2017 StripHighlight (char *s)
2019 static char retbuf[MSG_SIZ];
2022 while (*s != NULLCHAR) {
2023 while (*s == '\033') {
2024 while (*s != NULLCHAR && !isalpha(*s)) s++;
2025 if (*s != NULLCHAR) s++;
2027 while (*s != NULLCHAR && *s != '\033') {
2035 char engineVariant[MSG_SIZ];
2036 char *variantNames[] = VARIANT_NAMES;
2038 VariantName (VariantClass v)
2040 if(v == VariantUnknown || *engineVariant) return engineVariant;
2041 return variantNames[v];
2045 /* Identify a variant from the strings the chess servers use or the
2046 PGN Variant tag names we use. */
2048 StringToVariant (char *e)
2052 VariantClass v = VariantNormal;
2053 int i, found = FALSE;
2059 /* [HGM] skip over optional board-size prefixes */
2060 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2061 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2062 while( *e++ != '_');
2065 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2069 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2070 if (StrCaseStr(e, variantNames[i])) {
2071 v = (VariantClass) i;
2078 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2079 || StrCaseStr(e, "wild/fr")
2080 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2081 v = VariantFischeRandom;
2082 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2083 (i = 1, p = StrCaseStr(e, "w"))) {
2085 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2092 case 0: /* FICS only, actually */
2094 /* Castling legal even if K starts on d-file */
2095 v = VariantWildCastle;
2100 /* Castling illegal even if K & R happen to start in
2101 normal positions. */
2102 v = VariantNoCastle;
2115 /* Castling legal iff K & R start in normal positions */
2121 /* Special wilds for position setup; unclear what to do here */
2122 v = VariantLoadable;
2125 /* Bizarre ICC game */
2126 v = VariantTwoKings;
2129 v = VariantKriegspiel;
2135 v = VariantFischeRandom;
2138 v = VariantCrazyhouse;
2141 v = VariantBughouse;
2147 /* Not quite the same as FICS suicide! */
2148 v = VariantGiveaway;
2154 v = VariantShatranj;
2157 /* Temporary names for future ICC types. The name *will* change in
2158 the next xboard/WinBoard release after ICC defines it. */
2196 v = VariantCapablanca;
2199 v = VariantKnightmate;
2205 v = VariantCylinder;
2211 v = VariantCapaRandom;
2214 v = VariantBerolina;
2226 /* Found "wild" or "w" in the string but no number;
2227 must assume it's normal chess. */
2231 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2232 if( (len >= MSG_SIZ) && appData.debugMode )
2233 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2235 DisplayError(buf, 0);
2241 if (appData.debugMode) {
2242 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2243 e, wnum, VariantName(v));
2248 static int leftover_start = 0, leftover_len = 0;
2249 char star_match[STAR_MATCH_N][MSG_SIZ];
2251 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2252 advance *index beyond it, and set leftover_start to the new value of
2253 *index; else return FALSE. If pattern contains the character '*', it
2254 matches any sequence of characters not containing '\r', '\n', or the
2255 character following the '*' (if any), and the matched sequence(s) are
2256 copied into star_match.
2259 looking_at ( char *buf, int *index, char *pattern)
2261 char *bufp = &buf[*index], *patternp = pattern;
2263 char *matchp = star_match[0];
2266 if (*patternp == NULLCHAR) {
2267 *index = leftover_start = bufp - buf;
2271 if (*bufp == NULLCHAR) return FALSE;
2272 if (*patternp == '*') {
2273 if (*bufp == *(patternp + 1)) {
2275 matchp = star_match[++star_count];
2279 } else if (*bufp == '\n' || *bufp == '\r') {
2281 if (*patternp == NULLCHAR)
2286 *matchp++ = *bufp++;
2290 if (*patternp != *bufp) return FALSE;
2297 SendToPlayer (char *data, int length)
2299 int error, outCount;
2300 outCount = OutputToProcess(NoProc, data, length, &error);
2301 if (outCount < length) {
2302 DisplayFatalError(_("Error writing to display"), error, 1);
2307 PackHolding (char packed[], char *holding)
2317 switch (runlength) {
2328 sprintf(q, "%d", runlength);
2340 /* Telnet protocol requests from the front end */
2342 TelnetRequest (unsigned char ddww, unsigned char option)
2344 unsigned char msg[3];
2345 int outCount, outError;
2347 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2349 if (appData.debugMode) {
2350 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2366 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2375 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2378 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2383 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2385 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2392 if (!appData.icsActive) return;
2393 TelnetRequest(TN_DO, TN_ECHO);
2399 if (!appData.icsActive) return;
2400 TelnetRequest(TN_DONT, TN_ECHO);
2404 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2406 /* put the holdings sent to us by the server on the board holdings area */
2407 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2411 if(gameInfo.holdingsWidth < 2) return;
2412 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2413 return; // prevent overwriting by pre-board holdings
2415 if( (int)lowestPiece >= BlackPawn ) {
2418 holdingsStartRow = BOARD_HEIGHT-1;
2421 holdingsColumn = BOARD_WIDTH-1;
2422 countsColumn = BOARD_WIDTH-2;
2423 holdingsStartRow = 0;
2427 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2428 board[i][holdingsColumn] = EmptySquare;
2429 board[i][countsColumn] = (ChessSquare) 0;
2431 while( (p=*holdings++) != NULLCHAR ) {
2432 piece = CharToPiece( ToUpper(p) );
2433 if(piece == EmptySquare) continue;
2434 /*j = (int) piece - (int) WhitePawn;*/
2435 j = PieceToNumber(piece);
2436 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2437 if(j < 0) continue; /* should not happen */
2438 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2439 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2440 board[holdingsStartRow+j*direction][countsColumn]++;
2446 VariantSwitch (Board board, VariantClass newVariant)
2448 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2449 static Board oldBoard;
2451 startedFromPositionFile = FALSE;
2452 if(gameInfo.variant == newVariant) return;
2454 /* [HGM] This routine is called each time an assignment is made to
2455 * gameInfo.variant during a game, to make sure the board sizes
2456 * are set to match the new variant. If that means adding or deleting
2457 * holdings, we shift the playing board accordingly
2458 * This kludge is needed because in ICS observe mode, we get boards
2459 * of an ongoing game without knowing the variant, and learn about the
2460 * latter only later. This can be because of the move list we requested,
2461 * in which case the game history is refilled from the beginning anyway,
2462 * but also when receiving holdings of a crazyhouse game. In the latter
2463 * case we want to add those holdings to the already received position.
2467 if (appData.debugMode) {
2468 fprintf(debugFP, "Switch board from %s to %s\n",
2469 VariantName(gameInfo.variant), VariantName(newVariant));
2470 setbuf(debugFP, NULL);
2472 shuffleOpenings = 0; /* [HGM] shuffle */
2473 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2477 newWidth = 9; newHeight = 9;
2478 gameInfo.holdingsSize = 7;
2479 case VariantBughouse:
2480 case VariantCrazyhouse:
2481 newHoldingsWidth = 2; break;
2485 newHoldingsWidth = 2;
2486 gameInfo.holdingsSize = 8;
2489 case VariantCapablanca:
2490 case VariantCapaRandom:
2493 newHoldingsWidth = gameInfo.holdingsSize = 0;
2496 if(newWidth != gameInfo.boardWidth ||
2497 newHeight != gameInfo.boardHeight ||
2498 newHoldingsWidth != gameInfo.holdingsWidth ) {
2500 /* shift position to new playing area, if needed */
2501 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2502 for(i=0; i<BOARD_HEIGHT; i++)
2503 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2504 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2506 for(i=0; i<newHeight; i++) {
2507 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2508 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2510 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2511 for(i=0; i<BOARD_HEIGHT; i++)
2512 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2513 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2516 board[HOLDINGS_SET] = 0;
2517 gameInfo.boardWidth = newWidth;
2518 gameInfo.boardHeight = newHeight;
2519 gameInfo.holdingsWidth = newHoldingsWidth;
2520 gameInfo.variant = newVariant;
2521 InitDrawingSizes(-2, 0);
2522 } else gameInfo.variant = newVariant;
2523 CopyBoard(oldBoard, board); // remember correctly formatted board
2524 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2525 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2528 static int loggedOn = FALSE;
2530 /*-- Game start info cache: --*/
2532 char gs_kind[MSG_SIZ];
2533 static char player1Name[128] = "";
2534 static char player2Name[128] = "";
2535 static char cont_seq[] = "\n\\ ";
2536 static int player1Rating = -1;
2537 static int player2Rating = -1;
2538 /*----------------------------*/
2540 ColorClass curColor = ColorNormal;
2541 int suppressKibitz = 0;
2544 Boolean soughtPending = FALSE;
2545 Boolean seekGraphUp;
2546 #define MAX_SEEK_ADS 200
2548 char *seekAdList[MAX_SEEK_ADS];
2549 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2550 float tcList[MAX_SEEK_ADS];
2551 char colorList[MAX_SEEK_ADS];
2552 int nrOfSeekAds = 0;
2553 int minRating = 1010, maxRating = 2800;
2554 int hMargin = 10, vMargin = 20, h, w;
2555 extern int squareSize, lineGap;
2560 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2561 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2562 if(r < minRating+100 && r >=0 ) r = minRating+100;
2563 if(r > maxRating) r = maxRating;
2564 if(tc < 1.f) tc = 1.f;
2565 if(tc > 95.f) tc = 95.f;
2566 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2567 y = ((double)r - minRating)/(maxRating - minRating)
2568 * (h-vMargin-squareSize/8-1) + vMargin;
2569 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2570 if(strstr(seekAdList[i], " u ")) color = 1;
2571 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2572 !strstr(seekAdList[i], "bullet") &&
2573 !strstr(seekAdList[i], "blitz") &&
2574 !strstr(seekAdList[i], "standard") ) color = 2;
2575 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2576 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2580 PlotSingleSeekAd (int i)
2586 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2588 char buf[MSG_SIZ], *ext = "";
2589 VariantClass v = StringToVariant(type);
2590 if(strstr(type, "wild")) {
2591 ext = type + 4; // append wild number
2592 if(v == VariantFischeRandom) type = "chess960"; else
2593 if(v == VariantLoadable) type = "setup"; else
2594 type = VariantName(v);
2596 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2597 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2598 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2599 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2600 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2601 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2602 seekNrList[nrOfSeekAds] = nr;
2603 zList[nrOfSeekAds] = 0;
2604 seekAdList[nrOfSeekAds++] = StrSave(buf);
2605 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2610 EraseSeekDot (int i)
2612 int x = xList[i], y = yList[i], d=squareSize/4, k;
2613 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2614 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2615 // now replot every dot that overlapped
2616 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2617 int xx = xList[k], yy = yList[k];
2618 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2619 DrawSeekDot(xx, yy, colorList[k]);
2624 RemoveSeekAd (int nr)
2627 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2629 if(seekAdList[i]) free(seekAdList[i]);
2630 seekAdList[i] = seekAdList[--nrOfSeekAds];
2631 seekNrList[i] = seekNrList[nrOfSeekAds];
2632 ratingList[i] = ratingList[nrOfSeekAds];
2633 colorList[i] = colorList[nrOfSeekAds];
2634 tcList[i] = tcList[nrOfSeekAds];
2635 xList[i] = xList[nrOfSeekAds];
2636 yList[i] = yList[nrOfSeekAds];
2637 zList[i] = zList[nrOfSeekAds];
2638 seekAdList[nrOfSeekAds] = NULL;
2644 MatchSoughtLine (char *line)
2646 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2647 int nr, base, inc, u=0; char dummy;
2649 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2650 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2652 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2653 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2654 // match: compact and save the line
2655 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2665 if(!seekGraphUp) return FALSE;
2666 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2667 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2669 DrawSeekBackground(0, 0, w, h);
2670 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2671 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2672 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2673 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2675 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2678 snprintf(buf, MSG_SIZ, "%d", i);
2679 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2682 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2683 for(i=1; i<100; i+=(i<10?1:5)) {
2684 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2685 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2686 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2688 snprintf(buf, MSG_SIZ, "%d", i);
2689 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2692 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2697 SeekGraphClick (ClickType click, int x, int y, int moving)
2699 static int lastDown = 0, displayed = 0, lastSecond;
2700 if(y < 0) return FALSE;
2701 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2702 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2703 if(!seekGraphUp) return FALSE;
2704 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2705 DrawPosition(TRUE, NULL);
2708 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2709 if(click == Release || moving) return FALSE;
2711 soughtPending = TRUE;
2712 SendToICS(ics_prefix);
2713 SendToICS("sought\n"); // should this be "sought all"?
2714 } else { // issue challenge based on clicked ad
2715 int dist = 10000; int i, closest = 0, second = 0;
2716 for(i=0; i<nrOfSeekAds; i++) {
2717 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2718 if(d < dist) { dist = d; closest = i; }
2719 second += (d - zList[i] < 120); // count in-range ads
2720 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2724 second = (second > 1);
2725 if(displayed != closest || second != lastSecond) {
2726 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2727 lastSecond = second; displayed = closest;
2729 if(click == Press) {
2730 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2733 } // on press 'hit', only show info
2734 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2735 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2736 SendToICS(ics_prefix);
2738 return TRUE; // let incoming board of started game pop down the graph
2739 } else if(click == Release) { // release 'miss' is ignored
2740 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2741 if(moving == 2) { // right up-click
2742 nrOfSeekAds = 0; // refresh graph
2743 soughtPending = TRUE;
2744 SendToICS(ics_prefix);
2745 SendToICS("sought\n"); // should this be "sought all"?
2748 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2749 // press miss or release hit 'pop down' seek graph
2750 seekGraphUp = FALSE;
2751 DrawPosition(TRUE, NULL);
2757 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2759 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2760 #define STARTED_NONE 0
2761 #define STARTED_MOVES 1
2762 #define STARTED_BOARD 2
2763 #define STARTED_OBSERVE 3
2764 #define STARTED_HOLDINGS 4
2765 #define STARTED_CHATTER 5
2766 #define STARTED_COMMENT 6
2767 #define STARTED_MOVES_NOHIDE 7
2769 static int started = STARTED_NONE;
2770 static char parse[20000];
2771 static int parse_pos = 0;
2772 static char buf[BUF_SIZE + 1];
2773 static int firstTime = TRUE, intfSet = FALSE;
2774 static ColorClass prevColor = ColorNormal;
2775 static int savingComment = FALSE;
2776 static int cmatch = 0; // continuation sequence match
2783 int backup; /* [DM] For zippy color lines */
2785 char talker[MSG_SIZ]; // [HGM] chat
2788 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2790 if (appData.debugMode) {
2792 fprintf(debugFP, "<ICS: ");
2793 show_bytes(debugFP, data, count);
2794 fprintf(debugFP, "\n");
2798 if (appData.debugMode) { int f = forwardMostMove;
2799 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2800 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2801 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2804 /* If last read ended with a partial line that we couldn't parse,
2805 prepend it to the new read and try again. */
2806 if (leftover_len > 0) {
2807 for (i=0; i<leftover_len; i++)
2808 buf[i] = buf[leftover_start + i];
2811 /* copy new characters into the buffer */
2812 bp = buf + leftover_len;
2813 buf_len=leftover_len;
2814 for (i=0; i<count; i++)
2817 if (data[i] == '\r')
2820 // join lines split by ICS?
2821 if (!appData.noJoin)
2824 Joining just consists of finding matches against the
2825 continuation sequence, and discarding that sequence
2826 if found instead of copying it. So, until a match
2827 fails, there's nothing to do since it might be the
2828 complete sequence, and thus, something we don't want
2831 if (data[i] == cont_seq[cmatch])
2834 if (cmatch == strlen(cont_seq))
2836 cmatch = 0; // complete match. just reset the counter
2839 it's possible for the ICS to not include the space
2840 at the end of the last word, making our [correct]
2841 join operation fuse two separate words. the server
2842 does this when the space occurs at the width setting.
2844 if (!buf_len || buf[buf_len-1] != ' ')
2855 match failed, so we have to copy what matched before
2856 falling through and copying this character. In reality,
2857 this will only ever be just the newline character, but
2858 it doesn't hurt to be precise.
2860 strncpy(bp, cont_seq, cmatch);
2872 buf[buf_len] = NULLCHAR;
2873 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2878 while (i < buf_len) {
2879 /* Deal with part of the TELNET option negotiation
2880 protocol. We refuse to do anything beyond the
2881 defaults, except that we allow the WILL ECHO option,
2882 which ICS uses to turn off password echoing when we are
2883 directly connected to it. We reject this option
2884 if localLineEditing mode is on (always on in xboard)
2885 and we are talking to port 23, which might be a real
2886 telnet server that will try to keep WILL ECHO on permanently.
2888 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2889 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2890 unsigned char option;
2892 switch ((unsigned char) buf[++i]) {
2894 if (appData.debugMode)
2895 fprintf(debugFP, "\n<WILL ");
2896 switch (option = (unsigned char) buf[++i]) {
2898 if (appData.debugMode)
2899 fprintf(debugFP, "ECHO ");
2900 /* Reply only if this is a change, according
2901 to the protocol rules. */
2902 if (remoteEchoOption) break;
2903 if (appData.localLineEditing &&
2904 atoi(appData.icsPort) == TN_PORT) {
2905 TelnetRequest(TN_DONT, TN_ECHO);
2908 TelnetRequest(TN_DO, TN_ECHO);
2909 remoteEchoOption = TRUE;
2913 if (appData.debugMode)
2914 fprintf(debugFP, "%d ", option);
2915 /* Whatever this is, we don't want it. */
2916 TelnetRequest(TN_DONT, option);
2921 if (appData.debugMode)
2922 fprintf(debugFP, "\n<WONT ");
2923 switch (option = (unsigned char) buf[++i]) {
2925 if (appData.debugMode)
2926 fprintf(debugFP, "ECHO ");
2927 /* Reply only if this is a change, according
2928 to the protocol rules. */
2929 if (!remoteEchoOption) break;
2931 TelnetRequest(TN_DONT, TN_ECHO);
2932 remoteEchoOption = FALSE;
2935 if (appData.debugMode)
2936 fprintf(debugFP, "%d ", (unsigned char) option);
2937 /* Whatever this is, it must already be turned
2938 off, because we never agree to turn on
2939 anything non-default, so according to the
2940 protocol rules, we don't reply. */
2945 if (appData.debugMode)
2946 fprintf(debugFP, "\n<DO ");
2947 switch (option = (unsigned char) buf[++i]) {
2949 /* Whatever this is, we refuse to do it. */
2950 if (appData.debugMode)
2951 fprintf(debugFP, "%d ", option);
2952 TelnetRequest(TN_WONT, option);
2957 if (appData.debugMode)
2958 fprintf(debugFP, "\n<DONT ");
2959 switch (option = (unsigned char) buf[++i]) {
2961 if (appData.debugMode)
2962 fprintf(debugFP, "%d ", option);
2963 /* Whatever this is, we are already not doing
2964 it, because we never agree to do anything
2965 non-default, so according to the protocol
2966 rules, we don't reply. */
2971 if (appData.debugMode)
2972 fprintf(debugFP, "\n<IAC ");
2973 /* Doubled IAC; pass it through */
2977 if (appData.debugMode)
2978 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2979 /* Drop all other telnet commands on the floor */
2982 if (oldi > next_out)
2983 SendToPlayer(&buf[next_out], oldi - next_out);
2989 /* OK, this at least will *usually* work */
2990 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2994 if (loggedOn && !intfSet) {
2995 if (ics_type == ICS_ICC) {
2996 snprintf(str, MSG_SIZ,
2997 "/set-quietly interface %s\n/set-quietly style 12\n",
2999 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3000 strcat(str, "/set-2 51 1\n/set seek 1\n");
3001 } else if (ics_type == ICS_CHESSNET) {
3002 snprintf(str, MSG_SIZ, "/style 12\n");
3004 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3005 strcat(str, programVersion);
3006 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3007 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3008 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3010 strcat(str, "$iset nohighlight 1\n");
3012 strcat(str, "$iset lock 1\n$style 12\n");
3015 NotifyFrontendLogin();
3019 if (started == STARTED_COMMENT) {
3020 /* Accumulate characters in comment */
3021 parse[parse_pos++] = buf[i];
3022 if (buf[i] == '\n') {
3023 parse[parse_pos] = NULLCHAR;
3024 if(chattingPartner>=0) {
3026 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3027 OutputChatMessage(chattingPartner, mess);
3028 chattingPartner = -1;
3029 next_out = i+1; // [HGM] suppress printing in ICS window
3031 if(!suppressKibitz) // [HGM] kibitz
3032 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3033 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3034 int nrDigit = 0, nrAlph = 0, j;
3035 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3036 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3037 parse[parse_pos] = NULLCHAR;
3038 // try to be smart: if it does not look like search info, it should go to
3039 // ICS interaction window after all, not to engine-output window.
3040 for(j=0; j<parse_pos; j++) { // count letters and digits
3041 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3042 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3043 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3045 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3046 int depth=0; float score;
3047 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3048 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3049 pvInfoList[forwardMostMove-1].depth = depth;
3050 pvInfoList[forwardMostMove-1].score = 100*score;
3052 OutputKibitz(suppressKibitz, parse);
3055 if(gameMode == IcsObserving) // restore original ICS messages
3056 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3057 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3059 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3060 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3061 SendToPlayer(tmp, strlen(tmp));
3063 next_out = i+1; // [HGM] suppress printing in ICS window
3065 started = STARTED_NONE;
3067 /* Don't match patterns against characters in comment */
3072 if (started == STARTED_CHATTER) {
3073 if (buf[i] != '\n') {
3074 /* Don't match patterns against characters in chatter */
3078 started = STARTED_NONE;
3079 if(suppressKibitz) next_out = i+1;
3082 /* Kludge to deal with rcmd protocol */
3083 if (firstTime && looking_at(buf, &i, "\001*")) {
3084 DisplayFatalError(&buf[1], 0, 1);
3090 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3093 if (appData.debugMode)
3094 fprintf(debugFP, "ics_type %d\n", ics_type);
3097 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3098 ics_type = ICS_FICS;
3100 if (appData.debugMode)
3101 fprintf(debugFP, "ics_type %d\n", ics_type);
3104 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3105 ics_type = ICS_CHESSNET;
3107 if (appData.debugMode)
3108 fprintf(debugFP, "ics_type %d\n", ics_type);
3113 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3114 looking_at(buf, &i, "Logging you in as \"*\"") ||
3115 looking_at(buf, &i, "will be \"*\""))) {
3116 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3120 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3122 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3123 DisplayIcsInteractionTitle(buf);
3124 have_set_title = TRUE;
3127 /* skip finger notes */
3128 if (started == STARTED_NONE &&
3129 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3130 (buf[i] == '1' && buf[i+1] == '0')) &&
3131 buf[i+2] == ':' && buf[i+3] == ' ') {
3132 started = STARTED_CHATTER;
3138 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3139 if(appData.seekGraph) {
3140 if(soughtPending && MatchSoughtLine(buf+i)) {
3141 i = strstr(buf+i, "rated") - buf;
3142 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3143 next_out = leftover_start = i;
3144 started = STARTED_CHATTER;
3145 suppressKibitz = TRUE;
3148 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3149 && looking_at(buf, &i, "* ads displayed")) {
3150 soughtPending = FALSE;
3155 if(appData.autoRefresh) {
3156 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3157 int s = (ics_type == ICS_ICC); // ICC format differs
3159 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3160 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3161 looking_at(buf, &i, "*% "); // eat prompt
3162 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3163 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3164 next_out = i; // suppress
3167 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3168 char *p = star_match[0];
3170 if(seekGraphUp) RemoveSeekAd(atoi(p));
3171 while(*p && *p++ != ' '); // next
3173 looking_at(buf, &i, "*% "); // eat prompt
3174 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3181 /* skip formula vars */
3182 if (started == STARTED_NONE &&
3183 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3184 started = STARTED_CHATTER;
3189 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3190 if (appData.autoKibitz && started == STARTED_NONE &&
3191 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3192 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3193 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3194 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3195 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3196 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3197 suppressKibitz = TRUE;
3198 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3200 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3201 && (gameMode == IcsPlayingWhite)) ||
3202 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3203 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3204 started = STARTED_CHATTER; // own kibitz we simply discard
3206 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3207 parse_pos = 0; parse[0] = NULLCHAR;
3208 savingComment = TRUE;
3209 suppressKibitz = gameMode != IcsObserving ? 2 :
3210 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3214 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3215 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3216 && atoi(star_match[0])) {
3217 // suppress the acknowledgements of our own autoKibitz
3219 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3220 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3221 SendToPlayer(star_match[0], strlen(star_match[0]));
3222 if(looking_at(buf, &i, "*% ")) // eat prompt
3223 suppressKibitz = FALSE;
3227 } // [HGM] kibitz: end of patch
3229 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3231 // [HGM] chat: intercept tells by users for which we have an open chat window
3233 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3234 looking_at(buf, &i, "* whispers:") ||
3235 looking_at(buf, &i, "* kibitzes:") ||
3236 looking_at(buf, &i, "* shouts:") ||
3237 looking_at(buf, &i, "* c-shouts:") ||
3238 looking_at(buf, &i, "--> * ") ||
3239 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3240 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3241 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3242 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3244 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3245 chattingPartner = -1;
3247 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3248 for(p=0; p<MAX_CHAT; p++) {
3249 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3250 talker[0] = '['; strcat(talker, "] ");
3251 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3252 chattingPartner = p; break;
3255 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3256 for(p=0; p<MAX_CHAT; p++) {
3257 if(!strcmp("kibitzes", chatPartner[p])) {
3258 talker[0] = '['; strcat(talker, "] ");
3259 chattingPartner = p; break;
3262 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3263 for(p=0; p<MAX_CHAT; p++) {
3264 if(!strcmp("whispers", chatPartner[p])) {
3265 talker[0] = '['; strcat(talker, "] ");
3266 chattingPartner = p; break;
3269 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3270 if(buf[i-8] == '-' && buf[i-3] == 't')
3271 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3272 if(!strcmp("c-shouts", chatPartner[p])) {
3273 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3274 chattingPartner = p; break;
3277 if(chattingPartner < 0)
3278 for(p=0; p<MAX_CHAT; p++) {
3279 if(!strcmp("shouts", chatPartner[p])) {
3280 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3281 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3282 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3283 chattingPartner = p; break;
3287 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3288 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3289 talker[0] = 0; Colorize(ColorTell, FALSE);
3290 chattingPartner = p; break;
3292 if(chattingPartner<0) i = oldi; else {
3293 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3294 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3295 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3296 started = STARTED_COMMENT;
3297 parse_pos = 0; parse[0] = NULLCHAR;
3298 savingComment = 3 + chattingPartner; // counts as TRUE
3299 suppressKibitz = TRUE;
3302 } // [HGM] chat: end of patch
3305 if (appData.zippyTalk || appData.zippyPlay) {
3306 /* [DM] Backup address for color zippy lines */
3308 if (loggedOn == TRUE)
3309 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3310 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3312 } // [DM] 'else { ' deleted
3314 /* Regular tells and says */
3315 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3316 looking_at(buf, &i, "* (your partner) tells you: ") ||
3317 looking_at(buf, &i, "* says: ") ||
3318 /* Don't color "message" or "messages" output */
3319 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3320 looking_at(buf, &i, "*. * at *:*: ") ||
3321 looking_at(buf, &i, "--* (*:*): ") ||
3322 /* Message notifications (same color as tells) */
3323 looking_at(buf, &i, "* has left a message ") ||
3324 looking_at(buf, &i, "* just sent you a message:\n") ||
3325 /* Whispers and kibitzes */
3326 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3327 looking_at(buf, &i, "* kibitzes: ") ||
3329 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3331 if (tkind == 1 && strchr(star_match[0], ':')) {
3332 /* Avoid "tells you:" spoofs in channels */
3335 if (star_match[0][0] == NULLCHAR ||
3336 strchr(star_match[0], ' ') ||
3337 (tkind == 3 && strchr(star_match[1], ' '))) {
3338 /* Reject bogus matches */
3341 if (appData.colorize) {
3342 if (oldi > next_out) {
3343 SendToPlayer(&buf[next_out], oldi - next_out);
3348 Colorize(ColorTell, FALSE);
3349 curColor = ColorTell;
3352 Colorize(ColorKibitz, FALSE);
3353 curColor = ColorKibitz;
3356 p = strrchr(star_match[1], '(');
3363 Colorize(ColorChannel1, FALSE);
3364 curColor = ColorChannel1;
3366 Colorize(ColorChannel, FALSE);
3367 curColor = ColorChannel;
3371 curColor = ColorNormal;
3375 if (started == STARTED_NONE && appData.autoComment &&
3376 (gameMode == IcsObserving ||
3377 gameMode == IcsPlayingWhite ||
3378 gameMode == IcsPlayingBlack)) {
3379 parse_pos = i - oldi;
3380 memcpy(parse, &buf[oldi], parse_pos);
3381 parse[parse_pos] = NULLCHAR;
3382 started = STARTED_COMMENT;
3383 savingComment = TRUE;
3385 started = STARTED_CHATTER;
3386 savingComment = FALSE;
3393 if (looking_at(buf, &i, "* s-shouts: ") ||
3394 looking_at(buf, &i, "* c-shouts: ")) {
3395 if (appData.colorize) {
3396 if (oldi > next_out) {
3397 SendToPlayer(&buf[next_out], oldi - next_out);
3400 Colorize(ColorSShout, FALSE);
3401 curColor = ColorSShout;
3404 started = STARTED_CHATTER;
3408 if (looking_at(buf, &i, "--->")) {
3413 if (looking_at(buf, &i, "* shouts: ") ||
3414 looking_at(buf, &i, "--> ")) {
3415 if (appData.colorize) {
3416 if (oldi > next_out) {
3417 SendToPlayer(&buf[next_out], oldi - next_out);
3420 Colorize(ColorShout, FALSE);
3421 curColor = ColorShout;
3424 started = STARTED_CHATTER;
3428 if (looking_at( buf, &i, "Challenge:")) {
3429 if (appData.colorize) {
3430 if (oldi > next_out) {
3431 SendToPlayer(&buf[next_out], oldi - next_out);
3434 Colorize(ColorChallenge, FALSE);
3435 curColor = ColorChallenge;
3441 if (looking_at(buf, &i, "* offers you") ||
3442 looking_at(buf, &i, "* offers to be") ||
3443 looking_at(buf, &i, "* would like to") ||
3444 looking_at(buf, &i, "* requests to") ||
3445 looking_at(buf, &i, "Your opponent offers") ||
3446 looking_at(buf, &i, "Your opponent requests")) {
3448 if (appData.colorize) {
3449 if (oldi > next_out) {
3450 SendToPlayer(&buf[next_out], oldi - next_out);
3453 Colorize(ColorRequest, FALSE);
3454 curColor = ColorRequest;
3459 if (looking_at(buf, &i, "* (*) seeking")) {
3460 if (appData.colorize) {
3461 if (oldi > next_out) {
3462 SendToPlayer(&buf[next_out], oldi - next_out);
3465 Colorize(ColorSeek, FALSE);
3466 curColor = ColorSeek;
3471 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3473 if (looking_at(buf, &i, "\\ ")) {
3474 if (prevColor != ColorNormal) {
3475 if (oldi > next_out) {
3476 SendToPlayer(&buf[next_out], oldi - next_out);
3479 Colorize(prevColor, TRUE);
3480 curColor = prevColor;
3482 if (savingComment) {
3483 parse_pos = i - oldi;
3484 memcpy(parse, &buf[oldi], parse_pos);
3485 parse[parse_pos] = NULLCHAR;
3486 started = STARTED_COMMENT;
3487 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3488 chattingPartner = savingComment - 3; // kludge to remember the box
3490 started = STARTED_CHATTER;
3495 if (looking_at(buf, &i, "Black Strength :") ||
3496 looking_at(buf, &i, "<<< style 10 board >>>") ||
3497 looking_at(buf, &i, "<10>") ||
3498 looking_at(buf, &i, "#@#")) {
3499 /* Wrong board style */
3501 SendToICS(ics_prefix);
3502 SendToICS("set style 12\n");
3503 SendToICS(ics_prefix);
3504 SendToICS("refresh\n");
3508 if (looking_at(buf, &i, "login:")) {
3509 if (!have_sent_ICS_logon) {
3511 have_sent_ICS_logon = 1;
3512 else // no init script was found
3513 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3514 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3515 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3520 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3521 (looking_at(buf, &i, "\n<12> ") ||
3522 looking_at(buf, &i, "<12> "))) {
3524 if (oldi > next_out) {
3525 SendToPlayer(&buf[next_out], oldi - next_out);
3528 started = STARTED_BOARD;
3533 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3534 looking_at(buf, &i, "<b1> ")) {
3535 if (oldi > next_out) {
3536 SendToPlayer(&buf[next_out], oldi - next_out);
3539 started = STARTED_HOLDINGS;
3544 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3546 /* Header for a move list -- first line */
3548 switch (ics_getting_history) {
3552 case BeginningOfGame:
3553 /* User typed "moves" or "oldmoves" while we
3554 were idle. Pretend we asked for these
3555 moves and soak them up so user can step
3556 through them and/or save them.
3559 gameMode = IcsObserving;
3562 ics_getting_history = H_GOT_UNREQ_HEADER;
3564 case EditGame: /*?*/
3565 case EditPosition: /*?*/
3566 /* Should above feature work in these modes too? */
3567 /* For now it doesn't */
3568 ics_getting_history = H_GOT_UNWANTED_HEADER;
3571 ics_getting_history = H_GOT_UNWANTED_HEADER;
3576 /* Is this the right one? */
3577 if (gameInfo.white && gameInfo.black &&
3578 strcmp(gameInfo.white, star_match[0]) == 0 &&
3579 strcmp(gameInfo.black, star_match[2]) == 0) {
3581 ics_getting_history = H_GOT_REQ_HEADER;
3584 case H_GOT_REQ_HEADER:
3585 case H_GOT_UNREQ_HEADER:
3586 case H_GOT_UNWANTED_HEADER:
3587 case H_GETTING_MOVES:
3588 /* Should not happen */
3589 DisplayError(_("Error gathering move list: two headers"), 0);
3590 ics_getting_history = H_FALSE;
3594 /* Save player ratings into gameInfo if needed */
3595 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3596 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3597 (gameInfo.whiteRating == -1 ||
3598 gameInfo.blackRating == -1)) {
3600 gameInfo.whiteRating = string_to_rating(star_match[1]);
3601 gameInfo.blackRating = string_to_rating(star_match[3]);
3602 if (appData.debugMode)
3603 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3604 gameInfo.whiteRating, gameInfo.blackRating);
3609 if (looking_at(buf, &i,
3610 "* * match, initial time: * minute*, increment: * second")) {
3611 /* Header for a move list -- second line */
3612 /* Initial board will follow if this is a wild game */
3613 if (gameInfo.event != NULL) free(gameInfo.event);
3614 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3615 gameInfo.event = StrSave(str);
3616 /* [HGM] we switched variant. Translate boards if needed. */
3617 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3621 if (looking_at(buf, &i, "Move ")) {
3622 /* Beginning of a move list */
3623 switch (ics_getting_history) {
3625 /* Normally should not happen */
3626 /* Maybe user hit reset while we were parsing */
3629 /* Happens if we are ignoring a move list that is not
3630 * the one we just requested. Common if the user
3631 * tries to observe two games without turning off
3634 case H_GETTING_MOVES:
3635 /* Should not happen */
3636 DisplayError(_("Error gathering move list: nested"), 0);
3637 ics_getting_history = H_FALSE;
3639 case H_GOT_REQ_HEADER:
3640 ics_getting_history = H_GETTING_MOVES;
3641 started = STARTED_MOVES;
3643 if (oldi > next_out) {
3644 SendToPlayer(&buf[next_out], oldi - next_out);
3647 case H_GOT_UNREQ_HEADER:
3648 ics_getting_history = H_GETTING_MOVES;
3649 started = STARTED_MOVES_NOHIDE;
3652 case H_GOT_UNWANTED_HEADER:
3653 ics_getting_history = H_FALSE;
3659 if (looking_at(buf, &i, "% ") ||
3660 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3661 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3662 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3663 soughtPending = FALSE;
3667 if(suppressKibitz) next_out = i;
3668 savingComment = FALSE;
3672 case STARTED_MOVES_NOHIDE:
3673 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3674 parse[parse_pos + i - oldi] = NULLCHAR;
3675 ParseGameHistory(parse);
3677 if (appData.zippyPlay && first.initDone) {
3678 FeedMovesToProgram(&first, forwardMostMove);
3679 if (gameMode == IcsPlayingWhite) {
3680 if (WhiteOnMove(forwardMostMove)) {
3681 if (first.sendTime) {
3682 if (first.useColors) {
3683 SendToProgram("black\n", &first);
3685 SendTimeRemaining(&first, TRUE);
3687 if (first.useColors) {
3688 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3690 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3691 first.maybeThinking = TRUE;
3693 if (first.usePlayother) {
3694 if (first.sendTime) {
3695 SendTimeRemaining(&first, TRUE);
3697 SendToProgram("playother\n", &first);
3703 } else if (gameMode == IcsPlayingBlack) {
3704 if (!WhiteOnMove(forwardMostMove)) {
3705 if (first.sendTime) {
3706 if (first.useColors) {
3707 SendToProgram("white\n", &first);
3709 SendTimeRemaining(&first, FALSE);
3711 if (first.useColors) {
3712 SendToProgram("black\n", &first);
3714 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3715 first.maybeThinking = TRUE;
3717 if (first.usePlayother) {
3718 if (first.sendTime) {
3719 SendTimeRemaining(&first, FALSE);
3721 SendToProgram("playother\n", &first);
3730 if (gameMode == IcsObserving && ics_gamenum == -1) {
3731 /* Moves came from oldmoves or moves command
3732 while we weren't doing anything else.
3734 currentMove = forwardMostMove;
3735 ClearHighlights();/*!!could figure this out*/
3736 flipView = appData.flipView;
3737 DrawPosition(TRUE, boards[currentMove]);
3738 DisplayBothClocks();
3739 snprintf(str, MSG_SIZ, "%s %s %s",
3740 gameInfo.white, _("vs."), gameInfo.black);
3744 /* Moves were history of an active game */
3745 if (gameInfo.resultDetails != NULL) {
3746 free(gameInfo.resultDetails);
3747 gameInfo.resultDetails = NULL;
3750 HistorySet(parseList, backwardMostMove,
3751 forwardMostMove, currentMove-1);
3752 DisplayMove(currentMove - 1);
3753 if (started == STARTED_MOVES) next_out = i;
3754 started = STARTED_NONE;
3755 ics_getting_history = H_FALSE;
3758 case STARTED_OBSERVE:
3759 started = STARTED_NONE;
3760 SendToICS(ics_prefix);
3761 SendToICS("refresh\n");
3767 if(bookHit) { // [HGM] book: simulate book reply
3768 static char bookMove[MSG_SIZ]; // a bit generous?
3770 programStats.nodes = programStats.depth = programStats.time =
3771 programStats.score = programStats.got_only_move = 0;
3772 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3774 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3775 strcat(bookMove, bookHit);
3776 HandleMachineMove(bookMove, &first);
3781 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3782 started == STARTED_HOLDINGS ||
3783 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3784 /* Accumulate characters in move list or board */
3785 parse[parse_pos++] = buf[i];
3788 /* Start of game messages. Mostly we detect start of game
3789 when the first board image arrives. On some versions
3790 of the ICS, though, we need to do a "refresh" after starting
3791 to observe in order to get the current board right away. */
3792 if (looking_at(buf, &i, "Adding game * to observation list")) {
3793 started = STARTED_OBSERVE;
3797 /* Handle auto-observe */
3798 if (appData.autoObserve &&
3799 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3800 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3802 /* Choose the player that was highlighted, if any. */
3803 if (star_match[0][0] == '\033' ||
3804 star_match[1][0] != '\033') {
3805 player = star_match[0];
3807 player = star_match[2];
3809 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3810 ics_prefix, StripHighlightAndTitle(player));
3813 /* Save ratings from notify string */
3814 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3815 player1Rating = string_to_rating(star_match[1]);
3816 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3817 player2Rating = string_to_rating(star_match[3]);
3819 if (appData.debugMode)
3821 "Ratings from 'Game notification:' %s %d, %s %d\n",
3822 player1Name, player1Rating,
3823 player2Name, player2Rating);
3828 /* Deal with automatic examine mode after a game,
3829 and with IcsObserving -> IcsExamining transition */
3830 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3831 looking_at(buf, &i, "has made you an examiner of game *")) {
3833 int gamenum = atoi(star_match[0]);
3834 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3835 gamenum == ics_gamenum) {
3836 /* We were already playing or observing this game;
3837 no need to refetch history */
3838 gameMode = IcsExamining;
3840 pauseExamForwardMostMove = forwardMostMove;
3841 } else if (currentMove < forwardMostMove) {
3842 ForwardInner(forwardMostMove);
3845 /* I don't think this case really can happen */
3846 SendToICS(ics_prefix);
3847 SendToICS("refresh\n");
3852 /* Error messages */
3853 // if (ics_user_moved) {
3854 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3855 if (looking_at(buf, &i, "Illegal move") ||
3856 looking_at(buf, &i, "Not a legal move") ||
3857 looking_at(buf, &i, "Your king is in check") ||
3858 looking_at(buf, &i, "It isn't your turn") ||
3859 looking_at(buf, &i, "It is not your move")) {
3861 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3862 currentMove = forwardMostMove-1;
3863 DisplayMove(currentMove - 1); /* before DMError */
3864 DrawPosition(FALSE, boards[currentMove]);
3865 SwitchClocks(forwardMostMove-1); // [HGM] race
3866 DisplayBothClocks();
3868 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3874 if (looking_at(buf, &i, "still have time") ||
3875 looking_at(buf, &i, "not out of time") ||
3876 looking_at(buf, &i, "either player is out of time") ||
3877 looking_at(buf, &i, "has timeseal; checking")) {
3878 /* We must have called his flag a little too soon */
3879 whiteFlag = blackFlag = FALSE;
3883 if (looking_at(buf, &i, "added * seconds to") ||
3884 looking_at(buf, &i, "seconds were added to")) {
3885 /* Update the clocks */
3886 SendToICS(ics_prefix);
3887 SendToICS("refresh\n");
3891 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3892 ics_clock_paused = TRUE;
3897 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3898 ics_clock_paused = FALSE;
3903 /* Grab player ratings from the Creating: message.
3904 Note we have to check for the special case when
3905 the ICS inserts things like [white] or [black]. */
3906 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3907 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3909 0 player 1 name (not necessarily white)
3911 2 empty, white, or black (IGNORED)
3912 3 player 2 name (not necessarily black)
3915 The names/ratings are sorted out when the game
3916 actually starts (below).
3918 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3919 player1Rating = string_to_rating(star_match[1]);
3920 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3921 player2Rating = string_to_rating(star_match[4]);
3923 if (appData.debugMode)
3925 "Ratings from 'Creating:' %s %d, %s %d\n",
3926 player1Name, player1Rating,
3927 player2Name, player2Rating);
3932 /* Improved generic start/end-of-game messages */
3933 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3934 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3935 /* If tkind == 0: */
3936 /* star_match[0] is the game number */
3937 /* [1] is the white player's name */
3938 /* [2] is the black player's name */
3939 /* For end-of-game: */
3940 /* [3] is the reason for the game end */
3941 /* [4] is a PGN end game-token, preceded by " " */
3942 /* For start-of-game: */
3943 /* [3] begins with "Creating" or "Continuing" */
3944 /* [4] is " *" or empty (don't care). */
3945 int gamenum = atoi(star_match[0]);
3946 char *whitename, *blackname, *why, *endtoken;
3947 ChessMove endtype = EndOfFile;
3950 whitename = star_match[1];
3951 blackname = star_match[2];
3952 why = star_match[3];
3953 endtoken = star_match[4];
3955 whitename = star_match[1];
3956 blackname = star_match[3];
3957 why = star_match[5];
3958 endtoken = star_match[6];
3961 /* Game start messages */
3962 if (strncmp(why, "Creating ", 9) == 0 ||
3963 strncmp(why, "Continuing ", 11) == 0) {
3964 gs_gamenum = gamenum;
3965 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3966 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3967 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3969 if (appData.zippyPlay) {
3970 ZippyGameStart(whitename, blackname);
3973 partnerBoardValid = FALSE; // [HGM] bughouse
3977 /* Game end messages */
3978 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3979 ics_gamenum != gamenum) {
3982 while (endtoken[0] == ' ') endtoken++;
3983 switch (endtoken[0]) {
3986 endtype = GameUnfinished;
3989 endtype = BlackWins;
3992 if (endtoken[1] == '/')
3993 endtype = GameIsDrawn;
3995 endtype = WhiteWins;
3998 GameEnds(endtype, why, GE_ICS);
4000 if (appData.zippyPlay && first.initDone) {
4001 ZippyGameEnd(endtype, why);
4002 if (first.pr == NoProc) {
4003 /* Start the next process early so that we'll
4004 be ready for the next challenge */
4005 StartChessProgram(&first);
4007 /* Send "new" early, in case this command takes
4008 a long time to finish, so that we'll be ready
4009 for the next challenge. */
4010 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4014 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4018 if (looking_at(buf, &i, "Removing game * from observation") ||
4019 looking_at(buf, &i, "no longer observing game *") ||
4020 looking_at(buf, &i, "Game * (*) has no examiners")) {
4021 if (gameMode == IcsObserving &&
4022 atoi(star_match[0]) == ics_gamenum)
4024 /* icsEngineAnalyze */
4025 if (appData.icsEngineAnalyze) {
4032 ics_user_moved = FALSE;
4037 if (looking_at(buf, &i, "no longer examining game *")) {
4038 if (gameMode == IcsExamining &&
4039 atoi(star_match[0]) == ics_gamenum)
4043 ics_user_moved = FALSE;
4048 /* Advance leftover_start past any newlines we find,
4049 so only partial lines can get reparsed */
4050 if (looking_at(buf, &i, "\n")) {
4051 prevColor = curColor;
4052 if (curColor != ColorNormal) {
4053 if (oldi > next_out) {
4054 SendToPlayer(&buf[next_out], oldi - next_out);
4057 Colorize(ColorNormal, FALSE);
4058 curColor = ColorNormal;
4060 if (started == STARTED_BOARD) {
4061 started = STARTED_NONE;
4062 parse[parse_pos] = NULLCHAR;
4063 ParseBoard12(parse);
4066 /* Send premove here */
4067 if (appData.premove) {
4069 if (currentMove == 0 &&
4070 gameMode == IcsPlayingWhite &&
4071 appData.premoveWhite) {
4072 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4073 if (appData.debugMode)
4074 fprintf(debugFP, "Sending premove:\n");
4076 } else if (currentMove == 1 &&
4077 gameMode == IcsPlayingBlack &&
4078 appData.premoveBlack) {
4079 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4080 if (appData.debugMode)
4081 fprintf(debugFP, "Sending premove:\n");
4083 } else if (gotPremove) {
4085 ClearPremoveHighlights();
4086 if (appData.debugMode)
4087 fprintf(debugFP, "Sending premove:\n");
4088 UserMoveEvent(premoveFromX, premoveFromY,
4089 premoveToX, premoveToY,
4094 /* Usually suppress following prompt */
4095 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4096 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4097 if (looking_at(buf, &i, "*% ")) {
4098 savingComment = FALSE;
4103 } else if (started == STARTED_HOLDINGS) {
4105 char new_piece[MSG_SIZ];
4106 started = STARTED_NONE;
4107 parse[parse_pos] = NULLCHAR;
4108 if (appData.debugMode)
4109 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4110 parse, currentMove);
4111 if (sscanf(parse, " game %d", &gamenum) == 1) {
4112 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4113 if (gameInfo.variant == VariantNormal) {
4114 /* [HGM] We seem to switch variant during a game!
4115 * Presumably no holdings were displayed, so we have
4116 * to move the position two files to the right to
4117 * create room for them!
4119 VariantClass newVariant;
4120 switch(gameInfo.boardWidth) { // base guess on board width
4121 case 9: newVariant = VariantShogi; break;
4122 case 10: newVariant = VariantGreat; break;
4123 default: newVariant = VariantCrazyhouse; break;
4125 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4126 /* Get a move list just to see the header, which
4127 will tell us whether this is really bug or zh */
4128 if (ics_getting_history == H_FALSE) {
4129 ics_getting_history = H_REQUESTED;
4130 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4134 new_piece[0] = NULLCHAR;
4135 sscanf(parse, "game %d white [%s black [%s <- %s",
4136 &gamenum, white_holding, black_holding,
4138 white_holding[strlen(white_holding)-1] = NULLCHAR;
4139 black_holding[strlen(black_holding)-1] = NULLCHAR;
4140 /* [HGM] copy holdings to board holdings area */
4141 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4142 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4143 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4145 if (appData.zippyPlay && first.initDone) {
4146 ZippyHoldings(white_holding, black_holding,
4150 if (tinyLayout || smallLayout) {
4151 char wh[16], bh[16];
4152 PackHolding(wh, white_holding);
4153 PackHolding(bh, black_holding);
4154 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4155 gameInfo.white, gameInfo.black);
4157 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4158 gameInfo.white, white_holding, _("vs."),
4159 gameInfo.black, black_holding);
4161 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4162 DrawPosition(FALSE, boards[currentMove]);
4164 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4165 sscanf(parse, "game %d white [%s black [%s <- %s",
4166 &gamenum, white_holding, black_holding,
4168 white_holding[strlen(white_holding)-1] = NULLCHAR;
4169 black_holding[strlen(black_holding)-1] = NULLCHAR;
4170 /* [HGM] copy holdings to partner-board holdings area */
4171 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4172 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4173 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4174 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4175 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4178 /* Suppress following prompt */
4179 if (looking_at(buf, &i, "*% ")) {
4180 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4181 savingComment = FALSE;
4189 i++; /* skip unparsed character and loop back */
4192 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4193 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4194 // SendToPlayer(&buf[next_out], i - next_out);
4195 started != STARTED_HOLDINGS && leftover_start > next_out) {
4196 SendToPlayer(&buf[next_out], leftover_start - next_out);
4200 leftover_len = buf_len - leftover_start;
4201 /* if buffer ends with something we couldn't parse,
4202 reparse it after appending the next read */
4204 } else if (count == 0) {
4205 RemoveInputSource(isr);
4206 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4208 DisplayFatalError(_("Error reading from ICS"), error, 1);
4213 /* Board style 12 looks like this:
4215 <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
4217 * The "<12> " is stripped before it gets to this routine. The two
4218 * trailing 0's (flip state and clock ticking) are later addition, and
4219 * some chess servers may not have them, or may have only the first.
4220 * Additional trailing fields may be added in the future.
4223 #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"
4225 #define RELATION_OBSERVING_PLAYED 0
4226 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4227 #define RELATION_PLAYING_MYMOVE 1
4228 #define RELATION_PLAYING_NOTMYMOVE -1
4229 #define RELATION_EXAMINING 2
4230 #define RELATION_ISOLATED_BOARD -3
4231 #define RELATION_STARTING_POSITION -4 /* FICS only */
4234 ParseBoard12 (char *string)
4238 char *bookHit = NULL; // [HGM] book
4240 GameMode newGameMode;
4241 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4242 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4243 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4244 char to_play, board_chars[200];
4245 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4246 char black[32], white[32];
4248 int prevMove = currentMove;
4251 int fromX, fromY, toX, toY;
4253 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4254 Boolean weird = FALSE, reqFlag = FALSE;
4256 fromX = fromY = toX = toY = -1;
4260 if (appData.debugMode)
4261 fprintf(debugFP, "Parsing board: %s\n", string);
4263 move_str[0] = NULLCHAR;
4264 elapsed_time[0] = NULLCHAR;
4265 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4267 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4268 if(string[i] == ' ') { ranks++; files = 0; }
4270 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4273 for(j = 0; j <i; j++) board_chars[j] = string[j];
4274 board_chars[i] = '\0';
4277 n = sscanf(string, PATTERN, &to_play, &double_push,
4278 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4279 &gamenum, white, black, &relation, &basetime, &increment,
4280 &white_stren, &black_stren, &white_time, &black_time,
4281 &moveNum, str, elapsed_time, move_str, &ics_flip,
4285 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4286 DisplayError(str, 0);
4290 /* Convert the move number to internal form */
4291 moveNum = (moveNum - 1) * 2;
4292 if (to_play == 'B') moveNum++;
4293 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4294 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4300 case RELATION_OBSERVING_PLAYED:
4301 case RELATION_OBSERVING_STATIC:
4302 if (gamenum == -1) {
4303 /* Old ICC buglet */
4304 relation = RELATION_OBSERVING_STATIC;
4306 newGameMode = IcsObserving;
4308 case RELATION_PLAYING_MYMOVE:
4309 case RELATION_PLAYING_NOTMYMOVE:
4311 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4312 IcsPlayingWhite : IcsPlayingBlack;
4313 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4315 case RELATION_EXAMINING:
4316 newGameMode = IcsExamining;
4318 case RELATION_ISOLATED_BOARD:
4320 /* Just display this board. If user was doing something else,
4321 we will forget about it until the next board comes. */
4322 newGameMode = IcsIdle;
4324 case RELATION_STARTING_POSITION:
4325 newGameMode = gameMode;
4329 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4330 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4331 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4332 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4333 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4334 static int lastBgGame = -1;
4336 for (k = 0; k < ranks; k++) {
4337 for (j = 0; j < files; j++)
4338 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4339 if(gameInfo.holdingsWidth > 1) {
4340 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4341 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4344 CopyBoard(partnerBoard, board);
4345 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4346 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4347 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4348 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4349 if(toSqr = strchr(str, '-')) {
4350 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4351 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4352 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4353 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4354 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4355 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4357 DisplayWhiteClock(white_time*fac, to_play == 'W');
4358 DisplayBlackClock(black_time*fac, to_play != 'W');
4359 activePartner = to_play;
4360 if(gamenum != lastBgGame) {
4362 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4365 lastBgGame = gamenum;
4366 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4367 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4368 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4369 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4370 if(!twoBoards) DisplayMessage(partnerStatus, "");
4371 partnerBoardValid = TRUE;
4375 if(appData.dualBoard && appData.bgObserve) {
4376 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4377 SendToICS(ics_prefix), SendToICS("pobserve\n");
4378 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4380 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4385 /* Modify behavior for initial board display on move listing
4388 switch (ics_getting_history) {
4392 case H_GOT_REQ_HEADER:
4393 case H_GOT_UNREQ_HEADER:
4394 /* This is the initial position of the current game */
4395 gamenum = ics_gamenum;
4396 moveNum = 0; /* old ICS bug workaround */
4397 if (to_play == 'B') {
4398 startedFromSetupPosition = TRUE;
4399 blackPlaysFirst = TRUE;
4401 if (forwardMostMove == 0) forwardMostMove = 1;
4402 if (backwardMostMove == 0) backwardMostMove = 1;
4403 if (currentMove == 0) currentMove = 1;
4405 newGameMode = gameMode;
4406 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4408 case H_GOT_UNWANTED_HEADER:
4409 /* This is an initial board that we don't want */
4411 case H_GETTING_MOVES:
4412 /* Should not happen */
4413 DisplayError(_("Error gathering move list: extra board"), 0);
4414 ics_getting_history = H_FALSE;
4418 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4419 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4420 weird && (int)gameInfo.variant < (int)VariantShogi) {
4421 /* [HGM] We seem to have switched variant unexpectedly
4422 * Try to guess new variant from board size
4424 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4425 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4426 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4427 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4428 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4429 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4430 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4431 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4432 /* Get a move list just to see the header, which
4433 will tell us whether this is really bug or zh */
4434 if (ics_getting_history == H_FALSE) {
4435 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4436 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4441 /* Take action if this is the first board of a new game, or of a
4442 different game than is currently being displayed. */
4443 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4444 relation == RELATION_ISOLATED_BOARD) {
4446 /* Forget the old game and get the history (if any) of the new one */
4447 if (gameMode != BeginningOfGame) {
4451 if (appData.autoRaiseBoard) BoardToTop();
4453 if (gamenum == -1) {
4454 newGameMode = IcsIdle;
4455 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4456 appData.getMoveList && !reqFlag) {
4457 /* Need to get game history */
4458 ics_getting_history = H_REQUESTED;
4459 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4463 /* Initially flip the board to have black on the bottom if playing
4464 black or if the ICS flip flag is set, but let the user change
4465 it with the Flip View button. */
4466 flipView = appData.autoFlipView ?
4467 (newGameMode == IcsPlayingBlack) || ics_flip :
4470 /* Done with values from previous mode; copy in new ones */
4471 gameMode = newGameMode;
4473 ics_gamenum = gamenum;
4474 if (gamenum == gs_gamenum) {
4475 int klen = strlen(gs_kind);
4476 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4477 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4478 gameInfo.event = StrSave(str);
4480 gameInfo.event = StrSave("ICS game");
4482 gameInfo.site = StrSave(appData.icsHost);
4483 gameInfo.date = PGNDate();
4484 gameInfo.round = StrSave("-");
4485 gameInfo.white = StrSave(white);
4486 gameInfo.black = StrSave(black);
4487 timeControl = basetime * 60 * 1000;
4489 timeIncrement = increment * 1000;
4490 movesPerSession = 0;
4491 gameInfo.timeControl = TimeControlTagValue();
4492 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4493 if (appData.debugMode) {
4494 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4495 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4496 setbuf(debugFP, NULL);
4499 gameInfo.outOfBook = NULL;
4501 /* Do we have the ratings? */
4502 if (strcmp(player1Name, white) == 0 &&
4503 strcmp(player2Name, black) == 0) {
4504 if (appData.debugMode)
4505 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4506 player1Rating, player2Rating);
4507 gameInfo.whiteRating = player1Rating;
4508 gameInfo.blackRating = player2Rating;
4509 } else if (strcmp(player2Name, white) == 0 &&
4510 strcmp(player1Name, black) == 0) {
4511 if (appData.debugMode)
4512 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4513 player2Rating, player1Rating);
4514 gameInfo.whiteRating = player2Rating;
4515 gameInfo.blackRating = player1Rating;
4517 player1Name[0] = player2Name[0] = NULLCHAR;
4519 /* Silence shouts if requested */
4520 if (appData.quietPlay &&
4521 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4522 SendToICS(ics_prefix);
4523 SendToICS("set shout 0\n");
4527 /* Deal with midgame name changes */
4529 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4530 if (gameInfo.white) free(gameInfo.white);
4531 gameInfo.white = StrSave(white);
4533 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4534 if (gameInfo.black) free(gameInfo.black);
4535 gameInfo.black = StrSave(black);
4539 /* Throw away game result if anything actually changes in examine mode */
4540 if (gameMode == IcsExamining && !newGame) {
4541 gameInfo.result = GameUnfinished;
4542 if (gameInfo.resultDetails != NULL) {
4543 free(gameInfo.resultDetails);
4544 gameInfo.resultDetails = NULL;
4548 /* In pausing && IcsExamining mode, we ignore boards coming
4549 in if they are in a different variation than we are. */
4550 if (pauseExamInvalid) return;
4551 if (pausing && gameMode == IcsExamining) {
4552 if (moveNum <= pauseExamForwardMostMove) {
4553 pauseExamInvalid = TRUE;
4554 forwardMostMove = pauseExamForwardMostMove;
4559 if (appData.debugMode) {
4560 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4562 /* Parse the board */
4563 for (k = 0; k < ranks; k++) {
4564 for (j = 0; j < files; j++)
4565 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4566 if(gameInfo.holdingsWidth > 1) {
4567 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4568 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4571 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4572 board[5][BOARD_RGHT+1] = WhiteAngel;
4573 board[6][BOARD_RGHT+1] = WhiteMarshall;
4574 board[1][0] = BlackMarshall;
4575 board[2][0] = BlackAngel;
4576 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4578 CopyBoard(boards[moveNum], board);
4579 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4581 startedFromSetupPosition =
4582 !CompareBoards(board, initialPosition);
4583 if(startedFromSetupPosition)
4584 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4587 /* [HGM] Set castling rights. Take the outermost Rooks,
4588 to make it also work for FRC opening positions. Note that board12
4589 is really defective for later FRC positions, as it has no way to
4590 indicate which Rook can castle if they are on the same side of King.
4591 For the initial position we grant rights to the outermost Rooks,
4592 and remember thos rights, and we then copy them on positions
4593 later in an FRC game. This means WB might not recognize castlings with
4594 Rooks that have moved back to their original position as illegal,
4595 but in ICS mode that is not its job anyway.
4597 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4598 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4600 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4601 if(board[0][i] == WhiteRook) j = i;
4602 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4603 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4604 if(board[0][i] == WhiteRook) j = i;
4605 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4606 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4607 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4608 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4609 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4610 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4611 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4613 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4614 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4615 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4616 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4617 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4618 if(board[BOARD_HEIGHT-1][k] == bKing)
4619 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4620 if(gameInfo.variant == VariantTwoKings) {
4621 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4622 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4623 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4626 r = boards[moveNum][CASTLING][0] = initialRights[0];
4627 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4628 r = boards[moveNum][CASTLING][1] = initialRights[1];
4629 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4630 r = boards[moveNum][CASTLING][3] = initialRights[3];
4631 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4632 r = boards[moveNum][CASTLING][4] = initialRights[4];
4633 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4634 /* wildcastle kludge: always assume King has rights */
4635 r = boards[moveNum][CASTLING][2] = initialRights[2];
4636 r = boards[moveNum][CASTLING][5] = initialRights[5];
4638 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4639 boards[moveNum][EP_STATUS] = EP_NONE;
4640 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4641 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4642 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4645 if (ics_getting_history == H_GOT_REQ_HEADER ||
4646 ics_getting_history == H_GOT_UNREQ_HEADER) {
4647 /* This was an initial position from a move list, not
4648 the current position */
4652 /* Update currentMove and known move number limits */
4653 newMove = newGame || moveNum > forwardMostMove;
4656 forwardMostMove = backwardMostMove = currentMove = moveNum;
4657 if (gameMode == IcsExamining && moveNum == 0) {
4658 /* Workaround for ICS limitation: we are not told the wild
4659 type when starting to examine a game. But if we ask for
4660 the move list, the move list header will tell us */
4661 ics_getting_history = H_REQUESTED;
4662 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4665 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4666 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4668 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4669 /* [HGM] applied this also to an engine that is silently watching */
4670 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4671 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4672 gameInfo.variant == currentlyInitializedVariant) {
4673 takeback = forwardMostMove - moveNum;
4674 for (i = 0; i < takeback; i++) {
4675 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4676 SendToProgram("undo\n", &first);
4681 forwardMostMove = moveNum;
4682 if (!pausing || currentMove > forwardMostMove)
4683 currentMove = forwardMostMove;
4685 /* New part of history that is not contiguous with old part */
4686 if (pausing && gameMode == IcsExamining) {
4687 pauseExamInvalid = TRUE;
4688 forwardMostMove = pauseExamForwardMostMove;
4691 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4693 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4694 // [HGM] when we will receive the move list we now request, it will be
4695 // fed to the engine from the first move on. So if the engine is not
4696 // in the initial position now, bring it there.
4697 InitChessProgram(&first, 0);
4700 ics_getting_history = H_REQUESTED;
4701 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4704 forwardMostMove = backwardMostMove = currentMove = moveNum;
4707 /* Update the clocks */
4708 if (strchr(elapsed_time, '.')) {
4710 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4711 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4713 /* Time is in seconds */
4714 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4715 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4720 if (appData.zippyPlay && newGame &&
4721 gameMode != IcsObserving && gameMode != IcsIdle &&
4722 gameMode != IcsExamining)
4723 ZippyFirstBoard(moveNum, basetime, increment);
4726 /* Put the move on the move list, first converting
4727 to canonical algebraic form. */
4729 if (appData.debugMode) {
4730 int f = forwardMostMove;
4731 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4732 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4733 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4734 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4735 fprintf(debugFP, "moveNum = %d\n", moveNum);
4736 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4737 setbuf(debugFP, NULL);
4739 if (moveNum <= backwardMostMove) {
4740 /* We don't know what the board looked like before
4742 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4743 strcat(parseList[moveNum - 1], " ");
4744 strcat(parseList[moveNum - 1], elapsed_time);
4745 moveList[moveNum - 1][0] = NULLCHAR;
4746 } else if (strcmp(move_str, "none") == 0) {
4747 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4748 /* Again, we don't know what the board looked like;
4749 this is really the start of the game. */
4750 parseList[moveNum - 1][0] = NULLCHAR;
4751 moveList[moveNum - 1][0] = NULLCHAR;
4752 backwardMostMove = moveNum;
4753 startedFromSetupPosition = TRUE;
4754 fromX = fromY = toX = toY = -1;
4756 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4757 // So we parse the long-algebraic move string in stead of the SAN move
4758 int valid; char buf[MSG_SIZ], *prom;
4760 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4761 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4762 // str looks something like "Q/a1-a2"; kill the slash
4764 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4765 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4766 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4767 strcat(buf, prom); // long move lacks promo specification!
4768 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4769 if(appData.debugMode)
4770 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4771 safeStrCpy(move_str, buf, MSG_SIZ);
4773 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4774 &fromX, &fromY, &toX, &toY, &promoChar)
4775 || ParseOneMove(buf, moveNum - 1, &moveType,
4776 &fromX, &fromY, &toX, &toY, &promoChar);
4777 // end of long SAN patch
4779 (void) CoordsToAlgebraic(boards[moveNum - 1],
4780 PosFlags(moveNum - 1),
4781 fromY, fromX, toY, toX, promoChar,
4782 parseList[moveNum-1]);
4783 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4789 if(gameInfo.variant != VariantShogi)
4790 strcat(parseList[moveNum - 1], "+");
4793 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4794 strcat(parseList[moveNum - 1], "#");
4797 strcat(parseList[moveNum - 1], " ");
4798 strcat(parseList[moveNum - 1], elapsed_time);
4799 /* currentMoveString is set as a side-effect of ParseOneMove */
4800 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4801 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4802 strcat(moveList[moveNum - 1], "\n");
4804 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4805 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4806 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4807 ChessSquare old, new = boards[moveNum][k][j];
4808 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4809 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4810 if(old == new) continue;
4811 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4812 else if(new == WhiteWazir || new == BlackWazir) {
4813 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4814 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4815 else boards[moveNum][k][j] = old; // preserve type of Gold
4816 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4817 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4820 /* Move from ICS was illegal!? Punt. */
4821 if (appData.debugMode) {
4822 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4823 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4825 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4826 strcat(parseList[moveNum - 1], " ");
4827 strcat(parseList[moveNum - 1], elapsed_time);
4828 moveList[moveNum - 1][0] = NULLCHAR;
4829 fromX = fromY = toX = toY = -1;
4832 if (appData.debugMode) {
4833 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4834 setbuf(debugFP, NULL);
4838 /* Send move to chess program (BEFORE animating it). */
4839 if (appData.zippyPlay && !newGame && newMove &&
4840 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4842 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4843 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4844 if (moveList[moveNum - 1][0] == NULLCHAR) {
4845 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4847 DisplayError(str, 0);
4849 if (first.sendTime) {
4850 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4852 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4853 if (firstMove && !bookHit) {
4855 if (first.useColors) {
4856 SendToProgram(gameMode == IcsPlayingWhite ?
4858 "black\ngo\n", &first);
4860 SendToProgram("go\n", &first);
4862 first.maybeThinking = TRUE;
4865 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4866 if (moveList[moveNum - 1][0] == NULLCHAR) {
4867 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4868 DisplayError(str, 0);
4870 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4871 SendMoveToProgram(moveNum - 1, &first);
4878 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4879 /* If move comes from a remote source, animate it. If it
4880 isn't remote, it will have already been animated. */
4881 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4882 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4884 if (!pausing && appData.highlightLastMove) {
4885 SetHighlights(fromX, fromY, toX, toY);
4889 /* Start the clocks */
4890 whiteFlag = blackFlag = FALSE;
4891 appData.clockMode = !(basetime == 0 && increment == 0);
4893 ics_clock_paused = TRUE;
4895 } else if (ticking == 1) {
4896 ics_clock_paused = FALSE;
4898 if (gameMode == IcsIdle ||
4899 relation == RELATION_OBSERVING_STATIC ||
4900 relation == RELATION_EXAMINING ||
4902 DisplayBothClocks();
4906 /* Display opponents and material strengths */
4907 if (gameInfo.variant != VariantBughouse &&
4908 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4909 if (tinyLayout || smallLayout) {
4910 if(gameInfo.variant == VariantNormal)
4911 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4912 gameInfo.white, white_stren, gameInfo.black, black_stren,
4913 basetime, increment);
4915 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4916 gameInfo.white, white_stren, gameInfo.black, black_stren,
4917 basetime, increment, (int) gameInfo.variant);
4919 if(gameInfo.variant == VariantNormal)
4920 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4921 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4922 basetime, increment);
4924 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4925 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4926 basetime, increment, VariantName(gameInfo.variant));
4929 if (appData.debugMode) {
4930 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4935 /* Display the board */
4936 if (!pausing && !appData.noGUI) {
4938 if (appData.premove)
4940 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4941 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4942 ClearPremoveHighlights();
4944 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4945 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4946 DrawPosition(j, boards[currentMove]);
4948 DisplayMove(moveNum - 1);
4949 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4950 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4951 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4952 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4956 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4958 if(bookHit) { // [HGM] book: simulate book reply
4959 static char bookMove[MSG_SIZ]; // a bit generous?
4961 programStats.nodes = programStats.depth = programStats.time =
4962 programStats.score = programStats.got_only_move = 0;
4963 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4965 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4966 strcat(bookMove, bookHit);
4967 HandleMachineMove(bookMove, &first);
4976 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4977 ics_getting_history = H_REQUESTED;
4978 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4984 SendToBoth (char *msg)
4985 { // to make it easy to keep two engines in step in dual analysis
4986 SendToProgram(msg, &first);
4987 if(second.analyzing) SendToProgram(msg, &second);
4991 AnalysisPeriodicEvent (int force)
4993 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4994 && !force) || !appData.periodicUpdates)
4997 /* Send . command to Crafty to collect stats */
5000 /* Don't send another until we get a response (this makes
5001 us stop sending to old Crafty's which don't understand
5002 the "." command (sending illegal cmds resets node count & time,
5003 which looks bad)) */
5004 programStats.ok_to_send = 0;
5008 ics_update_width (int new_width)
5010 ics_printf("set width %d\n", new_width);
5014 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5018 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5019 // null move in variant where engine does not understand it (for analysis purposes)
5020 SendBoard(cps, moveNum + 1); // send position after move in stead.
5023 if (cps->useUsermove) {
5024 SendToProgram("usermove ", cps);
5028 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5029 int len = space - parseList[moveNum];
5030 memcpy(buf, parseList[moveNum], len);
5032 buf[len] = NULLCHAR;
5034 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5036 SendToProgram(buf, cps);
5038 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5039 AlphaRank(moveList[moveNum], 4);
5040 SendToProgram(moveList[moveNum], cps);
5041 AlphaRank(moveList[moveNum], 4); // and back
5043 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5044 * the engine. It would be nice to have a better way to identify castle
5046 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
5047 && cps->useOOCastle) {
5048 int fromX = moveList[moveNum][0] - AAA;
5049 int fromY = moveList[moveNum][1] - ONE;
5050 int toX = moveList[moveNum][2] - AAA;
5051 int toY = moveList[moveNum][3] - ONE;
5052 if((boards[moveNum][fromY][fromX] == WhiteKing
5053 && boards[moveNum][toY][toX] == WhiteRook)
5054 || (boards[moveNum][fromY][fromX] == BlackKing
5055 && boards[moveNum][toY][toX] == BlackRook)) {
5056 if(toX > fromX) SendToProgram("O-O\n", cps);
5057 else SendToProgram("O-O-O\n", cps);
5059 else SendToProgram(moveList[moveNum], cps);
5061 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5062 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5063 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5064 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5065 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5066 } else if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5067 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
5068 moveList[moveNum][5], moveList[moveNum][6] - '0',
5069 moveList[moveNum][5], moveList[moveNum][6] - '0',
5070 moveList[moveNum][2], moveList[moveNum][3] - '0');
5072 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5073 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5074 SendToProgram(buf, cps);
5076 else SendToProgram(moveList[moveNum], cps);
5077 /* End of additions by Tord */
5080 /* [HGM] setting up the opening has brought engine in force mode! */
5081 /* Send 'go' if we are in a mode where machine should play. */
5082 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5083 (gameMode == TwoMachinesPlay ||
5085 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5087 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5088 SendToProgram("go\n", cps);
5089 if (appData.debugMode) {
5090 fprintf(debugFP, "(extra)\n");
5093 setboardSpoiledMachineBlack = 0;
5097 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5099 char user_move[MSG_SIZ];
5102 if(gameInfo.variant == VariantSChess && promoChar) {
5103 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5104 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5105 } else suffix[0] = NULLCHAR;
5109 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5110 (int)moveType, fromX, fromY, toX, toY);
5111 DisplayError(user_move + strlen("say "), 0);
5113 case WhiteKingSideCastle:
5114 case BlackKingSideCastle:
5115 case WhiteQueenSideCastleWild:
5116 case BlackQueenSideCastleWild:
5118 case WhiteHSideCastleFR:
5119 case BlackHSideCastleFR:
5121 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5123 case WhiteQueenSideCastle:
5124 case BlackQueenSideCastle:
5125 case WhiteKingSideCastleWild:
5126 case BlackKingSideCastleWild:
5128 case WhiteASideCastleFR:
5129 case BlackASideCastleFR:
5131 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5133 case WhiteNonPromotion:
5134 case BlackNonPromotion:
5135 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5137 case WhitePromotion:
5138 case BlackPromotion:
5139 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5140 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5141 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5142 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5143 PieceToChar(WhiteFerz));
5144 else if(gameInfo.variant == VariantGreat)
5145 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5146 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5147 PieceToChar(WhiteMan));
5149 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5150 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5156 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5157 ToUpper(PieceToChar((ChessSquare) fromX)),
5158 AAA + toX, ONE + toY);
5160 case IllegalMove: /* could be a variant we don't quite understand */
5161 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5163 case WhiteCapturesEnPassant:
5164 case BlackCapturesEnPassant:
5165 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5166 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5169 SendToICS(user_move);
5170 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5171 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5176 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5177 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5178 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5179 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5180 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5183 if(gameMode != IcsExamining) { // is this ever not the case?
5184 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5186 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5187 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5188 } else { // on FICS we must first go to general examine mode
5189 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5191 if(gameInfo.variant != VariantNormal) {
5192 // try figure out wild number, as xboard names are not always valid on ICS
5193 for(i=1; i<=36; i++) {
5194 snprintf(buf, MSG_SIZ, "wild/%d", i);
5195 if(StringToVariant(buf) == gameInfo.variant) break;
5197 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5198 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5199 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5200 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5201 SendToICS(ics_prefix);
5203 if(startedFromSetupPosition || backwardMostMove != 0) {
5204 fen = PositionToFEN(backwardMostMove, NULL, 1);
5205 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5206 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5208 } else { // FICS: everything has to set by separate bsetup commands
5209 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5210 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5212 if(!WhiteOnMove(backwardMostMove)) {
5213 SendToICS("bsetup tomove black\n");
5215 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5216 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5218 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5219 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5221 i = boards[backwardMostMove][EP_STATUS];
5222 if(i >= 0) { // set e.p.
5223 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5229 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5230 SendToICS("bsetup done\n"); // switch to normal examining.
5232 for(i = backwardMostMove; i<last; i++) {
5234 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5235 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5236 int len = strlen(moveList[i]);
5237 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5238 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5242 SendToICS(ics_prefix);
5243 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5246 int killX = -1, killY = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5249 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5251 if (rf == DROP_RANK) {
5252 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5253 sprintf(move, "%c@%c%c\n",
5254 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5256 if (promoChar == 'x' || promoChar == NULLCHAR) {
5257 sprintf(move, "%c%c%c%c\n",
5258 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5259 if(killX >= 0 && killY >= 0) sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5261 sprintf(move, "%c%c%c%c%c\n",
5262 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5268 ProcessICSInitScript (FILE *f)
5272 while (fgets(buf, MSG_SIZ, f)) {
5273 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5280 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag, dragging;
5281 static ClickType lastClickType;
5286 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5287 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5288 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5289 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5290 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5291 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5294 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5295 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5296 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5297 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5298 if(!step) step = -1;
5299 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5300 appData.testLegality && (promoSweep == king || promoSweep == WhiteLion || promoSweep == BlackLion) ||
5301 IS_SHOGI(gameInfo.variant) && promoSweep != CHUPROMOTED last && last != CHUPROMOTED promoSweep && last != promoSweep);
5303 int victim = boards[currentMove][toY][toX];
5304 boards[currentMove][toY][toX] = promoSweep;
5305 DrawPosition(FALSE, boards[currentMove]);
5306 boards[currentMove][toY][toX] = victim;
5308 ChangeDragPiece(promoSweep);
5312 PromoScroll (int x, int y)
5316 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5317 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5318 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5319 if(!step) return FALSE;
5320 lastX = x; lastY = y;
5321 if((promoSweep < BlackPawn) == flipView) step = -step;
5322 if(step > 0) selectFlag = 1;
5323 if(!selectFlag) Sweep(step);
5328 NextPiece (int step)
5330 ChessSquare piece = boards[currentMove][toY][toX];
5333 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5334 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5335 if(!step) step = -1;
5336 } while(PieceToChar(pieceSweep) == '.');
5337 boards[currentMove][toY][toX] = pieceSweep;
5338 DrawPosition(FALSE, boards[currentMove]);
5339 boards[currentMove][toY][toX] = piece;
5341 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5343 AlphaRank (char *move, int n)
5345 // char *p = move, c; int x, y;
5347 if (appData.debugMode) {
5348 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5352 move[2]>='0' && move[2]<='9' &&
5353 move[3]>='a' && move[3]<='x' ) {
5355 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5356 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5358 if(move[0]>='0' && move[0]<='9' &&
5359 move[1]>='a' && move[1]<='x' &&
5360 move[2]>='0' && move[2]<='9' &&
5361 move[3]>='a' && move[3]<='x' ) {
5362 /* input move, Shogi -> normal */
5363 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5364 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5365 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5366 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5369 move[3]>='0' && move[3]<='9' &&
5370 move[2]>='a' && move[2]<='x' ) {
5372 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5373 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5376 move[0]>='a' && move[0]<='x' &&
5377 move[3]>='0' && move[3]<='9' &&
5378 move[2]>='a' && move[2]<='x' ) {
5379 /* output move, normal -> Shogi */
5380 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5381 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5382 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5383 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5384 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5386 if (appData.debugMode) {
5387 fprintf(debugFP, " out = '%s'\n", move);
5391 char yy_textstr[8000];
5393 /* Parser for moves from gnuchess, ICS, or user typein box */
5395 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5397 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5399 switch (*moveType) {
5400 case WhitePromotion:
5401 case BlackPromotion:
5402 case WhiteNonPromotion:
5403 case BlackNonPromotion:
5406 case WhiteCapturesEnPassant:
5407 case BlackCapturesEnPassant:
5408 case WhiteKingSideCastle:
5409 case WhiteQueenSideCastle:
5410 case BlackKingSideCastle:
5411 case BlackQueenSideCastle:
5412 case WhiteKingSideCastleWild:
5413 case WhiteQueenSideCastleWild:
5414 case BlackKingSideCastleWild:
5415 case BlackQueenSideCastleWild:
5416 /* Code added by Tord: */
5417 case WhiteHSideCastleFR:
5418 case WhiteASideCastleFR:
5419 case BlackHSideCastleFR:
5420 case BlackASideCastleFR:
5421 /* End of code added by Tord */
5422 case IllegalMove: /* bug or odd chess variant */
5423 *fromX = currentMoveString[0] - AAA;
5424 *fromY = currentMoveString[1] - ONE;
5425 *toX = currentMoveString[2] - AAA;
5426 *toY = currentMoveString[3] - ONE;
5427 *promoChar = currentMoveString[4];
5428 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5429 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5430 if (appData.debugMode) {
5431 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5433 *fromX = *fromY = *toX = *toY = 0;
5436 if (appData.testLegality) {
5437 return (*moveType != IllegalMove);
5439 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5440 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5445 *fromX = *moveType == WhiteDrop ?
5446 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5447 (int) CharToPiece(ToLower(currentMoveString[0]));
5449 *toX = currentMoveString[2] - AAA;
5450 *toY = currentMoveString[3] - ONE;
5451 *promoChar = NULLCHAR;
5455 case ImpossibleMove:
5465 if (appData.debugMode) {
5466 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5469 *fromX = *fromY = *toX = *toY = 0;
5470 *promoChar = NULLCHAR;
5475 Boolean pushed = FALSE;
5476 char *lastParseAttempt;
5479 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5480 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5481 int fromX, fromY, toX, toY; char promoChar;
5486 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5487 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5488 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5491 endPV = forwardMostMove;
5493 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5494 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5495 lastParseAttempt = pv;
5496 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5497 if(!valid && nr == 0 &&
5498 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5499 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5500 // Hande case where played move is different from leading PV move
5501 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5502 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5503 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5504 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5505 endPV += 2; // if position different, keep this
5506 moveList[endPV-1][0] = fromX + AAA;
5507 moveList[endPV-1][1] = fromY + ONE;
5508 moveList[endPV-1][2] = toX + AAA;
5509 moveList[endPV-1][3] = toY + ONE;
5510 parseList[endPV-1][0] = NULLCHAR;
5511 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5514 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5515 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5516 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5517 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5518 valid++; // allow comments in PV
5522 if(endPV+1 > framePtr) break; // no space, truncate
5525 CopyBoard(boards[endPV], boards[endPV-1]);
5526 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5527 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5528 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5529 CoordsToAlgebraic(boards[endPV - 1],
5530 PosFlags(endPV - 1),
5531 fromY, fromX, toY, toX, promoChar,
5532 parseList[endPV - 1]);
5534 if(atEnd == 2) return; // used hidden, for PV conversion
5535 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5536 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5537 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5538 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5539 DrawPosition(TRUE, boards[currentMove]);
5543 MultiPV (ChessProgramState *cps)
5544 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5546 for(i=0; i<cps->nrOptions; i++)
5547 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5552 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5555 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5557 int startPV, multi, lineStart, origIndex = index;
5558 char *p, buf2[MSG_SIZ];
5559 ChessProgramState *cps = (pane ? &second : &first);
5561 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5562 lastX = x; lastY = y;
5563 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5564 lineStart = startPV = index;
5565 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5566 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5568 do{ while(buf[index] && buf[index] != '\n') index++;
5569 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5571 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5572 int n = cps->option[multi].value;
5573 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5574 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5575 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5576 cps->option[multi].value = n;
5579 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5580 ExcludeClick(origIndex - lineStart);
5583 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5584 *start = startPV; *end = index-1;
5585 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5592 static char buf[10*MSG_SIZ];
5593 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5595 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5596 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5597 for(i = forwardMostMove; i<endPV; i++){
5598 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5599 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5602 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5603 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5604 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5610 LoadPV (int x, int y)
5611 { // called on right mouse click to load PV
5612 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5613 lastX = x; lastY = y;
5614 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5622 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5623 if(endPV < 0) return;
5624 if(appData.autoCopyPV) CopyFENToClipboard();
5626 if(extendGame && currentMove > forwardMostMove) {
5627 Boolean saveAnimate = appData.animate;
5629 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5630 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5631 } else storedGames--; // abandon shelved tail of original game
5634 forwardMostMove = currentMove;
5635 currentMove = oldFMM;
5636 appData.animate = FALSE;
5637 ToNrEvent(forwardMostMove);
5638 appData.animate = saveAnimate;
5640 currentMove = forwardMostMove;
5641 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5642 ClearPremoveHighlights();
5643 DrawPosition(TRUE, boards[currentMove]);
5647 MovePV (int x, int y, int h)
5648 { // step through PV based on mouse coordinates (called on mouse move)
5649 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5651 // we must somehow check if right button is still down (might be released off board!)
5652 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5653 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5654 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5656 lastX = x; lastY = y;
5658 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5659 if(endPV < 0) return;
5660 if(y < margin) step = 1; else
5661 if(y > h - margin) step = -1;
5662 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5663 currentMove += step;
5664 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5665 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5666 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5667 DrawPosition(FALSE, boards[currentMove]);
5671 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5672 // All positions will have equal probability, but the current method will not provide a unique
5673 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5679 int piecesLeft[(int)BlackPawn];
5680 int seed, nrOfShuffles;
5683 GetPositionNumber ()
5684 { // sets global variable seed
5687 seed = appData.defaultFrcPosition;
5688 if(seed < 0) { // randomize based on time for negative FRC position numbers
5689 for(i=0; i<50; i++) seed += random();
5690 seed = random() ^ random() >> 8 ^ random() << 8;
5691 if(seed<0) seed = -seed;
5696 put (Board board, int pieceType, int rank, int n, int shade)
5697 // put the piece on the (n-1)-th empty squares of the given shade
5701 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5702 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5703 board[rank][i] = (ChessSquare) pieceType;
5704 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5706 piecesLeft[pieceType]--;
5715 AddOnePiece (Board board, int pieceType, int rank, int shade)
5716 // calculate where the next piece goes, (any empty square), and put it there
5720 i = seed % squaresLeft[shade];
5721 nrOfShuffles *= squaresLeft[shade];
5722 seed /= squaresLeft[shade];
5723 put(board, pieceType, rank, i, shade);
5727 AddTwoPieces (Board board, int pieceType, int rank)
5728 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5730 int i, n=squaresLeft[ANY], j=n-1, k;
5732 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5733 i = seed % k; // pick one
5736 while(i >= j) i -= j--;
5737 j = n - 1 - j; i += j;
5738 put(board, pieceType, rank, j, ANY);
5739 put(board, pieceType, rank, i, ANY);
5743 SetUpShuffle (Board board, int number)
5747 GetPositionNumber(); nrOfShuffles = 1;
5749 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5750 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5751 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5753 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5755 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5756 p = (int) board[0][i];
5757 if(p < (int) BlackPawn) piecesLeft[p] ++;
5758 board[0][i] = EmptySquare;
5761 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5762 // shuffles restricted to allow normal castling put KRR first
5763 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5764 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5765 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5766 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5767 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5768 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5769 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5770 put(board, WhiteRook, 0, 0, ANY);
5771 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5774 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5775 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5776 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5777 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5778 while(piecesLeft[p] >= 2) {
5779 AddOnePiece(board, p, 0, LITE);
5780 AddOnePiece(board, p, 0, DARK);
5782 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5785 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5786 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5787 // but we leave King and Rooks for last, to possibly obey FRC restriction
5788 if(p == (int)WhiteRook) continue;
5789 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5790 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5793 // now everything is placed, except perhaps King (Unicorn) and Rooks
5795 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5796 // Last King gets castling rights
5797 while(piecesLeft[(int)WhiteUnicorn]) {
5798 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5799 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5802 while(piecesLeft[(int)WhiteKing]) {
5803 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5804 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5809 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5810 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5813 // Only Rooks can be left; simply place them all
5814 while(piecesLeft[(int)WhiteRook]) {
5815 i = put(board, WhiteRook, 0, 0, ANY);
5816 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5819 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5821 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5824 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5825 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5828 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5832 SetCharTable (char *table, const char * map)
5833 /* [HGM] moved here from winboard.c because of its general usefulness */
5834 /* Basically a safe strcpy that uses the last character as King */
5836 int result = FALSE; int NrPieces;
5838 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5839 && NrPieces >= 12 && !(NrPieces&1)) {
5840 int i; /* [HGM] Accept even length from 12 to 34 */
5842 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5843 for( i=0; i<NrPieces/2-1; i++ ) {
5845 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5847 table[(int) WhiteKing] = map[NrPieces/2-1];
5848 table[(int) BlackKing] = map[NrPieces-1];
5857 Prelude (Board board)
5858 { // [HGM] superchess: random selection of exo-pieces
5859 int i, j, k; ChessSquare p;
5860 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5862 GetPositionNumber(); // use FRC position number
5864 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5865 SetCharTable(pieceToChar, appData.pieceToCharTable);
5866 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5867 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5870 j = seed%4; seed /= 4;
5871 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5872 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5873 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5874 j = seed%3 + (seed%3 >= j); seed /= 3;
5875 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5876 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5877 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5878 j = seed%3; seed /= 3;
5879 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5880 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5881 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5882 j = seed%2 + (seed%2 >= j); seed /= 2;
5883 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5884 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5885 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5886 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5887 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5888 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5889 put(board, exoPieces[0], 0, 0, ANY);
5890 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5894 InitPosition (int redraw)
5896 ChessSquare (* pieces)[BOARD_FILES];
5897 int i, j, pawnRow=1, pieceRows=1, overrule,
5898 oldx = gameInfo.boardWidth,
5899 oldy = gameInfo.boardHeight,
5900 oldh = gameInfo.holdingsWidth;
5903 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5905 /* [AS] Initialize pv info list [HGM] and game status */
5907 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5908 pvInfoList[i].depth = 0;
5909 boards[i][EP_STATUS] = EP_NONE;
5910 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5913 initialRulePlies = 0; /* 50-move counter start */
5915 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5916 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5920 /* [HGM] logic here is completely changed. In stead of full positions */
5921 /* the initialized data only consist of the two backranks. The switch */
5922 /* selects which one we will use, which is than copied to the Board */
5923 /* initialPosition, which for the rest is initialized by Pawns and */
5924 /* empty squares. This initial position is then copied to boards[0], */
5925 /* possibly after shuffling, so that it remains available. */
5927 gameInfo.holdingsWidth = 0; /* default board sizes */
5928 gameInfo.boardWidth = 8;
5929 gameInfo.boardHeight = 8;
5930 gameInfo.holdingsSize = 0;
5931 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5932 for(i=0; i<BOARD_FILES-2; i++)
5933 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5934 initialPosition[EP_STATUS] = EP_NONE;
5935 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5936 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5937 SetCharTable(pieceNickName, appData.pieceNickNames);
5938 else SetCharTable(pieceNickName, "............");
5941 switch (gameInfo.variant) {
5942 case VariantFischeRandom:
5943 shuffleOpenings = TRUE;
5946 case VariantShatranj:
5947 pieces = ShatranjArray;
5948 nrCastlingRights = 0;
5949 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5952 pieces = makrukArray;
5953 nrCastlingRights = 0;
5954 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5957 pieces = aseanArray;
5958 nrCastlingRights = 0;
5959 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
5961 case VariantTwoKings:
5962 pieces = twoKingsArray;
5965 pieces = GrandArray;
5966 nrCastlingRights = 0;
5967 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5968 gameInfo.boardWidth = 10;
5969 gameInfo.boardHeight = 10;
5970 gameInfo.holdingsSize = 7;
5972 case VariantCapaRandom:
5973 shuffleOpenings = TRUE;
5974 case VariantCapablanca:
5975 pieces = CapablancaArray;
5976 gameInfo.boardWidth = 10;
5977 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5980 pieces = GothicArray;
5981 gameInfo.boardWidth = 10;
5982 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5985 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5986 gameInfo.holdingsSize = 7;
5987 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5990 pieces = JanusArray;
5991 gameInfo.boardWidth = 10;
5992 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5993 nrCastlingRights = 6;
5994 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5995 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5996 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5997 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5998 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5999 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6002 pieces = FalconArray;
6003 gameInfo.boardWidth = 10;
6004 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
6006 case VariantXiangqi:
6007 pieces = XiangqiArray;
6008 gameInfo.boardWidth = 9;
6009 gameInfo.boardHeight = 10;
6010 nrCastlingRights = 0;
6011 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6014 pieces = ShogiArray;
6015 gameInfo.boardWidth = 9;
6016 gameInfo.boardHeight = 9;
6017 gameInfo.holdingsSize = 7;
6018 nrCastlingRights = 0;
6019 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6022 pieces = ChuArray; pieceRows = 3;
6023 gameInfo.boardWidth = 12;
6024 gameInfo.boardHeight = 12;
6025 nrCastlingRights = 0;
6026 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6027 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6029 case VariantCourier:
6030 pieces = CourierArray;
6031 gameInfo.boardWidth = 12;
6032 nrCastlingRights = 0;
6033 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6035 case VariantKnightmate:
6036 pieces = KnightmateArray;
6037 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6039 case VariantSpartan:
6040 pieces = SpartanArray;
6041 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6045 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6048 pieces = fairyArray;
6049 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6052 pieces = GreatArray;
6053 gameInfo.boardWidth = 10;
6054 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6055 gameInfo.holdingsSize = 8;
6059 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6060 gameInfo.holdingsSize = 8;
6061 startedFromSetupPosition = TRUE;
6063 case VariantCrazyhouse:
6064 case VariantBughouse:
6066 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6067 gameInfo.holdingsSize = 5;
6069 case VariantWildCastle:
6071 /* !!?shuffle with kings guaranteed to be on d or e file */
6072 shuffleOpenings = 1;
6074 case VariantNoCastle:
6076 nrCastlingRights = 0;
6077 /* !!?unconstrained back-rank shuffle */
6078 shuffleOpenings = 1;
6083 if(appData.NrFiles >= 0) {
6084 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6085 gameInfo.boardWidth = appData.NrFiles;
6087 if(appData.NrRanks >= 0) {
6088 gameInfo.boardHeight = appData.NrRanks;
6090 if(appData.holdingsSize >= 0) {
6091 i = appData.holdingsSize;
6092 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6093 gameInfo.holdingsSize = i;
6095 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6096 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6097 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6099 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6100 if(pawnRow < 1) pawnRow = 1;
6101 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN || gameInfo.variant == VariantGrand) pawnRow = 2;
6102 if(gameInfo.variant == VariantChu) pawnRow = 3;
6104 /* User pieceToChar list overrules defaults */
6105 if(appData.pieceToCharTable != NULL)
6106 SetCharTable(pieceToChar, appData.pieceToCharTable);
6108 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6110 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6111 s = (ChessSquare) 0; /* account holding counts in guard band */
6112 for( i=0; i<BOARD_HEIGHT; i++ )
6113 initialPosition[i][j] = s;
6115 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6116 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6117 initialPosition[pawnRow][j] = WhitePawn;
6118 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6119 if(gameInfo.variant == VariantXiangqi) {
6121 initialPosition[pawnRow][j] =
6122 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6123 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6124 initialPosition[2][j] = WhiteCannon;
6125 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6129 if(gameInfo.variant == VariantChu) {
6130 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6131 initialPosition[pawnRow+1][j] = WhiteCobra,
6132 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6133 for(i=1; i<pieceRows; i++) {
6134 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6135 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6138 if(gameInfo.variant == VariantGrand) {
6139 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6140 initialPosition[0][j] = WhiteRook;
6141 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6144 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6146 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6149 initialPosition[1][j] = WhiteBishop;
6150 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6152 initialPosition[1][j] = WhiteRook;
6153 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6156 if( nrCastlingRights == -1) {
6157 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6158 /* This sets default castling rights from none to normal corners */
6159 /* Variants with other castling rights must set them themselves above */
6160 nrCastlingRights = 6;
6162 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6163 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6164 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6165 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6166 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6167 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6170 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6171 if(gameInfo.variant == VariantGreat) { // promotion commoners
6172 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6173 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6174 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6175 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6177 if( gameInfo.variant == VariantSChess ) {
6178 initialPosition[1][0] = BlackMarshall;
6179 initialPosition[2][0] = BlackAngel;
6180 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6181 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6182 initialPosition[1][1] = initialPosition[2][1] =
6183 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6185 if (appData.debugMode) {
6186 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6188 if(shuffleOpenings) {
6189 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6190 startedFromSetupPosition = TRUE;
6192 if(startedFromPositionFile) {
6193 /* [HGM] loadPos: use PositionFile for every new game */
6194 CopyBoard(initialPosition, filePosition);
6195 for(i=0; i<nrCastlingRights; i++)
6196 initialRights[i] = filePosition[CASTLING][i];
6197 startedFromSetupPosition = TRUE;
6200 CopyBoard(boards[0], initialPosition);
6202 if(oldx != gameInfo.boardWidth ||
6203 oldy != gameInfo.boardHeight ||
6204 oldv != gameInfo.variant ||
6205 oldh != gameInfo.holdingsWidth
6207 InitDrawingSizes(-2 ,0);
6209 oldv = gameInfo.variant;
6211 DrawPosition(TRUE, boards[currentMove]);
6215 SendBoard (ChessProgramState *cps, int moveNum)
6217 char message[MSG_SIZ];
6219 if (cps->useSetboard) {
6220 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6221 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6222 SendToProgram(message, cps);
6227 int i, j, left=0, right=BOARD_WIDTH;
6228 /* Kludge to set black to move, avoiding the troublesome and now
6229 * deprecated "black" command.
6231 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6232 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6234 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6236 SendToProgram("edit\n", cps);
6237 SendToProgram("#\n", cps);
6238 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6239 bp = &boards[moveNum][i][left];
6240 for (j = left; j < right; j++, bp++) {
6241 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6242 if ((int) *bp < (int) BlackPawn) {
6243 if(j == BOARD_RGHT+1)
6244 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6245 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6246 if(message[0] == '+' || message[0] == '~') {
6247 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6248 PieceToChar((ChessSquare)(DEMOTED *bp)),
6251 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6252 message[1] = BOARD_RGHT - 1 - j + '1';
6253 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6255 SendToProgram(message, cps);
6260 SendToProgram("c\n", cps);
6261 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6262 bp = &boards[moveNum][i][left];
6263 for (j = left; j < right; j++, bp++) {
6264 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6265 if (((int) *bp != (int) EmptySquare)
6266 && ((int) *bp >= (int) BlackPawn)) {
6267 if(j == BOARD_LEFT-2)
6268 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6269 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6271 if(message[0] == '+' || message[0] == '~') {
6272 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6273 PieceToChar((ChessSquare)(DEMOTED *bp)),
6276 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6277 message[1] = BOARD_RGHT - 1 - j + '1';
6278 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6280 SendToProgram(message, cps);
6285 SendToProgram(".\n", cps);
6287 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6290 char exclusionHeader[MSG_SIZ];
6291 int exCnt, excludePtr;
6292 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6293 static Exclusion excluTab[200];
6294 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6300 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6301 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6307 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6308 excludePtr = 24; exCnt = 0;
6313 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6314 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6315 char buf[2*MOVE_LEN], *p;
6316 Exclusion *e = excluTab;
6318 for(i=0; i<exCnt; i++)
6319 if(e[i].ff == fromX && e[i].fr == fromY &&
6320 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6321 if(i == exCnt) { // was not in exclude list; add it
6322 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6323 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6324 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6327 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6328 excludePtr++; e[i].mark = excludePtr++;
6329 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6332 exclusionHeader[e[i].mark] = state;
6336 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6337 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6341 if((signed char)promoChar == -1) { // kludge to indicate best move
6342 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6343 return 1; // if unparsable, abort
6345 // update exclusion map (resolving toggle by consulting existing state)
6346 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6348 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6349 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6350 excludeMap[k] |= 1<<j;
6351 else excludeMap[k] &= ~(1<<j);
6353 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6355 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6356 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6358 return (state == '+');
6362 ExcludeClick (int index)
6365 Exclusion *e = excluTab;
6366 if(index < 25) { // none, best or tail clicked
6367 if(index < 13) { // none: include all
6368 WriteMap(0); // clear map
6369 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6370 SendToBoth("include all\n"); // and inform engine
6371 } else if(index > 18) { // tail
6372 if(exclusionHeader[19] == '-') { // tail was excluded
6373 SendToBoth("include all\n");
6374 WriteMap(0); // clear map completely
6375 // now re-exclude selected moves
6376 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6377 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6378 } else { // tail was included or in mixed state
6379 SendToBoth("exclude all\n");
6380 WriteMap(0xFF); // fill map completely
6381 // now re-include selected moves
6382 j = 0; // count them
6383 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6384 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6385 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6388 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6391 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6392 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6393 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6400 DefaultPromoChoice (int white)
6403 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6404 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6405 result = WhiteFerz; // no choice
6406 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6407 result= WhiteKing; // in Suicide Q is the last thing we want
6408 else if(gameInfo.variant == VariantSpartan)
6409 result = white ? WhiteQueen : WhiteAngel;
6410 else result = WhiteQueen;
6411 if(!white) result = WHITE_TO_BLACK result;
6415 static int autoQueen; // [HGM] oneclick
6418 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6420 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6421 /* [HGM] add Shogi promotions */
6422 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6427 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6428 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6430 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6431 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6434 piece = boards[currentMove][fromY][fromX];
6435 if(gameInfo.variant == VariantChu) {
6436 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6437 promotionZoneSize = BOARD_HEIGHT/3;
6438 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6439 } else if(gameInfo.variant == VariantShogi) {
6440 promotionZoneSize = BOARD_HEIGHT/3;
6441 highestPromotingPiece = (int)WhiteAlfil;
6442 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6443 promotionZoneSize = 3;
6446 // Treat Lance as Pawn when it is not representing Amazon
6447 if(gameInfo.variant != VariantSuper) {
6448 if(piece == WhiteLance) piece = WhitePawn; else
6449 if(piece == BlackLance) piece = BlackPawn;
6452 // next weed out all moves that do not touch the promotion zone at all
6453 if((int)piece >= BlackPawn) {
6454 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6456 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6458 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6459 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6462 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6464 // weed out mandatory Shogi promotions
6465 if(gameInfo.variant == VariantShogi) {
6466 if(piece >= BlackPawn) {
6467 if(toY == 0 && piece == BlackPawn ||
6468 toY == 0 && piece == BlackQueen ||
6469 toY <= 1 && piece == BlackKnight) {
6474 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6475 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6476 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6483 // weed out obviously illegal Pawn moves
6484 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6485 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6486 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6487 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6488 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6489 // note we are not allowed to test for valid (non-)capture, due to premove
6492 // we either have a choice what to promote to, or (in Shogi) whether to promote
6493 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6494 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6495 *promoChoice = PieceToChar(BlackFerz); // no choice
6498 // no sense asking what we must promote to if it is going to explode...
6499 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6500 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6503 // give caller the default choice even if we will not make it
6504 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6505 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6506 if( sweepSelect && gameInfo.variant != VariantGreat
6507 && gameInfo.variant != VariantGrand
6508 && gameInfo.variant != VariantSuper) return FALSE;
6509 if(autoQueen) return FALSE; // predetermined
6511 // suppress promotion popup on illegal moves that are not premoves
6512 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6513 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6514 if(appData.testLegality && !premove) {
6515 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6516 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) ? '+' : NULLCHAR);
6517 if(moveType != WhitePromotion && moveType != BlackPromotion)
6525 InPalace (int row, int column)
6526 { /* [HGM] for Xiangqi */
6527 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6528 column < (BOARD_WIDTH + 4)/2 &&
6529 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6534 PieceForSquare (int x, int y)
6536 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6539 return boards[currentMove][y][x];
6543 OKToStartUserMove (int x, int y)
6545 ChessSquare from_piece;
6548 if (matchMode) return FALSE;
6549 if (gameMode == EditPosition) return TRUE;
6551 if (x >= 0 && y >= 0)
6552 from_piece = boards[currentMove][y][x];
6554 from_piece = EmptySquare;
6556 if (from_piece == EmptySquare) return FALSE;
6558 white_piece = (int)from_piece >= (int)WhitePawn &&
6559 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6563 case TwoMachinesPlay:
6571 case MachinePlaysWhite:
6572 case IcsPlayingBlack:
6573 if (appData.zippyPlay) return FALSE;
6575 DisplayMoveError(_("You are playing Black"));
6580 case MachinePlaysBlack:
6581 case IcsPlayingWhite:
6582 if (appData.zippyPlay) return FALSE;
6584 DisplayMoveError(_("You are playing White"));
6589 case PlayFromGameFile:
6590 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6592 if (!white_piece && WhiteOnMove(currentMove)) {
6593 DisplayMoveError(_("It is White's turn"));
6596 if (white_piece && !WhiteOnMove(currentMove)) {
6597 DisplayMoveError(_("It is Black's turn"));
6600 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6601 /* Editing correspondence game history */
6602 /* Could disallow this or prompt for confirmation */
6607 case BeginningOfGame:
6608 if (appData.icsActive) return FALSE;
6609 if (!appData.noChessProgram) {
6611 DisplayMoveError(_("You are playing White"));
6618 if (!white_piece && WhiteOnMove(currentMove)) {
6619 DisplayMoveError(_("It is White's turn"));
6622 if (white_piece && !WhiteOnMove(currentMove)) {
6623 DisplayMoveError(_("It is Black's turn"));
6632 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6633 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6634 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6635 && gameMode != AnalyzeFile && gameMode != Training) {
6636 DisplayMoveError(_("Displayed position is not current"));
6643 OnlyMove (int *x, int *y, Boolean captures)
6645 DisambiguateClosure cl;
6646 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6648 case MachinePlaysBlack:
6649 case IcsPlayingWhite:
6650 case BeginningOfGame:
6651 if(!WhiteOnMove(currentMove)) return FALSE;
6653 case MachinePlaysWhite:
6654 case IcsPlayingBlack:
6655 if(WhiteOnMove(currentMove)) return FALSE;
6662 cl.pieceIn = EmptySquare;
6667 cl.promoCharIn = NULLCHAR;
6668 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6669 if( cl.kind == NormalMove ||
6670 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6671 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6672 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6679 if(cl.kind != ImpossibleMove) return FALSE;
6680 cl.pieceIn = EmptySquare;
6685 cl.promoCharIn = NULLCHAR;
6686 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6687 if( cl.kind == NormalMove ||
6688 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6689 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6690 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6695 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6701 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6702 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6703 int lastLoadGameUseList = FALSE;
6704 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6705 ChessMove lastLoadGameStart = EndOfFile;
6709 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6713 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6715 /* Check if the user is playing in turn. This is complicated because we
6716 let the user "pick up" a piece before it is his turn. So the piece he
6717 tried to pick up may have been captured by the time he puts it down!
6718 Therefore we use the color the user is supposed to be playing in this
6719 test, not the color of the piece that is currently on the starting
6720 square---except in EditGame mode, where the user is playing both
6721 sides; fortunately there the capture race can't happen. (It can
6722 now happen in IcsExamining mode, but that's just too bad. The user
6723 will get a somewhat confusing message in that case.)
6728 case TwoMachinesPlay:
6732 /* We switched into a game mode where moves are not accepted,
6733 perhaps while the mouse button was down. */
6736 case MachinePlaysWhite:
6737 /* User is moving for Black */
6738 if (WhiteOnMove(currentMove)) {
6739 DisplayMoveError(_("It is White's turn"));
6744 case MachinePlaysBlack:
6745 /* User is moving for White */
6746 if (!WhiteOnMove(currentMove)) {
6747 DisplayMoveError(_("It is Black's turn"));
6752 case PlayFromGameFile:
6753 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6756 case BeginningOfGame:
6759 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6760 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6761 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6762 /* User is moving for Black */
6763 if (WhiteOnMove(currentMove)) {
6764 DisplayMoveError(_("It is White's turn"));
6768 /* User is moving for White */
6769 if (!WhiteOnMove(currentMove)) {
6770 DisplayMoveError(_("It is Black's turn"));
6776 case IcsPlayingBlack:
6777 /* User is moving for Black */
6778 if (WhiteOnMove(currentMove)) {
6779 if (!appData.premove) {
6780 DisplayMoveError(_("It is White's turn"));
6781 } else if (toX >= 0 && toY >= 0) {
6784 premoveFromX = fromX;
6785 premoveFromY = fromY;
6786 premovePromoChar = promoChar;
6788 if (appData.debugMode)
6789 fprintf(debugFP, "Got premove: fromX %d,"
6790 "fromY %d, toX %d, toY %d\n",
6791 fromX, fromY, toX, toY);
6797 case IcsPlayingWhite:
6798 /* User is moving for White */
6799 if (!WhiteOnMove(currentMove)) {
6800 if (!appData.premove) {
6801 DisplayMoveError(_("It is Black's turn"));
6802 } else if (toX >= 0 && toY >= 0) {
6805 premoveFromX = fromX;
6806 premoveFromY = fromY;
6807 premovePromoChar = promoChar;
6809 if (appData.debugMode)
6810 fprintf(debugFP, "Got premove: fromX %d,"
6811 "fromY %d, toX %d, toY %d\n",
6812 fromX, fromY, toX, toY);
6822 /* EditPosition, empty square, or different color piece;
6823 click-click move is possible */
6824 if (toX == -2 || toY == -2) {
6825 boards[0][fromY][fromX] = EmptySquare;
6826 DrawPosition(FALSE, boards[currentMove]);
6828 } else if (toX >= 0 && toY >= 0) {
6829 boards[0][toY][toX] = boards[0][fromY][fromX];
6830 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6831 if(boards[0][fromY][0] != EmptySquare) {
6832 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6833 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6836 if(fromX == BOARD_RGHT+1) {
6837 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6838 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6839 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6842 boards[0][fromY][fromX] = gatingPiece;
6843 DrawPosition(FALSE, boards[currentMove]);
6849 if(toX < 0 || toY < 0) return;
6850 pup = boards[currentMove][toY][toX];
6852 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6853 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6854 if( pup != EmptySquare ) return;
6855 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6856 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6857 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6858 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6859 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6860 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6861 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6865 /* [HGM] always test for legality, to get promotion info */
6866 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6867 fromY, fromX, toY, toX, promoChar);
6869 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6871 /* [HGM] but possibly ignore an IllegalMove result */
6872 if (appData.testLegality) {
6873 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6874 DisplayMoveError(_("Illegal move"));
6879 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6880 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6881 ClearPremoveHighlights(); // was included
6882 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6886 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6889 /* Common tail of UserMoveEvent and DropMenuEvent */
6891 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6895 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6896 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6897 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6898 if(WhiteOnMove(currentMove)) {
6899 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6901 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6905 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6906 move type in caller when we know the move is a legal promotion */
6907 if(moveType == NormalMove && promoChar)
6908 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6910 /* [HGM] <popupFix> The following if has been moved here from
6911 UserMoveEvent(). Because it seemed to belong here (why not allow
6912 piece drops in training games?), and because it can only be
6913 performed after it is known to what we promote. */
6914 if (gameMode == Training) {
6915 /* compare the move played on the board to the next move in the
6916 * game. If they match, display the move and the opponent's response.
6917 * If they don't match, display an error message.
6921 CopyBoard(testBoard, boards[currentMove]);
6922 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6924 if (CompareBoards(testBoard, boards[currentMove+1])) {
6925 ForwardInner(currentMove+1);
6927 /* Autoplay the opponent's response.
6928 * if appData.animate was TRUE when Training mode was entered,
6929 * the response will be animated.
6931 saveAnimate = appData.animate;
6932 appData.animate = animateTraining;
6933 ForwardInner(currentMove+1);
6934 appData.animate = saveAnimate;
6936 /* check for the end of the game */
6937 if (currentMove >= forwardMostMove) {
6938 gameMode = PlayFromGameFile;
6940 SetTrainingModeOff();
6941 DisplayInformation(_("End of game"));
6944 DisplayError(_("Incorrect move"), 0);
6949 /* Ok, now we know that the move is good, so we can kill
6950 the previous line in Analysis Mode */
6951 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6952 && currentMove < forwardMostMove) {
6953 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6954 else forwardMostMove = currentMove;
6959 /* If we need the chess program but it's dead, restart it */
6960 ResurrectChessProgram();
6962 /* A user move restarts a paused game*/
6966 thinkOutput[0] = NULLCHAR;
6968 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6970 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6971 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6975 if (gameMode == BeginningOfGame) {
6976 if (appData.noChessProgram) {
6977 gameMode = EditGame;
6981 gameMode = MachinePlaysBlack;
6984 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6986 if (first.sendName) {
6987 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6988 SendToProgram(buf, &first);
6995 /* Relay move to ICS or chess engine */
6996 if (appData.icsActive) {
6997 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6998 gameMode == IcsExamining) {
6999 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7000 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7002 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7004 // also send plain move, in case ICS does not understand atomic claims
7005 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7009 if (first.sendTime && (gameMode == BeginningOfGame ||
7010 gameMode == MachinePlaysWhite ||
7011 gameMode == MachinePlaysBlack)) {
7012 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7014 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7015 // [HGM] book: if program might be playing, let it use book
7016 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7017 first.maybeThinking = TRUE;
7018 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7019 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7020 SendBoard(&first, currentMove+1);
7021 if(second.analyzing) {
7022 if(!second.useSetboard) SendToProgram("undo\n", &second);
7023 SendBoard(&second, currentMove+1);
7026 SendMoveToProgram(forwardMostMove-1, &first);
7027 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7029 if (currentMove == cmailOldMove + 1) {
7030 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7034 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7038 if(appData.testLegality)
7039 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7045 if (WhiteOnMove(currentMove)) {
7046 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7048 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7052 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7057 case MachinePlaysBlack:
7058 case MachinePlaysWhite:
7059 /* disable certain menu options while machine is thinking */
7060 SetMachineThinkingEnables();
7067 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7068 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7070 if(bookHit) { // [HGM] book: simulate book reply
7071 static char bookMove[MSG_SIZ]; // a bit generous?
7073 programStats.nodes = programStats.depth = programStats.time =
7074 programStats.score = programStats.got_only_move = 0;
7075 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7077 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7078 strcat(bookMove, bookHit);
7079 HandleMachineMove(bookMove, &first);
7085 MarkByFEN(char *fen)
7088 if(!appData.markers || !appData.highlightDragging) return;
7089 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7090 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7094 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7095 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7096 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7097 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7098 if(*fen == 'T') marker[r][f++] = 0; else
7099 if(*fen == 'Y') marker[r][f++] = 1; else
7100 if(*fen == 'G') marker[r][f++] = 3; else
7101 if(*fen == 'B') marker[r][f++] = 4; else
7102 if(*fen == 'C') marker[r][f++] = 5; else
7103 if(*fen == 'M') marker[r][f++] = 6; else
7104 if(*fen == 'W') marker[r][f++] = 7; else
7105 if(*fen == 'D') marker[r][f++] = 8; else
7106 if(*fen == 'R') marker[r][f++] = 2; else {
7107 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7110 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7114 DrawPosition(TRUE, NULL);
7118 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7120 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7121 Markers *m = (Markers *) closure;
7122 if(rf == fromY && ff == fromX && (killX < 0 && !(rt == rf && ft == ff) || abs(ft-killX) < 2 && abs(rt-killY) < 2))
7123 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7124 || kind == WhiteCapturesEnPassant
7125 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0);
7126 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7130 MarkTargetSquares (int clear)
7133 if(clear) { // no reason to ever suppress clearing
7134 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7135 if(!sum) return; // nothing was cleared,no redraw needed
7138 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7139 !appData.testLegality || gameMode == EditPosition) return;
7140 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7141 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7142 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7144 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7147 DrawPosition(FALSE, NULL);
7151 Explode (Board board, int fromX, int fromY, int toX, int toY)
7153 if(gameInfo.variant == VariantAtomic &&
7154 (board[toY][toX] != EmptySquare || // capture?
7155 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7156 board[fromY][fromX] == BlackPawn )
7158 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7164 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7167 CanPromote (ChessSquare piece, int y)
7169 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7170 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7171 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7172 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7173 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7174 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7175 return (piece == BlackPawn && y == 1 ||
7176 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7177 piece == BlackLance && y == 1 ||
7178 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7182 HoverEvent (int xPix, int yPix, int x, int y)
7184 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7185 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7187 if(dragging == 2) DragPieceMove(xPix, yPix); // [HGM] lion: drag without button for second leg
7188 if(!first.highlight) return;
7189 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7190 if(x == oldX && y == oldY) return; // only do something if we enter new square
7191 oldFromX = fromX; oldFromY = fromY;
7192 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) // record markings after from-change
7193 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7194 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7195 else if(oldX != x || oldY != y) {
7196 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7197 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7198 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7199 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7201 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7202 SendToProgram(buf, &first);
7205 // SetHighlights(fromX, fromY, x, y);
7209 void ReportClick(char *action, int x, int y)
7211 char buf[MSG_SIZ]; // Inform engine of what user does
7213 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7214 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7215 if(!first.highlight || gameMode == EditPosition) return;
7216 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7217 SendToProgram(buf, &first);
7221 LeftClick (ClickType clickType, int xPix, int yPix)
7224 Boolean saveAnimate;
7225 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7226 char promoChoice = NULLCHAR;
7228 static TimeMark lastClickTime, prevClickTime;
7230 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7232 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7234 if (clickType == Press) ErrorPopDown();
7235 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7237 x = EventToSquare(xPix, BOARD_WIDTH);
7238 y = EventToSquare(yPix, BOARD_HEIGHT);
7239 if (!flipView && y >= 0) {
7240 y = BOARD_HEIGHT - 1 - y;
7242 if (flipView && x >= 0) {
7243 x = BOARD_WIDTH - 1 - x;
7246 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7247 defaultPromoChoice = promoSweep;
7248 promoSweep = EmptySquare; // terminate sweep
7249 promoDefaultAltered = TRUE;
7250 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7253 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7254 if(clickType == Release) return; // ignore upclick of click-click destination
7255 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7256 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7257 if(gameInfo.holdingsWidth &&
7258 (WhiteOnMove(currentMove)
7259 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7260 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7261 // click in right holdings, for determining promotion piece
7262 ChessSquare p = boards[currentMove][y][x];
7263 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7264 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7265 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7266 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7271 DrawPosition(FALSE, boards[currentMove]);
7275 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7276 if(clickType == Press
7277 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7278 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7279 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7282 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7283 // could be static click on premove from-square: abort premove
7285 ClearPremoveHighlights();
7288 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7289 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7291 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7292 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7293 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7294 defaultPromoChoice = DefaultPromoChoice(side);
7297 autoQueen = appData.alwaysPromoteToQueen;
7301 gatingPiece = EmptySquare;
7302 if (clickType != Press) {
7303 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7304 DragPieceEnd(xPix, yPix); dragging = 0;
7305 DrawPosition(FALSE, NULL);
7309 doubleClick = FALSE;
7310 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7311 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7313 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7314 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7315 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7316 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7318 if (OKToStartUserMove(fromX, fromY)) {
7320 ReportClick("lift", x, y);
7321 MarkTargetSquares(0);
7322 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7323 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7324 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7325 promoSweep = defaultPromoChoice;
7326 selectFlag = 0; lastX = xPix; lastY = yPix;
7327 Sweep(0); // Pawn that is going to promote: preview promotion piece
7328 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7330 if (appData.highlightDragging) {
7331 SetHighlights(fromX, fromY, -1, -1);
7335 } else fromX = fromY = -1;
7341 if (clickType == Press && gameMode != EditPosition) {
7346 // ignore off-board to clicks
7347 if(y < 0 || x < 0) return;
7349 /* Check if clicking again on the same color piece */
7350 fromP = boards[currentMove][fromY][fromX];
7351 toP = boards[currentMove][y][x];
7352 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7353 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7354 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7355 WhitePawn <= toP && toP <= WhiteKing &&
7356 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7357 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7358 (BlackPawn <= fromP && fromP <= BlackKing &&
7359 BlackPawn <= toP && toP <= BlackKing &&
7360 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7361 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7362 /* Clicked again on same color piece -- changed his mind */
7363 second = (x == fromX && y == fromY);
7365 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7366 second = FALSE; // first double-click rather than scond click
7367 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7369 promoDefaultAltered = FALSE;
7370 MarkTargetSquares(1);
7371 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7372 if (appData.highlightDragging) {
7373 SetHighlights(x, y, -1, -1);
7377 if (OKToStartUserMove(x, y)) {
7378 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7379 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7380 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7381 gatingPiece = boards[currentMove][fromY][fromX];
7382 else gatingPiece = doubleClick ? fromP : EmptySquare;
7384 fromY = y; dragging = 1;
7385 ReportClick("lift", x, y);
7386 MarkTargetSquares(0);
7387 DragPieceBegin(xPix, yPix, FALSE);
7388 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7389 promoSweep = defaultPromoChoice;
7390 selectFlag = 0; lastX = xPix; lastY = yPix;
7391 Sweep(0); // Pawn that is going to promote: preview promotion piece
7395 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7398 // ignore clicks on holdings
7399 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7402 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7403 DragPieceEnd(xPix, yPix); dragging = 0;
7405 // a deferred attempt to click-click move an empty square on top of a piece
7406 boards[currentMove][y][x] = EmptySquare;
7408 DrawPosition(FALSE, boards[currentMove]);
7409 fromX = fromY = -1; clearFlag = 0;
7412 if (appData.animateDragging) {
7413 /* Undo animation damage if any */
7414 DrawPosition(FALSE, NULL);
7416 if (second || sweepSelecting) {
7417 /* Second up/down in same square; just abort move */
7418 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7419 second = sweepSelecting = 0;
7421 gatingPiece = EmptySquare;
7422 MarkTargetSquares(1);
7425 ClearPremoveHighlights();
7427 /* First upclick in same square; start click-click mode */
7428 SetHighlights(x, y, -1, -1);
7435 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] && (x != killX || y != killY) && !sweepSelecting) {
7436 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7437 DisplayMessage(_("only marked squares are legal"),"");
7438 DrawPosition(TRUE, NULL);
7439 return; // ignore to-click
7442 /* we now have a different from- and (possibly off-board) to-square */
7443 /* Completed move */
7444 if(!sweepSelecting) {
7449 saveAnimate = appData.animate;
7450 if (clickType == Press) {
7451 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7452 // must be Edit Position mode with empty-square selected
7453 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7454 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7457 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7461 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7462 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7464 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7465 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7466 if(appData.sweepSelect) {
7467 ChessSquare piece = boards[currentMove][fromY][fromX];
7468 promoSweep = defaultPromoChoice;
7469 if(PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7470 selectFlag = 0; lastX = xPix; lastY = yPix;
7471 Sweep(0); // Pawn that is going to promote: preview promotion piece
7473 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7474 MarkTargetSquares(1);
7476 return; // promo popup appears on up-click
7478 /* Finish clickclick move */
7479 if (appData.animate || appData.highlightLastMove) {
7480 SetHighlights(fromX, fromY, toX, toY);
7484 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7486 if (appData.animate || appData.highlightLastMove) {
7487 SetHighlights(fromX, fromY, toX, toY);
7493 // [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
7494 /* Finish drag move */
7495 if (appData.highlightLastMove) {
7496 SetHighlights(fromX, fromY, toX, toY);
7501 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7502 dragging *= 2; // flag button-less dragging if we are dragging
7503 MarkTargetSquares(1);
7504 if(x == killX && y == killY) killX = killY = -1; else {
7505 killX = x; killY = y; //remeber this square as intermediate
7506 MarkTargetSquares(0);
7507 ReportClick("put", x, y); // and inform engine
7508 ReportClick("lift", x, y);
7512 DragPieceEnd(xPix, yPix); dragging = 0;
7513 /* Don't animate move and drag both */
7514 appData.animate = FALSE;
7517 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7518 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7519 ChessSquare piece = boards[currentMove][fromY][fromX];
7520 if(gameMode == EditPosition && piece != EmptySquare &&
7521 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7524 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7525 n = PieceToNumber(piece - (int)BlackPawn);
7526 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7527 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7528 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7530 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7531 n = PieceToNumber(piece);
7532 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7533 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7534 boards[currentMove][n][BOARD_WIDTH-2]++;
7536 boards[currentMove][fromY][fromX] = EmptySquare;
7540 MarkTargetSquares(1);
7541 DrawPosition(TRUE, boards[currentMove]);
7545 // off-board moves should not be highlighted
7546 if(x < 0 || y < 0) ClearHighlights();
7547 else ReportClick("put", x, y);
7549 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7551 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7552 SetHighlights(fromX, fromY, toX, toY);
7553 MarkTargetSquares(1);
7554 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7555 // [HGM] super: promotion to captured piece selected from holdings
7556 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7557 promotionChoice = TRUE;
7558 // kludge follows to temporarily execute move on display, without promoting yet
7559 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7560 boards[currentMove][toY][toX] = p;
7561 DrawPosition(FALSE, boards[currentMove]);
7562 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7563 boards[currentMove][toY][toX] = q;
7564 DisplayMessage("Click in holdings to choose piece", "");
7569 int oldMove = currentMove;
7570 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7571 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7572 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7573 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7574 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7575 DrawPosition(TRUE, boards[currentMove]);
7576 MarkTargetSquares(1);
7579 appData.animate = saveAnimate;
7580 if (appData.animate || appData.animateDragging) {
7581 /* Undo animation damage if needed */
7582 DrawPosition(FALSE, NULL);
7587 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7588 { // front-end-free part taken out of PieceMenuPopup
7589 int whichMenu; int xSqr, ySqr;
7591 if(seekGraphUp) { // [HGM] seekgraph
7592 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7593 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7597 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7598 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7599 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7600 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7601 if(action == Press) {
7602 originalFlip = flipView;
7603 flipView = !flipView; // temporarily flip board to see game from partners perspective
7604 DrawPosition(TRUE, partnerBoard);
7605 DisplayMessage(partnerStatus, "");
7607 } else if(action == Release) {
7608 flipView = originalFlip;
7609 DrawPosition(TRUE, boards[currentMove]);
7615 xSqr = EventToSquare(x, BOARD_WIDTH);
7616 ySqr = EventToSquare(y, BOARD_HEIGHT);
7617 if (action == Release) {
7618 if(pieceSweep != EmptySquare) {
7619 EditPositionMenuEvent(pieceSweep, toX, toY);
7620 pieceSweep = EmptySquare;
7621 } else UnLoadPV(); // [HGM] pv
7623 if (action != Press) return -2; // return code to be ignored
7626 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7628 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7629 if (xSqr < 0 || ySqr < 0) return -1;
7630 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7631 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7632 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7633 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7637 if(!appData.icsEngineAnalyze) return -1;
7638 case IcsPlayingWhite:
7639 case IcsPlayingBlack:
7640 if(!appData.zippyPlay) goto noZip;
7643 case MachinePlaysWhite:
7644 case MachinePlaysBlack:
7645 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7646 if (!appData.dropMenu) {
7648 return 2; // flag front-end to grab mouse events
7650 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7651 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7654 if (xSqr < 0 || ySqr < 0) return -1;
7655 if (!appData.dropMenu || appData.testLegality &&
7656 gameInfo.variant != VariantBughouse &&
7657 gameInfo.variant != VariantCrazyhouse) return -1;
7658 whichMenu = 1; // drop menu
7664 if (((*fromX = xSqr) < 0) ||
7665 ((*fromY = ySqr) < 0)) {
7666 *fromX = *fromY = -1;
7670 *fromX = BOARD_WIDTH - 1 - *fromX;
7672 *fromY = BOARD_HEIGHT - 1 - *fromY;
7678 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7680 // char * hint = lastHint;
7681 FrontEndProgramStats stats;
7683 stats.which = cps == &first ? 0 : 1;
7684 stats.depth = cpstats->depth;
7685 stats.nodes = cpstats->nodes;
7686 stats.score = cpstats->score;
7687 stats.time = cpstats->time;
7688 stats.pv = cpstats->movelist;
7689 stats.hint = lastHint;
7690 stats.an_move_index = 0;
7691 stats.an_move_count = 0;
7693 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7694 stats.hint = cpstats->move_name;
7695 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7696 stats.an_move_count = cpstats->nr_moves;
7699 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
7701 SetProgramStats( &stats );
7705 ClearEngineOutputPane (int which)
7707 static FrontEndProgramStats dummyStats;
7708 dummyStats.which = which;
7709 dummyStats.pv = "#";
7710 SetProgramStats( &dummyStats );
7713 #define MAXPLAYERS 500
7716 TourneyStandings (int display)
7718 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7719 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7720 char result, *p, *names[MAXPLAYERS];
7722 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7723 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7724 names[0] = p = strdup(appData.participants);
7725 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7727 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7729 while(result = appData.results[nr]) {
7730 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7731 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7732 wScore = bScore = 0;
7734 case '+': wScore = 2; break;
7735 case '-': bScore = 2; break;
7736 case '=': wScore = bScore = 1; break;
7738 case '*': return strdup("busy"); // tourney not finished
7746 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7747 for(w=0; w<nPlayers; w++) {
7749 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7750 ranking[w] = b; points[w] = bScore; score[b] = -2;
7752 p = malloc(nPlayers*34+1);
7753 for(w=0; w<nPlayers && w<display; w++)
7754 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7760 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7761 { // count all piece types
7763 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7764 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7765 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7768 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7769 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7770 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7771 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7772 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7773 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7778 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7780 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7781 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7783 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7784 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7785 if(myPawns == 2 && nMine == 3) // KPP
7786 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7787 if(myPawns == 1 && nMine == 2) // KP
7788 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7789 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7790 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7791 if(myPawns) return FALSE;
7792 if(pCnt[WhiteRook+side])
7793 return pCnt[BlackRook-side] ||
7794 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7795 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7796 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7797 if(pCnt[WhiteCannon+side]) {
7798 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7799 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7801 if(pCnt[WhiteKnight+side])
7802 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7807 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7809 VariantClass v = gameInfo.variant;
7811 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7812 if(v == VariantShatranj) return TRUE; // always winnable through baring
7813 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7814 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7816 if(v == VariantXiangqi) {
7817 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7819 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7820 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7821 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7822 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7823 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7824 if(stale) // we have at least one last-rank P plus perhaps C
7825 return majors // KPKX
7826 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7828 return pCnt[WhiteFerz+side] // KCAK
7829 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7830 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7831 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7833 } else if(v == VariantKnightmate) {
7834 if(nMine == 1) return FALSE;
7835 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7836 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7837 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7839 if(nMine == 1) return FALSE; // bare King
7840 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
7841 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7842 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7843 // by now we have King + 1 piece (or multiple Bishops on the same color)
7844 if(pCnt[WhiteKnight+side])
7845 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7846 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7847 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7849 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7850 if(pCnt[WhiteAlfil+side])
7851 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7852 if(pCnt[WhiteWazir+side])
7853 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7860 CompareWithRights (Board b1, Board b2)
7863 if(!CompareBoards(b1, b2)) return FALSE;
7864 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7865 /* compare castling rights */
7866 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7867 rights++; /* King lost rights, while rook still had them */
7868 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7869 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7870 rights++; /* but at least one rook lost them */
7872 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7874 if( b1[CASTLING][5] != NoRights ) {
7875 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7882 Adjudicate (ChessProgramState *cps)
7883 { // [HGM] some adjudications useful with buggy engines
7884 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7885 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7886 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7887 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7888 int k, drop, count = 0; static int bare = 1;
7889 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7890 Boolean canAdjudicate = !appData.icsActive;
7892 // most tests only when we understand the game, i.e. legality-checking on
7893 if( appData.testLegality )
7894 { /* [HGM] Some more adjudications for obstinate engines */
7895 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7896 static int moveCount = 6;
7898 char *reason = NULL;
7900 /* Count what is on board. */
7901 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7903 /* Some material-based adjudications that have to be made before stalemate test */
7904 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7905 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7906 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7907 if(canAdjudicate && appData.checkMates) {
7909 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7910 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7911 "Xboard adjudication: King destroyed", GE_XBOARD );
7916 /* Bare King in Shatranj (loses) or Losers (wins) */
7917 if( nrW == 1 || nrB == 1) {
7918 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7919 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7920 if(canAdjudicate && appData.checkMates) {
7922 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7923 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7924 "Xboard adjudication: Bare king", GE_XBOARD );
7928 if( gameInfo.variant == VariantShatranj && --bare < 0)
7930 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7931 if(canAdjudicate && appData.checkMates) {
7932 /* but only adjudicate if adjudication enabled */
7934 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7935 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7936 "Xboard adjudication: Bare king", GE_XBOARD );
7943 // don't wait for engine to announce game end if we can judge ourselves
7944 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7946 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7947 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7948 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7949 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7952 reason = "Xboard adjudication: 3rd check";
7953 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7963 reason = "Xboard adjudication: Stalemate";
7964 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7965 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7966 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7967 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7968 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7969 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7970 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7971 EP_CHECKMATE : EP_WINS);
7972 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7973 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7977 reason = "Xboard adjudication: Checkmate";
7978 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7979 if(gameInfo.variant == VariantShogi) {
7980 if(forwardMostMove > backwardMostMove
7981 && moveList[forwardMostMove-1][1] == '@'
7982 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
7983 reason = "XBoard adjudication: pawn-drop mate";
7984 boards[forwardMostMove][EP_STATUS] = EP_WINS;
7990 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7992 result = GameIsDrawn; break;
7994 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7996 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8000 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8002 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8003 GameEnds( result, reason, GE_XBOARD );
8007 /* Next absolutely insufficient mating material. */
8008 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8009 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8010 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8012 /* always flag draws, for judging claims */
8013 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8015 if(canAdjudicate && appData.materialDraws) {
8016 /* but only adjudicate them if adjudication enabled */
8017 if(engineOpponent) {
8018 SendToProgram("force\n", engineOpponent); // suppress reply
8019 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8021 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8026 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8027 if(gameInfo.variant == VariantXiangqi ?
8028 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8030 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8031 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8032 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8033 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8035 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8036 { /* if the first 3 moves do not show a tactical win, declare draw */
8037 if(engineOpponent) {
8038 SendToProgram("force\n", engineOpponent); // suppress reply
8039 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8041 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8044 } else moveCount = 6;
8047 // Repetition draws and 50-move rule can be applied independently of legality testing
8049 /* Check for rep-draws */
8051 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8052 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8053 for(k = forwardMostMove-2;
8054 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8055 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8056 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8059 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8060 /* compare castling rights */
8061 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8062 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8063 rights++; /* King lost rights, while rook still had them */
8064 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8065 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8066 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8067 rights++; /* but at least one rook lost them */
8069 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8070 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8072 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8073 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8074 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8077 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8078 && appData.drawRepeats > 1) {
8079 /* adjudicate after user-specified nr of repeats */
8080 int result = GameIsDrawn;
8081 char *details = "XBoard adjudication: repetition draw";
8082 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8083 // [HGM] xiangqi: check for forbidden perpetuals
8084 int m, ourPerpetual = 1, hisPerpetual = 1;
8085 for(m=forwardMostMove; m>k; m-=2) {
8086 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8087 ourPerpetual = 0; // the current mover did not always check
8088 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8089 hisPerpetual = 0; // the opponent did not always check
8091 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8092 ourPerpetual, hisPerpetual);
8093 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8094 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8095 details = "Xboard adjudication: perpetual checking";
8097 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8098 break; // (or we would have caught him before). Abort repetition-checking loop.
8100 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8101 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8103 details = "Xboard adjudication: repetition";
8105 } else // it must be XQ
8106 // Now check for perpetual chases
8107 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8108 hisPerpetual = PerpetualChase(k, forwardMostMove);
8109 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8110 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8111 static char resdet[MSG_SIZ];
8112 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8114 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8116 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8117 break; // Abort repetition-checking loop.
8119 // if neither of us is checking or chasing all the time, or both are, it is draw
8121 if(engineOpponent) {
8122 SendToProgram("force\n", engineOpponent); // suppress reply
8123 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8125 GameEnds( result, details, GE_XBOARD );
8128 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8129 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8133 /* Now we test for 50-move draws. Determine ply count */
8134 count = forwardMostMove;
8135 /* look for last irreversble move */
8136 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8138 /* if we hit starting position, add initial plies */
8139 if( count == backwardMostMove )
8140 count -= initialRulePlies;
8141 count = forwardMostMove - count;
8142 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8143 // adjust reversible move counter for checks in Xiangqi
8144 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8145 if(i < backwardMostMove) i = backwardMostMove;
8146 while(i <= forwardMostMove) {
8147 lastCheck = inCheck; // check evasion does not count
8148 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8149 if(inCheck || lastCheck) count--; // check does not count
8154 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8155 /* this is used to judge if draw claims are legal */
8156 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8157 if(engineOpponent) {
8158 SendToProgram("force\n", engineOpponent); // suppress reply
8159 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8161 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8165 /* if draw offer is pending, treat it as a draw claim
8166 * when draw condition present, to allow engines a way to
8167 * claim draws before making their move to avoid a race
8168 * condition occurring after their move
8170 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8172 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8173 p = "Draw claim: 50-move rule";
8174 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8175 p = "Draw claim: 3-fold repetition";
8176 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8177 p = "Draw claim: insufficient mating material";
8178 if( p != NULL && canAdjudicate) {
8179 if(engineOpponent) {
8180 SendToProgram("force\n", engineOpponent); // suppress reply
8181 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8183 GameEnds( GameIsDrawn, p, GE_XBOARD );
8188 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8189 if(engineOpponent) {
8190 SendToProgram("force\n", engineOpponent); // suppress reply
8191 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8193 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8200 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8201 { // [HGM] book: this routine intercepts moves to simulate book replies
8202 char *bookHit = NULL;
8204 //first determine if the incoming move brings opponent into his book
8205 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8206 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8207 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8208 if(bookHit != NULL && !cps->bookSuspend) {
8209 // make sure opponent is not going to reply after receiving move to book position
8210 SendToProgram("force\n", cps);
8211 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8213 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8214 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8215 // now arrange restart after book miss
8217 // after a book hit we never send 'go', and the code after the call to this routine
8218 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8219 char buf[MSG_SIZ], *move = bookHit;
8221 int fromX, fromY, toX, toY;
8225 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8226 &fromX, &fromY, &toX, &toY, &promoChar)) {
8227 (void) CoordsToAlgebraic(boards[forwardMostMove],
8228 PosFlags(forwardMostMove),
8229 fromY, fromX, toY, toX, promoChar, move);
8231 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8235 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8236 SendToProgram(buf, cps);
8237 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8238 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8239 SendToProgram("go\n", cps);
8240 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8241 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8242 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8243 SendToProgram("go\n", cps);
8244 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8246 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8250 LoadError (char *errmess, ChessProgramState *cps)
8251 { // unloads engine and switches back to -ncp mode if it was first
8252 if(cps->initDone) return FALSE;
8253 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8254 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8257 appData.noChessProgram = TRUE;
8258 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8259 gameMode = BeginningOfGame; ModeHighlight();
8262 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8263 DisplayMessage("", ""); // erase waiting message
8264 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8269 ChessProgramState *savedState;
8271 DeferredBookMove (void)
8273 if(savedState->lastPing != savedState->lastPong)
8274 ScheduleDelayedEvent(DeferredBookMove, 10);
8276 HandleMachineMove(savedMessage, savedState);
8279 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8280 static ChessProgramState *stalledEngine;
8281 static char stashedInputMove[MSG_SIZ];
8284 HandleMachineMove (char *message, ChessProgramState *cps)
8286 static char firstLeg[20];
8287 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8288 char realname[MSG_SIZ];
8289 int fromX, fromY, toX, toY;
8293 int machineWhite, oldError;
8296 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8297 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8298 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8299 DisplayError(_("Invalid pairing from pairing engine"), 0);
8302 pairingReceived = 1;
8304 return; // Skim the pairing messages here.
8307 oldError = cps->userError; cps->userError = 0;
8309 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8311 * Kludge to ignore BEL characters
8313 while (*message == '\007') message++;
8316 * [HGM] engine debug message: ignore lines starting with '#' character
8318 if(cps->debug && *message == '#') return;
8321 * Look for book output
8323 if (cps == &first && bookRequested) {
8324 if (message[0] == '\t' || message[0] == ' ') {
8325 /* Part of the book output is here; append it */
8326 strcat(bookOutput, message);
8327 strcat(bookOutput, " \n");
8329 } else if (bookOutput[0] != NULLCHAR) {
8330 /* All of book output has arrived; display it */
8331 char *p = bookOutput;
8332 while (*p != NULLCHAR) {
8333 if (*p == '\t') *p = ' ';
8336 DisplayInformation(bookOutput);
8337 bookRequested = FALSE;
8338 /* Fall through to parse the current output */
8343 * Look for machine move.
8345 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8346 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8348 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8349 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8350 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8351 stalledEngine = cps;
8352 if(appData.ponderNextMove) { // bring opponent out of ponder
8353 if(gameMode == TwoMachinesPlay) {
8354 if(cps->other->pause)
8355 PauseEngine(cps->other);
8357 SendToProgram("easy\n", cps->other);
8364 /* This method is only useful on engines that support ping */
8365 if (cps->lastPing != cps->lastPong) {
8366 if (gameMode == BeginningOfGame) {
8367 /* Extra move from before last new; ignore */
8368 if (appData.debugMode) {
8369 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8372 if (appData.debugMode) {
8373 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8374 cps->which, gameMode);
8377 SendToProgram("undo\n", cps);
8383 case BeginningOfGame:
8384 /* Extra move from before last reset; ignore */
8385 if (appData.debugMode) {
8386 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8393 /* Extra move after we tried to stop. The mode test is
8394 not a reliable way of detecting this problem, but it's
8395 the best we can do on engines that don't support ping.
8397 if (appData.debugMode) {
8398 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8399 cps->which, gameMode);
8401 SendToProgram("undo\n", cps);
8404 case MachinePlaysWhite:
8405 case IcsPlayingWhite:
8406 machineWhite = TRUE;
8409 case MachinePlaysBlack:
8410 case IcsPlayingBlack:
8411 machineWhite = FALSE;
8414 case TwoMachinesPlay:
8415 machineWhite = (cps->twoMachinesColor[0] == 'w');
8418 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8419 if (appData.debugMode) {
8421 "Ignoring move out of turn by %s, gameMode %d"
8422 ", forwardMost %d\n",
8423 cps->which, gameMode, forwardMostMove);
8428 if(cps->alphaRank) AlphaRank(machineMove, 4);
8430 // [HGM] lion: (some very limited) support for Alien protocol
8432 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8433 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8435 } else if(firstLeg[0]) { // there was a previous leg;
8436 // only support case where same piece makes two step (and don't even test that!)
8437 char buf[20], *p = machineMove+1, *q = buf+1, f;
8438 safeStrCpy(buf, machineMove, 20);
8439 while(isdigit(*q)) q++; // find start of to-square
8440 safeStrCpy(machineMove, firstLeg, 20);
8441 while(isdigit(*p)) p++;
8442 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8443 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8444 firstLeg[0] = NULLCHAR;
8447 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8448 &fromX, &fromY, &toX, &toY, &promoChar)) {
8449 /* Machine move could not be parsed; ignore it. */
8450 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8451 machineMove, _(cps->which));
8452 DisplayMoveError(buf1);
8453 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8454 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8455 if (gameMode == TwoMachinesPlay) {
8456 GameEnds(machineWhite ? BlackWins : WhiteWins,
8462 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8463 /* So we have to redo legality test with true e.p. status here, */
8464 /* to make sure an illegal e.p. capture does not slip through, */
8465 /* to cause a forfeit on a justified illegal-move complaint */
8466 /* of the opponent. */
8467 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8469 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8470 fromY, fromX, toY, toX, promoChar);
8471 if(moveType == IllegalMove) {
8472 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8473 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8474 GameEnds(machineWhite ? BlackWins : WhiteWins,
8477 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8478 /* [HGM] Kludge to handle engines that send FRC-style castling
8479 when they shouldn't (like TSCP-Gothic) */
8481 case WhiteASideCastleFR:
8482 case BlackASideCastleFR:
8484 currentMoveString[2]++;
8486 case WhiteHSideCastleFR:
8487 case BlackHSideCastleFR:
8489 currentMoveString[2]--;
8491 default: ; // nothing to do, but suppresses warning of pedantic compilers
8494 hintRequested = FALSE;
8495 lastHint[0] = NULLCHAR;
8496 bookRequested = FALSE;
8497 /* Program may be pondering now */
8498 cps->maybeThinking = TRUE;
8499 if (cps->sendTime == 2) cps->sendTime = 1;
8500 if (cps->offeredDraw) cps->offeredDraw--;
8502 /* [AS] Save move info*/
8503 pvInfoList[ forwardMostMove ].score = programStats.score;
8504 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8505 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8507 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8509 /* Test suites abort the 'game' after one move */
8510 if(*appData.finger) {
8512 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8513 if(!f) f = fopen(appData.finger, "w");
8514 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8515 else { DisplayFatalError("Bad output file", errno, 0); return; }
8517 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8520 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8521 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8524 while( count < adjudicateLossPlies ) {
8525 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8528 score = -score; /* Flip score for winning side */
8531 if( score > adjudicateLossThreshold ) {
8538 if( count >= adjudicateLossPlies ) {
8539 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8541 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8542 "Xboard adjudication",
8549 if(Adjudicate(cps)) {
8550 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8551 return; // [HGM] adjudicate: for all automatic game ends
8555 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8557 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8558 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8560 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8562 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8564 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8565 char buf[3*MSG_SIZ];
8567 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8568 programStats.score / 100.,
8570 programStats.time / 100.,
8571 (unsigned int)programStats.nodes,
8572 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8573 programStats.movelist);
8575 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8580 /* [AS] Clear stats for next move */
8581 ClearProgramStats();
8582 thinkOutput[0] = NULLCHAR;
8583 hiddenThinkOutputState = 0;
8586 if (gameMode == TwoMachinesPlay) {
8587 /* [HGM] relaying draw offers moved to after reception of move */
8588 /* and interpreting offer as claim if it brings draw condition */
8589 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8590 SendToProgram("draw\n", cps->other);
8592 if (cps->other->sendTime) {
8593 SendTimeRemaining(cps->other,
8594 cps->other->twoMachinesColor[0] == 'w');
8596 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8597 if (firstMove && !bookHit) {
8599 if (cps->other->useColors) {
8600 SendToProgram(cps->other->twoMachinesColor, cps->other);
8602 SendToProgram("go\n", cps->other);
8604 cps->other->maybeThinking = TRUE;
8607 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8609 if (!pausing && appData.ringBellAfterMoves) {
8614 * Reenable menu items that were disabled while
8615 * machine was thinking
8617 if (gameMode != TwoMachinesPlay)
8618 SetUserThinkingEnables();
8620 // [HGM] book: after book hit opponent has received move and is now in force mode
8621 // force the book reply into it, and then fake that it outputted this move by jumping
8622 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8624 static char bookMove[MSG_SIZ]; // a bit generous?
8626 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8627 strcat(bookMove, bookHit);
8630 programStats.nodes = programStats.depth = programStats.time =
8631 programStats.score = programStats.got_only_move = 0;
8632 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8634 if(cps->lastPing != cps->lastPong) {
8635 savedMessage = message; // args for deferred call
8637 ScheduleDelayedEvent(DeferredBookMove, 10);
8646 /* Set special modes for chess engines. Later something general
8647 * could be added here; for now there is just one kludge feature,
8648 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8649 * when "xboard" is given as an interactive command.
8651 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8652 cps->useSigint = FALSE;
8653 cps->useSigterm = FALSE;
8655 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8656 ParseFeatures(message+8, cps);
8657 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8660 if (!strncmp(message, "setup ", 6) &&
8661 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown || NonStandardBoardSize())
8662 ) { // [HGM] allow first engine to define opening position
8663 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8664 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8666 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8667 if(startedFromSetupPosition) return;
8668 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8670 while(message[s] && message[s++] != ' ');
8671 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8672 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8673 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8674 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8675 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8676 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8679 ParseFEN(boards[0], &dummy, message+s, FALSE);
8680 DrawPosition(TRUE, boards[0]);
8681 startedFromSetupPosition = TRUE;
8684 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8685 * want this, I was asked to put it in, and obliged.
8687 if (!strncmp(message, "setboard ", 9)) {
8688 Board initial_position;
8690 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8692 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8693 DisplayError(_("Bad FEN received from engine"), 0);
8697 CopyBoard(boards[0], initial_position);
8698 initialRulePlies = FENrulePlies;
8699 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8700 else gameMode = MachinePlaysBlack;
8701 DrawPosition(FALSE, boards[currentMove]);
8707 * Look for communication commands
8709 if (!strncmp(message, "telluser ", 9)) {
8710 if(message[9] == '\\' && message[10] == '\\')
8711 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8713 DisplayNote(message + 9);
8716 if (!strncmp(message, "tellusererror ", 14)) {
8718 if(message[14] == '\\' && message[15] == '\\')
8719 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8721 DisplayError(message + 14, 0);
8724 if (!strncmp(message, "tellopponent ", 13)) {
8725 if (appData.icsActive) {
8727 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8731 DisplayNote(message + 13);
8735 if (!strncmp(message, "tellothers ", 11)) {
8736 if (appData.icsActive) {
8738 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8741 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8744 if (!strncmp(message, "tellall ", 8)) {
8745 if (appData.icsActive) {
8747 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8751 DisplayNote(message + 8);
8755 if (strncmp(message, "warning", 7) == 0) {
8756 /* Undocumented feature, use tellusererror in new code */
8757 DisplayError(message, 0);
8760 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8761 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8762 strcat(realname, " query");
8763 AskQuestion(realname, buf2, buf1, cps->pr);
8766 /* Commands from the engine directly to ICS. We don't allow these to be
8767 * sent until we are logged on. Crafty kibitzes have been known to
8768 * interfere with the login process.
8771 if (!strncmp(message, "tellics ", 8)) {
8772 SendToICS(message + 8);
8776 if (!strncmp(message, "tellicsnoalias ", 15)) {
8777 SendToICS(ics_prefix);
8778 SendToICS(message + 15);
8782 /* The following are for backward compatibility only */
8783 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8784 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8785 SendToICS(ics_prefix);
8791 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8794 if(!strncmp(message, "highlight ", 10)) {
8795 if(appData.testLegality && appData.markers) return;
8796 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
8799 if(!strncmp(message, "click ", 6)) {
8800 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
8801 if(appData.testLegality || !appData.oneClick) return;
8802 sscanf(message+6, "%c%d%c", &f, &y, &c);
8803 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
8804 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
8805 x = x*squareSize + (x+1)*lineGap + squareSize/2;
8806 y = y*squareSize + (y+1)*lineGap + squareSize/2;
8807 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
8808 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
8809 LeftClick(Release, lastLeftX, lastLeftY);
8810 controlKey = (c == ',');
8811 LeftClick(Press, x, y);
8812 LeftClick(Release, x, y);
8813 first.highlight = f;
8817 * If the move is illegal, cancel it and redraw the board.
8818 * Also deal with other error cases. Matching is rather loose
8819 * here to accommodate engines written before the spec.
8821 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8822 strncmp(message, "Error", 5) == 0) {
8823 if (StrStr(message, "name") ||
8824 StrStr(message, "rating") || StrStr(message, "?") ||
8825 StrStr(message, "result") || StrStr(message, "board") ||
8826 StrStr(message, "bk") || StrStr(message, "computer") ||
8827 StrStr(message, "variant") || StrStr(message, "hint") ||
8828 StrStr(message, "random") || StrStr(message, "depth") ||
8829 StrStr(message, "accepted")) {
8832 if (StrStr(message, "protover")) {
8833 /* Program is responding to input, so it's apparently done
8834 initializing, and this error message indicates it is
8835 protocol version 1. So we don't need to wait any longer
8836 for it to initialize and send feature commands. */
8837 FeatureDone(cps, 1);
8838 cps->protocolVersion = 1;
8841 cps->maybeThinking = FALSE;
8843 if (StrStr(message, "draw")) {
8844 /* Program doesn't have "draw" command */
8845 cps->sendDrawOffers = 0;
8848 if (cps->sendTime != 1 &&
8849 (StrStr(message, "time") || StrStr(message, "otim"))) {
8850 /* Program apparently doesn't have "time" or "otim" command */
8854 if (StrStr(message, "analyze")) {
8855 cps->analysisSupport = FALSE;
8856 cps->analyzing = FALSE;
8857 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8858 EditGameEvent(); // [HGM] try to preserve loaded game
8859 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8860 DisplayError(buf2, 0);
8863 if (StrStr(message, "(no matching move)st")) {
8864 /* Special kludge for GNU Chess 4 only */
8865 cps->stKludge = TRUE;
8866 SendTimeControl(cps, movesPerSession, timeControl,
8867 timeIncrement, appData.searchDepth,
8871 if (StrStr(message, "(no matching move)sd")) {
8872 /* Special kludge for GNU Chess 4 only */
8873 cps->sdKludge = TRUE;
8874 SendTimeControl(cps, movesPerSession, timeControl,
8875 timeIncrement, appData.searchDepth,
8879 if (!StrStr(message, "llegal")) {
8882 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8883 gameMode == IcsIdle) return;
8884 if (forwardMostMove <= backwardMostMove) return;
8885 if (pausing) PauseEvent();
8886 if(appData.forceIllegal) {
8887 // [HGM] illegal: machine refused move; force position after move into it
8888 SendToProgram("force\n", cps);
8889 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8890 // we have a real problem now, as SendBoard will use the a2a3 kludge
8891 // when black is to move, while there might be nothing on a2 or black
8892 // might already have the move. So send the board as if white has the move.
8893 // But first we must change the stm of the engine, as it refused the last move
8894 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8895 if(WhiteOnMove(forwardMostMove)) {
8896 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8897 SendBoard(cps, forwardMostMove); // kludgeless board
8899 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8900 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8901 SendBoard(cps, forwardMostMove+1); // kludgeless board
8903 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8904 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8905 gameMode == TwoMachinesPlay)
8906 SendToProgram("go\n", cps);
8909 if (gameMode == PlayFromGameFile) {
8910 /* Stop reading this game file */
8911 gameMode = EditGame;
8914 /* [HGM] illegal-move claim should forfeit game when Xboard */
8915 /* only passes fully legal moves */
8916 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8917 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8918 "False illegal-move claim", GE_XBOARD );
8919 return; // do not take back move we tested as valid
8921 currentMove = forwardMostMove-1;
8922 DisplayMove(currentMove-1); /* before DisplayMoveError */
8923 SwitchClocks(forwardMostMove-1); // [HGM] race
8924 DisplayBothClocks();
8925 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8926 parseList[currentMove], _(cps->which));
8927 DisplayMoveError(buf1);
8928 DrawPosition(FALSE, boards[currentMove]);
8930 SetUserThinkingEnables();
8933 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8934 /* Program has a broken "time" command that
8935 outputs a string not ending in newline.
8941 * If chess program startup fails, exit with an error message.
8942 * Attempts to recover here are futile. [HGM] Well, we try anyway
8944 if ((StrStr(message, "unknown host") != NULL)
8945 || (StrStr(message, "No remote directory") != NULL)
8946 || (StrStr(message, "not found") != NULL)
8947 || (StrStr(message, "No such file") != NULL)
8948 || (StrStr(message, "can't alloc") != NULL)
8949 || (StrStr(message, "Permission denied") != NULL)) {
8951 cps->maybeThinking = FALSE;
8952 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8953 _(cps->which), cps->program, cps->host, message);
8954 RemoveInputSource(cps->isr);
8955 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8956 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8957 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8963 * Look for hint output
8965 if (sscanf(message, "Hint: %s", buf1) == 1) {
8966 if (cps == &first && hintRequested) {
8967 hintRequested = FALSE;
8968 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8969 &fromX, &fromY, &toX, &toY, &promoChar)) {
8970 (void) CoordsToAlgebraic(boards[forwardMostMove],
8971 PosFlags(forwardMostMove),
8972 fromY, fromX, toY, toX, promoChar, buf1);
8973 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8974 DisplayInformation(buf2);
8976 /* Hint move could not be parsed!? */
8977 snprintf(buf2, sizeof(buf2),
8978 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8979 buf1, _(cps->which));
8980 DisplayError(buf2, 0);
8983 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8989 * Ignore other messages if game is not in progress
8991 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8992 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8995 * look for win, lose, draw, or draw offer
8997 if (strncmp(message, "1-0", 3) == 0) {
8998 char *p, *q, *r = "";
8999 p = strchr(message, '{');
9007 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9009 } else if (strncmp(message, "0-1", 3) == 0) {
9010 char *p, *q, *r = "";
9011 p = strchr(message, '{');
9019 /* Kludge for Arasan 4.1 bug */
9020 if (strcmp(r, "Black resigns") == 0) {
9021 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9024 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9026 } else if (strncmp(message, "1/2", 3) == 0) {
9027 char *p, *q, *r = "";
9028 p = strchr(message, '{');
9037 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9040 } else if (strncmp(message, "White resign", 12) == 0) {
9041 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9043 } else if (strncmp(message, "Black resign", 12) == 0) {
9044 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9046 } else if (strncmp(message, "White matches", 13) == 0 ||
9047 strncmp(message, "Black matches", 13) == 0 ) {
9048 /* [HGM] ignore GNUShogi noises */
9050 } else if (strncmp(message, "White", 5) == 0 &&
9051 message[5] != '(' &&
9052 StrStr(message, "Black") == NULL) {
9053 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9055 } else if (strncmp(message, "Black", 5) == 0 &&
9056 message[5] != '(') {
9057 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9059 } else if (strcmp(message, "resign") == 0 ||
9060 strcmp(message, "computer resigns") == 0) {
9062 case MachinePlaysBlack:
9063 case IcsPlayingBlack:
9064 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9066 case MachinePlaysWhite:
9067 case IcsPlayingWhite:
9068 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9070 case TwoMachinesPlay:
9071 if (cps->twoMachinesColor[0] == 'w')
9072 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9074 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9081 } else if (strncmp(message, "opponent mates", 14) == 0) {
9083 case MachinePlaysBlack:
9084 case IcsPlayingBlack:
9085 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9087 case MachinePlaysWhite:
9088 case IcsPlayingWhite:
9089 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9091 case TwoMachinesPlay:
9092 if (cps->twoMachinesColor[0] == 'w')
9093 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9095 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9102 } else if (strncmp(message, "computer mates", 14) == 0) {
9104 case MachinePlaysBlack:
9105 case IcsPlayingBlack:
9106 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9108 case MachinePlaysWhite:
9109 case IcsPlayingWhite:
9110 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9112 case TwoMachinesPlay:
9113 if (cps->twoMachinesColor[0] == 'w')
9114 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9116 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9123 } else if (strncmp(message, "checkmate", 9) == 0) {
9124 if (WhiteOnMove(forwardMostMove)) {
9125 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9127 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9130 } else if (strstr(message, "Draw") != NULL ||
9131 strstr(message, "game is a draw") != NULL) {
9132 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9134 } else if (strstr(message, "offer") != NULL &&
9135 strstr(message, "draw") != NULL) {
9137 if (appData.zippyPlay && first.initDone) {
9138 /* Relay offer to ICS */
9139 SendToICS(ics_prefix);
9140 SendToICS("draw\n");
9143 cps->offeredDraw = 2; /* valid until this engine moves twice */
9144 if (gameMode == TwoMachinesPlay) {
9145 if (cps->other->offeredDraw) {
9146 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9147 /* [HGM] in two-machine mode we delay relaying draw offer */
9148 /* until after we also have move, to see if it is really claim */
9150 } else if (gameMode == MachinePlaysWhite ||
9151 gameMode == MachinePlaysBlack) {
9152 if (userOfferedDraw) {
9153 DisplayInformation(_("Machine accepts your draw offer"));
9154 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9156 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9163 * Look for thinking output
9165 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9166 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9168 int plylev, mvleft, mvtot, curscore, time;
9169 char mvname[MOVE_LEN];
9173 int prefixHint = FALSE;
9174 mvname[0] = NULLCHAR;
9177 case MachinePlaysBlack:
9178 case IcsPlayingBlack:
9179 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9181 case MachinePlaysWhite:
9182 case IcsPlayingWhite:
9183 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9188 case IcsObserving: /* [DM] icsEngineAnalyze */
9189 if (!appData.icsEngineAnalyze) ignore = TRUE;
9191 case TwoMachinesPlay:
9192 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9202 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9204 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9205 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9207 if (plyext != ' ' && plyext != '\t') {
9211 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9212 if( cps->scoreIsAbsolute &&
9213 ( gameMode == MachinePlaysBlack ||
9214 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9215 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9216 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9217 !WhiteOnMove(currentMove)
9220 curscore = -curscore;
9223 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9225 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9228 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9229 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9230 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9231 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9232 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9233 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9237 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9238 DisplayError(_("failed writing PV"), 0);
9241 tempStats.depth = plylev;
9242 tempStats.nodes = nodes;
9243 tempStats.time = time;
9244 tempStats.score = curscore;
9245 tempStats.got_only_move = 0;
9247 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9250 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9251 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9252 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9253 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9254 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9255 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9256 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9257 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9260 /* Buffer overflow protection */
9261 if (pv[0] != NULLCHAR) {
9262 if (strlen(pv) >= sizeof(tempStats.movelist)
9263 && appData.debugMode) {
9265 "PV is too long; using the first %u bytes.\n",
9266 (unsigned) sizeof(tempStats.movelist) - 1);
9269 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9271 sprintf(tempStats.movelist, " no PV\n");
9274 if (tempStats.seen_stat) {
9275 tempStats.ok_to_send = 1;
9278 if (strchr(tempStats.movelist, '(') != NULL) {
9279 tempStats.line_is_book = 1;
9280 tempStats.nr_moves = 0;
9281 tempStats.moves_left = 0;
9283 tempStats.line_is_book = 0;
9286 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9287 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9289 SendProgramStatsToFrontend( cps, &tempStats );
9292 [AS] Protect the thinkOutput buffer from overflow... this
9293 is only useful if buf1 hasn't overflowed first!
9295 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9297 (gameMode == TwoMachinesPlay ?
9298 ToUpper(cps->twoMachinesColor[0]) : ' '),
9299 ((double) curscore) / 100.0,
9300 prefixHint ? lastHint : "",
9301 prefixHint ? " " : "" );
9303 if( buf1[0] != NULLCHAR ) {
9304 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9306 if( strlen(pv) > max_len ) {
9307 if( appData.debugMode) {
9308 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9310 pv[max_len+1] = '\0';
9313 strcat( thinkOutput, pv);
9316 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9317 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9318 DisplayMove(currentMove - 1);
9322 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9323 /* crafty (9.25+) says "(only move) <move>"
9324 * if there is only 1 legal move
9326 sscanf(p, "(only move) %s", buf1);
9327 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9328 sprintf(programStats.movelist, "%s (only move)", buf1);
9329 programStats.depth = 1;
9330 programStats.nr_moves = 1;
9331 programStats.moves_left = 1;
9332 programStats.nodes = 1;
9333 programStats.time = 1;
9334 programStats.got_only_move = 1;
9336 /* Not really, but we also use this member to
9337 mean "line isn't going to change" (Crafty
9338 isn't searching, so stats won't change) */
9339 programStats.line_is_book = 1;
9341 SendProgramStatsToFrontend( cps, &programStats );
9343 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9344 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9345 DisplayMove(currentMove - 1);
9348 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9349 &time, &nodes, &plylev, &mvleft,
9350 &mvtot, mvname) >= 5) {
9351 /* The stat01: line is from Crafty (9.29+) in response
9352 to the "." command */
9353 programStats.seen_stat = 1;
9354 cps->maybeThinking = TRUE;
9356 if (programStats.got_only_move || !appData.periodicUpdates)
9359 programStats.depth = plylev;
9360 programStats.time = time;
9361 programStats.nodes = nodes;
9362 programStats.moves_left = mvleft;
9363 programStats.nr_moves = mvtot;
9364 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9365 programStats.ok_to_send = 1;
9366 programStats.movelist[0] = '\0';
9368 SendProgramStatsToFrontend( cps, &programStats );
9372 } else if (strncmp(message,"++",2) == 0) {
9373 /* Crafty 9.29+ outputs this */
9374 programStats.got_fail = 2;
9377 } else if (strncmp(message,"--",2) == 0) {
9378 /* Crafty 9.29+ outputs this */
9379 programStats.got_fail = 1;
9382 } else if (thinkOutput[0] != NULLCHAR &&
9383 strncmp(message, " ", 4) == 0) {
9384 unsigned message_len;
9387 while (*p && *p == ' ') p++;
9389 message_len = strlen( p );
9391 /* [AS] Avoid buffer overflow */
9392 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9393 strcat(thinkOutput, " ");
9394 strcat(thinkOutput, p);
9397 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9398 strcat(programStats.movelist, " ");
9399 strcat(programStats.movelist, p);
9402 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9403 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9404 DisplayMove(currentMove - 1);
9412 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9413 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9415 ChessProgramStats cpstats;
9417 if (plyext != ' ' && plyext != '\t') {
9421 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9422 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9423 curscore = -curscore;
9426 cpstats.depth = plylev;
9427 cpstats.nodes = nodes;
9428 cpstats.time = time;
9429 cpstats.score = curscore;
9430 cpstats.got_only_move = 0;
9431 cpstats.movelist[0] = '\0';
9433 if (buf1[0] != NULLCHAR) {
9434 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9437 cpstats.ok_to_send = 0;
9438 cpstats.line_is_book = 0;
9439 cpstats.nr_moves = 0;
9440 cpstats.moves_left = 0;
9442 SendProgramStatsToFrontend( cps, &cpstats );
9449 /* Parse a game score from the character string "game", and
9450 record it as the history of the current game. The game
9451 score is NOT assumed to start from the standard position.
9452 The display is not updated in any way.
9455 ParseGameHistory (char *game)
9458 int fromX, fromY, toX, toY, boardIndex;
9463 if (appData.debugMode)
9464 fprintf(debugFP, "Parsing game history: %s\n", game);
9466 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9467 gameInfo.site = StrSave(appData.icsHost);
9468 gameInfo.date = PGNDate();
9469 gameInfo.round = StrSave("-");
9471 /* Parse out names of players */
9472 while (*game == ' ') game++;
9474 while (*game != ' ') *p++ = *game++;
9476 gameInfo.white = StrSave(buf);
9477 while (*game == ' ') game++;
9479 while (*game != ' ' && *game != '\n') *p++ = *game++;
9481 gameInfo.black = StrSave(buf);
9484 boardIndex = blackPlaysFirst ? 1 : 0;
9487 yyboardindex = boardIndex;
9488 moveType = (ChessMove) Myylex();
9490 case IllegalMove: /* maybe suicide chess, etc. */
9491 if (appData.debugMode) {
9492 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9493 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9494 setbuf(debugFP, NULL);
9496 case WhitePromotion:
9497 case BlackPromotion:
9498 case WhiteNonPromotion:
9499 case BlackNonPromotion:
9502 case WhiteCapturesEnPassant:
9503 case BlackCapturesEnPassant:
9504 case WhiteKingSideCastle:
9505 case WhiteQueenSideCastle:
9506 case BlackKingSideCastle:
9507 case BlackQueenSideCastle:
9508 case WhiteKingSideCastleWild:
9509 case WhiteQueenSideCastleWild:
9510 case BlackKingSideCastleWild:
9511 case BlackQueenSideCastleWild:
9513 case WhiteHSideCastleFR:
9514 case WhiteASideCastleFR:
9515 case BlackHSideCastleFR:
9516 case BlackASideCastleFR:
9518 fromX = currentMoveString[0] - AAA;
9519 fromY = currentMoveString[1] - ONE;
9520 toX = currentMoveString[2] - AAA;
9521 toY = currentMoveString[3] - ONE;
9522 promoChar = currentMoveString[4];
9526 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9527 fromX = moveType == WhiteDrop ?
9528 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9529 (int) CharToPiece(ToLower(currentMoveString[0]));
9531 toX = currentMoveString[2] - AAA;
9532 toY = currentMoveString[3] - ONE;
9533 promoChar = NULLCHAR;
9537 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9538 if (appData.debugMode) {
9539 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9540 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9541 setbuf(debugFP, NULL);
9543 DisplayError(buf, 0);
9545 case ImpossibleMove:
9547 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9548 if (appData.debugMode) {
9549 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9550 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9551 setbuf(debugFP, NULL);
9553 DisplayError(buf, 0);
9556 if (boardIndex < backwardMostMove) {
9557 /* Oops, gap. How did that happen? */
9558 DisplayError(_("Gap in move list"), 0);
9561 backwardMostMove = blackPlaysFirst ? 1 : 0;
9562 if (boardIndex > forwardMostMove) {
9563 forwardMostMove = boardIndex;
9567 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9568 strcat(parseList[boardIndex-1], " ");
9569 strcat(parseList[boardIndex-1], yy_text);
9581 case GameUnfinished:
9582 if (gameMode == IcsExamining) {
9583 if (boardIndex < backwardMostMove) {
9584 /* Oops, gap. How did that happen? */
9587 backwardMostMove = blackPlaysFirst ? 1 : 0;
9590 gameInfo.result = moveType;
9591 p = strchr(yy_text, '{');
9592 if (p == NULL) p = strchr(yy_text, '(');
9595 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9597 q = strchr(p, *p == '{' ? '}' : ')');
9598 if (q != NULL) *q = NULLCHAR;
9601 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9602 gameInfo.resultDetails = StrSave(p);
9605 if (boardIndex >= forwardMostMove &&
9606 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9607 backwardMostMove = blackPlaysFirst ? 1 : 0;
9610 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9611 fromY, fromX, toY, toX, promoChar,
9612 parseList[boardIndex]);
9613 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9614 /* currentMoveString is set as a side-effect of yylex */
9615 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9616 strcat(moveList[boardIndex], "\n");
9618 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9619 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9625 if(gameInfo.variant != VariantShogi)
9626 strcat(parseList[boardIndex - 1], "+");
9630 strcat(parseList[boardIndex - 1], "#");
9637 /* Apply a move to the given board */
9639 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9641 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9642 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9644 /* [HGM] compute & store e.p. status and castling rights for new position */
9645 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9647 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9648 oldEP = (signed char)board[EP_STATUS];
9649 board[EP_STATUS] = EP_NONE;
9651 if (fromY == DROP_RANK) {
9653 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9654 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9657 piece = board[toY][toX] = (ChessSquare) fromX;
9662 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9663 victim = board[killY][killX],
9664 board[killY][killX] = EmptySquare,
9665 board[EP_STATUS] = EP_CAPTURE;
9667 if( board[toY][toX] != EmptySquare ) {
9668 board[EP_STATUS] = EP_CAPTURE;
9669 if( (fromX != toX || fromY != toY) && // not igui!
9670 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9671 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9672 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9676 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9677 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9678 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9680 if( board[fromY][fromX] == WhitePawn ) {
9681 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9682 board[EP_STATUS] = EP_PAWN_MOVE;
9684 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9685 gameInfo.variant != VariantBerolina || toX < fromX)
9686 board[EP_STATUS] = toX | berolina;
9687 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9688 gameInfo.variant != VariantBerolina || toX > fromX)
9689 board[EP_STATUS] = toX;
9692 if( board[fromY][fromX] == BlackPawn ) {
9693 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9694 board[EP_STATUS] = EP_PAWN_MOVE;
9695 if( toY-fromY== -2) {
9696 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9697 gameInfo.variant != VariantBerolina || toX < fromX)
9698 board[EP_STATUS] = toX | berolina;
9699 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9700 gameInfo.variant != VariantBerolina || toX > fromX)
9701 board[EP_STATUS] = toX;
9705 for(i=0; i<nrCastlingRights; i++) {
9706 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9707 board[CASTLING][i] == toX && castlingRank[i] == toY
9708 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9711 if(gameInfo.variant == VariantSChess) { // update virginity
9712 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9713 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9714 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9715 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9718 if (fromX == toX && fromY == toY) return;
9720 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9721 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9722 if(gameInfo.variant == VariantKnightmate)
9723 king += (int) WhiteUnicorn - (int) WhiteKing;
9725 /* Code added by Tord: */
9726 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9727 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9728 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9729 board[fromY][fromX] = EmptySquare;
9730 board[toY][toX] = EmptySquare;
9731 if((toX > fromX) != (piece == WhiteRook)) {
9732 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9734 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9736 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9737 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9738 board[fromY][fromX] = EmptySquare;
9739 board[toY][toX] = EmptySquare;
9740 if((toX > fromX) != (piece == BlackRook)) {
9741 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9743 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9745 /* End of code added by Tord */
9747 } else if (board[fromY][fromX] == king
9748 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9749 && toY == fromY && toX > fromX+1) {
9750 board[fromY][fromX] = EmptySquare;
9751 board[toY][toX] = king;
9752 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9753 board[fromY][BOARD_RGHT-1] = EmptySquare;
9754 } else if (board[fromY][fromX] == king
9755 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9756 && toY == fromY && toX < fromX-1) {
9757 board[fromY][fromX] = EmptySquare;
9758 board[toY][toX] = king;
9759 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9760 board[fromY][BOARD_LEFT] = EmptySquare;
9761 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9762 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9763 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9765 /* white pawn promotion */
9766 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9767 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9768 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9769 board[fromY][fromX] = EmptySquare;
9770 } else if ((fromY >= BOARD_HEIGHT>>1)
9771 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9773 && gameInfo.variant != VariantXiangqi
9774 && gameInfo.variant != VariantBerolina
9775 && (board[fromY][fromX] == WhitePawn)
9776 && (board[toY][toX] == EmptySquare)) {
9777 board[fromY][fromX] = EmptySquare;
9778 board[toY][toX] = WhitePawn;
9779 captured = board[toY - 1][toX];
9780 board[toY - 1][toX] = EmptySquare;
9781 } else if ((fromY == BOARD_HEIGHT-4)
9783 && gameInfo.variant == VariantBerolina
9784 && (board[fromY][fromX] == WhitePawn)
9785 && (board[toY][toX] == EmptySquare)) {
9786 board[fromY][fromX] = EmptySquare;
9787 board[toY][toX] = WhitePawn;
9788 if(oldEP & EP_BEROLIN_A) {
9789 captured = board[fromY][fromX-1];
9790 board[fromY][fromX-1] = EmptySquare;
9791 }else{ captured = board[fromY][fromX+1];
9792 board[fromY][fromX+1] = EmptySquare;
9794 } else if (board[fromY][fromX] == king
9795 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9796 && toY == fromY && toX > fromX+1) {
9797 board[fromY][fromX] = EmptySquare;
9798 board[toY][toX] = king;
9799 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9800 board[fromY][BOARD_RGHT-1] = EmptySquare;
9801 } else if (board[fromY][fromX] == king
9802 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9803 && toY == fromY && toX < fromX-1) {
9804 board[fromY][fromX] = EmptySquare;
9805 board[toY][toX] = king;
9806 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9807 board[fromY][BOARD_LEFT] = EmptySquare;
9808 } else if (fromY == 7 && fromX == 3
9809 && board[fromY][fromX] == BlackKing
9810 && toY == 7 && toX == 5) {
9811 board[fromY][fromX] = EmptySquare;
9812 board[toY][toX] = BlackKing;
9813 board[fromY][7] = EmptySquare;
9814 board[toY][4] = BlackRook;
9815 } else if (fromY == 7 && fromX == 3
9816 && board[fromY][fromX] == BlackKing
9817 && toY == 7 && toX == 1) {
9818 board[fromY][fromX] = EmptySquare;
9819 board[toY][toX] = BlackKing;
9820 board[fromY][0] = EmptySquare;
9821 board[toY][2] = BlackRook;
9822 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9823 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9824 && toY < promoRank && promoChar
9826 /* black pawn promotion */
9827 board[toY][toX] = CharToPiece(ToLower(promoChar));
9828 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9829 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9830 board[fromY][fromX] = EmptySquare;
9831 } else if ((fromY < BOARD_HEIGHT>>1)
9832 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9834 && gameInfo.variant != VariantXiangqi
9835 && gameInfo.variant != VariantBerolina
9836 && (board[fromY][fromX] == BlackPawn)
9837 && (board[toY][toX] == EmptySquare)) {
9838 board[fromY][fromX] = EmptySquare;
9839 board[toY][toX] = BlackPawn;
9840 captured = board[toY + 1][toX];
9841 board[toY + 1][toX] = EmptySquare;
9842 } else if ((fromY == 3)
9844 && gameInfo.variant == VariantBerolina
9845 && (board[fromY][fromX] == BlackPawn)
9846 && (board[toY][toX] == EmptySquare)) {
9847 board[fromY][fromX] = EmptySquare;
9848 board[toY][toX] = BlackPawn;
9849 if(oldEP & EP_BEROLIN_A) {
9850 captured = board[fromY][fromX-1];
9851 board[fromY][fromX-1] = EmptySquare;
9852 }else{ captured = board[fromY][fromX+1];
9853 board[fromY][fromX+1] = EmptySquare;
9856 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
9857 board[fromY][fromX] = EmptySquare;
9858 board[toY][toX] = piece;
9862 if (gameInfo.holdingsWidth != 0) {
9864 /* !!A lot more code needs to be written to support holdings */
9865 /* [HGM] OK, so I have written it. Holdings are stored in the */
9866 /* penultimate board files, so they are automaticlly stored */
9867 /* in the game history. */
9868 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9869 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9870 /* Delete from holdings, by decreasing count */
9871 /* and erasing image if necessary */
9872 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9873 if(p < (int) BlackPawn) { /* white drop */
9874 p -= (int)WhitePawn;
9875 p = PieceToNumber((ChessSquare)p);
9876 if(p >= gameInfo.holdingsSize) p = 0;
9877 if(--board[p][BOARD_WIDTH-2] <= 0)
9878 board[p][BOARD_WIDTH-1] = EmptySquare;
9879 if((int)board[p][BOARD_WIDTH-2] < 0)
9880 board[p][BOARD_WIDTH-2] = 0;
9881 } else { /* black drop */
9882 p -= (int)BlackPawn;
9883 p = PieceToNumber((ChessSquare)p);
9884 if(p >= gameInfo.holdingsSize) p = 0;
9885 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9886 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9887 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9888 board[BOARD_HEIGHT-1-p][1] = 0;
9891 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9892 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9893 /* [HGM] holdings: Add to holdings, if holdings exist */
9894 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9895 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9896 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9899 if (p >= (int) BlackPawn) {
9900 p -= (int)BlackPawn;
9901 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9902 /* in Shogi restore piece to its original first */
9903 captured = (ChessSquare) (DEMOTED captured);
9906 p = PieceToNumber((ChessSquare)p);
9907 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9908 board[p][BOARD_WIDTH-2]++;
9909 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9911 p -= (int)WhitePawn;
9912 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9913 captured = (ChessSquare) (DEMOTED captured);
9916 p = PieceToNumber((ChessSquare)p);
9917 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9918 board[BOARD_HEIGHT-1-p][1]++;
9919 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9922 } else if (gameInfo.variant == VariantAtomic) {
9923 if (captured != EmptySquare) {
9925 for (y = toY-1; y <= toY+1; y++) {
9926 for (x = toX-1; x <= toX+1; x++) {
9927 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9928 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9929 board[y][x] = EmptySquare;
9933 board[toY][toX] = EmptySquare;
9936 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9937 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9939 if(promoChar == '+') {
9940 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9941 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
9942 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9943 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9944 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9945 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9946 board[toY][toX] = newPiece;
9948 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9949 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9950 // [HGM] superchess: take promotion piece out of holdings
9951 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9952 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9953 if(!--board[k][BOARD_WIDTH-2])
9954 board[k][BOARD_WIDTH-1] = EmptySquare;
9956 if(!--board[BOARD_HEIGHT-1-k][1])
9957 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9962 /* Updates forwardMostMove */
9964 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9966 int x = toX, y = toY;
9967 char *s = parseList[forwardMostMove];
9968 ChessSquare p = boards[forwardMostMove][toY][toX];
9969 // forwardMostMove++; // [HGM] bare: moved downstream
9971 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
9972 (void) CoordsToAlgebraic(boards[forwardMostMove],
9973 PosFlags(forwardMostMove),
9974 fromY, fromX, y, x, promoChar,
9976 if(killX >= 0 && killY >= 0)
9977 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
9979 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9980 int timeLeft; static int lastLoadFlag=0; int king, piece;
9981 piece = boards[forwardMostMove][fromY][fromX];
9982 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9983 if(gameInfo.variant == VariantKnightmate)
9984 king += (int) WhiteUnicorn - (int) WhiteKing;
9985 if(forwardMostMove == 0) {
9986 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9987 fprintf(serverMoves, "%s;", UserName());
9988 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9989 fprintf(serverMoves, "%s;", second.tidy);
9990 fprintf(serverMoves, "%s;", first.tidy);
9991 if(gameMode == MachinePlaysWhite)
9992 fprintf(serverMoves, "%s;", UserName());
9993 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9994 fprintf(serverMoves, "%s;", second.tidy);
9995 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9996 lastLoadFlag = loadFlag;
9998 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9999 // print castling suffix
10000 if( toY == fromY && piece == king ) {
10002 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10004 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10007 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10008 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10009 boards[forwardMostMove][toY][toX] == EmptySquare
10010 && fromX != toX && fromY != toY)
10011 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10012 // promotion suffix
10013 if(promoChar != NULLCHAR) {
10014 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10015 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10016 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10017 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10020 char buf[MOVE_LEN*2], *p; int len;
10021 fprintf(serverMoves, "/%d/%d",
10022 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10023 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10024 else timeLeft = blackTimeRemaining/1000;
10025 fprintf(serverMoves, "/%d", timeLeft);
10026 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10027 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10028 if(p = strchr(buf, '=')) *p = NULLCHAR;
10029 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10030 fprintf(serverMoves, "/%s", buf);
10032 fflush(serverMoves);
10035 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10036 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10039 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10040 if (commentList[forwardMostMove+1] != NULL) {
10041 free(commentList[forwardMostMove+1]);
10042 commentList[forwardMostMove+1] = NULL;
10044 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10045 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10046 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10047 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10048 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10049 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10050 adjustedClock = FALSE;
10051 gameInfo.result = GameUnfinished;
10052 if (gameInfo.resultDetails != NULL) {
10053 free(gameInfo.resultDetails);
10054 gameInfo.resultDetails = NULL;
10056 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10057 moveList[forwardMostMove - 1]);
10058 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10064 if(gameInfo.variant != VariantShogi)
10065 strcat(parseList[forwardMostMove - 1], "+");
10069 strcat(parseList[forwardMostMove - 1], "#");
10073 killX = killY = -1; // [HGM] lion: used up
10076 /* Updates currentMove if not pausing */
10078 ShowMove (int fromX, int fromY, int toX, int toY)
10080 int instant = (gameMode == PlayFromGameFile) ?
10081 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10082 if(appData.noGUI) return;
10083 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10085 if (forwardMostMove == currentMove + 1) {
10086 AnimateMove(boards[forwardMostMove - 1],
10087 fromX, fromY, toX, toY);
10090 currentMove = forwardMostMove;
10093 if (instant) return;
10095 DisplayMove(currentMove - 1);
10096 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10097 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10098 SetHighlights(fromX, fromY, toX, toY);
10101 DrawPosition(FALSE, boards[currentMove]);
10102 DisplayBothClocks();
10103 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10107 SendEgtPath (ChessProgramState *cps)
10108 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10109 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10111 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10114 char c, *q = name+1, *r, *s;
10116 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10117 while(*p && *p != ',') *q++ = *p++;
10118 *q++ = ':'; *q = 0;
10119 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10120 strcmp(name, ",nalimov:") == 0 ) {
10121 // take nalimov path from the menu-changeable option first, if it is defined
10122 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10123 SendToProgram(buf,cps); // send egtbpath command for nalimov
10125 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10126 (s = StrStr(appData.egtFormats, name)) != NULL) {
10127 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10128 s = r = StrStr(s, ":") + 1; // beginning of path info
10129 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10130 c = *r; *r = 0; // temporarily null-terminate path info
10131 *--q = 0; // strip of trailig ':' from name
10132 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10134 SendToProgram(buf,cps); // send egtbpath command for this format
10136 if(*p == ',') p++; // read away comma to position for next format name
10141 NonStandardBoardSize ()
10143 /* [HGM] Awkward testing. Should really be a table */
10144 int overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
10145 if( gameInfo.variant == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10146 if( gameInfo.variant == VariantXiangqi )
10147 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
10148 if( gameInfo.variant == VariantShogi )
10149 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
10150 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
10151 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
10152 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
10153 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
10154 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
10155 if( gameInfo.variant == VariantCourier )
10156 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
10157 if( gameInfo.variant == VariantSuper )
10158 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
10159 if( gameInfo.variant == VariantGreat )
10160 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
10161 if( gameInfo.variant == VariantSChess )
10162 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
10163 if( gameInfo.variant == VariantGrand )
10164 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
10165 if( gameInfo.variant == VariantChu )
10166 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 12 || gameInfo.holdingsSize != 0;
10171 InitChessProgram (ChessProgramState *cps, int setup)
10172 /* setup needed to setup FRC opening position */
10174 char buf[MSG_SIZ], b[MSG_SIZ];
10175 if (appData.noChessProgram) return;
10176 hintRequested = FALSE;
10177 bookRequested = FALSE;
10179 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10180 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10181 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10182 if(cps->memSize) { /* [HGM] memory */
10183 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10184 SendToProgram(buf, cps);
10186 SendEgtPath(cps); /* [HGM] EGT */
10187 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10188 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10189 SendToProgram(buf, cps);
10192 SendToProgram(cps->initString, cps);
10193 if (gameInfo.variant != VariantNormal &&
10194 gameInfo.variant != VariantLoadable
10195 /* [HGM] also send variant if board size non-standard */
10196 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
10198 char *v = VariantName(gameInfo.variant);
10199 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
10200 /* [HGM] in protocol 1 we have to assume all variants valid */
10201 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
10202 DisplayFatalError(buf, 0, 1);
10206 if(NonStandardBoardSize()) { /* [HGM] make prefix for non-standard board size. */
10207 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
10208 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
10209 /* [HGM] varsize: try first if this defiant size variant is specifically known */
10210 if(StrStr(cps->variants, b) == NULL) {
10211 // specific sized variant not known, check if general sizing allowed
10212 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
10213 if(StrStr(cps->variants, "boardsize") == NULL) {
10214 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10215 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
10216 DisplayFatalError(buf, 0, 1);
10219 /* [HGM] here we really should compare with the maximum supported board size */
10222 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
10223 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10224 SendToProgram(buf, cps);
10226 currentlyInitializedVariant = gameInfo.variant;
10228 /* [HGM] send opening position in FRC to first engine */
10230 SendToProgram("force\n", cps);
10232 /* engine is now in force mode! Set flag to wake it up after first move. */
10233 setboardSpoiledMachineBlack = 1;
10236 if (cps->sendICS) {
10237 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10238 SendToProgram(buf, cps);
10240 cps->maybeThinking = FALSE;
10241 cps->offeredDraw = 0;
10242 if (!appData.icsActive) {
10243 SendTimeControl(cps, movesPerSession, timeControl,
10244 timeIncrement, appData.searchDepth,
10247 if (appData.showThinking
10248 // [HGM] thinking: four options require thinking output to be sent
10249 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10251 SendToProgram("post\n", cps);
10253 SendToProgram("hard\n", cps);
10254 if (!appData.ponderNextMove) {
10255 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10256 it without being sure what state we are in first. "hard"
10257 is not a toggle, so that one is OK.
10259 SendToProgram("easy\n", cps);
10261 if (cps->usePing) {
10262 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
10263 SendToProgram(buf, cps);
10265 cps->initDone = TRUE;
10266 ClearEngineOutputPane(cps == &second);
10271 ResendOptions (ChessProgramState *cps)
10272 { // send the stored value of the options
10275 Option *opt = cps->option;
10276 for(i=0; i<cps->nrOptions; i++, opt++) {
10277 switch(opt->type) {
10281 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10284 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10287 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10293 SendToProgram(buf, cps);
10298 StartChessProgram (ChessProgramState *cps)
10303 if (appData.noChessProgram) return;
10304 cps->initDone = FALSE;
10306 if (strcmp(cps->host, "localhost") == 0) {
10307 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10308 } else if (*appData.remoteShell == NULLCHAR) {
10309 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10311 if (*appData.remoteUser == NULLCHAR) {
10312 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10315 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10316 cps->host, appData.remoteUser, cps->program);
10318 err = StartChildProcess(buf, "", &cps->pr);
10322 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10323 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10324 if(cps != &first) return;
10325 appData.noChessProgram = TRUE;
10328 // DisplayFatalError(buf, err, 1);
10329 // cps->pr = NoProc;
10330 // cps->isr = NULL;
10334 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10335 if (cps->protocolVersion > 1) {
10336 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10337 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10338 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10339 cps->comboCnt = 0; // and values of combo boxes
10341 SendToProgram(buf, cps);
10342 if(cps->reload) ResendOptions(cps);
10344 SendToProgram("xboard\n", cps);
10349 TwoMachinesEventIfReady P((void))
10351 static int curMess = 0;
10352 if (first.lastPing != first.lastPong) {
10353 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10354 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10357 if (second.lastPing != second.lastPong) {
10358 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10359 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10362 DisplayMessage("", ""); curMess = 0;
10363 TwoMachinesEvent();
10367 MakeName (char *template)
10371 static char buf[MSG_SIZ];
10375 clock = time((time_t *)NULL);
10376 tm = localtime(&clock);
10378 while(*p++ = *template++) if(p[-1] == '%') {
10379 switch(*template++) {
10380 case 0: *p = 0; return buf;
10381 case 'Y': i = tm->tm_year+1900; break;
10382 case 'y': i = tm->tm_year-100; break;
10383 case 'M': i = tm->tm_mon+1; break;
10384 case 'd': i = tm->tm_mday; break;
10385 case 'h': i = tm->tm_hour; break;
10386 case 'm': i = tm->tm_min; break;
10387 case 's': i = tm->tm_sec; break;
10390 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10396 CountPlayers (char *p)
10399 while(p = strchr(p, '\n')) p++, n++; // count participants
10404 WriteTourneyFile (char *results, FILE *f)
10405 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10406 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10407 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10408 // create a file with tournament description
10409 fprintf(f, "-participants {%s}\n", appData.participants);
10410 fprintf(f, "-seedBase %d\n", appData.seedBase);
10411 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10412 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10413 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10414 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10415 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10416 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10417 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10418 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10419 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10420 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10421 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10422 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10423 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10424 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10425 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10426 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10427 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10428 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10429 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10430 fprintf(f, "-smpCores %d\n", appData.smpCores);
10432 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10434 fprintf(f, "-mps %d\n", appData.movesPerSession);
10435 fprintf(f, "-tc %s\n", appData.timeControl);
10436 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10438 fprintf(f, "-results \"%s\"\n", results);
10443 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10446 Substitute (char *participants, int expunge)
10448 int i, changed, changes=0, nPlayers=0;
10449 char *p, *q, *r, buf[MSG_SIZ];
10450 if(participants == NULL) return;
10451 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10452 r = p = participants; q = appData.participants;
10453 while(*p && *p == *q) {
10454 if(*p == '\n') r = p+1, nPlayers++;
10457 if(*p) { // difference
10458 while(*p && *p++ != '\n');
10459 while(*q && *q++ != '\n');
10460 changed = nPlayers;
10461 changes = 1 + (strcmp(p, q) != 0);
10463 if(changes == 1) { // a single engine mnemonic was changed
10464 q = r; while(*q) nPlayers += (*q++ == '\n');
10465 p = buf; while(*r && (*p = *r++) != '\n') p++;
10467 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10468 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10469 if(mnemonic[i]) { // The substitute is valid
10471 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10472 flock(fileno(f), LOCK_EX);
10473 ParseArgsFromFile(f);
10474 fseek(f, 0, SEEK_SET);
10475 FREE(appData.participants); appData.participants = participants;
10476 if(expunge) { // erase results of replaced engine
10477 int len = strlen(appData.results), w, b, dummy;
10478 for(i=0; i<len; i++) {
10479 Pairing(i, nPlayers, &w, &b, &dummy);
10480 if((w == changed || b == changed) && appData.results[i] == '*') {
10481 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10486 for(i=0; i<len; i++) {
10487 Pairing(i, nPlayers, &w, &b, &dummy);
10488 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10491 WriteTourneyFile(appData.results, f);
10492 fclose(f); // release lock
10495 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10497 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10498 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10499 free(participants);
10504 CheckPlayers (char *participants)
10507 char buf[MSG_SIZ], *p;
10508 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10509 while(p = strchr(participants, '\n')) {
10511 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10513 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10515 DisplayError(buf, 0);
10519 participants = p + 1;
10525 CreateTourney (char *name)
10528 if(matchMode && strcmp(name, appData.tourneyFile)) {
10529 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10531 if(name[0] == NULLCHAR) {
10532 if(appData.participants[0])
10533 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10536 f = fopen(name, "r");
10537 if(f) { // file exists
10538 ASSIGN(appData.tourneyFile, name);
10539 ParseArgsFromFile(f); // parse it
10541 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10542 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10543 DisplayError(_("Not enough participants"), 0);
10546 if(CheckPlayers(appData.participants)) return 0;
10547 ASSIGN(appData.tourneyFile, name);
10548 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10549 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10552 appData.noChessProgram = FALSE;
10553 appData.clockMode = TRUE;
10559 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10561 char buf[MSG_SIZ], *p, *q;
10562 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10563 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10564 skip = !all && group[0]; // if group requested, we start in skip mode
10565 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10566 p = names; q = buf; header = 0;
10567 while(*p && *p != '\n') *q++ = *p++;
10569 if(*p == '\n') p++;
10570 if(buf[0] == '#') {
10571 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10572 depth++; // we must be entering a new group
10573 if(all) continue; // suppress printing group headers when complete list requested
10575 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10577 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10578 if(engineList[i]) free(engineList[i]);
10579 engineList[i] = strdup(buf);
10580 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10581 if(engineMnemonic[i]) free(engineMnemonic[i]);
10582 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10584 sscanf(q + 8, "%s", buf + strlen(buf));
10587 engineMnemonic[i] = strdup(buf);
10590 engineList[i] = engineMnemonic[i] = NULL;
10594 // following implemented as macro to avoid type limitations
10595 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10598 SwapEngines (int n)
10599 { // swap settings for first engine and other engine (so far only some selected options)
10604 SWAP(chessProgram, p)
10606 SWAP(hasOwnBookUCI, h)
10607 SWAP(protocolVersion, h)
10609 SWAP(scoreIsAbsolute, h)
10614 SWAP(engOptions, p)
10615 SWAP(engInitString, p)
10616 SWAP(computerString, p)
10618 SWAP(fenOverride, p)
10620 SWAP(accumulateTC, h)
10625 GetEngineLine (char *s, int n)
10629 extern char *icsNames;
10630 if(!s || !*s) return 0;
10631 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10632 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10633 if(!mnemonic[i]) return 0;
10634 if(n == 11) return 1; // just testing if there was a match
10635 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10636 if(n == 1) SwapEngines(n);
10637 ParseArgsFromString(buf);
10638 if(n == 1) SwapEngines(n);
10639 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10640 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10641 ParseArgsFromString(buf);
10647 SetPlayer (int player, char *p)
10648 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10650 char buf[MSG_SIZ], *engineName;
10651 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10652 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10653 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10655 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10656 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10657 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10658 ParseArgsFromString(buf);
10659 } else { // no engine with this nickname is installed!
10660 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10661 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10662 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10664 DisplayError(buf, 0);
10671 char *recentEngines;
10674 RecentEngineEvent (int nr)
10677 // SwapEngines(1); // bump first to second
10678 // ReplaceEngine(&second, 1); // and load it there
10679 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10680 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10681 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10682 ReplaceEngine(&first, 0);
10683 FloatToFront(&appData.recentEngineList, command[n]);
10688 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10689 { // determine players from game number
10690 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10692 if(appData.tourneyType == 0) {
10693 roundsPerCycle = (nPlayers - 1) | 1;
10694 pairingsPerRound = nPlayers / 2;
10695 } else if(appData.tourneyType > 0) {
10696 roundsPerCycle = nPlayers - appData.tourneyType;
10697 pairingsPerRound = appData.tourneyType;
10699 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10700 gamesPerCycle = gamesPerRound * roundsPerCycle;
10701 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10702 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10703 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10704 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10705 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10706 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10708 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10709 if(appData.roundSync) *syncInterval = gamesPerRound;
10711 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10713 if(appData.tourneyType == 0) {
10714 if(curPairing == (nPlayers-1)/2 ) {
10715 *whitePlayer = curRound;
10716 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10718 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10719 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10720 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10721 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10723 } else if(appData.tourneyType > 1) {
10724 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10725 *whitePlayer = curRound + appData.tourneyType;
10726 } else if(appData.tourneyType > 0) {
10727 *whitePlayer = curPairing;
10728 *blackPlayer = curRound + appData.tourneyType;
10731 // take care of white/black alternation per round.
10732 // For cycles and games this is already taken care of by default, derived from matchGame!
10733 return curRound & 1;
10737 NextTourneyGame (int nr, int *swapColors)
10738 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10740 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10742 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10743 tf = fopen(appData.tourneyFile, "r");
10744 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10745 ParseArgsFromFile(tf); fclose(tf);
10746 InitTimeControls(); // TC might be altered from tourney file
10748 nPlayers = CountPlayers(appData.participants); // count participants
10749 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10750 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10753 p = q = appData.results;
10754 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10755 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10756 DisplayMessage(_("Waiting for other game(s)"),"");
10757 waitingForGame = TRUE;
10758 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10761 waitingForGame = FALSE;
10764 if(appData.tourneyType < 0) {
10765 if(nr>=0 && !pairingReceived) {
10767 if(pairing.pr == NoProc) {
10768 if(!appData.pairingEngine[0]) {
10769 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10772 StartChessProgram(&pairing); // starts the pairing engine
10774 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10775 SendToProgram(buf, &pairing);
10776 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10777 SendToProgram(buf, &pairing);
10778 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10780 pairingReceived = 0; // ... so we continue here
10782 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10783 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10784 matchGame = 1; roundNr = nr / syncInterval + 1;
10787 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10789 // redefine engines, engine dir, etc.
10790 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10791 if(first.pr == NoProc) {
10792 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10793 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10795 if(second.pr == NoProc) {
10797 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10798 SwapEngines(1); // and make that valid for second engine by swapping
10799 InitEngine(&second, 1);
10801 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10802 UpdateLogos(FALSE); // leave display to ModeHiglight()
10808 { // performs game initialization that does not invoke engines, and then tries to start the game
10809 int res, firstWhite, swapColors = 0;
10810 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10811 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
10813 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10814 if(strcmp(buf, currentDebugFile)) { // name has changed
10815 FILE *f = fopen(buf, "w");
10816 if(f) { // if opening the new file failed, just keep using the old one
10817 ASSIGN(currentDebugFile, buf);
10821 if(appData.serverFileName) {
10822 if(serverFP) fclose(serverFP);
10823 serverFP = fopen(appData.serverFileName, "w");
10824 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10825 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10829 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10830 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10831 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10832 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10833 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10834 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10835 Reset(FALSE, first.pr != NoProc);
10836 res = LoadGameOrPosition(matchGame); // setup game
10837 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10838 if(!res) return; // abort when bad game/pos file
10839 TwoMachinesEvent();
10843 UserAdjudicationEvent (int result)
10845 ChessMove gameResult = GameIsDrawn;
10848 gameResult = WhiteWins;
10850 else if( result < 0 ) {
10851 gameResult = BlackWins;
10854 if( gameMode == TwoMachinesPlay ) {
10855 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10860 // [HGM] save: calculate checksum of game to make games easily identifiable
10862 StringCheckSum (char *s)
10865 if(s==NULL) return 0;
10866 while(*s) i = i*259 + *s++;
10874 for(i=backwardMostMove; i<forwardMostMove; i++) {
10875 sum += pvInfoList[i].depth;
10876 sum += StringCheckSum(parseList[i]);
10877 sum += StringCheckSum(commentList[i]);
10880 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10881 return sum + StringCheckSum(commentList[i]);
10882 } // end of save patch
10885 GameEnds (ChessMove result, char *resultDetails, int whosays)
10887 GameMode nextGameMode;
10889 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10891 if(endingGame) return; /* [HGM] crash: forbid recursion */
10893 if(twoBoards) { // [HGM] dual: switch back to one board
10894 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10895 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10897 if (appData.debugMode) {
10898 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10899 result, resultDetails ? resultDetails : "(null)", whosays);
10902 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
10904 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10906 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10907 /* If we are playing on ICS, the server decides when the
10908 game is over, but the engine can offer to draw, claim
10912 if (appData.zippyPlay && first.initDone) {
10913 if (result == GameIsDrawn) {
10914 /* In case draw still needs to be claimed */
10915 SendToICS(ics_prefix);
10916 SendToICS("draw\n");
10917 } else if (StrCaseStr(resultDetails, "resign")) {
10918 SendToICS(ics_prefix);
10919 SendToICS("resign\n");
10923 endingGame = 0; /* [HGM] crash */
10927 /* If we're loading the game from a file, stop */
10928 if (whosays == GE_FILE) {
10929 (void) StopLoadGameTimer();
10933 /* Cancel draw offers */
10934 first.offeredDraw = second.offeredDraw = 0;
10936 /* If this is an ICS game, only ICS can really say it's done;
10937 if not, anyone can. */
10938 isIcsGame = (gameMode == IcsPlayingWhite ||
10939 gameMode == IcsPlayingBlack ||
10940 gameMode == IcsObserving ||
10941 gameMode == IcsExamining);
10943 if (!isIcsGame || whosays == GE_ICS) {
10944 /* OK -- not an ICS game, or ICS said it was done */
10946 if (!isIcsGame && !appData.noChessProgram)
10947 SetUserThinkingEnables();
10949 /* [HGM] if a machine claims the game end we verify this claim */
10950 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10951 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10953 ChessMove trueResult = (ChessMove) -1;
10955 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10956 first.twoMachinesColor[0] :
10957 second.twoMachinesColor[0] ;
10959 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10960 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10961 /* [HGM] verify: engine mate claims accepted if they were flagged */
10962 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10964 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10965 /* [HGM] verify: engine mate claims accepted if they were flagged */
10966 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10968 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10969 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10972 // now verify win claims, but not in drop games, as we don't understand those yet
10973 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10974 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10975 (result == WhiteWins && claimer == 'w' ||
10976 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10977 if (appData.debugMode) {
10978 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10979 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10981 if(result != trueResult) {
10982 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10983 result = claimer == 'w' ? BlackWins : WhiteWins;
10984 resultDetails = buf;
10987 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10988 && (forwardMostMove <= backwardMostMove ||
10989 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10990 (claimer=='b')==(forwardMostMove&1))
10992 /* [HGM] verify: draws that were not flagged are false claims */
10993 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10994 result = claimer == 'w' ? BlackWins : WhiteWins;
10995 resultDetails = buf;
10997 /* (Claiming a loss is accepted no questions asked!) */
10998 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10999 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11000 result = GameUnfinished;
11001 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11003 /* [HGM] bare: don't allow bare King to win */
11004 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11005 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11006 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11007 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11008 && result != GameIsDrawn)
11009 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11010 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11011 int p = (signed char)boards[forwardMostMove][i][j] - color;
11012 if(p >= 0 && p <= (int)WhiteKing) k++;
11014 if (appData.debugMode) {
11015 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11016 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11019 result = GameIsDrawn;
11020 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11021 resultDetails = buf;
11027 if(serverMoves != NULL && !loadFlag) { char c = '=';
11028 if(result==WhiteWins) c = '+';
11029 if(result==BlackWins) c = '-';
11030 if(resultDetails != NULL)
11031 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11033 if (resultDetails != NULL) {
11034 gameInfo.result = result;
11035 gameInfo.resultDetails = StrSave(resultDetails);
11037 /* display last move only if game was not loaded from file */
11038 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11039 DisplayMove(currentMove - 1);
11041 if (forwardMostMove != 0) {
11042 if (gameMode != PlayFromGameFile && gameMode != EditGame
11043 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11045 if (*appData.saveGameFile != NULLCHAR) {
11046 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11047 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11049 SaveGameToFile(appData.saveGameFile, TRUE);
11050 } else if (appData.autoSaveGames) {
11051 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11053 if (*appData.savePositionFile != NULLCHAR) {
11054 SavePositionToFile(appData.savePositionFile);
11056 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11060 /* Tell program how game ended in case it is learning */
11061 /* [HGM] Moved this to after saving the PGN, just in case */
11062 /* engine died and we got here through time loss. In that */
11063 /* case we will get a fatal error writing the pipe, which */
11064 /* would otherwise lose us the PGN. */
11065 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11066 /* output during GameEnds should never be fatal anymore */
11067 if (gameMode == MachinePlaysWhite ||
11068 gameMode == MachinePlaysBlack ||
11069 gameMode == TwoMachinesPlay ||
11070 gameMode == IcsPlayingWhite ||
11071 gameMode == IcsPlayingBlack ||
11072 gameMode == BeginningOfGame) {
11074 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11076 if (first.pr != NoProc) {
11077 SendToProgram(buf, &first);
11079 if (second.pr != NoProc &&
11080 gameMode == TwoMachinesPlay) {
11081 SendToProgram(buf, &second);
11086 if (appData.icsActive) {
11087 if (appData.quietPlay &&
11088 (gameMode == IcsPlayingWhite ||
11089 gameMode == IcsPlayingBlack)) {
11090 SendToICS(ics_prefix);
11091 SendToICS("set shout 1\n");
11093 nextGameMode = IcsIdle;
11094 ics_user_moved = FALSE;
11095 /* clean up premove. It's ugly when the game has ended and the
11096 * premove highlights are still on the board.
11099 gotPremove = FALSE;
11100 ClearPremoveHighlights();
11101 DrawPosition(FALSE, boards[currentMove]);
11103 if (whosays == GE_ICS) {
11106 if (gameMode == IcsPlayingWhite)
11108 else if(gameMode == IcsPlayingBlack)
11109 PlayIcsLossSound();
11112 if (gameMode == IcsPlayingBlack)
11114 else if(gameMode == IcsPlayingWhite)
11115 PlayIcsLossSound();
11118 PlayIcsDrawSound();
11121 PlayIcsUnfinishedSound();
11124 if(appData.quitNext) { ExitEvent(0); return; }
11125 } else if (gameMode == EditGame ||
11126 gameMode == PlayFromGameFile ||
11127 gameMode == AnalyzeMode ||
11128 gameMode == AnalyzeFile) {
11129 nextGameMode = gameMode;
11131 nextGameMode = EndOfGame;
11136 nextGameMode = gameMode;
11139 if (appData.noChessProgram) {
11140 gameMode = nextGameMode;
11142 endingGame = 0; /* [HGM] crash */
11147 /* Put first chess program into idle state */
11148 if (first.pr != NoProc &&
11149 (gameMode == MachinePlaysWhite ||
11150 gameMode == MachinePlaysBlack ||
11151 gameMode == TwoMachinesPlay ||
11152 gameMode == IcsPlayingWhite ||
11153 gameMode == IcsPlayingBlack ||
11154 gameMode == BeginningOfGame)) {
11155 SendToProgram("force\n", &first);
11156 if (first.usePing) {
11158 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11159 SendToProgram(buf, &first);
11162 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11163 /* Kill off first chess program */
11164 if (first.isr != NULL)
11165 RemoveInputSource(first.isr);
11168 if (first.pr != NoProc) {
11170 DoSleep( appData.delayBeforeQuit );
11171 SendToProgram("quit\n", &first);
11172 DoSleep( appData.delayAfterQuit );
11173 DestroyChildProcess(first.pr, first.useSigterm);
11174 first.reload = TRUE;
11178 if (second.reuse) {
11179 /* Put second chess program into idle state */
11180 if (second.pr != NoProc &&
11181 gameMode == TwoMachinesPlay) {
11182 SendToProgram("force\n", &second);
11183 if (second.usePing) {
11185 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11186 SendToProgram(buf, &second);
11189 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11190 /* Kill off second chess program */
11191 if (second.isr != NULL)
11192 RemoveInputSource(second.isr);
11195 if (second.pr != NoProc) {
11196 DoSleep( appData.delayBeforeQuit );
11197 SendToProgram("quit\n", &second);
11198 DoSleep( appData.delayAfterQuit );
11199 DestroyChildProcess(second.pr, second.useSigterm);
11200 second.reload = TRUE;
11202 second.pr = NoProc;
11205 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11206 char resChar = '=';
11210 if (first.twoMachinesColor[0] == 'w') {
11213 second.matchWins++;
11218 if (first.twoMachinesColor[0] == 'b') {
11221 second.matchWins++;
11224 case GameUnfinished:
11230 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11231 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11232 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11233 ReserveGame(nextGame, resChar); // sets nextGame
11234 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11235 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11236 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11238 if (nextGame <= appData.matchGames && !abortMatch) {
11239 gameMode = nextGameMode;
11240 matchGame = nextGame; // this will be overruled in tourney mode!
11241 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11242 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11243 endingGame = 0; /* [HGM] crash */
11246 gameMode = nextGameMode;
11247 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11248 first.tidy, second.tidy,
11249 first.matchWins, second.matchWins,
11250 appData.matchGames - (first.matchWins + second.matchWins));
11251 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11252 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11253 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11254 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11255 first.twoMachinesColor = "black\n";
11256 second.twoMachinesColor = "white\n";
11258 first.twoMachinesColor = "white\n";
11259 second.twoMachinesColor = "black\n";
11263 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11264 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11266 gameMode = nextGameMode;
11268 endingGame = 0; /* [HGM] crash */
11269 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11270 if(matchMode == TRUE) { // match through command line: exit with or without popup
11272 ToNrEvent(forwardMostMove);
11273 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11275 } else DisplayFatalError(buf, 0, 0);
11276 } else { // match through menu; just stop, with or without popup
11277 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11280 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11281 } else DisplayNote(buf);
11283 if(ranking) free(ranking);
11287 /* Assumes program was just initialized (initString sent).
11288 Leaves program in force mode. */
11290 FeedMovesToProgram (ChessProgramState *cps, int upto)
11294 if (appData.debugMode)
11295 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11296 startedFromSetupPosition ? "position and " : "",
11297 backwardMostMove, upto, cps->which);
11298 if(currentlyInitializedVariant != gameInfo.variant) {
11300 // [HGM] variantswitch: make engine aware of new variant
11301 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
11302 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11303 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11304 SendToProgram(buf, cps);
11305 currentlyInitializedVariant = gameInfo.variant;
11307 SendToProgram("force\n", cps);
11308 if (startedFromSetupPosition) {
11309 SendBoard(cps, backwardMostMove);
11310 if (appData.debugMode) {
11311 fprintf(debugFP, "feedMoves\n");
11314 for (i = backwardMostMove; i < upto; i++) {
11315 SendMoveToProgram(i, cps);
11321 ResurrectChessProgram ()
11323 /* The chess program may have exited.
11324 If so, restart it and feed it all the moves made so far. */
11325 static int doInit = 0;
11327 if (appData.noChessProgram) return 1;
11329 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11330 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11331 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11332 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11334 if (first.pr != NoProc) return 1;
11335 StartChessProgram(&first);
11337 InitChessProgram(&first, FALSE);
11338 FeedMovesToProgram(&first, currentMove);
11340 if (!first.sendTime) {
11341 /* can't tell gnuchess what its clock should read,
11342 so we bow to its notion. */
11344 timeRemaining[0][currentMove] = whiteTimeRemaining;
11345 timeRemaining[1][currentMove] = blackTimeRemaining;
11348 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11349 appData.icsEngineAnalyze) && first.analysisSupport) {
11350 SendToProgram("analyze\n", &first);
11351 first.analyzing = TRUE;
11357 * Button procedures
11360 Reset (int redraw, int init)
11364 if (appData.debugMode) {
11365 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11366 redraw, init, gameMode);
11368 CleanupTail(); // [HGM] vari: delete any stored variations
11369 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11370 pausing = pauseExamInvalid = FALSE;
11371 startedFromSetupPosition = blackPlaysFirst = FALSE;
11373 whiteFlag = blackFlag = FALSE;
11374 userOfferedDraw = FALSE;
11375 hintRequested = bookRequested = FALSE;
11376 first.maybeThinking = FALSE;
11377 second.maybeThinking = FALSE;
11378 first.bookSuspend = FALSE; // [HGM] book
11379 second.bookSuspend = FALSE;
11380 thinkOutput[0] = NULLCHAR;
11381 lastHint[0] = NULLCHAR;
11382 ClearGameInfo(&gameInfo);
11383 gameInfo.variant = StringToVariant(appData.variant);
11384 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11385 ics_user_moved = ics_clock_paused = FALSE;
11386 ics_getting_history = H_FALSE;
11388 white_holding[0] = black_holding[0] = NULLCHAR;
11389 ClearProgramStats();
11390 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11394 flipView = appData.flipView;
11395 ClearPremoveHighlights();
11396 gotPremove = FALSE;
11397 alarmSounded = FALSE;
11398 killX = killY = -1; // [HGM] lion
11400 GameEnds(EndOfFile, NULL, GE_PLAYER);
11401 if(appData.serverMovesName != NULL) {
11402 /* [HGM] prepare to make moves file for broadcasting */
11403 clock_t t = clock();
11404 if(serverMoves != NULL) fclose(serverMoves);
11405 serverMoves = fopen(appData.serverMovesName, "r");
11406 if(serverMoves != NULL) {
11407 fclose(serverMoves);
11408 /* delay 15 sec before overwriting, so all clients can see end */
11409 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11411 serverMoves = fopen(appData.serverMovesName, "w");
11415 gameMode = BeginningOfGame;
11417 if(appData.icsActive) gameInfo.variant = VariantNormal;
11418 currentMove = forwardMostMove = backwardMostMove = 0;
11419 MarkTargetSquares(1);
11420 InitPosition(redraw);
11421 for (i = 0; i < MAX_MOVES; i++) {
11422 if (commentList[i] != NULL) {
11423 free(commentList[i]);
11424 commentList[i] = NULL;
11428 timeRemaining[0][0] = whiteTimeRemaining;
11429 timeRemaining[1][0] = blackTimeRemaining;
11431 if (first.pr == NoProc) {
11432 StartChessProgram(&first);
11435 InitChessProgram(&first, startedFromSetupPosition);
11438 DisplayMessage("", "");
11439 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11440 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11441 ClearMap(); // [HGM] exclude: invalidate map
11445 AutoPlayGameLoop ()
11448 if (!AutoPlayOneMove())
11450 if (matchMode || appData.timeDelay == 0)
11452 if (appData.timeDelay < 0)
11454 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11462 ReloadGame(1); // next game
11468 int fromX, fromY, toX, toY;
11470 if (appData.debugMode) {
11471 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11474 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11477 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11478 pvInfoList[currentMove].depth = programStats.depth;
11479 pvInfoList[currentMove].score = programStats.score;
11480 pvInfoList[currentMove].time = 0;
11481 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11482 else { // append analysis of final position as comment
11484 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11485 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11487 programStats.depth = 0;
11490 if (currentMove >= forwardMostMove) {
11491 if(gameMode == AnalyzeFile) {
11492 if(appData.loadGameIndex == -1) {
11493 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11494 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11496 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11499 // gameMode = EndOfGame;
11500 // ModeHighlight();
11502 /* [AS] Clear current move marker at the end of a game */
11503 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11508 toX = moveList[currentMove][2] - AAA;
11509 toY = moveList[currentMove][3] - ONE;
11511 if (moveList[currentMove][1] == '@') {
11512 if (appData.highlightLastMove) {
11513 SetHighlights(-1, -1, toX, toY);
11516 fromX = moveList[currentMove][0] - AAA;
11517 fromY = moveList[currentMove][1] - ONE;
11519 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11521 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11523 if (appData.highlightLastMove) {
11524 SetHighlights(fromX, fromY, toX, toY);
11527 DisplayMove(currentMove);
11528 SendMoveToProgram(currentMove++, &first);
11529 DisplayBothClocks();
11530 DrawPosition(FALSE, boards[currentMove]);
11531 // [HGM] PV info: always display, routine tests if empty
11532 DisplayComment(currentMove - 1, commentList[currentMove]);
11538 LoadGameOneMove (ChessMove readAhead)
11540 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11541 char promoChar = NULLCHAR;
11542 ChessMove moveType;
11543 char move[MSG_SIZ];
11546 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11547 gameMode != AnalyzeMode && gameMode != Training) {
11552 yyboardindex = forwardMostMove;
11553 if (readAhead != EndOfFile) {
11554 moveType = readAhead;
11556 if (gameFileFP == NULL)
11558 moveType = (ChessMove) Myylex();
11562 switch (moveType) {
11564 if (appData.debugMode)
11565 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11568 /* append the comment but don't display it */
11569 AppendComment(currentMove, p, FALSE);
11572 case WhiteCapturesEnPassant:
11573 case BlackCapturesEnPassant:
11574 case WhitePromotion:
11575 case BlackPromotion:
11576 case WhiteNonPromotion:
11577 case BlackNonPromotion:
11580 case WhiteKingSideCastle:
11581 case WhiteQueenSideCastle:
11582 case BlackKingSideCastle:
11583 case BlackQueenSideCastle:
11584 case WhiteKingSideCastleWild:
11585 case WhiteQueenSideCastleWild:
11586 case BlackKingSideCastleWild:
11587 case BlackQueenSideCastleWild:
11589 case WhiteHSideCastleFR:
11590 case WhiteASideCastleFR:
11591 case BlackHSideCastleFR:
11592 case BlackASideCastleFR:
11594 if (appData.debugMode)
11595 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11596 fromX = currentMoveString[0] - AAA;
11597 fromY = currentMoveString[1] - ONE;
11598 toX = currentMoveString[2] - AAA;
11599 toY = currentMoveString[3] - ONE;
11600 promoChar = currentMoveString[4];
11605 if (appData.debugMode)
11606 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11607 fromX = moveType == WhiteDrop ?
11608 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11609 (int) CharToPiece(ToLower(currentMoveString[0]));
11611 toX = currentMoveString[2] - AAA;
11612 toY = currentMoveString[3] - ONE;
11618 case GameUnfinished:
11619 if (appData.debugMode)
11620 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11621 p = strchr(yy_text, '{');
11622 if (p == NULL) p = strchr(yy_text, '(');
11625 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11627 q = strchr(p, *p == '{' ? '}' : ')');
11628 if (q != NULL) *q = NULLCHAR;
11631 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11632 GameEnds(moveType, p, GE_FILE);
11634 if (cmailMsgLoaded) {
11636 flipView = WhiteOnMove(currentMove);
11637 if (moveType == GameUnfinished) flipView = !flipView;
11638 if (appData.debugMode)
11639 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11644 if (appData.debugMode)
11645 fprintf(debugFP, "Parser hit end of file\n");
11646 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11652 if (WhiteOnMove(currentMove)) {
11653 GameEnds(BlackWins, "Black mates", GE_FILE);
11655 GameEnds(WhiteWins, "White mates", GE_FILE);
11659 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11665 case MoveNumberOne:
11666 if (lastLoadGameStart == GNUChessGame) {
11667 /* GNUChessGames have numbers, but they aren't move numbers */
11668 if (appData.debugMode)
11669 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11670 yy_text, (int) moveType);
11671 return LoadGameOneMove(EndOfFile); /* tail recursion */
11673 /* else fall thru */
11678 /* Reached start of next game in file */
11679 if (appData.debugMode)
11680 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11681 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11687 if (WhiteOnMove(currentMove)) {
11688 GameEnds(BlackWins, "Black mates", GE_FILE);
11690 GameEnds(WhiteWins, "White mates", GE_FILE);
11694 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11700 case PositionDiagram: /* should not happen; ignore */
11701 case ElapsedTime: /* ignore */
11702 case NAG: /* ignore */
11703 if (appData.debugMode)
11704 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11705 yy_text, (int) moveType);
11706 return LoadGameOneMove(EndOfFile); /* tail recursion */
11709 if (appData.testLegality) {
11710 if (appData.debugMode)
11711 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11712 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11713 (forwardMostMove / 2) + 1,
11714 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11715 DisplayError(move, 0);
11718 if (appData.debugMode)
11719 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11720 yy_text, currentMoveString);
11721 fromX = currentMoveString[0] - AAA;
11722 fromY = currentMoveString[1] - ONE;
11723 toX = currentMoveString[2] - AAA;
11724 toY = currentMoveString[3] - ONE;
11725 promoChar = currentMoveString[4];
11729 case AmbiguousMove:
11730 if (appData.debugMode)
11731 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11732 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11733 (forwardMostMove / 2) + 1,
11734 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11735 DisplayError(move, 0);
11740 case ImpossibleMove:
11741 if (appData.debugMode)
11742 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11743 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11744 (forwardMostMove / 2) + 1,
11745 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11746 DisplayError(move, 0);
11752 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11753 DrawPosition(FALSE, boards[currentMove]);
11754 DisplayBothClocks();
11755 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11756 DisplayComment(currentMove - 1, commentList[currentMove]);
11758 (void) StopLoadGameTimer();
11760 cmailOldMove = forwardMostMove;
11763 /* currentMoveString is set as a side-effect of yylex */
11765 thinkOutput[0] = NULLCHAR;
11766 MakeMove(fromX, fromY, toX, toY, promoChar);
11767 currentMove = forwardMostMove;
11772 /* Load the nth game from the given file */
11774 LoadGameFromFile (char *filename, int n, char *title, int useList)
11779 if (strcmp(filename, "-") == 0) {
11783 f = fopen(filename, "rb");
11785 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11786 DisplayError(buf, errno);
11790 if (fseek(f, 0, 0) == -1) {
11791 /* f is not seekable; probably a pipe */
11794 if (useList && n == 0) {
11795 int error = GameListBuild(f);
11797 DisplayError(_("Cannot build game list"), error);
11798 } else if (!ListEmpty(&gameList) &&
11799 ((ListGame *) gameList.tailPred)->number > 1) {
11800 GameListPopUp(f, title);
11807 return LoadGame(f, n, title, FALSE);
11812 MakeRegisteredMove ()
11814 int fromX, fromY, toX, toY;
11816 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11817 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11820 if (appData.debugMode)
11821 fprintf(debugFP, "Restoring %s for game %d\n",
11822 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11824 thinkOutput[0] = NULLCHAR;
11825 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11826 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11827 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11828 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11829 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11830 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11831 MakeMove(fromX, fromY, toX, toY, promoChar);
11832 ShowMove(fromX, fromY, toX, toY);
11834 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11841 if (WhiteOnMove(currentMove)) {
11842 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11844 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11849 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11856 if (WhiteOnMove(currentMove)) {
11857 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11859 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11864 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11875 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11877 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11881 if (gameNumber > nCmailGames) {
11882 DisplayError(_("No more games in this message"), 0);
11885 if (f == lastLoadGameFP) {
11886 int offset = gameNumber - lastLoadGameNumber;
11888 cmailMsg[0] = NULLCHAR;
11889 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11890 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11891 nCmailMovesRegistered--;
11893 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11894 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11895 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11898 if (! RegisterMove()) return FALSE;
11902 retVal = LoadGame(f, gameNumber, title, useList);
11904 /* Make move registered during previous look at this game, if any */
11905 MakeRegisteredMove();
11907 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11908 commentList[currentMove]
11909 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11910 DisplayComment(currentMove - 1, commentList[currentMove]);
11916 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11918 ReloadGame (int offset)
11920 int gameNumber = lastLoadGameNumber + offset;
11921 if (lastLoadGameFP == NULL) {
11922 DisplayError(_("No game has been loaded yet"), 0);
11925 if (gameNumber <= 0) {
11926 DisplayError(_("Can't back up any further"), 0);
11929 if (cmailMsgLoaded) {
11930 return CmailLoadGame(lastLoadGameFP, gameNumber,
11931 lastLoadGameTitle, lastLoadGameUseList);
11933 return LoadGame(lastLoadGameFP, gameNumber,
11934 lastLoadGameTitle, lastLoadGameUseList);
11938 int keys[EmptySquare+1];
11941 PositionMatches (Board b1, Board b2)
11944 switch(appData.searchMode) {
11945 case 1: return CompareWithRights(b1, b2);
11947 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11948 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11952 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11953 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11954 sum += keys[b1[r][f]] - keys[b2[r][f]];
11958 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11959 sum += keys[b1[r][f]] - keys[b2[r][f]];
11971 int pieceList[256], quickBoard[256];
11972 ChessSquare pieceType[256] = { EmptySquare };
11973 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11974 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11975 int soughtTotal, turn;
11976 Boolean epOK, flipSearch;
11979 unsigned char piece, to;
11982 #define DSIZE (250000)
11984 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11985 Move *moveDatabase = initialSpace;
11986 unsigned int movePtr, dataSize = DSIZE;
11989 MakePieceList (Board board, int *counts)
11991 int r, f, n=Q_PROMO, total=0;
11992 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11993 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11994 int sq = f + (r<<4);
11995 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11996 quickBoard[sq] = ++n;
11998 pieceType[n] = board[r][f];
11999 counts[board[r][f]]++;
12000 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12001 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12005 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12010 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12012 int sq = fromX + (fromY<<4);
12013 int piece = quickBoard[sq];
12014 quickBoard[sq] = 0;
12015 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12016 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12017 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12018 moveDatabase[movePtr++].piece = Q_WCASTL;
12019 quickBoard[sq] = piece;
12020 piece = quickBoard[from]; quickBoard[from] = 0;
12021 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12023 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12024 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12025 moveDatabase[movePtr++].piece = Q_BCASTL;
12026 quickBoard[sq] = piece;
12027 piece = quickBoard[from]; quickBoard[from] = 0;
12028 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12030 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12031 quickBoard[(fromY<<4)+toX] = 0;
12032 moveDatabase[movePtr].piece = Q_EP;
12033 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12034 moveDatabase[movePtr].to = sq;
12036 if(promoPiece != pieceType[piece]) {
12037 moveDatabase[movePtr++].piece = Q_PROMO;
12038 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12040 moveDatabase[movePtr].piece = piece;
12041 quickBoard[sq] = piece;
12046 PackGame (Board board)
12048 Move *newSpace = NULL;
12049 moveDatabase[movePtr].piece = 0; // terminate previous game
12050 if(movePtr > dataSize) {
12051 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12052 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12053 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12056 Move *p = moveDatabase, *q = newSpace;
12057 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12058 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12059 moveDatabase = newSpace;
12060 } else { // calloc failed, we must be out of memory. Too bad...
12061 dataSize = 0; // prevent calloc events for all subsequent games
12062 return 0; // and signal this one isn't cached
12066 MakePieceList(board, counts);
12071 QuickCompare (Board board, int *minCounts, int *maxCounts)
12072 { // compare according to search mode
12074 switch(appData.searchMode)
12076 case 1: // exact position match
12077 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12078 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12079 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12082 case 2: // can have extra material on empty squares
12083 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12084 if(board[r][f] == EmptySquare) continue;
12085 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12088 case 3: // material with exact Pawn structure
12089 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12090 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12091 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12092 } // fall through to material comparison
12093 case 4: // exact material
12094 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12096 case 6: // material range with given imbalance
12097 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12098 // fall through to range comparison
12099 case 5: // material range
12100 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12106 QuickScan (Board board, Move *move)
12107 { // reconstruct game,and compare all positions in it
12108 int cnt=0, stretch=0, total = MakePieceList(board, counts);
12110 int piece = move->piece;
12111 int to = move->to, from = pieceList[piece];
12112 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12113 if(!piece) return -1;
12114 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12115 piece = (++move)->piece;
12116 from = pieceList[piece];
12117 counts[pieceType[piece]]--;
12118 pieceType[piece] = (ChessSquare) move->to;
12119 counts[move->to]++;
12120 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12121 counts[pieceType[quickBoard[to]]]--;
12122 quickBoard[to] = 0; total--;
12125 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12126 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12127 from = pieceList[piece]; // so this must be King
12128 quickBoard[from] = 0;
12129 pieceList[piece] = to;
12130 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12131 quickBoard[from] = 0; // rook
12132 quickBoard[to] = piece;
12133 to = move->to; piece = move->piece;
12137 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12138 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
12139 quickBoard[from] = 0;
12141 quickBoard[to] = piece;
12142 pieceList[piece] = to;
12144 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12145 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12146 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12147 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12149 static int lastCounts[EmptySquare+1];
12151 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12152 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12153 } else stretch = 0;
12154 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
12163 flipSearch = FALSE;
12164 CopyBoard(soughtBoard, boards[currentMove]);
12165 soughtTotal = MakePieceList(soughtBoard, maxSought);
12166 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12167 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12168 CopyBoard(reverseBoard, boards[currentMove]);
12169 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12170 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12171 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12172 reverseBoard[r][f] = piece;
12174 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12175 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12176 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12177 || (boards[currentMove][CASTLING][2] == NoRights ||
12178 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12179 && (boards[currentMove][CASTLING][5] == NoRights ||
12180 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12183 CopyBoard(flipBoard, soughtBoard);
12184 CopyBoard(rotateBoard, reverseBoard);
12185 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12186 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12187 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12190 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12191 if(appData.searchMode >= 5) {
12192 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12193 MakePieceList(soughtBoard, minSought);
12194 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12196 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12197 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12200 GameInfo dummyInfo;
12201 static int creatingBook;
12204 GameContainsPosition (FILE *f, ListGame *lg)
12206 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12207 int fromX, fromY, toX, toY;
12209 static int initDone=FALSE;
12211 // weed out games based on numerical tag comparison
12212 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12213 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12214 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12215 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12217 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12220 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12221 else CopyBoard(boards[scratch], initialPosition); // default start position
12224 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12225 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12228 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12229 fseek(f, lg->offset, 0);
12232 yyboardindex = scratch;
12233 quickFlag = plyNr+1;
12238 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12244 if(plyNr) return -1; // after we have seen moves, this is for new game
12247 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12248 case ImpossibleMove:
12249 case WhiteWins: // game ends here with these four
12252 case GameUnfinished:
12256 if(appData.testLegality) return -1;
12257 case WhiteCapturesEnPassant:
12258 case BlackCapturesEnPassant:
12259 case WhitePromotion:
12260 case BlackPromotion:
12261 case WhiteNonPromotion:
12262 case BlackNonPromotion:
12265 case WhiteKingSideCastle:
12266 case WhiteQueenSideCastle:
12267 case BlackKingSideCastle:
12268 case BlackQueenSideCastle:
12269 case WhiteKingSideCastleWild:
12270 case WhiteQueenSideCastleWild:
12271 case BlackKingSideCastleWild:
12272 case BlackQueenSideCastleWild:
12273 case WhiteHSideCastleFR:
12274 case WhiteASideCastleFR:
12275 case BlackHSideCastleFR:
12276 case BlackASideCastleFR:
12277 fromX = currentMoveString[0] - AAA;
12278 fromY = currentMoveString[1] - ONE;
12279 toX = currentMoveString[2] - AAA;
12280 toY = currentMoveString[3] - ONE;
12281 promoChar = currentMoveString[4];
12285 fromX = next == WhiteDrop ?
12286 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12287 (int) CharToPiece(ToLower(currentMoveString[0]));
12289 toX = currentMoveString[2] - AAA;
12290 toY = currentMoveString[3] - ONE;
12294 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12296 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12297 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12298 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12299 if(appData.findMirror) {
12300 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12301 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12306 /* Load the nth game from open file f */
12308 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12312 int gn = gameNumber;
12313 ListGame *lg = NULL;
12314 int numPGNTags = 0;
12316 GameMode oldGameMode;
12317 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12319 if (appData.debugMode)
12320 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12322 if (gameMode == Training )
12323 SetTrainingModeOff();
12325 oldGameMode = gameMode;
12326 if (gameMode != BeginningOfGame) {
12327 Reset(FALSE, TRUE);
12329 killX = killY = -1; // [HGM] lion: in case we did not Reset
12332 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12333 fclose(lastLoadGameFP);
12337 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12340 fseek(f, lg->offset, 0);
12341 GameListHighlight(gameNumber);
12342 pos = lg->position;
12346 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12347 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12349 DisplayError(_("Game number out of range"), 0);
12354 if (fseek(f, 0, 0) == -1) {
12355 if (f == lastLoadGameFP ?
12356 gameNumber == lastLoadGameNumber + 1 :
12360 DisplayError(_("Can't seek on game file"), 0);
12365 lastLoadGameFP = f;
12366 lastLoadGameNumber = gameNumber;
12367 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12368 lastLoadGameUseList = useList;
12372 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12373 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12374 lg->gameInfo.black);
12376 } else if (*title != NULLCHAR) {
12377 if (gameNumber > 1) {
12378 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12381 DisplayTitle(title);
12385 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12386 gameMode = PlayFromGameFile;
12390 currentMove = forwardMostMove = backwardMostMove = 0;
12391 CopyBoard(boards[0], initialPosition);
12395 * Skip the first gn-1 games in the file.
12396 * Also skip over anything that precedes an identifiable
12397 * start of game marker, to avoid being confused by
12398 * garbage at the start of the file. Currently
12399 * recognized start of game markers are the move number "1",
12400 * the pattern "gnuchess .* game", the pattern
12401 * "^[#;%] [^ ]* game file", and a PGN tag block.
12402 * A game that starts with one of the latter two patterns
12403 * will also have a move number 1, possibly
12404 * following a position diagram.
12405 * 5-4-02: Let's try being more lenient and allowing a game to
12406 * start with an unnumbered move. Does that break anything?
12408 cm = lastLoadGameStart = EndOfFile;
12410 yyboardindex = forwardMostMove;
12411 cm = (ChessMove) Myylex();
12414 if (cmailMsgLoaded) {
12415 nCmailGames = CMAIL_MAX_GAMES - gn;
12418 DisplayError(_("Game not found in file"), 0);
12425 lastLoadGameStart = cm;
12428 case MoveNumberOne:
12429 switch (lastLoadGameStart) {
12434 case MoveNumberOne:
12436 gn--; /* count this game */
12437 lastLoadGameStart = cm;
12446 switch (lastLoadGameStart) {
12449 case MoveNumberOne:
12451 gn--; /* count this game */
12452 lastLoadGameStart = cm;
12455 lastLoadGameStart = cm; /* game counted already */
12463 yyboardindex = forwardMostMove;
12464 cm = (ChessMove) Myylex();
12465 } while (cm == PGNTag || cm == Comment);
12472 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12473 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12474 != CMAIL_OLD_RESULT) {
12476 cmailResult[ CMAIL_MAX_GAMES
12477 - gn - 1] = CMAIL_OLD_RESULT;
12484 /* Only a NormalMove can be at the start of a game
12485 * without a position diagram. */
12486 if (lastLoadGameStart == EndOfFile ) {
12488 lastLoadGameStart = MoveNumberOne;
12497 if (appData.debugMode)
12498 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12500 if (cm == XBoardGame) {
12501 /* Skip any header junk before position diagram and/or move 1 */
12503 yyboardindex = forwardMostMove;
12504 cm = (ChessMove) Myylex();
12506 if (cm == EndOfFile ||
12507 cm == GNUChessGame || cm == XBoardGame) {
12508 /* Empty game; pretend end-of-file and handle later */
12513 if (cm == MoveNumberOne || cm == PositionDiagram ||
12514 cm == PGNTag || cm == Comment)
12517 } else if (cm == GNUChessGame) {
12518 if (gameInfo.event != NULL) {
12519 free(gameInfo.event);
12521 gameInfo.event = StrSave(yy_text);
12524 startedFromSetupPosition = FALSE;
12525 while (cm == PGNTag) {
12526 if (appData.debugMode)
12527 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12528 err = ParsePGNTag(yy_text, &gameInfo);
12529 if (!err) numPGNTags++;
12531 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12532 if(gameInfo.variant != oldVariant) {
12533 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12534 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12535 InitPosition(TRUE);
12536 oldVariant = gameInfo.variant;
12537 if (appData.debugMode)
12538 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12542 if (gameInfo.fen != NULL) {
12543 Board initial_position;
12544 startedFromSetupPosition = TRUE;
12545 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12547 DisplayError(_("Bad FEN position in file"), 0);
12550 CopyBoard(boards[0], initial_position);
12551 if (blackPlaysFirst) {
12552 currentMove = forwardMostMove = backwardMostMove = 1;
12553 CopyBoard(boards[1], initial_position);
12554 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12555 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12556 timeRemaining[0][1] = whiteTimeRemaining;
12557 timeRemaining[1][1] = blackTimeRemaining;
12558 if (commentList[0] != NULL) {
12559 commentList[1] = commentList[0];
12560 commentList[0] = NULL;
12563 currentMove = forwardMostMove = backwardMostMove = 0;
12565 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12567 initialRulePlies = FENrulePlies;
12568 for( i=0; i< nrCastlingRights; i++ )
12569 initialRights[i] = initial_position[CASTLING][i];
12571 yyboardindex = forwardMostMove;
12572 free(gameInfo.fen);
12573 gameInfo.fen = NULL;
12576 yyboardindex = forwardMostMove;
12577 cm = (ChessMove) Myylex();
12579 /* Handle comments interspersed among the tags */
12580 while (cm == Comment) {
12582 if (appData.debugMode)
12583 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12585 AppendComment(currentMove, p, FALSE);
12586 yyboardindex = forwardMostMove;
12587 cm = (ChessMove) Myylex();
12591 /* don't rely on existence of Event tag since if game was
12592 * pasted from clipboard the Event tag may not exist
12594 if (numPGNTags > 0){
12596 if (gameInfo.variant == VariantNormal) {
12597 VariantClass v = StringToVariant(gameInfo.event);
12598 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12599 if(v < VariantShogi) gameInfo.variant = v;
12602 if( appData.autoDisplayTags ) {
12603 tags = PGNTags(&gameInfo);
12604 TagsPopUp(tags, CmailMsg());
12609 /* Make something up, but don't display it now */
12614 if (cm == PositionDiagram) {
12617 Board initial_position;
12619 if (appData.debugMode)
12620 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12622 if (!startedFromSetupPosition) {
12624 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12625 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12636 initial_position[i][j++] = CharToPiece(*p);
12639 while (*p == ' ' || *p == '\t' ||
12640 *p == '\n' || *p == '\r') p++;
12642 if (strncmp(p, "black", strlen("black"))==0)
12643 blackPlaysFirst = TRUE;
12645 blackPlaysFirst = FALSE;
12646 startedFromSetupPosition = TRUE;
12648 CopyBoard(boards[0], initial_position);
12649 if (blackPlaysFirst) {
12650 currentMove = forwardMostMove = backwardMostMove = 1;
12651 CopyBoard(boards[1], initial_position);
12652 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12653 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12654 timeRemaining[0][1] = whiteTimeRemaining;
12655 timeRemaining[1][1] = blackTimeRemaining;
12656 if (commentList[0] != NULL) {
12657 commentList[1] = commentList[0];
12658 commentList[0] = NULL;
12661 currentMove = forwardMostMove = backwardMostMove = 0;
12664 yyboardindex = forwardMostMove;
12665 cm = (ChessMove) Myylex();
12668 if(!creatingBook) {
12669 if (first.pr == NoProc) {
12670 StartChessProgram(&first);
12672 InitChessProgram(&first, FALSE);
12673 SendToProgram("force\n", &first);
12674 if (startedFromSetupPosition) {
12675 SendBoard(&first, forwardMostMove);
12676 if (appData.debugMode) {
12677 fprintf(debugFP, "Load Game\n");
12679 DisplayBothClocks();
12683 /* [HGM] server: flag to write setup moves in broadcast file as one */
12684 loadFlag = appData.suppressLoadMoves;
12686 while (cm == Comment) {
12688 if (appData.debugMode)
12689 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12691 AppendComment(currentMove, p, FALSE);
12692 yyboardindex = forwardMostMove;
12693 cm = (ChessMove) Myylex();
12696 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12697 cm == WhiteWins || cm == BlackWins ||
12698 cm == GameIsDrawn || cm == GameUnfinished) {
12699 DisplayMessage("", _("No moves in game"));
12700 if (cmailMsgLoaded) {
12701 if (appData.debugMode)
12702 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12706 DrawPosition(FALSE, boards[currentMove]);
12707 DisplayBothClocks();
12708 gameMode = EditGame;
12715 // [HGM] PV info: routine tests if comment empty
12716 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12717 DisplayComment(currentMove - 1, commentList[currentMove]);
12719 if (!matchMode && appData.timeDelay != 0)
12720 DrawPosition(FALSE, boards[currentMove]);
12722 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12723 programStats.ok_to_send = 1;
12726 /* if the first token after the PGN tags is a move
12727 * and not move number 1, retrieve it from the parser
12729 if (cm != MoveNumberOne)
12730 LoadGameOneMove(cm);
12732 /* load the remaining moves from the file */
12733 while (LoadGameOneMove(EndOfFile)) {
12734 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12735 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12738 /* rewind to the start of the game */
12739 currentMove = backwardMostMove;
12741 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12743 if (oldGameMode == AnalyzeFile) {
12744 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12745 AnalyzeFileEvent();
12747 if (oldGameMode == AnalyzeMode) {
12748 AnalyzeFileEvent();
12751 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
12752 long int w, b; // [HGM] adjourn: restore saved clock times
12753 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
12754 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
12755 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
12756 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
12760 if(creatingBook) return TRUE;
12761 if (!matchMode && pos > 0) {
12762 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12764 if (matchMode || appData.timeDelay == 0) {
12766 } else if (appData.timeDelay > 0) {
12767 AutoPlayGameLoop();
12770 if (appData.debugMode)
12771 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12773 loadFlag = 0; /* [HGM] true game starts */
12777 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12779 ReloadPosition (int offset)
12781 int positionNumber = lastLoadPositionNumber + offset;
12782 if (lastLoadPositionFP == NULL) {
12783 DisplayError(_("No position has been loaded yet"), 0);
12786 if (positionNumber <= 0) {
12787 DisplayError(_("Can't back up any further"), 0);
12790 return LoadPosition(lastLoadPositionFP, positionNumber,
12791 lastLoadPositionTitle);
12794 /* Load the nth position from the given file */
12796 LoadPositionFromFile (char *filename, int n, char *title)
12801 if (strcmp(filename, "-") == 0) {
12802 return LoadPosition(stdin, n, "stdin");
12804 f = fopen(filename, "rb");
12806 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12807 DisplayError(buf, errno);
12810 return LoadPosition(f, n, title);
12815 /* Load the nth position from the given open file, and close it */
12817 LoadPosition (FILE *f, int positionNumber, char *title)
12819 char *p, line[MSG_SIZ];
12820 Board initial_position;
12821 int i, j, fenMode, pn;
12823 if (gameMode == Training )
12824 SetTrainingModeOff();
12826 if (gameMode != BeginningOfGame) {
12827 Reset(FALSE, TRUE);
12829 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12830 fclose(lastLoadPositionFP);
12832 if (positionNumber == 0) positionNumber = 1;
12833 lastLoadPositionFP = f;
12834 lastLoadPositionNumber = positionNumber;
12835 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12836 if (first.pr == NoProc && !appData.noChessProgram) {
12837 StartChessProgram(&first);
12838 InitChessProgram(&first, FALSE);
12840 pn = positionNumber;
12841 if (positionNumber < 0) {
12842 /* Negative position number means to seek to that byte offset */
12843 if (fseek(f, -positionNumber, 0) == -1) {
12844 DisplayError(_("Can't seek on position file"), 0);
12849 if (fseek(f, 0, 0) == -1) {
12850 if (f == lastLoadPositionFP ?
12851 positionNumber == lastLoadPositionNumber + 1 :
12852 positionNumber == 1) {
12855 DisplayError(_("Can't seek on position file"), 0);
12860 /* See if this file is FEN or old-style xboard */
12861 if (fgets(line, MSG_SIZ, f) == NULL) {
12862 DisplayError(_("Position not found in file"), 0);
12865 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12866 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12869 if (fenMode || line[0] == '#') pn--;
12871 /* skip positions before number pn */
12872 if (fgets(line, MSG_SIZ, f) == NULL) {
12874 DisplayError(_("Position not found in file"), 0);
12877 if (fenMode || line[0] == '#') pn--;
12882 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
12883 DisplayError(_("Bad FEN position in file"), 0);
12887 (void) fgets(line, MSG_SIZ, f);
12888 (void) fgets(line, MSG_SIZ, f);
12890 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12891 (void) fgets(line, MSG_SIZ, f);
12892 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12895 initial_position[i][j++] = CharToPiece(*p);
12899 blackPlaysFirst = FALSE;
12901 (void) fgets(line, MSG_SIZ, f);
12902 if (strncmp(line, "black", strlen("black"))==0)
12903 blackPlaysFirst = TRUE;
12906 startedFromSetupPosition = TRUE;
12908 CopyBoard(boards[0], initial_position);
12909 if (blackPlaysFirst) {
12910 currentMove = forwardMostMove = backwardMostMove = 1;
12911 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12912 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12913 CopyBoard(boards[1], initial_position);
12914 DisplayMessage("", _("Black to play"));
12916 currentMove = forwardMostMove = backwardMostMove = 0;
12917 DisplayMessage("", _("White to play"));
12919 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12920 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12921 SendToProgram("force\n", &first);
12922 SendBoard(&first, forwardMostMove);
12924 if (appData.debugMode) {
12926 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12927 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12928 fprintf(debugFP, "Load Position\n");
12931 if (positionNumber > 1) {
12932 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12933 DisplayTitle(line);
12935 DisplayTitle(title);
12937 gameMode = EditGame;
12940 timeRemaining[0][1] = whiteTimeRemaining;
12941 timeRemaining[1][1] = blackTimeRemaining;
12942 DrawPosition(FALSE, boards[currentMove]);
12949 CopyPlayerNameIntoFileName (char **dest, char *src)
12951 while (*src != NULLCHAR && *src != ',') {
12956 *(*dest)++ = *src++;
12962 DefaultFileName (char *ext)
12964 static char def[MSG_SIZ];
12967 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12969 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12971 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12973 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12980 /* Save the current game to the given file */
12982 SaveGameToFile (char *filename, int append)
12986 int result, i, t,tot=0;
12988 if (strcmp(filename, "-") == 0) {
12989 return SaveGame(stdout, 0, NULL);
12991 for(i=0; i<10; i++) { // upto 10 tries
12992 f = fopen(filename, append ? "a" : "w");
12993 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12994 if(f || errno != 13) break;
12995 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12999 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13000 DisplayError(buf, errno);
13003 safeStrCpy(buf, lastMsg, MSG_SIZ);
13004 DisplayMessage(_("Waiting for access to save file"), "");
13005 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13006 DisplayMessage(_("Saving game"), "");
13007 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13008 result = SaveGame(f, 0, NULL);
13009 DisplayMessage(buf, "");
13016 SavePart (char *str)
13018 static char buf[MSG_SIZ];
13021 p = strchr(str, ' ');
13022 if (p == NULL) return str;
13023 strncpy(buf, str, p - str);
13024 buf[p - str] = NULLCHAR;
13028 #define PGN_MAX_LINE 75
13030 #define PGN_SIDE_WHITE 0
13031 #define PGN_SIDE_BLACK 1
13034 FindFirstMoveOutOfBook (int side)
13038 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13039 int index = backwardMostMove;
13040 int has_book_hit = 0;
13042 if( (index % 2) != side ) {
13046 while( index < forwardMostMove ) {
13047 /* Check to see if engine is in book */
13048 int depth = pvInfoList[index].depth;
13049 int score = pvInfoList[index].score;
13055 else if( score == 0 && depth == 63 ) {
13056 in_book = 1; /* Zappa */
13058 else if( score == 2 && depth == 99 ) {
13059 in_book = 1; /* Abrok */
13062 has_book_hit += in_book;
13078 GetOutOfBookInfo (char * buf)
13082 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13084 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13085 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13089 if( oob[0] >= 0 || oob[1] >= 0 ) {
13090 for( i=0; i<2; i++ ) {
13094 if( i > 0 && oob[0] >= 0 ) {
13095 strcat( buf, " " );
13098 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13099 sprintf( buf+strlen(buf), "%s%.2f",
13100 pvInfoList[idx].score >= 0 ? "+" : "",
13101 pvInfoList[idx].score / 100.0 );
13107 /* Save game in PGN style and close the file */
13109 SaveGamePGN (FILE *f)
13111 int i, offset, linelen, newblock;
13114 int movelen, numlen, blank;
13115 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13117 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13119 PrintPGNTags(f, &gameInfo);
13121 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13123 if (backwardMostMove > 0 || startedFromSetupPosition) {
13124 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13125 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13126 fprintf(f, "\n{--------------\n");
13127 PrintPosition(f, backwardMostMove);
13128 fprintf(f, "--------------}\n");
13132 /* [AS] Out of book annotation */
13133 if( appData.saveOutOfBookInfo ) {
13136 GetOutOfBookInfo( buf );
13138 if( buf[0] != '\0' ) {
13139 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13146 i = backwardMostMove;
13150 while (i < forwardMostMove) {
13151 /* Print comments preceding this move */
13152 if (commentList[i] != NULL) {
13153 if (linelen > 0) fprintf(f, "\n");
13154 fprintf(f, "%s", commentList[i]);
13159 /* Format move number */
13161 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13164 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13166 numtext[0] = NULLCHAR;
13168 numlen = strlen(numtext);
13171 /* Print move number */
13172 blank = linelen > 0 && numlen > 0;
13173 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13182 fprintf(f, "%s", numtext);
13186 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13187 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13190 blank = linelen > 0 && movelen > 0;
13191 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13200 fprintf(f, "%s", move_buffer);
13201 linelen += movelen;
13203 /* [AS] Add PV info if present */
13204 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13205 /* [HGM] add time */
13206 char buf[MSG_SIZ]; int seconds;
13208 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13214 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13217 seconds = (seconds + 4)/10; // round to full seconds
13219 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13221 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13224 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13225 pvInfoList[i].score >= 0 ? "+" : "",
13226 pvInfoList[i].score / 100.0,
13227 pvInfoList[i].depth,
13230 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13232 /* Print score/depth */
13233 blank = linelen > 0 && movelen > 0;
13234 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13243 fprintf(f, "%s", move_buffer);
13244 linelen += movelen;
13250 /* Start a new line */
13251 if (linelen > 0) fprintf(f, "\n");
13253 /* Print comments after last move */
13254 if (commentList[i] != NULL) {
13255 fprintf(f, "%s\n", commentList[i]);
13259 if (gameInfo.resultDetails != NULL &&
13260 gameInfo.resultDetails[0] != NULLCHAR) {
13261 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13262 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13263 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13264 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13265 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13267 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13271 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13275 /* Save game in old style and close the file */
13277 SaveGameOldStyle (FILE *f)
13282 tm = time((time_t *) NULL);
13284 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13287 if (backwardMostMove > 0 || startedFromSetupPosition) {
13288 fprintf(f, "\n[--------------\n");
13289 PrintPosition(f, backwardMostMove);
13290 fprintf(f, "--------------]\n");
13295 i = backwardMostMove;
13296 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13298 while (i < forwardMostMove) {
13299 if (commentList[i] != NULL) {
13300 fprintf(f, "[%s]\n", commentList[i]);
13303 if ((i % 2) == 1) {
13304 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13307 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13309 if (commentList[i] != NULL) {
13313 if (i >= forwardMostMove) {
13317 fprintf(f, "%s\n", parseList[i]);
13322 if (commentList[i] != NULL) {
13323 fprintf(f, "[%s]\n", commentList[i]);
13326 /* This isn't really the old style, but it's close enough */
13327 if (gameInfo.resultDetails != NULL &&
13328 gameInfo.resultDetails[0] != NULLCHAR) {
13329 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13330 gameInfo.resultDetails);
13332 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13339 /* Save the current game to open file f and close the file */
13341 SaveGame (FILE *f, int dummy, char *dummy2)
13343 if (gameMode == EditPosition) EditPositionDone(TRUE);
13344 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13345 if (appData.oldSaveStyle)
13346 return SaveGameOldStyle(f);
13348 return SaveGamePGN(f);
13351 /* Save the current position to the given file */
13353 SavePositionToFile (char *filename)
13358 if (strcmp(filename, "-") == 0) {
13359 return SavePosition(stdout, 0, NULL);
13361 f = fopen(filename, "a");
13363 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13364 DisplayError(buf, errno);
13367 safeStrCpy(buf, lastMsg, MSG_SIZ);
13368 DisplayMessage(_("Waiting for access to save file"), "");
13369 flock(fileno(f), LOCK_EX); // [HGM] lock
13370 DisplayMessage(_("Saving position"), "");
13371 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13372 SavePosition(f, 0, NULL);
13373 DisplayMessage(buf, "");
13379 /* Save the current position to the given open file and close the file */
13381 SavePosition (FILE *f, int dummy, char *dummy2)
13386 if (gameMode == EditPosition) EditPositionDone(TRUE);
13387 if (appData.oldSaveStyle) {
13388 tm = time((time_t *) NULL);
13390 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13392 fprintf(f, "[--------------\n");
13393 PrintPosition(f, currentMove);
13394 fprintf(f, "--------------]\n");
13396 fen = PositionToFEN(currentMove, NULL, 1);
13397 fprintf(f, "%s\n", fen);
13405 ReloadCmailMsgEvent (int unregister)
13408 static char *inFilename = NULL;
13409 static char *outFilename;
13411 struct stat inbuf, outbuf;
13414 /* Any registered moves are unregistered if unregister is set, */
13415 /* i.e. invoked by the signal handler */
13417 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13418 cmailMoveRegistered[i] = FALSE;
13419 if (cmailCommentList[i] != NULL) {
13420 free(cmailCommentList[i]);
13421 cmailCommentList[i] = NULL;
13424 nCmailMovesRegistered = 0;
13427 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13428 cmailResult[i] = CMAIL_NOT_RESULT;
13432 if (inFilename == NULL) {
13433 /* Because the filenames are static they only get malloced once */
13434 /* and they never get freed */
13435 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13436 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13438 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13439 sprintf(outFilename, "%s.out", appData.cmailGameName);
13442 status = stat(outFilename, &outbuf);
13444 cmailMailedMove = FALSE;
13446 status = stat(inFilename, &inbuf);
13447 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13450 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13451 counts the games, notes how each one terminated, etc.
13453 It would be nice to remove this kludge and instead gather all
13454 the information while building the game list. (And to keep it
13455 in the game list nodes instead of having a bunch of fixed-size
13456 parallel arrays.) Note this will require getting each game's
13457 termination from the PGN tags, as the game list builder does
13458 not process the game moves. --mann
13460 cmailMsgLoaded = TRUE;
13461 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13463 /* Load first game in the file or popup game menu */
13464 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13466 #endif /* !WIN32 */
13474 char string[MSG_SIZ];
13476 if ( cmailMailedMove
13477 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13478 return TRUE; /* Allow free viewing */
13481 /* Unregister move to ensure that we don't leave RegisterMove */
13482 /* with the move registered when the conditions for registering no */
13484 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13485 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13486 nCmailMovesRegistered --;
13488 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13490 free(cmailCommentList[lastLoadGameNumber - 1]);
13491 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13495 if (cmailOldMove == -1) {
13496 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13500 if (currentMove > cmailOldMove + 1) {
13501 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13505 if (currentMove < cmailOldMove) {
13506 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13510 if (forwardMostMove > currentMove) {
13511 /* Silently truncate extra moves */
13515 if ( (currentMove == cmailOldMove + 1)
13516 || ( (currentMove == cmailOldMove)
13517 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13518 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13519 if (gameInfo.result != GameUnfinished) {
13520 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13523 if (commentList[currentMove] != NULL) {
13524 cmailCommentList[lastLoadGameNumber - 1]
13525 = StrSave(commentList[currentMove]);
13527 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13529 if (appData.debugMode)
13530 fprintf(debugFP, "Saving %s for game %d\n",
13531 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13533 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13535 f = fopen(string, "w");
13536 if (appData.oldSaveStyle) {
13537 SaveGameOldStyle(f); /* also closes the file */
13539 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13540 f = fopen(string, "w");
13541 SavePosition(f, 0, NULL); /* also closes the file */
13543 fprintf(f, "{--------------\n");
13544 PrintPosition(f, currentMove);
13545 fprintf(f, "--------------}\n\n");
13547 SaveGame(f, 0, NULL); /* also closes the file*/
13550 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13551 nCmailMovesRegistered ++;
13552 } else if (nCmailGames == 1) {
13553 DisplayError(_("You have not made a move yet"), 0);
13564 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13565 FILE *commandOutput;
13566 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13567 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13573 if (! cmailMsgLoaded) {
13574 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13578 if (nCmailGames == nCmailResults) {
13579 DisplayError(_("No unfinished games"), 0);
13583 #if CMAIL_PROHIBIT_REMAIL
13584 if (cmailMailedMove) {
13585 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);
13586 DisplayError(msg, 0);
13591 if (! (cmailMailedMove || RegisterMove())) return;
13593 if ( cmailMailedMove
13594 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13595 snprintf(string, MSG_SIZ, partCommandString,
13596 appData.debugMode ? " -v" : "", appData.cmailGameName);
13597 commandOutput = popen(string, "r");
13599 if (commandOutput == NULL) {
13600 DisplayError(_("Failed to invoke cmail"), 0);
13602 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13603 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13605 if (nBuffers > 1) {
13606 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13607 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13608 nBytes = MSG_SIZ - 1;
13610 (void) memcpy(msg, buffer, nBytes);
13612 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13614 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13615 cmailMailedMove = TRUE; /* Prevent >1 moves */
13618 for (i = 0; i < nCmailGames; i ++) {
13619 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13624 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13626 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13628 appData.cmailGameName,
13630 LoadGameFromFile(buffer, 1, buffer, FALSE);
13631 cmailMsgLoaded = FALSE;
13635 DisplayInformation(msg);
13636 pclose(commandOutput);
13639 if ((*cmailMsg) != '\0') {
13640 DisplayInformation(cmailMsg);
13645 #endif /* !WIN32 */
13654 int prependComma = 0;
13656 char string[MSG_SIZ]; /* Space for game-list */
13659 if (!cmailMsgLoaded) return "";
13661 if (cmailMailedMove) {
13662 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13664 /* Create a list of games left */
13665 snprintf(string, MSG_SIZ, "[");
13666 for (i = 0; i < nCmailGames; i ++) {
13667 if (! ( cmailMoveRegistered[i]
13668 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13669 if (prependComma) {
13670 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13672 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13676 strcat(string, number);
13679 strcat(string, "]");
13681 if (nCmailMovesRegistered + nCmailResults == 0) {
13682 switch (nCmailGames) {
13684 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13688 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13692 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13697 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13699 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13704 if (nCmailResults == nCmailGames) {
13705 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13707 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13712 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13724 if (gameMode == Training)
13725 SetTrainingModeOff();
13728 cmailMsgLoaded = FALSE;
13729 if (appData.icsActive) {
13730 SendToICS(ics_prefix);
13731 SendToICS("refresh\n");
13736 ExitEvent (int status)
13740 /* Give up on clean exit */
13744 /* Keep trying for clean exit */
13748 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13750 if (telnetISR != NULL) {
13751 RemoveInputSource(telnetISR);
13753 if (icsPR != NoProc) {
13754 DestroyChildProcess(icsPR, TRUE);
13757 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13758 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13760 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13761 /* make sure this other one finishes before killing it! */
13762 if(endingGame) { int count = 0;
13763 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13764 while(endingGame && count++ < 10) DoSleep(1);
13765 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13768 /* Kill off chess programs */
13769 if (first.pr != NoProc) {
13772 DoSleep( appData.delayBeforeQuit );
13773 SendToProgram("quit\n", &first);
13774 DoSleep( appData.delayAfterQuit );
13775 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13777 if (second.pr != NoProc) {
13778 DoSleep( appData.delayBeforeQuit );
13779 SendToProgram("quit\n", &second);
13780 DoSleep( appData.delayAfterQuit );
13781 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13783 if (first.isr != NULL) {
13784 RemoveInputSource(first.isr);
13786 if (second.isr != NULL) {
13787 RemoveInputSource(second.isr);
13790 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13791 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13793 ShutDownFrontEnd();
13798 PauseEngine (ChessProgramState *cps)
13800 SendToProgram("pause\n", cps);
13805 UnPauseEngine (ChessProgramState *cps)
13807 SendToProgram("resume\n", cps);
13814 if (appData.debugMode)
13815 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13819 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13821 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13822 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13823 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13825 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13826 HandleMachineMove(stashedInputMove, stalledEngine);
13827 stalledEngine = NULL;
13830 if (gameMode == MachinePlaysWhite ||
13831 gameMode == TwoMachinesPlay ||
13832 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13833 if(first.pause) UnPauseEngine(&first);
13834 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13835 if(second.pause) UnPauseEngine(&second);
13836 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13839 DisplayBothClocks();
13841 if (gameMode == PlayFromGameFile) {
13842 if (appData.timeDelay >= 0)
13843 AutoPlayGameLoop();
13844 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13845 Reset(FALSE, TRUE);
13846 SendToICS(ics_prefix);
13847 SendToICS("refresh\n");
13848 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13849 ForwardInner(forwardMostMove);
13851 pauseExamInvalid = FALSE;
13853 switch (gameMode) {
13857 pauseExamForwardMostMove = forwardMostMove;
13858 pauseExamInvalid = FALSE;
13861 case IcsPlayingWhite:
13862 case IcsPlayingBlack:
13866 case PlayFromGameFile:
13867 (void) StopLoadGameTimer();
13871 case BeginningOfGame:
13872 if (appData.icsActive) return;
13873 /* else fall through */
13874 case MachinePlaysWhite:
13875 case MachinePlaysBlack:
13876 case TwoMachinesPlay:
13877 if (forwardMostMove == 0)
13878 return; /* don't pause if no one has moved */
13879 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13880 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13881 if(onMove->pause) { // thinking engine can be paused
13882 PauseEngine(onMove); // do it
13883 if(onMove->other->pause) // pondering opponent can always be paused immediately
13884 PauseEngine(onMove->other);
13886 SendToProgram("easy\n", onMove->other);
13888 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13889 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13891 PauseEngine(&first);
13893 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13894 } else { // human on move, pause pondering by either method
13896 PauseEngine(&first);
13897 else if(appData.ponderNextMove)
13898 SendToProgram("easy\n", &first);
13901 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13911 EditCommentEvent ()
13913 char title[MSG_SIZ];
13915 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13916 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13918 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13919 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13920 parseList[currentMove - 1]);
13923 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13930 char *tags = PGNTags(&gameInfo);
13932 EditTagsPopUp(tags, NULL);
13939 if(second.analyzing) {
13940 SendToProgram("exit\n", &second);
13941 second.analyzing = FALSE;
13943 if (second.pr == NoProc) StartChessProgram(&second);
13944 InitChessProgram(&second, FALSE);
13945 FeedMovesToProgram(&second, currentMove);
13947 SendToProgram("analyze\n", &second);
13948 second.analyzing = TRUE;
13952 /* Toggle ShowThinking */
13954 ToggleShowThinking()
13956 appData.showThinking = !appData.showThinking;
13957 ShowThinkingEvent();
13961 AnalyzeModeEvent ()
13965 if (!first.analysisSupport) {
13966 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13967 DisplayError(buf, 0);
13970 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13971 if (appData.icsActive) {
13972 if (gameMode != IcsObserving) {
13973 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13974 DisplayError(buf, 0);
13976 if (appData.icsEngineAnalyze) {
13977 if (appData.debugMode)
13978 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
13984 /* if enable, user wants to disable icsEngineAnalyze */
13985 if (appData.icsEngineAnalyze) {
13990 appData.icsEngineAnalyze = TRUE;
13991 if (appData.debugMode)
13992 fprintf(debugFP, "ICS engine analyze starting... \n");
13995 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13996 if (appData.noChessProgram || gameMode == AnalyzeMode)
13999 if (gameMode != AnalyzeFile) {
14000 if (!appData.icsEngineAnalyze) {
14002 if (gameMode != EditGame) return 0;
14004 if (!appData.showThinking) ToggleShowThinking();
14005 ResurrectChessProgram();
14006 SendToProgram("analyze\n", &first);
14007 first.analyzing = TRUE;
14008 /*first.maybeThinking = TRUE;*/
14009 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14010 EngineOutputPopUp();
14012 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
14017 StartAnalysisClock();
14018 GetTimeMark(&lastNodeCountTime);
14024 AnalyzeFileEvent ()
14026 if (appData.noChessProgram || gameMode == AnalyzeFile)
14029 if (!first.analysisSupport) {
14031 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14032 DisplayError(buf, 0);
14036 if (gameMode != AnalyzeMode) {
14037 keepInfo = 1; // mere annotating should not alter PGN tags
14040 if (gameMode != EditGame) return;
14041 if (!appData.showThinking) ToggleShowThinking();
14042 ResurrectChessProgram();
14043 SendToProgram("analyze\n", &first);
14044 first.analyzing = TRUE;
14045 /*first.maybeThinking = TRUE;*/
14046 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14047 EngineOutputPopUp();
14049 gameMode = AnalyzeFile;
14053 StartAnalysisClock();
14054 GetTimeMark(&lastNodeCountTime);
14056 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14057 AnalysisPeriodicEvent(1);
14061 MachineWhiteEvent ()
14064 char *bookHit = NULL;
14066 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14070 if (gameMode == PlayFromGameFile ||
14071 gameMode == TwoMachinesPlay ||
14072 gameMode == Training ||
14073 gameMode == AnalyzeMode ||
14074 gameMode == EndOfGame)
14077 if (gameMode == EditPosition)
14078 EditPositionDone(TRUE);
14080 if (!WhiteOnMove(currentMove)) {
14081 DisplayError(_("It is not White's turn"), 0);
14085 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14088 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14089 gameMode == AnalyzeFile)
14092 ResurrectChessProgram(); /* in case it isn't running */
14093 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14094 gameMode = MachinePlaysWhite;
14097 gameMode = MachinePlaysWhite;
14101 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14103 if (first.sendName) {
14104 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14105 SendToProgram(buf, &first);
14107 if (first.sendTime) {
14108 if (first.useColors) {
14109 SendToProgram("black\n", &first); /*gnu kludge*/
14111 SendTimeRemaining(&first, TRUE);
14113 if (first.useColors) {
14114 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14116 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14117 SetMachineThinkingEnables();
14118 first.maybeThinking = TRUE;
14122 if (appData.autoFlipView && !flipView) {
14123 flipView = !flipView;
14124 DrawPosition(FALSE, NULL);
14125 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14128 if(bookHit) { // [HGM] book: simulate book reply
14129 static char bookMove[MSG_SIZ]; // a bit generous?
14131 programStats.nodes = programStats.depth = programStats.time =
14132 programStats.score = programStats.got_only_move = 0;
14133 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14135 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14136 strcat(bookMove, bookHit);
14137 HandleMachineMove(bookMove, &first);
14142 MachineBlackEvent ()
14145 char *bookHit = NULL;
14147 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14151 if (gameMode == PlayFromGameFile ||
14152 gameMode == TwoMachinesPlay ||
14153 gameMode == Training ||
14154 gameMode == AnalyzeMode ||
14155 gameMode == EndOfGame)
14158 if (gameMode == EditPosition)
14159 EditPositionDone(TRUE);
14161 if (WhiteOnMove(currentMove)) {
14162 DisplayError(_("It is not Black's turn"), 0);
14166 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14169 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14170 gameMode == AnalyzeFile)
14173 ResurrectChessProgram(); /* in case it isn't running */
14174 gameMode = MachinePlaysBlack;
14178 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14180 if (first.sendName) {
14181 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14182 SendToProgram(buf, &first);
14184 if (first.sendTime) {
14185 if (first.useColors) {
14186 SendToProgram("white\n", &first); /*gnu kludge*/
14188 SendTimeRemaining(&first, FALSE);
14190 if (first.useColors) {
14191 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14193 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14194 SetMachineThinkingEnables();
14195 first.maybeThinking = TRUE;
14198 if (appData.autoFlipView && flipView) {
14199 flipView = !flipView;
14200 DrawPosition(FALSE, NULL);
14201 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14203 if(bookHit) { // [HGM] book: simulate book reply
14204 static char bookMove[MSG_SIZ]; // a bit generous?
14206 programStats.nodes = programStats.depth = programStats.time =
14207 programStats.score = programStats.got_only_move = 0;
14208 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14210 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14211 strcat(bookMove, bookHit);
14212 HandleMachineMove(bookMove, &first);
14218 DisplayTwoMachinesTitle ()
14221 if (appData.matchGames > 0) {
14222 if(appData.tourneyFile[0]) {
14223 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14224 gameInfo.white, _("vs."), gameInfo.black,
14225 nextGame+1, appData.matchGames+1,
14226 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14228 if (first.twoMachinesColor[0] == 'w') {
14229 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14230 gameInfo.white, _("vs."), gameInfo.black,
14231 first.matchWins, second.matchWins,
14232 matchGame - 1 - (first.matchWins + second.matchWins));
14234 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14235 gameInfo.white, _("vs."), gameInfo.black,
14236 second.matchWins, first.matchWins,
14237 matchGame - 1 - (first.matchWins + second.matchWins));
14240 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14246 SettingsMenuIfReady ()
14248 if (second.lastPing != second.lastPong) {
14249 DisplayMessage("", _("Waiting for second chess program"));
14250 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14254 DisplayMessage("", "");
14255 SettingsPopUp(&second);
14259 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14262 if (cps->pr == NoProc) {
14263 StartChessProgram(cps);
14264 if (cps->protocolVersion == 1) {
14266 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14268 /* kludge: allow timeout for initial "feature" command */
14269 if(retry != TwoMachinesEventIfReady) FreezeUI();
14270 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14271 DisplayMessage("", buf);
14272 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14280 TwoMachinesEvent P((void))
14284 ChessProgramState *onmove;
14285 char *bookHit = NULL;
14286 static int stalling = 0;
14290 if (appData.noChessProgram) return;
14292 switch (gameMode) {
14293 case TwoMachinesPlay:
14295 case MachinePlaysWhite:
14296 case MachinePlaysBlack:
14297 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14298 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14302 case BeginningOfGame:
14303 case PlayFromGameFile:
14306 if (gameMode != EditGame) return;
14309 EditPositionDone(TRUE);
14320 // forwardMostMove = currentMove;
14321 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14322 startingEngine = TRUE;
14324 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14326 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14327 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14328 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14331 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14333 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14334 startingEngine = FALSE;
14335 DisplayError("second engine does not play this", 0);
14340 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14341 SendToProgram("force\n", &second);
14343 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14346 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14347 if(appData.matchPause>10000 || appData.matchPause<10)
14348 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14349 wait = SubtractTimeMarks(&now, &pauseStart);
14350 if(wait < appData.matchPause) {
14351 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14354 // we are now committed to starting the game
14356 DisplayMessage("", "");
14357 if (startedFromSetupPosition) {
14358 SendBoard(&second, backwardMostMove);
14359 if (appData.debugMode) {
14360 fprintf(debugFP, "Two Machines\n");
14363 for (i = backwardMostMove; i < forwardMostMove; i++) {
14364 SendMoveToProgram(i, &second);
14367 gameMode = TwoMachinesPlay;
14368 pausing = startingEngine = FALSE;
14369 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14371 DisplayTwoMachinesTitle();
14373 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14378 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14379 SendToProgram(first.computerString, &first);
14380 if (first.sendName) {
14381 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14382 SendToProgram(buf, &first);
14384 SendToProgram(second.computerString, &second);
14385 if (second.sendName) {
14386 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14387 SendToProgram(buf, &second);
14391 if (!first.sendTime || !second.sendTime) {
14392 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14393 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14395 if (onmove->sendTime) {
14396 if (onmove->useColors) {
14397 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14399 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14401 if (onmove->useColors) {
14402 SendToProgram(onmove->twoMachinesColor, onmove);
14404 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14405 // SendToProgram("go\n", onmove);
14406 onmove->maybeThinking = TRUE;
14407 SetMachineThinkingEnables();
14411 if(bookHit) { // [HGM] book: simulate book reply
14412 static char bookMove[MSG_SIZ]; // a bit generous?
14414 programStats.nodes = programStats.depth = programStats.time =
14415 programStats.score = programStats.got_only_move = 0;
14416 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14418 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14419 strcat(bookMove, bookHit);
14420 savedMessage = bookMove; // args for deferred call
14421 savedState = onmove;
14422 ScheduleDelayedEvent(DeferredBookMove, 1);
14429 if (gameMode == Training) {
14430 SetTrainingModeOff();
14431 gameMode = PlayFromGameFile;
14432 DisplayMessage("", _("Training mode off"));
14434 gameMode = Training;
14435 animateTraining = appData.animate;
14437 /* make sure we are not already at the end of the game */
14438 if (currentMove < forwardMostMove) {
14439 SetTrainingModeOn();
14440 DisplayMessage("", _("Training mode on"));
14442 gameMode = PlayFromGameFile;
14443 DisplayError(_("Already at end of game"), 0);
14452 if (!appData.icsActive) return;
14453 switch (gameMode) {
14454 case IcsPlayingWhite:
14455 case IcsPlayingBlack:
14458 case BeginningOfGame:
14466 EditPositionDone(TRUE);
14479 gameMode = IcsIdle;
14489 switch (gameMode) {
14491 SetTrainingModeOff();
14493 case MachinePlaysWhite:
14494 case MachinePlaysBlack:
14495 case BeginningOfGame:
14496 SendToProgram("force\n", &first);
14497 SetUserThinkingEnables();
14499 case PlayFromGameFile:
14500 (void) StopLoadGameTimer();
14501 if (gameFileFP != NULL) {
14506 EditPositionDone(TRUE);
14511 SendToProgram("force\n", &first);
14513 case TwoMachinesPlay:
14514 GameEnds(EndOfFile, NULL, GE_PLAYER);
14515 ResurrectChessProgram();
14516 SetUserThinkingEnables();
14519 ResurrectChessProgram();
14521 case IcsPlayingBlack:
14522 case IcsPlayingWhite:
14523 DisplayError(_("Warning: You are still playing a game"), 0);
14526 DisplayError(_("Warning: You are still observing a game"), 0);
14529 DisplayError(_("Warning: You are still examining a game"), 0);
14540 first.offeredDraw = second.offeredDraw = 0;
14542 if (gameMode == PlayFromGameFile) {
14543 whiteTimeRemaining = timeRemaining[0][currentMove];
14544 blackTimeRemaining = timeRemaining[1][currentMove];
14548 if (gameMode == MachinePlaysWhite ||
14549 gameMode == MachinePlaysBlack ||
14550 gameMode == TwoMachinesPlay ||
14551 gameMode == EndOfGame) {
14552 i = forwardMostMove;
14553 while (i > currentMove) {
14554 SendToProgram("undo\n", &first);
14557 if(!adjustedClock) {
14558 whiteTimeRemaining = timeRemaining[0][currentMove];
14559 blackTimeRemaining = timeRemaining[1][currentMove];
14560 DisplayBothClocks();
14562 if (whiteFlag || blackFlag) {
14563 whiteFlag = blackFlag = 0;
14568 gameMode = EditGame;
14575 EditPositionEvent ()
14577 if (gameMode == EditPosition) {
14583 if (gameMode != EditGame) return;
14585 gameMode = EditPosition;
14588 if (currentMove > 0)
14589 CopyBoard(boards[0], boards[currentMove]);
14591 blackPlaysFirst = !WhiteOnMove(currentMove);
14593 currentMove = forwardMostMove = backwardMostMove = 0;
14594 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14596 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14602 /* [DM] icsEngineAnalyze - possible call from other functions */
14603 if (appData.icsEngineAnalyze) {
14604 appData.icsEngineAnalyze = FALSE;
14606 DisplayMessage("",_("Close ICS engine analyze..."));
14608 if (first.analysisSupport && first.analyzing) {
14609 SendToBoth("exit\n");
14610 first.analyzing = second.analyzing = FALSE;
14612 thinkOutput[0] = NULLCHAR;
14616 EditPositionDone (Boolean fakeRights)
14618 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14620 startedFromSetupPosition = TRUE;
14621 InitChessProgram(&first, FALSE);
14622 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14623 boards[0][EP_STATUS] = EP_NONE;
14624 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14625 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14626 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14627 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14628 } else boards[0][CASTLING][2] = NoRights;
14629 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14630 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14631 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14632 } else boards[0][CASTLING][5] = NoRights;
14633 if(gameInfo.variant == VariantSChess) {
14635 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14636 boards[0][VIRGIN][i] = 0;
14637 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14638 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14642 SendToProgram("force\n", &first);
14643 if (blackPlaysFirst) {
14644 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14645 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14646 currentMove = forwardMostMove = backwardMostMove = 1;
14647 CopyBoard(boards[1], boards[0]);
14649 currentMove = forwardMostMove = backwardMostMove = 0;
14651 SendBoard(&first, forwardMostMove);
14652 if (appData.debugMode) {
14653 fprintf(debugFP, "EditPosDone\n");
14656 DisplayMessage("", "");
14657 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14658 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14659 gameMode = EditGame;
14661 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14662 ClearHighlights(); /* [AS] */
14665 /* Pause for `ms' milliseconds */
14666 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14668 TimeDelay (long ms)
14675 } while (SubtractTimeMarks(&m2, &m1) < ms);
14678 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14680 SendMultiLineToICS (char *buf)
14682 char temp[MSG_SIZ+1], *p;
14689 strncpy(temp, buf, len);
14694 if (*p == '\n' || *p == '\r')
14699 strcat(temp, "\n");
14701 SendToPlayer(temp, strlen(temp));
14705 SetWhiteToPlayEvent ()
14707 if (gameMode == EditPosition) {
14708 blackPlaysFirst = FALSE;
14709 DisplayBothClocks(); /* works because currentMove is 0 */
14710 } else if (gameMode == IcsExamining) {
14711 SendToICS(ics_prefix);
14712 SendToICS("tomove white\n");
14717 SetBlackToPlayEvent ()
14719 if (gameMode == EditPosition) {
14720 blackPlaysFirst = TRUE;
14721 currentMove = 1; /* kludge */
14722 DisplayBothClocks();
14724 } else if (gameMode == IcsExamining) {
14725 SendToICS(ics_prefix);
14726 SendToICS("tomove black\n");
14731 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14734 ChessSquare piece = boards[0][y][x];
14735 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
14736 static int lastVariant;
14738 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14740 switch (selection) {
14742 CopyBoard(currentBoard, boards[0]);
14743 CopyBoard(menuBoard, initialPosition);
14744 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14745 SendToICS(ics_prefix);
14746 SendToICS("bsetup clear\n");
14747 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14748 SendToICS(ics_prefix);
14749 SendToICS("clearboard\n");
14752 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14753 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14754 for (y = 0; y < BOARD_HEIGHT; y++) {
14755 if (gameMode == IcsExamining) {
14756 if (boards[currentMove][y][x] != EmptySquare) {
14757 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14762 if(boards[0][y][x] != p) nonEmpty++;
14763 boards[0][y][x] = p;
14766 menuBoard[1][x] = menuBoard[BOARD_HEIGHT-2][x] = p;
14768 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
14769 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
14770 ChessSquare p = menuBoard[0][x];
14771 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[0][y] == p) menuBoard[0][y] = EmptySquare;
14772 p = menuBoard[BOARD_HEIGHT-1][x];
14773 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[BOARD_HEIGHT-1][y] == p) menuBoard[BOARD_HEIGHT-1][y] = EmptySquare;
14775 DisplayMessage("Clicking clock again restores position", "");
14776 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
14777 if(!nonEmpty) { // asked to clear an empty board
14778 CopyBoard(boards[0], menuBoard);
14780 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
14781 CopyBoard(boards[0], initialPosition);
14783 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
14784 && !CompareBoards(nullBoard, erasedBoard)) {
14785 CopyBoard(boards[0], erasedBoard);
14787 CopyBoard(erasedBoard, currentBoard);
14791 if (gameMode == EditPosition) {
14792 DrawPosition(FALSE, boards[0]);
14797 SetWhiteToPlayEvent();
14801 SetBlackToPlayEvent();
14805 if (gameMode == IcsExamining) {
14806 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14807 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14810 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14811 if(x == BOARD_LEFT-2) {
14812 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14813 boards[0][y][1] = 0;
14815 if(x == BOARD_RGHT+1) {
14816 if(y >= gameInfo.holdingsSize) break;
14817 boards[0][y][BOARD_WIDTH-2] = 0;
14820 boards[0][y][x] = EmptySquare;
14821 DrawPosition(FALSE, boards[0]);
14826 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14827 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14828 selection = (ChessSquare) (PROMOTED piece);
14829 } else if(piece == EmptySquare) selection = WhiteSilver;
14830 else selection = (ChessSquare)((int)piece - 1);
14834 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14835 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14836 selection = (ChessSquare) (DEMOTED piece);
14837 } else if(piece == EmptySquare) selection = BlackSilver;
14838 else selection = (ChessSquare)((int)piece + 1);
14843 if(gameInfo.variant == VariantShatranj ||
14844 gameInfo.variant == VariantXiangqi ||
14845 gameInfo.variant == VariantCourier ||
14846 gameInfo.variant == VariantASEAN ||
14847 gameInfo.variant == VariantMakruk )
14848 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14853 if(gameInfo.variant == VariantXiangqi)
14854 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14855 if(gameInfo.variant == VariantKnightmate)
14856 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14859 if (gameMode == IcsExamining) {
14860 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14861 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14862 PieceToChar(selection), AAA + x, ONE + y);
14865 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14867 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14868 n = PieceToNumber(selection - BlackPawn);
14869 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14870 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14871 boards[0][BOARD_HEIGHT-1-n][1]++;
14873 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14874 n = PieceToNumber(selection);
14875 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14876 boards[0][n][BOARD_WIDTH-1] = selection;
14877 boards[0][n][BOARD_WIDTH-2]++;
14880 boards[0][y][x] = selection;
14881 DrawPosition(TRUE, boards[0]);
14883 fromX = fromY = -1;
14891 DropMenuEvent (ChessSquare selection, int x, int y)
14893 ChessMove moveType;
14895 switch (gameMode) {
14896 case IcsPlayingWhite:
14897 case MachinePlaysBlack:
14898 if (!WhiteOnMove(currentMove)) {
14899 DisplayMoveError(_("It is Black's turn"));
14902 moveType = WhiteDrop;
14904 case IcsPlayingBlack:
14905 case MachinePlaysWhite:
14906 if (WhiteOnMove(currentMove)) {
14907 DisplayMoveError(_("It is White's turn"));
14910 moveType = BlackDrop;
14913 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14919 if (moveType == BlackDrop && selection < BlackPawn) {
14920 selection = (ChessSquare) ((int) selection
14921 + (int) BlackPawn - (int) WhitePawn);
14923 if (boards[currentMove][y][x] != EmptySquare) {
14924 DisplayMoveError(_("That square is occupied"));
14928 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14934 /* Accept a pending offer of any kind from opponent */
14936 if (appData.icsActive) {
14937 SendToICS(ics_prefix);
14938 SendToICS("accept\n");
14939 } else if (cmailMsgLoaded) {
14940 if (currentMove == cmailOldMove &&
14941 commentList[cmailOldMove] != NULL &&
14942 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14943 "Black offers a draw" : "White offers a draw")) {
14945 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14946 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14948 DisplayError(_("There is no pending offer on this move"), 0);
14949 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14952 /* Not used for offers from chess program */
14959 /* Decline a pending offer of any kind from opponent */
14961 if (appData.icsActive) {
14962 SendToICS(ics_prefix);
14963 SendToICS("decline\n");
14964 } else if (cmailMsgLoaded) {
14965 if (currentMove == cmailOldMove &&
14966 commentList[cmailOldMove] != NULL &&
14967 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14968 "Black offers a draw" : "White offers a draw")) {
14970 AppendComment(cmailOldMove, "Draw declined", TRUE);
14971 DisplayComment(cmailOldMove - 1, "Draw declined");
14974 DisplayError(_("There is no pending offer on this move"), 0);
14977 /* Not used for offers from chess program */
14984 /* Issue ICS rematch command */
14985 if (appData.icsActive) {
14986 SendToICS(ics_prefix);
14987 SendToICS("rematch\n");
14994 /* Call your opponent's flag (claim a win on time) */
14995 if (appData.icsActive) {
14996 SendToICS(ics_prefix);
14997 SendToICS("flag\n");
14999 switch (gameMode) {
15002 case MachinePlaysWhite:
15005 GameEnds(GameIsDrawn, "Both players ran out of time",
15008 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15010 DisplayError(_("Your opponent is not out of time"), 0);
15013 case MachinePlaysBlack:
15016 GameEnds(GameIsDrawn, "Both players ran out of time",
15019 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15021 DisplayError(_("Your opponent is not out of time"), 0);
15029 ClockClick (int which)
15030 { // [HGM] code moved to back-end from winboard.c
15031 if(which) { // black clock
15032 if (gameMode == EditPosition || gameMode == IcsExamining) {
15033 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15034 SetBlackToPlayEvent();
15035 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
15036 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15037 } else if (shiftKey) {
15038 AdjustClock(which, -1);
15039 } else if (gameMode == IcsPlayingWhite ||
15040 gameMode == MachinePlaysBlack) {
15043 } else { // white clock
15044 if (gameMode == EditPosition || gameMode == IcsExamining) {
15045 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15046 SetWhiteToPlayEvent();
15047 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
15048 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15049 } else if (shiftKey) {
15050 AdjustClock(which, -1);
15051 } else if (gameMode == IcsPlayingBlack ||
15052 gameMode == MachinePlaysWhite) {
15061 /* Offer draw or accept pending draw offer from opponent */
15063 if (appData.icsActive) {
15064 /* Note: tournament rules require draw offers to be
15065 made after you make your move but before you punch
15066 your clock. Currently ICS doesn't let you do that;
15067 instead, you immediately punch your clock after making
15068 a move, but you can offer a draw at any time. */
15070 SendToICS(ics_prefix);
15071 SendToICS("draw\n");
15072 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15073 } else if (cmailMsgLoaded) {
15074 if (currentMove == cmailOldMove &&
15075 commentList[cmailOldMove] != NULL &&
15076 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15077 "Black offers a draw" : "White offers a draw")) {
15078 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15079 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15080 } else if (currentMove == cmailOldMove + 1) {
15081 char *offer = WhiteOnMove(cmailOldMove) ?
15082 "White offers a draw" : "Black offers a draw";
15083 AppendComment(currentMove, offer, TRUE);
15084 DisplayComment(currentMove - 1, offer);
15085 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15087 DisplayError(_("You must make your move before offering a draw"), 0);
15088 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15090 } else if (first.offeredDraw) {
15091 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15093 if (first.sendDrawOffers) {
15094 SendToProgram("draw\n", &first);
15095 userOfferedDraw = TRUE;
15103 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15105 if (appData.icsActive) {
15106 SendToICS(ics_prefix);
15107 SendToICS("adjourn\n");
15109 /* Currently GNU Chess doesn't offer or accept Adjourns */
15117 /* Offer Abort or accept pending Abort offer from opponent */
15119 if (appData.icsActive) {
15120 SendToICS(ics_prefix);
15121 SendToICS("abort\n");
15123 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15130 /* Resign. You can do this even if it's not your turn. */
15132 if (appData.icsActive) {
15133 SendToICS(ics_prefix);
15134 SendToICS("resign\n");
15136 switch (gameMode) {
15137 case MachinePlaysWhite:
15138 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15140 case MachinePlaysBlack:
15141 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15144 if (cmailMsgLoaded) {
15146 if (WhiteOnMove(cmailOldMove)) {
15147 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15149 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15151 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15162 StopObservingEvent ()
15164 /* Stop observing current games */
15165 SendToICS(ics_prefix);
15166 SendToICS("unobserve\n");
15170 StopExaminingEvent ()
15172 /* Stop observing current game */
15173 SendToICS(ics_prefix);
15174 SendToICS("unexamine\n");
15178 ForwardInner (int target)
15180 int limit; int oldSeekGraphUp = seekGraphUp;
15182 if (appData.debugMode)
15183 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15184 target, currentMove, forwardMostMove);
15186 if (gameMode == EditPosition)
15189 seekGraphUp = FALSE;
15190 MarkTargetSquares(1);
15192 if (gameMode == PlayFromGameFile && !pausing)
15195 if (gameMode == IcsExamining && pausing)
15196 limit = pauseExamForwardMostMove;
15198 limit = forwardMostMove;
15200 if (target > limit) target = limit;
15202 if (target > 0 && moveList[target - 1][0]) {
15203 int fromX, fromY, toX, toY;
15204 toX = moveList[target - 1][2] - AAA;
15205 toY = moveList[target - 1][3] - ONE;
15206 if (moveList[target - 1][1] == '@') {
15207 if (appData.highlightLastMove) {
15208 SetHighlights(-1, -1, toX, toY);
15211 fromX = moveList[target - 1][0] - AAA;
15212 fromY = moveList[target - 1][1] - ONE;
15213 if (target == currentMove + 1) {
15214 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15216 if (appData.highlightLastMove) {
15217 SetHighlights(fromX, fromY, toX, toY);
15221 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15222 gameMode == Training || gameMode == PlayFromGameFile ||
15223 gameMode == AnalyzeFile) {
15224 while (currentMove < target) {
15225 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15226 SendMoveToProgram(currentMove++, &first);
15229 currentMove = target;
15232 if (gameMode == EditGame || gameMode == EndOfGame) {
15233 whiteTimeRemaining = timeRemaining[0][currentMove];
15234 blackTimeRemaining = timeRemaining[1][currentMove];
15236 DisplayBothClocks();
15237 DisplayMove(currentMove - 1);
15238 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15239 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15240 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15241 DisplayComment(currentMove - 1, commentList[currentMove]);
15243 ClearMap(); // [HGM] exclude: invalidate map
15250 if (gameMode == IcsExamining && !pausing) {
15251 SendToICS(ics_prefix);
15252 SendToICS("forward\n");
15254 ForwardInner(currentMove + 1);
15261 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15262 /* to optimze, we temporarily turn off analysis mode while we feed
15263 * the remaining moves to the engine. Otherwise we get analysis output
15266 if (first.analysisSupport) {
15267 SendToProgram("exit\nforce\n", &first);
15268 first.analyzing = FALSE;
15272 if (gameMode == IcsExamining && !pausing) {
15273 SendToICS(ics_prefix);
15274 SendToICS("forward 999999\n");
15276 ForwardInner(forwardMostMove);
15279 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15280 /* we have fed all the moves, so reactivate analysis mode */
15281 SendToProgram("analyze\n", &first);
15282 first.analyzing = TRUE;
15283 /*first.maybeThinking = TRUE;*/
15284 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15289 BackwardInner (int target)
15291 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15293 if (appData.debugMode)
15294 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15295 target, currentMove, forwardMostMove);
15297 if (gameMode == EditPosition) return;
15298 seekGraphUp = FALSE;
15299 MarkTargetSquares(1);
15300 if (currentMove <= backwardMostMove) {
15302 DrawPosition(full_redraw, boards[currentMove]);
15305 if (gameMode == PlayFromGameFile && !pausing)
15308 if (moveList[target][0]) {
15309 int fromX, fromY, toX, toY;
15310 toX = moveList[target][2] - AAA;
15311 toY = moveList[target][3] - ONE;
15312 if (moveList[target][1] == '@') {
15313 if (appData.highlightLastMove) {
15314 SetHighlights(-1, -1, toX, toY);
15317 fromX = moveList[target][0] - AAA;
15318 fromY = moveList[target][1] - ONE;
15319 if (target == currentMove - 1) {
15320 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15322 if (appData.highlightLastMove) {
15323 SetHighlights(fromX, fromY, toX, toY);
15327 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15328 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15329 while (currentMove > target) {
15330 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15331 // null move cannot be undone. Reload program with move history before it.
15333 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15334 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15336 SendBoard(&first, i);
15337 if(second.analyzing) SendBoard(&second, i);
15338 for(currentMove=i; currentMove<target; currentMove++) {
15339 SendMoveToProgram(currentMove, &first);
15340 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15344 SendToBoth("undo\n");
15348 currentMove = target;
15351 if (gameMode == EditGame || gameMode == EndOfGame) {
15352 whiteTimeRemaining = timeRemaining[0][currentMove];
15353 blackTimeRemaining = timeRemaining[1][currentMove];
15355 DisplayBothClocks();
15356 DisplayMove(currentMove - 1);
15357 DrawPosition(full_redraw, boards[currentMove]);
15358 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15359 // [HGM] PV info: routine tests if comment empty
15360 DisplayComment(currentMove - 1, commentList[currentMove]);
15361 ClearMap(); // [HGM] exclude: invalidate map
15367 if (gameMode == IcsExamining && !pausing) {
15368 SendToICS(ics_prefix);
15369 SendToICS("backward\n");
15371 BackwardInner(currentMove - 1);
15378 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15379 /* to optimize, we temporarily turn off analysis mode while we undo
15380 * all the moves. Otherwise we get analysis output after each undo.
15382 if (first.analysisSupport) {
15383 SendToProgram("exit\nforce\n", &first);
15384 first.analyzing = FALSE;
15388 if (gameMode == IcsExamining && !pausing) {
15389 SendToICS(ics_prefix);
15390 SendToICS("backward 999999\n");
15392 BackwardInner(backwardMostMove);
15395 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15396 /* we have fed all the moves, so reactivate analysis mode */
15397 SendToProgram("analyze\n", &first);
15398 first.analyzing = TRUE;
15399 /*first.maybeThinking = TRUE;*/
15400 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15407 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15408 if (to >= forwardMostMove) to = forwardMostMove;
15409 if (to <= backwardMostMove) to = backwardMostMove;
15410 if (to < currentMove) {
15418 RevertEvent (Boolean annotate)
15420 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15423 if (gameMode != IcsExamining) {
15424 DisplayError(_("You are not examining a game"), 0);
15428 DisplayError(_("You can't revert while pausing"), 0);
15431 SendToICS(ics_prefix);
15432 SendToICS("revert\n");
15436 RetractMoveEvent ()
15438 switch (gameMode) {
15439 case MachinePlaysWhite:
15440 case MachinePlaysBlack:
15441 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15442 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15445 if (forwardMostMove < 2) return;
15446 currentMove = forwardMostMove = forwardMostMove - 2;
15447 whiteTimeRemaining = timeRemaining[0][currentMove];
15448 blackTimeRemaining = timeRemaining[1][currentMove];
15449 DisplayBothClocks();
15450 DisplayMove(currentMove - 1);
15451 ClearHighlights();/*!! could figure this out*/
15452 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15453 SendToProgram("remove\n", &first);
15454 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15457 case BeginningOfGame:
15461 case IcsPlayingWhite:
15462 case IcsPlayingBlack:
15463 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15464 SendToICS(ics_prefix);
15465 SendToICS("takeback 2\n");
15467 SendToICS(ics_prefix);
15468 SendToICS("takeback 1\n");
15477 ChessProgramState *cps;
15479 switch (gameMode) {
15480 case MachinePlaysWhite:
15481 if (!WhiteOnMove(forwardMostMove)) {
15482 DisplayError(_("It is your turn"), 0);
15487 case MachinePlaysBlack:
15488 if (WhiteOnMove(forwardMostMove)) {
15489 DisplayError(_("It is your turn"), 0);
15494 case TwoMachinesPlay:
15495 if (WhiteOnMove(forwardMostMove) ==
15496 (first.twoMachinesColor[0] == 'w')) {
15502 case BeginningOfGame:
15506 SendToProgram("?\n", cps);
15510 TruncateGameEvent ()
15513 if (gameMode != EditGame) return;
15520 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15521 if (forwardMostMove > currentMove) {
15522 if (gameInfo.resultDetails != NULL) {
15523 free(gameInfo.resultDetails);
15524 gameInfo.resultDetails = NULL;
15525 gameInfo.result = GameUnfinished;
15527 forwardMostMove = currentMove;
15528 HistorySet(parseList, backwardMostMove, forwardMostMove,
15536 if (appData.noChessProgram) return;
15537 switch (gameMode) {
15538 case MachinePlaysWhite:
15539 if (WhiteOnMove(forwardMostMove)) {
15540 DisplayError(_("Wait until your turn."), 0);
15544 case BeginningOfGame:
15545 case MachinePlaysBlack:
15546 if (!WhiteOnMove(forwardMostMove)) {
15547 DisplayError(_("Wait until your turn."), 0);
15552 DisplayError(_("No hint available"), 0);
15555 SendToProgram("hint\n", &first);
15556 hintRequested = TRUE;
15562 ListGame * lg = (ListGame *) gameList.head;
15565 static int secondTime = FALSE;
15567 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15568 DisplayError(_("Game list not loaded or empty"), 0);
15572 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15575 DisplayNote(_("Book file exists! Try again for overwrite."));
15579 creatingBook = TRUE;
15580 secondTime = FALSE;
15582 /* Get list size */
15583 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15584 LoadGame(f, nItem, "", TRUE);
15585 AddGameToBook(TRUE);
15586 lg = (ListGame *) lg->node.succ;
15589 creatingBook = FALSE;
15596 if (appData.noChessProgram) return;
15597 switch (gameMode) {
15598 case MachinePlaysWhite:
15599 if (WhiteOnMove(forwardMostMove)) {
15600 DisplayError(_("Wait until your turn."), 0);
15604 case BeginningOfGame:
15605 case MachinePlaysBlack:
15606 if (!WhiteOnMove(forwardMostMove)) {
15607 DisplayError(_("Wait until your turn."), 0);
15612 EditPositionDone(TRUE);
15614 case TwoMachinesPlay:
15619 SendToProgram("bk\n", &first);
15620 bookOutput[0] = NULLCHAR;
15621 bookRequested = TRUE;
15627 char *tags = PGNTags(&gameInfo);
15628 TagsPopUp(tags, CmailMsg());
15632 /* end button procedures */
15635 PrintPosition (FILE *fp, int move)
15639 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15640 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15641 char c = PieceToChar(boards[move][i][j]);
15642 fputc(c == 'x' ? '.' : c, fp);
15643 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15646 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15647 fprintf(fp, "white to play\n");
15649 fprintf(fp, "black to play\n");
15653 PrintOpponents (FILE *fp)
15655 if (gameInfo.white != NULL) {
15656 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15662 /* Find last component of program's own name, using some heuristics */
15664 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15667 int local = (strcmp(host, "localhost") == 0);
15668 while (!local && (p = strchr(prog, ';')) != NULL) {
15670 while (*p == ' ') p++;
15673 if (*prog == '"' || *prog == '\'') {
15674 q = strchr(prog + 1, *prog);
15676 q = strchr(prog, ' ');
15678 if (q == NULL) q = prog + strlen(prog);
15680 while (p >= prog && *p != '/' && *p != '\\') p--;
15682 if(p == prog && *p == '"') p++;
15684 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15685 memcpy(buf, p, q - p);
15686 buf[q - p] = NULLCHAR;
15694 TimeControlTagValue ()
15697 if (!appData.clockMode) {
15698 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15699 } else if (movesPerSession > 0) {
15700 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15701 } else if (timeIncrement == 0) {
15702 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15704 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15706 return StrSave(buf);
15712 /* This routine is used only for certain modes */
15713 VariantClass v = gameInfo.variant;
15714 ChessMove r = GameUnfinished;
15717 if(keepInfo) return;
15719 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15720 r = gameInfo.result;
15721 p = gameInfo.resultDetails;
15722 gameInfo.resultDetails = NULL;
15724 ClearGameInfo(&gameInfo);
15725 gameInfo.variant = v;
15727 switch (gameMode) {
15728 case MachinePlaysWhite:
15729 gameInfo.event = StrSave( appData.pgnEventHeader );
15730 gameInfo.site = StrSave(HostName());
15731 gameInfo.date = PGNDate();
15732 gameInfo.round = StrSave("-");
15733 gameInfo.white = StrSave(first.tidy);
15734 gameInfo.black = StrSave(UserName());
15735 gameInfo.timeControl = TimeControlTagValue();
15738 case MachinePlaysBlack:
15739 gameInfo.event = StrSave( appData.pgnEventHeader );
15740 gameInfo.site = StrSave(HostName());
15741 gameInfo.date = PGNDate();
15742 gameInfo.round = StrSave("-");
15743 gameInfo.white = StrSave(UserName());
15744 gameInfo.black = StrSave(first.tidy);
15745 gameInfo.timeControl = TimeControlTagValue();
15748 case TwoMachinesPlay:
15749 gameInfo.event = StrSave( appData.pgnEventHeader );
15750 gameInfo.site = StrSave(HostName());
15751 gameInfo.date = PGNDate();
15754 snprintf(buf, MSG_SIZ, "%d", roundNr);
15755 gameInfo.round = StrSave(buf);
15757 gameInfo.round = StrSave("-");
15759 if (first.twoMachinesColor[0] == 'w') {
15760 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15761 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15763 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15764 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15766 gameInfo.timeControl = TimeControlTagValue();
15770 gameInfo.event = StrSave("Edited game");
15771 gameInfo.site = StrSave(HostName());
15772 gameInfo.date = PGNDate();
15773 gameInfo.round = StrSave("-");
15774 gameInfo.white = StrSave("-");
15775 gameInfo.black = StrSave("-");
15776 gameInfo.result = r;
15777 gameInfo.resultDetails = p;
15781 gameInfo.event = StrSave("Edited position");
15782 gameInfo.site = StrSave(HostName());
15783 gameInfo.date = PGNDate();
15784 gameInfo.round = StrSave("-");
15785 gameInfo.white = StrSave("-");
15786 gameInfo.black = StrSave("-");
15789 case IcsPlayingWhite:
15790 case IcsPlayingBlack:
15795 case PlayFromGameFile:
15796 gameInfo.event = StrSave("Game from non-PGN file");
15797 gameInfo.site = StrSave(HostName());
15798 gameInfo.date = PGNDate();
15799 gameInfo.round = StrSave("-");
15800 gameInfo.white = StrSave("?");
15801 gameInfo.black = StrSave("?");
15810 ReplaceComment (int index, char *text)
15816 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15817 pvInfoList[index-1].depth == len &&
15818 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15819 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15820 while (*text == '\n') text++;
15821 len = strlen(text);
15822 while (len > 0 && text[len - 1] == '\n') len--;
15824 if (commentList[index] != NULL)
15825 free(commentList[index]);
15828 commentList[index] = NULL;
15831 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15832 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15833 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15834 commentList[index] = (char *) malloc(len + 2);
15835 strncpy(commentList[index], text, len);
15836 commentList[index][len] = '\n';
15837 commentList[index][len + 1] = NULLCHAR;
15839 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15841 commentList[index] = (char *) malloc(len + 7);
15842 safeStrCpy(commentList[index], "{\n", 3);
15843 safeStrCpy(commentList[index]+2, text, len+1);
15844 commentList[index][len+2] = NULLCHAR;
15845 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15846 strcat(commentList[index], "\n}\n");
15851 CrushCRs (char *text)
15859 if (ch == '\r') continue;
15861 } while (ch != '\0');
15865 AppendComment (int index, char *text, Boolean addBraces)
15866 /* addBraces tells if we should add {} */
15871 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15872 if(addBraces == 3) addBraces = 0; else // force appending literally
15873 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15876 while (*text == '\n') text++;
15877 len = strlen(text);
15878 while (len > 0 && text[len - 1] == '\n') len--;
15879 text[len] = NULLCHAR;
15881 if (len == 0) return;
15883 if (commentList[index] != NULL) {
15884 Boolean addClosingBrace = addBraces;
15885 old = commentList[index];
15886 oldlen = strlen(old);
15887 while(commentList[index][oldlen-1] == '\n')
15888 commentList[index][--oldlen] = NULLCHAR;
15889 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15890 safeStrCpy(commentList[index], old, oldlen + len + 6);
15892 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15893 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15894 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15895 while (*text == '\n') { text++; len--; }
15896 commentList[index][--oldlen] = NULLCHAR;
15898 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15899 else strcat(commentList[index], "\n");
15900 strcat(commentList[index], text);
15901 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15902 else strcat(commentList[index], "\n");
15904 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15906 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15907 else commentList[index][0] = NULLCHAR;
15908 strcat(commentList[index], text);
15909 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15910 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15915 FindStr (char * text, char * sub_text)
15917 char * result = strstr( text, sub_text );
15919 if( result != NULL ) {
15920 result += strlen( sub_text );
15926 /* [AS] Try to extract PV info from PGN comment */
15927 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15929 GetInfoFromComment (int index, char * text)
15931 char * sep = text, *p;
15933 if( text != NULL && index > 0 ) {
15936 int time = -1, sec = 0, deci;
15937 char * s_eval = FindStr( text, "[%eval " );
15938 char * s_emt = FindStr( text, "[%emt " );
15940 if( s_eval != NULL || s_emt != NULL ) {
15942 if(0) { // [HGM] this code is not finished, and could actually be detrimental
15947 if( s_eval != NULL ) {
15948 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15952 if( delim != ']' ) {
15957 if( s_emt != NULL ) {
15962 /* We expect something like: [+|-]nnn.nn/dd */
15965 if(*text != '{') return text; // [HGM] braces: must be normal comment
15967 sep = strchr( text, '/' );
15968 if( sep == NULL || sep < (text+4) ) {
15973 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
15974 if(p[1] == '(') { // comment starts with PV
15975 p = strchr(p, ')'); // locate end of PV
15976 if(p == NULL || sep < p+5) return text;
15977 // at this point we have something like "{(.*) +0.23/6 ..."
15978 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15979 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15980 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15982 time = -1; sec = -1; deci = -1;
15983 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15984 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15985 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15986 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15990 if( score_lo < 0 || score_lo >= 100 ) {
15994 if(sec >= 0) time = 600*time + 10*sec; else
15995 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15997 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
15999 /* [HGM] PV time: now locate end of PV info */
16000 while( *++sep >= '0' && *sep <= '9'); // strip depth
16002 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16004 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16006 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16007 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16018 pvInfoList[index-1].depth = depth;
16019 pvInfoList[index-1].score = score;
16020 pvInfoList[index-1].time = 10*time; // centi-sec
16021 if(*sep == '}') *sep = 0; else *--sep = '{';
16022 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16028 SendToProgram (char *message, ChessProgramState *cps)
16030 int count, outCount, error;
16033 if (cps->pr == NoProc) return;
16036 if (appData.debugMode) {
16039 fprintf(debugFP, "%ld >%-6s: %s",
16040 SubtractTimeMarks(&now, &programStartTime),
16041 cps->which, message);
16043 fprintf(serverFP, "%ld >%-6s: %s",
16044 SubtractTimeMarks(&now, &programStartTime),
16045 cps->which, message), fflush(serverFP);
16048 count = strlen(message);
16049 outCount = OutputToProcess(cps->pr, message, count, &error);
16050 if (outCount < count && !exiting
16051 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16052 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16053 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16054 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16055 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16056 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16057 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16058 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16060 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16061 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16062 gameInfo.result = res;
16064 gameInfo.resultDetails = StrSave(buf);
16066 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16067 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16072 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16076 ChessProgramState *cps = (ChessProgramState *)closure;
16078 if (isr != cps->isr) return; /* Killed intentionally */
16081 RemoveInputSource(cps->isr);
16082 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16083 _(cps->which), cps->program);
16084 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16085 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16086 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16087 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16088 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16089 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16091 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16092 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16093 gameInfo.result = res;
16095 gameInfo.resultDetails = StrSave(buf);
16097 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16098 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16100 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16101 _(cps->which), cps->program);
16102 RemoveInputSource(cps->isr);
16104 /* [AS] Program is misbehaving badly... kill it */
16105 if( count == -2 ) {
16106 DestroyChildProcess( cps->pr, 9 );
16110 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16115 if ((end_str = strchr(message, '\r')) != NULL)
16116 *end_str = NULLCHAR;
16117 if ((end_str = strchr(message, '\n')) != NULL)
16118 *end_str = NULLCHAR;
16120 if (appData.debugMode) {
16121 TimeMark now; int print = 1;
16122 char *quote = ""; char c; int i;
16124 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16125 char start = message[0];
16126 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16127 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16128 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16129 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16130 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16131 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16132 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16133 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16134 sscanf(message, "hint: %c", &c)!=1 &&
16135 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16136 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16137 print = (appData.engineComments >= 2);
16139 message[0] = start; // restore original message
16143 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16144 SubtractTimeMarks(&now, &programStartTime), cps->which,
16148 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16149 SubtractTimeMarks(&now, &programStartTime), cps->which,
16151 message), fflush(serverFP);
16155 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16156 if (appData.icsEngineAnalyze) {
16157 if (strstr(message, "whisper") != NULL ||
16158 strstr(message, "kibitz") != NULL ||
16159 strstr(message, "tellics") != NULL) return;
16162 HandleMachineMove(message, cps);
16167 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16172 if( timeControl_2 > 0 ) {
16173 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16174 tc = timeControl_2;
16177 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16178 inc /= cps->timeOdds;
16179 st /= cps->timeOdds;
16181 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16184 /* Set exact time per move, normally using st command */
16185 if (cps->stKludge) {
16186 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16188 if (seconds == 0) {
16189 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16191 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16194 snprintf(buf, MSG_SIZ, "st %d\n", st);
16197 /* Set conventional or incremental time control, using level command */
16198 if (seconds == 0) {
16199 /* Note old gnuchess bug -- minutes:seconds used to not work.
16200 Fixed in later versions, but still avoid :seconds
16201 when seconds is 0. */
16202 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16204 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16205 seconds, inc/1000.);
16208 SendToProgram(buf, cps);
16210 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16211 /* Orthogonally, limit search to given depth */
16213 if (cps->sdKludge) {
16214 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16216 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16218 SendToProgram(buf, cps);
16221 if(cps->nps >= 0) { /* [HGM] nps */
16222 if(cps->supportsNPS == FALSE)
16223 cps->nps = -1; // don't use if engine explicitly says not supported!
16225 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16226 SendToProgram(buf, cps);
16231 ChessProgramState *
16233 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16235 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16236 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16242 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16244 char message[MSG_SIZ];
16247 /* Note: this routine must be called when the clocks are stopped
16248 or when they have *just* been set or switched; otherwise
16249 it will be off by the time since the current tick started.
16251 if (machineWhite) {
16252 time = whiteTimeRemaining / 10;
16253 otime = blackTimeRemaining / 10;
16255 time = blackTimeRemaining / 10;
16256 otime = whiteTimeRemaining / 10;
16258 /* [HGM] translate opponent's time by time-odds factor */
16259 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16261 if (time <= 0) time = 1;
16262 if (otime <= 0) otime = 1;
16264 snprintf(message, MSG_SIZ, "time %ld\n", time);
16265 SendToProgram(message, cps);
16267 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16268 SendToProgram(message, cps);
16272 EngineDefinedVariant (ChessProgramState *cps, int n)
16273 { // return name of n-th unknown variant that engine supports
16274 static char buf[MSG_SIZ];
16275 char *p, *s = cps->variants;
16276 if(!s) return NULL;
16277 do { // parse string from variants feature
16279 p = strchr(s, ',');
16280 if(p) *p = NULLCHAR;
16281 v = StringToVariant(s);
16282 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16283 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16284 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16287 if(n < 0) return buf;
16293 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16296 int len = strlen(name);
16299 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16301 sscanf(*p, "%d", &val);
16303 while (**p && **p != ' ')
16305 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16306 SendToProgram(buf, cps);
16313 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16316 int len = strlen(name);
16317 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16319 sscanf(*p, "%d", loc);
16320 while (**p && **p != ' ') (*p)++;
16321 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16322 SendToProgram(buf, cps);
16329 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16332 int len = strlen(name);
16333 if (strncmp((*p), name, len) == 0
16334 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16336 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16337 sscanf(*p, "%[^\"]", *loc);
16338 while (**p && **p != '\"') (*p)++;
16339 if (**p == '\"') (*p)++;
16340 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16341 SendToProgram(buf, cps);
16348 ParseOption (Option *opt, ChessProgramState *cps)
16349 // [HGM] options: process the string that defines an engine option, and determine
16350 // name, type, default value, and allowed value range
16352 char *p, *q, buf[MSG_SIZ];
16353 int n, min = (-1)<<31, max = 1<<31, def;
16355 if(p = strstr(opt->name, " -spin ")) {
16356 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16357 if(max < min) max = min; // enforce consistency
16358 if(def < min) def = min;
16359 if(def > max) def = max;
16364 } else if((p = strstr(opt->name, " -slider "))) {
16365 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16366 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16367 if(max < min) max = min; // enforce consistency
16368 if(def < min) def = min;
16369 if(def > max) def = max;
16373 opt->type = Spin; // Slider;
16374 } else if((p = strstr(opt->name, " -string "))) {
16375 opt->textValue = p+9;
16376 opt->type = TextBox;
16377 } else if((p = strstr(opt->name, " -file "))) {
16378 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16379 opt->textValue = p+7;
16380 opt->type = FileName; // FileName;
16381 } else if((p = strstr(opt->name, " -path "))) {
16382 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16383 opt->textValue = p+7;
16384 opt->type = PathName; // PathName;
16385 } else if(p = strstr(opt->name, " -check ")) {
16386 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16387 opt->value = (def != 0);
16388 opt->type = CheckBox;
16389 } else if(p = strstr(opt->name, " -combo ")) {
16390 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16391 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16392 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16393 opt->value = n = 0;
16394 while(q = StrStr(q, " /// ")) {
16395 n++; *q = 0; // count choices, and null-terminate each of them
16397 if(*q == '*') { // remember default, which is marked with * prefix
16401 cps->comboList[cps->comboCnt++] = q;
16403 cps->comboList[cps->comboCnt++] = NULL;
16405 opt->type = ComboBox;
16406 } else if(p = strstr(opt->name, " -button")) {
16407 opt->type = Button;
16408 } else if(p = strstr(opt->name, " -save")) {
16409 opt->type = SaveButton;
16410 } else return FALSE;
16411 *p = 0; // terminate option name
16412 // now look if the command-line options define a setting for this engine option.
16413 if(cps->optionSettings && cps->optionSettings[0])
16414 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16415 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16416 snprintf(buf, MSG_SIZ, "option %s", p);
16417 if(p = strstr(buf, ",")) *p = 0;
16418 if(q = strchr(buf, '=')) switch(opt->type) {
16420 for(n=0; n<opt->max; n++)
16421 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16424 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16428 opt->value = atoi(q+1);
16433 SendToProgram(buf, cps);
16439 FeatureDone (ChessProgramState *cps, int val)
16441 DelayedEventCallback cb = GetDelayedEvent();
16442 if ((cb == InitBackEnd3 && cps == &first) ||
16443 (cb == SettingsMenuIfReady && cps == &second) ||
16444 (cb == LoadEngine) ||
16445 (cb == TwoMachinesEventIfReady)) {
16446 CancelDelayedEvent();
16447 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16449 cps->initDone = val;
16450 if(val) cps->reload = FALSE;
16453 /* Parse feature command from engine */
16455 ParseFeatures (char *args, ChessProgramState *cps)
16463 while (*p == ' ') p++;
16464 if (*p == NULLCHAR) return;
16466 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16467 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16468 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16469 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16470 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16471 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16472 if (BoolFeature(&p, "reuse", &val, cps)) {
16473 /* Engine can disable reuse, but can't enable it if user said no */
16474 if (!val) cps->reuse = FALSE;
16477 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16478 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16479 if (gameMode == TwoMachinesPlay) {
16480 DisplayTwoMachinesTitle();
16486 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16487 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16488 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16489 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16490 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16491 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16492 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16493 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16494 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16495 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16496 if (IntFeature(&p, "done", &val, cps)) {
16497 FeatureDone(cps, val);
16500 /* Added by Tord: */
16501 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16502 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16503 /* End of additions by Tord */
16505 /* [HGM] added features: */
16506 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16507 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16508 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16509 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16510 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16511 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16512 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16513 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16514 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16515 FREE(cps->option[cps->nrOptions].name);
16516 cps->option[cps->nrOptions].name = q; q = NULL;
16517 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16518 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16519 SendToProgram(buf, cps);
16522 if(cps->nrOptions >= MAX_OPTIONS) {
16524 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16525 DisplayError(buf, 0);
16529 /* End of additions by HGM */
16531 /* unknown feature: complain and skip */
16533 while (*q && *q != '=') q++;
16534 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16535 SendToProgram(buf, cps);
16541 while (*p && *p != '\"') p++;
16542 if (*p == '\"') p++;
16544 while (*p && *p != ' ') p++;
16552 PeriodicUpdatesEvent (int newState)
16554 if (newState == appData.periodicUpdates)
16557 appData.periodicUpdates=newState;
16559 /* Display type changes, so update it now */
16560 // DisplayAnalysis();
16562 /* Get the ball rolling again... */
16564 AnalysisPeriodicEvent(1);
16565 StartAnalysisClock();
16570 PonderNextMoveEvent (int newState)
16572 if (newState == appData.ponderNextMove) return;
16573 if (gameMode == EditPosition) EditPositionDone(TRUE);
16575 SendToProgram("hard\n", &first);
16576 if (gameMode == TwoMachinesPlay) {
16577 SendToProgram("hard\n", &second);
16580 SendToProgram("easy\n", &first);
16581 thinkOutput[0] = NULLCHAR;
16582 if (gameMode == TwoMachinesPlay) {
16583 SendToProgram("easy\n", &second);
16586 appData.ponderNextMove = newState;
16590 NewSettingEvent (int option, int *feature, char *command, int value)
16594 if (gameMode == EditPosition) EditPositionDone(TRUE);
16595 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16596 if(feature == NULL || *feature) SendToProgram(buf, &first);
16597 if (gameMode == TwoMachinesPlay) {
16598 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16603 ShowThinkingEvent ()
16604 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16606 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16607 int newState = appData.showThinking
16608 // [HGM] thinking: other features now need thinking output as well
16609 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16611 if (oldState == newState) return;
16612 oldState = newState;
16613 if (gameMode == EditPosition) EditPositionDone(TRUE);
16615 SendToProgram("post\n", &first);
16616 if (gameMode == TwoMachinesPlay) {
16617 SendToProgram("post\n", &second);
16620 SendToProgram("nopost\n", &first);
16621 thinkOutput[0] = NULLCHAR;
16622 if (gameMode == TwoMachinesPlay) {
16623 SendToProgram("nopost\n", &second);
16626 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16630 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16632 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16633 if (pr == NoProc) return;
16634 AskQuestion(title, question, replyPrefix, pr);
16638 TypeInEvent (char firstChar)
16640 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16641 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16642 gameMode == AnalyzeMode || gameMode == EditGame ||
16643 gameMode == EditPosition || gameMode == IcsExamining ||
16644 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16645 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16646 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16647 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16648 gameMode == Training) PopUpMoveDialog(firstChar);
16652 TypeInDoneEvent (char *move)
16655 int n, fromX, fromY, toX, toY;
16657 ChessMove moveType;
16660 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
16661 EditPositionPasteFEN(move);
16664 // [HGM] movenum: allow move number to be typed in any mode
16665 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16669 // undocumented kludge: allow command-line option to be typed in!
16670 // (potentially fatal, and does not implement the effect of the option.)
16671 // should only be used for options that are values on which future decisions will be made,
16672 // and definitely not on options that would be used during initialization.
16673 if(strstr(move, "!!! -") == move) {
16674 ParseArgsFromString(move+4);
16678 if (gameMode != EditGame && currentMove != forwardMostMove &&
16679 gameMode != Training) {
16680 DisplayMoveError(_("Displayed move is not current"));
16682 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16683 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16684 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16685 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16686 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16687 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16689 DisplayMoveError(_("Could not parse move"));
16695 DisplayMove (int moveNumber)
16697 char message[MSG_SIZ];
16699 char cpThinkOutput[MSG_SIZ];
16701 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16703 if (moveNumber == forwardMostMove - 1 ||
16704 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16706 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16708 if (strchr(cpThinkOutput, '\n')) {
16709 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16712 *cpThinkOutput = NULLCHAR;
16715 /* [AS] Hide thinking from human user */
16716 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16717 *cpThinkOutput = NULLCHAR;
16718 if( thinkOutput[0] != NULLCHAR ) {
16721 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16722 cpThinkOutput[i] = '.';
16724 cpThinkOutput[i] = NULLCHAR;
16725 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16729 if (moveNumber == forwardMostMove - 1 &&
16730 gameInfo.resultDetails != NULL) {
16731 if (gameInfo.resultDetails[0] == NULLCHAR) {
16732 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16734 snprintf(res, MSG_SIZ, " {%s} %s",
16735 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16741 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16742 DisplayMessage(res, cpThinkOutput);
16744 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16745 WhiteOnMove(moveNumber) ? " " : ".. ",
16746 parseList[moveNumber], res);
16747 DisplayMessage(message, cpThinkOutput);
16752 DisplayComment (int moveNumber, char *text)
16754 char title[MSG_SIZ];
16756 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16757 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16759 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16760 WhiteOnMove(moveNumber) ? " " : ".. ",
16761 parseList[moveNumber]);
16763 if (text != NULL && (appData.autoDisplayComment || commentUp))
16764 CommentPopUp(title, text);
16767 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16768 * might be busy thinking or pondering. It can be omitted if your
16769 * gnuchess is configured to stop thinking immediately on any user
16770 * input. However, that gnuchess feature depends on the FIONREAD
16771 * ioctl, which does not work properly on some flavors of Unix.
16774 Attention (ChessProgramState *cps)
16777 if (!cps->useSigint) return;
16778 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16779 switch (gameMode) {
16780 case MachinePlaysWhite:
16781 case MachinePlaysBlack:
16782 case TwoMachinesPlay:
16783 case IcsPlayingWhite:
16784 case IcsPlayingBlack:
16787 /* Skip if we know it isn't thinking */
16788 if (!cps->maybeThinking) return;
16789 if (appData.debugMode)
16790 fprintf(debugFP, "Interrupting %s\n", cps->which);
16791 InterruptChildProcess(cps->pr);
16792 cps->maybeThinking = FALSE;
16797 #endif /*ATTENTION*/
16803 if (whiteTimeRemaining <= 0) {
16806 if (appData.icsActive) {
16807 if (appData.autoCallFlag &&
16808 gameMode == IcsPlayingBlack && !blackFlag) {
16809 SendToICS(ics_prefix);
16810 SendToICS("flag\n");
16814 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16816 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16817 if (appData.autoCallFlag) {
16818 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16825 if (blackTimeRemaining <= 0) {
16828 if (appData.icsActive) {
16829 if (appData.autoCallFlag &&
16830 gameMode == IcsPlayingWhite && !whiteFlag) {
16831 SendToICS(ics_prefix);
16832 SendToICS("flag\n");
16836 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16838 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16839 if (appData.autoCallFlag) {
16840 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16851 CheckTimeControl ()
16853 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16854 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16857 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16859 if ( !WhiteOnMove(forwardMostMove) ) {
16860 /* White made time control */
16861 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16862 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16863 /* [HGM] time odds: correct new time quota for time odds! */
16864 / WhitePlayer()->timeOdds;
16865 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16867 lastBlack -= blackTimeRemaining;
16868 /* Black made time control */
16869 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16870 / WhitePlayer()->other->timeOdds;
16871 lastWhite = whiteTimeRemaining;
16876 DisplayBothClocks ()
16878 int wom = gameMode == EditPosition ?
16879 !blackPlaysFirst : WhiteOnMove(currentMove);
16880 DisplayWhiteClock(whiteTimeRemaining, wom);
16881 DisplayBlackClock(blackTimeRemaining, !wom);
16885 /* Timekeeping seems to be a portability nightmare. I think everyone
16886 has ftime(), but I'm really not sure, so I'm including some ifdefs
16887 to use other calls if you don't. Clocks will be less accurate if
16888 you have neither ftime nor gettimeofday.
16891 /* VS 2008 requires the #include outside of the function */
16892 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16893 #include <sys/timeb.h>
16896 /* Get the current time as a TimeMark */
16898 GetTimeMark (TimeMark *tm)
16900 #if HAVE_GETTIMEOFDAY
16902 struct timeval timeVal;
16903 struct timezone timeZone;
16905 gettimeofday(&timeVal, &timeZone);
16906 tm->sec = (long) timeVal.tv_sec;
16907 tm->ms = (int) (timeVal.tv_usec / 1000L);
16909 #else /*!HAVE_GETTIMEOFDAY*/
16912 // include <sys/timeb.h> / moved to just above start of function
16913 struct timeb timeB;
16916 tm->sec = (long) timeB.time;
16917 tm->ms = (int) timeB.millitm;
16919 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16920 tm->sec = (long) time(NULL);
16926 /* Return the difference in milliseconds between two
16927 time marks. We assume the difference will fit in a long!
16930 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16932 return 1000L*(tm2->sec - tm1->sec) +
16933 (long) (tm2->ms - tm1->ms);
16938 * Code to manage the game clocks.
16940 * In tournament play, black starts the clock and then white makes a move.
16941 * We give the human user a slight advantage if he is playing white---the
16942 * clocks don't run until he makes his first move, so it takes zero time.
16943 * Also, we don't account for network lag, so we could get out of sync
16944 * with GNU Chess's clock -- but then, referees are always right.
16947 static TimeMark tickStartTM;
16948 static long intendedTickLength;
16951 NextTickLength (long timeRemaining)
16953 long nominalTickLength, nextTickLength;
16955 if (timeRemaining > 0L && timeRemaining <= 10000L)
16956 nominalTickLength = 100L;
16958 nominalTickLength = 1000L;
16959 nextTickLength = timeRemaining % nominalTickLength;
16960 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16962 return nextTickLength;
16965 /* Adjust clock one minute up or down */
16967 AdjustClock (Boolean which, int dir)
16969 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16970 if(which) blackTimeRemaining += 60000*dir;
16971 else whiteTimeRemaining += 60000*dir;
16972 DisplayBothClocks();
16973 adjustedClock = TRUE;
16976 /* Stop clocks and reset to a fresh time control */
16980 (void) StopClockTimer();
16981 if (appData.icsActive) {
16982 whiteTimeRemaining = blackTimeRemaining = 0;
16983 } else if (searchTime) {
16984 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16985 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16986 } else { /* [HGM] correct new time quote for time odds */
16987 whiteTC = blackTC = fullTimeControlString;
16988 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16989 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16991 if (whiteFlag || blackFlag) {
16993 whiteFlag = blackFlag = FALSE;
16995 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16996 DisplayBothClocks();
16997 adjustedClock = FALSE;
17000 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17002 /* Decrement running clock by amount of time that has passed */
17006 long timeRemaining;
17007 long lastTickLength, fudge;
17010 if (!appData.clockMode) return;
17011 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17015 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17017 /* Fudge if we woke up a little too soon */
17018 fudge = intendedTickLength - lastTickLength;
17019 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17021 if (WhiteOnMove(forwardMostMove)) {
17022 if(whiteNPS >= 0) lastTickLength = 0;
17023 timeRemaining = whiteTimeRemaining -= lastTickLength;
17024 if(timeRemaining < 0 && !appData.icsActive) {
17025 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17026 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17027 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17028 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17031 DisplayWhiteClock(whiteTimeRemaining - fudge,
17032 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17034 if(blackNPS >= 0) lastTickLength = 0;
17035 timeRemaining = blackTimeRemaining -= lastTickLength;
17036 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17037 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17039 blackStartMove = forwardMostMove;
17040 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17043 DisplayBlackClock(blackTimeRemaining - fudge,
17044 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17046 if (CheckFlags()) return;
17048 if(twoBoards) { // count down secondary board's clocks as well
17049 activePartnerTime -= lastTickLength;
17051 if(activePartner == 'W')
17052 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17054 DisplayBlackClock(activePartnerTime, TRUE);
17059 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17060 StartClockTimer(intendedTickLength);
17062 /* if the time remaining has fallen below the alarm threshold, sound the
17063 * alarm. if the alarm has sounded and (due to a takeback or time control
17064 * with increment) the time remaining has increased to a level above the
17065 * threshold, reset the alarm so it can sound again.
17068 if (appData.icsActive && appData.icsAlarm) {
17070 /* make sure we are dealing with the user's clock */
17071 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17072 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17075 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17076 alarmSounded = FALSE;
17077 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17079 alarmSounded = TRUE;
17085 /* A player has just moved, so stop the previously running
17086 clock and (if in clock mode) start the other one.
17087 We redisplay both clocks in case we're in ICS mode, because
17088 ICS gives us an update to both clocks after every move.
17089 Note that this routine is called *after* forwardMostMove
17090 is updated, so the last fractional tick must be subtracted
17091 from the color that is *not* on move now.
17094 SwitchClocks (int newMoveNr)
17096 long lastTickLength;
17098 int flagged = FALSE;
17102 if (StopClockTimer() && appData.clockMode) {
17103 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17104 if (!WhiteOnMove(forwardMostMove)) {
17105 if(blackNPS >= 0) lastTickLength = 0;
17106 blackTimeRemaining -= lastTickLength;
17107 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17108 // if(pvInfoList[forwardMostMove].time == -1)
17109 pvInfoList[forwardMostMove].time = // use GUI time
17110 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17112 if(whiteNPS >= 0) lastTickLength = 0;
17113 whiteTimeRemaining -= lastTickLength;
17114 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17115 // if(pvInfoList[forwardMostMove].time == -1)
17116 pvInfoList[forwardMostMove].time =
17117 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17119 flagged = CheckFlags();
17121 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17122 CheckTimeControl();
17124 if (flagged || !appData.clockMode) return;
17126 switch (gameMode) {
17127 case MachinePlaysBlack:
17128 case MachinePlaysWhite:
17129 case BeginningOfGame:
17130 if (pausing) return;
17134 case PlayFromGameFile:
17142 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17143 if(WhiteOnMove(forwardMostMove))
17144 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17145 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17149 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17150 whiteTimeRemaining : blackTimeRemaining);
17151 StartClockTimer(intendedTickLength);
17155 /* Stop both clocks */
17159 long lastTickLength;
17162 if (!StopClockTimer()) return;
17163 if (!appData.clockMode) return;
17167 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17168 if (WhiteOnMove(forwardMostMove)) {
17169 if(whiteNPS >= 0) lastTickLength = 0;
17170 whiteTimeRemaining -= lastTickLength;
17171 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17173 if(blackNPS >= 0) lastTickLength = 0;
17174 blackTimeRemaining -= lastTickLength;
17175 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17180 /* Start clock of player on move. Time may have been reset, so
17181 if clock is already running, stop and restart it. */
17185 (void) StopClockTimer(); /* in case it was running already */
17186 DisplayBothClocks();
17187 if (CheckFlags()) return;
17189 if (!appData.clockMode) return;
17190 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17192 GetTimeMark(&tickStartTM);
17193 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17194 whiteTimeRemaining : blackTimeRemaining);
17196 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17197 whiteNPS = blackNPS = -1;
17198 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17199 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17200 whiteNPS = first.nps;
17201 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17202 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17203 blackNPS = first.nps;
17204 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17205 whiteNPS = second.nps;
17206 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17207 blackNPS = second.nps;
17208 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17210 StartClockTimer(intendedTickLength);
17214 TimeString (long ms)
17216 long second, minute, hour, day;
17218 static char buf[32];
17220 if (ms > 0 && ms <= 9900) {
17221 /* convert milliseconds to tenths, rounding up */
17222 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17224 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17228 /* convert milliseconds to seconds, rounding up */
17229 /* use floating point to avoid strangeness of integer division
17230 with negative dividends on many machines */
17231 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17238 day = second / (60 * 60 * 24);
17239 second = second % (60 * 60 * 24);
17240 hour = second / (60 * 60);
17241 second = second % (60 * 60);
17242 minute = second / 60;
17243 second = second % 60;
17246 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17247 sign, day, hour, minute, second);
17249 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17251 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17258 * This is necessary because some C libraries aren't ANSI C compliant yet.
17261 StrStr (char *string, char *match)
17265 length = strlen(match);
17267 for (i = strlen(string) - length; i >= 0; i--, string++)
17268 if (!strncmp(match, string, length))
17275 StrCaseStr (char *string, char *match)
17279 length = strlen(match);
17281 for (i = strlen(string) - length; i >= 0; i--, string++) {
17282 for (j = 0; j < length; j++) {
17283 if (ToLower(match[j]) != ToLower(string[j]))
17286 if (j == length) return string;
17294 StrCaseCmp (char *s1, char *s2)
17299 c1 = ToLower(*s1++);
17300 c2 = ToLower(*s2++);
17301 if (c1 > c2) return 1;
17302 if (c1 < c2) return -1;
17303 if (c1 == NULLCHAR) return 0;
17311 return isupper(c) ? tolower(c) : c;
17318 return islower(c) ? toupper(c) : c;
17320 #endif /* !_amigados */
17327 if ((ret = (char *) malloc(strlen(s) + 1)))
17329 safeStrCpy(ret, s, strlen(s)+1);
17335 StrSavePtr (char *s, char **savePtr)
17340 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17341 safeStrCpy(*savePtr, s, strlen(s)+1);
17353 clock = time((time_t *)NULL);
17354 tm = localtime(&clock);
17355 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17356 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17357 return StrSave(buf);
17362 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17364 int i, j, fromX, fromY, toX, toY;
17371 whiteToPlay = (gameMode == EditPosition) ?
17372 !blackPlaysFirst : (move % 2 == 0);
17375 /* Piece placement data */
17376 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17377 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17379 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17380 if (boards[move][i][j] == EmptySquare) {
17382 } else { ChessSquare piece = boards[move][i][j];
17383 if (emptycount > 0) {
17384 if(emptycount<10) /* [HGM] can be >= 10 */
17385 *p++ = '0' + emptycount;
17386 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17389 if(PieceToChar(piece) == '+') {
17390 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17392 piece = (ChessSquare)(DEMOTED piece);
17394 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17396 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17397 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17402 if (emptycount > 0) {
17403 if(emptycount<10) /* [HGM] can be >= 10 */
17404 *p++ = '0' + emptycount;
17405 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17412 /* [HGM] print Crazyhouse or Shogi holdings */
17413 if( gameInfo.holdingsWidth ) {
17414 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17416 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17417 piece = boards[move][i][BOARD_WIDTH-1];
17418 if( piece != EmptySquare )
17419 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17420 *p++ = PieceToChar(piece);
17422 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17423 piece = boards[move][BOARD_HEIGHT-i-1][0];
17424 if( piece != EmptySquare )
17425 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17426 *p++ = PieceToChar(piece);
17429 if( q == p ) *p++ = '-';
17435 *p++ = whiteToPlay ? 'w' : 'b';
17438 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17439 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17441 if(nrCastlingRights) {
17443 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17444 /* [HGM] write directly from rights */
17445 if(boards[move][CASTLING][2] != NoRights &&
17446 boards[move][CASTLING][0] != NoRights )
17447 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17448 if(boards[move][CASTLING][2] != NoRights &&
17449 boards[move][CASTLING][1] != NoRights )
17450 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17451 if(boards[move][CASTLING][5] != NoRights &&
17452 boards[move][CASTLING][3] != NoRights )
17453 *p++ = boards[move][CASTLING][3] + AAA;
17454 if(boards[move][CASTLING][5] != NoRights &&
17455 boards[move][CASTLING][4] != NoRights )
17456 *p++ = boards[move][CASTLING][4] + AAA;
17459 /* [HGM] write true castling rights */
17460 if( nrCastlingRights == 6 ) {
17462 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17463 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17464 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17465 boards[move][CASTLING][2] != NoRights );
17466 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17467 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17468 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17469 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17470 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17474 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17475 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17476 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17477 boards[move][CASTLING][5] != NoRights );
17478 if(gameInfo.variant == VariantSChess) {
17479 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17480 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17481 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17482 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17487 if (q == p) *p++ = '-'; /* No castling rights */
17491 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17492 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17493 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17494 /* En passant target square */
17495 if (move > backwardMostMove) {
17496 fromX = moveList[move - 1][0] - AAA;
17497 fromY = moveList[move - 1][1] - ONE;
17498 toX = moveList[move - 1][2] - AAA;
17499 toY = moveList[move - 1][3] - ONE;
17500 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17501 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17502 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17504 /* 2-square pawn move just happened */
17506 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17510 } else if(move == backwardMostMove) {
17511 // [HGM] perhaps we should always do it like this, and forget the above?
17512 if((signed char)boards[move][EP_STATUS] >= 0) {
17513 *p++ = boards[move][EP_STATUS] + AAA;
17514 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17526 { int i = 0, j=move;
17528 /* [HGM] find reversible plies */
17529 if (appData.debugMode) { int k;
17530 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17531 for(k=backwardMostMove; k<=forwardMostMove; k++)
17532 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17536 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17537 if( j == backwardMostMove ) i += initialRulePlies;
17538 sprintf(p, "%d ", i);
17539 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17541 /* Fullmove number */
17542 sprintf(p, "%d", (move / 2) + 1);
17543 } else *--p = NULLCHAR;
17545 return StrSave(buf);
17549 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17553 int emptycount, virgin[BOARD_FILES];
17558 /* Piece placement data */
17559 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17562 if (*p == '/' || *p == ' ' || *p == '[' ) {
17564 emptycount = gameInfo.boardWidth - j;
17565 while (emptycount--)
17566 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17567 if (*p == '/') p++;
17568 else if(autoSize) { // we stumbled unexpectedly into end of board
17569 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17570 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17572 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17575 #if(BOARD_FILES >= 10)
17576 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17577 p++; emptycount=10;
17578 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17579 while (emptycount--)
17580 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17582 } else if (*p == '*') {
17583 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17584 } else if (isdigit(*p)) {
17585 emptycount = *p++ - '0';
17586 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17587 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17588 while (emptycount--)
17589 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17590 } else if (*p == '+' || isalpha(*p)) {
17591 if (j >= gameInfo.boardWidth) return FALSE;
17593 piece = CharToPiece(*++p);
17594 if(piece == EmptySquare) return FALSE; /* unknown piece */
17595 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17596 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17597 } else piece = CharToPiece(*p++);
17599 if(piece==EmptySquare) return FALSE; /* unknown piece */
17600 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17601 piece = (ChessSquare) (PROMOTED piece);
17602 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17605 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17611 while (*p == '/' || *p == ' ') p++;
17613 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17615 /* [HGM] by default clear Crazyhouse holdings, if present */
17616 if(gameInfo.holdingsWidth) {
17617 for(i=0; i<BOARD_HEIGHT; i++) {
17618 board[i][0] = EmptySquare; /* black holdings */
17619 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17620 board[i][1] = (ChessSquare) 0; /* black counts */
17621 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17625 /* [HGM] look for Crazyhouse holdings here */
17626 while(*p==' ') p++;
17627 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17629 if(*p == '-' ) p++; /* empty holdings */ else {
17630 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17631 /* if we would allow FEN reading to set board size, we would */
17632 /* have to add holdings and shift the board read so far here */
17633 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17635 if((int) piece >= (int) BlackPawn ) {
17636 i = (int)piece - (int)BlackPawn;
17637 i = PieceToNumber((ChessSquare)i);
17638 if( i >= gameInfo.holdingsSize ) return FALSE;
17639 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17640 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17642 i = (int)piece - (int)WhitePawn;
17643 i = PieceToNumber((ChessSquare)i);
17644 if( i >= gameInfo.holdingsSize ) return FALSE;
17645 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17646 board[i][BOARD_WIDTH-2]++; /* black holdings */
17653 while(*p == ' ') p++;
17657 if(appData.colorNickNames) {
17658 if( c == appData.colorNickNames[0] ) c = 'w'; else
17659 if( c == appData.colorNickNames[1] ) c = 'b';
17663 *blackPlaysFirst = FALSE;
17666 *blackPlaysFirst = TRUE;
17672 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17673 /* return the extra info in global variiables */
17675 /* set defaults in case FEN is incomplete */
17676 board[EP_STATUS] = EP_UNKNOWN;
17677 for(i=0; i<nrCastlingRights; i++ ) {
17678 board[CASTLING][i] =
17679 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17680 } /* assume possible unless obviously impossible */
17681 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17682 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17683 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17684 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17685 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17686 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17687 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17688 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17691 while(*p==' ') p++;
17692 if(nrCastlingRights) {
17693 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17694 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17695 /* castling indicator present, so default becomes no castlings */
17696 for(i=0; i<nrCastlingRights; i++ ) {
17697 board[CASTLING][i] = NoRights;
17700 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17701 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17702 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17703 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17704 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17706 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17707 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17708 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17710 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17711 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17712 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17713 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17714 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17715 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17718 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17719 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17720 board[CASTLING][2] = whiteKingFile;
17721 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17722 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17725 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17726 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17727 board[CASTLING][2] = whiteKingFile;
17728 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17729 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17732 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17733 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17734 board[CASTLING][5] = blackKingFile;
17735 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17736 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17739 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17740 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17741 board[CASTLING][5] = blackKingFile;
17742 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17743 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17746 default: /* FRC castlings */
17747 if(c >= 'a') { /* black rights */
17748 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17749 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17750 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17751 if(i == BOARD_RGHT) break;
17752 board[CASTLING][5] = i;
17754 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17755 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17757 board[CASTLING][3] = c;
17759 board[CASTLING][4] = c;
17760 } else { /* white rights */
17761 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17762 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17763 if(board[0][i] == WhiteKing) break;
17764 if(i == BOARD_RGHT) break;
17765 board[CASTLING][2] = i;
17766 c -= AAA - 'a' + 'A';
17767 if(board[0][c] >= WhiteKing) break;
17769 board[CASTLING][0] = c;
17771 board[CASTLING][1] = c;
17775 for(i=0; i<nrCastlingRights; i++)
17776 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17777 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17778 if (appData.debugMode) {
17779 fprintf(debugFP, "FEN castling rights:");
17780 for(i=0; i<nrCastlingRights; i++)
17781 fprintf(debugFP, " %d", board[CASTLING][i]);
17782 fprintf(debugFP, "\n");
17785 while(*p==' ') p++;
17788 /* read e.p. field in games that know e.p. capture */
17789 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17790 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17791 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17793 p++; board[EP_STATUS] = EP_NONE;
17795 char c = *p++ - AAA;
17797 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17798 if(*p >= '0' && *p <='9') p++;
17799 board[EP_STATUS] = c;
17804 if(sscanf(p, "%d", &i) == 1) {
17805 FENrulePlies = i; /* 50-move ply counter */
17806 /* (The move number is still ignored) */
17813 EditPositionPasteFEN (char *fen)
17816 Board initial_position;
17818 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
17819 DisplayError(_("Bad FEN position in clipboard"), 0);
17822 int savedBlackPlaysFirst = blackPlaysFirst;
17823 EditPositionEvent();
17824 blackPlaysFirst = savedBlackPlaysFirst;
17825 CopyBoard(boards[0], initial_position);
17826 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17827 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17828 DisplayBothClocks();
17829 DrawPosition(FALSE, boards[currentMove]);
17834 static char cseq[12] = "\\ ";
17837 set_cont_sequence (char *new_seq)
17842 // handle bad attempts to set the sequence
17844 return 0; // acceptable error - no debug
17846 len = strlen(new_seq);
17847 ret = (len > 0) && (len < sizeof(cseq));
17849 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17850 else if (appData.debugMode)
17851 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17856 reformat a source message so words don't cross the width boundary. internal
17857 newlines are not removed. returns the wrapped size (no null character unless
17858 included in source message). If dest is NULL, only calculate the size required
17859 for the dest buffer. lp argument indicats line position upon entry, and it's
17860 passed back upon exit.
17863 wrap (char *dest, char *src, int count, int width, int *lp)
17865 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17867 cseq_len = strlen(cseq);
17868 old_line = line = *lp;
17869 ansi = len = clen = 0;
17871 for (i=0; i < count; i++)
17873 if (src[i] == '\033')
17876 // if we hit the width, back up
17877 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17879 // store i & len in case the word is too long
17880 old_i = i, old_len = len;
17882 // find the end of the last word
17883 while (i && src[i] != ' ' && src[i] != '\n')
17889 // word too long? restore i & len before splitting it
17890 if ((old_i-i+clen) >= width)
17897 if (i && src[i-1] == ' ')
17900 if (src[i] != ' ' && src[i] != '\n')
17907 // now append the newline and continuation sequence
17912 strncpy(dest+len, cseq, cseq_len);
17920 dest[len] = src[i];
17924 if (src[i] == '\n')
17929 if (dest && appData.debugMode)
17931 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17932 count, width, line, len, *lp);
17933 show_bytes(debugFP, src, count);
17934 fprintf(debugFP, "\ndest: ");
17935 show_bytes(debugFP, dest, len);
17936 fprintf(debugFP, "\n");
17938 *lp = dest ? line : old_line;
17943 // [HGM] vari: routines for shelving variations
17944 Boolean modeRestore = FALSE;
17947 PushInner (int firstMove, int lastMove)
17949 int i, j, nrMoves = lastMove - firstMove;
17951 // push current tail of game on stack
17952 savedResult[storedGames] = gameInfo.result;
17953 savedDetails[storedGames] = gameInfo.resultDetails;
17954 gameInfo.resultDetails = NULL;
17955 savedFirst[storedGames] = firstMove;
17956 savedLast [storedGames] = lastMove;
17957 savedFramePtr[storedGames] = framePtr;
17958 framePtr -= nrMoves; // reserve space for the boards
17959 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17960 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17961 for(j=0; j<MOVE_LEN; j++)
17962 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17963 for(j=0; j<2*MOVE_LEN; j++)
17964 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17965 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17966 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17967 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17968 pvInfoList[firstMove+i-1].depth = 0;
17969 commentList[framePtr+i] = commentList[firstMove+i];
17970 commentList[firstMove+i] = NULL;
17974 forwardMostMove = firstMove; // truncate game so we can start variation
17978 PushTail (int firstMove, int lastMove)
17980 if(appData.icsActive) { // only in local mode
17981 forwardMostMove = currentMove; // mimic old ICS behavior
17984 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17986 PushInner(firstMove, lastMove);
17987 if(storedGames == 1) GreyRevert(FALSE);
17988 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17992 PopInner (Boolean annotate)
17995 char buf[8000], moveBuf[20];
17997 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17998 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17999 nrMoves = savedLast[storedGames] - currentMove;
18002 if(!WhiteOnMove(currentMove))
18003 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18004 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18005 for(i=currentMove; i<forwardMostMove; i++) {
18007 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18008 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18009 strcat(buf, moveBuf);
18010 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18011 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18015 for(i=1; i<=nrMoves; i++) { // copy last variation back
18016 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18017 for(j=0; j<MOVE_LEN; j++)
18018 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18019 for(j=0; j<2*MOVE_LEN; j++)
18020 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18021 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18022 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18023 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18024 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18025 commentList[currentMove+i] = commentList[framePtr+i];
18026 commentList[framePtr+i] = NULL;
18028 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18029 framePtr = savedFramePtr[storedGames];
18030 gameInfo.result = savedResult[storedGames];
18031 if(gameInfo.resultDetails != NULL) {
18032 free(gameInfo.resultDetails);
18034 gameInfo.resultDetails = savedDetails[storedGames];
18035 forwardMostMove = currentMove + nrMoves;
18039 PopTail (Boolean annotate)
18041 if(appData.icsActive) return FALSE; // only in local mode
18042 if(!storedGames) return FALSE; // sanity
18043 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18045 PopInner(annotate);
18046 if(currentMove < forwardMostMove) ForwardEvent(); else
18047 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18049 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18055 { // remove all shelved variations
18057 for(i=0; i<storedGames; i++) {
18058 if(savedDetails[i])
18059 free(savedDetails[i]);
18060 savedDetails[i] = NULL;
18062 for(i=framePtr; i<MAX_MOVES; i++) {
18063 if(commentList[i]) free(commentList[i]);
18064 commentList[i] = NULL;
18066 framePtr = MAX_MOVES-1;
18071 LoadVariation (int index, char *text)
18072 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18073 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18074 int level = 0, move;
18076 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18077 // first find outermost bracketing variation
18078 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18079 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18080 if(*p == '{') wait = '}'; else
18081 if(*p == '[') wait = ']'; else
18082 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18083 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18085 if(*p == wait) wait = NULLCHAR; // closing ]} found
18088 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18089 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18090 end[1] = NULLCHAR; // clip off comment beyond variation
18091 ToNrEvent(currentMove-1);
18092 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18093 // kludge: use ParsePV() to append variation to game
18094 move = currentMove;
18095 ParsePV(start, TRUE, TRUE);
18096 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18097 ClearPremoveHighlights();
18099 ToNrEvent(currentMove+1);
18105 char *p, *q, buf[MSG_SIZ];
18106 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18107 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18108 ParseArgsFromString(buf);
18109 ActivateTheme(TRUE); // also redo colors
18113 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18116 q = appData.themeNames;
18117 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18118 if(appData.useBitmaps) {
18119 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18120 appData.liteBackTextureFile, appData.darkBackTextureFile,
18121 appData.liteBackTextureMode,
18122 appData.darkBackTextureMode );
18124 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18125 Col2Text(2), // lightSquareColor
18126 Col2Text(3) ); // darkSquareColor
18128 if(appData.useBorder) {
18129 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18132 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18134 if(appData.useFont) {
18135 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18136 appData.renderPiecesWithFont,
18137 appData.fontToPieceTable,
18138 Col2Text(9), // appData.fontBackColorWhite
18139 Col2Text(10) ); // appData.fontForeColorBlack
18141 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18142 appData.pieceDirectory);
18143 if(!appData.pieceDirectory[0])
18144 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18145 Col2Text(0), // whitePieceColor
18146 Col2Text(1) ); // blackPieceColor
18148 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18149 Col2Text(4), // highlightSquareColor
18150 Col2Text(5) ); // premoveHighlightColor
18151 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18152 if(insert != q) insert[-1] = NULLCHAR;
18153 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18156 ActivateTheme(FALSE);